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-rw-r--r--tools/testing/fault-injection/failcmd.sh2
-rwxr-xr-xtools/testing/ktest/config-bisect.pl3
-rwxr-xr-xtools/testing/ktest/ktest.pl124
-rw-r--r--tools/testing/ktest/sample.conf24
-rw-r--r--tools/testing/nvdimm/Kbuild10
-rw-r--r--tools/testing/nvdimm/dax-dev.c26
-rw-r--r--tools/testing/nvdimm/dax_pmem_compat_test.c8
-rw-r--r--tools/testing/nvdimm/dax_pmem_core_test.c8
-rw-r--r--tools/testing/nvdimm/dax_pmem_test.c8
-rw-r--r--tools/testing/nvdimm/pmem-dax.c10
-rw-r--r--tools/testing/nvdimm/test/iomap.c65
-rw-r--r--tools/testing/nvdimm/test/nfit.c30
-rw-r--r--tools/testing/nvdimm/test/nfit_test.h10
-rw-r--r--tools/testing/nvdimm/watermark.h3
-rw-r--r--tools/testing/radix-tree/benchmark.c10
-rw-r--r--tools/testing/radix-tree/idr-test.c56
-rw-r--r--tools/testing/radix-tree/iteration_check.c10
-rw-r--r--tools/testing/radix-tree/linux/rcupdate.h2
-rw-r--r--tools/testing/radix-tree/multiorder.c10
-rw-r--r--tools/testing/scatterlist/Makefile1
-rw-r--r--tools/testing/selftests/.gitignore1
-rw-r--r--tools/testing/selftests/Makefile104
-rw-r--r--tools/testing/selftests/android/Makefile1
-rw-r--r--tools/testing/selftests/android/ion/Makefile1
-rw-r--r--tools/testing/selftests/android/ion/ion.h11
-rw-r--r--tools/testing/selftests/android/ion/ionapp_export.c11
-rw-r--r--tools/testing/selftests/android/ion/ionapp_import.c11
-rw-r--r--tools/testing/selftests/bpf/.gitignore14
-rw-r--r--tools/testing/selftests/bpf/Makefile196
-rw-r--r--tools/testing/selftests/bpf/bpf_endian.h1
-rw-r--r--tools/testing/selftests/bpf/bpf_helpers.h116
-rw-r--r--tools/testing/selftests/bpf/bpf_util.h46
-rw-r--r--tools/testing/selftests/bpf/cgroup_helpers.c57
-rw-r--r--tools/testing/selftests/bpf/config11
-rw-r--r--tools/testing/selftests/bpf/flow_dissector_load.c45
-rw-r--r--tools/testing/selftests/bpf/flow_dissector_load.h67
-rw-r--r--tools/testing/selftests/bpf/map_tests/.gitignore1
-rw-r--r--tools/testing/selftests/bpf/map_tests/sk_storage_map.c629
-rw-r--r--tools/testing/selftests/bpf/prog_tests/.gitignore1
-rw-r--r--tools/testing/selftests/bpf/prog_tests/attach_probe.c166
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c249
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c100
-rw-r--r--tools/testing/selftests/bpf/prog_tests/flow_dissector.c270
-rw-r--r--tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c48
-rw-r--r--tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c139
-rw-r--r--tools/testing/selftests/bpf/prog_tests/global_data.c157
-rw-r--r--tools/testing/selftests/bpf/prog_tests/l4lb_all.c90
-rw-r--r--tools/testing/selftests/bpf/prog_tests/map_lock.c75
-rw-r--r--tools/testing/selftests/bpf/prog_tests/obj_name.c71
-rw-r--r--tools/testing/selftests/bpf/prog_tests/perf_buffer.c100
-rw-r--r--tools/testing/selftests/bpf/prog_tests/pkt_access.c29
-rw-r--r--tools/testing/selftests/bpf/prog_tests/pkt_md_access.c24
-rw-r--r--tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c49
-rw-r--r--tools/testing/selftests/bpf/prog_tests/queue_stack_map.c103
-rw-r--r--tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c42
-rw-r--r--tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c80
-rw-r--r--tools/testing/selftests/bpf/prog_tests/reference_tracking.c48
-rw-r--r--tools/testing/selftests/bpf/prog_tests/send_signal.c198
-rw-r--r--tools/testing/selftests/bpf/prog_tests/signal_pending.c48
-rw-r--r--tools/testing/selftests/bpf/prog_tests/skb_ctx.c89
-rw-r--r--tools/testing/selftests/bpf/prog_tests/spinlock.c29
-rw-r--r--tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c132
-rw-r--r--tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c163
-rw-r--r--tools/testing/selftests/bpf/prog_tests/stacktrace_map.c78
-rw-r--r--tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c68
-rw-r--r--tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c78
-rw-r--r--tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c82
-rw-r--r--tools/testing/selftests/bpf/prog_tests/tcp_estats.c19
-rw-r--r--tools/testing/selftests/bpf/prog_tests/tp_attach_query.c135
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp.c46
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c31
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_noinline.c82
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_flow.c (renamed from tools/testing/selftests/bpf/bpf_flow.c)110
-rw-r--r--tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c92
-rw-r--r--tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c35
-rw-r--r--tools/testing/selftests/bpf/progs/btf_dump_test_case_namespacing.c73
-rw-r--r--tools/testing/selftests/bpf/progs/btf_dump_test_case_ordering.c63
-rw-r--r--tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c75
-rw-r--r--tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c111
-rw-r--r--tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c229
-rw-r--r--tools/testing/selftests/bpf/progs/connect4_prog.c (renamed from tools/testing/selftests/bpf/connect4_prog.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/connect6_prog.c (renamed from tools/testing/selftests/bpf/connect6_prog.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/dev_cgroup.c (renamed from tools/testing/selftests/bpf/dev_cgroup.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c (renamed from tools/testing/selftests/bpf/get_cgroup_id_kern.c)26
-rw-r--r--tools/testing/selftests/bpf/progs/loop1.c28
-rw-r--r--tools/testing/selftests/bpf/progs/loop2.c28
-rw-r--r--tools/testing/selftests/bpf/progs/loop3.c22
-rw-r--r--tools/testing/selftests/bpf/progs/netcnt_prog.c (renamed from tools/testing/selftests/bpf/netcnt_prog.c)28
-rw-r--r--tools/testing/selftests/bpf/progs/pyperf.h263
-rw-r--r--tools/testing/selftests/bpf/progs/pyperf100.c4
-rw-r--r--tools/testing/selftests/bpf/progs/pyperf180.c4
-rw-r--r--tools/testing/selftests/bpf/progs/pyperf50.c4
-rw-r--r--tools/testing/selftests/bpf/progs/pyperf600.c9
-rw-r--r--tools/testing/selftests/bpf/progs/pyperf600_nounroll.c8
-rw-r--r--tools/testing/selftests/bpf/progs/sample_map_ret0.c (renamed from tools/testing/selftests/bpf/sample_map_ret0.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/sample_ret0.c (renamed from tools/testing/selftests/bpf/sample_ret0.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/sendmsg4_prog.c (renamed from tools/testing/selftests/bpf/sendmsg4_prog.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/sendmsg6_prog.c (renamed from tools/testing/selftests/bpf/sendmsg6_prog.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/socket_cookie_prog.c70
-rw-r--r--tools/testing/selftests/bpf/progs/sockmap_parse_prog.c (renamed from tools/testing/selftests/bpf/sockmap_parse_prog.c)8
-rw-r--r--tools/testing/selftests/bpf/progs/sockmap_tcp_msg_prog.c (renamed from tools/testing/selftests/bpf/sockmap_tcp_msg_prog.c)9
-rw-r--r--tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c65
-rw-r--r--tools/testing/selftests/bpf/progs/sockopt_multi.c71
-rw-r--r--tools/testing/selftests/bpf/progs/sockopt_sk.c111
-rw-r--r--tools/testing/selftests/bpf/progs/strobemeta.c10
-rw-r--r--tools/testing/selftests/bpf/progs/strobemeta.h530
-rw-r--r--tools/testing/selftests/bpf/progs/strobemeta_nounroll1.c9
-rw-r--r--tools/testing/selftests/bpf/progs/strobemeta_nounroll2.c9
-rw-r--r--tools/testing/selftests/bpf/progs/tcp_rtt.c61
-rw-r--r--tools/testing/selftests/bpf/progs/test_adjust_tail.c (renamed from tools/testing/selftests/bpf/test_adjust_tail.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_attach_probe.c52
-rw-r--r--tools/testing/selftests/bpf/progs/test_btf_haskv.c (renamed from tools/testing/selftests/bpf/test_btf_haskv.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_btf_newkv.c70
-rw-r--r--tools/testing/selftests/bpf/progs/test_btf_nokv.c (renamed from tools/testing/selftests/bpf/test_btf_nokv.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c (renamed from tools/testing/selftests/bpf/test_get_stack_rawtp.c)36
-rw-r--r--tools/testing/selftests/bpf/progs/test_global_data.c106
-rw-r--r--tools/testing/selftests/bpf/progs/test_jhash.h71
-rw-r--r--tools/testing/selftests/bpf/progs/test_l4lb.c (renamed from tools/testing/selftests/bpf/test_l4lb.c)68
-rw-r--r--tools/testing/selftests/bpf/progs/test_l4lb_noinline.c (renamed from tools/testing/selftests/bpf/test_l4lb_noinline.c)68
-rw-r--r--tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c (renamed from tools/testing/selftests/bpf/test_lirc_mode2_kern.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c85
-rw-r--r--tools/testing/selftests/bpf/progs/test_lwt_seg6local.c (renamed from tools/testing/selftests/bpf/test_lwt_seg6local.c)19
-rw-r--r--tools/testing/selftests/bpf/progs/test_map_in_map.c (renamed from tools/testing/selftests/bpf/test_map_in_map.c)34
-rw-r--r--tools/testing/selftests/bpf/progs/test_map_lock.c62
-rw-r--r--tools/testing/selftests/bpf/progs/test_obj_id.c (renamed from tools/testing/selftests/bpf/test_obj_id.c)17
-rw-r--r--tools/testing/selftests/bpf/progs/test_perf_buffer.c25
-rw-r--r--tools/testing/selftests/bpf/progs/test_pkt_access.c (renamed from tools/testing/selftests/bpf/test_pkt_access.c)5
-rw-r--r--tools/testing/selftests/bpf/progs/test_pkt_md_access.c (renamed from tools/testing/selftests/bpf/test_pkt_md_access.c)5
-rw-r--r--tools/testing/selftests/bpf/progs/test_queue_map.c (renamed from tools/testing/selftests/bpf/test_queue_map.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_seg6_loop.c262
-rw-r--r--tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c (renamed from tools/testing/selftests/bpf/test_select_reuseport_kern.c)68
-rw-r--r--tools/testing/selftests/bpf/progs/test_send_signal_kern.c47
-rw-r--r--tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c (renamed from tools/testing/selftests/bpf/test_sk_lookup_kern.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c (renamed from tools/testing/selftests/bpf/test_skb_cgroup_id_kern.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_skb_ctx.c21
-rw-r--r--tools/testing/selftests/bpf/progs/test_sock_fields_kern.c255
-rw-r--r--tools/testing/selftests/bpf/progs/test_sockhash_kern.c (renamed from tools/testing/selftests/bpf/test_sockhash_kern.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_sockmap_kern.c (renamed from tools/testing/selftests/bpf/test_sockmap_kern.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_spin_lock.c101
-rw-r--r--tools/testing/selftests/bpf/progs/test_stack_map.c (renamed from tools/testing/selftests/bpf/test_stack_map.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c (renamed from tools/testing/selftests/bpf/test_stacktrace_build_id.c)55
-rw-r--r--tools/testing/selftests/bpf/progs/test_stacktrace_map.c (renamed from tools/testing/selftests/bpf/test_stacktrace_map.c)50
-rw-r--r--tools/testing/selftests/bpf/progs/test_sysctl_loop1.c71
-rw-r--r--tools/testing/selftests/bpf/progs/test_sysctl_loop2.c72
-rw-r--r--tools/testing/selftests/bpf/progs/test_sysctl_prog.c73
-rw-r--r--tools/testing/selftests/bpf/progs/test_tc_edt.c109
-rw-r--r--tools/testing/selftests/bpf/progs/test_tc_tunnel.c536
-rw-r--r--tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c129
-rw-r--r--tools/testing/selftests/bpf/progs/test_tcp_estats.c (renamed from tools/testing/selftests/bpf/test_tcp_estats.c)12
-rw-r--r--tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c (renamed from tools/testing/selftests/bpf/test_tcpbpf_kern.c)26
-rw-r--r--tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c (renamed from tools/testing/selftests/bpf/test_tcpnotify_kern.c)26
-rw-r--r--tools/testing/selftests/bpf/progs/test_tracepoint.c (renamed from tools/testing/selftests/bpf/test_tracepoint.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_tunnel_kern.c (renamed from tools/testing/selftests/bpf/test_tunnel_kern.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_verif_scale1.c30
-rw-r--r--tools/testing/selftests/bpf/progs/test_verif_scale2.c30
-rw-r--r--tools/testing/selftests/bpf/progs/test_verif_scale3.c30
-rw-r--r--tools/testing/selftests/bpf/progs/test_xdp.c (renamed from tools/testing/selftests/bpf/test_xdp.c)26
-rw-r--r--tools/testing/selftests/bpf/progs/test_xdp_loop.c231
-rw-r--r--tools/testing/selftests/bpf/progs/test_xdp_meta.c (renamed from tools/testing/selftests/bpf/test_xdp_meta.c)0
-rw-r--r--tools/testing/selftests/bpf/progs/test_xdp_noinline.c (renamed from tools/testing/selftests/bpf/test_xdp_noinline.c)96
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-rw-r--r--tools/testing/selftests/bpf/progs/xdp_tx.c12
-rw-r--r--tools/testing/selftests/bpf/progs/xdping_kern.c184
-rw-r--r--tools/testing/selftests/bpf/socket_cookie_prog.c60
-rw-r--r--tools/testing/selftests/bpf/sockmap_verdict_prog.c73
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-rw-r--r--tools/testing/selftests/bpf/test_align.c16
-rw-r--r--tools/testing/selftests/bpf/test_btf.c2228
-rw-r--r--tools/testing/selftests/bpf/test_btf.h69
-rw-r--r--tools/testing/selftests/bpf/test_btf_dump.c143
-rw-r--r--tools/testing/selftests/bpf/test_cgroup_attach.c571
-rw-r--r--tools/testing/selftests/bpf/test_dev_cgroup.c5
-rw-r--r--tools/testing/selftests/bpf/test_flow_dissector.c2
-rw-r--r--tools/testing/selftests/bpf/test_hashmap.c382
-rw-r--r--tools/testing/selftests/bpf/test_iptunnel_common.h5
-rw-r--r--tools/testing/selftests/bpf/test_libbpf_open.c34
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-rw-r--r--tools/testing/selftests/bpf/test_lru_map.c293
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-rw-r--r--tools/testing/selftests/bpf/verifier/array_access.c378
-rw-r--r--tools/testing/selftests/bpf/verifier/basic.c23
-rw-r--r--tools/testing/selftests/bpf/verifier/basic_call.c50
-rw-r--r--tools/testing/selftests/bpf/verifier/basic_instr.c219
-rw-r--r--tools/testing/selftests/bpf/verifier/basic_stack.c64
-rw-r--r--tools/testing/selftests/bpf/verifier/basic_stx_ldx.c45
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-rw-r--r--tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c72
-rw-r--r--tools/testing/selftests/bpf/verifier/cgroup_skb.c197
-rw-r--r--tools/testing/selftests/bpf/verifier/cgroup_storage.c220
-rw-r--r--tools/testing/selftests/bpf/verifier/const_or.c60
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-rw-r--r--tools/testing/selftests/tpm2/tpm2.py697
-rw-r--r--tools/testing/selftests/tpm2/tpm2_tests.py290
-rw-r--r--tools/testing/selftests/user/Makefile1
-rw-r--r--tools/testing/selftests/vDSO/vdso_standalone_test_x86.c2
-rw-r--r--tools/testing/selftests/vDSO/vdso_test.c2
-rw-r--r--tools/testing/selftests/vm/Makefile6
-rw-r--r--tools/testing/selftests/vm/map_hugetlb.c29
-rwxr-xr-xtools/testing/selftests/vm/run_vmtests16
-rwxr-xr-xtools/testing/selftests/vm/test_vmalloc.sh176
-rw-r--r--tools/testing/selftests/vm/userfaultfd.c6
-rw-r--r--tools/testing/selftests/vm/va_128TBswitch.c10
-rw-r--r--tools/testing/selftests/vm/virtual_address_range.c2
-rw-r--r--tools/testing/selftests/x86/Makefile5
-rwxr-xr-xtools/testing/selftests/x86/check_cc.sh2
-rw-r--r--tools/testing/selftests/x86/check_initial_reg_state.c10
-rw-r--r--tools/testing/selftests/x86/entry_from_vm86.c3
-rw-r--r--tools/testing/selftests/x86/fsgsbase.c225
-rw-r--r--tools/testing/selftests/x86/mpx-dig.c2
-rw-r--r--tools/testing/selftests/x86/mpx-mini-test.c5
-rw-r--r--tools/testing/selftests/x86/protection_keys.c2
-rw-r--r--tools/testing/selftests/x86/sigreturn.c10
-rw-r--r--tools/testing/selftests/x86/single_step_syscall.c10
-rw-r--r--tools/testing/selftests/x86/syscall_arg_fault.c132
-rw-r--r--tools/testing/selftests/x86/syscall_nt.c10
-rw-r--r--tools/testing/selftests/x86/sysret_rip.c10
-rw-r--r--tools/testing/selftests/x86/sysret_ss_attrs.c10
-rw-r--r--tools/testing/selftests/x86/test_mremap_vdso.c10
-rw-r--r--tools/testing/selftests/x86/test_syscall_vdso.c10
-rw-r--r--tools/testing/selftests/x86/test_vsyscall.c120
-rw-r--r--tools/testing/selftests/x86/thunks.S10
-rw-r--r--tools/testing/selftests/x86/thunks_32.S10
-rw-r--r--tools/testing/selftests/x86/trivial_32bit_program.c2
-rw-r--r--tools/testing/selftests/x86/trivial_64bit_program.c2
-rw-r--r--tools/testing/selftests/x86/unwind_vdso.c10
-rw-r--r--tools/testing/selftests/x86/vdso_restorer.c10
-rw-r--r--tools/testing/selftests/zram/README2
-rwxr-xr-xtools/testing/selftests/zram/zram01.sh11
-rwxr-xr-xtools/testing/selftests/zram/zram02.sh11
-rwxr-xr-xtools/testing/selftests/zram/zram_lib.sh11
-rw-r--r--tools/testing/vsock/Makefile1
-rw-r--r--tools/testing/vsock/control.c6
-rw-r--r--tools/testing/vsock/timeout.c6
-rw-r--r--tools/testing/vsock/vsock_diag_test.c6
817 files changed, 65652 insertions, 23462 deletions
diff --git a/tools/testing/fault-injection/failcmd.sh b/tools/testing/fault-injection/failcmd.sh
index 29a6c63c5a15..78dac34264be 100644
--- a/tools/testing/fault-injection/failcmd.sh
+++ b/tools/testing/fault-injection/failcmd.sh
@@ -42,7 +42,7 @@ OPTIONS
--interval=value, --space=value, --verbose=value, --task-filter=value,
--stacktrace-depth=value, --require-start=value, --require-end=value,
--reject-start=value, --reject-end=value, --ignore-gfp-wait=value
- See Documentation/fault-injection/fault-injection.txt for more
+ See Documentation/fault-injection/fault-injection.rst for more
information
failslab options:
diff --git a/tools/testing/ktest/config-bisect.pl b/tools/testing/ktest/config-bisect.pl
index b28feea7c363..72525426654b 100755
--- a/tools/testing/ktest/config-bisect.pl
+++ b/tools/testing/ktest/config-bisect.pl
@@ -1,10 +1,9 @@
#!/usr/bin/perl -w
+# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright 2015 - Steven Rostedt, Red Hat Inc.
# Copyright 2017 - Steven Rostedt, VMware, Inc.
#
-# Licensed under the terms of the GNU GPL License version 2
-#
# usage:
# config-bisect.pl [options] good-config bad-config [good|bad]
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 87af8a68ab25..220d04f958a6 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1,7 +1,7 @@
#!/usr/bin/perl -w
+# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright 2010 - Steven Rostedt <srostedt@redhat.com>, Red Hat Inc.
-# Licensed under the terms of the GNU GPL License version 2
#
use strict;
@@ -58,11 +58,13 @@ my %default = (
"SCP_TO_TARGET" => "scp \$SRC_FILE \$SSH_USER\@\$MACHINE:\$DST_FILE",
"SCP_TO_TARGET_INSTALL" => "\${SCP_TO_TARGET}",
"REBOOT" => "ssh \$SSH_USER\@\$MACHINE reboot",
+ "REBOOT_RETURN_CODE" => 255,
"STOP_AFTER_SUCCESS" => 10,
"STOP_AFTER_FAILURE" => 60,
"STOP_TEST_AFTER" => 600,
"MAX_MONITOR_WAIT" => 1800,
"GRUB_REBOOT" => "grub2-reboot",
+ "GRUB_BLS_GET" => "grubby --info=ALL",
"SYSLINUX" => "extlinux",
"SYSLINUX_PATH" => "/boot/extlinux",
"CONNECT_TIMEOUT" => 25,
@@ -105,6 +107,7 @@ my $reboot_type;
my $reboot_script;
my $power_cycle;
my $reboot;
+my $reboot_return_code;
my $reboot_on_error;
my $switch_to_good;
my $switch_to_test;
@@ -123,6 +126,7 @@ my $last_grub_menu;
my $grub_file;
my $grub_number;
my $grub_reboot;
+my $grub_bls_get;
my $syslinux;
my $syslinux_path;
my $syslinux_label;
@@ -278,6 +282,7 @@ my %option_map = (
"POST_BUILD_DIE" => \$post_build_die,
"POWER_CYCLE" => \$power_cycle,
"REBOOT" => \$reboot,
+ "REBOOT_RETURN_CODE" => \$reboot_return_code,
"BUILD_NOCLEAN" => \$noclean,
"MIN_CONFIG" => \$minconfig,
"OUTPUT_MIN_CONFIG" => \$output_minconfig,
@@ -292,6 +297,7 @@ my %option_map = (
"GRUB_MENU" => \$grub_menu,
"GRUB_FILE" => \$grub_file,
"GRUB_REBOOT" => \$grub_reboot,
+ "GRUB_BLS_GET" => \$grub_bls_get,
"SYSLINUX" => \$syslinux,
"SYSLINUX_PATH" => \$syslinux_path,
"SYSLINUX_LABEL" => \$syslinux_label,
@@ -437,7 +443,7 @@ EOF
;
$config_help{"REBOOT_TYPE"} = << "EOF"
Way to reboot the box to the test kernel.
- Only valid options so far are "grub", "grub2", "syslinux", and "script".
+ Only valid options so far are "grub", "grub2", "grub2bls", "syslinux", and "script".
If you specify grub, it will assume grub version 1
and will search in /boot/grub/menu.lst for the title \$GRUB_MENU
@@ -451,6 +457,8 @@ $config_help{"REBOOT_TYPE"} = << "EOF"
If you specify grub2, then you also need to specify both \$GRUB_MENU
and \$GRUB_FILE.
+ If you specify grub2bls, then you also need to specify \$GRUB_MENU.
+
If you specify syslinux, then you may use SYSLINUX to define the syslinux
command (defaults to extlinux), and SYSLINUX_PATH to specify the path to
the syslinux install (defaults to /boot/extlinux). But you have to specify
@@ -476,6 +484,9 @@ $config_help{"GRUB_MENU"} = << "EOF"
menu must be a non-nested menu. Add the quotes used in the menu
to guarantee your selection, as the first menuentry with the content
of \$GRUB_MENU that is found will be used.
+
+ For grub2bls, \$GRUB_MENU is searched on the result of \$GRUB_BLS_GET
+ command for the lines that begin with "title".
EOF
;
$config_help{"GRUB_FILE"} = << "EOF"
@@ -692,7 +703,7 @@ sub get_mandatory_configs {
}
}
- if ($rtype eq "grub") {
+ if (($rtype eq "grub") or ($rtype eq "grub2bls")) {
get_mandatory_config("GRUB_MENU");
}
@@ -1437,16 +1448,27 @@ sub do_not_reboot {
my $in_die = 0;
+sub get_test_name() {
+ my $name;
+
+ if (defined($test_name)) {
+ $name = "$test_name:$test_type";
+ } else {
+ $name = $test_type;
+ }
+ return $name;
+}
+
sub dodie {
# avoid recusion
return if ($in_die);
$in_die = 1;
- doprint "CRITICAL FAILURE... ", @_, "\n";
-
my $i = $iteration;
+ doprint "CRITICAL FAILURE... [TEST $i] ", @_, "\n";
+
if ($reboot_on_error && !do_not_reboot) {
doprint "REBOOTING\n";
@@ -1462,7 +1484,8 @@ sub dodie {
}
if ($email_on_error) {
- send_email("KTEST: critical failure for your [$test_type] test",
+ my $name = get_test_name;
+ send_email("KTEST: critical failure for test $i [$name]",
"Your test started at $script_start_time has failed with:\n@_\n");
}
@@ -1737,6 +1760,7 @@ sub run_command {
my $dord = 0;
my $dostdout = 0;
my $pid;
+ my $command_orig = $command;
$command =~ s/\$SSH_USER/$ssh_user/g;
$command =~ s/\$MACHINE/$machine/g;
@@ -1791,6 +1815,11 @@ sub run_command {
# shift 8 for real exit status
$run_command_status = $? >> 8;
+ if ($command_orig eq $default{REBOOT} &&
+ $run_command_status == $reboot_return_code) {
+ $run_command_status = 0;
+ }
+
close(CMD);
close(LOG) if ($dolog);
close(RD) if ($dord);
@@ -1850,35 +1879,37 @@ sub run_scp_mod {
return run_scp($src, $dst, $cp_scp);
}
-sub get_grub2_index {
+sub _get_grub_index {
+
+ my ($command, $target, $skip) = @_;
return if (defined($grub_number) && defined($last_grub_menu) &&
$last_grub_menu eq $grub_menu && defined($last_machine) &&
$last_machine eq $machine);
- doprint "Find grub2 menu ... ";
+ doprint "Find $reboot_type menu ... ";
$grub_number = -1;
my $ssh_grub = $ssh_exec;
- $ssh_grub =~ s,\$SSH_COMMAND,cat $grub_file,g;
+ $ssh_grub =~ s,\$SSH_COMMAND,$command,g;
open(IN, "$ssh_grub |")
- or dodie "unable to get $grub_file";
+ or dodie "unable to execute $command";
my $found = 0;
while (<IN>) {
- if (/^menuentry.*$grub_menu/) {
+ if (/$target/) {
$grub_number++;
$found = 1;
last;
- } elsif (/^menuentry\s|^submenu\s/) {
+ } elsif (/$skip/) {
$grub_number++;
}
}
close(IN);
- dodie "Could not find '$grub_menu' in $grub_file on $machine"
+ dodie "Could not find '$grub_menu' through $command on $machine"
if (!$found);
doprint "$grub_number\n";
$last_grub_menu = $grub_menu;
@@ -1887,45 +1918,34 @@ sub get_grub2_index {
sub get_grub_index {
- if ($reboot_type eq "grub2") {
- get_grub2_index;
- return;
- }
+ my $command;
+ my $target;
+ my $skip;
+ my $grub_menu_qt;
- if ($reboot_type ne "grub") {
+ if ($reboot_type !~ /^grub/) {
return;
}
- return if (defined($grub_number) && defined($last_grub_menu) &&
- $last_grub_menu eq $grub_menu && defined($last_machine) &&
- $last_machine eq $machine);
- doprint "Find grub menu ... ";
- $grub_number = -1;
-
- my $ssh_grub = $ssh_exec;
- $ssh_grub =~ s,\$SSH_COMMAND,cat /boot/grub/menu.lst,g;
+ $grub_menu_qt = quotemeta($grub_menu);
- open(IN, "$ssh_grub |")
- or dodie "unable to get menu.lst";
-
- my $found = 0;
-
- while (<IN>) {
- if (/^\s*title\s+$grub_menu\s*$/) {
- $grub_number++;
- $found = 1;
- last;
- } elsif (/^\s*title\s/) {
- $grub_number++;
- }
+ if ($reboot_type eq "grub") {
+ $command = "cat /boot/grub/menu.lst";
+ $target = '^\s*title\s+' . $grub_menu_qt . '\s*$';
+ $skip = '^\s*title\s';
+ } elsif ($reboot_type eq "grub2") {
+ $command = "cat $grub_file";
+ $target = '^menuentry.*' . $grub_menu_qt;
+ $skip = '^menuentry\s|^submenu\s';
+ } elsif ($reboot_type eq "grub2bls") {
+ $command = $grub_bls_get;
+ $target = '^title=.*' . $grub_menu_qt;
+ $skip = '^title=';
+ } else {
+ return;
}
- close(IN);
- dodie "Could not find '$grub_menu' in /boot/grub/menu on $machine"
- if (!$found);
- doprint "$grub_number\n";
- $last_grub_menu = $grub_menu;
- $last_machine = $machine;
+ _get_grub_index($command, $target, $skip);
}
sub wait_for_input
@@ -4193,7 +4213,8 @@ sub send_email {
sub cancel_test {
if ($email_when_canceled) {
- send_email("KTEST: Your [$test_type] test was cancelled",
+ my $name = get_test_name;
+ send_email("KTEST: Your [$name] test was cancelled",
"Your test started at $script_start_time was cancelled: sig int");
}
die "\nCaught Sig Int, test interrupted: $!\n"
@@ -4247,7 +4268,8 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
run_command $pre_ktest;
}
if ($email_when_started) {
- send_email("KTEST: Your [$test_type] test was started",
+ my $name = get_test_name;
+ send_email("KTEST: Your [$name] test was started",
"Your test was started on $script_start_time");
}
}
@@ -4278,7 +4300,7 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
if (!$buildonly) {
$target = "$ssh_user\@$machine";
- if ($reboot_type eq "grub") {
+ if (($reboot_type eq "grub") or ($reboot_type eq "grub2bls")) {
dodie "GRUB_MENU not defined" if (!defined($grub_menu));
} elsif ($reboot_type eq "grub2") {
dodie "GRUB_MENU not defined" if (!defined($grub_menu));
@@ -4398,7 +4420,9 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
}
if (defined($final_post_ktest)) {
- run_command $final_post_ktest;
+
+ my $cp_final_post_ktest = eval_kernel_version $final_post_ktest;
+ run_command $cp_final_post_ktest;
}
if ($opt{"POWEROFF_ON_SUCCESS"}) {
@@ -4414,7 +4438,7 @@ if ($opt{"POWEROFF_ON_SUCCESS"}) {
doprint "\n $successes of $opt{NUM_TESTS} tests were successful\n\n";
if ($email_when_finished) {
- send_email("KTEST: Your [$test_type] test has finished!",
+ send_email("KTEST: Your test has finished!",
"$successes of $opt{NUM_TESTS} tests started at $script_start_time were successful!");
}
exit 0;
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index 6ca6ca0ce695..c3bc933d437b 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -349,13 +349,13 @@
# option to boot to with GRUB_REBOOT
#GRUB_FILE = /boot/grub2/grub.cfg
-# The tool for REBOOT_TYPE = grub2 to set the next reboot kernel
+# The tool for REBOOT_TYPE = grub2 or grub2bls to set the next reboot kernel
# to boot into (one shot mode).
# (default grub2_reboot)
#GRUB_REBOOT = grub2_reboot
# The grub title name for the test kernel to boot
-# (Only mandatory if REBOOT_TYPE = grub or grub2)
+# (Only mandatory if REBOOT_TYPE = grub or grub2 or grub2bls)
#
# Note, ktest.pl will not update the grub menu.lst, you need to
# manually add an option for the test. ktest.pl will search
@@ -374,6 +374,10 @@
# do a: GRUB_MENU = 'Test Kernel'
# For customizing, add your entry in /etc/grub.d/40_custom.
#
+# For grub2bls, a search of "title"s are done. The menu is found
+# by searching for the contents of GRUB_MENU in the line that starts
+# with "title".
+#
#GRUB_MENU = Test Kernel
# For REBOOT_TYPE = syslinux, the name of the syslinux executable
@@ -479,6 +483,11 @@
# default (undefined)
#POST_KTEST = ${SSH} ~/dismantle_test
+# If you want to remove the kernel entry in Boot Loader Specification (BLS)
+# environment, use kernel-install command.
+# Here's the example:
+#POST_KTEST = ssh root@Test "/usr/bin/kernel-install remove $KERNEL_VERSION"
+
# The default test type (default test)
# The test types may be:
# build - only build the kernel, do nothing else
@@ -530,6 +539,11 @@
# or on some systems:
#POST_INSTALL = ssh user@target /sbin/dracut -f /boot/initramfs-test.img $KERNEL_VERSION
+# If you want to add the kernel entry in Boot Loader Specification (BLS)
+# environment, use kernel-install command.
+# Here's the example:
+#POST_INSTALL = ssh root@Test "/usr/bin/kernel-install add $KERNEL_VERSION /boot/vmlinuz-$KERNEL_VERSION"
+
# If for some reason you just want to boot the kernel and you do not
# want the test to install anything new. For example, you may just want
# to boot test the same kernel over and over and do not want to go through
@@ -593,6 +607,8 @@
# For REBOOT_TYPE = grub2, you must define both GRUB_MENU and
# GRUB_FILE.
#
+# For REBOOT_TYPE = grub2bls, you must define GRUB_MENU.
+#
# For REBOOT_TYPE = syslinux, you must define SYSLINUX_LABEL, and
# perhaps modify SYSLINUX (default extlinux) and SYSLINUX_PATH
# (default /boot/extlinux)
@@ -887,6 +903,10 @@
# The variables SSH_USER and MACHINE are defined.
#REBOOT = ssh $SSH_USER@$MACHINE reboot
+# The return code of REBOOT
+# (default 255)
+#REBOOT_RETURN_CODE = 255
+
# The way triple faults are detected is by testing the kernel
# banner. If the kernel banner for the kernel we are testing is
# found, and then later a kernel banner for another kernel version
diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild
index 10ddf223055b..c4a9196d794c 100644
--- a/tools/testing/nvdimm/Kbuild
+++ b/tools/testing/nvdimm/Kbuild
@@ -35,6 +35,8 @@ obj-$(CONFIG_DAX) += dax.o
endif
obj-$(CONFIG_DEV_DAX) += device_dax.o
obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem.o
+obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem_core.o
+obj-$(CONFIG_DEV_DAX_PMEM_COMPAT) += dax_pmem_compat.o
nfit-y := $(ACPI_SRC)/core.o
nfit-y += $(ACPI_SRC)/intel.o
@@ -57,6 +59,7 @@ nd_e820-y := $(NVDIMM_SRC)/e820.o
nd_e820-y += config_check.o
dax-y := $(DAX_SRC)/super.o
+dax-y += $(DAX_SRC)/bus.o
dax-y += config_check.o
device_dax-y := $(DAX_SRC)/device.o
@@ -64,7 +67,12 @@ device_dax-y += dax-dev.o
device_dax-y += device_dax_test.o
device_dax-y += config_check.o
-dax_pmem-y := $(DAX_SRC)/pmem.o
+dax_pmem-y := $(DAX_SRC)/pmem/pmem.o
+dax_pmem-y += dax_pmem_test.o
+dax_pmem_core-y := $(DAX_SRC)/pmem/core.o
+dax_pmem_core-y += dax_pmem_core_test.o
+dax_pmem_compat-y := $(DAX_SRC)/pmem/compat.o
+dax_pmem_compat-y += dax_pmem_compat_test.o
dax_pmem-y += config_check.o
libnvdimm-y := $(NVDIMM_SRC)/core.o
diff --git a/tools/testing/nvdimm/dax-dev.c b/tools/testing/nvdimm/dax-dev.c
index 36ee3d8797c3..7e5d979e73cb 100644
--- a/tools/testing/nvdimm/dax-dev.c
+++ b/tools/testing/nvdimm/dax-dev.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include "test/nfit_test.h"
#include <linux/mm.h>
@@ -17,20 +9,11 @@
phys_addr_t dax_pgoff_to_phys(struct dev_dax *dev_dax, pgoff_t pgoff,
unsigned long size)
{
- struct resource *res;
+ struct resource *res = &dev_dax->region->res;
phys_addr_t addr;
- int i;
- for (i = 0; i < dev_dax->num_resources; i++) {
- res = &dev_dax->res[i];
- addr = pgoff * PAGE_SIZE + res->start;
- if (addr >= res->start && addr <= res->end)
- break;
- pgoff -= PHYS_PFN(resource_size(res));
- }
-
- if (i < dev_dax->num_resources) {
- res = &dev_dax->res[i];
+ addr = pgoff * PAGE_SIZE + res->start;
+ if (addr >= res->start && addr <= res->end) {
if (addr + size - 1 <= res->end) {
if (get_nfit_res(addr)) {
struct page *page;
@@ -44,6 +27,5 @@ phys_addr_t dax_pgoff_to_phys(struct dev_dax *dev_dax, pgoff_t pgoff,
return addr;
}
}
-
return -1;
}
diff --git a/tools/testing/nvdimm/dax_pmem_compat_test.c b/tools/testing/nvdimm/dax_pmem_compat_test.c
new file mode 100644
index 000000000000..7cd1877f3765
--- /dev/null
+++ b/tools/testing/nvdimm/dax_pmem_compat_test.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright(c) 2019 Intel Corporation. All rights reserved.
+
+#include <linux/module.h>
+#include <linux/printk.h>
+#include "watermark.h"
+
+nfit_test_watermark(dax_pmem_compat);
diff --git a/tools/testing/nvdimm/dax_pmem_core_test.c b/tools/testing/nvdimm/dax_pmem_core_test.c
new file mode 100644
index 000000000000..a4249cdbeec1
--- /dev/null
+++ b/tools/testing/nvdimm/dax_pmem_core_test.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright(c) 2019 Intel Corporation. All rights reserved.
+
+#include <linux/module.h>
+#include <linux/printk.h>
+#include "watermark.h"
+
+nfit_test_watermark(dax_pmem_core);
diff --git a/tools/testing/nvdimm/dax_pmem_test.c b/tools/testing/nvdimm/dax_pmem_test.c
new file mode 100644
index 000000000000..fd4c94a5aa02
--- /dev/null
+++ b/tools/testing/nvdimm/dax_pmem_test.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright(c) 2019 Intel Corporation. All rights reserved.
+
+#include <linux/module.h>
+#include <linux/printk.h>
+#include "watermark.h"
+
+nfit_test_watermark(dax_pmem);
diff --git a/tools/testing/nvdimm/pmem-dax.c b/tools/testing/nvdimm/pmem-dax.c
index 2e7fd8227969..af19c85558e7 100644
--- a/tools/testing/nvdimm/pmem-dax.c
+++ b/tools/testing/nvdimm/pmem-dax.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2014-2016, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include "test/nfit_test.h"
#include <linux/blkdev.h>
diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c
index c6635fee27d8..cd040b5abffe 100644
--- a/tools/testing/nvdimm/test/iomap.c
+++ b/tools/testing/nvdimm/test/iomap.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#include <linux/memremap.h>
#include <linux/rculist.h>
@@ -108,23 +100,60 @@ static void nfit_test_kill(void *_pgmap)
{
struct dev_pagemap *pgmap = _pgmap;
- pgmap->kill(pgmap->ref);
+ WARN_ON(!pgmap || !pgmap->ref);
+
+ if (pgmap->ops && pgmap->ops->kill)
+ pgmap->ops->kill(pgmap);
+ else
+ percpu_ref_kill(pgmap->ref);
+
+ if (pgmap->ops && pgmap->ops->cleanup) {
+ pgmap->ops->cleanup(pgmap);
+ } else {
+ wait_for_completion(&pgmap->done);
+ percpu_ref_exit(pgmap->ref);
+ }
+}
+
+static void dev_pagemap_percpu_release(struct percpu_ref *ref)
+{
+ struct dev_pagemap *pgmap =
+ container_of(ref, struct dev_pagemap, internal_ref);
+
+ complete(&pgmap->done);
}
void *__wrap_devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap)
{
+ int error;
resource_size_t offset = pgmap->res.start;
struct nfit_test_resource *nfit_res = get_nfit_res(offset);
- if (nfit_res) {
- int rc;
-
- rc = devm_add_action_or_reset(dev, nfit_test_kill, pgmap);
- if (rc)
- return ERR_PTR(rc);
- return nfit_res->buf + offset - nfit_res->res.start;
+ if (!nfit_res)
+ return devm_memremap_pages(dev, pgmap);
+
+ pgmap->dev = dev;
+ if (!pgmap->ref) {
+ if (pgmap->ops && (pgmap->ops->kill || pgmap->ops->cleanup))
+ return ERR_PTR(-EINVAL);
+
+ init_completion(&pgmap->done);
+ error = percpu_ref_init(&pgmap->internal_ref,
+ dev_pagemap_percpu_release, 0, GFP_KERNEL);
+ if (error)
+ return ERR_PTR(error);
+ pgmap->ref = &pgmap->internal_ref;
+ } else {
+ if (!pgmap->ops || !pgmap->ops->kill || !pgmap->ops->cleanup) {
+ WARN(1, "Missing reference count teardown definition\n");
+ return ERR_PTR(-EINVAL);
+ }
}
- return devm_memremap_pages(dev, pgmap);
+
+ error = devm_add_action_or_reset(dev, nfit_test_kill, pgmap);
+ if (error)
+ return ERR_PTR(error);
+ return nfit_res->buf + offset - nfit_res->res.start;
}
EXPORT_SYMBOL_GPL(__wrap_devm_memremap_pages);
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index b579f962451d..507e6f4cbb53 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/platform_device.h>
@@ -146,6 +138,7 @@ static int dimm_fail_cmd_code[ARRAY_SIZE(handle)];
struct nfit_test_sec {
u8 state;
u8 ext_state;
+ u8 old_state;
u8 passphrase[32];
u8 master_passphrase[32];
u64 overwrite_end_time;
@@ -225,6 +218,8 @@ static struct workqueue_struct *nfit_wq;
static struct gen_pool *nfit_pool;
+static const char zero_key[NVDIMM_PASSPHRASE_LEN];
+
static struct nfit_test *to_nfit_test(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -1059,8 +1054,7 @@ static int nd_intel_test_cmd_secure_erase(struct nfit_test *t,
struct device *dev = &t->pdev.dev;
struct nfit_test_sec *sec = &dimm_sec_info[dimm];
- if (!(sec->state & ND_INTEL_SEC_STATE_ENABLED) ||
- (sec->state & ND_INTEL_SEC_STATE_FROZEN)) {
+ if (sec->state & ND_INTEL_SEC_STATE_FROZEN) {
nd_cmd->status = ND_INTEL_STATUS_INVALID_STATE;
dev_dbg(dev, "secure erase: wrong security state\n");
} else if (memcmp(nd_cmd->passphrase, sec->passphrase,
@@ -1068,6 +1062,12 @@ static int nd_intel_test_cmd_secure_erase(struct nfit_test *t,
nd_cmd->status = ND_INTEL_STATUS_INVALID_PASS;
dev_dbg(dev, "secure erase: wrong passphrase\n");
} else {
+ if (!(sec->state & ND_INTEL_SEC_STATE_ENABLED)
+ && (memcmp(nd_cmd->passphrase, zero_key,
+ ND_INTEL_PASSPHRASE_SIZE) != 0)) {
+ dev_dbg(dev, "invalid zero key\n");
+ return 0;
+ }
memset(sec->passphrase, 0, ND_INTEL_PASSPHRASE_SIZE);
memset(sec->master_passphrase, 0, ND_INTEL_PASSPHRASE_SIZE);
sec->state = 0;
@@ -1093,7 +1093,7 @@ static int nd_intel_test_cmd_overwrite(struct nfit_test *t,
return 0;
}
- memset(sec->passphrase, 0, ND_INTEL_PASSPHRASE_SIZE);
+ sec->old_state = sec->state;
sec->state = ND_INTEL_SEC_STATE_OVERWRITE;
dev_dbg(dev, "overwrite progressing.\n");
sec->overwrite_end_time = get_jiffies_64() + 5 * HZ;
@@ -1115,7 +1115,8 @@ static int nd_intel_test_cmd_query_overwrite(struct nfit_test *t,
if (time_is_before_jiffies64(sec->overwrite_end_time)) {
sec->overwrite_end_time = 0;
- sec->state = 0;
+ sec->state = sec->old_state;
+ sec->old_state = 0;
sec->ext_state = ND_INTEL_SEC_ESTATE_ENABLED;
dev_dbg(dev, "overwrite is complete\n");
} else
@@ -3162,6 +3163,9 @@ static __init int nfit_test_init(void)
acpi_nfit_test();
device_dax_test();
mcsafe_test();
+ dax_pmem_test();
+ dax_pmem_core_test();
+ dax_pmem_compat_test();
nfit_test_setup(nfit_test_lookup, nfit_test_evaluate_dsm);
diff --git a/tools/testing/nvdimm/test/nfit_test.h b/tools/testing/nvdimm/test/nfit_test.h
index ade14fe3837e..448d686da8b1 100644
--- a/tools/testing/nvdimm/test/nfit_test.h
+++ b/tools/testing/nvdimm/test/nfit_test.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#ifndef __NFIT_TEST_H__
#define __NFIT_TEST_H__
diff --git a/tools/testing/nvdimm/watermark.h b/tools/testing/nvdimm/watermark.h
index ed0528757bd4..43fc4f3e7927 100644
--- a/tools/testing/nvdimm/watermark.h
+++ b/tools/testing/nvdimm/watermark.h
@@ -6,6 +6,9 @@ int pmem_test(void);
int libnvdimm_test(void);
int acpi_nfit_test(void);
int device_dax_test(void);
+int dax_pmem_test(void);
+int dax_pmem_core_test(void);
+int dax_pmem_compat_test(void);
/*
* dummy routine for nfit_test to validate it is linking to the properly
diff --git a/tools/testing/radix-tree/benchmark.c b/tools/testing/radix-tree/benchmark.c
index 7e195ed8e92d..523c79f22ed3 100644
--- a/tools/testing/radix-tree/benchmark.c
+++ b/tools/testing/radix-tree/benchmark.c
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* benchmark.c:
* Author: Konstantin Khlebnikov <koct9i@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/radix-tree.h>
#include <linux/slab.h>
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c
index 1b63bdb7688f..8995092d541e 100644
--- a/tools/testing/radix-tree/idr-test.c
+++ b/tools/testing/radix-tree/idr-test.c
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* idr-test.c: Test the IDR API
* Copyright (c) 2016 Matthew Wilcox <willy@infradead.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/bitmap.h>
#include <linux/idr.h>
@@ -287,6 +279,51 @@ static void idr_align_test(struct idr *idr)
}
}
+DEFINE_IDR(find_idr);
+
+static void *idr_throbber(void *arg)
+{
+ time_t start = time(NULL);
+ int id = *(int *)arg;
+
+ rcu_register_thread();
+ do {
+ idr_alloc(&find_idr, xa_mk_value(id), id, id + 1, GFP_KERNEL);
+ idr_remove(&find_idr, id);
+ } while (time(NULL) < start + 10);
+ rcu_unregister_thread();
+
+ return NULL;
+}
+
+void idr_find_test_1(int anchor_id, int throbber_id)
+{
+ pthread_t throbber;
+ time_t start = time(NULL);
+
+ pthread_create(&throbber, NULL, idr_throbber, &throbber_id);
+
+ BUG_ON(idr_alloc(&find_idr, xa_mk_value(anchor_id), anchor_id,
+ anchor_id + 1, GFP_KERNEL) != anchor_id);
+
+ do {
+ int id = 0;
+ void *entry = idr_get_next(&find_idr, &id);
+ BUG_ON(entry != xa_mk_value(id));
+ } while (time(NULL) < start + 11);
+
+ pthread_join(throbber, NULL);
+
+ idr_remove(&find_idr, anchor_id);
+ BUG_ON(!idr_is_empty(&find_idr));
+}
+
+void idr_find_test(void)
+{
+ idr_find_test_1(100000, 0);
+ idr_find_test_1(0, 100000);
+}
+
void idr_checks(void)
{
unsigned long i;
@@ -368,6 +405,7 @@ void idr_checks(void)
idr_u32_test(1);
idr_u32_test(0);
idr_align_test(&idr);
+ idr_find_test();
}
#define module_init(x)
diff --git a/tools/testing/radix-tree/iteration_check.c b/tools/testing/radix-tree/iteration_check.c
index 238db187aa15..e9908bcb06dd 100644
--- a/tools/testing/radix-tree/iteration_check.c
+++ b/tools/testing/radix-tree/iteration_check.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* iteration_check.c: test races having to do with xarray iteration
* Copyright (c) 2016 Intel Corporation
* Author: Ross Zwisler <ross.zwisler@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <pthread.h>
#include "test.h"
diff --git a/tools/testing/radix-tree/linux/rcupdate.h b/tools/testing/radix-tree/linux/rcupdate.h
index fd280b070fdb..fed468fb0c78 100644
--- a/tools/testing/radix-tree/linux/rcupdate.h
+++ b/tools/testing/radix-tree/linux/rcupdate.h
@@ -7,6 +7,6 @@
#define rcu_dereference_raw(p) rcu_dereference(p)
#define rcu_dereference_protected(p, cond) rcu_dereference(p)
#define rcu_dereference_check(p, cond) rcu_dereference(p)
-#define RCU_INIT_POINTER(p, v) (p) = (v)
+#define RCU_INIT_POINTER(p, v) do { (p) = (v); } while (0)
#endif
diff --git a/tools/testing/radix-tree/multiorder.c b/tools/testing/radix-tree/multiorder.c
index ff27a74d9762..9eae0fb5a67d 100644
--- a/tools/testing/radix-tree/multiorder.c
+++ b/tools/testing/radix-tree/multiorder.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* multiorder.c: Multi-order radix tree entry testing
* Copyright (c) 2016 Intel Corporation
* Author: Ross Zwisler <ross.zwisler@linux.intel.com>
* Author: Matthew Wilcox <matthew.r.wilcox@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/radix-tree.h>
#include <linux/slab.h>
diff --git a/tools/testing/scatterlist/Makefile b/tools/testing/scatterlist/Makefile
index 933c3a6e4d77..cbb003d9305e 100644
--- a/tools/testing/scatterlist/Makefile
+++ b/tools/testing/scatterlist/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS += -I. -I../../include -g -O2 -Wall -fsanitize=address
LDFLAGS += -fsanitize=address -fsanitize=undefined
TARGETS = main
diff --git a/tools/testing/selftests/.gitignore b/tools/testing/selftests/.gitignore
index 91750352459d..8059ce834247 100644
--- a/tools/testing/selftests/.gitignore
+++ b/tools/testing/selftests/.gitignore
@@ -1,4 +1,3 @@
-kselftest
gpiogpio-event-mon
gpiogpio-hammer
gpioinclude/
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 400ee81a3043..25b43a8c2b15 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -15,13 +15,14 @@ TARGETS += firmware
TARGETS += ftrace
TARGETS += futex
TARGETS += gpio
-TARGETS += ima
TARGETS += intel_pstate
TARGETS += ipc
TARGETS += ir
TARGETS += kcmp
+TARGETS += kexec
TARGETS += kvm
TARGETS += lib
+TARGETS += livepatch
TARGETS += membarrier
TARGETS += memfd
TARGETS += memory-hotplug
@@ -31,6 +32,7 @@ TARGETS += net
TARGETS += netfilter
TARGETS += networking/timestamping
TARGETS += nsfs
+TARGETS += pidfd
TARGETS += powerpc
TARGETS += proc
TARGETS += pstore
@@ -48,6 +50,8 @@ TARGETS += sysctl
ifneq (1, $(quicktest))
TARGETS += timers
endif
+TARGETS += tmpfs
+TARGETS += tpm2
TARGETS += user
TARGETS += vm
TARGETS += x86
@@ -67,26 +71,68 @@ override LDFLAGS =
override MAKEFLAGS =
endif
-ifneq ($(KBUILD_SRC),)
+# Append kselftest to KBUILD_OUTPUT to avoid cluttering
+# KBUILD_OUTPUT with selftest objects and headers installed
+# by selftests Makefile or lib.mk.
+ifdef building_out_of_srctree
override LDFLAGS =
endif
-BUILD := $(O)
-ifndef BUILD
- BUILD := $(KBUILD_OUTPUT)
+ifneq ($(O),)
+ BUILD := $(O)
+else
+ ifneq ($(KBUILD_OUTPUT),)
+ BUILD := $(KBUILD_OUTPUT)/kselftest
+ else
+ BUILD := $(shell pwd)
+ DEFAULT_INSTALL_HDR_PATH := 1
+ endif
endif
-ifndef BUILD
- BUILD := $(shell pwd)
+
+# Prepare for headers install
+top_srcdir ?= ../../..
+include $(top_srcdir)/scripts/subarch.include
+ARCH ?= $(SUBARCH)
+export KSFT_KHDR_INSTALL_DONE := 1
+export BUILD
+
+# build and run gpio when output directory is the src dir.
+# gpio has dependency on tools/gpio and builds tools/gpio
+# objects in the src directory in all cases making the src
+# repo dirty even when objects are relocated.
+ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
+ TMP := $(filter-out gpio, $(TARGETS))
+ TARGETS := $(TMP)
endif
-# KSFT_TAP_LEVEL is used from KSFT framework to prevent nested TAP header
-# printing from tests. Applicable to run_tests case where run_tests adds
-# TAP header prior running tests and when a test program invokes another
-# with system() call. Export it here to cover override RUN_TESTS defines.
-export KSFT_TAP_LEVEL=`echo 1`
+# set default goal to all, so make without a target runs all, even when
+# all isn't the first target in the file.
+.DEFAULT_GOAL := all
+
+# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
+# is used to avoid running headers_install from lib.mk.
+# Invoke headers install with --no-builtin-rules to avoid circular
+# dependency in "make kselftest" case. In this case, second level
+# make inherits builtin-rules which will use the rule generate
+# Makefile.o and runs into
+# "Circular Makefile.o <- prepare dependency dropped."
+# and headers_install fails and test compile fails.
+#
+# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
+# invokes them as sub-makes and --no-builtin-rules is not necessary,
+# but doesn't cause any failures. Keep it simple and use the same
+# flags in both cases.
+# Local build cases: "make kselftest", "make -C" - headers are installed
+# in the default INSTALL_HDR_PATH usr/include.
+khdr:
+ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
+ make --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
+else
+ make --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
+ ARCH=$(ARCH) -C $(top_srcdir) headers_install
+endif
-export BUILD
-all:
+all: khdr
@for TARGET in $(TARGETS); do \
BUILD_TARGET=$$BUILD/$$TARGET; \
mkdir $$BUILD_TARGET -p; \
@@ -120,14 +166,22 @@ clean_hotplug:
run_pstore_crash:
make -C pstore run_crash
-INSTALL_PATH ?= install
+# Use $BUILD as the default install root. $BUILD points to the
+# right output location for the following cases:
+# 1. output_dir=kernel_src
+# 2. a separate output directory is specified using O= KBUILD_OUTPUT
+# 3. a separate output directory is specified using KBUILD_OUTPUT
+#
+INSTALL_PATH ?= $(BUILD)/install
INSTALL_PATH := $(abspath $(INSTALL_PATH))
ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
-install:
+install: all
ifdef INSTALL_PATH
@# Ask all targets to install their files
- mkdir -p $(INSTALL_PATH)
+ mkdir -p $(INSTALL_PATH)/kselftest
+ install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
+ install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
@for TARGET in $(TARGETS); do \
BUILD_TARGET=$$BUILD/$$TARGET; \
make OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install; \
@@ -137,24 +191,20 @@ ifdef INSTALL_PATH
echo "#!/bin/sh" > $(ALL_SCRIPT)
echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
+ echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
- echo " OUTPUT=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
- echo " cat /dev/null > \$$OUTPUT" >> $(ALL_SCRIPT)
- echo "else" >> $(ALL_SCRIPT)
- echo " OUTPUT=/dev/stdout" >> $(ALL_SCRIPT)
+ echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
+ echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
echo "fi" >> $(ALL_SCRIPT)
- echo "export KSFT_TAP_LEVEL=1" >> $(ALL_SCRIPT)
- echo "export skip=4" >> $(ALL_SCRIPT)
for TARGET in $(TARGETS); do \
BUILD_TARGET=$$BUILD/$$TARGET; \
- echo "echo ; echo TAP version 13" >> $(ALL_SCRIPT); \
- echo "echo Running tests in $$TARGET" >> $(ALL_SCRIPT); \
- echo "echo ========================================" >> $(ALL_SCRIPT); \
echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
echo "cd $$TARGET" >> $(ALL_SCRIPT); \
+ echo -n "run_many" >> $(ALL_SCRIPT); \
make -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
+ echo "" >> $(ALL_SCRIPT); \
echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
done;
@@ -169,4 +219,4 @@ clean:
make OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
done;
-.PHONY: all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean
+.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean
diff --git a/tools/testing/selftests/android/Makefile b/tools/testing/selftests/android/Makefile
index 72c25a3cb658..7c462714b418 100644
--- a/tools/testing/selftests/android/Makefile
+++ b/tools/testing/selftests/android/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
SUBDIRS := ion
TEST_PROGS := run.sh
diff --git a/tools/testing/selftests/android/ion/Makefile b/tools/testing/selftests/android/ion/Makefile
index 88cfe88e466f..0eb7ab626e1c 100644
--- a/tools/testing/selftests/android/ion/Makefile
+++ b/tools/testing/selftests/android/ion/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
INCLUDEDIR := -I. -I../../../../../drivers/staging/android/uapi/ -I../../../../../usr/include/
CFLAGS := $(CFLAGS) $(INCLUDEDIR) -Wall -O2 -g
diff --git a/tools/testing/selftests/android/ion/ion.h b/tools/testing/selftests/android/ion/ion.h
index f7021ac51335..33db23018abf 100644
--- a/tools/testing/selftests/android/ion/ion.h
+++ b/tools/testing/selftests/android/ion/ion.h
@@ -1,17 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* ion.h
*
* Copyright (C) 2011 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
/* This file is copied from drivers/staging/android/uapi/ion.h
diff --git a/tools/testing/selftests/android/ion/ionapp_export.c b/tools/testing/selftests/android/ion/ionapp_export.c
index b5fa0a2dc968..063b7830d1bd 100644
--- a/tools/testing/selftests/android/ion/ionapp_export.c
+++ b/tools/testing/selftests/android/ion/ionapp_export.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ionapp_export.c
*
@@ -7,16 +8,6 @@
* So, this server has to be started first before the client.
*
* Copyright (C) 2017 Pintu Kumar <pintu.ping@gmail.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/android/ion/ionapp_import.c b/tools/testing/selftests/android/ion/ionapp_import.c
index ae2d704cfa46..54b580cb04f6 100644
--- a/tools/testing/selftests/android/ion/ionapp_import.c
+++ b/tools/testing/selftests/android/ion/ionapp_import.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ionapp_import.c
*
@@ -6,16 +7,6 @@
* This acts like a client for ionapp_export.
*
* Copyright (C) 2017 Pintu Kumar <pintu.ping@gmail.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore
index dd093bd91aa9..90f70d2c7c22 100644
--- a/tools/testing/selftests/bpf/.gitignore
+++ b/tools/testing/selftests/bpf/.gitignore
@@ -14,6 +14,7 @@ feature
test_libbpf_open
test_sock
test_sock_addr
+test_sock_fields
urandom_read
test_btf
test_sockmap
@@ -21,6 +22,7 @@ test_lirc_mode2_user
get_cgroup_id_user
test_skb_cgroup_id_user
test_socket_cookie
+test_cgroup_attach
test_cgroup_storage
test_select_reuseport
test_flow_dissector
@@ -29,3 +31,15 @@ test_netcnt
test_section_names
test_tcpnotify_user
test_libbpf
+test_tcp_check_syncookie_user
+test_sysctl
+alu32
+libbpf.pc
+libbpf.so.*
+test_hashmap
+test_btf_dump
+xdping
+test_sockopt
+test_sockopt_sk
+test_sockopt_multi
+test_tcp_rtt
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 41ab7a3668b3..2620406a53ec 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -10,42 +10,44 @@ ifneq ($(wildcard $(GENHDR)),)
GENFLAGS := -DHAVE_GENHDR
endif
-CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(BPFDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include
+CLANG ?= clang
+LLC ?= llc
+LLVM_OBJCOPY ?= llvm-objcopy
+LLVM_READELF ?= llvm-readelf
+BTF_PAHOLE ?= pahole
+CFLAGS += -g -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(BPFDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include \
+ -Dbpf_prog_load=bpf_prog_test_load \
+ -Dbpf_load_program=bpf_test_load_program
LDLIBS += -lcap -lelf -lrt -lpthread
-TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read
-all: $(TEST_CUSTOM_PROGS)
-
-$(TEST_CUSTOM_PROGS): $(OUTPUT)/%: %.c
- $(CC) -o $(TEST_CUSTOM_PROGS) -static $< -Wl,--build-id
-
# Order correspond to 'make run_tests' order
TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \
- test_sock test_btf test_sockmap test_lirc_mode2_user get_cgroup_id_user \
- test_socket_cookie test_cgroup_storage test_select_reuseport test_section_names \
- test_netcnt test_tcpnotify_user
-
-TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test_obj_id.o \
- test_pkt_md_access.o test_xdp_redirect.o test_xdp_meta.o sockmap_parse_prog.o \
- sockmap_verdict_prog.o dev_cgroup.o sample_ret0.o test_tracepoint.o \
- test_l4lb_noinline.o test_xdp_noinline.o test_stacktrace_map.o \
- test_tcpnotify_kern.o \
- sample_map_ret0.o test_tcpbpf_kern.o test_stacktrace_build_id.o \
- sockmap_tcp_msg_prog.o connect4_prog.o connect6_prog.o test_adjust_tail.o \
- test_btf_haskv.o test_btf_nokv.o test_sockmap_kern.o test_tunnel_kern.o \
- test_get_stack_rawtp.o test_sockmap_kern.o test_sockhash_kern.o \
- test_lwt_seg6local.o sendmsg4_prog.o sendmsg6_prog.o test_lirc_mode2_kern.o \
- get_cgroup_id_kern.o socket_cookie_prog.o test_select_reuseport_kern.o \
- test_skb_cgroup_id_kern.o bpf_flow.o netcnt_prog.o \
- test_sk_lookup_kern.o test_xdp_vlan.o test_queue_map.o test_stack_map.o \
- xdp_dummy.o test_map_in_map.o
+ test_sock test_btf test_sockmap get_cgroup_id_user test_socket_cookie \
+ test_cgroup_storage test_select_reuseport test_section_names \
+ test_netcnt test_tcpnotify_user test_sock_fields test_sysctl test_hashmap \
+ test_btf_dump test_cgroup_attach xdping test_sockopt test_sockopt_sk \
+ test_sockopt_multi test_tcp_rtt
+
+BPF_OBJ_FILES = $(patsubst %.c,%.o, $(notdir $(wildcard progs/*.c)))
+TEST_GEN_FILES = $(BPF_OBJ_FILES)
+
+# Also test sub-register code-gen if LLVM has eBPF v3 processor support which
+# contains both ALU32 and JMP32 instructions.
+SUBREG_CODEGEN := $(shell echo "int cal(int a) { return a > 0; }" | \
+ $(CLANG) -target bpf -O2 -emit-llvm -S -x c - -o - | \
+ $(LLC) -mattr=+alu32 -mcpu=v3 2>&1 | \
+ grep 'if w')
+ifneq ($(SUBREG_CODEGEN),)
+TEST_GEN_FILES += $(patsubst %.o,alu32/%.o, $(BPF_OBJ_FILES))
+endif
# Order correspond to 'make run_tests' order
TEST_PROGS := test_kmod.sh \
test_libbpf.sh \
test_xdp_redirect.sh \
test_xdp_meta.sh \
+ test_xdp_veth.sh \
test_offload.py \
test_sock_addr.sh \
test_tunnel.sh \
@@ -53,7 +55,12 @@ TEST_PROGS := test_kmod.sh \
test_lirc_mode2.sh \
test_skb_cgroup_id.sh \
test_flow_dissector.sh \
- test_xdp_vlan.sh
+ test_xdp_vlan.sh \
+ test_lwt_ip_encap.sh \
+ test_tcp_check_syncookie.sh \
+ test_tc_tunnel.sh \
+ test_tc_edt.sh \
+ test_xdping.sh
TEST_PROGS_EXTENDED := with_addr.sh \
with_tunnels.sh \
@@ -62,15 +69,25 @@ TEST_PROGS_EXTENDED := with_addr.sh \
# Compile but not part of 'make run_tests'
TEST_GEN_PROGS_EXTENDED = test_libbpf_open test_sock_addr test_skb_cgroup_id_user \
- flow_dissector_load test_flow_dissector
+ flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
+ test_lirc_mode2_user
include ../lib.mk
+# NOTE: $(OUTPUT) won't get default value if used before lib.mk
+TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read
+all: $(TEST_CUSTOM_PROGS)
+
+$(OUTPUT)/urandom_read: $(OUTPUT)/%: %.c
+ $(CC) -o $@ $< -Wl,--build-id
+
+$(OUTPUT)/test_maps: map_tests/*.c
+
BPFOBJ := $(OUTPUT)/libbpf.a
-$(TEST_GEN_PROGS): $(BPFOBJ)
+$(TEST_GEN_PROGS): test_stub.o $(BPFOBJ)
-$(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/libbpf.a
+$(TEST_GEN_PROGS_EXTENDED): test_stub.o $(OUTPUT)/libbpf.a
$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c
$(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c
@@ -84,6 +101,13 @@ $(OUTPUT)/test_progs: trace_helpers.c
$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c
$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c
$(OUTPUT)/test_netcnt: cgroup_helpers.c
+$(OUTPUT)/test_sock_fields: cgroup_helpers.c
+$(OUTPUT)/test_sysctl: cgroup_helpers.c
+$(OUTPUT)/test_cgroup_attach: cgroup_helpers.c
+$(OUTPUT)/test_sockopt: cgroup_helpers.c
+$(OUTPUT)/test_sockopt_sk: cgroup_helpers.c
+$(OUTPUT)/test_sockopt_multi: cgroup_helpers.c
+$(OUTPUT)/test_tcp_rtt: cgroup_helpers.c
.PHONY: force
@@ -93,11 +117,6 @@ force:
$(BPFOBJ): force
$(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/
-CLANG ?= clang
-LLC ?= llc
-LLVM_OBJCOPY ?= llvm-objcopy
-BTF_PAHOLE ?= pahole
-
PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1)
# Let newer LLVM versions transparently probe the kernel for availability
@@ -127,12 +146,15 @@ $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline
$(OUTPUT)/test_queue_map.o: test_queue_stack_map.h
$(OUTPUT)/test_stack_map.o: test_queue_stack_map.h
+$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
+$(OUTPUT)/test_progs.o: flow_dissector_load.h
+
BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris)
BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF)
BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm')
BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \
$(CLANG) -target bpf -O2 -g -c -x c - -o ./llvm_btf_verify.o; \
- readelf -S ./llvm_btf_verify.o | grep BTF; \
+ $(LLVM_READELF) -S ./llvm_btf_verify.o | grep BTF; \
/bin/rm -f ./llvm_btf_verify.o)
ifneq ($(BTF_LLVM_PROBE),)
@@ -149,9 +171,43 @@ endif
endif
endif
+TEST_PROGS_CFLAGS := -I. -I$(OUTPUT)
+TEST_VERIFIER_CFLAGS := -I. -I$(OUTPUT) -Iverifier
+
+ifneq ($(SUBREG_CODEGEN),)
+ALU32_BUILD_DIR = $(OUTPUT)/alu32
+TEST_CUSTOM_PROGS += $(ALU32_BUILD_DIR)/test_progs_32
+$(ALU32_BUILD_DIR):
+ mkdir -p $@
+
+$(ALU32_BUILD_DIR)/urandom_read: $(OUTPUT)/urandom_read
+ cp $< $@
+
+$(ALU32_BUILD_DIR)/test_progs_32: test_progs.c $(OUTPUT)/libbpf.a\
+ $(ALU32_BUILD_DIR) \
+ $(ALU32_BUILD_DIR)/urandom_read
+ $(CC) $(TEST_PROGS_CFLAGS) $(CFLAGS) \
+ -o $(ALU32_BUILD_DIR)/test_progs_32 \
+ test_progs.c test_stub.c trace_helpers.c prog_tests/*.c \
+ $(OUTPUT)/libbpf.a $(LDLIBS)
+
+$(ALU32_BUILD_DIR)/test_progs_32: $(PROG_TESTS_H)
+$(ALU32_BUILD_DIR)/test_progs_32: prog_tests/*.c
+
+$(ALU32_BUILD_DIR)/%.o: progs/%.c $(ALU32_BUILD_DIR) \
+ $(ALU32_BUILD_DIR)/test_progs_32
+ $(CLANG) $(CLANG_FLAGS) \
+ -O2 -target bpf -emit-llvm -c $< -o - | \
+ $(LLC) -march=bpf -mattr=+alu32 -mcpu=$(CPU) $(LLC_FLAGS) \
+ -filetype=obj -o $@
+ifeq ($(DWARF2BTF),y)
+ $(BTF_PAHOLE) -J $@
+endif
+endif
+
# Have one program compiled without "-target bpf" to test whether libbpf loads
# it successfully
-$(OUTPUT)/test_xdp.o: test_xdp.c
+$(OUTPUT)/test_xdp.o: progs/test_xdp.c
$(CLANG) $(CLANG_FLAGS) \
-O2 -emit-llvm -c $< -o - | \
$(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@
@@ -159,7 +215,7 @@ ifeq ($(DWARF2BTF),y)
$(BTF_PAHOLE) -J $@
endif
-$(OUTPUT)/%.o: %.c
+$(OUTPUT)/%.o: progs/%.c
$(CLANG) $(CLANG_FLAGS) \
-O2 -target bpf -emit-llvm -c $< -o - | \
$(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@
@@ -167,4 +223,68 @@ ifeq ($(DWARF2BTF),y)
$(BTF_PAHOLE) -J $@
endif
-EXTRA_CLEAN := $(TEST_CUSTOM_PROGS)
+PROG_TESTS_H := $(OUTPUT)/prog_tests/tests.h
+test_progs.c: $(PROG_TESTS_H)
+$(OUTPUT)/test_progs: CFLAGS += $(TEST_PROGS_CFLAGS)
+$(OUTPUT)/test_progs: prog_tests/*.c
+
+PROG_TESTS_DIR = $(OUTPUT)/prog_tests
+$(PROG_TESTS_DIR):
+ mkdir -p $@
+
+PROG_TESTS_FILES := $(wildcard prog_tests/*.c)
+$(PROG_TESTS_H): $(PROG_TESTS_DIR) $(PROG_TESTS_FILES)
+ $(shell ( cd prog_tests/; \
+ echo '/* Generated header, do not edit */'; \
+ echo '#ifdef DECLARE'; \
+ ls *.c 2> /dev/null | \
+ sed -e 's@\([^\.]*\)\.c@extern void test_\1(void);@'; \
+ echo '#endif'; \
+ echo '#ifdef CALL'; \
+ ls *.c 2> /dev/null | \
+ sed -e 's@\([^\.]*\)\.c@test_\1();@'; \
+ echo '#endif' \
+ ) > $(PROG_TESTS_H))
+
+TEST_MAPS_CFLAGS := -I. -I$(OUTPUT)
+MAP_TESTS_DIR = $(OUTPUT)/map_tests
+$(MAP_TESTS_DIR):
+ mkdir -p $@
+MAP_TESTS_H := $(MAP_TESTS_DIR)/tests.h
+test_maps.c: $(MAP_TESTS_H)
+$(OUTPUT)/test_maps: CFLAGS += $(TEST_MAPS_CFLAGS)
+MAP_TESTS_FILES := $(wildcard map_tests/*.c)
+$(MAP_TESTS_H): $(MAP_TESTS_DIR) $(MAP_TESTS_FILES)
+ $(shell ( cd map_tests/; \
+ echo '/* Generated header, do not edit */'; \
+ echo '#ifdef DECLARE'; \
+ ls *.c 2> /dev/null | \
+ sed -e 's@\([^\.]*\)\.c@extern void test_\1(void);@'; \
+ echo '#endif'; \
+ echo '#ifdef CALL'; \
+ ls *.c 2> /dev/null | \
+ sed -e 's@\([^\.]*\)\.c@test_\1();@'; \
+ echo '#endif' \
+ ) > $(MAP_TESTS_H))
+
+VERIFIER_TESTS_H := $(OUTPUT)/verifier/tests.h
+test_verifier.c: $(VERIFIER_TESTS_H)
+$(OUTPUT)/test_verifier: CFLAGS += $(TEST_VERIFIER_CFLAGS)
+
+VERIFIER_TESTS_DIR = $(OUTPUT)/verifier
+$(VERIFIER_TESTS_DIR):
+ mkdir -p $@
+
+VERIFIER_TEST_FILES := $(wildcard verifier/*.c)
+$(OUTPUT)/verifier/tests.h: $(VERIFIER_TESTS_DIR) $(VERIFIER_TEST_FILES)
+ $(shell ( cd verifier/; \
+ echo '/* Generated header, do not edit */'; \
+ echo '#ifdef FILL_ARRAY'; \
+ ls *.c 2> /dev/null | \
+ sed -e 's@\(.*\)@#include \"\1\"@'; \
+ echo '#endif' \
+ ) > $(VERIFIER_TESTS_H))
+
+EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(ALU32_BUILD_DIR) \
+ $(VERIFIER_TESTS_H) $(PROG_TESTS_H) $(MAP_TESTS_H) \
+ feature
diff --git a/tools/testing/selftests/bpf/bpf_endian.h b/tools/testing/selftests/bpf/bpf_endian.h
index b25595ea4a78..05f036df8a4c 100644
--- a/tools/testing/selftests/bpf/bpf_endian.h
+++ b/tools/testing/selftests/bpf/bpf_endian.h
@@ -2,6 +2,7 @@
#ifndef __BPF_ENDIAN__
#define __BPF_ENDIAN__
+#include <linux/stddef.h>
#include <linux/swab.h>
/* LLVM's BPF target selects the endianness of the CPU
diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h
index 6c77cf7bedce..5a3d92c8bec8 100644
--- a/tools/testing/selftests/bpf/bpf_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_helpers.h
@@ -8,22 +8,33 @@
*/
#define SEC(NAME) __attribute__((section(NAME), used))
+#define __uint(name, val) int (*name)[val]
+#define __type(name, val) val *name
+
+/* helper macro to print out debug messages */
+#define bpf_printk(fmt, ...) \
+({ \
+ char ____fmt[] = fmt; \
+ bpf_trace_printk(____fmt, sizeof(____fmt), \
+ ##__VA_ARGS__); \
+})
+
/* helper functions called from eBPF programs written in C */
-static void *(*bpf_map_lookup_elem)(void *map, void *key) =
+static void *(*bpf_map_lookup_elem)(void *map, const void *key) =
(void *) BPF_FUNC_map_lookup_elem;
-static int (*bpf_map_update_elem)(void *map, void *key, void *value,
+static int (*bpf_map_update_elem)(void *map, const void *key, const void *value,
unsigned long long flags) =
(void *) BPF_FUNC_map_update_elem;
-static int (*bpf_map_delete_elem)(void *map, void *key) =
+static int (*bpf_map_delete_elem)(void *map, const void *key) =
(void *) BPF_FUNC_map_delete_elem;
-static int (*bpf_map_push_elem)(void *map, void *value,
+static int (*bpf_map_push_elem)(void *map, const void *value,
unsigned long long flags) =
(void *) BPF_FUNC_map_push_elem;
static int (*bpf_map_pop_elem)(void *map, void *value) =
(void *) BPF_FUNC_map_pop_elem;
static int (*bpf_map_peek_elem)(void *map, void *value) =
(void *) BPF_FUNC_map_peek_elem;
-static int (*bpf_probe_read)(void *dst, int size, void *unsafe_ptr) =
+static int (*bpf_probe_read)(void *dst, int size, const void *unsafe_ptr) =
(void *) BPF_FUNC_probe_read;
static unsigned long long (*bpf_ktime_get_ns)(void) =
(void *) BPF_FUNC_ktime_get_ns;
@@ -54,7 +65,7 @@ static int (*bpf_perf_event_output)(void *ctx, void *map,
(void *) BPF_FUNC_perf_event_output;
static int (*bpf_get_stackid)(void *ctx, void *map, int flags) =
(void *) BPF_FUNC_get_stackid;
-static int (*bpf_probe_write_user)(void *dst, void *src, int size) =
+static int (*bpf_probe_write_user)(void *dst, const void *src, int size) =
(void *) BPF_FUNC_probe_write_user;
static int (*bpf_current_task_under_cgroup)(void *map, int index) =
(void *) BPF_FUNC_current_task_under_cgroup;
@@ -159,6 +170,11 @@ static struct bpf_sock *(*bpf_sk_lookup_tcp)(void *ctx,
int size, unsigned long long netns_id,
unsigned long long flags) =
(void *) BPF_FUNC_sk_lookup_tcp;
+static struct bpf_sock *(*bpf_skc_lookup_tcp)(void *ctx,
+ struct bpf_sock_tuple *tuple,
+ int size, unsigned long long netns_id,
+ unsigned long long flags) =
+ (void *) BPF_FUNC_skc_lookup_tcp;
static struct bpf_sock *(*bpf_sk_lookup_udp)(void *ctx,
struct bpf_sock_tuple *tuple,
int size, unsigned long long netns_id,
@@ -172,6 +188,46 @@ static int (*bpf_skb_vlan_pop)(void *ctx) =
(void *) BPF_FUNC_skb_vlan_pop;
static int (*bpf_rc_pointer_rel)(void *ctx, int rel_x, int rel_y) =
(void *) BPF_FUNC_rc_pointer_rel;
+static void (*bpf_spin_lock)(struct bpf_spin_lock *lock) =
+ (void *) BPF_FUNC_spin_lock;
+static void (*bpf_spin_unlock)(struct bpf_spin_lock *lock) =
+ (void *) BPF_FUNC_spin_unlock;
+static struct bpf_sock *(*bpf_sk_fullsock)(struct bpf_sock *sk) =
+ (void *) BPF_FUNC_sk_fullsock;
+static struct bpf_tcp_sock *(*bpf_tcp_sock)(struct bpf_sock *sk) =
+ (void *) BPF_FUNC_tcp_sock;
+static struct bpf_sock *(*bpf_get_listener_sock)(struct bpf_sock *sk) =
+ (void *) BPF_FUNC_get_listener_sock;
+static int (*bpf_skb_ecn_set_ce)(void *ctx) =
+ (void *) BPF_FUNC_skb_ecn_set_ce;
+static int (*bpf_tcp_check_syncookie)(struct bpf_sock *sk,
+ void *ip, int ip_len, void *tcp, int tcp_len) =
+ (void *) BPF_FUNC_tcp_check_syncookie;
+static int (*bpf_sysctl_get_name)(void *ctx, char *buf,
+ unsigned long long buf_len,
+ unsigned long long flags) =
+ (void *) BPF_FUNC_sysctl_get_name;
+static int (*bpf_sysctl_get_current_value)(void *ctx, char *buf,
+ unsigned long long buf_len) =
+ (void *) BPF_FUNC_sysctl_get_current_value;
+static int (*bpf_sysctl_get_new_value)(void *ctx, char *buf,
+ unsigned long long buf_len) =
+ (void *) BPF_FUNC_sysctl_get_new_value;
+static int (*bpf_sysctl_set_new_value)(void *ctx, const char *buf,
+ unsigned long long buf_len) =
+ (void *) BPF_FUNC_sysctl_set_new_value;
+static int (*bpf_strtol)(const char *buf, unsigned long long buf_len,
+ unsigned long long flags, long *res) =
+ (void *) BPF_FUNC_strtol;
+static int (*bpf_strtoul)(const char *buf, unsigned long long buf_len,
+ unsigned long long flags, unsigned long *res) =
+ (void *) BPF_FUNC_strtoul;
+static void *(*bpf_sk_storage_get)(void *map, struct bpf_sock *sk,
+ void *value, __u64 flags) =
+ (void *) BPF_FUNC_sk_storage_get;
+static int (*bpf_sk_storage_delete)(void *map, struct bpf_sock *sk) =
+ (void *)BPF_FUNC_sk_storage_delete;
+static int (*bpf_send_signal)(unsigned sig) = (void *)BPF_FUNC_send_signal;
/* llvm builtin functions that eBPF C program may use to
* emit BPF_LD_ABS and BPF_LD_IND instructions
@@ -224,6 +280,36 @@ static int (*bpf_skb_change_head)(void *, int len, int flags) =
(void *) BPF_FUNC_skb_change_head;
static int (*bpf_skb_pull_data)(void *, int len) =
(void *) BPF_FUNC_skb_pull_data;
+static unsigned int (*bpf_get_cgroup_classid)(void *ctx) =
+ (void *) BPF_FUNC_get_cgroup_classid;
+static unsigned int (*bpf_get_route_realm)(void *ctx) =
+ (void *) BPF_FUNC_get_route_realm;
+static int (*bpf_skb_change_proto)(void *ctx, __be16 proto, __u64 flags) =
+ (void *) BPF_FUNC_skb_change_proto;
+static int (*bpf_skb_change_type)(void *ctx, __u32 type) =
+ (void *) BPF_FUNC_skb_change_type;
+static unsigned int (*bpf_get_hash_recalc)(void *ctx) =
+ (void *) BPF_FUNC_get_hash_recalc;
+static unsigned long long (*bpf_get_current_task)(void) =
+ (void *) BPF_FUNC_get_current_task;
+static int (*bpf_skb_change_tail)(void *ctx, __u32 len, __u64 flags) =
+ (void *) BPF_FUNC_skb_change_tail;
+static long long (*bpf_csum_update)(void *ctx, __u32 csum) =
+ (void *) BPF_FUNC_csum_update;
+static void (*bpf_set_hash_invalid)(void *ctx) =
+ (void *) BPF_FUNC_set_hash_invalid;
+static int (*bpf_get_numa_node_id)(void) =
+ (void *) BPF_FUNC_get_numa_node_id;
+static int (*bpf_probe_read_str)(void *ctx, __u32 size,
+ const void *unsafe_ptr) =
+ (void *) BPF_FUNC_probe_read_str;
+static unsigned int (*bpf_get_socket_uid)(void *ctx) =
+ (void *) BPF_FUNC_get_socket_uid;
+static unsigned int (*bpf_set_hash)(void *ctx, __u32 hash) =
+ (void *) BPF_FUNC_set_hash;
+static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode,
+ unsigned long long flags) =
+ (void *) BPF_FUNC_skb_adjust_room;
/* Scan the ARCH passed in from ARCH env variable (see Makefile) */
#if defined(__TARGET_ARCH_x86)
@@ -232,6 +318,9 @@ static int (*bpf_skb_pull_data)(void *, int len) =
#elif defined(__TARGET_ARCH_s930x)
#define bpf_target_s930x
#define bpf_target_defined
+#elif defined(__TARGET_ARCH_arm)
+ #define bpf_target_arm
+ #define bpf_target_defined
#elif defined(__TARGET_ARCH_arm64)
#define bpf_target_arm64
#define bpf_target_defined
@@ -254,6 +343,8 @@ static int (*bpf_skb_pull_data)(void *, int len) =
#define bpf_target_x86
#elif defined(__s390x__)
#define bpf_target_s930x
+#elif defined(__arm__)
+ #define bpf_target_arm
#elif defined(__aarch64__)
#define bpf_target_arm64
#elif defined(__mips__)
@@ -291,6 +382,19 @@ static int (*bpf_skb_pull_data)(void *, int len) =
#define PT_REGS_SP(x) ((x)->gprs[15])
#define PT_REGS_IP(x) ((x)->psw.addr)
+#elif defined(bpf_target_arm)
+
+#define PT_REGS_PARM1(x) ((x)->uregs[0])
+#define PT_REGS_PARM2(x) ((x)->uregs[1])
+#define PT_REGS_PARM3(x) ((x)->uregs[2])
+#define PT_REGS_PARM4(x) ((x)->uregs[3])
+#define PT_REGS_PARM5(x) ((x)->uregs[4])
+#define PT_REGS_RET(x) ((x)->uregs[14])
+#define PT_REGS_FP(x) ((x)->uregs[11]) /* Works only with CONFIG_FRAME_POINTER */
+#define PT_REGS_RC(x) ((x)->uregs[0])
+#define PT_REGS_SP(x) ((x)->uregs[13])
+#define PT_REGS_IP(x) ((x)->uregs[12])
+
#elif defined(bpf_target_arm64)
#define PT_REGS_PARM1(x) ((x)->regs[0])
diff --git a/tools/testing/selftests/bpf/bpf_util.h b/tools/testing/selftests/bpf/bpf_util.h
index 84fd6f1bf33e..ec219f84e041 100644
--- a/tools/testing/selftests/bpf/bpf_util.h
+++ b/tools/testing/selftests/bpf/bpf_util.h
@@ -6,44 +6,17 @@
#include <stdlib.h>
#include <string.h>
#include <errno.h>
+#include <libbpf.h> /* libbpf_num_possible_cpus */
static inline unsigned int bpf_num_possible_cpus(void)
{
- static const char *fcpu = "/sys/devices/system/cpu/possible";
- unsigned int start, end, possible_cpus = 0;
- char buff[128];
- FILE *fp;
- int len, n, i, j = 0;
-
- fp = fopen(fcpu, "r");
- if (!fp) {
- printf("Failed to open %s: '%s'!\n", fcpu, strerror(errno));
- exit(1);
- }
+ int possible_cpus = libbpf_num_possible_cpus();
- if (!fgets(buff, sizeof(buff), fp)) {
- printf("Failed to read %s!\n", fcpu);
+ if (possible_cpus < 0) {
+ printf("Failed to get # of possible cpus: '%s'!\n",
+ strerror(-possible_cpus));
exit(1);
}
-
- len = strlen(buff);
- for (i = 0; i <= len; i++) {
- if (buff[i] == ',' || buff[i] == '\0') {
- buff[i] = '\0';
- n = sscanf(&buff[j], "%u-%u", &start, &end);
- if (n <= 0) {
- printf("Failed to retrieve # possible CPUs!\n");
- exit(1);
- } else if (n == 1) {
- end = start;
- }
- possible_cpus += end - start + 1;
- j = i + 1;
- }
- }
-
- fclose(fp);
-
return possible_cpus;
}
@@ -58,4 +31,13 @@ static inline unsigned int bpf_num_possible_cpus(void)
# define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif
+#ifndef sizeof_field
+#define sizeof_field(TYPE, MEMBER) sizeof((((TYPE *)0)->MEMBER))
+#endif
+
+#ifndef offsetofend
+#define offsetofend(TYPE, MEMBER) \
+ (offsetof(TYPE, MEMBER) + sizeof_field(TYPE, MEMBER))
+#endif
+
#endif /* __BPF_UTIL__ */
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c
index 6692a40a6979..e95c33e333a4 100644
--- a/tools/testing/selftests/bpf/cgroup_helpers.c
+++ b/tools/testing/selftests/bpf/cgroup_helpers.c
@@ -34,6 +34,60 @@
CGROUP_WORK_DIR, path)
/**
+ * enable_all_controllers() - Enable all available cgroup v2 controllers
+ *
+ * Enable all available cgroup v2 controllers in order to increase
+ * the code coverage.
+ *
+ * If successful, 0 is returned.
+ */
+int enable_all_controllers(char *cgroup_path)
+{
+ char path[PATH_MAX + 1];
+ char buf[PATH_MAX];
+ char *c, *c2;
+ int fd, cfd;
+ ssize_t len;
+
+ snprintf(path, sizeof(path), "%s/cgroup.controllers", cgroup_path);
+ fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ log_err("Opening cgroup.controllers: %s", path);
+ return 1;
+ }
+
+ len = read(fd, buf, sizeof(buf) - 1);
+ if (len < 0) {
+ close(fd);
+ log_err("Reading cgroup.controllers: %s", path);
+ return 1;
+ }
+ buf[len] = 0;
+ close(fd);
+
+ /* No controllers available? We're probably on cgroup v1. */
+ if (len == 0)
+ return 0;
+
+ snprintf(path, sizeof(path), "%s/cgroup.subtree_control", cgroup_path);
+ cfd = open(path, O_RDWR);
+ if (cfd < 0) {
+ log_err("Opening cgroup.subtree_control: %s", path);
+ return 1;
+ }
+
+ for (c = strtok_r(buf, " ", &c2); c; c = strtok_r(NULL, " ", &c2)) {
+ if (dprintf(cfd, "+%s\n", c) <= 0) {
+ log_err("Enabling controller %s: %s", c, path);
+ close(cfd);
+ return 1;
+ }
+ }
+ close(cfd);
+ return 0;
+}
+
+/**
* setup_cgroup_environment() - Setup the cgroup environment
*
* After calling this function, cleanup_cgroup_environment should be called
@@ -71,6 +125,9 @@ int setup_cgroup_environment(void)
return 1;
}
+ if (enable_all_controllers(cgroup_workdir))
+ return 1;
+
return 0;
}
diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config
index 37f947ec44ed..f7a0744db31e 100644
--- a/tools/testing/selftests/bpf/config
+++ b/tools/testing/selftests/bpf/config
@@ -23,3 +23,14 @@ CONFIG_LWTUNNEL=y
CONFIG_BPF_STREAM_PARSER=y
CONFIG_XDP_SOCKETS=y
CONFIG_FTRACE_SYSCALLS=y
+CONFIG_IPV6_TUNNEL=y
+CONFIG_IPV6_GRE=y
+CONFIG_NET_FOU=m
+CONFIG_NET_FOU_IP_TUNNELS=y
+CONFIG_IPV6_FOU=m
+CONFIG_IPV6_FOU_TUNNEL=m
+CONFIG_MPLS=y
+CONFIG_NET_MPLS_GSO=m
+CONFIG_MPLS_ROUTING=m
+CONFIG_MPLS_IPTUNNEL=m
+CONFIG_IPV6_SIT=m
diff --git a/tools/testing/selftests/bpf/flow_dissector_load.c b/tools/testing/selftests/bpf/flow_dissector_load.c
index ae8180b11d5f..3fd83b9dc1bf 100644
--- a/tools/testing/selftests/bpf/flow_dissector_load.c
+++ b/tools/testing/selftests/bpf/flow_dissector_load.c
@@ -12,6 +12,7 @@
#include <bpf/libbpf.h>
#include "bpf_rlimit.h"
+#include "flow_dissector_load.h"
const char *cfg_pin_path = "/sys/fs/bpf/flow_dissector";
const char *cfg_map_name = "jmp_table";
@@ -21,46 +22,13 @@ char *cfg_path_name;
static void load_and_attach_program(void)
{
- struct bpf_program *prog, *main_prog;
- struct bpf_map *prog_array;
- int i, fd, prog_fd, ret;
+ int prog_fd, ret;
struct bpf_object *obj;
- int prog_array_fd;
- ret = bpf_prog_load(cfg_path_name, BPF_PROG_TYPE_FLOW_DISSECTOR, &obj,
- &prog_fd);
+ ret = bpf_flow_load(&obj, cfg_path_name, cfg_section_name,
+ cfg_map_name, NULL, &prog_fd, NULL);
if (ret)
- error(1, 0, "bpf_prog_load %s", cfg_path_name);
-
- main_prog = bpf_object__find_program_by_title(obj, cfg_section_name);
- if (!main_prog)
- error(1, 0, "bpf_object__find_program_by_title %s",
- cfg_section_name);
-
- prog_fd = bpf_program__fd(main_prog);
- if (prog_fd < 0)
- error(1, 0, "bpf_program__fd");
-
- prog_array = bpf_object__find_map_by_name(obj, cfg_map_name);
- if (!prog_array)
- error(1, 0, "bpf_object__find_map_by_name %s", cfg_map_name);
-
- prog_array_fd = bpf_map__fd(prog_array);
- if (prog_array_fd < 0)
- error(1, 0, "bpf_map__fd %s", cfg_map_name);
-
- i = 0;
- bpf_object__for_each_program(prog, obj) {
- fd = bpf_program__fd(prog);
- if (fd < 0)
- error(1, 0, "bpf_program__fd");
-
- if (fd != prog_fd) {
- printf("%d: %s\n", i, bpf_program__title(prog, false));
- bpf_map_update_elem(prog_array_fd, &i, &fd, BPF_ANY);
- ++i;
- }
- }
+ error(1, 0, "bpf_flow_load %s", cfg_path_name);
ret = bpf_prog_attach(prog_fd, 0 /* Ignore */, BPF_FLOW_DISSECTOR, 0);
if (ret)
@@ -69,7 +37,6 @@ static void load_and_attach_program(void)
ret = bpf_object__pin(obj, cfg_pin_path);
if (ret)
error(1, 0, "bpf_object__pin %s", cfg_pin_path);
-
}
static void detach_program(void)
@@ -85,7 +52,7 @@ static void detach_program(void)
sprintf(command, "rm -r %s", cfg_pin_path);
ret = system(command);
if (ret)
- error(1, errno, command);
+ error(1, errno, "%s", command);
}
static void parse_opts(int argc, char **argv)
diff --git a/tools/testing/selftests/bpf/flow_dissector_load.h b/tools/testing/selftests/bpf/flow_dissector_load.h
new file mode 100644
index 000000000000..daeaeb518894
--- /dev/null
+++ b/tools/testing/selftests/bpf/flow_dissector_load.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+#ifndef FLOW_DISSECTOR_LOAD
+#define FLOW_DISSECTOR_LOAD
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+static inline int bpf_flow_load(struct bpf_object **obj,
+ const char *path,
+ const char *section_name,
+ const char *map_name,
+ const char *keys_map_name,
+ int *prog_fd,
+ int *keys_fd)
+{
+ struct bpf_program *prog, *main_prog;
+ struct bpf_map *prog_array, *keys;
+ int prog_array_fd;
+ int ret, fd, i;
+
+ ret = bpf_prog_load(path, BPF_PROG_TYPE_FLOW_DISSECTOR, obj,
+ prog_fd);
+ if (ret)
+ return ret;
+
+ main_prog = bpf_object__find_program_by_title(*obj, section_name);
+ if (!main_prog)
+ return -1;
+
+ *prog_fd = bpf_program__fd(main_prog);
+ if (*prog_fd < 0)
+ return -1;
+
+ prog_array = bpf_object__find_map_by_name(*obj, map_name);
+ if (!prog_array)
+ return -1;
+
+ prog_array_fd = bpf_map__fd(prog_array);
+ if (prog_array_fd < 0)
+ return -1;
+
+ if (keys_map_name && keys_fd) {
+ keys = bpf_object__find_map_by_name(*obj, keys_map_name);
+ if (!keys)
+ return -1;
+
+ *keys_fd = bpf_map__fd(keys);
+ if (*keys_fd < 0)
+ return -1;
+ }
+
+ i = 0;
+ bpf_object__for_each_program(prog, *obj) {
+ fd = bpf_program__fd(prog);
+ if (fd < 0)
+ return fd;
+
+ if (fd != *prog_fd) {
+ bpf_map_update_elem(prog_array_fd, &i, &fd, BPF_ANY);
+ ++i;
+ }
+ }
+
+ return 0;
+}
+
+#endif /* FLOW_DISSECTOR_LOAD */
diff --git a/tools/testing/selftests/bpf/map_tests/.gitignore b/tools/testing/selftests/bpf/map_tests/.gitignore
new file mode 100644
index 000000000000..45984a364647
--- /dev/null
+++ b/tools/testing/selftests/bpf/map_tests/.gitignore
@@ -0,0 +1 @@
+tests.h
diff --git a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c
new file mode 100644
index 000000000000..e569edc679d8
--- /dev/null
+++ b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c
@@ -0,0 +1,629 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <linux/compiler.h>
+#include <linux/err.h>
+
+#include <sys/resource.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <linux/btf.h>
+#include <unistd.h>
+#include <signal.h>
+#include <errno.h>
+#include <string.h>
+#include <pthread.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include <test_btf.h>
+#include <test_maps.h>
+
+static struct bpf_create_map_attr xattr = {
+ .name = "sk_storage_map",
+ .map_type = BPF_MAP_TYPE_SK_STORAGE,
+ .map_flags = BPF_F_NO_PREALLOC,
+ .max_entries = 0,
+ .key_size = 4,
+ .value_size = 8,
+ .btf_key_type_id = 1,
+ .btf_value_type_id = 3,
+ .btf_fd = -1,
+};
+
+static unsigned int nr_sk_threads_done;
+static unsigned int nr_sk_threads_err;
+static unsigned int nr_sk_per_thread = 4096;
+static unsigned int nr_sk_threads = 4;
+static int sk_storage_map = -1;
+static unsigned int stop;
+static int runtime_s = 5;
+
+static bool is_stopped(void)
+{
+ return READ_ONCE(stop);
+}
+
+static unsigned int threads_err(void)
+{
+ return READ_ONCE(nr_sk_threads_err);
+}
+
+static void notify_thread_err(void)
+{
+ __sync_add_and_fetch(&nr_sk_threads_err, 1);
+}
+
+static bool wait_for_threads_err(void)
+{
+ while (!is_stopped() && !threads_err())
+ usleep(500);
+
+ return !is_stopped();
+}
+
+static unsigned int threads_done(void)
+{
+ return READ_ONCE(nr_sk_threads_done);
+}
+
+static void notify_thread_done(void)
+{
+ __sync_add_and_fetch(&nr_sk_threads_done, 1);
+}
+
+static void notify_thread_redo(void)
+{
+ __sync_sub_and_fetch(&nr_sk_threads_done, 1);
+}
+
+static bool wait_for_threads_done(void)
+{
+ while (threads_done() != nr_sk_threads && !is_stopped() &&
+ !threads_err())
+ usleep(50);
+
+ return !is_stopped() && !threads_err();
+}
+
+static bool wait_for_threads_redo(void)
+{
+ while (threads_done() && !is_stopped() && !threads_err())
+ usleep(50);
+
+ return !is_stopped() && !threads_err();
+}
+
+static bool wait_for_map(void)
+{
+ while (READ_ONCE(sk_storage_map) == -1 && !is_stopped())
+ usleep(50);
+
+ return !is_stopped();
+}
+
+static bool wait_for_map_close(void)
+{
+ while (READ_ONCE(sk_storage_map) != -1 && !is_stopped())
+ ;
+
+ return !is_stopped();
+}
+
+static int load_btf(void)
+{
+ const char btf_str_sec[] = "\0bpf_spin_lock\0val\0cnt\0l";
+ __u32 btf_raw_types[] = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* struct bpf_spin_lock */ /* [2] */
+ BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),
+ BTF_MEMBER_ENC(15, 1, 0), /* int val; */
+ /* struct val */ /* [3] */
+ BTF_TYPE_ENC(15, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
+ BTF_MEMBER_ENC(19, 1, 0), /* int cnt; */
+ BTF_MEMBER_ENC(23, 2, 32),/* struct bpf_spin_lock l; */
+ };
+ struct btf_header btf_hdr = {
+ .magic = BTF_MAGIC,
+ .version = BTF_VERSION,
+ .hdr_len = sizeof(struct btf_header),
+ .type_len = sizeof(btf_raw_types),
+ .str_off = sizeof(btf_raw_types),
+ .str_len = sizeof(btf_str_sec),
+ };
+ __u8 raw_btf[sizeof(struct btf_header) + sizeof(btf_raw_types) +
+ sizeof(btf_str_sec)];
+
+ memcpy(raw_btf, &btf_hdr, sizeof(btf_hdr));
+ memcpy(raw_btf + sizeof(btf_hdr), btf_raw_types, sizeof(btf_raw_types));
+ memcpy(raw_btf + sizeof(btf_hdr) + sizeof(btf_raw_types),
+ btf_str_sec, sizeof(btf_str_sec));
+
+ return bpf_load_btf(raw_btf, sizeof(raw_btf), 0, 0, 0);
+}
+
+static int create_sk_storage_map(void)
+{
+ int btf_fd, map_fd;
+
+ btf_fd = load_btf();
+ CHECK(btf_fd == -1, "bpf_load_btf", "btf_fd:%d errno:%d\n",
+ btf_fd, errno);
+ xattr.btf_fd = btf_fd;
+
+ map_fd = bpf_create_map_xattr(&xattr);
+ xattr.btf_fd = -1;
+ close(btf_fd);
+ CHECK(map_fd == -1,
+ "bpf_create_map_xattr()", "errno:%d\n", errno);
+
+ return map_fd;
+}
+
+static void *insert_close_thread(void *arg)
+{
+ struct {
+ int cnt;
+ int lock;
+ } value = { .cnt = 0xeB9F, .lock = 0, };
+ int i, map_fd, err, *sk_fds;
+
+ sk_fds = malloc(sizeof(*sk_fds) * nr_sk_per_thread);
+ if (!sk_fds) {
+ notify_thread_err();
+ return ERR_PTR(-ENOMEM);
+ }
+
+ for (i = 0; i < nr_sk_per_thread; i++)
+ sk_fds[i] = -1;
+
+ while (!is_stopped()) {
+ if (!wait_for_map())
+ goto close_all;
+
+ map_fd = READ_ONCE(sk_storage_map);
+ for (i = 0; i < nr_sk_per_thread && !is_stopped(); i++) {
+ sk_fds[i] = socket(AF_INET6, SOCK_STREAM, 0);
+ if (sk_fds[i] == -1) {
+ err = -errno;
+ fprintf(stderr, "socket(): errno:%d\n", errno);
+ goto errout;
+ }
+ err = bpf_map_update_elem(map_fd, &sk_fds[i], &value,
+ BPF_NOEXIST);
+ if (err) {
+ err = -errno;
+ fprintf(stderr,
+ "bpf_map_update_elem(): errno:%d\n",
+ errno);
+ goto errout;
+ }
+ }
+
+ notify_thread_done();
+ wait_for_map_close();
+
+close_all:
+ for (i = 0; i < nr_sk_per_thread; i++) {
+ close(sk_fds[i]);
+ sk_fds[i] = -1;
+ }
+
+ notify_thread_redo();
+ }
+
+ free(sk_fds);
+ return NULL;
+
+errout:
+ for (i = 0; i < nr_sk_per_thread && sk_fds[i] != -1; i++)
+ close(sk_fds[i]);
+ free(sk_fds);
+ notify_thread_err();
+ return ERR_PTR(err);
+}
+
+static int do_sk_storage_map_stress_free(void)
+{
+ int i, map_fd = -1, err = 0, nr_threads_created = 0;
+ pthread_t *sk_thread_ids;
+ void *thread_ret;
+
+ sk_thread_ids = malloc(sizeof(pthread_t) * nr_sk_threads);
+ if (!sk_thread_ids) {
+ fprintf(stderr, "malloc(sk_threads): NULL\n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < nr_sk_threads; i++) {
+ err = pthread_create(&sk_thread_ids[i], NULL,
+ insert_close_thread, NULL);
+ if (err) {
+ err = -errno;
+ goto done;
+ }
+ nr_threads_created++;
+ }
+
+ while (!is_stopped()) {
+ map_fd = create_sk_storage_map();
+ WRITE_ONCE(sk_storage_map, map_fd);
+
+ if (!wait_for_threads_done())
+ break;
+
+ WRITE_ONCE(sk_storage_map, -1);
+ close(map_fd);
+ map_fd = -1;
+
+ if (!wait_for_threads_redo())
+ break;
+ }
+
+done:
+ WRITE_ONCE(stop, 1);
+ for (i = 0; i < nr_threads_created; i++) {
+ pthread_join(sk_thread_ids[i], &thread_ret);
+ if (IS_ERR(thread_ret) && !err) {
+ err = PTR_ERR(thread_ret);
+ fprintf(stderr, "threads#%u: err:%d\n", i, err);
+ }
+ }
+ free(sk_thread_ids);
+
+ if (map_fd != -1)
+ close(map_fd);
+
+ return err;
+}
+
+static void *update_thread(void *arg)
+{
+ struct {
+ int cnt;
+ int lock;
+ } value = { .cnt = 0xeB9F, .lock = 0, };
+ int map_fd = READ_ONCE(sk_storage_map);
+ int sk_fd = *(int *)arg;
+ int err = 0; /* Suppress compiler false alarm */
+
+ while (!is_stopped()) {
+ err = bpf_map_update_elem(map_fd, &sk_fd, &value, 0);
+ if (err && errno != EAGAIN) {
+ err = -errno;
+ fprintf(stderr, "bpf_map_update_elem: %d %d\n",
+ err, errno);
+ break;
+ }
+ }
+
+ if (!is_stopped()) {
+ notify_thread_err();
+ return ERR_PTR(err);
+ }
+
+ return NULL;
+}
+
+static void *delete_thread(void *arg)
+{
+ int map_fd = READ_ONCE(sk_storage_map);
+ int sk_fd = *(int *)arg;
+ int err = 0; /* Suppress compiler false alarm */
+
+ while (!is_stopped()) {
+ err = bpf_map_delete_elem(map_fd, &sk_fd);
+ if (err && errno != ENOENT) {
+ err = -errno;
+ fprintf(stderr, "bpf_map_delete_elem: %d %d\n",
+ err, errno);
+ break;
+ }
+ }
+
+ if (!is_stopped()) {
+ notify_thread_err();
+ return ERR_PTR(err);
+ }
+
+ return NULL;
+}
+
+static int do_sk_storage_map_stress_change(void)
+{
+ int i, sk_fd, map_fd = -1, err = 0, nr_threads_created = 0;
+ pthread_t *sk_thread_ids;
+ void *thread_ret;
+
+ sk_thread_ids = malloc(sizeof(pthread_t) * nr_sk_threads);
+ if (!sk_thread_ids) {
+ fprintf(stderr, "malloc(sk_threads): NULL\n");
+ return -ENOMEM;
+ }
+
+ sk_fd = socket(AF_INET6, SOCK_STREAM, 0);
+ if (sk_fd == -1) {
+ err = -errno;
+ goto done;
+ }
+
+ map_fd = create_sk_storage_map();
+ WRITE_ONCE(sk_storage_map, map_fd);
+
+ for (i = 0; i < nr_sk_threads; i++) {
+ if (i & 0x1)
+ err = pthread_create(&sk_thread_ids[i], NULL,
+ update_thread, &sk_fd);
+ else
+ err = pthread_create(&sk_thread_ids[i], NULL,
+ delete_thread, &sk_fd);
+ if (err) {
+ err = -errno;
+ goto done;
+ }
+ nr_threads_created++;
+ }
+
+ wait_for_threads_err();
+
+done:
+ WRITE_ONCE(stop, 1);
+ for (i = 0; i < nr_threads_created; i++) {
+ pthread_join(sk_thread_ids[i], &thread_ret);
+ if (IS_ERR(thread_ret) && !err) {
+ err = PTR_ERR(thread_ret);
+ fprintf(stderr, "threads#%u: err:%d\n", i, err);
+ }
+ }
+ free(sk_thread_ids);
+
+ if (sk_fd != -1)
+ close(sk_fd);
+ close(map_fd);
+
+ return err;
+}
+
+static void stop_handler(int signum)
+{
+ if (signum != SIGALRM)
+ printf("stopping...\n");
+ WRITE_ONCE(stop, 1);
+}
+
+#define BPF_SK_STORAGE_MAP_TEST_NR_THREADS "BPF_SK_STORAGE_MAP_TEST_NR_THREADS"
+#define BPF_SK_STORAGE_MAP_TEST_SK_PER_THREAD "BPF_SK_STORAGE_MAP_TEST_SK_PER_THREAD"
+#define BPF_SK_STORAGE_MAP_TEST_RUNTIME_S "BPF_SK_STORAGE_MAP_TEST_RUNTIME_S"
+#define BPF_SK_STORAGE_MAP_TEST_NAME "BPF_SK_STORAGE_MAP_TEST_NAME"
+
+static void test_sk_storage_map_stress_free(void)
+{
+ struct rlimit rlim_old, rlim_new = {};
+ int err;
+
+ getrlimit(RLIMIT_NOFILE, &rlim_old);
+
+ signal(SIGTERM, stop_handler);
+ signal(SIGINT, stop_handler);
+ if (runtime_s > 0) {
+ signal(SIGALRM, stop_handler);
+ alarm(runtime_s);
+ }
+
+ if (rlim_old.rlim_cur < nr_sk_threads * nr_sk_per_thread) {
+ rlim_new.rlim_cur = nr_sk_threads * nr_sk_per_thread + 128;
+ rlim_new.rlim_max = rlim_new.rlim_cur + 128;
+ err = setrlimit(RLIMIT_NOFILE, &rlim_new);
+ CHECK(err, "setrlimit(RLIMIT_NOFILE)", "rlim_new:%lu errno:%d",
+ rlim_new.rlim_cur, errno);
+ }
+
+ err = do_sk_storage_map_stress_free();
+
+ signal(SIGTERM, SIG_DFL);
+ signal(SIGINT, SIG_DFL);
+ if (runtime_s > 0) {
+ signal(SIGALRM, SIG_DFL);
+ alarm(0);
+ }
+
+ if (rlim_new.rlim_cur)
+ setrlimit(RLIMIT_NOFILE, &rlim_old);
+
+ CHECK(err, "test_sk_storage_map_stress_free", "err:%d\n", err);
+}
+
+static void test_sk_storage_map_stress_change(void)
+{
+ int err;
+
+ signal(SIGTERM, stop_handler);
+ signal(SIGINT, stop_handler);
+ if (runtime_s > 0) {
+ signal(SIGALRM, stop_handler);
+ alarm(runtime_s);
+ }
+
+ err = do_sk_storage_map_stress_change();
+
+ signal(SIGTERM, SIG_DFL);
+ signal(SIGINT, SIG_DFL);
+ if (runtime_s > 0) {
+ signal(SIGALRM, SIG_DFL);
+ alarm(0);
+ }
+
+ CHECK(err, "test_sk_storage_map_stress_change", "err:%d\n", err);
+}
+
+static void test_sk_storage_map_basic(void)
+{
+ struct {
+ int cnt;
+ int lock;
+ } value = { .cnt = 0xeB9f, .lock = 0, }, lookup_value;
+ struct bpf_create_map_attr bad_xattr;
+ int btf_fd, map_fd, sk_fd, err;
+
+ btf_fd = load_btf();
+ CHECK(btf_fd == -1, "bpf_load_btf", "btf_fd:%d errno:%d\n",
+ btf_fd, errno);
+ xattr.btf_fd = btf_fd;
+
+ sk_fd = socket(AF_INET6, SOCK_STREAM, 0);
+ CHECK(sk_fd == -1, "socket()", "sk_fd:%d errno:%d\n",
+ sk_fd, errno);
+
+ map_fd = bpf_create_map_xattr(&xattr);
+ CHECK(map_fd == -1, "bpf_create_map_xattr(good_xattr)",
+ "map_fd:%d errno:%d\n", map_fd, errno);
+
+ /* Add new elem */
+ memcpy(&lookup_value, &value, sizeof(value));
+ err = bpf_map_update_elem(map_fd, &sk_fd, &value,
+ BPF_NOEXIST | BPF_F_LOCK);
+ CHECK(err, "bpf_map_update_elem(BPF_NOEXIST|BPF_F_LOCK)",
+ "err:%d errno:%d\n", err, errno);
+ err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+ BPF_F_LOCK);
+ CHECK(err || lookup_value.cnt != value.cnt,
+ "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+ "err:%d errno:%d cnt:%x(%x)\n",
+ err, errno, lookup_value.cnt, value.cnt);
+
+ /* Bump the cnt and update with BPF_EXIST | BPF_F_LOCK */
+ value.cnt += 1;
+ err = bpf_map_update_elem(map_fd, &sk_fd, &value,
+ BPF_EXIST | BPF_F_LOCK);
+ CHECK(err, "bpf_map_update_elem(BPF_EXIST|BPF_F_LOCK)",
+ "err:%d errno:%d\n", err, errno);
+ err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+ BPF_F_LOCK);
+ CHECK(err || lookup_value.cnt != value.cnt,
+ "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+ "err:%d errno:%d cnt:%x(%x)\n",
+ err, errno, lookup_value.cnt, value.cnt);
+
+ /* Bump the cnt and update with BPF_EXIST */
+ value.cnt += 1;
+ err = bpf_map_update_elem(map_fd, &sk_fd, &value, BPF_EXIST);
+ CHECK(err, "bpf_map_update_elem(BPF_EXIST)",
+ "err:%d errno:%d\n", err, errno);
+ err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+ BPF_F_LOCK);
+ CHECK(err || lookup_value.cnt != value.cnt,
+ "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+ "err:%d errno:%d cnt:%x(%x)\n",
+ err, errno, lookup_value.cnt, value.cnt);
+
+ /* Update with BPF_NOEXIST */
+ value.cnt += 1;
+ err = bpf_map_update_elem(map_fd, &sk_fd, &value,
+ BPF_NOEXIST | BPF_F_LOCK);
+ CHECK(!err || errno != EEXIST,
+ "bpf_map_update_elem(BPF_NOEXIST|BPF_F_LOCK)",
+ "err:%d errno:%d\n", err, errno);
+ err = bpf_map_update_elem(map_fd, &sk_fd, &value, BPF_NOEXIST);
+ CHECK(!err || errno != EEXIST, "bpf_map_update_elem(BPF_NOEXIST)",
+ "err:%d errno:%d\n", err, errno);
+ value.cnt -= 1;
+ err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+ BPF_F_LOCK);
+ CHECK(err || lookup_value.cnt != value.cnt,
+ "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+ "err:%d errno:%d cnt:%x(%x)\n",
+ err, errno, lookup_value.cnt, value.cnt);
+
+ /* Bump the cnt again and update with map_flags == 0 */
+ value.cnt += 1;
+ err = bpf_map_update_elem(map_fd, &sk_fd, &value, 0);
+ CHECK(err, "bpf_map_update_elem()", "err:%d errno:%d\n",
+ err, errno);
+ err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+ BPF_F_LOCK);
+ CHECK(err || lookup_value.cnt != value.cnt,
+ "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+ "err:%d errno:%d cnt:%x(%x)\n",
+ err, errno, lookup_value.cnt, value.cnt);
+
+ /* Test delete elem */
+ err = bpf_map_delete_elem(map_fd, &sk_fd);
+ CHECK(err, "bpf_map_delete_elem()", "err:%d errno:%d\n",
+ err, errno);
+ err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+ BPF_F_LOCK);
+ CHECK(!err || errno != ENOENT,
+ "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+ "err:%d errno:%d\n", err, errno);
+ err = bpf_map_delete_elem(map_fd, &sk_fd);
+ CHECK(!err || errno != ENOENT, "bpf_map_delete_elem()",
+ "err:%d errno:%d\n", err, errno);
+
+ memcpy(&bad_xattr, &xattr, sizeof(xattr));
+ bad_xattr.btf_key_type_id = 0;
+ err = bpf_create_map_xattr(&bad_xattr);
+ CHECK(!err || errno != EINVAL, "bap_create_map_xattr(bad_xattr)",
+ "err:%d errno:%d\n", err, errno);
+
+ memcpy(&bad_xattr, &xattr, sizeof(xattr));
+ bad_xattr.btf_key_type_id = 3;
+ err = bpf_create_map_xattr(&bad_xattr);
+ CHECK(!err || errno != EINVAL, "bap_create_map_xattr(bad_xattr)",
+ "err:%d errno:%d\n", err, errno);
+
+ memcpy(&bad_xattr, &xattr, sizeof(xattr));
+ bad_xattr.max_entries = 1;
+ err = bpf_create_map_xattr(&bad_xattr);
+ CHECK(!err || errno != EINVAL, "bap_create_map_xattr(bad_xattr)",
+ "err:%d errno:%d\n", err, errno);
+
+ memcpy(&bad_xattr, &xattr, sizeof(xattr));
+ bad_xattr.map_flags = 0;
+ err = bpf_create_map_xattr(&bad_xattr);
+ CHECK(!err || errno != EINVAL, "bap_create_map_xattr(bad_xattr)",
+ "err:%d errno:%d\n", err, errno);
+
+ xattr.btf_fd = -1;
+ close(btf_fd);
+ close(map_fd);
+ close(sk_fd);
+}
+
+void test_sk_storage_map(void)
+{
+ const char *test_name, *env_opt;
+ bool test_ran = false;
+
+ test_name = getenv(BPF_SK_STORAGE_MAP_TEST_NAME);
+
+ env_opt = getenv(BPF_SK_STORAGE_MAP_TEST_NR_THREADS);
+ if (env_opt)
+ nr_sk_threads = atoi(env_opt);
+
+ env_opt = getenv(BPF_SK_STORAGE_MAP_TEST_SK_PER_THREAD);
+ if (env_opt)
+ nr_sk_per_thread = atoi(env_opt);
+
+ env_opt = getenv(BPF_SK_STORAGE_MAP_TEST_RUNTIME_S);
+ if (env_opt)
+ runtime_s = atoi(env_opt);
+
+ if (!test_name || !strcmp(test_name, "basic")) {
+ test_sk_storage_map_basic();
+ test_ran = true;
+ }
+ if (!test_name || !strcmp(test_name, "stress_free")) {
+ test_sk_storage_map_stress_free();
+ test_ran = true;
+ }
+ if (!test_name || !strcmp(test_name, "stress_change")) {
+ test_sk_storage_map_stress_change();
+ test_ran = true;
+ }
+
+ if (test_ran)
+ printf("%s:PASS\n", __func__);
+ else
+ CHECK(1, "Invalid test_name", "%s\n", test_name);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/.gitignore b/tools/testing/selftests/bpf/prog_tests/.gitignore
new file mode 100644
index 000000000000..45984a364647
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/.gitignore
@@ -0,0 +1 @@
+tests.h
diff --git a/tools/testing/selftests/bpf/prog_tests/attach_probe.c b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
new file mode 100644
index 000000000000..a4686395522c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+ssize_t get_base_addr() {
+ size_t start;
+ char buf[256];
+ FILE *f;
+
+ f = fopen("/proc/self/maps", "r");
+ if (!f)
+ return -errno;
+
+ while (fscanf(f, "%zx-%*x %s %*s\n", &start, buf) == 2) {
+ if (strcmp(buf, "r-xp") == 0) {
+ fclose(f);
+ return start;
+ }
+ }
+
+ fclose(f);
+ return -EINVAL;
+}
+
+#ifdef __x86_64__
+#define SYS_KPROBE_NAME "__x64_sys_nanosleep"
+#else
+#define SYS_KPROBE_NAME "sys_nanosleep"
+#endif
+
+void test_attach_probe(void)
+{
+ const char *kprobe_name = "kprobe/sys_nanosleep";
+ const char *kretprobe_name = "kretprobe/sys_nanosleep";
+ const char *uprobe_name = "uprobe/trigger_func";
+ const char *uretprobe_name = "uretprobe/trigger_func";
+ const int kprobe_idx = 0, kretprobe_idx = 1;
+ const int uprobe_idx = 2, uretprobe_idx = 3;
+ const char *file = "./test_attach_probe.o";
+ struct bpf_program *kprobe_prog, *kretprobe_prog;
+ struct bpf_program *uprobe_prog, *uretprobe_prog;
+ struct bpf_object *obj;
+ int err, prog_fd, duration = 0, res;
+ struct bpf_link *kprobe_link = NULL;
+ struct bpf_link *kretprobe_link = NULL;
+ struct bpf_link *uprobe_link = NULL;
+ struct bpf_link *uretprobe_link = NULL;
+ int results_map_fd;
+ size_t uprobe_offset;
+ ssize_t base_addr;
+
+ base_addr = get_base_addr();
+ if (CHECK(base_addr < 0, "get_base_addr",
+ "failed to find base addr: %zd", base_addr))
+ return;
+ uprobe_offset = (size_t)&get_base_addr - base_addr;
+
+ /* load programs */
+ err = bpf_prog_load(file, BPF_PROG_TYPE_KPROBE, &obj, &prog_fd);
+ if (CHECK(err, "obj_load", "err %d errno %d\n", err, errno))
+ return;
+
+ kprobe_prog = bpf_object__find_program_by_title(obj, kprobe_name);
+ if (CHECK(!kprobe_prog, "find_probe",
+ "prog '%s' not found\n", kprobe_name))
+ goto cleanup;
+ kretprobe_prog = bpf_object__find_program_by_title(obj, kretprobe_name);
+ if (CHECK(!kretprobe_prog, "find_probe",
+ "prog '%s' not found\n", kretprobe_name))
+ goto cleanup;
+ uprobe_prog = bpf_object__find_program_by_title(obj, uprobe_name);
+ if (CHECK(!uprobe_prog, "find_probe",
+ "prog '%s' not found\n", uprobe_name))
+ goto cleanup;
+ uretprobe_prog = bpf_object__find_program_by_title(obj, uretprobe_name);
+ if (CHECK(!uretprobe_prog, "find_probe",
+ "prog '%s' not found\n", uretprobe_name))
+ goto cleanup;
+
+ /* load maps */
+ results_map_fd = bpf_find_map(__func__, obj, "results_map");
+ if (CHECK(results_map_fd < 0, "find_results_map",
+ "err %d\n", results_map_fd))
+ goto cleanup;
+
+ kprobe_link = bpf_program__attach_kprobe(kprobe_prog,
+ false /* retprobe */,
+ SYS_KPROBE_NAME);
+ if (CHECK(IS_ERR(kprobe_link), "attach_kprobe",
+ "err %ld\n", PTR_ERR(kprobe_link))) {
+ kprobe_link = NULL;
+ goto cleanup;
+ }
+ kretprobe_link = bpf_program__attach_kprobe(kretprobe_prog,
+ true /* retprobe */,
+ SYS_KPROBE_NAME);
+ if (CHECK(IS_ERR(kretprobe_link), "attach_kretprobe",
+ "err %ld\n", PTR_ERR(kretprobe_link))) {
+ kretprobe_link = NULL;
+ goto cleanup;
+ }
+ uprobe_link = bpf_program__attach_uprobe(uprobe_prog,
+ false /* retprobe */,
+ 0 /* self pid */,
+ "/proc/self/exe",
+ uprobe_offset);
+ if (CHECK(IS_ERR(uprobe_link), "attach_uprobe",
+ "err %ld\n", PTR_ERR(uprobe_link))) {
+ uprobe_link = NULL;
+ goto cleanup;
+ }
+ uretprobe_link = bpf_program__attach_uprobe(uretprobe_prog,
+ true /* retprobe */,
+ -1 /* any pid */,
+ "/proc/self/exe",
+ uprobe_offset);
+ if (CHECK(IS_ERR(uretprobe_link), "attach_uretprobe",
+ "err %ld\n", PTR_ERR(uretprobe_link))) {
+ uretprobe_link = NULL;
+ goto cleanup;
+ }
+
+ /* trigger & validate kprobe && kretprobe */
+ usleep(1);
+
+ err = bpf_map_lookup_elem(results_map_fd, &kprobe_idx, &res);
+ if (CHECK(err, "get_kprobe_res",
+ "failed to get kprobe res: %d\n", err))
+ goto cleanup;
+ if (CHECK(res != kprobe_idx + 1, "check_kprobe_res",
+ "wrong kprobe res: %d\n", res))
+ goto cleanup;
+
+ err = bpf_map_lookup_elem(results_map_fd, &kretprobe_idx, &res);
+ if (CHECK(err, "get_kretprobe_res",
+ "failed to get kretprobe res: %d\n", err))
+ goto cleanup;
+ if (CHECK(res != kretprobe_idx + 1, "check_kretprobe_res",
+ "wrong kretprobe res: %d\n", res))
+ goto cleanup;
+
+ /* trigger & validate uprobe & uretprobe */
+ get_base_addr();
+
+ err = bpf_map_lookup_elem(results_map_fd, &uprobe_idx, &res);
+ if (CHECK(err, "get_uprobe_res",
+ "failed to get uprobe res: %d\n", err))
+ goto cleanup;
+ if (CHECK(res != uprobe_idx + 1, "check_uprobe_res",
+ "wrong uprobe res: %d\n", res))
+ goto cleanup;
+
+ err = bpf_map_lookup_elem(results_map_fd, &uretprobe_idx, &res);
+ if (CHECK(err, "get_uretprobe_res",
+ "failed to get uretprobe res: %d\n", err))
+ goto cleanup;
+ if (CHECK(res != uretprobe_idx + 1, "check_uretprobe_res",
+ "wrong uretprobe res: %d\n", res))
+ goto cleanup;
+
+cleanup:
+ bpf_link__destroy(kprobe_link);
+ bpf_link__destroy(kretprobe_link);
+ bpf_link__destroy(uprobe_link);
+ bpf_link__destroy(uretprobe_link);
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
new file mode 100644
index 000000000000..cb827383db4d
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
@@ -0,0 +1,249 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_bpf_obj_id(void)
+{
+ const __u64 array_magic_value = 0xfaceb00c;
+ const __u32 array_key = 0;
+ const int nr_iters = 2;
+ const char *file = "./test_obj_id.o";
+ const char *expected_prog_name = "test_obj_id";
+ const char *expected_map_name = "test_map_id";
+ const __u64 nsec_per_sec = 1000000000;
+
+ struct bpf_object *objs[nr_iters];
+ int prog_fds[nr_iters], map_fds[nr_iters];
+ /* +1 to test for the info_len returned by kernel */
+ struct bpf_prog_info prog_infos[nr_iters + 1];
+ struct bpf_map_info map_infos[nr_iters + 1];
+ /* Each prog only uses one map. +1 to test nr_map_ids
+ * returned by kernel.
+ */
+ __u32 map_ids[nr_iters + 1];
+ char jited_insns[128], xlated_insns[128], zeros[128];
+ __u32 i, next_id, info_len, nr_id_found, duration = 0;
+ struct timespec real_time_ts, boot_time_ts;
+ int err = 0;
+ __u64 array_value;
+ uid_t my_uid = getuid();
+ time_t now, load_time;
+
+ err = bpf_prog_get_fd_by_id(0);
+ CHECK(err >= 0 || errno != ENOENT,
+ "get-fd-by-notexist-prog-id", "err %d errno %d\n", err, errno);
+
+ err = bpf_map_get_fd_by_id(0);
+ CHECK(err >= 0 || errno != ENOENT,
+ "get-fd-by-notexist-map-id", "err %d errno %d\n", err, errno);
+
+ for (i = 0; i < nr_iters; i++)
+ objs[i] = NULL;
+
+ /* Check bpf_obj_get_info_by_fd() */
+ bzero(zeros, sizeof(zeros));
+ for (i = 0; i < nr_iters; i++) {
+ now = time(NULL);
+ err = bpf_prog_load(file, BPF_PROG_TYPE_SOCKET_FILTER,
+ &objs[i], &prog_fds[i]);
+ /* test_obj_id.o is a dumb prog. It should never fail
+ * to load.
+ */
+ if (err)
+ error_cnt++;
+ assert(!err);
+
+ /* Insert a magic value to the map */
+ map_fds[i] = bpf_find_map(__func__, objs[i], "test_map_id");
+ assert(map_fds[i] >= 0);
+ err = bpf_map_update_elem(map_fds[i], &array_key,
+ &array_magic_value, 0);
+ assert(!err);
+
+ /* Check getting map info */
+ info_len = sizeof(struct bpf_map_info) * 2;
+ bzero(&map_infos[i], info_len);
+ err = bpf_obj_get_info_by_fd(map_fds[i], &map_infos[i],
+ &info_len);
+ if (CHECK(err ||
+ map_infos[i].type != BPF_MAP_TYPE_ARRAY ||
+ map_infos[i].key_size != sizeof(__u32) ||
+ map_infos[i].value_size != sizeof(__u64) ||
+ map_infos[i].max_entries != 1 ||
+ map_infos[i].map_flags != 0 ||
+ info_len != sizeof(struct bpf_map_info) ||
+ strcmp((char *)map_infos[i].name, expected_map_name),
+ "get-map-info(fd)",
+ "err %d errno %d type %d(%d) info_len %u(%zu) key_size %u value_size %u max_entries %u map_flags %X name %s(%s)\n",
+ err, errno,
+ map_infos[i].type, BPF_MAP_TYPE_ARRAY,
+ info_len, sizeof(struct bpf_map_info),
+ map_infos[i].key_size,
+ map_infos[i].value_size,
+ map_infos[i].max_entries,
+ map_infos[i].map_flags,
+ map_infos[i].name, expected_map_name))
+ goto done;
+
+ /* Check getting prog info */
+ info_len = sizeof(struct bpf_prog_info) * 2;
+ bzero(&prog_infos[i], info_len);
+ bzero(jited_insns, sizeof(jited_insns));
+ bzero(xlated_insns, sizeof(xlated_insns));
+ prog_infos[i].jited_prog_insns = ptr_to_u64(jited_insns);
+ prog_infos[i].jited_prog_len = sizeof(jited_insns);
+ prog_infos[i].xlated_prog_insns = ptr_to_u64(xlated_insns);
+ prog_infos[i].xlated_prog_len = sizeof(xlated_insns);
+ prog_infos[i].map_ids = ptr_to_u64(map_ids + i);
+ prog_infos[i].nr_map_ids = 2;
+ err = clock_gettime(CLOCK_REALTIME, &real_time_ts);
+ assert(!err);
+ err = clock_gettime(CLOCK_BOOTTIME, &boot_time_ts);
+ assert(!err);
+ err = bpf_obj_get_info_by_fd(prog_fds[i], &prog_infos[i],
+ &info_len);
+ load_time = (real_time_ts.tv_sec - boot_time_ts.tv_sec)
+ + (prog_infos[i].load_time / nsec_per_sec);
+ if (CHECK(err ||
+ prog_infos[i].type != BPF_PROG_TYPE_SOCKET_FILTER ||
+ info_len != sizeof(struct bpf_prog_info) ||
+ (jit_enabled && !prog_infos[i].jited_prog_len) ||
+ (jit_enabled &&
+ !memcmp(jited_insns, zeros, sizeof(zeros))) ||
+ !prog_infos[i].xlated_prog_len ||
+ !memcmp(xlated_insns, zeros, sizeof(zeros)) ||
+ load_time < now - 60 || load_time > now + 60 ||
+ prog_infos[i].created_by_uid != my_uid ||
+ prog_infos[i].nr_map_ids != 1 ||
+ *(int *)(long)prog_infos[i].map_ids != map_infos[i].id ||
+ strcmp((char *)prog_infos[i].name, expected_prog_name),
+ "get-prog-info(fd)",
+ "err %d errno %d i %d type %d(%d) info_len %u(%zu) jit_enabled %d jited_prog_len %u xlated_prog_len %u jited_prog %d xlated_prog %d load_time %lu(%lu) uid %u(%u) nr_map_ids %u(%u) map_id %u(%u) name %s(%s)\n",
+ err, errno, i,
+ prog_infos[i].type, BPF_PROG_TYPE_SOCKET_FILTER,
+ info_len, sizeof(struct bpf_prog_info),
+ jit_enabled,
+ prog_infos[i].jited_prog_len,
+ prog_infos[i].xlated_prog_len,
+ !!memcmp(jited_insns, zeros, sizeof(zeros)),
+ !!memcmp(xlated_insns, zeros, sizeof(zeros)),
+ load_time, now,
+ prog_infos[i].created_by_uid, my_uid,
+ prog_infos[i].nr_map_ids, 1,
+ *(int *)(long)prog_infos[i].map_ids, map_infos[i].id,
+ prog_infos[i].name, expected_prog_name))
+ goto done;
+ }
+
+ /* Check bpf_prog_get_next_id() */
+ nr_id_found = 0;
+ next_id = 0;
+ while (!bpf_prog_get_next_id(next_id, &next_id)) {
+ struct bpf_prog_info prog_info = {};
+ __u32 saved_map_id;
+ int prog_fd;
+
+ info_len = sizeof(prog_info);
+
+ prog_fd = bpf_prog_get_fd_by_id(next_id);
+ if (prog_fd < 0 && errno == ENOENT)
+ /* The bpf_prog is in the dead row */
+ continue;
+ if (CHECK(prog_fd < 0, "get-prog-fd(next_id)",
+ "prog_fd %d next_id %d errno %d\n",
+ prog_fd, next_id, errno))
+ break;
+
+ for (i = 0; i < nr_iters; i++)
+ if (prog_infos[i].id == next_id)
+ break;
+
+ if (i == nr_iters)
+ continue;
+
+ nr_id_found++;
+
+ /* Negative test:
+ * prog_info.nr_map_ids = 1
+ * prog_info.map_ids = NULL
+ */
+ prog_info.nr_map_ids = 1;
+ err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
+ if (CHECK(!err || errno != EFAULT,
+ "get-prog-fd-bad-nr-map-ids", "err %d errno %d(%d)",
+ err, errno, EFAULT))
+ break;
+ bzero(&prog_info, sizeof(prog_info));
+ info_len = sizeof(prog_info);
+
+ saved_map_id = *(int *)((long)prog_infos[i].map_ids);
+ prog_info.map_ids = prog_infos[i].map_ids;
+ prog_info.nr_map_ids = 2;
+ err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
+ prog_infos[i].jited_prog_insns = 0;
+ prog_infos[i].xlated_prog_insns = 0;
+ CHECK(err || info_len != sizeof(struct bpf_prog_info) ||
+ memcmp(&prog_info, &prog_infos[i], info_len) ||
+ *(int *)(long)prog_info.map_ids != saved_map_id,
+ "get-prog-info(next_id->fd)",
+ "err %d errno %d info_len %u(%zu) memcmp %d map_id %u(%u)\n",
+ err, errno, info_len, sizeof(struct bpf_prog_info),
+ memcmp(&prog_info, &prog_infos[i], info_len),
+ *(int *)(long)prog_info.map_ids, saved_map_id);
+ close(prog_fd);
+ }
+ CHECK(nr_id_found != nr_iters,
+ "check total prog id found by get_next_id",
+ "nr_id_found %u(%u)\n",
+ nr_id_found, nr_iters);
+
+ /* Check bpf_map_get_next_id() */
+ nr_id_found = 0;
+ next_id = 0;
+ while (!bpf_map_get_next_id(next_id, &next_id)) {
+ struct bpf_map_info map_info = {};
+ int map_fd;
+
+ info_len = sizeof(map_info);
+
+ map_fd = bpf_map_get_fd_by_id(next_id);
+ if (map_fd < 0 && errno == ENOENT)
+ /* The bpf_map is in the dead row */
+ continue;
+ if (CHECK(map_fd < 0, "get-map-fd(next_id)",
+ "map_fd %d next_id %u errno %d\n",
+ map_fd, next_id, errno))
+ break;
+
+ for (i = 0; i < nr_iters; i++)
+ if (map_infos[i].id == next_id)
+ break;
+
+ if (i == nr_iters)
+ continue;
+
+ nr_id_found++;
+
+ err = bpf_map_lookup_elem(map_fd, &array_key, &array_value);
+ assert(!err);
+
+ err = bpf_obj_get_info_by_fd(map_fd, &map_info, &info_len);
+ CHECK(err || info_len != sizeof(struct bpf_map_info) ||
+ memcmp(&map_info, &map_infos[i], info_len) ||
+ array_value != array_magic_value,
+ "check get-map-info(next_id->fd)",
+ "err %d errno %d info_len %u(%zu) memcmp %d array_value %llu(%llu)\n",
+ err, errno, info_len, sizeof(struct bpf_map_info),
+ memcmp(&map_info, &map_infos[i], info_len),
+ array_value, array_magic_value);
+
+ close(map_fd);
+ }
+ CHECK(nr_id_found != nr_iters,
+ "check total map id found by get_next_id",
+ "nr_id_found %u(%u)\n",
+ nr_id_found, nr_iters);
+
+done:
+ for (i = 0; i < nr_iters; i++)
+ bpf_object__close(objs[i]);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c
new file mode 100644
index 000000000000..e1b55261526f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <test_progs.h>
+static int libbpf_debug_print(enum libbpf_print_level level,
+ const char *format, va_list args)
+{
+ if (level != LIBBPF_DEBUG)
+ return vfprintf(stderr, format, args);
+
+ if (!strstr(format, "verifier log"))
+ return 0;
+ return vfprintf(stderr, "%s", args);
+}
+
+static int check_load(const char *file, enum bpf_prog_type type)
+{
+ struct bpf_prog_load_attr attr;
+ struct bpf_object *obj = NULL;
+ int err, prog_fd;
+
+ memset(&attr, 0, sizeof(struct bpf_prog_load_attr));
+ attr.file = file;
+ attr.prog_type = type;
+ attr.log_level = 4;
+ attr.prog_flags = BPF_F_TEST_RND_HI32;
+ err = bpf_prog_load_xattr(&attr, &obj, &prog_fd);
+ bpf_object__close(obj);
+ if (err)
+ error_cnt++;
+ return err;
+}
+
+void test_bpf_verif_scale(void)
+{
+ const char *sched_cls[] = {
+ "./test_verif_scale1.o", "./test_verif_scale2.o", "./test_verif_scale3.o",
+ };
+ const char *raw_tp[] = {
+ /* full unroll by llvm */
+ "./pyperf50.o", "./pyperf100.o", "./pyperf180.o",
+
+ /* partial unroll. llvm will unroll loop ~150 times.
+ * C loop count -> 600.
+ * Asm loop count -> 4.
+ * 16k insns in loop body.
+ * Total of 5 such loops. Total program size ~82k insns.
+ */
+ "./pyperf600.o",
+
+ /* no unroll at all.
+ * C loop count -> 600.
+ * ASM loop count -> 600.
+ * ~110 insns in loop body.
+ * Total of 5 such loops. Total program size ~1500 insns.
+ */
+ "./pyperf600_nounroll.o",
+
+ "./loop1.o", "./loop2.o",
+
+ /* partial unroll. 19k insn in a loop.
+ * Total program size 20.8k insn.
+ * ~350k processed_insns
+ */
+ "./strobemeta.o",
+
+ /* no unroll, tiny loops */
+ "./strobemeta_nounroll1.o",
+ "./strobemeta_nounroll2.o",
+ };
+ const char *cg_sysctl[] = {
+ "./test_sysctl_loop1.o", "./test_sysctl_loop2.o",
+ };
+ int err, i;
+
+ if (verifier_stats)
+ libbpf_set_print(libbpf_debug_print);
+
+ err = check_load("./loop3.o", BPF_PROG_TYPE_RAW_TRACEPOINT);
+ printf("test_scale:loop3:%s\n", err ? (error_cnt--, "OK") : "FAIL");
+
+ for (i = 0; i < ARRAY_SIZE(sched_cls); i++) {
+ err = check_load(sched_cls[i], BPF_PROG_TYPE_SCHED_CLS);
+ printf("test_scale:%s:%s\n", sched_cls[i], err ? "FAIL" : "OK");
+ }
+
+ for (i = 0; i < ARRAY_SIZE(raw_tp); i++) {
+ err = check_load(raw_tp[i], BPF_PROG_TYPE_RAW_TRACEPOINT);
+ printf("test_scale:%s:%s\n", raw_tp[i], err ? "FAIL" : "OK");
+ }
+
+ for (i = 0; i < ARRAY_SIZE(cg_sysctl); i++) {
+ err = check_load(cg_sysctl[i], BPF_PROG_TYPE_CGROUP_SYSCTL);
+ printf("test_scale:%s:%s\n", cg_sysctl[i], err ? "FAIL" : "OK");
+ }
+ err = check_load("./test_xdp_loop.o", BPF_PROG_TYPE_XDP);
+ printf("test_scale:test_xdp_loop:%s\n", err ? "FAIL" : "OK");
+
+ err = check_load("./test_seg6_loop.o", BPF_PROG_TYPE_LWT_SEG6LOCAL);
+ printf("test_scale:test_seg6_loop:%s\n", err ? "FAIL" : "OK");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
new file mode 100644
index 000000000000..c938283ac232
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
@@ -0,0 +1,270 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <error.h>
+#include <linux/if.h>
+#include <linux/if_tun.h>
+#include <sys/uio.h>
+
+#define CHECK_FLOW_KEYS(desc, got, expected) \
+ CHECK_ATTR(memcmp(&got, &expected, sizeof(got)) != 0, \
+ desc, \
+ "nhoff=%u/%u " \
+ "thoff=%u/%u " \
+ "addr_proto=0x%x/0x%x " \
+ "is_frag=%u/%u " \
+ "is_first_frag=%u/%u " \
+ "is_encap=%u/%u " \
+ "ip_proto=0x%x/0x%x " \
+ "n_proto=0x%x/0x%x " \
+ "sport=%u/%u " \
+ "dport=%u/%u\n", \
+ got.nhoff, expected.nhoff, \
+ got.thoff, expected.thoff, \
+ got.addr_proto, expected.addr_proto, \
+ got.is_frag, expected.is_frag, \
+ got.is_first_frag, expected.is_first_frag, \
+ got.is_encap, expected.is_encap, \
+ got.ip_proto, expected.ip_proto, \
+ got.n_proto, expected.n_proto, \
+ got.sport, expected.sport, \
+ got.dport, expected.dport)
+
+struct ipv4_pkt {
+ struct ethhdr eth;
+ struct iphdr iph;
+ struct tcphdr tcp;
+} __packed;
+
+struct svlan_ipv4_pkt {
+ struct ethhdr eth;
+ __u16 vlan_tci;
+ __u16 vlan_proto;
+ struct iphdr iph;
+ struct tcphdr tcp;
+} __packed;
+
+struct ipv6_pkt {
+ struct ethhdr eth;
+ struct ipv6hdr iph;
+ struct tcphdr tcp;
+} __packed;
+
+struct dvlan_ipv6_pkt {
+ struct ethhdr eth;
+ __u16 vlan_tci;
+ __u16 vlan_proto;
+ __u16 vlan_tci2;
+ __u16 vlan_proto2;
+ struct ipv6hdr iph;
+ struct tcphdr tcp;
+} __packed;
+
+struct test {
+ const char *name;
+ union {
+ struct ipv4_pkt ipv4;
+ struct svlan_ipv4_pkt svlan_ipv4;
+ struct ipv6_pkt ipv6;
+ struct dvlan_ipv6_pkt dvlan_ipv6;
+ } pkt;
+ struct bpf_flow_keys keys;
+};
+
+#define VLAN_HLEN 4
+
+struct test tests[] = {
+ {
+ .name = "ipv4",
+ .pkt.ipv4 = {
+ .eth.h_proto = __bpf_constant_htons(ETH_P_IP),
+ .iph.ihl = 5,
+ .iph.protocol = IPPROTO_TCP,
+ .iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+ .tcp.doff = 5,
+ },
+ .keys = {
+ .nhoff = ETH_HLEN,
+ .thoff = ETH_HLEN + sizeof(struct iphdr),
+ .addr_proto = ETH_P_IP,
+ .ip_proto = IPPROTO_TCP,
+ .n_proto = __bpf_constant_htons(ETH_P_IP),
+ },
+ },
+ {
+ .name = "ipv6",
+ .pkt.ipv6 = {
+ .eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
+ .iph.nexthdr = IPPROTO_TCP,
+ .iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+ .tcp.doff = 5,
+ },
+ .keys = {
+ .nhoff = ETH_HLEN,
+ .thoff = ETH_HLEN + sizeof(struct ipv6hdr),
+ .addr_proto = ETH_P_IPV6,
+ .ip_proto = IPPROTO_TCP,
+ .n_proto = __bpf_constant_htons(ETH_P_IPV6),
+ },
+ },
+ {
+ .name = "802.1q-ipv4",
+ .pkt.svlan_ipv4 = {
+ .eth.h_proto = __bpf_constant_htons(ETH_P_8021Q),
+ .vlan_proto = __bpf_constant_htons(ETH_P_IP),
+ .iph.ihl = 5,
+ .iph.protocol = IPPROTO_TCP,
+ .iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+ .tcp.doff = 5,
+ },
+ .keys = {
+ .nhoff = ETH_HLEN + VLAN_HLEN,
+ .thoff = ETH_HLEN + VLAN_HLEN + sizeof(struct iphdr),
+ .addr_proto = ETH_P_IP,
+ .ip_proto = IPPROTO_TCP,
+ .n_proto = __bpf_constant_htons(ETH_P_IP),
+ },
+ },
+ {
+ .name = "802.1ad-ipv6",
+ .pkt.dvlan_ipv6 = {
+ .eth.h_proto = __bpf_constant_htons(ETH_P_8021AD),
+ .vlan_proto = __bpf_constant_htons(ETH_P_8021Q),
+ .vlan_proto2 = __bpf_constant_htons(ETH_P_IPV6),
+ .iph.nexthdr = IPPROTO_TCP,
+ .iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+ .tcp.doff = 5,
+ },
+ .keys = {
+ .nhoff = ETH_HLEN + VLAN_HLEN * 2,
+ .thoff = ETH_HLEN + VLAN_HLEN * 2 +
+ sizeof(struct ipv6hdr),
+ .addr_proto = ETH_P_IPV6,
+ .ip_proto = IPPROTO_TCP,
+ .n_proto = __bpf_constant_htons(ETH_P_IPV6),
+ },
+ },
+};
+
+static int create_tap(const char *ifname)
+{
+ struct ifreq ifr = {
+ .ifr_flags = IFF_TAP | IFF_NO_PI | IFF_NAPI | IFF_NAPI_FRAGS,
+ };
+ int fd, ret;
+
+ strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+
+ fd = open("/dev/net/tun", O_RDWR);
+ if (fd < 0)
+ return -1;
+
+ ret = ioctl(fd, TUNSETIFF, &ifr);
+ if (ret)
+ return -1;
+
+ return fd;
+}
+
+static int tx_tap(int fd, void *pkt, size_t len)
+{
+ struct iovec iov[] = {
+ {
+ .iov_len = len,
+ .iov_base = pkt,
+ },
+ };
+ return writev(fd, iov, ARRAY_SIZE(iov));
+}
+
+static int ifup(const char *ifname)
+{
+ struct ifreq ifr = {};
+ int sk, ret;
+
+ strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+
+ sk = socket(PF_INET, SOCK_DGRAM, 0);
+ if (sk < 0)
+ return -1;
+
+ ret = ioctl(sk, SIOCGIFFLAGS, &ifr);
+ if (ret) {
+ close(sk);
+ return -1;
+ }
+
+ ifr.ifr_flags |= IFF_UP;
+ ret = ioctl(sk, SIOCSIFFLAGS, &ifr);
+ if (ret) {
+ close(sk);
+ return -1;
+ }
+
+ close(sk);
+ return 0;
+}
+
+void test_flow_dissector(void)
+{
+ int i, err, prog_fd, keys_fd = -1, tap_fd;
+ struct bpf_object *obj;
+ __u32 duration = 0;
+
+ err = bpf_flow_load(&obj, "./bpf_flow.o", "flow_dissector",
+ "jmp_table", "last_dissection", &prog_fd, &keys_fd);
+ if (err) {
+ error_cnt++;
+ return;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tests); i++) {
+ struct bpf_flow_keys flow_keys;
+ struct bpf_prog_test_run_attr tattr = {
+ .prog_fd = prog_fd,
+ .data_in = &tests[i].pkt,
+ .data_size_in = sizeof(tests[i].pkt),
+ .data_out = &flow_keys,
+ };
+
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(tattr.data_size_out != sizeof(flow_keys) ||
+ err || tattr.retval != 1,
+ tests[i].name,
+ "err %d errno %d retval %d duration %d size %u/%lu\n",
+ err, errno, tattr.retval, tattr.duration,
+ tattr.data_size_out, sizeof(flow_keys));
+ CHECK_FLOW_KEYS(tests[i].name, flow_keys, tests[i].keys);
+ }
+
+ /* Do the same tests but for skb-less flow dissector.
+ * We use a known path in the net/tun driver that calls
+ * eth_get_headlen and we manually export bpf_flow_keys
+ * via BPF map in this case.
+ */
+
+ err = bpf_prog_attach(prog_fd, 0, BPF_FLOW_DISSECTOR, 0);
+ CHECK(err, "bpf_prog_attach", "err %d errno %d\n", err, errno);
+
+ tap_fd = create_tap("tap0");
+ CHECK(tap_fd < 0, "create_tap", "tap_fd %d errno %d\n", tap_fd, errno);
+ err = ifup("tap0");
+ CHECK(err, "ifup", "err %d errno %d\n", err, errno);
+
+ for (i = 0; i < ARRAY_SIZE(tests); i++) {
+ struct bpf_flow_keys flow_keys = {};
+ struct bpf_prog_test_run_attr tattr = {};
+ __u32 key = 0;
+
+ err = tx_tap(tap_fd, &tests[i].pkt, sizeof(tests[i].pkt));
+ CHECK(err < 0, "tx_tap", "err %d errno %d\n", err, errno);
+
+ err = bpf_map_lookup_elem(keys_fd, &key, &flow_keys);
+ CHECK_ATTR(err, tests[i].name, "bpf_map_lookup_elem %d\n", err);
+
+ CHECK_ATTR(err, tests[i].name, "skb-less err %d\n", err);
+ CHECK_FLOW_KEYS(tests[i].name, flow_keys, tests[i].keys);
+ }
+
+ bpf_prog_detach(prog_fd, BPF_FLOW_DISSECTOR);
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c
new file mode 100644
index 000000000000..dc5ef155ec28
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_flow_dissector_load_bytes(void)
+{
+ struct bpf_flow_keys flow_keys;
+ __u32 duration = 0, retval, size;
+ struct bpf_insn prog[] = {
+ // BPF_REG_1 - 1st argument: context
+ // BPF_REG_2 - 2nd argument: offset, start at first byte
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ // BPF_REG_3 - 3rd argument: destination, reserve byte on stack
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -1),
+ // BPF_REG_4 - 4th argument: copy one byte
+ BPF_MOV64_IMM(BPF_REG_4, 1),
+ // bpf_skb_load_bytes(ctx, sizeof(pkt_v4), ptr, 1)
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_skb_load_bytes),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ // if (ret == 0) return BPF_DROP (2)
+ BPF_MOV64_IMM(BPF_REG_0, BPF_DROP),
+ BPF_EXIT_INSN(),
+ // if (ret != 0) return BPF_OK (0)
+ BPF_MOV64_IMM(BPF_REG_0, BPF_OK),
+ BPF_EXIT_INSN(),
+ };
+ int fd, err;
+
+ /* make sure bpf_skb_load_bytes is not allowed from skb-less context
+ */
+ fd = bpf_load_program(BPF_PROG_TYPE_FLOW_DISSECTOR, prog,
+ ARRAY_SIZE(prog), "GPL", 0, NULL, 0);
+ CHECK(fd < 0,
+ "flow_dissector-bpf_skb_load_bytes-load",
+ "fd %d errno %d\n",
+ fd, errno);
+
+ err = bpf_prog_test_run(fd, 1, &pkt_v4, sizeof(pkt_v4),
+ &flow_keys, &size, &retval, &duration);
+ CHECK(size != sizeof(flow_keys) || err || retval != 1,
+ "flow_dissector-bpf_skb_load_bytes",
+ "err %d errno %d retval %d duration %d size %u/%zu\n",
+ err, errno, retval, duration, size, sizeof(flow_keys));
+
+ if (fd >= -1)
+ close(fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c
new file mode 100644
index 000000000000..c2a0a9d5591b
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+#define MAX_CNT_RAWTP 10ull
+#define MAX_STACK_RAWTP 100
+struct get_stack_trace_t {
+ int pid;
+ int kern_stack_size;
+ int user_stack_size;
+ int user_stack_buildid_size;
+ __u64 kern_stack[MAX_STACK_RAWTP];
+ __u64 user_stack[MAX_STACK_RAWTP];
+ struct bpf_stack_build_id user_stack_buildid[MAX_STACK_RAWTP];
+};
+
+static int get_stack_print_output(void *data, int size)
+{
+ bool good_kern_stack = false, good_user_stack = false;
+ const char *nonjit_func = "___bpf_prog_run";
+ struct get_stack_trace_t *e = data;
+ int i, num_stack;
+ static __u64 cnt;
+ struct ksym *ks;
+
+ cnt++;
+
+ if (size < sizeof(struct get_stack_trace_t)) {
+ __u64 *raw_data = data;
+ bool found = false;
+
+ num_stack = size / sizeof(__u64);
+ /* If jit is enabled, we do not have a good way to
+ * verify the sanity of the kernel stack. So we
+ * just assume it is good if the stack is not empty.
+ * This could be improved in the future.
+ */
+ if (jit_enabled) {
+ found = num_stack > 0;
+ } else {
+ for (i = 0; i < num_stack; i++) {
+ ks = ksym_search(raw_data[i]);
+ if (ks && (strcmp(ks->name, nonjit_func) == 0)) {
+ found = true;
+ break;
+ }
+ }
+ }
+ if (found) {
+ good_kern_stack = true;
+ good_user_stack = true;
+ }
+ } else {
+ num_stack = e->kern_stack_size / sizeof(__u64);
+ if (jit_enabled) {
+ good_kern_stack = num_stack > 0;
+ } else {
+ for (i = 0; i < num_stack; i++) {
+ ks = ksym_search(e->kern_stack[i]);
+ if (ks && (strcmp(ks->name, nonjit_func) == 0)) {
+ good_kern_stack = true;
+ break;
+ }
+ }
+ }
+ if (e->user_stack_size > 0 && e->user_stack_buildid_size > 0)
+ good_user_stack = true;
+ }
+ if (!good_kern_stack || !good_user_stack)
+ return LIBBPF_PERF_EVENT_ERROR;
+
+ if (cnt == MAX_CNT_RAWTP)
+ return LIBBPF_PERF_EVENT_DONE;
+
+ return LIBBPF_PERF_EVENT_CONT;
+}
+
+void test_get_stack_raw_tp(void)
+{
+ const char *file = "./test_get_stack_rawtp.o";
+ int i, efd, err, prog_fd, pmu_fd, perfmap_fd;
+ struct perf_event_attr attr = {};
+ struct timespec tv = {0, 10};
+ __u32 key = 0, duration = 0;
+ struct bpf_object *obj;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
+ if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
+ return;
+
+ efd = bpf_raw_tracepoint_open("sys_enter", prog_fd);
+ if (CHECK(efd < 0, "raw_tp_open", "err %d errno %d\n", efd, errno))
+ goto close_prog;
+
+ perfmap_fd = bpf_find_map(__func__, obj, "perfmap");
+ if (CHECK(perfmap_fd < 0, "bpf_find_map", "err %d errno %d\n",
+ perfmap_fd, errno))
+ goto close_prog;
+
+ err = load_kallsyms();
+ if (CHECK(err < 0, "load_kallsyms", "err %d errno %d\n", err, errno))
+ goto close_prog;
+
+ attr.sample_type = PERF_SAMPLE_RAW;
+ attr.type = PERF_TYPE_SOFTWARE;
+ attr.config = PERF_COUNT_SW_BPF_OUTPUT;
+ pmu_fd = syscall(__NR_perf_event_open, &attr, getpid()/*pid*/, -1/*cpu*/,
+ -1/*group_fd*/, 0);
+ if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n", pmu_fd,
+ errno))
+ goto close_prog;
+
+ err = bpf_map_update_elem(perfmap_fd, &key, &pmu_fd, BPF_ANY);
+ if (CHECK(err < 0, "bpf_map_update_elem", "err %d errno %d\n", err,
+ errno))
+ goto close_prog;
+
+ err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
+ if (CHECK(err < 0, "ioctl PERF_EVENT_IOC_ENABLE", "err %d errno %d\n",
+ err, errno))
+ goto close_prog;
+
+ err = perf_event_mmap(pmu_fd);
+ if (CHECK(err < 0, "perf_event_mmap", "err %d errno %d\n", err, errno))
+ goto close_prog;
+
+ /* trigger some syscall action */
+ for (i = 0; i < MAX_CNT_RAWTP; i++)
+ nanosleep(&tv, NULL);
+
+ err = perf_event_poller(pmu_fd, get_stack_print_output);
+ if (CHECK(err < 0, "perf_event_poller", "err %d errno %d\n", err, errno))
+ goto close_prog;
+
+ goto close_prog_noerr;
+close_prog:
+ error_cnt++;
+close_prog_noerr:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/global_data.c b/tools/testing/selftests/bpf/prog_tests/global_data.c
new file mode 100644
index 000000000000..d011079fb0bf
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/global_data.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+static void test_global_data_number(struct bpf_object *obj, __u32 duration)
+{
+ int i, err, map_fd;
+ uint64_t num;
+
+ map_fd = bpf_find_map(__func__, obj, "result_number");
+ if (map_fd < 0) {
+ error_cnt++;
+ return;
+ }
+
+ struct {
+ char *name;
+ uint32_t key;
+ uint64_t num;
+ } tests[] = {
+ { "relocate .bss reference", 0, 0 },
+ { "relocate .data reference", 1, 42 },
+ { "relocate .rodata reference", 2, 24 },
+ { "relocate .bss reference", 3, 0 },
+ { "relocate .data reference", 4, 0xffeeff },
+ { "relocate .rodata reference", 5, 0xabab },
+ { "relocate .bss reference", 6, 1234 },
+ { "relocate .bss reference", 7, 0 },
+ { "relocate .rodata reference", 8, 0xab },
+ { "relocate .rodata reference", 9, 0x1111111111111111 },
+ { "relocate .rodata reference", 10, ~0 },
+ };
+
+ for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
+ err = bpf_map_lookup_elem(map_fd, &tests[i].key, &num);
+ CHECK(err || num != tests[i].num, tests[i].name,
+ "err %d result %lx expected %lx\n",
+ err, num, tests[i].num);
+ }
+}
+
+static void test_global_data_string(struct bpf_object *obj, __u32 duration)
+{
+ int i, err, map_fd;
+ char str[32];
+
+ map_fd = bpf_find_map(__func__, obj, "result_string");
+ if (map_fd < 0) {
+ error_cnt++;
+ return;
+ }
+
+ struct {
+ char *name;
+ uint32_t key;
+ char str[32];
+ } tests[] = {
+ { "relocate .rodata reference", 0, "abcdefghijklmnopqrstuvwxyz" },
+ { "relocate .data reference", 1, "abcdefghijklmnopqrstuvwxyz" },
+ { "relocate .bss reference", 2, "" },
+ { "relocate .data reference", 3, "abcdexghijklmnopqrstuvwxyz" },
+ { "relocate .bss reference", 4, "\0\0hello" },
+ };
+
+ for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
+ err = bpf_map_lookup_elem(map_fd, &tests[i].key, str);
+ CHECK(err || memcmp(str, tests[i].str, sizeof(str)),
+ tests[i].name, "err %d result \'%s\' expected \'%s\'\n",
+ err, str, tests[i].str);
+ }
+}
+
+struct foo {
+ __u8 a;
+ __u32 b;
+ __u64 c;
+};
+
+static void test_global_data_struct(struct bpf_object *obj, __u32 duration)
+{
+ int i, err, map_fd;
+ struct foo val;
+
+ map_fd = bpf_find_map(__func__, obj, "result_struct");
+ if (map_fd < 0) {
+ error_cnt++;
+ return;
+ }
+
+ struct {
+ char *name;
+ uint32_t key;
+ struct foo val;
+ } tests[] = {
+ { "relocate .rodata reference", 0, { 42, 0xfefeefef, 0x1111111111111111ULL, } },
+ { "relocate .bss reference", 1, { } },
+ { "relocate .rodata reference", 2, { } },
+ { "relocate .data reference", 3, { 41, 0xeeeeefef, 0x2111111111111111ULL, } },
+ };
+
+ for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
+ err = bpf_map_lookup_elem(map_fd, &tests[i].key, &val);
+ CHECK(err || memcmp(&val, &tests[i].val, sizeof(val)),
+ tests[i].name, "err %d result { %u, %u, %llu } expected { %u, %u, %llu }\n",
+ err, val.a, val.b, val.c, tests[i].val.a, tests[i].val.b, tests[i].val.c);
+ }
+}
+
+static void test_global_data_rdonly(struct bpf_object *obj, __u32 duration)
+{
+ int err = -ENOMEM, map_fd, zero = 0;
+ struct bpf_map *map;
+ __u8 *buff;
+
+ map = bpf_object__find_map_by_name(obj, "test_glo.rodata");
+ if (!map || !bpf_map__is_internal(map)) {
+ error_cnt++;
+ return;
+ }
+
+ map_fd = bpf_map__fd(map);
+ if (map_fd < 0) {
+ error_cnt++;
+ return;
+ }
+
+ buff = malloc(bpf_map__def(map)->value_size);
+ if (buff)
+ err = bpf_map_update_elem(map_fd, &zero, buff, 0);
+ free(buff);
+ CHECK(!err || errno != EPERM, "test .rodata read-only map",
+ "err %d errno %d\n", err, errno);
+}
+
+void test_global_data(void)
+{
+ const char *file = "./test_global_data.o";
+ __u32 duration = 0, retval;
+ struct bpf_object *obj;
+ int err, prog_fd;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+ if (CHECK(err, "load program", "error %d loading %s\n", err, file))
+ return;
+
+ err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
+ NULL, NULL, &retval, &duration);
+ CHECK(err || retval, "pass global data run",
+ "err %d errno %d retval %d duration %d\n",
+ err, errno, retval, duration);
+
+ test_global_data_number(obj, duration);
+ test_global_data_string(obj, duration);
+ test_global_data_struct(obj, duration);
+ test_global_data_rdonly(obj, duration);
+
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/l4lb_all.c b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c
new file mode 100644
index 000000000000..20ddca830e68
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+static void test_l4lb(const char *file)
+{
+ unsigned int nr_cpus = bpf_num_possible_cpus();
+ struct vip key = {.protocol = 6};
+ struct vip_meta {
+ __u32 flags;
+ __u32 vip_num;
+ } value = {.vip_num = VIP_NUM};
+ __u32 stats_key = VIP_NUM;
+ struct vip_stats {
+ __u64 bytes;
+ __u64 pkts;
+ } stats[nr_cpus];
+ struct real_definition {
+ union {
+ __be32 dst;
+ __be32 dstv6[4];
+ };
+ __u8 flags;
+ } real_def = {.dst = MAGIC_VAL};
+ __u32 ch_key = 11, real_num = 3;
+ __u32 duration, retval, size;
+ int err, i, prog_fd, map_fd;
+ __u64 bytes = 0, pkts = 0;
+ struct bpf_object *obj;
+ char buf[128];
+ u32 *magic = (u32 *)buf;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+ if (err) {
+ error_cnt++;
+ return;
+ }
+
+ map_fd = bpf_find_map(__func__, obj, "vip_map");
+ if (map_fd < 0)
+ goto out;
+ bpf_map_update_elem(map_fd, &key, &value, 0);
+
+ map_fd = bpf_find_map(__func__, obj, "ch_rings");
+ if (map_fd < 0)
+ goto out;
+ bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);
+
+ map_fd = bpf_find_map(__func__, obj, "reals");
+ if (map_fd < 0)
+ goto out;
+ bpf_map_update_elem(map_fd, &real_num, &real_def, 0);
+
+ err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v4, sizeof(pkt_v4),
+ buf, &size, &retval, &duration);
+ CHECK(err || retval != 7/*TC_ACT_REDIRECT*/ || size != 54 ||
+ *magic != MAGIC_VAL, "ipv4",
+ "err %d errno %d retval %d size %d magic %x\n",
+ err, errno, retval, size, *magic);
+
+ err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v6, sizeof(pkt_v6),
+ buf, &size, &retval, &duration);
+ CHECK(err || retval != 7/*TC_ACT_REDIRECT*/ || size != 74 ||
+ *magic != MAGIC_VAL, "ipv6",
+ "err %d errno %d retval %d size %d magic %x\n",
+ err, errno, retval, size, *magic);
+
+ map_fd = bpf_find_map(__func__, obj, "stats");
+ if (map_fd < 0)
+ goto out;
+ bpf_map_lookup_elem(map_fd, &stats_key, stats);
+ for (i = 0; i < nr_cpus; i++) {
+ bytes += stats[i].bytes;
+ pkts += stats[i].pkts;
+ }
+ if (bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2) {
+ error_cnt++;
+ printf("test_l4lb:FAIL:stats %lld %lld\n", bytes, pkts);
+ }
+out:
+ bpf_object__close(obj);
+}
+
+void test_l4lb_all(void)
+{
+ const char *file1 = "./test_l4lb.o";
+ const char *file2 = "./test_l4lb_noinline.o";
+
+ test_l4lb(file1);
+ test_l4lb(file2);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/map_lock.c b/tools/testing/selftests/bpf/prog_tests/map_lock.c
new file mode 100644
index 000000000000..ee99368c595c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/map_lock.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+static void *parallel_map_access(void *arg)
+{
+ int err, map_fd = *(u32 *) arg;
+ int vars[17], i, j, rnd, key = 0;
+
+ for (i = 0; i < 10000; i++) {
+ err = bpf_map_lookup_elem_flags(map_fd, &key, vars, BPF_F_LOCK);
+ if (err) {
+ printf("lookup failed\n");
+ error_cnt++;
+ goto out;
+ }
+ if (vars[0] != 0) {
+ printf("lookup #%d var[0]=%d\n", i, vars[0]);
+ error_cnt++;
+ goto out;
+ }
+ rnd = vars[1];
+ for (j = 2; j < 17; j++) {
+ if (vars[j] == rnd)
+ continue;
+ printf("lookup #%d var[1]=%d var[%d]=%d\n",
+ i, rnd, j, vars[j]);
+ error_cnt++;
+ goto out;
+ }
+ }
+out:
+ pthread_exit(arg);
+}
+
+void test_map_lock(void)
+{
+ const char *file = "./test_map_lock.o";
+ int prog_fd, map_fd[2], vars[17] = {};
+ pthread_t thread_id[6];
+ struct bpf_object *obj = NULL;
+ int err = 0, key = 0, i;
+ void *ret;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
+ if (err) {
+ printf("test_map_lock:bpf_prog_load errno %d\n", errno);
+ goto close_prog;
+ }
+ map_fd[0] = bpf_find_map(__func__, obj, "hash_map");
+ if (map_fd[0] < 0)
+ goto close_prog;
+ map_fd[1] = bpf_find_map(__func__, obj, "array_map");
+ if (map_fd[1] < 0)
+ goto close_prog;
+
+ bpf_map_update_elem(map_fd[0], &key, vars, BPF_F_LOCK);
+
+ for (i = 0; i < 4; i++)
+ assert(pthread_create(&thread_id[i], NULL,
+ &spin_lock_thread, &prog_fd) == 0);
+ for (i = 4; i < 6; i++)
+ assert(pthread_create(&thread_id[i], NULL,
+ &parallel_map_access, &map_fd[i - 4]) == 0);
+ for (i = 0; i < 4; i++)
+ assert(pthread_join(thread_id[i], &ret) == 0 &&
+ ret == (void *)&prog_fd);
+ for (i = 4; i < 6; i++)
+ assert(pthread_join(thread_id[i], &ret) == 0 &&
+ ret == (void *)&map_fd[i - 4]);
+ goto close_prog_noerr;
+close_prog:
+ error_cnt++;
+close_prog_noerr:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/obj_name.c b/tools/testing/selftests/bpf/prog_tests/obj_name.c
new file mode 100644
index 000000000000..e178416bddad
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/obj_name.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_obj_name(void)
+{
+ struct {
+ const char *name;
+ int success;
+ int expected_errno;
+ } tests[] = {
+ { "", 1, 0 },
+ { "_123456789ABCDE", 1, 0 },
+ { "_123456789ABCDEF", 0, EINVAL },
+ { "_123456789ABCD\n", 0, EINVAL },
+ };
+ struct bpf_insn prog[] = {
+ BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ };
+ __u32 duration = 0;
+ int i;
+
+ for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
+ size_t name_len = strlen(tests[i].name) + 1;
+ union bpf_attr attr;
+ size_t ncopy;
+ int fd;
+
+ /* test different attr.prog_name during BPF_PROG_LOAD */
+ ncopy = name_len < sizeof(attr.prog_name) ?
+ name_len : sizeof(attr.prog_name);
+ bzero(&attr, sizeof(attr));
+ attr.prog_type = BPF_PROG_TYPE_SCHED_CLS;
+ attr.insn_cnt = 2;
+ attr.insns = ptr_to_u64(prog);
+ attr.license = ptr_to_u64("");
+ memcpy(attr.prog_name, tests[i].name, ncopy);
+
+ fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
+ CHECK((tests[i].success && fd < 0) ||
+ (!tests[i].success && fd != -1) ||
+ (!tests[i].success && errno != tests[i].expected_errno),
+ "check-bpf-prog-name",
+ "fd %d(%d) errno %d(%d)\n",
+ fd, tests[i].success, errno, tests[i].expected_errno);
+
+ if (fd != -1)
+ close(fd);
+
+ /* test different attr.map_name during BPF_MAP_CREATE */
+ ncopy = name_len < sizeof(attr.map_name) ?
+ name_len : sizeof(attr.map_name);
+ bzero(&attr, sizeof(attr));
+ attr.map_type = BPF_MAP_TYPE_ARRAY;
+ attr.key_size = 4;
+ attr.value_size = 4;
+ attr.max_entries = 1;
+ attr.map_flags = 0;
+ memcpy(attr.map_name, tests[i].name, ncopy);
+ fd = syscall(__NR_bpf, BPF_MAP_CREATE, &attr, sizeof(attr));
+ CHECK((tests[i].success && fd < 0) ||
+ (!tests[i].success && fd != -1) ||
+ (!tests[i].success && errno != tests[i].expected_errno),
+ "check-bpf-map-name",
+ "fd %d(%d) errno %d(%d)\n",
+ fd, tests[i].success, errno, tests[i].expected_errno);
+
+ if (fd != -1)
+ close(fd);
+ }
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
new file mode 100644
index 000000000000..3f1ef95865ff
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <sched.h>
+#include <sys/socket.h>
+#include <test_progs.h>
+
+#ifdef __x86_64__
+#define SYS_KPROBE_NAME "__x64_sys_nanosleep"
+#else
+#define SYS_KPROBE_NAME "sys_nanosleep"
+#endif
+
+static void on_sample(void *ctx, int cpu, void *data, __u32 size)
+{
+ int cpu_data = *(int *)data, duration = 0;
+ cpu_set_t *cpu_seen = ctx;
+
+ if (cpu_data != cpu)
+ CHECK(cpu_data != cpu, "check_cpu_data",
+ "cpu_data %d != cpu %d\n", cpu_data, cpu);
+
+ CPU_SET(cpu, cpu_seen);
+}
+
+void test_perf_buffer(void)
+{
+ int err, prog_fd, nr_cpus, i, duration = 0;
+ const char *prog_name = "kprobe/sys_nanosleep";
+ const char *file = "./test_perf_buffer.o";
+ struct perf_buffer_opts pb_opts = {};
+ struct bpf_map *perf_buf_map;
+ cpu_set_t cpu_set, cpu_seen;
+ struct bpf_program *prog;
+ struct bpf_object *obj;
+ struct perf_buffer *pb;
+ struct bpf_link *link;
+
+ nr_cpus = libbpf_num_possible_cpus();
+ if (CHECK(nr_cpus < 0, "nr_cpus", "err %d\n", nr_cpus))
+ return;
+
+ /* load program */
+ err = bpf_prog_load(file, BPF_PROG_TYPE_KPROBE, &obj, &prog_fd);
+ if (CHECK(err, "obj_load", "err %d errno %d\n", err, errno))
+ return;
+
+ prog = bpf_object__find_program_by_title(obj, prog_name);
+ if (CHECK(!prog, "find_probe", "prog '%s' not found\n", prog_name))
+ goto out_close;
+
+ /* load map */
+ perf_buf_map = bpf_object__find_map_by_name(obj, "perf_buf_map");
+ if (CHECK(!perf_buf_map, "find_perf_buf_map", "not found\n"))
+ goto out_close;
+
+ /* attach kprobe */
+ link = bpf_program__attach_kprobe(prog, false /* retprobe */,
+ SYS_KPROBE_NAME);
+ if (CHECK(IS_ERR(link), "attach_kprobe", "err %ld\n", PTR_ERR(link)))
+ goto out_close;
+
+ /* set up perf buffer */
+ pb_opts.sample_cb = on_sample;
+ pb_opts.ctx = &cpu_seen;
+ pb = perf_buffer__new(bpf_map__fd(perf_buf_map), 1, &pb_opts);
+ if (CHECK(IS_ERR(pb), "perf_buf__new", "err %ld\n", PTR_ERR(pb)))
+ goto out_detach;
+
+ /* trigger kprobe on every CPU */
+ CPU_ZERO(&cpu_seen);
+ for (i = 0; i < nr_cpus; i++) {
+ CPU_ZERO(&cpu_set);
+ CPU_SET(i, &cpu_set);
+
+ err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set),
+ &cpu_set);
+ if (err && CHECK(err, "set_affinity", "cpu #%d, err %d\n",
+ i, err))
+ goto out_detach;
+
+ usleep(1);
+ }
+
+ /* read perf buffer */
+ err = perf_buffer__poll(pb, 100);
+ if (CHECK(err < 0, "perf_buffer__poll", "err %d\n", err))
+ goto out_free_pb;
+
+ if (CHECK(CPU_COUNT(&cpu_seen) != nr_cpus, "seen_cpu_cnt",
+ "expect %d, seen %d\n", nr_cpus, CPU_COUNT(&cpu_seen)))
+ goto out_free_pb;
+
+out_free_pb:
+ perf_buffer__free(pb);
+out_detach:
+ bpf_link__destroy(link);
+out_close:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/pkt_access.c b/tools/testing/selftests/bpf/prog_tests/pkt_access.c
new file mode 100644
index 000000000000..4ecfd721a044
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/pkt_access.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_pkt_access(void)
+{
+ const char *file = "./test_pkt_access.o";
+ struct bpf_object *obj;
+ __u32 duration, retval;
+ int err, prog_fd;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+ if (err) {
+ error_cnt++;
+ return;
+ }
+
+ err = bpf_prog_test_run(prog_fd, 100000, &pkt_v4, sizeof(pkt_v4),
+ NULL, NULL, &retval, &duration);
+ CHECK(err || retval, "ipv4",
+ "err %d errno %d retval %d duration %d\n",
+ err, errno, retval, duration);
+
+ err = bpf_prog_test_run(prog_fd, 100000, &pkt_v6, sizeof(pkt_v6),
+ NULL, NULL, &retval, &duration);
+ CHECK(err || retval, "ipv6",
+ "err %d errno %d retval %d duration %d\n",
+ err, errno, retval, duration);
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c b/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c
new file mode 100644
index 000000000000..ac0d43435806
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_pkt_md_access(void)
+{
+ const char *file = "./test_pkt_md_access.o";
+ struct bpf_object *obj;
+ __u32 duration, retval;
+ int err, prog_fd;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+ if (err) {
+ error_cnt++;
+ return;
+ }
+
+ err = bpf_prog_test_run(prog_fd, 10, &pkt_v4, sizeof(pkt_v4),
+ NULL, NULL, &retval, &duration);
+ CHECK(err || retval, "",
+ "err %d errno %d retval %d duration %d\n",
+ err, errno, retval, duration);
+
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c b/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c
new file mode 100644
index 000000000000..5dd89b941f53
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_prog_run_xattr(void)
+{
+ const char *file = "./test_pkt_access.o";
+ struct bpf_object *obj;
+ char buf[10];
+ int err;
+ struct bpf_prog_test_run_attr tattr = {
+ .repeat = 1,
+ .data_in = &pkt_v4,
+ .data_size_in = sizeof(pkt_v4),
+ .data_out = buf,
+ .data_size_out = 5,
+ };
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj,
+ &tattr.prog_fd);
+ if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno))
+ return;
+
+ memset(buf, 0, sizeof(buf));
+
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err != -1 || errno != ENOSPC || tattr.retval, "run",
+ "err %d errno %d retval %d\n", err, errno, tattr.retval);
+
+ CHECK_ATTR(tattr.data_size_out != sizeof(pkt_v4), "data_size_out",
+ "incorrect output size, want %lu have %u\n",
+ sizeof(pkt_v4), tattr.data_size_out);
+
+ CHECK_ATTR(buf[5] != 0, "overflow",
+ "BPF_PROG_TEST_RUN ignored size hint\n");
+
+ tattr.data_out = NULL;
+ tattr.data_size_out = 0;
+ errno = 0;
+
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err || errno || tattr.retval, "run_no_output",
+ "err %d errno %d retval %d\n", err, errno, tattr.retval);
+
+ tattr.data_size_out = 1;
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err != -EINVAL, "run_wrong_size_out", "err %d\n", err);
+
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
new file mode 100644
index 000000000000..e60cd5ff1f55
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+enum {
+ QUEUE,
+ STACK,
+};
+
+static void test_queue_stack_map_by_type(int type)
+{
+ const int MAP_SIZE = 32;
+ __u32 vals[MAP_SIZE], duration, retval, size, val;
+ int i, err, prog_fd, map_in_fd, map_out_fd;
+ char file[32], buf[128];
+ struct bpf_object *obj;
+ struct iphdr *iph = (void *)buf + sizeof(struct ethhdr);
+
+ /* Fill test values to be used */
+ for (i = 0; i < MAP_SIZE; i++)
+ vals[i] = rand();
+
+ if (type == QUEUE)
+ strncpy(file, "./test_queue_map.o", sizeof(file));
+ else if (type == STACK)
+ strncpy(file, "./test_stack_map.o", sizeof(file));
+ else
+ return;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+ if (err) {
+ error_cnt++;
+ return;
+ }
+
+ map_in_fd = bpf_find_map(__func__, obj, "map_in");
+ if (map_in_fd < 0)
+ goto out;
+
+ map_out_fd = bpf_find_map(__func__, obj, "map_out");
+ if (map_out_fd < 0)
+ goto out;
+
+ /* Push 32 elements to the input map */
+ for (i = 0; i < MAP_SIZE; i++) {
+ err = bpf_map_update_elem(map_in_fd, NULL, &vals[i], 0);
+ if (err) {
+ error_cnt++;
+ goto out;
+ }
+ }
+
+ /* The eBPF program pushes iph.saddr in the output map,
+ * pops the input map and saves this value in iph.daddr
+ */
+ for (i = 0; i < MAP_SIZE; i++) {
+ if (type == QUEUE) {
+ val = vals[i];
+ pkt_v4.iph.saddr = vals[i] * 5;
+ } else if (type == STACK) {
+ val = vals[MAP_SIZE - 1 - i];
+ pkt_v4.iph.saddr = vals[MAP_SIZE - 1 - i] * 5;
+ }
+
+ err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
+ buf, &size, &retval, &duration);
+ if (err || retval || size != sizeof(pkt_v4) ||
+ iph->daddr != val)
+ break;
+ }
+
+ CHECK(err || retval || size != sizeof(pkt_v4) || iph->daddr != val,
+ "bpf_map_pop_elem",
+ "err %d errno %d retval %d size %d iph->daddr %u\n",
+ err, errno, retval, size, iph->daddr);
+
+ /* Queue is empty, program should return TC_ACT_SHOT */
+ err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
+ buf, &size, &retval, &duration);
+ CHECK(err || retval != 2 /* TC_ACT_SHOT */|| size != sizeof(pkt_v4),
+ "check-queue-stack-map-empty",
+ "err %d errno %d retval %d size %d\n",
+ err, errno, retval, size);
+
+ /* Check that the program pushed elements correctly */
+ for (i = 0; i < MAP_SIZE; i++) {
+ err = bpf_map_lookup_and_delete_elem(map_out_fd, NULL, &val);
+ if (err || val != vals[i] * 5)
+ break;
+ }
+
+ CHECK(i != MAP_SIZE && (err || val != vals[i] * 5),
+ "bpf_map_push_elem", "err %d value %u\n", err, val);
+
+out:
+ pkt_v4.iph.saddr = 0;
+ bpf_object__close(obj);
+}
+
+void test_queue_stack_map(void)
+{
+ test_queue_stack_map_by_type(QUEUE);
+ test_queue_stack_map_by_type(STACK);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c
new file mode 100644
index 000000000000..9807336a3016
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include <linux/nbd.h>
+
+void test_raw_tp_writable_reject_nbd_invalid(void)
+{
+ __u32 duration = 0;
+ char error[4096];
+ int bpf_fd = -1, tp_fd = -1;
+
+ const struct bpf_insn program[] = {
+ /* r6 is our tp buffer */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ /* one byte beyond the end of the nbd_request struct */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6,
+ sizeof(struct nbd_request)),
+ BPF_EXIT_INSN(),
+ };
+
+ struct bpf_load_program_attr load_attr = {
+ .prog_type = BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE,
+ .license = "GPL v2",
+ .insns = program,
+ .insns_cnt = sizeof(program) / sizeof(struct bpf_insn),
+ .log_level = 2,
+ };
+
+ bpf_fd = bpf_load_program_xattr(&load_attr, error, sizeof(error));
+ if (CHECK(bpf_fd < 0, "bpf_raw_tracepoint_writable load",
+ "failed: %d errno %d\n", bpf_fd, errno))
+ return;
+
+ tp_fd = bpf_raw_tracepoint_open("nbd_send_request", bpf_fd);
+ if (CHECK(tp_fd >= 0, "bpf_raw_tracepoint_writable open",
+ "erroneously succeeded\n"))
+ goto out_bpffd;
+
+ close(tp_fd);
+out_bpffd:
+ close(bpf_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c
new file mode 100644
index 000000000000..5c45424cac5f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include <linux/nbd.h>
+
+void test_raw_tp_writable_test_run(void)
+{
+ __u32 duration = 0;
+ char error[4096];
+
+ const struct bpf_insn trace_program[] = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ };
+
+ struct bpf_load_program_attr load_attr = {
+ .prog_type = BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE,
+ .license = "GPL v2",
+ .insns = trace_program,
+ .insns_cnt = sizeof(trace_program) / sizeof(struct bpf_insn),
+ .log_level = 2,
+ };
+
+ int bpf_fd = bpf_load_program_xattr(&load_attr, error, sizeof(error));
+ if (CHECK(bpf_fd < 0, "bpf_raw_tracepoint_writable loaded",
+ "failed: %d errno %d\n", bpf_fd, errno))
+ return;
+
+ const struct bpf_insn skb_program[] = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ };
+
+ struct bpf_load_program_attr skb_load_attr = {
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .license = "GPL v2",
+ .insns = skb_program,
+ .insns_cnt = sizeof(skb_program) / sizeof(struct bpf_insn),
+ };
+
+ int filter_fd =
+ bpf_load_program_xattr(&skb_load_attr, error, sizeof(error));
+ if (CHECK(filter_fd < 0, "test_program_loaded", "failed: %d errno %d\n",
+ filter_fd, errno))
+ goto out_bpffd;
+
+ int tp_fd = bpf_raw_tracepoint_open("bpf_test_finish", bpf_fd);
+ if (CHECK(tp_fd < 0, "bpf_raw_tracepoint_writable opened",
+ "failed: %d errno %d\n", tp_fd, errno))
+ goto out_filterfd;
+
+ char test_skb[128] = {
+ 0,
+ };
+
+ __u32 prog_ret;
+ int err = bpf_prog_test_run(filter_fd, 1, test_skb, sizeof(test_skb), 0,
+ 0, &prog_ret, 0);
+ CHECK(err != 42, "test_run",
+ "tracepoint did not modify return value\n");
+ CHECK(prog_ret != 0, "test_run_ret",
+ "socket_filter did not return 0\n");
+
+ close(tp_fd);
+
+ err = bpf_prog_test_run(filter_fd, 1, test_skb, sizeof(test_skb), 0, 0,
+ &prog_ret, 0);
+ CHECK(err != 0, "test_run_notrace",
+ "test_run failed with %d errno %d\n", err, errno);
+ CHECK(prog_ret != 0, "test_run_ret_notrace",
+ "socket_filter did not return 0\n");
+
+out_filterfd:
+ close(filter_fd);
+out_bpffd:
+ close(bpf_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/reference_tracking.c b/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
new file mode 100644
index 000000000000..5633be43828f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+static int libbpf_debug_print(enum libbpf_print_level level,
+ const char *format, va_list args)
+{
+ if (level == LIBBPF_DEBUG)
+ return 0;
+
+ return vfprintf(stderr, format, args);
+}
+
+void test_reference_tracking(void)
+{
+ const char *file = "./test_sk_lookup_kern.o";
+ struct bpf_object *obj;
+ struct bpf_program *prog;
+ __u32 duration = 0;
+ int err = 0;
+
+ obj = bpf_object__open(file);
+ if (IS_ERR(obj)) {
+ error_cnt++;
+ return;
+ }
+
+ bpf_object__for_each_program(prog, obj) {
+ const char *title;
+
+ /* Ignore .text sections */
+ title = bpf_program__title(prog, false);
+ if (strstr(title, ".text") != NULL)
+ continue;
+
+ bpf_program__set_type(prog, BPF_PROG_TYPE_SCHED_CLS);
+
+ /* Expect verifier failure if test name has 'fail' */
+ if (strstr(title, "fail") != NULL) {
+ libbpf_set_print(NULL);
+ err = !bpf_program__load(prog, "GPL", 0);
+ libbpf_set_print(libbpf_debug_print);
+ } else {
+ err = bpf_program__load(prog, "GPL", 0);
+ }
+ CHECK(err, title, "\n");
+ }
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/send_signal.c b/tools/testing/selftests/bpf/prog_tests/send_signal.c
new file mode 100644
index 000000000000..67cea1686305
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/send_signal.c
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+static volatile int sigusr1_received = 0;
+
+static void sigusr1_handler(int signum)
+{
+ sigusr1_received++;
+}
+
+static int test_send_signal_common(struct perf_event_attr *attr,
+ int prog_type,
+ const char *test_name)
+{
+ int err = -1, pmu_fd, prog_fd, info_map_fd, status_map_fd;
+ const char *file = "./test_send_signal_kern.o";
+ struct bpf_object *obj = NULL;
+ int pipe_c2p[2], pipe_p2c[2];
+ __u32 key = 0, duration = 0;
+ char buf[256];
+ pid_t pid;
+ __u64 val;
+
+ if (CHECK(pipe(pipe_c2p), test_name,
+ "pipe pipe_c2p error: %s\n", strerror(errno)))
+ goto no_fork_done;
+
+ if (CHECK(pipe(pipe_p2c), test_name,
+ "pipe pipe_p2c error: %s\n", strerror(errno))) {
+ close(pipe_c2p[0]);
+ close(pipe_c2p[1]);
+ goto no_fork_done;
+ }
+
+ pid = fork();
+ if (CHECK(pid < 0, test_name, "fork error: %s\n", strerror(errno))) {
+ close(pipe_c2p[0]);
+ close(pipe_c2p[1]);
+ close(pipe_p2c[0]);
+ close(pipe_p2c[1]);
+ goto no_fork_done;
+ }
+
+ if (pid == 0) {
+ /* install signal handler and notify parent */
+ signal(SIGUSR1, sigusr1_handler);
+
+ close(pipe_c2p[0]); /* close read */
+ close(pipe_p2c[1]); /* close write */
+
+ /* notify parent signal handler is installed */
+ write(pipe_c2p[1], buf, 1);
+
+ /* make sure parent enabled bpf program to send_signal */
+ read(pipe_p2c[0], buf, 1);
+
+ /* wait a little for signal handler */
+ sleep(1);
+
+ if (sigusr1_received)
+ write(pipe_c2p[1], "2", 1);
+ else
+ write(pipe_c2p[1], "0", 1);
+
+ /* wait for parent notification and exit */
+ read(pipe_p2c[0], buf, 1);
+
+ close(pipe_c2p[1]);
+ close(pipe_p2c[0]);
+ exit(0);
+ }
+
+ close(pipe_c2p[1]); /* close write */
+ close(pipe_p2c[0]); /* close read */
+
+ err = bpf_prog_load(file, prog_type, &obj, &prog_fd);
+ if (CHECK(err < 0, test_name, "bpf_prog_load error: %s\n",
+ strerror(errno)))
+ goto prog_load_failure;
+
+ pmu_fd = syscall(__NR_perf_event_open, attr, pid, -1,
+ -1 /* group id */, 0 /* flags */);
+ if (CHECK(pmu_fd < 0, test_name, "perf_event_open error: %s\n",
+ strerror(errno))) {
+ err = -1;
+ goto close_prog;
+ }
+
+ err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
+ if (CHECK(err < 0, test_name, "ioctl perf_event_ioc_enable error: %s\n",
+ strerror(errno)))
+ goto disable_pmu;
+
+ err = ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd);
+ if (CHECK(err < 0, test_name, "ioctl perf_event_ioc_set_bpf error: %s\n",
+ strerror(errno)))
+ goto disable_pmu;
+
+ err = -1;
+ info_map_fd = bpf_object__find_map_fd_by_name(obj, "info_map");
+ if (CHECK(info_map_fd < 0, test_name, "find map %s error\n", "info_map"))
+ goto disable_pmu;
+
+ status_map_fd = bpf_object__find_map_fd_by_name(obj, "status_map");
+ if (CHECK(status_map_fd < 0, test_name, "find map %s error\n", "status_map"))
+ goto disable_pmu;
+
+ /* wait until child signal handler installed */
+ read(pipe_c2p[0], buf, 1);
+
+ /* trigger the bpf send_signal */
+ key = 0;
+ val = (((__u64)(SIGUSR1)) << 32) | pid;
+ bpf_map_update_elem(info_map_fd, &key, &val, 0);
+
+ /* notify child that bpf program can send_signal now */
+ write(pipe_p2c[1], buf, 1);
+
+ /* wait for result */
+ err = read(pipe_c2p[0], buf, 1);
+ if (CHECK(err < 0, test_name, "reading pipe error: %s\n", strerror(errno)))
+ goto disable_pmu;
+ if (CHECK(err == 0, test_name, "reading pipe error: size 0\n")) {
+ err = -1;
+ goto disable_pmu;
+ }
+
+ err = CHECK(buf[0] != '2', test_name, "incorrect result\n");
+
+ /* notify child safe to exit */
+ write(pipe_p2c[1], buf, 1);
+
+disable_pmu:
+ close(pmu_fd);
+close_prog:
+ bpf_object__close(obj);
+prog_load_failure:
+ close(pipe_c2p[0]);
+ close(pipe_p2c[1]);
+ wait(NULL);
+no_fork_done:
+ return err;
+}
+
+static int test_send_signal_tracepoint(void)
+{
+ const char *id_path = "/sys/kernel/debug/tracing/events/syscalls/sys_enter_nanosleep/id";
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_TRACEPOINT,
+ .sample_type = PERF_SAMPLE_RAW | PERF_SAMPLE_CALLCHAIN,
+ .sample_period = 1,
+ .wakeup_events = 1,
+ };
+ __u32 duration = 0;
+ int bytes, efd;
+ char buf[256];
+
+ efd = open(id_path, O_RDONLY, 0);
+ if (CHECK(efd < 0, "tracepoint",
+ "open syscalls/sys_enter_nanosleep/id failure: %s\n",
+ strerror(errno)))
+ return -1;
+
+ bytes = read(efd, buf, sizeof(buf));
+ close(efd);
+ if (CHECK(bytes <= 0 || bytes >= sizeof(buf), "tracepoint",
+ "read syscalls/sys_enter_nanosleep/id failure: %s\n",
+ strerror(errno)))
+ return -1;
+
+ attr.config = strtol(buf, NULL, 0);
+
+ return test_send_signal_common(&attr, BPF_PROG_TYPE_TRACEPOINT, "tracepoint");
+}
+
+static int test_send_signal_nmi(void)
+{
+ struct perf_event_attr attr = {
+ .sample_freq = 50,
+ .freq = 1,
+ .type = PERF_TYPE_HARDWARE,
+ .config = PERF_COUNT_HW_CPU_CYCLES,
+ };
+
+ return test_send_signal_common(&attr, BPF_PROG_TYPE_PERF_EVENT, "perf_event");
+}
+
+void test_send_signal(void)
+{
+ int ret = 0;
+
+ ret |= test_send_signal_tracepoint();
+ ret |= test_send_signal_nmi();
+ if (!ret)
+ printf("test_send_signal:OK\n");
+ else
+ printf("test_send_signal:FAIL\n");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/signal_pending.c b/tools/testing/selftests/bpf/prog_tests/signal_pending.c
new file mode 100644
index 000000000000..996e808f43a2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/signal_pending.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+static void sigalrm_handler(int s) {}
+static struct sigaction sigalrm_action = {
+ .sa_handler = sigalrm_handler,
+};
+
+static void test_signal_pending_by_type(enum bpf_prog_type prog_type)
+{
+ struct bpf_insn prog[4096];
+ struct itimerval timeo = {
+ .it_value.tv_usec = 100000, /* 100ms */
+ };
+ __u32 duration = 0, retval;
+ int prog_fd;
+ int err;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(prog); i++)
+ prog[i] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0);
+ prog[ARRAY_SIZE(prog) - 1] = BPF_EXIT_INSN();
+
+ prog_fd = bpf_load_program(prog_type, prog, ARRAY_SIZE(prog),
+ "GPL", 0, NULL, 0);
+ CHECK(prog_fd < 0, "test-run", "errno %d\n", errno);
+
+ err = sigaction(SIGALRM, &sigalrm_action, NULL);
+ CHECK(err, "test-run-signal-sigaction", "errno %d\n", errno);
+
+ err = setitimer(ITIMER_REAL, &timeo, NULL);
+ CHECK(err, "test-run-signal-timer", "errno %d\n", errno);
+
+ err = bpf_prog_test_run(prog_fd, 0xffffffff, &pkt_v4, sizeof(pkt_v4),
+ NULL, NULL, &retval, &duration);
+ CHECK(duration > 500000000, /* 500ms */
+ "test-run-signal-duration",
+ "duration %dns > 500ms\n",
+ duration);
+
+ signal(SIGALRM, SIG_DFL);
+}
+
+void test_signal_pending(enum bpf_prog_type prog_type)
+{
+ test_signal_pending_by_type(BPF_PROG_TYPE_SOCKET_FILTER);
+ test_signal_pending_by_type(BPF_PROG_TYPE_FLOW_DISSECTOR);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/skb_ctx.c b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c
new file mode 100644
index 000000000000..e95baa32e277
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_skb_ctx(void)
+{
+ struct __sk_buff skb = {
+ .cb[0] = 1,
+ .cb[1] = 2,
+ .cb[2] = 3,
+ .cb[3] = 4,
+ .cb[4] = 5,
+ .priority = 6,
+ };
+ struct bpf_prog_test_run_attr tattr = {
+ .data_in = &pkt_v4,
+ .data_size_in = sizeof(pkt_v4),
+ .ctx_in = &skb,
+ .ctx_size_in = sizeof(skb),
+ .ctx_out = &skb,
+ .ctx_size_out = sizeof(skb),
+ };
+ struct bpf_object *obj;
+ int err;
+ int i;
+
+ err = bpf_prog_load("./test_skb_ctx.o", BPF_PROG_TYPE_SCHED_CLS, &obj,
+ &tattr.prog_fd);
+ if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno))
+ return;
+
+ /* ctx_in != NULL, ctx_size_in == 0 */
+
+ tattr.ctx_size_in = 0;
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err == 0, "ctx_size_in", "err %d errno %d\n", err, errno);
+ tattr.ctx_size_in = sizeof(skb);
+
+ /* ctx_out != NULL, ctx_size_out == 0 */
+
+ tattr.ctx_size_out = 0;
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err == 0, "ctx_size_out", "err %d errno %d\n", err, errno);
+ tattr.ctx_size_out = sizeof(skb);
+
+ /* non-zero [len, tc_index] fields should be rejected*/
+
+ skb.len = 1;
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err == 0, "len", "err %d errno %d\n", err, errno);
+ skb.len = 0;
+
+ skb.tc_index = 1;
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err == 0, "tc_index", "err %d errno %d\n", err, errno);
+ skb.tc_index = 0;
+
+ /* non-zero [hash, sk] fields should be rejected */
+
+ skb.hash = 1;
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err == 0, "hash", "err %d errno %d\n", err, errno);
+ skb.hash = 0;
+
+ skb.sk = (struct bpf_sock *)1;
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err == 0, "sk", "err %d errno %d\n", err, errno);
+ skb.sk = 0;
+
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err != 0 || tattr.retval,
+ "run",
+ "err %d errno %d retval %d\n",
+ err, errno, tattr.retval);
+
+ CHECK_ATTR(tattr.ctx_size_out != sizeof(skb),
+ "ctx_size_out",
+ "incorrect output size, want %lu have %u\n",
+ sizeof(skb), tattr.ctx_size_out);
+
+ for (i = 0; i < 5; i++)
+ CHECK_ATTR(skb.cb[i] != i + 2,
+ "ctx_out_cb",
+ "skb->cb[i] == %d, expected %d\n",
+ skb.cb[i], i + 2);
+ CHECK_ATTR(skb.priority != 7,
+ "ctx_out_priority",
+ "skb->priority == %d, expected %d\n",
+ skb.priority, 7);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/spinlock.c b/tools/testing/selftests/bpf/prog_tests/spinlock.c
new file mode 100644
index 000000000000..114ebe6a438e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/spinlock.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_spinlock(void)
+{
+ const char *file = "./test_spin_lock.o";
+ pthread_t thread_id[4];
+ struct bpf_object *obj = NULL;
+ int prog_fd;
+ int err = 0, i;
+ void *ret;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
+ if (err) {
+ printf("test_spin_lock:bpf_prog_load errno %d\n", errno);
+ goto close_prog;
+ }
+ for (i = 0; i < 4; i++)
+ assert(pthread_create(&thread_id[i], NULL,
+ &spin_lock_thread, &prog_fd) == 0);
+ for (i = 0; i < 4; i++)
+ assert(pthread_join(thread_id[i], &ret) == 0 &&
+ ret == (void *)&prog_fd);
+ goto close_prog_noerr;
+close_prog:
+ error_cnt++;
+close_prog_noerr:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
new file mode 100644
index 000000000000..ac44fda84833
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_stacktrace_build_id(void)
+{
+ int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd;
+ const char *prog_name = "tracepoint/random/urandom_read";
+ const char *file = "./test_stacktrace_build_id.o";
+ int err, prog_fd, stack_trace_len;
+ __u32 key, previous_key, val, duration = 0;
+ struct bpf_program *prog;
+ struct bpf_object *obj;
+ struct bpf_link *link = NULL;
+ char buf[256];
+ int i, j;
+ struct bpf_stack_build_id id_offs[PERF_MAX_STACK_DEPTH];
+ int build_id_matches = 0;
+ int retry = 1;
+
+retry:
+ err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
+ if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
+ return;
+
+ prog = bpf_object__find_program_by_title(obj, prog_name);
+ if (CHECK(!prog, "find_prog", "prog '%s' not found\n", prog_name))
+ goto close_prog;
+
+ link = bpf_program__attach_tracepoint(prog, "random", "urandom_read");
+ if (CHECK(IS_ERR(link), "attach_tp", "err %ld\n", PTR_ERR(link)))
+ goto close_prog;
+
+ /* find map fds */
+ control_map_fd = bpf_find_map(__func__, obj, "control_map");
+ if (CHECK(control_map_fd < 0, "bpf_find_map control_map",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
+ if (CHECK(stackid_hmap_fd < 0, "bpf_find_map stackid_hmap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
+ if (CHECK(stackmap_fd < 0, "bpf_find_map stackmap", "err %d errno %d\n",
+ err, errno))
+ goto disable_pmu;
+
+ stack_amap_fd = bpf_find_map(__func__, obj, "stack_amap");
+ if (CHECK(stack_amap_fd < 0, "bpf_find_map stack_amap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ assert(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")
+ == 0);
+ assert(system("./urandom_read") == 0);
+ /* disable stack trace collection */
+ key = 0;
+ val = 1;
+ bpf_map_update_elem(control_map_fd, &key, &val, 0);
+
+ /* for every element in stackid_hmap, we can find a corresponding one
+ * in stackmap, and vise versa.
+ */
+ err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
+ if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
+ if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ err = extract_build_id(buf, 256);
+
+ if (CHECK(err, "get build_id with readelf",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ err = bpf_map_get_next_key(stackmap_fd, NULL, &key);
+ if (CHECK(err, "get_next_key from stackmap",
+ "err %d, errno %d\n", err, errno))
+ goto disable_pmu;
+
+ do {
+ char build_id[64];
+
+ err = bpf_map_lookup_elem(stackmap_fd, &key, id_offs);
+ if (CHECK(err, "lookup_elem from stackmap",
+ "err %d, errno %d\n", err, errno))
+ goto disable_pmu;
+ for (i = 0; i < PERF_MAX_STACK_DEPTH; ++i)
+ if (id_offs[i].status == BPF_STACK_BUILD_ID_VALID &&
+ id_offs[i].offset != 0) {
+ for (j = 0; j < 20; ++j)
+ sprintf(build_id + 2 * j, "%02x",
+ id_offs[i].build_id[j] & 0xff);
+ if (strstr(buf, build_id) != NULL)
+ build_id_matches = 1;
+ }
+ previous_key = key;
+ } while (bpf_map_get_next_key(stackmap_fd, &previous_key, &key) == 0);
+
+ /* stack_map_get_build_id_offset() is racy and sometimes can return
+ * BPF_STACK_BUILD_ID_IP instead of BPF_STACK_BUILD_ID_VALID;
+ * try it one more time.
+ */
+ if (build_id_matches < 1 && retry--) {
+ bpf_link__destroy(link);
+ bpf_object__close(obj);
+ printf("%s:WARN:Didn't find expected build ID from the map, retrying\n",
+ __func__);
+ goto retry;
+ }
+
+ if (CHECK(build_id_matches < 1, "build id match",
+ "Didn't find expected build ID from the map\n"))
+ goto disable_pmu;
+
+ stack_trace_len = PERF_MAX_STACK_DEPTH
+ * sizeof(struct bpf_stack_build_id);
+ err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
+ CHECK(err, "compare_stack_ips stackmap vs. stack_amap",
+ "err %d errno %d\n", err, errno);
+
+disable_pmu:
+ bpf_link__destroy(link);
+
+close_prog:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c
new file mode 100644
index 000000000000..9557b7dfb782
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+static __u64 read_perf_max_sample_freq(void)
+{
+ __u64 sample_freq = 5000; /* fallback to 5000 on error */
+ FILE *f;
+
+ f = fopen("/proc/sys/kernel/perf_event_max_sample_rate", "r");
+ if (f == NULL)
+ return sample_freq;
+ fscanf(f, "%llu", &sample_freq);
+ fclose(f);
+ return sample_freq;
+}
+
+void test_stacktrace_build_id_nmi(void)
+{
+ int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd;
+ const char *prog_name = "tracepoint/random/urandom_read";
+ const char *file = "./test_stacktrace_build_id.o";
+ int err, pmu_fd, prog_fd;
+ struct perf_event_attr attr = {
+ .freq = 1,
+ .type = PERF_TYPE_HARDWARE,
+ .config = PERF_COUNT_HW_CPU_CYCLES,
+ };
+ __u32 key, previous_key, val, duration = 0;
+ struct bpf_program *prog;
+ struct bpf_object *obj;
+ struct bpf_link *link;
+ char buf[256];
+ int i, j;
+ struct bpf_stack_build_id id_offs[PERF_MAX_STACK_DEPTH];
+ int build_id_matches = 0;
+ int retry = 1;
+
+ attr.sample_freq = read_perf_max_sample_freq();
+
+retry:
+ err = bpf_prog_load(file, BPF_PROG_TYPE_PERF_EVENT, &obj, &prog_fd);
+ if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
+ return;
+
+ prog = bpf_object__find_program_by_title(obj, prog_name);
+ if (CHECK(!prog, "find_prog", "prog '%s' not found\n", prog_name))
+ goto close_prog;
+
+ pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+ 0 /* cpu 0 */, -1 /* group id */,
+ 0 /* flags */);
+ if (CHECK(pmu_fd < 0, "perf_event_open",
+ "err %d errno %d. Does the test host support PERF_COUNT_HW_CPU_CYCLES?\n",
+ pmu_fd, errno))
+ goto close_prog;
+
+ link = bpf_program__attach_perf_event(prog, pmu_fd);
+ if (CHECK(IS_ERR(link), "attach_perf_event",
+ "err %ld\n", PTR_ERR(link))) {
+ close(pmu_fd);
+ goto close_prog;
+ }
+
+ /* find map fds */
+ control_map_fd = bpf_find_map(__func__, obj, "control_map");
+ if (CHECK(control_map_fd < 0, "bpf_find_map control_map",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
+ if (CHECK(stackid_hmap_fd < 0, "bpf_find_map stackid_hmap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
+ if (CHECK(stackmap_fd < 0, "bpf_find_map stackmap", "err %d errno %d\n",
+ err, errno))
+ goto disable_pmu;
+
+ stack_amap_fd = bpf_find_map(__func__, obj, "stack_amap");
+ if (CHECK(stack_amap_fd < 0, "bpf_find_map stack_amap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ assert(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")
+ == 0);
+ assert(system("taskset 0x1 ./urandom_read 100000") == 0);
+ /* disable stack trace collection */
+ key = 0;
+ val = 1;
+ bpf_map_update_elem(control_map_fd, &key, &val, 0);
+
+ /* for every element in stackid_hmap, we can find a corresponding one
+ * in stackmap, and vise versa.
+ */
+ err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
+ if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
+ if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ err = extract_build_id(buf, 256);
+
+ if (CHECK(err, "get build_id with readelf",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu;
+
+ err = bpf_map_get_next_key(stackmap_fd, NULL, &key);
+ if (CHECK(err, "get_next_key from stackmap",
+ "err %d, errno %d\n", err, errno))
+ goto disable_pmu;
+
+ do {
+ char build_id[64];
+
+ err = bpf_map_lookup_elem(stackmap_fd, &key, id_offs);
+ if (CHECK(err, "lookup_elem from stackmap",
+ "err %d, errno %d\n", err, errno))
+ goto disable_pmu;
+ for (i = 0; i < PERF_MAX_STACK_DEPTH; ++i)
+ if (id_offs[i].status == BPF_STACK_BUILD_ID_VALID &&
+ id_offs[i].offset != 0) {
+ for (j = 0; j < 20; ++j)
+ sprintf(build_id + 2 * j, "%02x",
+ id_offs[i].build_id[j] & 0xff);
+ if (strstr(buf, build_id) != NULL)
+ build_id_matches = 1;
+ }
+ previous_key = key;
+ } while (bpf_map_get_next_key(stackmap_fd, &previous_key, &key) == 0);
+
+ /* stack_map_get_build_id_offset() is racy and sometimes can return
+ * BPF_STACK_BUILD_ID_IP instead of BPF_STACK_BUILD_ID_VALID;
+ * try it one more time.
+ */
+ if (build_id_matches < 1 && retry--) {
+ bpf_link__destroy(link);
+ bpf_object__close(obj);
+ printf("%s:WARN:Didn't find expected build ID from the map, retrying\n",
+ __func__);
+ goto retry;
+ }
+
+ if (CHECK(build_id_matches < 1, "build id match",
+ "Didn't find expected build ID from the map\n"))
+ goto disable_pmu;
+
+ /*
+ * We intentionally skip compare_stack_ips(). This is because we
+ * only support one in_nmi() ips-to-build_id translation per cpu
+ * at any time, thus stack_amap here will always fallback to
+ * BPF_STACK_BUILD_ID_IP;
+ */
+
+disable_pmu:
+ bpf_link__destroy(link);
+close_prog:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c
new file mode 100644
index 000000000000..fc539335c5b3
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_stacktrace_map(void)
+{
+ int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd;
+ const char *prog_name = "tracepoint/sched/sched_switch";
+ int err, prog_fd, stack_trace_len;
+ const char *file = "./test_stacktrace_map.o";
+ __u32 key, val, duration = 0;
+ struct bpf_program *prog;
+ struct bpf_object *obj;
+ struct bpf_link *link;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
+ if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
+ return;
+
+ prog = bpf_object__find_program_by_title(obj, prog_name);
+ if (CHECK(!prog, "find_prog", "prog '%s' not found\n", prog_name))
+ goto close_prog;
+
+ link = bpf_program__attach_tracepoint(prog, "sched", "sched_switch");
+ if (CHECK(IS_ERR(link), "attach_tp", "err %ld\n", PTR_ERR(link)))
+ goto close_prog;
+
+ /* find map fds */
+ control_map_fd = bpf_find_map(__func__, obj, "control_map");
+ if (control_map_fd < 0)
+ goto disable_pmu;
+
+ stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
+ if (stackid_hmap_fd < 0)
+ goto disable_pmu;
+
+ stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
+ if (stackmap_fd < 0)
+ goto disable_pmu;
+
+ stack_amap_fd = bpf_find_map(__func__, obj, "stack_amap");
+ if (stack_amap_fd < 0)
+ goto disable_pmu;
+
+ /* give some time for bpf program run */
+ sleep(1);
+
+ /* disable stack trace collection */
+ key = 0;
+ val = 1;
+ bpf_map_update_elem(control_map_fd, &key, &val, 0);
+
+ /* for every element in stackid_hmap, we can find a corresponding one
+ * in stackmap, and vise versa.
+ */
+ err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
+ if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu_noerr;
+
+ err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
+ if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu_noerr;
+
+ stack_trace_len = PERF_MAX_STACK_DEPTH * sizeof(__u64);
+ err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
+ if (CHECK(err, "compare_stack_ips stackmap vs. stack_amap",
+ "err %d errno %d\n", err, errno))
+ goto disable_pmu_noerr;
+
+ goto disable_pmu_noerr;
+disable_pmu:
+ error_cnt++;
+disable_pmu_noerr:
+ bpf_link__destroy(link);
+close_prog:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c
new file mode 100644
index 000000000000..fbfa8e76cf63
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_stacktrace_map_raw_tp(void)
+{
+ const char *prog_name = "tracepoint/sched/sched_switch";
+ int control_map_fd, stackid_hmap_fd, stackmap_fd;
+ const char *file = "./test_stacktrace_map.o";
+ __u32 key, val, duration = 0;
+ int err, prog_fd;
+ struct bpf_program *prog;
+ struct bpf_object *obj;
+ struct bpf_link *link = NULL;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
+ if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
+ return;
+
+ prog = bpf_object__find_program_by_title(obj, prog_name);
+ if (CHECK(!prog, "find_prog", "prog '%s' not found\n", prog_name))
+ goto close_prog;
+
+ link = bpf_program__attach_raw_tracepoint(prog, "sched_switch");
+ if (CHECK(IS_ERR(link), "attach_raw_tp", "err %ld\n", PTR_ERR(link)))
+ goto close_prog;
+
+ /* find map fds */
+ control_map_fd = bpf_find_map(__func__, obj, "control_map");
+ if (control_map_fd < 0)
+ goto close_prog;
+
+ stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
+ if (stackid_hmap_fd < 0)
+ goto close_prog;
+
+ stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
+ if (stackmap_fd < 0)
+ goto close_prog;
+
+ /* give some time for bpf program run */
+ sleep(1);
+
+ /* disable stack trace collection */
+ key = 0;
+ val = 1;
+ bpf_map_update_elem(control_map_fd, &key, &val, 0);
+
+ /* for every element in stackid_hmap, we can find a corresponding one
+ * in stackmap, and vise versa.
+ */
+ err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
+ if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
+ "err %d errno %d\n", err, errno))
+ goto close_prog;
+
+ err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
+ if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
+ "err %d errno %d\n", err, errno))
+ goto close_prog;
+
+ goto close_prog_noerr;
+close_prog:
+ error_cnt++;
+close_prog_noerr:
+ if (!IS_ERR_OR_NULL(link))
+ bpf_link__destroy(link);
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c b/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c
new file mode 100644
index 000000000000..958a3d88de99
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_task_fd_query_rawtp(void)
+{
+ const char *file = "./test_get_stack_rawtp.o";
+ __u64 probe_offset, probe_addr;
+ __u32 len, prog_id, fd_type;
+ struct bpf_object *obj;
+ int efd, err, prog_fd;
+ __u32 duration = 0;
+ char buf[256];
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
+ if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
+ return;
+
+ efd = bpf_raw_tracepoint_open("sys_enter", prog_fd);
+ if (CHECK(efd < 0, "raw_tp_open", "err %d errno %d\n", efd, errno))
+ goto close_prog;
+
+ /* query (getpid(), efd) */
+ len = sizeof(buf);
+ err = bpf_task_fd_query(getpid(), efd, 0, buf, &len, &prog_id,
+ &fd_type, &probe_offset, &probe_addr);
+ if (CHECK(err < 0, "bpf_task_fd_query", "err %d errno %d\n", err,
+ errno))
+ goto close_prog;
+
+ err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
+ strcmp(buf, "sys_enter") == 0;
+ if (CHECK(!err, "check_results", "fd_type %d tp_name %s\n",
+ fd_type, buf))
+ goto close_prog;
+
+ /* test zero len */
+ len = 0;
+ err = bpf_task_fd_query(getpid(), efd, 0, buf, &len, &prog_id,
+ &fd_type, &probe_offset, &probe_addr);
+ if (CHECK(err < 0, "bpf_task_fd_query (len = 0)", "err %d errno %d\n",
+ err, errno))
+ goto close_prog;
+ err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
+ len == strlen("sys_enter");
+ if (CHECK(!err, "check_results", "fd_type %d len %u\n", fd_type, len))
+ goto close_prog;
+
+ /* test empty buffer */
+ len = sizeof(buf);
+ err = bpf_task_fd_query(getpid(), efd, 0, 0, &len, &prog_id,
+ &fd_type, &probe_offset, &probe_addr);
+ if (CHECK(err < 0, "bpf_task_fd_query (buf = 0)", "err %d errno %d\n",
+ err, errno))
+ goto close_prog;
+ err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
+ len == strlen("sys_enter");
+ if (CHECK(!err, "check_results", "fd_type %d len %u\n", fd_type, len))
+ goto close_prog;
+
+ /* test smaller buffer */
+ len = 3;
+ err = bpf_task_fd_query(getpid(), efd, 0, buf, &len, &prog_id,
+ &fd_type, &probe_offset, &probe_addr);
+ if (CHECK(err >= 0 || errno != ENOSPC, "bpf_task_fd_query (len = 3)",
+ "err %d errno %d\n", err, errno))
+ goto close_prog;
+ err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
+ len == strlen("sys_enter") &&
+ strcmp(buf, "sy") == 0;
+ if (CHECK(!err, "check_results", "fd_type %d len %u\n", fd_type, len))
+ goto close_prog;
+
+ goto close_prog_noerr;
+close_prog:
+ error_cnt++;
+close_prog_noerr:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c b/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c
new file mode 100644
index 000000000000..f9b70e81682b
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+static void test_task_fd_query_tp_core(const char *probe_name,
+ const char *tp_name)
+{
+ const char *file = "./test_tracepoint.o";
+ int err, bytes, efd, prog_fd, pmu_fd;
+ struct perf_event_attr attr = {};
+ __u64 probe_offset, probe_addr;
+ __u32 len, prog_id, fd_type;
+ struct bpf_object *obj = NULL;
+ __u32 duration = 0;
+ char buf[256];
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
+ if (CHECK(err, "bpf_prog_load", "err %d errno %d\n", err, errno))
+ goto close_prog;
+
+ snprintf(buf, sizeof(buf),
+ "/sys/kernel/debug/tracing/events/%s/id", probe_name);
+ efd = open(buf, O_RDONLY, 0);
+ if (CHECK(efd < 0, "open", "err %d errno %d\n", efd, errno))
+ goto close_prog;
+ bytes = read(efd, buf, sizeof(buf));
+ close(efd);
+ if (CHECK(bytes <= 0 || bytes >= sizeof(buf), "read",
+ "bytes %d errno %d\n", bytes, errno))
+ goto close_prog;
+
+ attr.config = strtol(buf, NULL, 0);
+ attr.type = PERF_TYPE_TRACEPOINT;
+ attr.sample_type = PERF_SAMPLE_RAW;
+ attr.sample_period = 1;
+ attr.wakeup_events = 1;
+ pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+ 0 /* cpu 0 */, -1 /* group id */,
+ 0 /* flags */);
+ if (CHECK(err, "perf_event_open", "err %d errno %d\n", err, errno))
+ goto close_pmu;
+
+ err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
+ if (CHECK(err, "perf_event_ioc_enable", "err %d errno %d\n", err,
+ errno))
+ goto close_pmu;
+
+ err = ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd);
+ if (CHECK(err, "perf_event_ioc_set_bpf", "err %d errno %d\n", err,
+ errno))
+ goto close_pmu;
+
+ /* query (getpid(), pmu_fd) */
+ len = sizeof(buf);
+ err = bpf_task_fd_query(getpid(), pmu_fd, 0, buf, &len, &prog_id,
+ &fd_type, &probe_offset, &probe_addr);
+ if (CHECK(err < 0, "bpf_task_fd_query", "err %d errno %d\n", err,
+ errno))
+ goto close_pmu;
+
+ err = (fd_type == BPF_FD_TYPE_TRACEPOINT) && !strcmp(buf, tp_name);
+ if (CHECK(!err, "check_results", "fd_type %d tp_name %s\n",
+ fd_type, buf))
+ goto close_pmu;
+
+ close(pmu_fd);
+ goto close_prog_noerr;
+
+close_pmu:
+ close(pmu_fd);
+close_prog:
+ error_cnt++;
+close_prog_noerr:
+ bpf_object__close(obj);
+}
+
+void test_task_fd_query_tp(void)
+{
+ test_task_fd_query_tp_core("sched/sched_switch",
+ "sched_switch");
+ test_task_fd_query_tp_core("syscalls/sys_enter_read",
+ "sys_enter_read");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_estats.c b/tools/testing/selftests/bpf/prog_tests/tcp_estats.c
new file mode 100644
index 000000000000..bb8759d69099
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tcp_estats.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_tcp_estats(void)
+{
+ const char *file = "./test_tcp_estats.o";
+ int err, prog_fd;
+ struct bpf_object *obj;
+ __u32 duration = 0;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
+ CHECK(err, "", "err %d errno %d\n", err, errno);
+ if (err) {
+ error_cnt++;
+ return;
+ }
+
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c b/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c
new file mode 100644
index 000000000000..fb095e5cd9af
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c
@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_tp_attach_query(void)
+{
+ const int num_progs = 3;
+ int i, j, bytes, efd, err, prog_fd[num_progs], pmu_fd[num_progs];
+ __u32 duration = 0, info_len, saved_prog_ids[num_progs];
+ const char *file = "./test_tracepoint.o";
+ struct perf_event_query_bpf *query;
+ struct perf_event_attr attr = {};
+ struct bpf_object *obj[num_progs];
+ struct bpf_prog_info prog_info;
+ char buf[256];
+
+ for (i = 0; i < num_progs; i++)
+ obj[i] = NULL;
+
+ snprintf(buf, sizeof(buf),
+ "/sys/kernel/debug/tracing/events/sched/sched_switch/id");
+ efd = open(buf, O_RDONLY, 0);
+ if (CHECK(efd < 0, "open", "err %d errno %d\n", efd, errno))
+ return;
+ bytes = read(efd, buf, sizeof(buf));
+ close(efd);
+ if (CHECK(bytes <= 0 || bytes >= sizeof(buf),
+ "read", "bytes %d errno %d\n", bytes, errno))
+ return;
+
+ attr.config = strtol(buf, NULL, 0);
+ attr.type = PERF_TYPE_TRACEPOINT;
+ attr.sample_type = PERF_SAMPLE_RAW | PERF_SAMPLE_CALLCHAIN;
+ attr.sample_period = 1;
+ attr.wakeup_events = 1;
+
+ query = malloc(sizeof(*query) + sizeof(__u32) * num_progs);
+ for (i = 0; i < num_progs; i++) {
+ err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj[i],
+ &prog_fd[i]);
+ if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
+ goto cleanup1;
+
+ bzero(&prog_info, sizeof(prog_info));
+ prog_info.jited_prog_len = 0;
+ prog_info.xlated_prog_len = 0;
+ prog_info.nr_map_ids = 0;
+ info_len = sizeof(prog_info);
+ err = bpf_obj_get_info_by_fd(prog_fd[i], &prog_info, &info_len);
+ if (CHECK(err, "bpf_obj_get_info_by_fd", "err %d errno %d\n",
+ err, errno))
+ goto cleanup1;
+ saved_prog_ids[i] = prog_info.id;
+
+ pmu_fd[i] = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+ 0 /* cpu 0 */, -1 /* group id */,
+ 0 /* flags */);
+ if (CHECK(pmu_fd[i] < 0, "perf_event_open", "err %d errno %d\n",
+ pmu_fd[i], errno))
+ goto cleanup2;
+ err = ioctl(pmu_fd[i], PERF_EVENT_IOC_ENABLE, 0);
+ if (CHECK(err, "perf_event_ioc_enable", "err %d errno %d\n",
+ err, errno))
+ goto cleanup3;
+
+ if (i == 0) {
+ /* check NULL prog array query */
+ query->ids_len = num_progs;
+ err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
+ if (CHECK(err || query->prog_cnt != 0,
+ "perf_event_ioc_query_bpf",
+ "err %d errno %d query->prog_cnt %u\n",
+ err, errno, query->prog_cnt))
+ goto cleanup3;
+ }
+
+ err = ioctl(pmu_fd[i], PERF_EVENT_IOC_SET_BPF, prog_fd[i]);
+ if (CHECK(err, "perf_event_ioc_set_bpf", "err %d errno %d\n",
+ err, errno))
+ goto cleanup3;
+
+ if (i == 1) {
+ /* try to get # of programs only */
+ query->ids_len = 0;
+ err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
+ if (CHECK(err || query->prog_cnt != 2,
+ "perf_event_ioc_query_bpf",
+ "err %d errno %d query->prog_cnt %u\n",
+ err, errno, query->prog_cnt))
+ goto cleanup3;
+
+ /* try a few negative tests */
+ /* invalid query pointer */
+ err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF,
+ (struct perf_event_query_bpf *)0x1);
+ if (CHECK(!err || errno != EFAULT,
+ "perf_event_ioc_query_bpf",
+ "err %d errno %d\n", err, errno))
+ goto cleanup3;
+
+ /* no enough space */
+ query->ids_len = 1;
+ err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
+ if (CHECK(!err || errno != ENOSPC || query->prog_cnt != 2,
+ "perf_event_ioc_query_bpf",
+ "err %d errno %d query->prog_cnt %u\n",
+ err, errno, query->prog_cnt))
+ goto cleanup3;
+ }
+
+ query->ids_len = num_progs;
+ err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
+ if (CHECK(err || query->prog_cnt != (i + 1),
+ "perf_event_ioc_query_bpf",
+ "err %d errno %d query->prog_cnt %u\n",
+ err, errno, query->prog_cnt))
+ goto cleanup3;
+ for (j = 0; j < i + 1; j++)
+ if (CHECK(saved_prog_ids[j] != query->ids[j],
+ "perf_event_ioc_query_bpf",
+ "#%d saved_prog_id %x query prog_id %x\n",
+ j, saved_prog_ids[j], query->ids[j]))
+ goto cleanup3;
+ }
+
+ i = num_progs - 1;
+ for (; i >= 0; i--) {
+ cleanup3:
+ ioctl(pmu_fd[i], PERF_EVENT_IOC_DISABLE);
+ cleanup2:
+ close(pmu_fd[i]);
+ cleanup1:
+ bpf_object__close(obj[i]);
+ }
+ free(query);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp.c b/tools/testing/selftests/bpf/prog_tests/xdp.c
new file mode 100644
index 000000000000..a74167289545
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_xdp(void)
+{
+ struct vip key4 = {.protocol = 6, .family = AF_INET};
+ struct vip key6 = {.protocol = 6, .family = AF_INET6};
+ struct iptnl_info value4 = {.family = AF_INET};
+ struct iptnl_info value6 = {.family = AF_INET6};
+ const char *file = "./test_xdp.o";
+ struct bpf_object *obj;
+ char buf[128];
+ struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr);
+ struct iphdr *iph = (void *)buf + sizeof(struct ethhdr);
+ __u32 duration, retval, size;
+ int err, prog_fd, map_fd;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+ if (err) {
+ error_cnt++;
+ return;
+ }
+
+ map_fd = bpf_find_map(__func__, obj, "vip2tnl");
+ if (map_fd < 0)
+ goto out;
+ bpf_map_update_elem(map_fd, &key4, &value4, 0);
+ bpf_map_update_elem(map_fd, &key6, &value6, 0);
+
+ err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
+ buf, &size, &retval, &duration);
+
+ CHECK(err || retval != XDP_TX || size != 74 ||
+ iph->protocol != IPPROTO_IPIP, "ipv4",
+ "err %d errno %d retval %d size %d\n",
+ err, errno, retval, size);
+
+ err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
+ buf, &size, &retval, &duration);
+ CHECK(err || retval != XDP_TX || size != 114 ||
+ iph6->nexthdr != IPPROTO_IPV6, "ipv6",
+ "err %d errno %d retval %d size %d\n",
+ err, errno, retval, size);
+out:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
new file mode 100644
index 000000000000..922aa0a19764
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_xdp_adjust_tail(void)
+{
+ const char *file = "./test_adjust_tail.o";
+ struct bpf_object *obj;
+ char buf[128];
+ __u32 duration, retval, size;
+ int err, prog_fd;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+ if (err) {
+ error_cnt++;
+ return;
+ }
+
+ err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
+ buf, &size, &retval, &duration);
+
+ CHECK(err || retval != XDP_DROP,
+ "ipv4", "err %d errno %d retval %d size %d\n",
+ err, errno, retval, size);
+
+ err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
+ buf, &size, &retval, &duration);
+ CHECK(err || retval != XDP_TX || size != 54,
+ "ipv6", "err %d errno %d retval %d size %d\n",
+ err, errno, retval, size);
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c b/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c
new file mode 100644
index 000000000000..09e6b46f5515
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_xdp_noinline(void)
+{
+ const char *file = "./test_xdp_noinline.o";
+ unsigned int nr_cpus = bpf_num_possible_cpus();
+ struct vip key = {.protocol = 6};
+ struct vip_meta {
+ __u32 flags;
+ __u32 vip_num;
+ } value = {.vip_num = VIP_NUM};
+ __u32 stats_key = VIP_NUM;
+ struct vip_stats {
+ __u64 bytes;
+ __u64 pkts;
+ } stats[nr_cpus];
+ struct real_definition {
+ union {
+ __be32 dst;
+ __be32 dstv6[4];
+ };
+ __u8 flags;
+ } real_def = {.dst = MAGIC_VAL};
+ __u32 ch_key = 11, real_num = 3;
+ __u32 duration, retval, size;
+ int err, i, prog_fd, map_fd;
+ __u64 bytes = 0, pkts = 0;
+ struct bpf_object *obj;
+ char buf[128];
+ u32 *magic = (u32 *)buf;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+ if (err) {
+ error_cnt++;
+ return;
+ }
+
+ map_fd = bpf_find_map(__func__, obj, "vip_map");
+ if (map_fd < 0)
+ goto out;
+ bpf_map_update_elem(map_fd, &key, &value, 0);
+
+ map_fd = bpf_find_map(__func__, obj, "ch_rings");
+ if (map_fd < 0)
+ goto out;
+ bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);
+
+ map_fd = bpf_find_map(__func__, obj, "reals");
+ if (map_fd < 0)
+ goto out;
+ bpf_map_update_elem(map_fd, &real_num, &real_def, 0);
+
+ err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v4, sizeof(pkt_v4),
+ buf, &size, &retval, &duration);
+ CHECK(err || retval != 1 || size != 54 ||
+ *magic != MAGIC_VAL, "ipv4",
+ "err %d errno %d retval %d size %d magic %x\n",
+ err, errno, retval, size, *magic);
+
+ err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v6, sizeof(pkt_v6),
+ buf, &size, &retval, &duration);
+ CHECK(err || retval != 1 || size != 74 ||
+ *magic != MAGIC_VAL, "ipv6",
+ "err %d errno %d retval %d size %d magic %x\n",
+ err, errno, retval, size, *magic);
+
+ map_fd = bpf_find_map(__func__, obj, "stats");
+ if (map_fd < 0)
+ goto out;
+ bpf_map_lookup_elem(map_fd, &stats_key, stats);
+ for (i = 0; i < nr_cpus; i++) {
+ bytes += stats[i].bytes;
+ pkts += stats[i].pkts;
+ }
+ if (bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2) {
+ error_cnt++;
+ printf("test_xdp_noinline:FAIL:stats %lld %lld\n", bytes, pkts);
+ }
+out:
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/bpf_flow.c b/tools/testing/selftests/bpf/progs/bpf_flow.c
index 284660f5aa95..5ae485a6af3f 100644
--- a/tools/testing/selftests/bpf/bpf_flow.c
+++ b/tools/testing/selftests/bpf/progs/bpf_flow.c
@@ -57,12 +57,31 @@ struct frag_hdr {
__be32 identification;
};
-struct bpf_map_def SEC("maps") jmp_table = {
- .type = BPF_MAP_TYPE_PROG_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = 8
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+ __uint(max_entries, 8);
+ __uint(key_size, sizeof(__u32));
+ __uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, struct bpf_flow_keys);
+} last_dissection SEC(".maps");
+
+static __always_inline int export_flow_keys(struct bpf_flow_keys *keys,
+ int ret)
+{
+ struct bpf_flow_keys *val;
+ __u32 key = 0;
+
+ val = bpf_map_lookup_elem(&last_dissection, &key);
+ if (val)
+ memcpy(val, keys, sizeof(*val));
+ return ret;
+}
static __always_inline void *bpf_flow_dissect_get_header(struct __sk_buff *skb,
__u16 hdr_size,
@@ -92,7 +111,6 @@ static __always_inline int parse_eth_proto(struct __sk_buff *skb, __be16 proto)
{
struct bpf_flow_keys *keys = skb->flow_keys;
- keys->n_proto = proto;
switch (proto) {
case bpf_htons(ETH_P_IP):
bpf_tail_call(skb, &jmp_table, IP);
@@ -110,19 +128,18 @@ static __always_inline int parse_eth_proto(struct __sk_buff *skb, __be16 proto)
break;
default:
/* Protocol not supported */
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
}
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
}
SEC("flow_dissector")
int _dissect(struct __sk_buff *skb)
{
- if (!skb->vlan_present)
- return parse_eth_proto(skb, skb->protocol);
- else
- return parse_eth_proto(skb, skb->vlan_proto);
+ struct bpf_flow_keys *keys = skb->flow_keys;
+
+ return parse_eth_proto(skb, keys->n_proto);
}
/* Parses on IPPROTO_* */
@@ -141,8 +158,8 @@ static __always_inline int parse_ip_proto(struct __sk_buff *skb, __u8 proto)
case IPPROTO_ICMP:
icmp = bpf_flow_dissect_get_header(skb, sizeof(*icmp), &_icmp);
if (!icmp)
- return BPF_DROP;
- return BPF_OK;
+ return export_flow_keys(keys, BPF_DROP);
+ return export_flow_keys(keys, BPF_OK);
case IPPROTO_IPIP:
keys->is_encap = true;
return parse_eth_proto(skb, bpf_htons(ETH_P_IP));
@@ -152,11 +169,11 @@ static __always_inline int parse_ip_proto(struct __sk_buff *skb, __u8 proto)
case IPPROTO_GRE:
gre = bpf_flow_dissect_get_header(skb, sizeof(*gre), &_gre);
if (!gre)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
if (bpf_htons(gre->flags & GRE_VERSION))
/* Only inspect standard GRE packets with version 0 */
- return BPF_OK;
+ return export_flow_keys(keys, BPF_OK);
keys->thoff += sizeof(*gre); /* Step over GRE Flags and Proto */
if (GRE_IS_CSUM(gre->flags))
@@ -172,7 +189,7 @@ static __always_inline int parse_ip_proto(struct __sk_buff *skb, __u8 proto)
eth = bpf_flow_dissect_get_header(skb, sizeof(*eth),
&_eth);
if (!eth)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
keys->thoff += sizeof(*eth);
@@ -183,31 +200,31 @@ static __always_inline int parse_ip_proto(struct __sk_buff *skb, __u8 proto)
case IPPROTO_TCP:
tcp = bpf_flow_dissect_get_header(skb, sizeof(*tcp), &_tcp);
if (!tcp)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
if (tcp->doff < 5)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
if ((__u8 *)tcp + (tcp->doff << 2) > data_end)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
keys->sport = tcp->source;
keys->dport = tcp->dest;
- return BPF_OK;
+ return export_flow_keys(keys, BPF_OK);
case IPPROTO_UDP:
case IPPROTO_UDPLITE:
udp = bpf_flow_dissect_get_header(skb, sizeof(*udp), &_udp);
if (!udp)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
keys->sport = udp->source;
keys->dport = udp->dest;
- return BPF_OK;
+ return export_flow_keys(keys, BPF_OK);
default:
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
}
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
}
static __always_inline int parse_ipv6_proto(struct __sk_buff *skb, __u8 nexthdr)
@@ -227,7 +244,7 @@ static __always_inline int parse_ipv6_proto(struct __sk_buff *skb, __u8 nexthdr)
return parse_ip_proto(skb, nexthdr);
}
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
}
PROG(IP)(struct __sk_buff *skb)
@@ -240,11 +257,11 @@ PROG(IP)(struct __sk_buff *skb)
iph = bpf_flow_dissect_get_header(skb, sizeof(*iph), &_iph);
if (!iph)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
/* IP header cannot be smaller than 20 bytes */
if (iph->ihl < 5)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
keys->addr_proto = ETH_P_IP;
keys->ipv4_src = iph->saddr;
@@ -252,7 +269,7 @@ PROG(IP)(struct __sk_buff *skb)
keys->thoff += iph->ihl << 2;
if (data + keys->thoff > data_end)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
if (iph->frag_off & bpf_htons(IP_MF | IP_OFFSET)) {
keys->is_frag = true;
@@ -266,7 +283,7 @@ PROG(IP)(struct __sk_buff *skb)
}
if (done)
- return BPF_OK;
+ return export_flow_keys(keys, BPF_OK);
return parse_ip_proto(skb, iph->protocol);
}
@@ -278,7 +295,7 @@ PROG(IPV6)(struct __sk_buff *skb)
ip6h = bpf_flow_dissect_get_header(skb, sizeof(*ip6h), &_ip6h);
if (!ip6h)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
keys->addr_proto = ETH_P_IPV6;
memcpy(&keys->ipv6_src, &ip6h->saddr, 2*sizeof(ip6h->saddr));
@@ -290,11 +307,12 @@ PROG(IPV6)(struct __sk_buff *skb)
PROG(IPV6OP)(struct __sk_buff *skb)
{
+ struct bpf_flow_keys *keys = skb->flow_keys;
struct ipv6_opt_hdr *ip6h, _ip6h;
ip6h = bpf_flow_dissect_get_header(skb, sizeof(*ip6h), &_ip6h);
if (!ip6h)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
/* hlen is in 8-octets and does not include the first 8 bytes
* of the header
@@ -311,7 +329,7 @@ PROG(IPV6FR)(struct __sk_buff *skb)
fragh = bpf_flow_dissect_get_header(skb, sizeof(*fragh), &_fragh);
if (!fragh)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
keys->thoff += sizeof(*fragh);
keys->is_frag = true;
@@ -323,48 +341,46 @@ PROG(IPV6FR)(struct __sk_buff *skb)
PROG(MPLS)(struct __sk_buff *skb)
{
+ struct bpf_flow_keys *keys = skb->flow_keys;
struct mpls_label *mpls, _mpls;
mpls = bpf_flow_dissect_get_header(skb, sizeof(*mpls), &_mpls);
if (!mpls)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
- return BPF_OK;
+ return export_flow_keys(keys, BPF_OK);
}
PROG(VLAN)(struct __sk_buff *skb)
{
struct bpf_flow_keys *keys = skb->flow_keys;
struct vlan_hdr *vlan, _vlan;
- __be16 proto;
-
- /* Peek back to see if single or double-tagging */
- if (bpf_skb_load_bytes(skb, keys->thoff - sizeof(proto), &proto,
- sizeof(proto)))
- return BPF_DROP;
/* Account for double-tagging */
- if (proto == bpf_htons(ETH_P_8021AD)) {
+ if (keys->n_proto == bpf_htons(ETH_P_8021AD)) {
vlan = bpf_flow_dissect_get_header(skb, sizeof(*vlan), &_vlan);
if (!vlan)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
if (vlan->h_vlan_encapsulated_proto != bpf_htons(ETH_P_8021Q))
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
+ keys->nhoff += sizeof(*vlan);
keys->thoff += sizeof(*vlan);
}
vlan = bpf_flow_dissect_get_header(skb, sizeof(*vlan), &_vlan);
if (!vlan)
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
+ keys->nhoff += sizeof(*vlan);
keys->thoff += sizeof(*vlan);
/* Only allow 8021AD + 8021Q double tagging and no triple tagging.*/
if (vlan->h_vlan_encapsulated_proto == bpf_htons(ETH_P_8021AD) ||
vlan->h_vlan_encapsulated_proto == bpf_htons(ETH_P_8021Q))
- return BPF_DROP;
+ return export_flow_keys(keys, BPF_DROP);
+ keys->n_proto = vlan->h_vlan_encapsulated_proto;
return parse_eth_proto(skb, vlan->h_vlan_encapsulated_proto);
}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c
new file mode 100644
index 000000000000..8f44767a75fa
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper tests for bitfield.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+#include <stdbool.h>
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct bitfields_only_mixed_types {
+ * int a: 3;
+ * long int b: 2;
+ * _Bool c: 1;
+ * enum {
+ * A = 0,
+ * B = 1,
+ * } d: 1;
+ * short e: 5;
+ * int: 20;
+ * unsigned int f: 30;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct bitfields_only_mixed_types {
+ int a: 3;
+ long int b: 2;
+ bool c: 1; /* it's really a _Bool type */
+ enum {
+ A, /* A = 0, dumper is very explicit */
+ B, /* B = 1, same */
+ } d: 1;
+ short e: 5;
+ /* 20-bit padding here */
+ unsigned f: 30; /* this gets aligned on 4-byte boundary */
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct bitfield_mixed_with_others {
+ * char: 4;
+ * int a: 4;
+ * short b;
+ * long int c;
+ * long int d: 8;
+ * int e;
+ * int f;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+struct bitfield_mixed_with_others {
+ long: 4; /* char is enough as a backing field */
+ int a: 4;
+ /* 8-bit implicit padding */
+ short b; /* combined with previous bitfield */
+ /* 4 more bytes of implicit padding */
+ long c;
+ long d: 8;
+ /* 24 bits implicit padding */
+ int e; /* combined with previous bitfield */
+ int f;
+ /* 4 bytes of padding */
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct bitfield_flushed {
+ * int a: 4;
+ * long: 60;
+ * long int b: 16;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+struct bitfield_flushed {
+ int a: 4;
+ long: 0; /* flush until next natural alignment boundary */
+ long b: 16;
+};
+
+int f(struct {
+ struct bitfields_only_mixed_types _1;
+ struct bitfield_mixed_with_others _2;
+ struct bitfield_flushed _3;
+} *_)
+{
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c
new file mode 100644
index 000000000000..ba97165bdb28
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper test for multi-dimensional array output.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+typedef int arr_t[2];
+
+typedef int multiarr_t[3][4][5];
+
+typedef int *ptr_arr_t[6];
+
+typedef int *ptr_multiarr_t[7][8][9][10];
+
+typedef int * (*fn_ptr_arr_t[11])();
+
+typedef int * (*fn_ptr_multiarr_t[12][13])();
+
+struct root_struct {
+ arr_t _1;
+ multiarr_t _2;
+ ptr_arr_t _3;
+ ptr_multiarr_t _4;
+ fn_ptr_arr_t _5;
+ fn_ptr_multiarr_t _6;
+};
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct root_struct *s)
+{
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_namespacing.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_namespacing.c
new file mode 100644
index 000000000000..92a4ad428710
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_namespacing.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper test validating no name versioning happens between
+ * independent C namespaces (struct/union/enum vs typedef/enum values).
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct S {
+ int S;
+ int U;
+};
+
+typedef struct S S;
+
+union U {
+ int S;
+ int U;
+};
+
+typedef union U U;
+
+enum E {
+ V = 0,
+};
+
+typedef enum E E;
+
+struct A {};
+
+union B {};
+
+enum C {
+ A = 1,
+ B = 2,
+ C = 3,
+};
+
+struct X {};
+
+union Y {};
+
+enum Z;
+
+typedef int X;
+
+typedef int Y;
+
+typedef int Z;
+
+/*------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct {
+ struct S _1;
+ S _2;
+ union U _3;
+ U _4;
+ enum E _5;
+ E _6;
+ struct A a;
+ union B b;
+ enum C c;
+ struct X x;
+ union Y y;
+ enum Z *z;
+ X xx;
+ Y yy;
+ Z zz;
+} *_)
+{
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_ordering.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_ordering.c
new file mode 100644
index 000000000000..7c95702ee4cb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_ordering.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper test for topological sorting of dependent structs.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct s1 {};
+
+struct s3;
+
+struct s4;
+
+struct s2 {
+ struct s2 *s2;
+ struct s3 *s3;
+ struct s4 *s4;
+};
+
+struct s3 {
+ struct s1 s1;
+ struct s2 s2;
+};
+
+struct s4 {
+ struct s1 s1;
+ struct s3 s3;
+};
+
+struct list_head {
+ struct list_head *next;
+ struct list_head *prev;
+};
+
+struct hlist_node {
+ struct hlist_node *next;
+ struct hlist_node **pprev;
+};
+
+struct hlist_head {
+ struct hlist_node *first;
+};
+
+struct callback_head {
+ struct callback_head *next;
+ void (*func)(struct callback_head *);
+};
+
+struct root_struct {
+ struct s4 s4;
+ struct list_head l;
+ struct hlist_node n;
+ struct hlist_head h;
+ struct callback_head cb;
+};
+
+/*------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct root_struct *root)
+{
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c
new file mode 100644
index 000000000000..1cef3bec1dc7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper tests for struct packing determination.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct packed_trailing_space {
+ int a;
+ short b;
+} __attribute__((packed));
+
+struct non_packed_trailing_space {
+ int a;
+ short b;
+};
+
+struct packed_fields {
+ short a;
+ int b;
+} __attribute__((packed));
+
+struct non_packed_fields {
+ short a;
+ int b;
+};
+
+struct nested_packed {
+ char: 4;
+ int a: 4;
+ long int b;
+ struct {
+ char c;
+ int d;
+ } __attribute__((packed)) e;
+} __attribute__((packed));
+
+union union_is_never_packed {
+ int a: 4;
+ char b;
+ char c: 1;
+};
+
+union union_does_not_need_packing {
+ struct {
+ long int a;
+ int b;
+ } __attribute__((packed));
+ int c;
+};
+
+union jump_code_union {
+ char code[5];
+ struct {
+ char jump;
+ int offset;
+ } __attribute__((packed));
+};
+
+/*------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct {
+ struct packed_trailing_space _1;
+ struct non_packed_trailing_space _2;
+ struct packed_fields _3;
+ struct non_packed_fields _4;
+ struct nested_packed _5;
+ union union_is_never_packed _6;
+ union union_does_not_need_packing _7;
+ union jump_code_union _8;
+} *_)
+{
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c
new file mode 100644
index 000000000000..3a62119c7498
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper tests for implicit and explicit padding between fields and
+ * at the end of a struct.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct padded_implicitly {
+ int a;
+ long int b;
+ char c;
+};
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct padded_explicitly {
+ * int a;
+ * int: 32;
+ * int b;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct padded_explicitly {
+ int a;
+ int: 1; /* algo will explicitly pad with full 32 bits here */
+ int b;
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct padded_a_lot {
+ * int a;
+ * long: 32;
+ * long: 64;
+ * long: 64;
+ * int b;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct padded_a_lot {
+ int a;
+ /* 32 bit of implicit padding here, which algo will make explicit */
+ long: 64;
+ long: 64;
+ int b;
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct padded_cache_line {
+ * int a;
+ * long: 32;
+ * long: 64;
+ * long: 64;
+ * long: 64;
+ * int b;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct padded_cache_line {
+ int a;
+ int b __attribute__((aligned(32)));
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct zone_padding {
+ * char x[0];
+ *};
+ *
+ *struct zone {
+ * int a;
+ * short b;
+ * short: 16;
+ * struct zone_padding __pad__;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct zone_padding {
+ char x[0];
+} __attribute__((__aligned__(8)));
+
+struct zone {
+ int a;
+ short b;
+ short: 16;
+ struct zone_padding __pad__;
+};
+
+int f(struct {
+ struct padded_implicitly _1;
+ struct padded_explicitly _2;
+ struct padded_a_lot _3;
+ struct padded_cache_line _4;
+ struct zone _5;
+} *_)
+{
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c
new file mode 100644
index 000000000000..d4a02fe44a12
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper test for majority of C syntax quirks.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+enum e1 {
+ A = 0,
+ B = 1,
+};
+
+enum e2 {
+ C = 100,
+ D = -100,
+ E = 0,
+};
+
+typedef enum e2 e2_t;
+
+typedef enum {
+ F = 0,
+ G = 1,
+ H = 2,
+} e3_t;
+
+typedef int int_t;
+
+typedef volatile const int * volatile const crazy_ptr_t;
+
+typedef int *****we_need_to_go_deeper_ptr_t;
+
+typedef volatile const we_need_to_go_deeper_ptr_t * restrict * volatile * const * restrict volatile * restrict const * volatile const * restrict volatile const how_about_this_ptr_t;
+
+typedef int *ptr_arr_t[10];
+
+typedef void (*fn_ptr1_t)(int);
+
+typedef void (*printf_fn_t)(const char *, ...);
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+/*
+ * While previous function pointers are pretty trivial (C-syntax-level
+ * trivial), the following are deciphered here for future generations:
+ *
+ * - `fn_ptr2_t`: function, taking anonymous struct as a first arg and pointer
+ * to a function, that takes int and returns int, as a second arg; returning
+ * a pointer to a const pointer to a char. Equivalent to:
+ * typedef struct { int a; } s_t;
+ * typedef int (*fn_t)(int);
+ * typedef char * const * (*fn_ptr2_t)(s_t, fn_t);
+ *
+ * - `fn_complext_t`: pointer to a function returning struct and accepting
+ * union and struct. All structs and enum are anonymous and defined inline.
+ *
+ * - `signal_t: pointer to a function accepting a pointer to a function as an
+ * argument and returning pointer to a function as a result. Sane equivalent:
+ * typedef void (*signal_handler_t)(int);
+ * typedef signal_handler_t (*signal_ptr_t)(int, signal_handler_t);
+ *
+ * - fn_ptr_arr1_t: array of pointers to a function accepting pointer to
+ * a pointer to an int and returning pointer to a char. Easy.
+ *
+ * - fn_ptr_arr2_t: array of const pointers to a function taking no arguments
+ * and returning a const pointer to a function, that takes pointer to a
+ * `int -> char *` function and returns pointer to a char. Equivalent:
+ * typedef char * (*fn_input_t)(int);
+ * typedef char * (*fn_output_outer_t)(fn_input_t);
+ * typedef const fn_output_outer_t (* fn_output_inner_t)();
+ * typedef const fn_output_inner_t fn_ptr_arr2_t[5];
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+typedef char * const * (*fn_ptr2_t)(struct {
+ int a;
+}, int (*)(int));
+
+typedef struct {
+ int a;
+ void (*b)(int, struct {
+ int c;
+ }, union {
+ char d;
+ int e[5];
+ });
+} (*fn_complex_t)(union {
+ void *f;
+ char g[16];
+}, struct {
+ int h;
+});
+
+typedef void (* (*signal_t)(int, void (*)(int)))(int);
+
+typedef char * (*fn_ptr_arr1_t[10])(int **);
+
+typedef char * (* const (* const fn_ptr_arr2_t[5])())(char * (*)(int));
+
+struct struct_w_typedefs {
+ int_t a;
+ crazy_ptr_t b;
+ we_need_to_go_deeper_ptr_t c;
+ how_about_this_ptr_t d;
+ ptr_arr_t e;
+ fn_ptr1_t f;
+ printf_fn_t g;
+ fn_ptr2_t h;
+ fn_complex_t i;
+ signal_t j;
+ fn_ptr_arr1_t k;
+ fn_ptr_arr2_t l;
+};
+
+typedef struct {
+ int x;
+ int y;
+ int z;
+} anon_struct_t;
+
+struct struct_fwd;
+
+typedef struct struct_fwd struct_fwd_t;
+
+typedef struct struct_fwd *struct_fwd_ptr_t;
+
+union union_fwd;
+
+typedef union union_fwd union_fwd_t;
+
+typedef union union_fwd *union_fwd_ptr_t;
+
+struct struct_empty {};
+
+struct struct_simple {
+ int a;
+ char b;
+ const int_t *p;
+ struct struct_empty s;
+ enum e2 e;
+ enum {
+ ANON_VAL1 = 1,
+ ANON_VAL2 = 2,
+ } f;
+ int arr1[13];
+ enum e2 arr2[5];
+};
+
+union union_empty {};
+
+union union_simple {
+ void *ptr;
+ int num;
+ int_t num2;
+ union union_empty u;
+};
+
+struct struct_in_struct {
+ struct struct_simple simple;
+ union union_simple also_simple;
+ struct {
+ int a;
+ } not_so_hard_as_well;
+ union {
+ int b;
+ int c;
+ } anon_union_is_good;
+ struct {
+ int d;
+ int e;
+ };
+ union {
+ int f;
+ int g;
+ };
+};
+
+struct struct_with_embedded_stuff {
+ int a;
+ struct {
+ int b;
+ struct {
+ struct struct_with_embedded_stuff *c;
+ const char *d;
+ } e;
+ union {
+ volatile long int f;
+ void * restrict g;
+ };
+ };
+ union {
+ const int_t *h;
+ void (*i)(char, int, void *);
+ } j;
+ enum {
+ K = 100,
+ L = 200,
+ } m;
+ char n[16];
+ struct {
+ char o;
+ int p;
+ void (*q)(int);
+ } r[5];
+ struct struct_in_struct s[10];
+ int t[11];
+};
+
+struct root_struct {
+ enum e1 _1;
+ enum e2 _2;
+ e2_t _2_1;
+ e3_t _2_2;
+ struct struct_w_typedefs _3;
+ anon_struct_t _7;
+ struct struct_fwd *_8;
+ struct_fwd_t *_9;
+ struct_fwd_ptr_t _10;
+ union union_fwd *_11;
+ union_fwd_t *_12;
+ union_fwd_ptr_t _13;
+ struct struct_with_embedded_stuff _14;
+};
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct root_struct *s)
+{
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/connect4_prog.c b/tools/testing/selftests/bpf/progs/connect4_prog.c
index 1fd244d35ba9..1fd244d35ba9 100644
--- a/tools/testing/selftests/bpf/connect4_prog.c
+++ b/tools/testing/selftests/bpf/progs/connect4_prog.c
diff --git a/tools/testing/selftests/bpf/connect6_prog.c b/tools/testing/selftests/bpf/progs/connect6_prog.c
index 26397ab7b3c7..26397ab7b3c7 100644
--- a/tools/testing/selftests/bpf/connect6_prog.c
+++ b/tools/testing/selftests/bpf/progs/connect6_prog.c
diff --git a/tools/testing/selftests/bpf/dev_cgroup.c b/tools/testing/selftests/bpf/progs/dev_cgroup.c
index ce41a3475f27..ce41a3475f27 100644
--- a/tools/testing/selftests/bpf/dev_cgroup.c
+++ b/tools/testing/selftests/bpf/progs/dev_cgroup.c
diff --git a/tools/testing/selftests/bpf/get_cgroup_id_kern.c b/tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c
index 014dba10b8a5..16c54ade6888 100644
--- a/tools/testing/selftests/bpf/get_cgroup_id_kern.c
+++ b/tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c
@@ -4,19 +4,19 @@
#include <linux/bpf.h>
#include "bpf_helpers.h"
-struct bpf_map_def SEC("maps") cg_ids = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u64),
- .max_entries = 1,
-};
-
-struct bpf_map_def SEC("maps") pidmap = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = 1,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, __u64);
+} cg_ids SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, __u32);
+} pidmap SEC(".maps");
SEC("tracepoint/syscalls/sys_enter_nanosleep")
int trace(void *ctx)
diff --git a/tools/testing/selftests/bpf/progs/loop1.c b/tools/testing/selftests/bpf/progs/loop1.c
new file mode 100644
index 000000000000..dea395af9ea9
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/loop1.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+
+SEC("raw_tracepoint/kfree_skb")
+int nested_loops(volatile struct pt_regs* ctx)
+{
+ int i, j, sum = 0, m;
+
+ for (j = 0; j < 300; j++)
+ for (i = 0; i < j; i++) {
+ if (j & 1)
+ m = ctx->rax;
+ else
+ m = j;
+ sum += i * m;
+ }
+
+ return sum;
+}
diff --git a/tools/testing/selftests/bpf/progs/loop2.c b/tools/testing/selftests/bpf/progs/loop2.c
new file mode 100644
index 000000000000..0637bd8e8bcf
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/loop2.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+
+SEC("raw_tracepoint/consume_skb")
+int while_true(volatile struct pt_regs* ctx)
+{
+ int i = 0;
+
+ while (true) {
+ if (ctx->rax & 1)
+ i += 3;
+ else
+ i += 7;
+ if (i > 40)
+ break;
+ }
+
+ return i;
+}
diff --git a/tools/testing/selftests/bpf/progs/loop3.c b/tools/testing/selftests/bpf/progs/loop3.c
new file mode 100644
index 000000000000..30a0f6cba080
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/loop3.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+
+SEC("raw_tracepoint/consume_skb")
+int while_true(volatile struct pt_regs* ctx)
+{
+ __u64 i = 0, sum = 0;
+ do {
+ i++;
+ sum += ctx->rax;
+ } while (i < 0x100000000ULL);
+ return sum;
+}
diff --git a/tools/testing/selftests/bpf/netcnt_prog.c b/tools/testing/selftests/bpf/progs/netcnt_prog.c
index 9f741e69cebe..38a997852cad 100644
--- a/tools/testing/selftests/bpf/netcnt_prog.c
+++ b/tools/testing/selftests/bpf/progs/netcnt_prog.c
@@ -10,23 +10,17 @@
#define REFRESH_TIME_NS 100000000
#define NS_PER_SEC 1000000000
-struct bpf_map_def SEC("maps") percpu_netcnt = {
- .type = BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE,
- .key_size = sizeof(struct bpf_cgroup_storage_key),
- .value_size = sizeof(struct percpu_net_cnt),
-};
-
-BPF_ANNOTATE_KV_PAIR(percpu_netcnt, struct bpf_cgroup_storage_key,
- struct percpu_net_cnt);
-
-struct bpf_map_def SEC("maps") netcnt = {
- .type = BPF_MAP_TYPE_CGROUP_STORAGE,
- .key_size = sizeof(struct bpf_cgroup_storage_key),
- .value_size = sizeof(struct net_cnt),
-};
-
-BPF_ANNOTATE_KV_PAIR(netcnt, struct bpf_cgroup_storage_key,
- struct net_cnt);
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE);
+ __type(key, struct bpf_cgroup_storage_key);
+ __type(value, struct percpu_net_cnt);
+} percpu_netcnt SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
+ __type(key, struct bpf_cgroup_storage_key);
+ __type(value, struct net_cnt);
+} netcnt SEC(".maps");
SEC("cgroup/skb")
int bpf_nextcnt(struct __sk_buff *skb)
diff --git a/tools/testing/selftests/bpf/progs/pyperf.h b/tools/testing/selftests/bpf/progs/pyperf.h
new file mode 100644
index 000000000000..003fe106fc70
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf.h
@@ -0,0 +1,263 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+#define FUNCTION_NAME_LEN 64
+#define FILE_NAME_LEN 128
+#define TASK_COMM_LEN 16
+
+typedef struct {
+ int PyThreadState_frame;
+ int PyThreadState_thread;
+ int PyFrameObject_back;
+ int PyFrameObject_code;
+ int PyFrameObject_lineno;
+ int PyCodeObject_filename;
+ int PyCodeObject_name;
+ int String_data;
+ int String_size;
+} OffsetConfig;
+
+typedef struct {
+ uintptr_t current_state_addr;
+ uintptr_t tls_key_addr;
+ OffsetConfig offsets;
+ bool use_tls;
+} PidData;
+
+typedef struct {
+ uint32_t success;
+} Stats;
+
+typedef struct {
+ char name[FUNCTION_NAME_LEN];
+ char file[FILE_NAME_LEN];
+} Symbol;
+
+typedef struct {
+ uint32_t pid;
+ uint32_t tid;
+ char comm[TASK_COMM_LEN];
+ int32_t kernel_stack_id;
+ int32_t user_stack_id;
+ bool thread_current;
+ bool pthread_match;
+ bool stack_complete;
+ int16_t stack_len;
+ int32_t stack[STACK_MAX_LEN];
+
+ int has_meta;
+ int metadata;
+ char dummy_safeguard;
+} Event;
+
+
+typedef int pid_t;
+
+typedef struct {
+ void* f_back; // PyFrameObject.f_back, previous frame
+ void* f_code; // PyFrameObject.f_code, pointer to PyCodeObject
+ void* co_filename; // PyCodeObject.co_filename
+ void* co_name; // PyCodeObject.co_name
+} FrameData;
+
+static __always_inline void *get_thread_state(void *tls_base, PidData *pidData)
+{
+ void* thread_state;
+ int key;
+
+ bpf_probe_read(&key, sizeof(key), (void*)(long)pidData->tls_key_addr);
+ bpf_probe_read(&thread_state, sizeof(thread_state),
+ tls_base + 0x310 + key * 0x10 + 0x08);
+ return thread_state;
+}
+
+static __always_inline bool get_frame_data(void *frame_ptr, PidData *pidData,
+ FrameData *frame, Symbol *symbol)
+{
+ // read data from PyFrameObject
+ bpf_probe_read(&frame->f_back,
+ sizeof(frame->f_back),
+ frame_ptr + pidData->offsets.PyFrameObject_back);
+ bpf_probe_read(&frame->f_code,
+ sizeof(frame->f_code),
+ frame_ptr + pidData->offsets.PyFrameObject_code);
+
+ // read data from PyCodeObject
+ if (!frame->f_code)
+ return false;
+ bpf_probe_read(&frame->co_filename,
+ sizeof(frame->co_filename),
+ frame->f_code + pidData->offsets.PyCodeObject_filename);
+ bpf_probe_read(&frame->co_name,
+ sizeof(frame->co_name),
+ frame->f_code + pidData->offsets.PyCodeObject_name);
+ // read actual names into symbol
+ if (frame->co_filename)
+ bpf_probe_read_str(&symbol->file,
+ sizeof(symbol->file),
+ frame->co_filename + pidData->offsets.String_data);
+ if (frame->co_name)
+ bpf_probe_read_str(&symbol->name,
+ sizeof(symbol->name),
+ frame->co_name + pidData->offsets.String_data);
+ return true;
+}
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, PidData);
+} pidmap SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, Event);
+} eventmap SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 1);
+ __type(key, Symbol);
+ __type(value, int);
+} symbolmap SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, Stats);
+} statsmap SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+ __uint(max_entries, 32);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} perfmap SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_STACK_TRACE);
+ __uint(max_entries, 1000);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(long long) * 127);
+} stackmap SEC(".maps");
+
+static __always_inline int __on_event(struct pt_regs *ctx)
+{
+ uint64_t pid_tgid = bpf_get_current_pid_tgid();
+ pid_t pid = (pid_t)(pid_tgid >> 32);
+ PidData* pidData = bpf_map_lookup_elem(&pidmap, &pid);
+ if (!pidData)
+ return 0;
+
+ int zero = 0;
+ Event* event = bpf_map_lookup_elem(&eventmap, &zero);
+ if (!event)
+ return 0;
+
+ event->pid = pid;
+
+ event->tid = (pid_t)pid_tgid;
+ bpf_get_current_comm(&event->comm, sizeof(event->comm));
+
+ event->user_stack_id = bpf_get_stackid(ctx, &stackmap, BPF_F_USER_STACK);
+ event->kernel_stack_id = bpf_get_stackid(ctx, &stackmap, 0);
+
+ void* thread_state_current = (void*)0;
+ bpf_probe_read(&thread_state_current,
+ sizeof(thread_state_current),
+ (void*)(long)pidData->current_state_addr);
+
+ struct task_struct* task = (struct task_struct*)bpf_get_current_task();
+ void* tls_base = (void*)task;
+
+ void* thread_state = pidData->use_tls ? get_thread_state(tls_base, pidData)
+ : thread_state_current;
+ event->thread_current = thread_state == thread_state_current;
+
+ if (pidData->use_tls) {
+ uint64_t pthread_created;
+ uint64_t pthread_self;
+ bpf_probe_read(&pthread_self, sizeof(pthread_self), tls_base + 0x10);
+
+ bpf_probe_read(&pthread_created,
+ sizeof(pthread_created),
+ thread_state + pidData->offsets.PyThreadState_thread);
+ event->pthread_match = pthread_created == pthread_self;
+ } else {
+ event->pthread_match = 1;
+ }
+
+ if (event->pthread_match || !pidData->use_tls) {
+ void* frame_ptr;
+ FrameData frame;
+ Symbol sym = {};
+ int cur_cpu = bpf_get_smp_processor_id();
+
+ bpf_probe_read(&frame_ptr,
+ sizeof(frame_ptr),
+ thread_state + pidData->offsets.PyThreadState_frame);
+
+ int32_t* symbol_counter = bpf_map_lookup_elem(&symbolmap, &sym);
+ if (symbol_counter == NULL)
+ return 0;
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#pragma clang loop unroll(full)
+#endif
+ /* Unwind python stack */
+ for (int i = 0; i < STACK_MAX_LEN; ++i) {
+ if (frame_ptr && get_frame_data(frame_ptr, pidData, &frame, &sym)) {
+ int32_t new_symbol_id = *symbol_counter * 64 + cur_cpu;
+ int32_t *symbol_id = bpf_map_lookup_elem(&symbolmap, &sym);
+ if (!symbol_id) {
+ bpf_map_update_elem(&symbolmap, &sym, &zero, 0);
+ symbol_id = bpf_map_lookup_elem(&symbolmap, &sym);
+ if (!symbol_id)
+ return 0;
+ }
+ if (*symbol_id == new_symbol_id)
+ (*symbol_counter)++;
+ event->stack[i] = *symbol_id;
+ event->stack_len = i + 1;
+ frame_ptr = frame.f_back;
+ }
+ }
+ event->stack_complete = frame_ptr == NULL;
+ } else {
+ event->stack_complete = 1;
+ }
+
+ Stats* stats = bpf_map_lookup_elem(&statsmap, &zero);
+ if (stats)
+ stats->success++;
+
+ event->has_meta = 0;
+ bpf_perf_event_output(ctx, &perfmap, 0, event, offsetof(Event, metadata));
+ return 0;
+}
+
+SEC("raw_tracepoint/kfree_skb")
+int on_event(struct pt_regs* ctx)
+{
+ int i, ret = 0;
+ ret |= __on_event(ctx);
+ ret |= __on_event(ctx);
+ ret |= __on_event(ctx);
+ ret |= __on_event(ctx);
+ ret |= __on_event(ctx);
+ return ret;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/pyperf100.c b/tools/testing/selftests/bpf/progs/pyperf100.c
new file mode 100644
index 000000000000..29786325db54
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf100.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 100
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf180.c b/tools/testing/selftests/bpf/progs/pyperf180.c
new file mode 100644
index 000000000000..c39f559d3100
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf180.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 180
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf50.c b/tools/testing/selftests/bpf/progs/pyperf50.c
new file mode 100644
index 000000000000..ef7ce340a292
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf50.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 50
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf600.c b/tools/testing/selftests/bpf/progs/pyperf600.c
new file mode 100644
index 000000000000..cb49b89e37cd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf600.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 600
+/* clang will not unroll the loop 600 times.
+ * Instead it will unroll it to the amount it deemed
+ * appropriate, but the loop will still execute 600 times.
+ * Total program size is around 90k insns
+ */
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf600_nounroll.c b/tools/testing/selftests/bpf/progs/pyperf600_nounroll.c
new file mode 100644
index 000000000000..6beff7502f4d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf600_nounroll.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 600
+#define NO_UNROLL
+/* clang will not unroll at all.
+ * Total program size is around 2k insns
+ */
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/sample_map_ret0.c b/tools/testing/selftests/bpf/progs/sample_map_ret0.c
index 0756303676ac..0756303676ac 100644
--- a/tools/testing/selftests/bpf/sample_map_ret0.c
+++ b/tools/testing/selftests/bpf/progs/sample_map_ret0.c
diff --git a/tools/testing/selftests/bpf/sample_ret0.c b/tools/testing/selftests/bpf/progs/sample_ret0.c
index fec99750d6ea..fec99750d6ea 100644
--- a/tools/testing/selftests/bpf/sample_ret0.c
+++ b/tools/testing/selftests/bpf/progs/sample_ret0.c
diff --git a/tools/testing/selftests/bpf/sendmsg4_prog.c b/tools/testing/selftests/bpf/progs/sendmsg4_prog.c
index a91536b1c47e..a91536b1c47e 100644
--- a/tools/testing/selftests/bpf/sendmsg4_prog.c
+++ b/tools/testing/selftests/bpf/progs/sendmsg4_prog.c
diff --git a/tools/testing/selftests/bpf/sendmsg6_prog.c b/tools/testing/selftests/bpf/progs/sendmsg6_prog.c
index 5aeaa284fc47..5aeaa284fc47 100644
--- a/tools/testing/selftests/bpf/sendmsg6_prog.c
+++ b/tools/testing/selftests/bpf/progs/sendmsg6_prog.c
diff --git a/tools/testing/selftests/bpf/progs/socket_cookie_prog.c b/tools/testing/selftests/bpf/progs/socket_cookie_prog.c
new file mode 100644
index 000000000000..e4440fdd94cb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/socket_cookie_prog.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <linux/bpf.h>
+#include <sys/socket.h>
+
+#include "bpf_helpers.h"
+#include "bpf_endian.h"
+
+struct socket_cookie {
+ __u64 cookie_key;
+ __u32 cookie_value;
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SK_STORAGE);
+ __uint(map_flags, BPF_F_NO_PREALLOC);
+ __type(key, int);
+ __type(value, struct socket_cookie);
+} socket_cookies SEC(".maps");
+
+SEC("cgroup/connect6")
+int set_cookie(struct bpf_sock_addr *ctx)
+{
+ struct socket_cookie *p;
+
+ if (ctx->family != AF_INET6 || ctx->user_family != AF_INET6)
+ return 1;
+
+ p = bpf_sk_storage_get(&socket_cookies, ctx->sk, 0,
+ BPF_SK_STORAGE_GET_F_CREATE);
+ if (!p)
+ return 1;
+
+ p->cookie_value = 0xFF;
+ p->cookie_key = bpf_get_socket_cookie(ctx);
+
+ return 1;
+}
+
+SEC("sockops")
+int update_cookie(struct bpf_sock_ops *ctx)
+{
+ struct bpf_sock *sk;
+ struct socket_cookie *p;
+
+ if (ctx->family != AF_INET6)
+ return 1;
+
+ if (ctx->op != BPF_SOCK_OPS_TCP_CONNECT_CB)
+ return 1;
+
+ if (!ctx->sk)
+ return 1;
+
+ p = bpf_sk_storage_get(&socket_cookies, ctx->sk, 0, 0);
+ if (!p)
+ return 1;
+
+ if (p->cookie_key != bpf_get_socket_cookie(ctx))
+ return 1;
+
+ p->cookie_value = (ctx->local_port << 8) | p->cookie_value;
+
+ return 1;
+}
+
+int _version SEC("version") = 1;
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/sockmap_parse_prog.c b/tools/testing/selftests/bpf/progs/sockmap_parse_prog.c
index 0f92858f6226..9390e0244259 100644
--- a/tools/testing/selftests/bpf/sockmap_parse_prog.c
+++ b/tools/testing/selftests/bpf/progs/sockmap_parse_prog.c
@@ -1,17 +1,9 @@
#include <linux/bpf.h>
#include "bpf_helpers.h"
-#include "bpf_util.h"
#include "bpf_endian.h"
int _version SEC("version") = 1;
-#define bpf_printk(fmt, ...) \
-({ \
- char ____fmt[] = fmt; \
- bpf_trace_printk(____fmt, sizeof(____fmt), \
- ##__VA_ARGS__); \
-})
-
SEC("sk_skb1")
int bpf_prog1(struct __sk_buff *skb)
{
diff --git a/tools/testing/selftests/bpf/sockmap_tcp_msg_prog.c b/tools/testing/selftests/bpf/progs/sockmap_tcp_msg_prog.c
index 12a7b5c82ed6..e80484d98a1a 100644
--- a/tools/testing/selftests/bpf/sockmap_tcp_msg_prog.c
+++ b/tools/testing/selftests/bpf/progs/sockmap_tcp_msg_prog.c
@@ -1,17 +1,10 @@
#include <linux/bpf.h>
+
#include "bpf_helpers.h"
-#include "bpf_util.h"
#include "bpf_endian.h"
int _version SEC("version") = 1;
-#define bpf_printk(fmt, ...) \
-({ \
- char ____fmt[] = fmt; \
- bpf_trace_printk(____fmt, sizeof(____fmt), \
- ##__VA_ARGS__); \
-})
-
SEC("sk_msg1")
int bpf_prog1(struct sk_msg_md *msg)
{
diff --git a/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c b/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
new file mode 100644
index 000000000000..433e23918a62
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
@@ -0,0 +1,65 @@
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+#include "bpf_endian.h"
+
+int _version SEC("version") = 1;
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SOCKMAP);
+ __uint(max_entries, 20);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} sock_map_rx SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SOCKMAP);
+ __uint(max_entries, 20);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} sock_map_tx SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SOCKMAP);
+ __uint(max_entries, 20);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} sock_map_msg SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 20);
+ __type(key, int);
+ __type(value, int);
+} sock_map_break SEC(".maps");
+
+SEC("sk_skb2")
+int bpf_prog2(struct __sk_buff *skb)
+{
+ void *data_end = (void *)(long) skb->data_end;
+ void *data = (void *)(long) skb->data;
+ __u32 lport = skb->local_port;
+ __u32 rport = skb->remote_port;
+ __u8 *d = data;
+ __u8 sk, map;
+
+ if (data + 8 > data_end)
+ return SK_DROP;
+
+ map = d[0];
+ sk = d[1];
+
+ d[0] = 0xd;
+ d[1] = 0xe;
+ d[2] = 0xa;
+ d[3] = 0xd;
+ d[4] = 0xb;
+ d[5] = 0xe;
+ d[6] = 0xe;
+ d[7] = 0xf;
+
+ if (!map)
+ return bpf_sk_redirect_map(skb, &sock_map_rx, sk, 0);
+ return bpf_sk_redirect_map(skb, &sock_map_tx, sk, 0);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/sockopt_multi.c b/tools/testing/selftests/bpf/progs/sockopt_multi.c
new file mode 100644
index 000000000000..4afd2595c08e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockopt_multi.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <netinet/in.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+__u32 _version SEC("version") = 1;
+
+SEC("cgroup/getsockopt/child")
+int _getsockopt_child(struct bpf_sockopt *ctx)
+{
+ __u8 *optval_end = ctx->optval_end;
+ __u8 *optval = ctx->optval;
+
+ if (ctx->level != SOL_IP || ctx->optname != IP_TOS)
+ return 1;
+
+ if (optval + 1 > optval_end)
+ return 0; /* EPERM, bounds check */
+
+ if (optval[0] != 0x80)
+ return 0; /* EPERM, unexpected optval from the kernel */
+
+ ctx->retval = 0; /* Reset system call return value to zero */
+
+ optval[0] = 0x90;
+ ctx->optlen = 1;
+
+ return 1;
+}
+
+SEC("cgroup/getsockopt/parent")
+int _getsockopt_parent(struct bpf_sockopt *ctx)
+{
+ __u8 *optval_end = ctx->optval_end;
+ __u8 *optval = ctx->optval;
+
+ if (ctx->level != SOL_IP || ctx->optname != IP_TOS)
+ return 1;
+
+ if (optval + 1 > optval_end)
+ return 0; /* EPERM, bounds check */
+
+ if (optval[0] != 0x90)
+ return 0; /* EPERM, unexpected optval from the kernel */
+
+ ctx->retval = 0; /* Reset system call return value to zero */
+
+ optval[0] = 0xA0;
+ ctx->optlen = 1;
+
+ return 1;
+}
+
+SEC("cgroup/setsockopt")
+int _setsockopt(struct bpf_sockopt *ctx)
+{
+ __u8 *optval_end = ctx->optval_end;
+ __u8 *optval = ctx->optval;
+
+ if (ctx->level != SOL_IP || ctx->optname != IP_TOS)
+ return 1;
+
+ if (optval + 1 > optval_end)
+ return 0; /* EPERM, bounds check */
+
+ optval[0] += 0x10;
+ ctx->optlen = 1;
+
+ return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/sockopt_sk.c b/tools/testing/selftests/bpf/progs/sockopt_sk.c
new file mode 100644
index 000000000000..076122c898e9
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockopt_sk.c
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <netinet/in.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+__u32 _version SEC("version") = 1;
+
+#define SOL_CUSTOM 0xdeadbeef
+
+struct sockopt_sk {
+ __u8 val;
+};
+
+struct bpf_map_def SEC("maps") socket_storage_map = {
+ .type = BPF_MAP_TYPE_SK_STORAGE,
+ .key_size = sizeof(int),
+ .value_size = sizeof(struct sockopt_sk),
+ .map_flags = BPF_F_NO_PREALLOC,
+};
+BPF_ANNOTATE_KV_PAIR(socket_storage_map, int, struct sockopt_sk);
+
+SEC("cgroup/getsockopt")
+int _getsockopt(struct bpf_sockopt *ctx)
+{
+ __u8 *optval_end = ctx->optval_end;
+ __u8 *optval = ctx->optval;
+ struct sockopt_sk *storage;
+
+ if (ctx->level == SOL_IP && ctx->optname == IP_TOS)
+ /* Not interested in SOL_IP:IP_TOS;
+ * let next BPF program in the cgroup chain or kernel
+ * handle it.
+ */
+ return 1;
+
+ if (ctx->level == SOL_SOCKET && ctx->optname == SO_SNDBUF) {
+ /* Not interested in SOL_SOCKET:SO_SNDBUF;
+ * let next BPF program in the cgroup chain or kernel
+ * handle it.
+ */
+ return 1;
+ }
+
+ if (ctx->level != SOL_CUSTOM)
+ return 0; /* EPERM, deny everything except custom level */
+
+ if (optval + 1 > optval_end)
+ return 0; /* EPERM, bounds check */
+
+ storage = bpf_sk_storage_get(&socket_storage_map, ctx->sk, 0,
+ BPF_SK_STORAGE_GET_F_CREATE);
+ if (!storage)
+ return 0; /* EPERM, couldn't get sk storage */
+
+ if (!ctx->retval)
+ return 0; /* EPERM, kernel should not have handled
+ * SOL_CUSTOM, something is wrong!
+ */
+ ctx->retval = 0; /* Reset system call return value to zero */
+
+ optval[0] = storage->val;
+ ctx->optlen = 1;
+
+ return 1;
+}
+
+SEC("cgroup/setsockopt")
+int _setsockopt(struct bpf_sockopt *ctx)
+{
+ __u8 *optval_end = ctx->optval_end;
+ __u8 *optval = ctx->optval;
+ struct sockopt_sk *storage;
+
+ if (ctx->level == SOL_IP && ctx->optname == IP_TOS)
+ /* Not interested in SOL_IP:IP_TOS;
+ * let next BPF program in the cgroup chain or kernel
+ * handle it.
+ */
+ return 1;
+
+ if (ctx->level == SOL_SOCKET && ctx->optname == SO_SNDBUF) {
+ /* Overwrite SO_SNDBUF value */
+
+ if (optval + sizeof(__u32) > optval_end)
+ return 0; /* EPERM, bounds check */
+
+ *(__u32 *)optval = 0x55AA;
+ ctx->optlen = 4;
+
+ return 1;
+ }
+
+ if (ctx->level != SOL_CUSTOM)
+ return 0; /* EPERM, deny everything except custom level */
+
+ if (optval + 1 > optval_end)
+ return 0; /* EPERM, bounds check */
+
+ storage = bpf_sk_storage_get(&socket_storage_map, ctx->sk, 0,
+ BPF_SK_STORAGE_GET_F_CREATE);
+ if (!storage)
+ return 0; /* EPERM, couldn't get sk storage */
+
+ storage->val = optval[0];
+ ctx->optlen = -1; /* BPF has consumed this option, don't call kernel
+ * setsockopt handler.
+ */
+
+ return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/strobemeta.c b/tools/testing/selftests/bpf/progs/strobemeta.c
new file mode 100644
index 000000000000..d3df3d86f092
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+// Copyright (c) 2019 Facebook
+
+#define STROBE_MAX_INTS 2
+#define STROBE_MAX_STRS 25
+#define STROBE_MAX_MAPS 100
+#define STROBE_MAX_MAP_ENTRIES 20
+/* full unroll by llvm #undef NO_UNROLL */
+#include "strobemeta.h"
+
diff --git a/tools/testing/selftests/bpf/progs/strobemeta.h b/tools/testing/selftests/bpf/progs/strobemeta.h
new file mode 100644
index 000000000000..8a399bdfd920
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta.h
@@ -0,0 +1,530 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <linux/ptrace.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include "bpf_helpers.h"
+
+typedef uint32_t pid_t;
+struct task_struct {};
+
+#define TASK_COMM_LEN 16
+#define PERF_MAX_STACK_DEPTH 127
+
+#define STROBE_TYPE_INVALID 0
+#define STROBE_TYPE_INT 1
+#define STROBE_TYPE_STR 2
+#define STROBE_TYPE_MAP 3
+
+#define STACK_TABLE_EPOCH_SHIFT 20
+#define STROBE_MAX_STR_LEN 1
+#define STROBE_MAX_CFGS 32
+#define STROBE_MAX_PAYLOAD \
+ (STROBE_MAX_STRS * STROBE_MAX_STR_LEN + \
+ STROBE_MAX_MAPS * (1 + STROBE_MAX_MAP_ENTRIES * 2) * STROBE_MAX_STR_LEN)
+
+struct strobe_value_header {
+ /*
+ * meaning depends on type:
+ * 1. int: 0, if value not set, 1 otherwise
+ * 2. str: 1 always, whether value is set or not is determined by ptr
+ * 3. map: 1 always, pointer points to additional struct with number
+ * of entries (up to STROBE_MAX_MAP_ENTRIES)
+ */
+ uint16_t len;
+ /*
+ * _reserved might be used for some future fields/flags, but we always
+ * want to keep strobe_value_header to be 8 bytes, so BPF can read 16
+ * bytes in one go and get both header and value
+ */
+ uint8_t _reserved[6];
+};
+
+/*
+ * strobe_value_generic is used from BPF probe only, but needs to be a union
+ * of strobe_value_int/strobe_value_str/strobe_value_map
+ */
+struct strobe_value_generic {
+ struct strobe_value_header header;
+ union {
+ int64_t val;
+ void *ptr;
+ };
+};
+
+struct strobe_value_int {
+ struct strobe_value_header header;
+ int64_t value;
+};
+
+struct strobe_value_str {
+ struct strobe_value_header header;
+ const char* value;
+};
+
+struct strobe_value_map {
+ struct strobe_value_header header;
+ const struct strobe_map_raw* value;
+};
+
+struct strobe_map_entry {
+ const char* key;
+ const char* val;
+};
+
+/*
+ * Map of C-string key/value pairs with fixed maximum capacity. Each map has
+ * corresponding int64 ID, which application can use (or ignore) in whatever
+ * way appropriate. Map is "write-only", there is no way to get data out of
+ * map. Map is intended to be used to provide metadata for profilers and is
+ * not to be used for internal in-app communication. All methods are
+ * thread-safe.
+ */
+struct strobe_map_raw {
+ /*
+ * general purpose unique ID that's up to application to decide
+ * whether and how to use; for request metadata use case id is unique
+ * request ID that's used to match metadata with stack traces on
+ * Strobelight backend side
+ */
+ int64_t id;
+ /* number of used entries in map */
+ int64_t cnt;
+ /*
+ * having volatile doesn't change anything on BPF side, but clang
+ * emits warnings for passing `volatile const char *` into
+ * bpf_probe_read_str that expects just `const char *`
+ */
+ const char* tag;
+ /*
+ * key/value entries, each consisting of 2 pointers to key and value
+ * C strings
+ */
+ struct strobe_map_entry entries[STROBE_MAX_MAP_ENTRIES];
+};
+
+/* Following values define supported values of TLS mode */
+#define TLS_NOT_SET -1
+#define TLS_LOCAL_EXEC 0
+#define TLS_IMM_EXEC 1
+#define TLS_GENERAL_DYN 2
+
+/*
+ * structure that universally represents TLS location (both for static
+ * executables and shared libraries)
+ */
+struct strobe_value_loc {
+ /*
+ * tls_mode defines what TLS mode was used for particular metavariable:
+ * - -1 (TLS_NOT_SET) - no metavariable;
+ * - 0 (TLS_LOCAL_EXEC) - Local Executable mode;
+ * - 1 (TLS_IMM_EXEC) - Immediate Executable mode;
+ * - 2 (TLS_GENERAL_DYN) - General Dynamic mode;
+ * Local Dynamic mode is not yet supported, because never seen in
+ * practice. Mode defines how offset field is interpreted. See
+ * calc_location() in below for details.
+ */
+ int64_t tls_mode;
+ /*
+ * TLS_LOCAL_EXEC: offset from thread pointer (fs:0 for x86-64,
+ * tpidr_el0 for aarch64).
+ * TLS_IMM_EXEC: absolute address of GOT entry containing offset
+ * from thread pointer;
+ * TLS_GENERAL_DYN: absolute addres of double GOT entry
+ * containing tls_index_t struct;
+ */
+ int64_t offset;
+};
+
+struct strobemeta_cfg {
+ int64_t req_meta_idx;
+ struct strobe_value_loc int_locs[STROBE_MAX_INTS];
+ struct strobe_value_loc str_locs[STROBE_MAX_STRS];
+ struct strobe_value_loc map_locs[STROBE_MAX_MAPS];
+};
+
+struct strobe_map_descr {
+ uint64_t id;
+ int16_t tag_len;
+ /*
+ * cnt <0 - map value isn't set;
+ * 0 - map has id set, but no key/value entries
+ */
+ int16_t cnt;
+ /*
+ * both key_lens[i] and val_lens[i] should be >0 for present key/value
+ * entry
+ */
+ uint16_t key_lens[STROBE_MAX_MAP_ENTRIES];
+ uint16_t val_lens[STROBE_MAX_MAP_ENTRIES];
+};
+
+struct strobemeta_payload {
+ /* req_id has valid request ID, if req_meta_valid == 1 */
+ int64_t req_id;
+ uint8_t req_meta_valid;
+ /*
+ * mask has Nth bit set to 1, if Nth metavar was present and
+ * successfully read
+ */
+ uint64_t int_vals_set_mask;
+ int64_t int_vals[STROBE_MAX_INTS];
+ /* len is >0 for present values */
+ uint16_t str_lens[STROBE_MAX_STRS];
+ /* if map_descrs[i].cnt == -1, metavar is not present/set */
+ struct strobe_map_descr map_descrs[STROBE_MAX_MAPS];
+ /*
+ * payload has compactly packed values of str and map variables in the
+ * form: strval1\0strval2\0map1key1\0map1val1\0map2key1\0map2val1\0
+ * (and so on); str_lens[i], key_lens[i] and val_lens[i] determines
+ * value length
+ */
+ char payload[STROBE_MAX_PAYLOAD];
+};
+
+struct strobelight_bpf_sample {
+ uint64_t ktime;
+ char comm[TASK_COMM_LEN];
+ pid_t pid;
+ int user_stack_id;
+ int kernel_stack_id;
+ int has_meta;
+ struct strobemeta_payload metadata;
+ /*
+ * makes it possible to pass (<real payload size> + 1) as data size to
+ * perf_submit() to avoid perf_submit's paranoia about passing zero as
+ * size, as it deduces that <real payload size> might be
+ * **theoretically** zero
+ */
+ char dummy_safeguard;
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+ __uint(max_entries, 32);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} samples SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_STACK_TRACE);
+ __uint(max_entries, 16);
+ __uint(key_size, sizeof(uint32_t));
+ __uint(value_size, sizeof(uint64_t) * PERF_MAX_STACK_DEPTH);
+} stacks_0 SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_STACK_TRACE);
+ __uint(max_entries, 16);
+ __uint(key_size, sizeof(uint32_t));
+ __uint(value_size, sizeof(uint64_t) * PERF_MAX_STACK_DEPTH);
+} stacks_1 SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, uint32_t);
+ __type(value, struct strobelight_bpf_sample);
+} sample_heap SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(max_entries, STROBE_MAX_CFGS);
+ __type(key, pid_t);
+ __type(value, struct strobemeta_cfg);
+} strobemeta_cfgs SEC(".maps");
+
+/* Type for the dtv. */
+/* https://github.com/lattera/glibc/blob/master/nptl/sysdeps/x86_64/tls.h#L34 */
+typedef union dtv {
+ size_t counter;
+ struct {
+ void* val;
+ bool is_static;
+ } pointer;
+} dtv_t;
+
+/* Partial definition for tcbhead_t */
+/* https://github.com/bminor/glibc/blob/master/sysdeps/x86_64/nptl/tls.h#L42 */
+struct tcbhead {
+ void* tcb;
+ dtv_t* dtv;
+};
+
+/*
+ * TLS module/offset information for shared library case.
+ * For x86-64, this is mapped onto two entries in GOT.
+ * For aarch64, this is pointed to by second GOT entry.
+ */
+struct tls_index {
+ uint64_t module;
+ uint64_t offset;
+};
+
+static __always_inline void *calc_location(struct strobe_value_loc *loc,
+ void *tls_base)
+{
+ /*
+ * tls_mode value is:
+ * - -1 (TLS_NOT_SET), if no metavar is present;
+ * - 0 (TLS_LOCAL_EXEC), if metavar uses Local Executable mode of TLS
+ * (offset from fs:0 for x86-64 or tpidr_el0 for aarch64);
+ * - 1 (TLS_IMM_EXEC), if metavar uses Immediate Executable mode of TLS;
+ * - 2 (TLS_GENERAL_DYN), if metavar uses General Dynamic mode of TLS;
+ * This schema allows to use something like:
+ * (tls_mode + 1) * (tls_base + offset)
+ * to get NULL for "no metavar" location, or correct pointer for local
+ * executable mode without doing extra ifs.
+ */
+ if (loc->tls_mode <= TLS_LOCAL_EXEC) {
+ /* static executable is simple, we just have offset from
+ * tls_base */
+ void *addr = tls_base + loc->offset;
+ /* multiply by (tls_mode + 1) to get NULL, if we have no
+ * metavar in this slot */
+ return (void *)((loc->tls_mode + 1) * (int64_t)addr);
+ }
+ /*
+ * Other modes are more complicated, we need to jump through few hoops.
+ *
+ * For immediate executable mode (currently supported only for aarch64):
+ * - loc->offset is pointing to a GOT entry containing fixed offset
+ * relative to tls_base;
+ *
+ * For general dynamic mode:
+ * - loc->offset is pointing to a beginning of double GOT entries;
+ * - (for aarch64 only) second entry points to tls_index_t struct;
+ * - (for x86-64 only) two GOT entries are already tls_index_t;
+ * - tls_index_t->module is used to find start of TLS section in
+ * which variable resides;
+ * - tls_index_t->offset provides offset within that TLS section,
+ * pointing to value of variable.
+ */
+ struct tls_index tls_index;
+ dtv_t *dtv;
+ void *tls_ptr;
+
+ bpf_probe_read(&tls_index, sizeof(struct tls_index),
+ (void *)loc->offset);
+ /* valid module index is always positive */
+ if (tls_index.module > 0) {
+ /* dtv = ((struct tcbhead *)tls_base)->dtv[tls_index.module] */
+ bpf_probe_read(&dtv, sizeof(dtv),
+ &((struct tcbhead *)tls_base)->dtv);
+ dtv += tls_index.module;
+ } else {
+ dtv = NULL;
+ }
+ bpf_probe_read(&tls_ptr, sizeof(void *), dtv);
+ /* if pointer has (void *)-1 value, then TLS wasn't initialized yet */
+ return tls_ptr && tls_ptr != (void *)-1
+ ? tls_ptr + tls_index.offset
+ : NULL;
+}
+
+static __always_inline void read_int_var(struct strobemeta_cfg *cfg,
+ size_t idx, void *tls_base,
+ struct strobe_value_generic *value,
+ struct strobemeta_payload *data)
+{
+ void *location = calc_location(&cfg->int_locs[idx], tls_base);
+ if (!location)
+ return;
+
+ bpf_probe_read(value, sizeof(struct strobe_value_generic), location);
+ data->int_vals[idx] = value->val;
+ if (value->header.len)
+ data->int_vals_set_mask |= (1 << idx);
+}
+
+static __always_inline uint64_t read_str_var(struct strobemeta_cfg *cfg,
+ size_t idx, void *tls_base,
+ struct strobe_value_generic *value,
+ struct strobemeta_payload *data,
+ void *payload)
+{
+ void *location;
+ uint32_t len;
+
+ data->str_lens[idx] = 0;
+ location = calc_location(&cfg->str_locs[idx], tls_base);
+ if (!location)
+ return 0;
+
+ bpf_probe_read(value, sizeof(struct strobe_value_generic), location);
+ len = bpf_probe_read_str(payload, STROBE_MAX_STR_LEN, value->ptr);
+ /*
+ * if bpf_probe_read_str returns error (<0), due to casting to
+ * unsinged int, it will become big number, so next check is
+ * sufficient to check for errors AND prove to BPF verifier, that
+ * bpf_probe_read_str won't return anything bigger than
+ * STROBE_MAX_STR_LEN
+ */
+ if (len > STROBE_MAX_STR_LEN)
+ return 0;
+
+ data->str_lens[idx] = len;
+ return len;
+}
+
+static __always_inline void *read_map_var(struct strobemeta_cfg *cfg,
+ size_t idx, void *tls_base,
+ struct strobe_value_generic *value,
+ struct strobemeta_payload *data,
+ void *payload)
+{
+ struct strobe_map_descr* descr = &data->map_descrs[idx];
+ struct strobe_map_raw map;
+ void *location;
+ uint32_t len;
+ int i;
+
+ descr->tag_len = 0; /* presume no tag is set */
+ descr->cnt = -1; /* presume no value is set */
+
+ location = calc_location(&cfg->map_locs[idx], tls_base);
+ if (!location)
+ return payload;
+
+ bpf_probe_read(value, sizeof(struct strobe_value_generic), location);
+ if (bpf_probe_read(&map, sizeof(struct strobe_map_raw), value->ptr))
+ return payload;
+
+ descr->id = map.id;
+ descr->cnt = map.cnt;
+ if (cfg->req_meta_idx == idx) {
+ data->req_id = map.id;
+ data->req_meta_valid = 1;
+ }
+
+ len = bpf_probe_read_str(payload, STROBE_MAX_STR_LEN, map.tag);
+ if (len <= STROBE_MAX_STR_LEN) {
+ descr->tag_len = len;
+ payload += len;
+ }
+
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#pragma unroll
+#endif
+ for (int i = 0; i < STROBE_MAX_MAP_ENTRIES && i < map.cnt; ++i) {
+ descr->key_lens[i] = 0;
+ len = bpf_probe_read_str(payload, STROBE_MAX_STR_LEN,
+ map.entries[i].key);
+ if (len <= STROBE_MAX_STR_LEN) {
+ descr->key_lens[i] = len;
+ payload += len;
+ }
+ descr->val_lens[i] = 0;
+ len = bpf_probe_read_str(payload, STROBE_MAX_STR_LEN,
+ map.entries[i].val);
+ if (len <= STROBE_MAX_STR_LEN) {
+ descr->val_lens[i] = len;
+ payload += len;
+ }
+ }
+
+ return payload;
+}
+
+/*
+ * read_strobe_meta returns NULL, if no metadata was read; otherwise returns
+ * pointer to *right after* payload ends
+ */
+static __always_inline void *read_strobe_meta(struct task_struct *task,
+ struct strobemeta_payload *data)
+{
+ pid_t pid = bpf_get_current_pid_tgid() >> 32;
+ struct strobe_value_generic value = {0};
+ struct strobemeta_cfg *cfg;
+ void *tls_base, *payload;
+
+ cfg = bpf_map_lookup_elem(&strobemeta_cfgs, &pid);
+ if (!cfg)
+ return NULL;
+
+ data->int_vals_set_mask = 0;
+ data->req_meta_valid = 0;
+ payload = data->payload;
+ /*
+ * we don't have struct task_struct definition, it should be:
+ * tls_base = (void *)task->thread.fsbase;
+ */
+ tls_base = (void *)task;
+
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#pragma unroll
+#endif
+ for (int i = 0; i < STROBE_MAX_INTS; ++i) {
+ read_int_var(cfg, i, tls_base, &value, data);
+ }
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#pragma unroll
+#endif
+ for (int i = 0; i < STROBE_MAX_STRS; ++i) {
+ payload += read_str_var(cfg, i, tls_base, &value, data, payload);
+ }
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#pragma unroll
+#endif
+ for (int i = 0; i < STROBE_MAX_MAPS; ++i) {
+ payload = read_map_var(cfg, i, tls_base, &value, data, payload);
+ }
+ /*
+ * return pointer right after end of payload, so it's possible to
+ * calculate exact amount of useful data that needs to be sent
+ */
+ return payload;
+}
+
+SEC("raw_tracepoint/kfree_skb")
+int on_event(struct pt_regs *ctx) {
+ pid_t pid = bpf_get_current_pid_tgid() >> 32;
+ struct strobelight_bpf_sample* sample;
+ struct task_struct *task;
+ uint32_t zero = 0;
+ uint64_t ktime_ns;
+ void *sample_end;
+
+ sample = bpf_map_lookup_elem(&sample_heap, &zero);
+ if (!sample)
+ return 0; /* this will never happen */
+
+ sample->pid = pid;
+ bpf_get_current_comm(&sample->comm, TASK_COMM_LEN);
+ ktime_ns = bpf_ktime_get_ns();
+ sample->ktime = ktime_ns;
+
+ task = (struct task_struct *)bpf_get_current_task();
+ sample_end = read_strobe_meta(task, &sample->metadata);
+ sample->has_meta = sample_end != NULL;
+ sample_end = sample_end ? : &sample->metadata;
+
+ if ((ktime_ns >> STACK_TABLE_EPOCH_SHIFT) & 1) {
+ sample->kernel_stack_id = bpf_get_stackid(ctx, &stacks_1, 0);
+ sample->user_stack_id = bpf_get_stackid(ctx, &stacks_1, BPF_F_USER_STACK);
+ } else {
+ sample->kernel_stack_id = bpf_get_stackid(ctx, &stacks_0, 0);
+ sample->user_stack_id = bpf_get_stackid(ctx, &stacks_0, BPF_F_USER_STACK);
+ }
+
+ uint64_t sample_size = sample_end - (void *)sample;
+ /* should always be true */
+ if (sample_size < sizeof(struct strobelight_bpf_sample))
+ bpf_perf_event_output(ctx, &samples, 0, sample, 1 + sample_size);
+ return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/strobemeta_nounroll1.c b/tools/testing/selftests/bpf/progs/strobemeta_nounroll1.c
new file mode 100644
index 000000000000..f0a1669e11d6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta_nounroll1.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+// Copyright (c) 2019 Facebook
+
+#define STROBE_MAX_INTS 2
+#define STROBE_MAX_STRS 25
+#define STROBE_MAX_MAPS 13
+#define STROBE_MAX_MAP_ENTRIES 20
+#define NO_UNROLL
+#include "strobemeta.h"
diff --git a/tools/testing/selftests/bpf/progs/strobemeta_nounroll2.c b/tools/testing/selftests/bpf/progs/strobemeta_nounroll2.c
new file mode 100644
index 000000000000..4291a7d642e7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta_nounroll2.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+// Copyright (c) 2019 Facebook
+
+#define STROBE_MAX_INTS 2
+#define STROBE_MAX_STRS 25
+#define STROBE_MAX_MAPS 30
+#define STROBE_MAX_MAP_ENTRIES 20
+#define NO_UNROLL
+#include "strobemeta.h"
diff --git a/tools/testing/selftests/bpf/progs/tcp_rtt.c b/tools/testing/selftests/bpf/progs/tcp_rtt.c
new file mode 100644
index 000000000000..233bdcb1659e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tcp_rtt.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+__u32 _version SEC("version") = 1;
+
+struct tcp_rtt_storage {
+ __u32 invoked;
+ __u32 dsack_dups;
+ __u32 delivered;
+ __u32 delivered_ce;
+ __u32 icsk_retransmits;
+};
+
+struct bpf_map_def SEC("maps") socket_storage_map = {
+ .type = BPF_MAP_TYPE_SK_STORAGE,
+ .key_size = sizeof(int),
+ .value_size = sizeof(struct tcp_rtt_storage),
+ .map_flags = BPF_F_NO_PREALLOC,
+};
+BPF_ANNOTATE_KV_PAIR(socket_storage_map, int, struct tcp_rtt_storage);
+
+SEC("sockops")
+int _sockops(struct bpf_sock_ops *ctx)
+{
+ struct tcp_rtt_storage *storage;
+ struct bpf_tcp_sock *tcp_sk;
+ int op = (int) ctx->op;
+ struct bpf_sock *sk;
+
+ sk = ctx->sk;
+ if (!sk)
+ return 1;
+
+ storage = bpf_sk_storage_get(&socket_storage_map, sk, 0,
+ BPF_SK_STORAGE_GET_F_CREATE);
+ if (!storage)
+ return 1;
+
+ if (op == BPF_SOCK_OPS_TCP_CONNECT_CB) {
+ bpf_sock_ops_cb_flags_set(ctx, BPF_SOCK_OPS_RTT_CB_FLAG);
+ return 1;
+ }
+
+ if (op != BPF_SOCK_OPS_RTT_CB)
+ return 1;
+
+ tcp_sk = bpf_tcp_sock(sk);
+ if (!tcp_sk)
+ return 1;
+
+ storage->invoked++;
+
+ storage->dsack_dups = tcp_sk->dsack_dups;
+ storage->delivered = tcp_sk->delivered;
+ storage->delivered_ce = tcp_sk->delivered_ce;
+ storage->icsk_retransmits = tcp_sk->icsk_retransmits;
+
+ return 1;
+}
diff --git a/tools/testing/selftests/bpf/test_adjust_tail.c b/tools/testing/selftests/bpf/progs/test_adjust_tail.c
index 4cd5e860c903..4cd5e860c903 100644
--- a/tools/testing/selftests/bpf/test_adjust_tail.c
+++ b/tools/testing/selftests/bpf/progs/test_adjust_tail.c
diff --git a/tools/testing/selftests/bpf/progs/test_attach_probe.c b/tools/testing/selftests/bpf/progs/test_attach_probe.c
new file mode 100644
index 000000000000..63a8dfef893b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_attach_probe.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2017 Facebook
+
+#include <linux/ptrace.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 4);
+ __type(key, int);
+ __type(value, int);
+} results_map SEC(".maps");
+
+SEC("kprobe/sys_nanosleep")
+int handle_sys_nanosleep_entry(struct pt_regs *ctx)
+{
+ const int key = 0, value = 1;
+
+ bpf_map_update_elem(&results_map, &key, &value, 0);
+ return 0;
+}
+
+SEC("kretprobe/sys_nanosleep")
+int handle_sys_getpid_return(struct pt_regs *ctx)
+{
+ const int key = 1, value = 2;
+
+ bpf_map_update_elem(&results_map, &key, &value, 0);
+ return 0;
+}
+
+SEC("uprobe/trigger_func")
+int handle_uprobe_entry(struct pt_regs *ctx)
+{
+ const int key = 2, value = 3;
+
+ bpf_map_update_elem(&results_map, &key, &value, 0);
+ return 0;
+}
+
+SEC("uretprobe/trigger_func")
+int handle_uprobe_return(struct pt_regs *ctx)
+{
+ const int key = 3, value = 4;
+
+ bpf_map_update_elem(&results_map, &key, &value, 0);
+ return 0;
+}
+
+char _license[] SEC("license") = "GPL";
+__u32 _version SEC("version") = 1;
diff --git a/tools/testing/selftests/bpf/test_btf_haskv.c b/tools/testing/selftests/bpf/progs/test_btf_haskv.c
index e5c79fe0ffdb..e5c79fe0ffdb 100644
--- a/tools/testing/selftests/bpf/test_btf_haskv.c
+++ b/tools/testing/selftests/bpf/progs/test_btf_haskv.c
diff --git a/tools/testing/selftests/bpf/progs/test_btf_newkv.c b/tools/testing/selftests/bpf/progs/test_btf_newkv.c
new file mode 100644
index 000000000000..5ee3622ddebb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_btf_newkv.c
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2018 Facebook */
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+int _version SEC("version") = 1;
+
+struct ipv_counts {
+ unsigned int v4;
+ unsigned int v6;
+};
+
+/* just to validate we can handle maps in multiple sections */
+struct bpf_map_def SEC("maps") btf_map_legacy = {
+ .type = BPF_MAP_TYPE_ARRAY,
+ .key_size = sizeof(int),
+ .value_size = sizeof(long long),
+ .max_entries = 4,
+};
+
+BPF_ANNOTATE_KV_PAIR(btf_map_legacy, int, struct ipv_counts);
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 4);
+ __type(key, int);
+ __type(value, struct ipv_counts);
+} btf_map SEC(".maps");
+
+struct dummy_tracepoint_args {
+ unsigned long long pad;
+ struct sock *sock;
+};
+
+__attribute__((noinline))
+static int test_long_fname_2(struct dummy_tracepoint_args *arg)
+{
+ struct ipv_counts *counts;
+ int key = 0;
+
+ if (!arg->sock)
+ return 0;
+
+ counts = bpf_map_lookup_elem(&btf_map, &key);
+ if (!counts)
+ return 0;
+
+ counts->v6++;
+
+ /* just verify we can reference both maps */
+ counts = bpf_map_lookup_elem(&btf_map_legacy, &key);
+ if (!counts)
+ return 0;
+
+ return 0;
+}
+
+__attribute__((noinline))
+static int test_long_fname_1(struct dummy_tracepoint_args *arg)
+{
+ return test_long_fname_2(arg);
+}
+
+SEC("dummy_tracepoint")
+int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
+{
+ return test_long_fname_1(arg);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_btf_nokv.c b/tools/testing/selftests/bpf/progs/test_btf_nokv.c
index 434188c37774..434188c37774 100644
--- a/tools/testing/selftests/bpf/test_btf_nokv.c
+++ b/tools/testing/selftests/bpf/progs/test_btf_nokv.c
diff --git a/tools/testing/selftests/bpf/test_get_stack_rawtp.c b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
index f6d9f238e00a..d06b47a09097 100644
--- a/tools/testing/selftests/bpf/test_get_stack_rawtp.c
+++ b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
@@ -15,19 +15,19 @@ struct stack_trace_t {
struct bpf_stack_build_id user_stack_buildid[MAX_STACK_RAWTP];
};
-struct bpf_map_def SEC("maps") perfmap = {
- .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(__u32),
- .max_entries = 2,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+ __uint(max_entries, 2);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(__u32));
+} perfmap SEC(".maps");
-struct bpf_map_def SEC("maps") stackdata_map = {
- .type = BPF_MAP_TYPE_PERCPU_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct stack_trace_t),
- .max_entries = 1,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, struct stack_trace_t);
+} stackdata_map SEC(".maps");
/* Allocate per-cpu space twice the needed. For the code below
* usize = bpf_get_stack(ctx, raw_data, max_len, BPF_F_USER_STACK);
@@ -47,12 +47,12 @@ struct bpf_map_def SEC("maps") stackdata_map = {
* issue and avoid complicated C programming massaging.
* This is an acceptable workaround since there is one entry here.
*/
-struct bpf_map_def SEC("maps") rawdata_map = {
- .type = BPF_MAP_TYPE_PERCPU_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = MAX_STACK_RAWTP * sizeof(__u64) * 2,
- .max_entries = 1,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __u64 (*value)[2 * MAX_STACK_RAWTP];
+} rawdata_map SEC(".maps");
SEC("tracepoint/raw_syscalls/sys_enter")
int bpf_prog1(void *ctx)
diff --git a/tools/testing/selftests/bpf/progs/test_global_data.c b/tools/testing/selftests/bpf/progs/test_global_data.c
new file mode 100644
index 000000000000..32a6073acb99
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_data.c
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Isovalent, Inc.
+
+#include <linux/bpf.h>
+#include <linux/pkt_cls.h>
+#include <string.h>
+
+#include "bpf_helpers.h"
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 11);
+ __type(key, __u32);
+ __type(value, __u64);
+} result_number SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 5);
+ __type(key, __u32);
+ const char (*value)[32];
+} result_string SEC(".maps");
+
+struct foo {
+ __u8 a;
+ __u32 b;
+ __u64 c;
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 5);
+ __type(key, __u32);
+ __type(value, struct foo);
+} result_struct SEC(".maps");
+
+/* Relocation tests for __u64s. */
+static __u64 num0;
+static __u64 num1 = 42;
+static const __u64 num2 = 24;
+static __u64 num3 = 0;
+static __u64 num4 = 0xffeeff;
+static const __u64 num5 = 0xabab;
+static const __u64 num6 = 0xab;
+
+/* Relocation tests for strings. */
+static const char str0[32] = "abcdefghijklmnopqrstuvwxyz";
+static char str1[32] = "abcdefghijklmnopqrstuvwxyz";
+static char str2[32];
+
+/* Relocation tests for structs. */
+static const struct foo struct0 = {
+ .a = 42,
+ .b = 0xfefeefef,
+ .c = 0x1111111111111111ULL,
+};
+static struct foo struct1;
+static const struct foo struct2;
+static struct foo struct3 = {
+ .a = 41,
+ .b = 0xeeeeefef,
+ .c = 0x2111111111111111ULL,
+};
+
+#define test_reloc(map, num, var) \
+ do { \
+ __u32 key = num; \
+ bpf_map_update_elem(&result_##map, &key, var, 0); \
+ } while (0)
+
+SEC("static_data_load")
+int load_static_data(struct __sk_buff *skb)
+{
+ static const __u64 bar = ~0;
+
+ test_reloc(number, 0, &num0);
+ test_reloc(number, 1, &num1);
+ test_reloc(number, 2, &num2);
+ test_reloc(number, 3, &num3);
+ test_reloc(number, 4, &num4);
+ test_reloc(number, 5, &num5);
+ num4 = 1234;
+ test_reloc(number, 6, &num4);
+ test_reloc(number, 7, &num0);
+ test_reloc(number, 8, &num6);
+
+ test_reloc(string, 0, str0);
+ test_reloc(string, 1, str1);
+ test_reloc(string, 2, str2);
+ str1[5] = 'x';
+ test_reloc(string, 3, str1);
+ __builtin_memcpy(&str2[2], "hello", sizeof("hello"));
+ test_reloc(string, 4, str2);
+
+ test_reloc(struct, 0, &struct0);
+ test_reloc(struct, 1, &struct1);
+ test_reloc(struct, 2, &struct2);
+ test_reloc(struct, 3, &struct3);
+
+ test_reloc(number, 9, &struct0.c);
+ test_reloc(number, 10, &bar);
+
+ return TC_ACT_OK;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_jhash.h b/tools/testing/selftests/bpf/progs/test_jhash.h
new file mode 100644
index 000000000000..c300734d26f6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_jhash.h
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <features.h>
+
+typedef unsigned int u32;
+
+static __always_inline u32 rol32(u32 word, unsigned int shift)
+{
+ return (word << shift) | (word >> ((-shift) & 31));
+}
+
+#define __jhash_mix(a, b, c) \
+{ \
+ a -= c; a ^= rol32(c, 4); c += b; \
+ b -= a; b ^= rol32(a, 6); a += c; \
+ c -= b; c ^= rol32(b, 8); b += a; \
+ a -= c; a ^= rol32(c, 16); c += b; \
+ b -= a; b ^= rol32(a, 19); a += c; \
+ c -= b; c ^= rol32(b, 4); b += a; \
+}
+
+#define __jhash_final(a, b, c) \
+{ \
+ c ^= b; c -= rol32(b, 14); \
+ a ^= c; a -= rol32(c, 11); \
+ b ^= a; b -= rol32(a, 25); \
+ c ^= b; c -= rol32(b, 16); \
+ a ^= c; a -= rol32(c, 4); \
+ b ^= a; b -= rol32(a, 14); \
+ c ^= b; c -= rol32(b, 24); \
+}
+
+#define JHASH_INITVAL 0xdeadbeef
+
+static ATTR
+u32 jhash(const void *key, u32 length, u32 initval)
+{
+ u32 a, b, c;
+ const unsigned char *k = key;
+
+ a = b = c = JHASH_INITVAL + length + initval;
+
+ while (length > 12) {
+ a += *(volatile u32 *)(k);
+ b += *(volatile u32 *)(k + 4);
+ c += *(volatile u32 *)(k + 8);
+ __jhash_mix(a, b, c);
+ length -= 12;
+ k += 12;
+ }
+ switch (length) {
+ case 12: c += (u32)k[11]<<24;
+ case 11: c += (u32)k[10]<<16;
+ case 10: c += (u32)k[9]<<8;
+ case 9: c += k[8];
+ case 8: b += (u32)k[7]<<24;
+ case 7: b += (u32)k[6]<<16;
+ case 6: b += (u32)k[5]<<8;
+ case 5: b += k[4];
+ case 4: a += (u32)k[3]<<24;
+ case 3: a += (u32)k[2]<<16;
+ case 2: a += (u32)k[1]<<8;
+ case 1: a += k[0];
+ c ^= a;
+ __jhash_final(a, b, c);
+ case 0: /* Nothing left to add */
+ break;
+ }
+
+ return c;
+}
diff --git a/tools/testing/selftests/bpf/test_l4lb.c b/tools/testing/selftests/bpf/progs/test_l4lb.c
index 1e10c9590991..1d652ee8e73d 100644
--- a/tools/testing/selftests/bpf/test_l4lb.c
+++ b/tools/testing/selftests/bpf/progs/test_l4lb.c
@@ -169,40 +169,40 @@ struct eth_hdr {
unsigned short eth_proto;
};
-struct bpf_map_def SEC("maps") vip_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(struct vip),
- .value_size = sizeof(struct vip_meta),
- .max_entries = MAX_VIPS,
-};
-
-struct bpf_map_def SEC("maps") ch_rings = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = CH_RINGS_SIZE,
-};
-
-struct bpf_map_def SEC("maps") reals = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct real_definition),
- .max_entries = MAX_REALS,
-};
-
-struct bpf_map_def SEC("maps") stats = {
- .type = BPF_MAP_TYPE_PERCPU_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct vip_stats),
- .max_entries = MAX_VIPS,
-};
-
-struct bpf_map_def SEC("maps") ctl_array = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct ctl_value),
- .max_entries = CTL_MAP_SIZE,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, MAX_VIPS);
+ __type(key, struct vip);
+ __type(value, struct vip_meta);
+} vip_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, CH_RINGS_SIZE);
+ __type(key, __u32);
+ __type(value, __u32);
+} ch_rings SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, MAX_REALS);
+ __type(key, __u32);
+ __type(value, struct real_definition);
+} reals SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(max_entries, MAX_VIPS);
+ __type(key, __u32);
+ __type(value, struct vip_stats);
+} stats SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, CTL_MAP_SIZE);
+ __type(key, __u32);
+ __type(value, struct ctl_value);
+} ctl_array SEC(".maps");
static __always_inline __u32 get_packet_hash(struct packet_description *pckt,
bool ipv6)
diff --git a/tools/testing/selftests/bpf/test_l4lb_noinline.c b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c
index ba44a14e6dc4..2e4efe70b1e5 100644
--- a/tools/testing/selftests/bpf/test_l4lb_noinline.c
+++ b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c
@@ -165,40 +165,40 @@ struct eth_hdr {
unsigned short eth_proto;
};
-struct bpf_map_def SEC("maps") vip_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(struct vip),
- .value_size = sizeof(struct vip_meta),
- .max_entries = MAX_VIPS,
-};
-
-struct bpf_map_def SEC("maps") ch_rings = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = CH_RINGS_SIZE,
-};
-
-struct bpf_map_def SEC("maps") reals = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct real_definition),
- .max_entries = MAX_REALS,
-};
-
-struct bpf_map_def SEC("maps") stats = {
- .type = BPF_MAP_TYPE_PERCPU_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct vip_stats),
- .max_entries = MAX_VIPS,
-};
-
-struct bpf_map_def SEC("maps") ctl_array = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct ctl_value),
- .max_entries = CTL_MAP_SIZE,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, MAX_VIPS);
+ __type(key, struct vip);
+ __type(value, struct vip_meta);
+} vip_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, CH_RINGS_SIZE);
+ __type(key, __u32);
+ __type(value, __u32);
+} ch_rings SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, MAX_REALS);
+ __type(key, __u32);
+ __type(value, struct real_definition);
+} reals SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(max_entries, MAX_VIPS);
+ __type(key, __u32);
+ __type(value, struct vip_stats);
+} stats SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, CTL_MAP_SIZE);
+ __type(key, __u32);
+ __type(value, struct ctl_value);
+} ctl_array SEC(".maps");
static __u32 get_packet_hash(struct packet_description *pckt,
bool ipv6)
diff --git a/tools/testing/selftests/bpf/test_lirc_mode2_kern.c b/tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c
index 4147130cc3b7..4147130cc3b7 100644
--- a/tools/testing/selftests/bpf/test_lirc_mode2_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c
diff --git a/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c b/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c
new file mode 100644
index 000000000000..c957d6dfe6d7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include "bpf_helpers.h"
+#include "bpf_endian.h"
+
+struct grehdr {
+ __be16 flags;
+ __be16 protocol;
+};
+
+SEC("encap_gre")
+int bpf_lwt_encap_gre(struct __sk_buff *skb)
+{
+ struct encap_hdr {
+ struct iphdr iph;
+ struct grehdr greh;
+ } hdr;
+ int err;
+
+ memset(&hdr, 0, sizeof(struct encap_hdr));
+
+ hdr.iph.ihl = 5;
+ hdr.iph.version = 4;
+ hdr.iph.ttl = 0x40;
+ hdr.iph.protocol = 47; /* IPPROTO_GRE */
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+ hdr.iph.saddr = 0x640110ac; /* 172.16.1.100 */
+ hdr.iph.daddr = 0x641010ac; /* 172.16.16.100 */
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+ hdr.iph.saddr = 0xac100164; /* 172.16.1.100 */
+ hdr.iph.daddr = 0xac101064; /* 172.16.16.100 */
+#else
+#error "Fix your compiler's __BYTE_ORDER__?!"
+#endif
+ hdr.iph.tot_len = bpf_htons(skb->len + sizeof(struct encap_hdr));
+
+ hdr.greh.protocol = skb->protocol;
+
+ err = bpf_lwt_push_encap(skb, BPF_LWT_ENCAP_IP, &hdr,
+ sizeof(struct encap_hdr));
+ if (err)
+ return BPF_DROP;
+
+ return BPF_LWT_REROUTE;
+}
+
+SEC("encap_gre6")
+int bpf_lwt_encap_gre6(struct __sk_buff *skb)
+{
+ struct encap_hdr {
+ struct ipv6hdr ip6hdr;
+ struct grehdr greh;
+ } hdr;
+ int err;
+
+ memset(&hdr, 0, sizeof(struct encap_hdr));
+
+ hdr.ip6hdr.version = 6;
+ hdr.ip6hdr.payload_len = bpf_htons(skb->len + sizeof(struct grehdr));
+ hdr.ip6hdr.nexthdr = 47; /* IPPROTO_GRE */
+ hdr.ip6hdr.hop_limit = 0x40;
+ /* fb01::1 */
+ hdr.ip6hdr.saddr.s6_addr[0] = 0xfb;
+ hdr.ip6hdr.saddr.s6_addr[1] = 1;
+ hdr.ip6hdr.saddr.s6_addr[15] = 1;
+ /* fb10::1 */
+ hdr.ip6hdr.daddr.s6_addr[0] = 0xfb;
+ hdr.ip6hdr.daddr.s6_addr[1] = 0x10;
+ hdr.ip6hdr.daddr.s6_addr[15] = 1;
+
+ hdr.greh.protocol = skb->protocol;
+
+ err = bpf_lwt_push_encap(skb, BPF_LWT_ENCAP_IP, &hdr,
+ sizeof(struct encap_hdr));
+ if (err)
+ return BPF_DROP;
+
+ return BPF_LWT_REROUTE;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_lwt_seg6local.c b/tools/testing/selftests/bpf/progs/test_lwt_seg6local.c
index 0575751bc1bc..a334a0e882e4 100644
--- a/tools/testing/selftests/bpf/test_lwt_seg6local.c
+++ b/tools/testing/selftests/bpf/progs/test_lwt_seg6local.c
@@ -6,13 +6,6 @@
#include "bpf_helpers.h"
#include "bpf_endian.h"
-#define bpf_printk(fmt, ...) \
-({ \
- char ____fmt[] = fmt; \
- bpf_trace_printk(____fmt, sizeof(____fmt), \
- ##__VA_ARGS__); \
-})
-
/* Packet parsing state machine helpers. */
#define cursor_advance(_cursor, _len) \
({ void *_tmp = _cursor; _cursor += _len; _tmp; })
@@ -61,7 +54,7 @@ struct sr6_tlv_t {
unsigned char value[0];
} BPF_PACKET_HEADER;
-__attribute__((always_inline)) struct ip6_srh_t *get_srh(struct __sk_buff *skb)
+static __always_inline struct ip6_srh_t *get_srh(struct __sk_buff *skb)
{
void *cursor, *data_end;
struct ip6_srh_t *srh;
@@ -95,7 +88,7 @@ __attribute__((always_inline)) struct ip6_srh_t *get_srh(struct __sk_buff *skb)
return srh;
}
-__attribute__((always_inline))
+static __always_inline
int update_tlv_pad(struct __sk_buff *skb, uint32_t new_pad,
uint32_t old_pad, uint32_t pad_off)
{
@@ -125,7 +118,7 @@ int update_tlv_pad(struct __sk_buff *skb, uint32_t new_pad,
return 0;
}
-__attribute__((always_inline))
+static __always_inline
int is_valid_tlv_boundary(struct __sk_buff *skb, struct ip6_srh_t *srh,
uint32_t *tlv_off, uint32_t *pad_size,
uint32_t *pad_off)
@@ -184,7 +177,7 @@ int is_valid_tlv_boundary(struct __sk_buff *skb, struct ip6_srh_t *srh,
return 0;
}
-__attribute__((always_inline))
+static __always_inline
int add_tlv(struct __sk_buff *skb, struct ip6_srh_t *srh, uint32_t tlv_off,
struct sr6_tlv_t *itlv, uint8_t tlv_size)
{
@@ -228,7 +221,7 @@ int add_tlv(struct __sk_buff *skb, struct ip6_srh_t *srh, uint32_t tlv_off,
return update_tlv_pad(skb, new_pad, pad_size, pad_off);
}
-__attribute__((always_inline))
+static __always_inline
int delete_tlv(struct __sk_buff *skb, struct ip6_srh_t *srh,
uint32_t tlv_off)
{
@@ -266,7 +259,7 @@ int delete_tlv(struct __sk_buff *skb, struct ip6_srh_t *srh,
return update_tlv_pad(skb, new_pad, pad_size, pad_off);
}
-__attribute__((always_inline))
+static __always_inline
int has_egr_tlv(struct __sk_buff *skb, struct ip6_srh_t *srh)
{
int tlv_offset = sizeof(struct ip6_t) + sizeof(struct ip6_srh_t) +
diff --git a/tools/testing/selftests/bpf/test_map_in_map.c b/tools/testing/selftests/bpf/progs/test_map_in_map.c
index ce923e67e08e..113226115365 100644
--- a/tools/testing/selftests/bpf/test_map_in_map.c
+++ b/tools/testing/selftests/bpf/progs/test_map_in_map.c
@@ -5,28 +5,29 @@
#include <linux/types.h>
#include "bpf_helpers.h"
-struct bpf_map_def SEC("maps") mim_array = {
- .type = BPF_MAP_TYPE_ARRAY_OF_MAPS,
- .key_size = sizeof(int),
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+ __uint(max_entries, 1);
+ __uint(map_flags, 0);
+ __uint(key_size, sizeof(__u32));
/* must be sizeof(__u32) for map in map */
- .value_size = sizeof(__u32),
- .max_entries = 1,
- .map_flags = 0,
-};
-
-struct bpf_map_def SEC("maps") mim_hash = {
- .type = BPF_MAP_TYPE_HASH_OF_MAPS,
- .key_size = sizeof(int),
+ __uint(value_size, sizeof(__u32));
+} mim_array SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
+ __uint(max_entries, 1);
+ __uint(map_flags, 0);
+ __uint(key_size, sizeof(int));
/* must be sizeof(__u32) for map in map */
- .value_size = sizeof(__u32),
- .max_entries = 1,
- .map_flags = 0,
-};
+ __uint(value_size, sizeof(__u32));
+} mim_hash SEC(".maps");
SEC("xdp_mimtest")
int xdp_mimtest0(struct xdp_md *ctx)
{
int value = 123;
+ int *value_p;
int key = 0;
void *map;
@@ -35,6 +36,9 @@ int xdp_mimtest0(struct xdp_md *ctx)
return XDP_DROP;
bpf_map_update_elem(map, &key, &value, 0);
+ value_p = bpf_map_lookup_elem(map, &key);
+ if (!value_p || *value_p != 123)
+ return XDP_DROP;
map = bpf_map_lookup_elem(&mim_hash, &key);
if (!map)
diff --git a/tools/testing/selftests/bpf/progs/test_map_lock.c b/tools/testing/selftests/bpf/progs/test_map_lock.c
new file mode 100644
index 000000000000..bb7ce35f691b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_map_lock.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <linux/version.h>
+#include "bpf_helpers.h"
+
+#define VAR_NUM 16
+
+struct hmap_elem {
+ struct bpf_spin_lock lock;
+ int var[VAR_NUM];
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, struct hmap_elem);
+} hash_map SEC(".maps");
+
+struct array_elem {
+ struct bpf_spin_lock lock;
+ int var[VAR_NUM];
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, struct array_elem);
+} array_map SEC(".maps");
+
+SEC("map_lock_demo")
+int bpf_map_lock_test(struct __sk_buff *skb)
+{
+ struct hmap_elem zero = {}, *val;
+ int rnd = bpf_get_prandom_u32();
+ int key = 0, err = 1, i;
+ struct array_elem *q;
+
+ val = bpf_map_lookup_elem(&hash_map, &key);
+ if (!val)
+ goto err;
+ /* spin_lock in hash map */
+ bpf_spin_lock(&val->lock);
+ for (i = 0; i < VAR_NUM; i++)
+ val->var[i] = rnd;
+ bpf_spin_unlock(&val->lock);
+
+ /* spin_lock in array */
+ q = bpf_map_lookup_elem(&array_map, &key);
+ if (!q)
+ goto err;
+ bpf_spin_lock(&q->lock);
+ for (i = 0; i < VAR_NUM; i++)
+ q->var[i] = rnd;
+ bpf_spin_unlock(&q->lock);
+ err = 0;
+err:
+ return err;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_obj_id.c b/tools/testing/selftests/bpf/progs/test_obj_id.c
index 880d2963b472..3d30c02bdae9 100644
--- a/tools/testing/selftests/bpf/test_obj_id.c
+++ b/tools/testing/selftests/bpf/progs/test_obj_id.c
@@ -1,8 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2017 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
*/
#include <stddef.h>
#include <linux/bpf.h>
@@ -16,12 +13,12 @@
int _version SEC("version") = 1;
-struct bpf_map_def SEC("maps") test_map_id = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u64),
- .max_entries = 1,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, __u64);
+} test_map_id SEC(".maps");
SEC("test_obj_id_dummy")
int test_obj_id(struct __sk_buff *skb)
diff --git a/tools/testing/selftests/bpf/progs/test_perf_buffer.c b/tools/testing/selftests/bpf/progs/test_perf_buffer.c
new file mode 100644
index 000000000000..876c27deb65a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_perf_buffer.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/ptrace.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} perf_buf_map SEC(".maps");
+
+SEC("kprobe/sys_nanosleep")
+int handle_sys_nanosleep_entry(struct pt_regs *ctx)
+{
+ int cpu = bpf_get_smp_processor_id();
+
+ bpf_perf_event_output(ctx, &perf_buf_map, BPF_F_CURRENT_CPU,
+ &cpu, sizeof(cpu));
+ return 0;
+}
+
+char _license[] SEC("license") = "GPL";
+__u32 _version SEC("version") = 1;
diff --git a/tools/testing/selftests/bpf/test_pkt_access.c b/tools/testing/selftests/bpf/progs/test_pkt_access.c
index 6e11ba11709e..7cf42d14103f 100644
--- a/tools/testing/selftests/bpf/test_pkt_access.c
+++ b/tools/testing/selftests/bpf/progs/test_pkt_access.c
@@ -1,8 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2017 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
*/
#include <stddef.h>
#include <string.h>
diff --git a/tools/testing/selftests/bpf/test_pkt_md_access.c b/tools/testing/selftests/bpf/progs/test_pkt_md_access.c
index 7956302ecdf2..3d039e18bf82 100644
--- a/tools/testing/selftests/bpf/test_pkt_md_access.c
+++ b/tools/testing/selftests/bpf/progs/test_pkt_md_access.c
@@ -1,8 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2017 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
*/
#include <stddef.h>
#include <string.h>
diff --git a/tools/testing/selftests/bpf/test_queue_map.c b/tools/testing/selftests/bpf/progs/test_queue_map.c
index 87db1f9da33d..87db1f9da33d 100644
--- a/tools/testing/selftests/bpf/test_queue_map.c
+++ b/tools/testing/selftests/bpf/progs/test_queue_map.c
diff --git a/tools/testing/selftests/bpf/progs/test_seg6_loop.c b/tools/testing/selftests/bpf/progs/test_seg6_loop.c
new file mode 100644
index 000000000000..1dbe1d4d467e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_seg6_loop.c
@@ -0,0 +1,262 @@
+#include <stddef.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <linux/seg6_local.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+#include "bpf_endian.h"
+
+/* Packet parsing state machine helpers. */
+#define cursor_advance(_cursor, _len) \
+ ({ void *_tmp = _cursor; _cursor += _len; _tmp; })
+
+#define SR6_FLAG_ALERT (1 << 4)
+
+#define htonll(x) ((bpf_htonl(1)) == 1 ? (x) : ((uint64_t)bpf_htonl((x) & \
+ 0xFFFFFFFF) << 32) | bpf_htonl((x) >> 32))
+#define ntohll(x) ((bpf_ntohl(1)) == 1 ? (x) : ((uint64_t)bpf_ntohl((x) & \
+ 0xFFFFFFFF) << 32) | bpf_ntohl((x) >> 32))
+#define BPF_PACKET_HEADER __attribute__((packed))
+
+struct ip6_t {
+ unsigned int ver:4;
+ unsigned int priority:8;
+ unsigned int flow_label:20;
+ unsigned short payload_len;
+ unsigned char next_header;
+ unsigned char hop_limit;
+ unsigned long long src_hi;
+ unsigned long long src_lo;
+ unsigned long long dst_hi;
+ unsigned long long dst_lo;
+} BPF_PACKET_HEADER;
+
+struct ip6_addr_t {
+ unsigned long long hi;
+ unsigned long long lo;
+} BPF_PACKET_HEADER;
+
+struct ip6_srh_t {
+ unsigned char nexthdr;
+ unsigned char hdrlen;
+ unsigned char type;
+ unsigned char segments_left;
+ unsigned char first_segment;
+ unsigned char flags;
+ unsigned short tag;
+
+ struct ip6_addr_t segments[0];
+} BPF_PACKET_HEADER;
+
+struct sr6_tlv_t {
+ unsigned char type;
+ unsigned char len;
+ unsigned char value[0];
+} BPF_PACKET_HEADER;
+
+static __always_inline struct ip6_srh_t *get_srh(struct __sk_buff *skb)
+{
+ void *cursor, *data_end;
+ struct ip6_srh_t *srh;
+ struct ip6_t *ip;
+ uint8_t *ipver;
+
+ data_end = (void *)(long)skb->data_end;
+ cursor = (void *)(long)skb->data;
+ ipver = (uint8_t *)cursor;
+
+ if ((void *)ipver + sizeof(*ipver) > data_end)
+ return NULL;
+
+ if ((*ipver >> 4) != 6)
+ return NULL;
+
+ ip = cursor_advance(cursor, sizeof(*ip));
+ if ((void *)ip + sizeof(*ip) > data_end)
+ return NULL;
+
+ if (ip->next_header != 43)
+ return NULL;
+
+ srh = cursor_advance(cursor, sizeof(*srh));
+ if ((void *)srh + sizeof(*srh) > data_end)
+ return NULL;
+
+ if (srh->type != 4)
+ return NULL;
+
+ return srh;
+}
+
+static __always_inline int update_tlv_pad(struct __sk_buff *skb,
+ uint32_t new_pad, uint32_t old_pad,
+ uint32_t pad_off)
+{
+ int err;
+
+ if (new_pad != old_pad) {
+ err = bpf_lwt_seg6_adjust_srh(skb, pad_off,
+ (int) new_pad - (int) old_pad);
+ if (err)
+ return err;
+ }
+
+ if (new_pad > 0) {
+ char pad_tlv_buf[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0};
+ struct sr6_tlv_t *pad_tlv = (struct sr6_tlv_t *) pad_tlv_buf;
+
+ pad_tlv->type = SR6_TLV_PADDING;
+ pad_tlv->len = new_pad - 2;
+
+ err = bpf_lwt_seg6_store_bytes(skb, pad_off,
+ (void *)pad_tlv_buf, new_pad);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static __always_inline int is_valid_tlv_boundary(struct __sk_buff *skb,
+ struct ip6_srh_t *srh,
+ uint32_t *tlv_off,
+ uint32_t *pad_size,
+ uint32_t *pad_off)
+{
+ uint32_t srh_off, cur_off;
+ int offset_valid = 0;
+ int err;
+
+ srh_off = (char *)srh - (char *)(long)skb->data;
+ // cur_off = end of segments, start of possible TLVs
+ cur_off = srh_off + sizeof(*srh) +
+ sizeof(struct ip6_addr_t) * (srh->first_segment + 1);
+
+ *pad_off = 0;
+
+ // we can only go as far as ~10 TLVs due to the BPF max stack size
+ #pragma clang loop unroll(disable)
+ for (int i = 0; i < 100; i++) {
+ struct sr6_tlv_t tlv;
+
+ if (cur_off == *tlv_off)
+ offset_valid = 1;
+
+ if (cur_off >= srh_off + ((srh->hdrlen + 1) << 3))
+ break;
+
+ err = bpf_skb_load_bytes(skb, cur_off, &tlv, sizeof(tlv));
+ if (err)
+ return err;
+
+ if (tlv.type == SR6_TLV_PADDING) {
+ *pad_size = tlv.len + sizeof(tlv);
+ *pad_off = cur_off;
+
+ if (*tlv_off == srh_off) {
+ *tlv_off = cur_off;
+ offset_valid = 1;
+ }
+ break;
+
+ } else if (tlv.type == SR6_TLV_HMAC) {
+ break;
+ }
+
+ cur_off += sizeof(tlv) + tlv.len;
+ } // we reached the padding or HMAC TLVs, or the end of the SRH
+
+ if (*pad_off == 0)
+ *pad_off = cur_off;
+
+ if (*tlv_off == -1)
+ *tlv_off = cur_off;
+ else if (!offset_valid)
+ return -EINVAL;
+
+ return 0;
+}
+
+static __always_inline int add_tlv(struct __sk_buff *skb,
+ struct ip6_srh_t *srh, uint32_t tlv_off,
+ struct sr6_tlv_t *itlv, uint8_t tlv_size)
+{
+ uint32_t srh_off = (char *)srh - (char *)(long)skb->data;
+ uint8_t len_remaining, new_pad;
+ uint32_t pad_off = 0;
+ uint32_t pad_size = 0;
+ uint32_t partial_srh_len;
+ int err;
+
+ if (tlv_off != -1)
+ tlv_off += srh_off;
+
+ if (itlv->type == SR6_TLV_PADDING || itlv->type == SR6_TLV_HMAC)
+ return -EINVAL;
+
+ err = is_valid_tlv_boundary(skb, srh, &tlv_off, &pad_size, &pad_off);
+ if (err)
+ return err;
+
+ err = bpf_lwt_seg6_adjust_srh(skb, tlv_off, sizeof(*itlv) + itlv->len);
+ if (err)
+ return err;
+
+ err = bpf_lwt_seg6_store_bytes(skb, tlv_off, (void *)itlv, tlv_size);
+ if (err)
+ return err;
+
+ // the following can't be moved inside update_tlv_pad because the
+ // bpf verifier has some issues with it
+ pad_off += sizeof(*itlv) + itlv->len;
+ partial_srh_len = pad_off - srh_off;
+ len_remaining = partial_srh_len % 8;
+ new_pad = 8 - len_remaining;
+
+ if (new_pad == 1) // cannot pad for 1 byte only
+ new_pad = 9;
+ else if (new_pad == 8)
+ new_pad = 0;
+
+ return update_tlv_pad(skb, new_pad, pad_size, pad_off);
+}
+
+// Add an Egress TLV fc00::4, add the flag A,
+// and apply End.X action to fc42::1
+SEC("lwt_seg6local")
+int __add_egr_x(struct __sk_buff *skb)
+{
+ unsigned long long hi = 0xfc42000000000000;
+ unsigned long long lo = 0x1;
+ struct ip6_srh_t *srh = get_srh(skb);
+ uint8_t new_flags = SR6_FLAG_ALERT;
+ struct ip6_addr_t addr;
+ int err, offset;
+
+ if (srh == NULL)
+ return BPF_DROP;
+
+ uint8_t tlv[20] = {2, 18, 0, 0, 0xfd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4};
+
+ err = add_tlv(skb, srh, (srh->hdrlen+1) << 3,
+ (struct sr6_tlv_t *)&tlv, 20);
+ if (err)
+ return BPF_DROP;
+
+ offset = sizeof(struct ip6_t) + offsetof(struct ip6_srh_t, flags);
+ err = bpf_lwt_seg6_store_bytes(skb, offset,
+ (void *)&new_flags, sizeof(new_flags));
+ if (err)
+ return BPF_DROP;
+
+ addr.lo = htonll(lo);
+ addr.hi = htonll(hi);
+ err = bpf_lwt_seg6_action(skb, SEG6_LOCAL_ACTION_END_X,
+ (void *)&addr, sizeof(addr));
+ if (err)
+ return BPF_DROP;
+ return BPF_REDIRECT;
+}
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_select_reuseport_kern.c b/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c
index 5b54ec637ada..ea7d84f01235 100644
--- a/tools/testing/selftests/bpf/test_select_reuseport_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c
@@ -21,40 +21,40 @@ int _version SEC("version") = 1;
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
-struct bpf_map_def SEC("maps") outer_map = {
- .type = BPF_MAP_TYPE_ARRAY_OF_MAPS,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = 1,
-};
-
-struct bpf_map_def SEC("maps") result_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = NR_RESULTS,
-};
-
-struct bpf_map_def SEC("maps") tmp_index_ovr_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(int),
- .max_entries = 1,
-};
-
-struct bpf_map_def SEC("maps") linum_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = 1,
-};
-
-struct bpf_map_def SEC("maps") data_check_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct data_check),
- .max_entries = 1,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+ __uint(max_entries, 1);
+ __uint(key_size, sizeof(__u32));
+ __uint(value_size, sizeof(__u32));
+} outer_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, NR_RESULTS);
+ __type(key, __u32);
+ __type(value, __u32);
+} result_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, int);
+} tmp_index_ovr_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, __u32);
+} linum_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, struct data_check);
+} data_check_map SEC(".maps");
#define GOTO_DONE(_result) ({ \
result = (_result); \
diff --git a/tools/testing/selftests/bpf/progs/test_send_signal_kern.c b/tools/testing/selftests/bpf/progs/test_send_signal_kern.c
new file mode 100644
index 000000000000..0e6be01157e6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_send_signal_kern.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <linux/version.h>
+#include "bpf_helpers.h"
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, __u64);
+} info_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, __u64);
+} status_map SEC(".maps");
+
+SEC("send_signal_demo")
+int bpf_send_signal_test(void *ctx)
+{
+ __u64 *info_val, *status_val;
+ __u32 key = 0, pid, sig;
+ int ret;
+
+ status_val = bpf_map_lookup_elem(&status_map, &key);
+ if (!status_val || *status_val != 0)
+ return 0;
+
+ info_val = bpf_map_lookup_elem(&info_map, &key);
+ if (!info_val || *info_val == 0)
+ return 0;
+
+ sig = *info_val >> 32;
+ pid = *info_val & 0xffffFFFF;
+
+ if ((bpf_get_current_pid_tgid() >> 32) == pid) {
+ ret = bpf_send_signal(sig);
+ if (ret == 0)
+ *status_val = 1;
+ }
+
+ return 0;
+}
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_sk_lookup_kern.c b/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
index e21cd736c196..e21cd736c196 100644
--- a/tools/testing/selftests/bpf/test_sk_lookup_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
diff --git a/tools/testing/selftests/bpf/test_skb_cgroup_id_kern.c b/tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c
index 68cf9829f5a7..68cf9829f5a7 100644
--- a/tools/testing/selftests/bpf/test_skb_cgroup_id_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c
diff --git a/tools/testing/selftests/bpf/progs/test_skb_ctx.c b/tools/testing/selftests/bpf/progs/test_skb_ctx.c
new file mode 100644
index 000000000000..7a80960d7df1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skb_ctx.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+int _version SEC("version") = 1;
+char _license[] SEC("license") = "GPL";
+
+SEC("skb_ctx")
+int process(struct __sk_buff *skb)
+{
+ #pragma clang loop unroll(full)
+ for (int i = 0; i < 5; i++) {
+ if (skb->cb[i] != i + 1)
+ return 1;
+ skb->cb[i]++;
+ }
+ skb->priority++;
+
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c b/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c
new file mode 100644
index 000000000000..a47b003623ef
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sock_fields_kern.c
@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <linux/bpf.h>
+#include <netinet/in.h>
+#include <stdbool.h>
+
+#include "bpf_helpers.h"
+#include "bpf_endian.h"
+
+enum bpf_addr_array_idx {
+ ADDR_SRV_IDX,
+ ADDR_CLI_IDX,
+ __NR_BPF_ADDR_ARRAY_IDX,
+};
+
+enum bpf_result_array_idx {
+ EGRESS_SRV_IDX,
+ EGRESS_CLI_IDX,
+ INGRESS_LISTEN_IDX,
+ __NR_BPF_RESULT_ARRAY_IDX,
+};
+
+enum bpf_linum_array_idx {
+ EGRESS_LINUM_IDX,
+ INGRESS_LINUM_IDX,
+ __NR_BPF_LINUM_ARRAY_IDX,
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, __NR_BPF_ADDR_ARRAY_IDX);
+ __type(key, __u32);
+ __type(value, struct sockaddr_in6);
+} addr_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, __NR_BPF_RESULT_ARRAY_IDX);
+ __type(key, __u32);
+ __type(value, struct bpf_sock);
+} sock_result_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, __NR_BPF_RESULT_ARRAY_IDX);
+ __type(key, __u32);
+ __type(value, struct bpf_tcp_sock);
+} tcp_sock_result_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, __NR_BPF_LINUM_ARRAY_IDX);
+ __type(key, __u32);
+ __type(value, __u32);
+} linum_map SEC(".maps");
+
+struct bpf_spinlock_cnt {
+ struct bpf_spin_lock lock;
+ __u32 cnt;
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SK_STORAGE);
+ __uint(map_flags, BPF_F_NO_PREALLOC);
+ __type(key, int);
+ __type(value, struct bpf_spinlock_cnt);
+} sk_pkt_out_cnt SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SK_STORAGE);
+ __uint(map_flags, BPF_F_NO_PREALLOC);
+ __type(key, int);
+ __type(value, struct bpf_spinlock_cnt);
+} sk_pkt_out_cnt10 SEC(".maps");
+
+static bool is_loopback6(__u32 *a6)
+{
+ return !a6[0] && !a6[1] && !a6[2] && a6[3] == bpf_htonl(1);
+}
+
+static void skcpy(struct bpf_sock *dst,
+ const struct bpf_sock *src)
+{
+ dst->bound_dev_if = src->bound_dev_if;
+ dst->family = src->family;
+ dst->type = src->type;
+ dst->protocol = src->protocol;
+ dst->mark = src->mark;
+ dst->priority = src->priority;
+ dst->src_ip4 = src->src_ip4;
+ dst->src_ip6[0] = src->src_ip6[0];
+ dst->src_ip6[1] = src->src_ip6[1];
+ dst->src_ip6[2] = src->src_ip6[2];
+ dst->src_ip6[3] = src->src_ip6[3];
+ dst->src_port = src->src_port;
+ dst->dst_ip4 = src->dst_ip4;
+ dst->dst_ip6[0] = src->dst_ip6[0];
+ dst->dst_ip6[1] = src->dst_ip6[1];
+ dst->dst_ip6[2] = src->dst_ip6[2];
+ dst->dst_ip6[3] = src->dst_ip6[3];
+ dst->dst_port = src->dst_port;
+ dst->state = src->state;
+}
+
+static void tpcpy(struct bpf_tcp_sock *dst,
+ const struct bpf_tcp_sock *src)
+{
+ dst->snd_cwnd = src->snd_cwnd;
+ dst->srtt_us = src->srtt_us;
+ dst->rtt_min = src->rtt_min;
+ dst->snd_ssthresh = src->snd_ssthresh;
+ dst->rcv_nxt = src->rcv_nxt;
+ dst->snd_nxt = src->snd_nxt;
+ dst->snd_una = src->snd_una;
+ dst->mss_cache = src->mss_cache;
+ dst->ecn_flags = src->ecn_flags;
+ dst->rate_delivered = src->rate_delivered;
+ dst->rate_interval_us = src->rate_interval_us;
+ dst->packets_out = src->packets_out;
+ dst->retrans_out = src->retrans_out;
+ dst->total_retrans = src->total_retrans;
+ dst->segs_in = src->segs_in;
+ dst->data_segs_in = src->data_segs_in;
+ dst->segs_out = src->segs_out;
+ dst->data_segs_out = src->data_segs_out;
+ dst->lost_out = src->lost_out;
+ dst->sacked_out = src->sacked_out;
+ dst->bytes_received = src->bytes_received;
+ dst->bytes_acked = src->bytes_acked;
+}
+
+#define RETURN { \
+ linum = __LINE__; \
+ bpf_map_update_elem(&linum_map, &linum_idx, &linum, 0); \
+ return 1; \
+}
+
+SEC("cgroup_skb/egress")
+int egress_read_sock_fields(struct __sk_buff *skb)
+{
+ struct bpf_spinlock_cnt cli_cnt_init = { .lock = 0, .cnt = 0xeB9F };
+ __u32 srv_idx = ADDR_SRV_IDX, cli_idx = ADDR_CLI_IDX, result_idx;
+ struct bpf_spinlock_cnt *pkt_out_cnt, *pkt_out_cnt10;
+ struct sockaddr_in6 *srv_sa6, *cli_sa6;
+ struct bpf_tcp_sock *tp, *tp_ret;
+ struct bpf_sock *sk, *sk_ret;
+ __u32 linum, linum_idx;
+
+ linum_idx = EGRESS_LINUM_IDX;
+
+ sk = skb->sk;
+ if (!sk || sk->state == 10)
+ RETURN;
+
+ sk = bpf_sk_fullsock(sk);
+ if (!sk || sk->family != AF_INET6 || sk->protocol != IPPROTO_TCP ||
+ !is_loopback6(sk->src_ip6))
+ RETURN;
+
+ tp = bpf_tcp_sock(sk);
+ if (!tp)
+ RETURN;
+
+ srv_sa6 = bpf_map_lookup_elem(&addr_map, &srv_idx);
+ cli_sa6 = bpf_map_lookup_elem(&addr_map, &cli_idx);
+ if (!srv_sa6 || !cli_sa6)
+ RETURN;
+
+ if (sk->src_port == bpf_ntohs(srv_sa6->sin6_port))
+ result_idx = EGRESS_SRV_IDX;
+ else if (sk->src_port == bpf_ntohs(cli_sa6->sin6_port))
+ result_idx = EGRESS_CLI_IDX;
+ else
+ RETURN;
+
+ sk_ret = bpf_map_lookup_elem(&sock_result_map, &result_idx);
+ tp_ret = bpf_map_lookup_elem(&tcp_sock_result_map, &result_idx);
+ if (!sk_ret || !tp_ret)
+ RETURN;
+
+ skcpy(sk_ret, sk);
+ tpcpy(tp_ret, tp);
+
+ if (result_idx == EGRESS_SRV_IDX) {
+ /* The userspace has created it for srv sk */
+ pkt_out_cnt = bpf_sk_storage_get(&sk_pkt_out_cnt, sk, 0, 0);
+ pkt_out_cnt10 = bpf_sk_storage_get(&sk_pkt_out_cnt10, sk,
+ 0, 0);
+ } else {
+ pkt_out_cnt = bpf_sk_storage_get(&sk_pkt_out_cnt, sk,
+ &cli_cnt_init,
+ BPF_SK_STORAGE_GET_F_CREATE);
+ pkt_out_cnt10 = bpf_sk_storage_get(&sk_pkt_out_cnt10,
+ sk, &cli_cnt_init,
+ BPF_SK_STORAGE_GET_F_CREATE);
+ }
+
+ if (!pkt_out_cnt || !pkt_out_cnt10)
+ RETURN;
+
+ /* Even both cnt and cnt10 have lock defined in their BTF,
+ * intentionally one cnt takes lock while one does not
+ * as a test for the spinlock support in BPF_MAP_TYPE_SK_STORAGE.
+ */
+ pkt_out_cnt->cnt += 1;
+ bpf_spin_lock(&pkt_out_cnt10->lock);
+ pkt_out_cnt10->cnt += 10;
+ bpf_spin_unlock(&pkt_out_cnt10->lock);
+
+ RETURN;
+}
+
+SEC("cgroup_skb/ingress")
+int ingress_read_sock_fields(struct __sk_buff *skb)
+{
+ __u32 srv_idx = ADDR_SRV_IDX, result_idx = INGRESS_LISTEN_IDX;
+ struct bpf_tcp_sock *tp, *tp_ret;
+ struct bpf_sock *sk, *sk_ret;
+ struct sockaddr_in6 *srv_sa6;
+ __u32 linum, linum_idx;
+
+ linum_idx = INGRESS_LINUM_IDX;
+
+ sk = skb->sk;
+ if (!sk || sk->family != AF_INET6 || !is_loopback6(sk->src_ip6))
+ RETURN;
+
+ srv_sa6 = bpf_map_lookup_elem(&addr_map, &srv_idx);
+ if (!srv_sa6 || sk->src_port != bpf_ntohs(srv_sa6->sin6_port))
+ RETURN;
+
+ if (sk->state != 10 && sk->state != 12)
+ RETURN;
+
+ sk = bpf_get_listener_sock(sk);
+ if (!sk)
+ RETURN;
+
+ tp = bpf_tcp_sock(sk);
+ if (!tp)
+ RETURN;
+
+ sk_ret = bpf_map_lookup_elem(&sock_result_map, &result_idx);
+ tp_ret = bpf_map_lookup_elem(&tcp_sock_result_map, &result_idx);
+ if (!sk_ret || !tp_ret)
+ RETURN;
+
+ skcpy(sk_ret, sk);
+ tpcpy(tp_ret, tp);
+
+ RETURN;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_sockhash_kern.c b/tools/testing/selftests/bpf/progs/test_sockhash_kern.c
index e6755916442a..e6755916442a 100644
--- a/tools/testing/selftests/bpf/test_sockhash_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_sockhash_kern.c
diff --git a/tools/testing/selftests/bpf/test_sockmap_kern.c b/tools/testing/selftests/bpf/progs/test_sockmap_kern.c
index 677b2ed1cc1e..677b2ed1cc1e 100644
--- a/tools/testing/selftests/bpf/test_sockmap_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_kern.c
diff --git a/tools/testing/selftests/bpf/progs/test_spin_lock.c b/tools/testing/selftests/bpf/progs/test_spin_lock.c
new file mode 100644
index 000000000000..a43b999c8da2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_spin_lock.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <linux/version.h>
+#include "bpf_helpers.h"
+
+struct hmap_elem {
+ volatile int cnt;
+ struct bpf_spin_lock lock;
+ int test_padding;
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, struct hmap_elem);
+} hmap SEC(".maps");
+
+struct cls_elem {
+ struct bpf_spin_lock lock;
+ volatile int cnt;
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
+ __type(key, struct bpf_cgroup_storage_key);
+ __type(value, struct cls_elem);
+} cls_map SEC(".maps");
+
+struct bpf_vqueue {
+ struct bpf_spin_lock lock;
+ /* 4 byte hole */
+ unsigned long long lasttime;
+ int credit;
+ unsigned int rate;
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, struct bpf_vqueue);
+} vqueue SEC(".maps");
+
+#define CREDIT_PER_NS(delta, rate) (((delta) * rate) >> 20)
+
+SEC("spin_lock_demo")
+int bpf_sping_lock_test(struct __sk_buff *skb)
+{
+ volatile int credit = 0, max_credit = 100, pkt_len = 64;
+ struct hmap_elem zero = {}, *val;
+ unsigned long long curtime;
+ struct bpf_vqueue *q;
+ struct cls_elem *cls;
+ int key = 0;
+ int err = 0;
+
+ val = bpf_map_lookup_elem(&hmap, &key);
+ if (!val) {
+ bpf_map_update_elem(&hmap, &key, &zero, 0);
+ val = bpf_map_lookup_elem(&hmap, &key);
+ if (!val) {
+ err = 1;
+ goto err;
+ }
+ }
+ /* spin_lock in hash map run time test */
+ bpf_spin_lock(&val->lock);
+ if (val->cnt)
+ val->cnt--;
+ else
+ val->cnt++;
+ if (val->cnt != 0 && val->cnt != 1)
+ err = 1;
+ bpf_spin_unlock(&val->lock);
+
+ /* spin_lock in array. virtual queue demo */
+ q = bpf_map_lookup_elem(&vqueue, &key);
+ if (!q)
+ goto err;
+ curtime = bpf_ktime_get_ns();
+ bpf_spin_lock(&q->lock);
+ q->credit += CREDIT_PER_NS(curtime - q->lasttime, q->rate);
+ q->lasttime = curtime;
+ if (q->credit > max_credit)
+ q->credit = max_credit;
+ q->credit -= pkt_len;
+ credit = q->credit;
+ bpf_spin_unlock(&q->lock);
+
+ /* spin_lock in cgroup local storage */
+ cls = bpf_get_local_storage(&cls_map, 0);
+ bpf_spin_lock(&cls->lock);
+ cls->cnt++;
+ bpf_spin_unlock(&cls->lock);
+
+err:
+ return err;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_stack_map.c b/tools/testing/selftests/bpf/progs/test_stack_map.c
index 31c3880e6da0..31c3880e6da0 100644
--- a/tools/testing/selftests/bpf/test_stack_map.c
+++ b/tools/testing/selftests/bpf/progs/test_stack_map.c
diff --git a/tools/testing/selftests/bpf/test_stacktrace_build_id.c b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
index d86c281e957f..bbfc8337b6f0 100644
--- a/tools/testing/selftests/bpf/test_stacktrace_build_id.c
+++ b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
@@ -8,36 +8,37 @@
#define PERF_MAX_STACK_DEPTH 127
#endif
-struct bpf_map_def SEC("maps") control_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = 1,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, __u32);
+} control_map SEC(".maps");
-struct bpf_map_def SEC("maps") stackid_hmap = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = 16384,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 16384);
+ __type(key, __u32);
+ __type(value, __u32);
+} stackid_hmap SEC(".maps");
-struct bpf_map_def SEC("maps") stackmap = {
- .type = BPF_MAP_TYPE_STACK_TRACE,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct bpf_stack_build_id)
- * PERF_MAX_STACK_DEPTH,
- .max_entries = 128,
- .map_flags = BPF_F_STACK_BUILD_ID,
-};
+typedef struct bpf_stack_build_id stack_trace_t[PERF_MAX_STACK_DEPTH];
-struct bpf_map_def SEC("maps") stack_amap = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct bpf_stack_build_id)
- * PERF_MAX_STACK_DEPTH,
- .max_entries = 128,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_STACK_TRACE);
+ __uint(max_entries, 128);
+ __uint(map_flags, BPF_F_STACK_BUILD_ID);
+ __uint(key_size, sizeof(__u32));
+ __uint(value_size, sizeof(stack_trace_t));
+} stackmap SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 128);
+ __type(key, __u32);
+ /* there seems to be a bug in kernel not handling typedef properly */
+ struct bpf_stack_build_id (*value)[PERF_MAX_STACK_DEPTH];
+} stack_amap SEC(".maps");
/* taken from /sys/kernel/debug/tracing/events/random/urandom_read/format */
struct random_urandom_args {
diff --git a/tools/testing/selftests/bpf/test_stacktrace_map.c b/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
index af111af7ca1a..803c15dc109d 100644
--- a/tools/testing/selftests/bpf/test_stacktrace_map.c
+++ b/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
@@ -8,33 +8,35 @@
#define PERF_MAX_STACK_DEPTH 127
#endif
-struct bpf_map_def SEC("maps") control_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = 1,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, __u32);
+ __type(value, __u32);
+} control_map SEC(".maps");
-struct bpf_map_def SEC("maps") stackid_hmap = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = 16384,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 16384);
+ __type(key, __u32);
+ __type(value, __u32);
+} stackid_hmap SEC(".maps");
-struct bpf_map_def SEC("maps") stackmap = {
- .type = BPF_MAP_TYPE_STACK_TRACE,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u64) * PERF_MAX_STACK_DEPTH,
- .max_entries = 16384,
-};
+typedef __u64 stack_trace_t[PERF_MAX_STACK_DEPTH];
-struct bpf_map_def SEC("maps") stack_amap = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u64) * PERF_MAX_STACK_DEPTH,
- .max_entries = 16384,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_STACK_TRACE);
+ __uint(max_entries, 16384);
+ __uint(key_size, sizeof(__u32));
+ __uint(value_size, sizeof(stack_trace_t));
+} stackmap SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 16384);
+ __type(key, __u32);
+ __u64 (*value)[PERF_MAX_STACK_DEPTH];
+} stack_amap SEC(".maps");
/* taken from /sys/kernel/debug/tracing/events/sched/sched_switch/format */
struct sched_switch_args {
diff --git a/tools/testing/selftests/bpf/progs/test_sysctl_loop1.c b/tools/testing/selftests/bpf/progs/test_sysctl_loop1.c
new file mode 100644
index 000000000000..608a06871572
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sysctl_loop1.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+
+#include "bpf_helpers.h"
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+/* tcp_mem sysctl has only 3 ints, but this test is doing TCP_MEM_LOOPS */
+#define TCP_MEM_LOOPS 28 /* because 30 doesn't fit into 512 bytes of stack */
+#define MAX_ULONG_STR_LEN 7
+#define MAX_VALUE_STR_LEN (TCP_MEM_LOOPS * MAX_ULONG_STR_LEN)
+
+static __always_inline int is_tcp_mem(struct bpf_sysctl *ctx)
+{
+ volatile char tcp_mem_name[] = "net/ipv4/tcp_mem/very_very_very_very_long_pointless_string";
+ unsigned char i;
+ char name[64];
+ int ret;
+
+ memset(name, 0, sizeof(name));
+ ret = bpf_sysctl_get_name(ctx, name, sizeof(name), 0);
+ if (ret < 0 || ret != sizeof(tcp_mem_name) - 1)
+ return 0;
+
+#pragma clang loop unroll(disable)
+ for (i = 0; i < sizeof(tcp_mem_name); ++i)
+ if (name[i] != tcp_mem_name[i])
+ return 0;
+
+ return 1;
+}
+
+SEC("cgroup/sysctl")
+int sysctl_tcp_mem(struct bpf_sysctl *ctx)
+{
+ unsigned long tcp_mem[TCP_MEM_LOOPS] = {};
+ char value[MAX_VALUE_STR_LEN];
+ unsigned char i, off = 0;
+ int ret;
+
+ if (ctx->write)
+ return 0;
+
+ if (!is_tcp_mem(ctx))
+ return 0;
+
+ ret = bpf_sysctl_get_current_value(ctx, value, MAX_VALUE_STR_LEN);
+ if (ret < 0 || ret >= MAX_VALUE_STR_LEN)
+ return 0;
+
+#pragma clang loop unroll(disable)
+ for (i = 0; i < ARRAY_SIZE(tcp_mem); ++i) {
+ ret = bpf_strtoul(value + off, MAX_ULONG_STR_LEN, 0,
+ tcp_mem + i);
+ if (ret <= 0 || ret > MAX_ULONG_STR_LEN)
+ return 0;
+ off += ret & MAX_ULONG_STR_LEN;
+ }
+
+ return tcp_mem[0] < tcp_mem[1] && tcp_mem[1] < tcp_mem[2];
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sysctl_loop2.c b/tools/testing/selftests/bpf/progs/test_sysctl_loop2.c
new file mode 100644
index 000000000000..cb201cbe11e7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sysctl_loop2.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+
+#include "bpf_helpers.h"
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+/* tcp_mem sysctl has only 3 ints, but this test is doing TCP_MEM_LOOPS */
+#define TCP_MEM_LOOPS 20 /* because 30 doesn't fit into 512 bytes of stack */
+#define MAX_ULONG_STR_LEN 7
+#define MAX_VALUE_STR_LEN (TCP_MEM_LOOPS * MAX_ULONG_STR_LEN)
+
+static __attribute__((noinline)) int is_tcp_mem(struct bpf_sysctl *ctx)
+{
+ volatile char tcp_mem_name[] = "net/ipv4/tcp_mem/very_very_very_very_long_pointless_string_to_stress_byte_loop";
+ unsigned char i;
+ char name[64];
+ int ret;
+
+ memset(name, 0, sizeof(name));
+ ret = bpf_sysctl_get_name(ctx, name, sizeof(name), 0);
+ if (ret < 0 || ret != sizeof(tcp_mem_name) - 1)
+ return 0;
+
+#pragma clang loop unroll(disable)
+ for (i = 0; i < sizeof(tcp_mem_name); ++i)
+ if (name[i] != tcp_mem_name[i])
+ return 0;
+
+ return 1;
+}
+
+
+SEC("cgroup/sysctl")
+int sysctl_tcp_mem(struct bpf_sysctl *ctx)
+{
+ unsigned long tcp_mem[TCP_MEM_LOOPS] = {};
+ char value[MAX_VALUE_STR_LEN];
+ unsigned char i, off = 0;
+ int ret;
+
+ if (ctx->write)
+ return 0;
+
+ if (!is_tcp_mem(ctx))
+ return 0;
+
+ ret = bpf_sysctl_get_current_value(ctx, value, MAX_VALUE_STR_LEN);
+ if (ret < 0 || ret >= MAX_VALUE_STR_LEN)
+ return 0;
+
+#pragma clang loop unroll(disable)
+ for (i = 0; i < ARRAY_SIZE(tcp_mem); ++i) {
+ ret = bpf_strtoul(value + off, MAX_ULONG_STR_LEN, 0,
+ tcp_mem + i);
+ if (ret <= 0 || ret > MAX_ULONG_STR_LEN)
+ return 0;
+ off += ret & MAX_ULONG_STR_LEN;
+ }
+
+ return tcp_mem[0] < tcp_mem[1] && tcp_mem[1] < tcp_mem[2];
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sysctl_prog.c b/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
new file mode 100644
index 000000000000..5cbbff416998
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+
+#include "bpf_helpers.h"
+
+/* Max supported length of a string with unsigned long in base 10 (pow2 - 1). */
+#define MAX_ULONG_STR_LEN 0xF
+
+/* Max supported length of sysctl value string (pow2). */
+#define MAX_VALUE_STR_LEN 0x40
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+static __always_inline int is_tcp_mem(struct bpf_sysctl *ctx)
+{
+ char tcp_mem_name[] = "net/ipv4/tcp_mem";
+ unsigned char i;
+ char name[64];
+ int ret;
+
+ memset(name, 0, sizeof(name));
+ ret = bpf_sysctl_get_name(ctx, name, sizeof(name), 0);
+ if (ret < 0 || ret != sizeof(tcp_mem_name) - 1)
+ return 0;
+
+#pragma clang loop unroll(full)
+ for (i = 0; i < sizeof(tcp_mem_name); ++i)
+ if (name[i] != tcp_mem_name[i])
+ return 0;
+
+ return 1;
+}
+
+SEC("cgroup/sysctl")
+int sysctl_tcp_mem(struct bpf_sysctl *ctx)
+{
+ unsigned long tcp_mem[3] = {0, 0, 0};
+ char value[MAX_VALUE_STR_LEN];
+ unsigned char i, off = 0;
+ int ret;
+
+ if (ctx->write)
+ return 0;
+
+ if (!is_tcp_mem(ctx))
+ return 0;
+
+ ret = bpf_sysctl_get_current_value(ctx, value, MAX_VALUE_STR_LEN);
+ if (ret < 0 || ret >= MAX_VALUE_STR_LEN)
+ return 0;
+
+#pragma clang loop unroll(full)
+ for (i = 0; i < ARRAY_SIZE(tcp_mem); ++i) {
+ ret = bpf_strtoul(value + off, MAX_ULONG_STR_LEN, 0,
+ tcp_mem + i);
+ if (ret <= 0 || ret > MAX_ULONG_STR_LEN)
+ return 0;
+ off += ret & MAX_ULONG_STR_LEN;
+ }
+
+
+ return tcp_mem[0] < tcp_mem[1] && tcp_mem[1] < tcp_mem[2];
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tc_edt.c b/tools/testing/selftests/bpf/progs/test_tc_edt.c
new file mode 100644
index 000000000000..3af64c470d64
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tc_edt.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdint.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/pkt_cls.h>
+#include <linux/tcp.h>
+#include "bpf_helpers.h"
+#include "bpf_endian.h"
+
+/* the maximum delay we are willing to add (drop packets beyond that) */
+#define TIME_HORIZON_NS (2000 * 1000 * 1000)
+#define NS_PER_SEC 1000000000
+#define ECN_HORIZON_NS 5000000
+#define THROTTLE_RATE_BPS (5 * 1000 * 1000)
+
+/* flow_key => last_tstamp timestamp used */
+struct bpf_map_def SEC("maps") flow_map = {
+ .type = BPF_MAP_TYPE_HASH,
+ .key_size = sizeof(uint32_t),
+ .value_size = sizeof(uint64_t),
+ .max_entries = 1,
+};
+
+static inline int throttle_flow(struct __sk_buff *skb)
+{
+ int key = 0;
+ uint64_t *last_tstamp = bpf_map_lookup_elem(&flow_map, &key);
+ uint64_t delay_ns = ((uint64_t)skb->len) * NS_PER_SEC /
+ THROTTLE_RATE_BPS;
+ uint64_t now = bpf_ktime_get_ns();
+ uint64_t tstamp, next_tstamp = 0;
+
+ if (last_tstamp)
+ next_tstamp = *last_tstamp + delay_ns;
+
+ tstamp = skb->tstamp;
+ if (tstamp < now)
+ tstamp = now;
+
+ /* should we throttle? */
+ if (next_tstamp <= tstamp) {
+ if (bpf_map_update_elem(&flow_map, &key, &tstamp, BPF_ANY))
+ return TC_ACT_SHOT;
+ return TC_ACT_OK;
+ }
+
+ /* do not queue past the time horizon */
+ if (next_tstamp - now >= TIME_HORIZON_NS)
+ return TC_ACT_SHOT;
+
+ /* set ecn bit, if needed */
+ if (next_tstamp - now >= ECN_HORIZON_NS)
+ bpf_skb_ecn_set_ce(skb);
+
+ if (bpf_map_update_elem(&flow_map, &key, &next_tstamp, BPF_EXIST))
+ return TC_ACT_SHOT;
+ skb->tstamp = next_tstamp;
+
+ return TC_ACT_OK;
+}
+
+static inline int handle_tcp(struct __sk_buff *skb, struct tcphdr *tcp)
+{
+ void *data_end = (void *)(long)skb->data_end;
+
+ /* drop malformed packets */
+ if ((void *)(tcp + 1) > data_end)
+ return TC_ACT_SHOT;
+
+ if (tcp->dest == bpf_htons(9000))
+ return throttle_flow(skb);
+
+ return TC_ACT_OK;
+}
+
+static inline int handle_ipv4(struct __sk_buff *skb)
+{
+ void *data_end = (void *)(long)skb->data_end;
+ void *data = (void *)(long)skb->data;
+ struct iphdr *iph;
+ uint32_t ihl;
+
+ /* drop malformed packets */
+ if (data + sizeof(struct ethhdr) > data_end)
+ return TC_ACT_SHOT;
+ iph = (struct iphdr *)(data + sizeof(struct ethhdr));
+ if ((void *)(iph + 1) > data_end)
+ return TC_ACT_SHOT;
+ ihl = iph->ihl * 4;
+ if (((void *)iph) + ihl > data_end)
+ return TC_ACT_SHOT;
+
+ if (iph->protocol == IPPROTO_TCP)
+ return handle_tcp(skb, (struct tcphdr *)(((void *)iph) + ihl));
+
+ return TC_ACT_OK;
+}
+
+SEC("cls_test") int tc_prog(struct __sk_buff *skb)
+{
+ if (skb->protocol == bpf_htons(ETH_P_IP))
+ return handle_ipv4(skb);
+
+ return TC_ACT_OK;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tc_tunnel.c b/tools/testing/selftests/bpf/progs/test_tc_tunnel.c
new file mode 100644
index 000000000000..74370e7e286d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tc_tunnel.c
@@ -0,0 +1,536 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/* In-place tunneling */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/mpls.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/pkt_cls.h>
+#include <linux/types.h>
+
+#include "bpf_endian.h"
+#include "bpf_helpers.h"
+
+static const int cfg_port = 8000;
+
+static const int cfg_udp_src = 20000;
+
+#define UDP_PORT 5555
+#define MPLS_OVER_UDP_PORT 6635
+#define ETH_OVER_UDP_PORT 7777
+
+/* MPLS label 1000 with S bit (last label) set and ttl of 255. */
+static const __u32 mpls_label = __bpf_constant_htonl(1000 << 12 |
+ MPLS_LS_S_MASK | 0xff);
+
+struct gre_hdr {
+ __be16 flags;
+ __be16 protocol;
+} __attribute__((packed));
+
+union l4hdr {
+ struct udphdr udp;
+ struct gre_hdr gre;
+};
+
+struct v4hdr {
+ struct iphdr ip;
+ union l4hdr l4hdr;
+ __u8 pad[16]; /* enough space for L2 header */
+} __attribute__((packed));
+
+struct v6hdr {
+ struct ipv6hdr ip;
+ union l4hdr l4hdr;
+ __u8 pad[16]; /* enough space for L2 header */
+} __attribute__((packed));
+
+static __always_inline void set_ipv4_csum(struct iphdr *iph)
+{
+ __u16 *iph16 = (__u16 *)iph;
+ __u32 csum;
+ int i;
+
+ iph->check = 0;
+
+#pragma clang loop unroll(full)
+ for (i = 0, csum = 0; i < sizeof(*iph) >> 1; i++)
+ csum += *iph16++;
+
+ iph->check = ~((csum & 0xffff) + (csum >> 16));
+}
+
+static __always_inline int encap_ipv4(struct __sk_buff *skb, __u8 encap_proto,
+ __u16 l2_proto)
+{
+ __u16 udp_dst = UDP_PORT;
+ struct iphdr iph_inner;
+ struct v4hdr h_outer;
+ struct tcphdr tcph;
+ int olen, l2_len;
+ int tcp_off;
+ __u64 flags;
+
+ /* Most tests encapsulate a packet into a tunnel with the same
+ * network protocol, and derive the outer header fields from
+ * the inner header.
+ *
+ * The 6in4 case tests different inner and outer protocols. As
+ * the inner is ipv6, but the outer expects an ipv4 header as
+ * input, manually build a struct iphdr based on the ipv6hdr.
+ */
+ if (encap_proto == IPPROTO_IPV6) {
+ const __u32 saddr = (192 << 24) | (168 << 16) | (1 << 8) | 1;
+ const __u32 daddr = (192 << 24) | (168 << 16) | (1 << 8) | 2;
+ struct ipv6hdr iph6_inner;
+
+ /* Read the IPv6 header */
+ if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph6_inner,
+ sizeof(iph6_inner)) < 0)
+ return TC_ACT_OK;
+
+ /* Derive the IPv4 header fields from the IPv6 header */
+ memset(&iph_inner, 0, sizeof(iph_inner));
+ iph_inner.version = 4;
+ iph_inner.ihl = 5;
+ iph_inner.tot_len = bpf_htons(sizeof(iph6_inner) +
+ bpf_ntohs(iph6_inner.payload_len));
+ iph_inner.ttl = iph6_inner.hop_limit - 1;
+ iph_inner.protocol = iph6_inner.nexthdr;
+ iph_inner.saddr = __bpf_constant_htonl(saddr);
+ iph_inner.daddr = __bpf_constant_htonl(daddr);
+
+ tcp_off = sizeof(iph6_inner);
+ } else {
+ if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph_inner,
+ sizeof(iph_inner)) < 0)
+ return TC_ACT_OK;
+
+ tcp_off = sizeof(iph_inner);
+ }
+
+ /* filter only packets we want */
+ if (iph_inner.ihl != 5 || iph_inner.protocol != IPPROTO_TCP)
+ return TC_ACT_OK;
+
+ if (bpf_skb_load_bytes(skb, ETH_HLEN + tcp_off,
+ &tcph, sizeof(tcph)) < 0)
+ return TC_ACT_OK;
+
+ if (tcph.dest != __bpf_constant_htons(cfg_port))
+ return TC_ACT_OK;
+
+ olen = sizeof(h_outer.ip);
+ l2_len = 0;
+
+ flags = BPF_F_ADJ_ROOM_FIXED_GSO | BPF_F_ADJ_ROOM_ENCAP_L3_IPV4;
+
+ switch (l2_proto) {
+ case ETH_P_MPLS_UC:
+ l2_len = sizeof(mpls_label);
+ udp_dst = MPLS_OVER_UDP_PORT;
+ break;
+ case ETH_P_TEB:
+ l2_len = ETH_HLEN;
+ udp_dst = ETH_OVER_UDP_PORT;
+ break;
+ }
+ flags |= BPF_F_ADJ_ROOM_ENCAP_L2(l2_len);
+
+ switch (encap_proto) {
+ case IPPROTO_GRE:
+ flags |= BPF_F_ADJ_ROOM_ENCAP_L4_GRE;
+ olen += sizeof(h_outer.l4hdr.gre);
+ h_outer.l4hdr.gre.protocol = bpf_htons(l2_proto);
+ h_outer.l4hdr.gre.flags = 0;
+ break;
+ case IPPROTO_UDP:
+ flags |= BPF_F_ADJ_ROOM_ENCAP_L4_UDP;
+ olen += sizeof(h_outer.l4hdr.udp);
+ h_outer.l4hdr.udp.source = __bpf_constant_htons(cfg_udp_src);
+ h_outer.l4hdr.udp.dest = bpf_htons(udp_dst);
+ h_outer.l4hdr.udp.check = 0;
+ h_outer.l4hdr.udp.len = bpf_htons(bpf_ntohs(iph_inner.tot_len) +
+ sizeof(h_outer.l4hdr.udp) +
+ l2_len);
+ break;
+ case IPPROTO_IPIP:
+ case IPPROTO_IPV6:
+ break;
+ default:
+ return TC_ACT_OK;
+ }
+
+ /* add L2 encap (if specified) */
+ switch (l2_proto) {
+ case ETH_P_MPLS_UC:
+ *((__u32 *)((__u8 *)&h_outer + olen)) = mpls_label;
+ break;
+ case ETH_P_TEB:
+ if (bpf_skb_load_bytes(skb, 0, (__u8 *)&h_outer + olen,
+ ETH_HLEN))
+ return TC_ACT_SHOT;
+ break;
+ }
+ olen += l2_len;
+
+ /* add room between mac and network header */
+ if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))
+ return TC_ACT_SHOT;
+
+ /* prepare new outer network header */
+ h_outer.ip = iph_inner;
+ h_outer.ip.tot_len = bpf_htons(olen +
+ bpf_ntohs(h_outer.ip.tot_len));
+ h_outer.ip.protocol = encap_proto;
+
+ set_ipv4_csum((void *)&h_outer.ip);
+
+ /* store new outer network header */
+ if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,
+ BPF_F_INVALIDATE_HASH) < 0)
+ return TC_ACT_SHOT;
+
+ /* if changing outer proto type, update eth->h_proto */
+ if (encap_proto == IPPROTO_IPV6) {
+ struct ethhdr eth;
+
+ if (bpf_skb_load_bytes(skb, 0, &eth, sizeof(eth)) < 0)
+ return TC_ACT_SHOT;
+ eth.h_proto = bpf_htons(ETH_P_IP);
+ if (bpf_skb_store_bytes(skb, 0, &eth, sizeof(eth), 0) < 0)
+ return TC_ACT_SHOT;
+ }
+
+ return TC_ACT_OK;
+}
+
+static __always_inline int encap_ipv6(struct __sk_buff *skb, __u8 encap_proto,
+ __u16 l2_proto)
+{
+ __u16 udp_dst = UDP_PORT;
+ struct ipv6hdr iph_inner;
+ struct v6hdr h_outer;
+ struct tcphdr tcph;
+ int olen, l2_len;
+ __u16 tot_len;
+ __u64 flags;
+
+ if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph_inner,
+ sizeof(iph_inner)) < 0)
+ return TC_ACT_OK;
+
+ /* filter only packets we want */
+ if (bpf_skb_load_bytes(skb, ETH_HLEN + sizeof(iph_inner),
+ &tcph, sizeof(tcph)) < 0)
+ return TC_ACT_OK;
+
+ if (tcph.dest != __bpf_constant_htons(cfg_port))
+ return TC_ACT_OK;
+
+ olen = sizeof(h_outer.ip);
+ l2_len = 0;
+
+ flags = BPF_F_ADJ_ROOM_FIXED_GSO | BPF_F_ADJ_ROOM_ENCAP_L3_IPV6;
+
+ switch (l2_proto) {
+ case ETH_P_MPLS_UC:
+ l2_len = sizeof(mpls_label);
+ udp_dst = MPLS_OVER_UDP_PORT;
+ break;
+ case ETH_P_TEB:
+ l2_len = ETH_HLEN;
+ udp_dst = ETH_OVER_UDP_PORT;
+ break;
+ }
+ flags |= BPF_F_ADJ_ROOM_ENCAP_L2(l2_len);
+
+ switch (encap_proto) {
+ case IPPROTO_GRE:
+ flags |= BPF_F_ADJ_ROOM_ENCAP_L4_GRE;
+ olen += sizeof(h_outer.l4hdr.gre);
+ h_outer.l4hdr.gre.protocol = bpf_htons(l2_proto);
+ h_outer.l4hdr.gre.flags = 0;
+ break;
+ case IPPROTO_UDP:
+ flags |= BPF_F_ADJ_ROOM_ENCAP_L4_UDP;
+ olen += sizeof(h_outer.l4hdr.udp);
+ h_outer.l4hdr.udp.source = __bpf_constant_htons(cfg_udp_src);
+ h_outer.l4hdr.udp.dest = bpf_htons(udp_dst);
+ tot_len = bpf_ntohs(iph_inner.payload_len) + sizeof(iph_inner) +
+ sizeof(h_outer.l4hdr.udp);
+ h_outer.l4hdr.udp.check = 0;
+ h_outer.l4hdr.udp.len = bpf_htons(tot_len);
+ break;
+ case IPPROTO_IPV6:
+ break;
+ default:
+ return TC_ACT_OK;
+ }
+
+ /* add L2 encap (if specified) */
+ switch (l2_proto) {
+ case ETH_P_MPLS_UC:
+ *((__u32 *)((__u8 *)&h_outer + olen)) = mpls_label;
+ break;
+ case ETH_P_TEB:
+ if (bpf_skb_load_bytes(skb, 0, (__u8 *)&h_outer + olen,
+ ETH_HLEN))
+ return TC_ACT_SHOT;
+ break;
+ }
+ olen += l2_len;
+
+ /* add room between mac and network header */
+ if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))
+ return TC_ACT_SHOT;
+
+ /* prepare new outer network header */
+ h_outer.ip = iph_inner;
+ h_outer.ip.payload_len = bpf_htons(olen +
+ bpf_ntohs(h_outer.ip.payload_len));
+
+ h_outer.ip.nexthdr = encap_proto;
+
+ /* store new outer network header */
+ if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,
+ BPF_F_INVALIDATE_HASH) < 0)
+ return TC_ACT_SHOT;
+
+ return TC_ACT_OK;
+}
+
+SEC("encap_ipip_none")
+int __encap_ipip_none(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+ return encap_ipv4(skb, IPPROTO_IPIP, ETH_P_IP);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_gre_none")
+int __encap_gre_none(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+ return encap_ipv4(skb, IPPROTO_GRE, ETH_P_IP);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_gre_mpls")
+int __encap_gre_mpls(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+ return encap_ipv4(skb, IPPROTO_GRE, ETH_P_MPLS_UC);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_gre_eth")
+int __encap_gre_eth(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+ return encap_ipv4(skb, IPPROTO_GRE, ETH_P_TEB);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_udp_none")
+int __encap_udp_none(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+ return encap_ipv4(skb, IPPROTO_UDP, ETH_P_IP);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_udp_mpls")
+int __encap_udp_mpls(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+ return encap_ipv4(skb, IPPROTO_UDP, ETH_P_MPLS_UC);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_udp_eth")
+int __encap_udp_eth(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+ return encap_ipv4(skb, IPPROTO_UDP, ETH_P_TEB);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_sit_none")
+int __encap_sit_none(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+ return encap_ipv4(skb, IPPROTO_IPV6, ETH_P_IP);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_ip6tnl_none")
+int __encap_ip6tnl_none(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+ return encap_ipv6(skb, IPPROTO_IPV6, ETH_P_IPV6);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_ip6gre_none")
+int __encap_ip6gre_none(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+ return encap_ipv6(skb, IPPROTO_GRE, ETH_P_IPV6);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_ip6gre_mpls")
+int __encap_ip6gre_mpls(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+ return encap_ipv6(skb, IPPROTO_GRE, ETH_P_MPLS_UC);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_ip6gre_eth")
+int __encap_ip6gre_eth(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+ return encap_ipv6(skb, IPPROTO_GRE, ETH_P_TEB);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_ip6udp_none")
+int __encap_ip6udp_none(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+ return encap_ipv6(skb, IPPROTO_UDP, ETH_P_IPV6);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_ip6udp_mpls")
+int __encap_ip6udp_mpls(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+ return encap_ipv6(skb, IPPROTO_UDP, ETH_P_MPLS_UC);
+ else
+ return TC_ACT_OK;
+}
+
+SEC("encap_ip6udp_eth")
+int __encap_ip6udp_eth(struct __sk_buff *skb)
+{
+ if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+ return encap_ipv6(skb, IPPROTO_UDP, ETH_P_TEB);
+ else
+ return TC_ACT_OK;
+}
+
+static int decap_internal(struct __sk_buff *skb, int off, int len, char proto)
+{
+ char buf[sizeof(struct v6hdr)];
+ struct gre_hdr greh;
+ struct udphdr udph;
+ int olen = len;
+
+ switch (proto) {
+ case IPPROTO_IPIP:
+ case IPPROTO_IPV6:
+ break;
+ case IPPROTO_GRE:
+ olen += sizeof(struct gre_hdr);
+ if (bpf_skb_load_bytes(skb, off + len, &greh, sizeof(greh)) < 0)
+ return TC_ACT_OK;
+ switch (bpf_ntohs(greh.protocol)) {
+ case ETH_P_MPLS_UC:
+ olen += sizeof(mpls_label);
+ break;
+ case ETH_P_TEB:
+ olen += ETH_HLEN;
+ break;
+ }
+ break;
+ case IPPROTO_UDP:
+ olen += sizeof(struct udphdr);
+ if (bpf_skb_load_bytes(skb, off + len, &udph, sizeof(udph)) < 0)
+ return TC_ACT_OK;
+ switch (bpf_ntohs(udph.dest)) {
+ case MPLS_OVER_UDP_PORT:
+ olen += sizeof(mpls_label);
+ break;
+ case ETH_OVER_UDP_PORT:
+ olen += ETH_HLEN;
+ break;
+ }
+ break;
+ default:
+ return TC_ACT_OK;
+ }
+
+ if (bpf_skb_adjust_room(skb, -olen, BPF_ADJ_ROOM_MAC,
+ BPF_F_ADJ_ROOM_FIXED_GSO))
+ return TC_ACT_SHOT;
+
+ return TC_ACT_OK;
+}
+
+static int decap_ipv4(struct __sk_buff *skb)
+{
+ struct iphdr iph_outer;
+
+ if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph_outer,
+ sizeof(iph_outer)) < 0)
+ return TC_ACT_OK;
+
+ if (iph_outer.ihl != 5)
+ return TC_ACT_OK;
+
+ return decap_internal(skb, ETH_HLEN, sizeof(iph_outer),
+ iph_outer.protocol);
+}
+
+static int decap_ipv6(struct __sk_buff *skb)
+{
+ struct ipv6hdr iph_outer;
+
+ if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph_outer,
+ sizeof(iph_outer)) < 0)
+ return TC_ACT_OK;
+
+ return decap_internal(skb, ETH_HLEN, sizeof(iph_outer),
+ iph_outer.nexthdr);
+}
+
+SEC("decap")
+int decap_f(struct __sk_buff *skb)
+{
+ switch (skb->protocol) {
+ case __bpf_constant_htons(ETH_P_IP):
+ return decap_ipv4(skb);
+ case __bpf_constant_htons(ETH_P_IPV6):
+ return decap_ipv6(skb);
+ default:
+ /* does not match, ignore */
+ return TC_ACT_OK;
+ }
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c b/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c
new file mode 100644
index 000000000000..1ab095bcacd8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+// Copyright (c) 2019 Cloudflare
+
+#include <string.h>
+
+#include <linux/bpf.h>
+#include <linux/pkt_cls.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <sys/socket.h>
+#include <linux/tcp.h>
+
+#include "bpf_helpers.h"
+#include "bpf_endian.h"
+
+struct bpf_map_def SEC("maps") results = {
+ .type = BPF_MAP_TYPE_ARRAY,
+ .key_size = sizeof(__u32),
+ .value_size = sizeof(__u64),
+ .max_entries = 1,
+};
+
+static __always_inline void check_syncookie(void *ctx, void *data,
+ void *data_end)
+{
+ struct bpf_sock_tuple tup;
+ struct bpf_sock *sk;
+ struct ethhdr *ethh;
+ struct iphdr *ipv4h;
+ struct ipv6hdr *ipv6h;
+ struct tcphdr *tcph;
+ int ret;
+ __u32 key = 0;
+ __u64 value = 1;
+
+ ethh = data;
+ if (ethh + 1 > data_end)
+ return;
+
+ switch (bpf_ntohs(ethh->h_proto)) {
+ case ETH_P_IP:
+ ipv4h = data + sizeof(struct ethhdr);
+ if (ipv4h + 1 > data_end)
+ return;
+
+ if (ipv4h->ihl != 5)
+ return;
+
+ tcph = data + sizeof(struct ethhdr) + sizeof(struct iphdr);
+ if (tcph + 1 > data_end)
+ return;
+
+ tup.ipv4.saddr = ipv4h->saddr;
+ tup.ipv4.daddr = ipv4h->daddr;
+ tup.ipv4.sport = tcph->source;
+ tup.ipv4.dport = tcph->dest;
+
+ sk = bpf_skc_lookup_tcp(ctx, &tup, sizeof(tup.ipv4),
+ BPF_F_CURRENT_NETNS, 0);
+ if (!sk)
+ return;
+
+ if (sk->state != BPF_TCP_LISTEN)
+ goto release;
+
+ ret = bpf_tcp_check_syncookie(sk, ipv4h, sizeof(*ipv4h),
+ tcph, sizeof(*tcph));
+ break;
+
+ case ETH_P_IPV6:
+ ipv6h = data + sizeof(struct ethhdr);
+ if (ipv6h + 1 > data_end)
+ return;
+
+ if (ipv6h->nexthdr != IPPROTO_TCP)
+ return;
+
+ tcph = data + sizeof(struct ethhdr) + sizeof(struct ipv6hdr);
+ if (tcph + 1 > data_end)
+ return;
+
+ memcpy(tup.ipv6.saddr, &ipv6h->saddr, sizeof(tup.ipv6.saddr));
+ memcpy(tup.ipv6.daddr, &ipv6h->daddr, sizeof(tup.ipv6.daddr));
+ tup.ipv6.sport = tcph->source;
+ tup.ipv6.dport = tcph->dest;
+
+ sk = bpf_skc_lookup_tcp(ctx, &tup, sizeof(tup.ipv6),
+ BPF_F_CURRENT_NETNS, 0);
+ if (!sk)
+ return;
+
+ if (sk->state != BPF_TCP_LISTEN)
+ goto release;
+
+ ret = bpf_tcp_check_syncookie(sk, ipv6h, sizeof(*ipv6h),
+ tcph, sizeof(*tcph));
+ break;
+
+ default:
+ return;
+ }
+
+ if (ret == 0)
+ bpf_map_update_elem(&results, &key, &value, 0);
+
+release:
+ bpf_sk_release(sk);
+}
+
+SEC("clsact/check_syncookie")
+int check_syncookie_clsact(struct __sk_buff *skb)
+{
+ check_syncookie(skb, (void *)(long)skb->data,
+ (void *)(long)skb->data_end);
+ return TC_ACT_OK;
+}
+
+SEC("xdp/check_syncookie")
+int check_syncookie_xdp(struct xdp_md *ctx)
+{
+ check_syncookie(ctx, (void *)(long)ctx->data,
+ (void *)(long)ctx->data_end);
+ return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_tcp_estats.c b/tools/testing/selftests/bpf/progs/test_tcp_estats.c
index bee3bbecc0c4..c8c595da38d4 100644
--- a/tools/testing/selftests/bpf/test_tcp_estats.c
+++ b/tools/testing/selftests/bpf/progs/test_tcp_estats.c
@@ -148,12 +148,12 @@ struct tcp_estats_basic_event {
struct tcp_estats_conn_id conn_id;
};
-struct bpf_map_def SEC("maps") ev_record_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct tcp_estats_basic_event),
- .max_entries = 1024,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 1024);
+ __type(key, __u32);
+ __type(value, struct tcp_estats_basic_event);
+} ev_record_map SEC(".maps");
struct dummy_tracepoint_args {
unsigned long long pad;
diff --git a/tools/testing/selftests/bpf/test_tcpbpf_kern.c b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
index 74f73b33a7b0..2e233613d1fc 100644
--- a/tools/testing/selftests/bpf/test_tcpbpf_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <stddef.h>
#include <string.h>
+#include <netinet/in.h>
#include <linux/bpf.h>
#include <linux/if_ether.h>
#include <linux/if_packet.h>
@@ -9,24 +10,23 @@
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/tcp.h>
-#include <netinet/in.h>
#include "bpf_helpers.h"
#include "bpf_endian.h"
#include "test_tcpbpf.h"
-struct bpf_map_def SEC("maps") global_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct tcpbpf_globals),
- .max_entries = 4,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 4);
+ __type(key, __u32);
+ __type(value, struct tcpbpf_globals);
+} global_map SEC(".maps");
-struct bpf_map_def SEC("maps") sockopt_results = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(int),
- .max_entries = 2,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 2);
+ __type(key, __u32);
+ __type(value, int);
+} sockopt_results SEC(".maps");
static inline void update_event_map(int event)
{
diff --git a/tools/testing/selftests/bpf/test_tcpnotify_kern.c b/tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c
index edbca203ce2d..08346e7765d5 100644
--- a/tools/testing/selftests/bpf/test_tcpnotify_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <stddef.h>
#include <string.h>
+#include <netinet/in.h>
#include <linux/bpf.h>
#include <linux/if_ether.h>
#include <linux/if_packet.h>
@@ -9,24 +10,23 @@
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/tcp.h>
-#include <netinet/in.h>
#include "bpf_helpers.h"
#include "bpf_endian.h"
#include "test_tcpnotify.h"
-struct bpf_map_def SEC("maps") global_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct tcpnotify_globals),
- .max_entries = 4,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 4);
+ __type(key, __u32);
+ __type(value, struct tcpnotify_globals);
+} global_map SEC(".maps");
-struct bpf_map_def SEC("maps") perf_event_map = {
- .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(__u32),
- .max_entries = 2,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+ __uint(max_entries, 2);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(__u32));
+} perf_event_map SEC(".maps");
int _version SEC("version") = 1;
diff --git a/tools/testing/selftests/bpf/test_tracepoint.c b/tools/testing/selftests/bpf/progs/test_tracepoint.c
index 04bf084517e0..04bf084517e0 100644
--- a/tools/testing/selftests/bpf/test_tracepoint.c
+++ b/tools/testing/selftests/bpf/progs/test_tracepoint.c
diff --git a/tools/testing/selftests/bpf/test_tunnel_kern.c b/tools/testing/selftests/bpf/progs/test_tunnel_kern.c
index 504df69c83df..504df69c83df 100644
--- a/tools/testing/selftests/bpf/test_tunnel_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_tunnel_kern.c
diff --git a/tools/testing/selftests/bpf/progs/test_verif_scale1.c b/tools/testing/selftests/bpf/progs/test_verif_scale1.c
new file mode 100644
index 000000000000..f3236ce35f31
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_verif_scale1.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+#define ATTR __attribute__((noinline))
+#include "test_jhash.h"
+
+SEC("scale90_noinline")
+int balancer_ingress(struct __sk_buff *ctx)
+{
+ void *data_end = (void *)(long)ctx->data_end;
+ void *data = (void *)(long)ctx->data;
+ void *ptr;
+ int ret = 0, nh_off, i = 0;
+
+ nh_off = 14;
+
+ /* pragma unroll doesn't work on large loops */
+
+#define C do { \
+ ptr = data + i; \
+ if (ptr + nh_off > data_end) \
+ break; \
+ ctx->tc_index = jhash(ptr, nh_off, ctx->cb[0] + i++); \
+ } while (0);
+#define C30 C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;
+ C30;C30;C30; /* 90 calls */
+ return 0;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_verif_scale2.c b/tools/testing/selftests/bpf/progs/test_verif_scale2.c
new file mode 100644
index 000000000000..9897150ed516
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_verif_scale2.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+#define ATTR __always_inline
+#include "test_jhash.h"
+
+SEC("scale90_inline")
+int balancer_ingress(struct __sk_buff *ctx)
+{
+ void *data_end = (void *)(long)ctx->data_end;
+ void *data = (void *)(long)ctx->data;
+ void *ptr;
+ int ret = 0, nh_off, i = 0;
+
+ nh_off = 14;
+
+ /* pragma unroll doesn't work on large loops */
+
+#define C do { \
+ ptr = data + i; \
+ if (ptr + nh_off > data_end) \
+ break; \
+ ctx->tc_index = jhash(ptr, nh_off, ctx->cb[0] + i++); \
+ } while (0);
+#define C30 C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;
+ C30;C30;C30; /* 90 calls */
+ return 0;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_verif_scale3.c b/tools/testing/selftests/bpf/progs/test_verif_scale3.c
new file mode 100644
index 000000000000..1848da04ea41
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_verif_scale3.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+#define ATTR __attribute__((noinline))
+#include "test_jhash.h"
+
+SEC("scale90_noinline32")
+int balancer_ingress(struct __sk_buff *ctx)
+{
+ void *data_end = (void *)(long)ctx->data_end;
+ void *data = (void *)(long)ctx->data;
+ void *ptr;
+ int ret = 0, nh_off, i = 0;
+
+ nh_off = 32;
+
+ /* pragma unroll doesn't work on large loops */
+
+#define C do { \
+ ptr = data + i; \
+ if (ptr + nh_off > data_end) \
+ break; \
+ ctx->tc_index = jhash(ptr, nh_off, ctx->cb[0] + i++); \
+ } while (0);
+#define C30 C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;
+ C30;C30;C30; /* 90 calls */
+ return 0;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_xdp.c b/tools/testing/selftests/bpf/progs/test_xdp.c
index 5e7df8bb5b5d..0941c655b07b 100644
--- a/tools/testing/selftests/bpf/test_xdp.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp.c
@@ -22,19 +22,19 @@
int _version SEC("version") = 1;
-struct bpf_map_def SEC("maps") rxcnt = {
- .type = BPF_MAP_TYPE_PERCPU_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u64),
- .max_entries = 256,
-};
-
-struct bpf_map_def SEC("maps") vip2tnl = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(struct vip),
- .value_size = sizeof(struct iptnl_info),
- .max_entries = MAX_IPTNL_ENTRIES,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(max_entries, 256);
+ __type(key, __u32);
+ __type(value, __u64);
+} rxcnt SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, MAX_IPTNL_ENTRIES);
+ __type(key, struct vip);
+ __type(value, struct iptnl_info);
+} vip2tnl SEC(".maps");
static __always_inline void count_tx(__u32 protocol)
{
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_loop.c b/tools/testing/selftests/bpf/progs/test_xdp_loop.c
new file mode 100644
index 000000000000..97175f73c3fe
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_loop.c
@@ -0,0 +1,231 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/in.h>
+#include <linux/udp.h>
+#include <linux/tcp.h>
+#include <linux/pkt_cls.h>
+#include <sys/socket.h>
+#include "bpf_helpers.h"
+#include "bpf_endian.h"
+#include "test_iptunnel_common.h"
+
+int _version SEC("version") = 1;
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(max_entries, 256);
+ __type(key, __u32);
+ __type(value, __u64);
+} rxcnt SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, MAX_IPTNL_ENTRIES);
+ __type(key, struct vip);
+ __type(value, struct iptnl_info);
+} vip2tnl SEC(".maps");
+
+static __always_inline void count_tx(__u32 protocol)
+{
+ __u64 *rxcnt_count;
+
+ rxcnt_count = bpf_map_lookup_elem(&rxcnt, &protocol);
+ if (rxcnt_count)
+ *rxcnt_count += 1;
+}
+
+static __always_inline int get_dport(void *trans_data, void *data_end,
+ __u8 protocol)
+{
+ struct tcphdr *th;
+ struct udphdr *uh;
+
+ switch (protocol) {
+ case IPPROTO_TCP:
+ th = (struct tcphdr *)trans_data;
+ if (th + 1 > data_end)
+ return -1;
+ return th->dest;
+ case IPPROTO_UDP:
+ uh = (struct udphdr *)trans_data;
+ if (uh + 1 > data_end)
+ return -1;
+ return uh->dest;
+ default:
+ return 0;
+ }
+}
+
+static __always_inline void set_ethhdr(struct ethhdr *new_eth,
+ const struct ethhdr *old_eth,
+ const struct iptnl_info *tnl,
+ __be16 h_proto)
+{
+ memcpy(new_eth->h_source, old_eth->h_dest, sizeof(new_eth->h_source));
+ memcpy(new_eth->h_dest, tnl->dmac, sizeof(new_eth->h_dest));
+ new_eth->h_proto = h_proto;
+}
+
+static __always_inline int handle_ipv4(struct xdp_md *xdp)
+{
+ void *data_end = (void *)(long)xdp->data_end;
+ void *data = (void *)(long)xdp->data;
+ struct iptnl_info *tnl;
+ struct ethhdr *new_eth;
+ struct ethhdr *old_eth;
+ struct iphdr *iph = data + sizeof(struct ethhdr);
+ __u16 *next_iph;
+ __u16 payload_len;
+ struct vip vip = {};
+ int dport;
+ __u32 csum = 0;
+ int i;
+
+ if (iph + 1 > data_end)
+ return XDP_DROP;
+
+ dport = get_dport(iph + 1, data_end, iph->protocol);
+ if (dport == -1)
+ return XDP_DROP;
+
+ vip.protocol = iph->protocol;
+ vip.family = AF_INET;
+ vip.daddr.v4 = iph->daddr;
+ vip.dport = dport;
+ payload_len = bpf_ntohs(iph->tot_len);
+
+ tnl = bpf_map_lookup_elem(&vip2tnl, &vip);
+ /* It only does v4-in-v4 */
+ if (!tnl || tnl->family != AF_INET)
+ return XDP_PASS;
+
+ if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct iphdr)))
+ return XDP_DROP;
+
+ data = (void *)(long)xdp->data;
+ data_end = (void *)(long)xdp->data_end;
+
+ new_eth = data;
+ iph = data + sizeof(*new_eth);
+ old_eth = data + sizeof(*iph);
+
+ if (new_eth + 1 > data_end ||
+ old_eth + 1 > data_end ||
+ iph + 1 > data_end)
+ return XDP_DROP;
+
+ set_ethhdr(new_eth, old_eth, tnl, bpf_htons(ETH_P_IP));
+
+ iph->version = 4;
+ iph->ihl = sizeof(*iph) >> 2;
+ iph->frag_off = 0;
+ iph->protocol = IPPROTO_IPIP;
+ iph->check = 0;
+ iph->tos = 0;
+ iph->tot_len = bpf_htons(payload_len + sizeof(*iph));
+ iph->daddr = tnl->daddr.v4;
+ iph->saddr = tnl->saddr.v4;
+ iph->ttl = 8;
+
+ next_iph = (__u16 *)iph;
+#pragma clang loop unroll(disable)
+ for (i = 0; i < sizeof(*iph) >> 1; i++)
+ csum += *next_iph++;
+
+ iph->check = ~((csum & 0xffff) + (csum >> 16));
+
+ count_tx(vip.protocol);
+
+ return XDP_TX;
+}
+
+static __always_inline int handle_ipv6(struct xdp_md *xdp)
+{
+ void *data_end = (void *)(long)xdp->data_end;
+ void *data = (void *)(long)xdp->data;
+ struct iptnl_info *tnl;
+ struct ethhdr *new_eth;
+ struct ethhdr *old_eth;
+ struct ipv6hdr *ip6h = data + sizeof(struct ethhdr);
+ __u16 payload_len;
+ struct vip vip = {};
+ int dport;
+
+ if (ip6h + 1 > data_end)
+ return XDP_DROP;
+
+ dport = get_dport(ip6h + 1, data_end, ip6h->nexthdr);
+ if (dport == -1)
+ return XDP_DROP;
+
+ vip.protocol = ip6h->nexthdr;
+ vip.family = AF_INET6;
+ memcpy(vip.daddr.v6, ip6h->daddr.s6_addr32, sizeof(vip.daddr));
+ vip.dport = dport;
+ payload_len = ip6h->payload_len;
+
+ tnl = bpf_map_lookup_elem(&vip2tnl, &vip);
+ /* It only does v6-in-v6 */
+ if (!tnl || tnl->family != AF_INET6)
+ return XDP_PASS;
+
+ if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct ipv6hdr)))
+ return XDP_DROP;
+
+ data = (void *)(long)xdp->data;
+ data_end = (void *)(long)xdp->data_end;
+
+ new_eth = data;
+ ip6h = data + sizeof(*new_eth);
+ old_eth = data + sizeof(*ip6h);
+
+ if (new_eth + 1 > data_end || old_eth + 1 > data_end ||
+ ip6h + 1 > data_end)
+ return XDP_DROP;
+
+ set_ethhdr(new_eth, old_eth, tnl, bpf_htons(ETH_P_IPV6));
+
+ ip6h->version = 6;
+ ip6h->priority = 0;
+ memset(ip6h->flow_lbl, 0, sizeof(ip6h->flow_lbl));
+ ip6h->payload_len = bpf_htons(bpf_ntohs(payload_len) + sizeof(*ip6h));
+ ip6h->nexthdr = IPPROTO_IPV6;
+ ip6h->hop_limit = 8;
+ memcpy(ip6h->saddr.s6_addr32, tnl->saddr.v6, sizeof(tnl->saddr.v6));
+ memcpy(ip6h->daddr.s6_addr32, tnl->daddr.v6, sizeof(tnl->daddr.v6));
+
+ count_tx(vip.protocol);
+
+ return XDP_TX;
+}
+
+SEC("xdp_tx_iptunnel")
+int _xdp_tx_iptunnel(struct xdp_md *xdp)
+{
+ void *data_end = (void *)(long)xdp->data_end;
+ void *data = (void *)(long)xdp->data;
+ struct ethhdr *eth = data;
+ __u16 h_proto;
+
+ if (eth + 1 > data_end)
+ return XDP_DROP;
+
+ h_proto = eth->h_proto;
+
+ if (h_proto == bpf_htons(ETH_P_IP))
+ return handle_ipv4(xdp);
+ else if (h_proto == bpf_htons(ETH_P_IPV6))
+
+ return handle_ipv6(xdp);
+ else
+ return XDP_DROP;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_xdp_meta.c b/tools/testing/selftests/bpf/progs/test_xdp_meta.c
index 8d0182650653..8d0182650653 100644
--- a/tools/testing/selftests/bpf/test_xdp_meta.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_meta.c
diff --git a/tools/testing/selftests/bpf/test_xdp_noinline.c b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c
index 5e4aac74f9d0..dad8a7e33eaa 100644
--- a/tools/testing/selftests/bpf/test_xdp_noinline.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c
@@ -15,13 +15,6 @@
#include <linux/udp.h>
#include "bpf_helpers.h"
-#define bpf_printk(fmt, ...) \
-({ \
- char ____fmt[] = fmt; \
- bpf_trace_printk(____fmt, sizeof(____fmt), \
- ##__VA_ARGS__); \
-})
-
static __u32 rol32(__u32 word, unsigned int shift)
{
return (word << shift) | (word >> ((-shift) & 31));
@@ -170,53 +163,48 @@ struct lb_stats {
__u64 v1;
};
-struct bpf_map_def __attribute__ ((section("maps"), used)) vip_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(struct vip_definition),
- .value_size = sizeof(struct vip_meta),
- .max_entries = 512,
- .map_flags = 0,
-};
-
-struct bpf_map_def __attribute__ ((section("maps"), used)) lru_cache = {
- .type = BPF_MAP_TYPE_LRU_HASH,
- .key_size = sizeof(struct flow_key),
- .value_size = sizeof(struct real_pos_lru),
- .max_entries = 300,
- .map_flags = 1U << 1,
-};
-
-struct bpf_map_def __attribute__ ((section("maps"), used)) ch_rings = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(__u32),
- .max_entries = 12 * 655,
- .map_flags = 0,
-};
-
-struct bpf_map_def __attribute__ ((section("maps"), used)) reals = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct real_definition),
- .max_entries = 40,
- .map_flags = 0,
-};
-
-struct bpf_map_def __attribute__ ((section("maps"), used)) stats = {
- .type = BPF_MAP_TYPE_PERCPU_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct lb_stats),
- .max_entries = 515,
- .map_flags = 0,
-};
-
-struct bpf_map_def __attribute__ ((section("maps"), used)) ctl_array = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct ctl_value),
- .max_entries = 16,
- .map_flags = 0,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 512);
+ __type(key, struct vip_definition);
+ __type(value, struct vip_meta);
+} vip_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_LRU_HASH);
+ __uint(max_entries, 300);
+ __uint(map_flags, 1U << 1);
+ __type(key, struct flow_key);
+ __type(value, struct real_pos_lru);
+} lru_cache SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 12 * 655);
+ __type(key, __u32);
+ __type(value, __u32);
+} ch_rings SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 40);
+ __type(key, __u32);
+ __type(value, struct real_definition);
+} reals SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(max_entries, 515);
+ __type(key, __u32);
+ __type(value, struct lb_stats);
+} stats SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 16);
+ __type(key, __u32);
+ __type(value, struct ctl_value);
+} ctl_array SEC(".maps");
struct eth_hdr {
unsigned char eth_dest[6];
diff --git a/tools/testing/selftests/bpf/test_xdp_redirect.c b/tools/testing/selftests/bpf/progs/test_xdp_redirect.c
index ef9e704be140..ef9e704be140 100644
--- a/tools/testing/selftests/bpf/test_xdp_redirect.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_redirect.c
diff --git a/tools/testing/selftests/bpf/test_xdp_vlan.c b/tools/testing/selftests/bpf/progs/test_xdp_vlan.c
index 365a7d2d9f5c..365a7d2d9f5c 100644
--- a/tools/testing/selftests/bpf/test_xdp_vlan.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_vlan.c
diff --git a/tools/testing/selftests/bpf/xdp_dummy.c b/tools/testing/selftests/bpf/progs/xdp_dummy.c
index 43b0ef1001ed..43b0ef1001ed 100644
--- a/tools/testing/selftests/bpf/xdp_dummy.c
+++ b/tools/testing/selftests/bpf/progs/xdp_dummy.c
diff --git a/tools/testing/selftests/bpf/progs/xdp_redirect_map.c b/tools/testing/selftests/bpf/progs/xdp_redirect_map.c
new file mode 100644
index 000000000000..1c5f298d7196
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdp_redirect_map.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+struct {
+ __uint(type, BPF_MAP_TYPE_DEVMAP);
+ __uint(max_entries, 8);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} tx_port SEC(".maps");
+
+SEC("redirect_map_0")
+int xdp_redirect_map_0(struct xdp_md *xdp)
+{
+ return bpf_redirect_map(&tx_port, 0, 0);
+}
+
+SEC("redirect_map_1")
+int xdp_redirect_map_1(struct xdp_md *xdp)
+{
+ return bpf_redirect_map(&tx_port, 1, 0);
+}
+
+SEC("redirect_map_2")
+int xdp_redirect_map_2(struct xdp_md *xdp)
+{
+ return bpf_redirect_map(&tx_port, 2, 0);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/xdp_tx.c b/tools/testing/selftests/bpf/progs/xdp_tx.c
new file mode 100644
index 000000000000..57912e7c94b0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdp_tx.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+SEC("tx")
+int xdp_tx(struct xdp_md *xdp)
+{
+ return XDP_TX;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/xdping_kern.c b/tools/testing/selftests/bpf/progs/xdping_kern.c
new file mode 100644
index 000000000000..112a2857f4e2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdping_kern.c
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. */
+
+#define KBUILD_MODNAME "foo"
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/icmp.h>
+#include <linux/in.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/if_vlan.h>
+#include <linux/ip.h>
+
+#include "bpf_helpers.h"
+#include "bpf_endian.h"
+
+#include "xdping.h"
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 256);
+ __type(key, __u32);
+ __type(value, struct pinginfo);
+} ping_map SEC(".maps");
+
+static __always_inline void swap_src_dst_mac(void *data)
+{
+ unsigned short *p = data;
+ unsigned short dst[3];
+
+ dst[0] = p[0];
+ dst[1] = p[1];
+ dst[2] = p[2];
+ p[0] = p[3];
+ p[1] = p[4];
+ p[2] = p[5];
+ p[3] = dst[0];
+ p[4] = dst[1];
+ p[5] = dst[2];
+}
+
+static __always_inline __u16 csum_fold_helper(__wsum sum)
+{
+ sum = (sum & 0xffff) + (sum >> 16);
+ return ~((sum & 0xffff) + (sum >> 16));
+}
+
+static __always_inline __u16 ipv4_csum(void *data_start, int data_size)
+{
+ __wsum sum;
+
+ sum = bpf_csum_diff(0, 0, data_start, data_size, 0);
+ return csum_fold_helper(sum);
+}
+
+#define ICMP_ECHO_LEN 64
+
+static __always_inline int icmp_check(struct xdp_md *ctx, int type)
+{
+ void *data_end = (void *)(long)ctx->data_end;
+ void *data = (void *)(long)ctx->data;
+ struct ethhdr *eth = data;
+ struct icmphdr *icmph;
+ struct iphdr *iph;
+
+ if (data + sizeof(*eth) + sizeof(*iph) + ICMP_ECHO_LEN > data_end)
+ return XDP_PASS;
+
+ if (eth->h_proto != bpf_htons(ETH_P_IP))
+ return XDP_PASS;
+
+ iph = data + sizeof(*eth);
+
+ if (iph->protocol != IPPROTO_ICMP)
+ return XDP_PASS;
+
+ if (bpf_ntohs(iph->tot_len) - sizeof(*iph) != ICMP_ECHO_LEN)
+ return XDP_PASS;
+
+ icmph = data + sizeof(*eth) + sizeof(*iph);
+
+ if (icmph->type != type)
+ return XDP_PASS;
+
+ return XDP_TX;
+}
+
+SEC("xdpclient")
+int xdping_client(struct xdp_md *ctx)
+{
+ void *data_end = (void *)(long)ctx->data_end;
+ void *data = (void *)(long)ctx->data;
+ struct pinginfo *pinginfo = NULL;
+ struct ethhdr *eth = data;
+ struct icmphdr *icmph;
+ struct iphdr *iph;
+ __u64 recvtime;
+ __be32 raddr;
+ __be16 seq;
+ int ret;
+ __u8 i;
+
+ ret = icmp_check(ctx, ICMP_ECHOREPLY);
+
+ if (ret != XDP_TX)
+ return ret;
+
+ iph = data + sizeof(*eth);
+ icmph = data + sizeof(*eth) + sizeof(*iph);
+ raddr = iph->saddr;
+
+ /* Record time reply received. */
+ recvtime = bpf_ktime_get_ns();
+ pinginfo = bpf_map_lookup_elem(&ping_map, &raddr);
+ if (!pinginfo || pinginfo->seq != icmph->un.echo.sequence)
+ return XDP_PASS;
+
+ if (pinginfo->start) {
+#pragma clang loop unroll(full)
+ for (i = 0; i < XDPING_MAX_COUNT; i++) {
+ if (pinginfo->times[i] == 0)
+ break;
+ }
+ /* verifier is fussy here... */
+ if (i < XDPING_MAX_COUNT) {
+ pinginfo->times[i] = recvtime -
+ pinginfo->start;
+ pinginfo->start = 0;
+ i++;
+ }
+ /* No more space for values? */
+ if (i == pinginfo->count || i == XDPING_MAX_COUNT)
+ return XDP_PASS;
+ }
+
+ /* Now convert reply back into echo request. */
+ swap_src_dst_mac(data);
+ iph->saddr = iph->daddr;
+ iph->daddr = raddr;
+ icmph->type = ICMP_ECHO;
+ seq = bpf_htons(bpf_ntohs(icmph->un.echo.sequence) + 1);
+ icmph->un.echo.sequence = seq;
+ icmph->checksum = 0;
+ icmph->checksum = ipv4_csum(icmph, ICMP_ECHO_LEN);
+
+ pinginfo->seq = seq;
+ pinginfo->start = bpf_ktime_get_ns();
+
+ return XDP_TX;
+}
+
+SEC("xdpserver")
+int xdping_server(struct xdp_md *ctx)
+{
+ void *data_end = (void *)(long)ctx->data_end;
+ void *data = (void *)(long)ctx->data;
+ struct ethhdr *eth = data;
+ struct icmphdr *icmph;
+ struct iphdr *iph;
+ __be32 raddr;
+ int ret;
+
+ ret = icmp_check(ctx, ICMP_ECHO);
+
+ if (ret != XDP_TX)
+ return ret;
+
+ iph = data + sizeof(*eth);
+ icmph = data + sizeof(*eth) + sizeof(*iph);
+ raddr = iph->saddr;
+
+ /* Now convert request into echo reply. */
+ swap_src_dst_mac(data);
+ iph->saddr = iph->daddr;
+ iph->daddr = raddr;
+ icmph->type = ICMP_ECHOREPLY;
+ icmph->checksum = 0;
+ icmph->checksum = ipv4_csum(icmph, ICMP_ECHO_LEN);
+
+ return XDP_TX;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/socket_cookie_prog.c b/tools/testing/selftests/bpf/socket_cookie_prog.c
deleted file mode 100644
index 9ff8ac4b0bf6..000000000000
--- a/tools/testing/selftests/bpf/socket_cookie_prog.c
+++ /dev/null
@@ -1,60 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (c) 2018 Facebook
-
-#include <linux/bpf.h>
-#include <sys/socket.h>
-
-#include "bpf_helpers.h"
-#include "bpf_endian.h"
-
-struct bpf_map_def SEC("maps") socket_cookies = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(__u64),
- .value_size = sizeof(__u32),
- .max_entries = 1 << 8,
-};
-
-SEC("cgroup/connect6")
-int set_cookie(struct bpf_sock_addr *ctx)
-{
- __u32 cookie_value = 0xFF;
- __u64 cookie_key;
-
- if (ctx->family != AF_INET6 || ctx->user_family != AF_INET6)
- return 1;
-
- cookie_key = bpf_get_socket_cookie(ctx);
- if (bpf_map_update_elem(&socket_cookies, &cookie_key, &cookie_value, 0))
- return 0;
-
- return 1;
-}
-
-SEC("sockops")
-int update_cookie(struct bpf_sock_ops *ctx)
-{
- __u32 new_cookie_value;
- __u32 *cookie_value;
- __u64 cookie_key;
-
- if (ctx->family != AF_INET6)
- return 1;
-
- if (ctx->op != BPF_SOCK_OPS_TCP_CONNECT_CB)
- return 1;
-
- cookie_key = bpf_get_socket_cookie(ctx);
-
- cookie_value = bpf_map_lookup_elem(&socket_cookies, &cookie_key);
- if (!cookie_value)
- return 1;
-
- new_cookie_value = (ctx->local_port << 8) | *cookie_value;
- bpf_map_update_elem(&socket_cookies, &cookie_key, &new_cookie_value, 0);
-
- return 1;
-}
-
-int _version SEC("version") = 1;
-
-char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/sockmap_verdict_prog.c b/tools/testing/selftests/bpf/sockmap_verdict_prog.c
deleted file mode 100644
index 2ce7634a4012..000000000000
--- a/tools/testing/selftests/bpf/sockmap_verdict_prog.c
+++ /dev/null
@@ -1,73 +0,0 @@
-#include <linux/bpf.h>
-#include "bpf_helpers.h"
-#include "bpf_util.h"
-#include "bpf_endian.h"
-
-int _version SEC("version") = 1;
-
-#define bpf_printk(fmt, ...) \
-({ \
- char ____fmt[] = fmt; \
- bpf_trace_printk(____fmt, sizeof(____fmt), \
- ##__VA_ARGS__); \
-})
-
-struct bpf_map_def SEC("maps") sock_map_rx = {
- .type = BPF_MAP_TYPE_SOCKMAP,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 20,
-};
-
-struct bpf_map_def SEC("maps") sock_map_tx = {
- .type = BPF_MAP_TYPE_SOCKMAP,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 20,
-};
-
-struct bpf_map_def SEC("maps") sock_map_msg = {
- .type = BPF_MAP_TYPE_SOCKMAP,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 20,
-};
-
-struct bpf_map_def SEC("maps") sock_map_break = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 20,
-};
-
-SEC("sk_skb2")
-int bpf_prog2(struct __sk_buff *skb)
-{
- void *data_end = (void *)(long) skb->data_end;
- void *data = (void *)(long) skb->data;
- __u32 lport = skb->local_port;
- __u32 rport = skb->remote_port;
- __u8 *d = data;
- __u8 sk, map;
-
- if (data + 8 > data_end)
- return SK_DROP;
-
- map = d[0];
- sk = d[1];
-
- d[0] = 0xd;
- d[1] = 0xe;
- d[2] = 0xa;
- d[3] = 0xd;
- d[4] = 0xb;
- d[5] = 0xe;
- d[6] = 0xe;
- d[7] = 0xf;
-
- if (!map)
- return bpf_sk_redirect_map(skb, &sock_map_rx, sk, 0);
- return bpf_sk_redirect_map(skb, &sock_map_tx, sk, 0);
-}
-
-char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/tcp_client.py b/tools/testing/selftests/bpf/tcp_client.py
index 7f8200a8702b..a53ed58528d6 100755
--- a/tools/testing/selftests/bpf/tcp_client.py
+++ b/tools/testing/selftests/bpf/tcp_client.py
@@ -30,12 +30,11 @@ def send(sock, s):
serverPort = int(sys.argv[1])
-HostName = socket.gethostname()
# create active socket
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
try:
- sock.connect((HostName, serverPort))
+ sock.connect(('localhost', serverPort))
except socket.error as e:
sys.exit(1)
diff --git a/tools/testing/selftests/bpf/tcp_server.py b/tools/testing/selftests/bpf/tcp_server.py
index b39903fca4c8..0ca60d193bed 100755
--- a/tools/testing/selftests/bpf/tcp_server.py
+++ b/tools/testing/selftests/bpf/tcp_server.py
@@ -35,13 +35,10 @@ MAX_PORTS = 2
serverPort = SERVER_PORT
serverSocket = None
-HostName = socket.gethostname()
-
# create passive socket
serverSocket = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
-host = socket.gethostname()
-try: serverSocket.bind((host, 0))
+try: serverSocket.bind(('localhost', 0))
except socket.error as msg:
print('bind fails: ' + str(msg))
diff --git a/tools/testing/selftests/bpf/test_align.c b/tools/testing/selftests/bpf/test_align.c
index 3c789d03b629..0262f7b374f9 100644
--- a/tools/testing/selftests/bpf/test_align.c
+++ b/tools/testing/selftests/bpf/test_align.c
@@ -180,7 +180,7 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {7, "R0=pkt(id=0,off=8,r=8,imm=0)"},
+ {7, "R0_w=pkt(id=0,off=8,r=8,imm=0)"},
{7, "R3_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"},
{8, "R3_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"},
{9, "R3_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
@@ -315,7 +315,7 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {8, "R2=pkt(id=0,off=0,r=8,imm=0)"},
+ {8, "R2_w=pkt(id=0,off=0,r=8,imm=0)"},
{8, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
/* Offset is added to packet pointer R5, resulting in
* known fixed offset, and variable offset from R6.
@@ -405,7 +405,7 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {8, "R2=pkt(id=0,off=0,r=8,imm=0)"},
+ {8, "R2_w=pkt(id=0,off=0,r=8,imm=0)"},
{8, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
/* Adding 14 makes R6 be (4n+2) */
{9, "R6_w=inv(id=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"},
@@ -473,12 +473,12 @@ static struct bpf_align_test tests[] = {
/* (4n) + 14 == (4n+2). We blow our bounds, because
* the add could overflow.
*/
- {7, "R5=inv(id=0,var_off=(0x2; 0xfffffffffffffffc))"},
+ {7, "R5_w=inv(id=0,var_off=(0x2; 0xfffffffffffffffc))"},
/* Checked s>=0 */
{9, "R5=inv(id=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
/* packet pointer + nonnegative (4n+2) */
{11, "R6_w=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
- {13, "R4=pkt(id=1,off=4,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
+ {13, "R4_w=pkt(id=1,off=4,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
/* NET_IP_ALIGN + (4n+2) == (4n), alignment is fine.
* We checked the bounds, but it might have been able
* to overflow if the packet pointer started in the
@@ -486,7 +486,7 @@ static struct bpf_align_test tests[] = {
* So we did not get a 'range' on R6, and the access
* attempt will fail.
*/
- {15, "R6=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
+ {15, "R6_w=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
}
},
{
@@ -521,7 +521,7 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {7, "R2=pkt(id=0,off=0,r=8,imm=0)"},
+ {7, "R2_w=pkt(id=0,off=0,r=8,imm=0)"},
{9, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
/* Adding 14 makes R6 be (4n+2) */
{10, "R6_w=inv(id=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"},
@@ -574,7 +574,7 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {7, "R2=pkt(id=0,off=0,r=8,imm=0)"},
+ {7, "R2_w=pkt(id=0,off=0,r=8,imm=0)"},
{10, "R6_w=inv(id=0,umax_value=60,var_off=(0x0; 0x3c))"},
/* Adding 14 makes R6 be (4n+2) */
{11, "R6_w=inv(id=0,umin_value=14,umax_value=74,var_off=(0x2; 0x7c))"},
diff --git a/tools/testing/selftests/bpf/test_btf.c b/tools/testing/selftests/bpf/test_btf.c
index 91420fa83b08..8351cb5f4a20 100644
--- a/tools/testing/selftests/bpf/test_btf.c
+++ b/tools/testing/selftests/bpf/test_btf.c
@@ -18,11 +18,13 @@
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
+#include <assert.h>
#include <bpf/libbpf.h>
#include <bpf/btf.h>
#include "bpf_rlimit.h"
#include "bpf_util.h"
+#include "test_btf.h"
#define MAX_INSNS 512
#define MAX_SUBPROGS 16
@@ -51,65 +53,19 @@ static int count_result(int err)
return err;
}
-#define __printf(a, b) __attribute__((format(printf, a, b)))
-
-__printf(1, 2)
-static int __base_pr(const char *format, ...)
+static int __base_pr(enum libbpf_print_level level __attribute__((unused)),
+ const char *format, va_list args)
{
- va_list args;
- int err;
-
- va_start(args, format);
- err = vfprintf(stderr, format, args);
- va_end(args);
- return err;
+ return vfprintf(stderr, format, args);
}
-#define BTF_INFO_ENC(kind, kind_flag, vlen) \
- ((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN))
-
-#define BTF_TYPE_ENC(name, info, size_or_type) \
- (name), (info), (size_or_type)
-
-#define BTF_INT_ENC(encoding, bits_offset, nr_bits) \
- ((encoding) << 24 | (bits_offset) << 16 | (nr_bits))
-#define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \
- BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \
- BTF_INT_ENC(encoding, bits_offset, bits)
-
-#define BTF_ARRAY_ENC(type, index_type, nr_elems) \
- (type), (index_type), (nr_elems)
-#define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \
- BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \
- BTF_ARRAY_ENC(type, index_type, nr_elems)
-
-#define BTF_MEMBER_ENC(name, type, bits_offset) \
- (name), (type), (bits_offset)
-#define BTF_ENUM_ENC(name, val) (name), (val)
-#define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \
- ((bitfield_size) << 24 | (bits_offset))
-
-#define BTF_TYPEDEF_ENC(name, type) \
- BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type)
-
-#define BTF_PTR_ENC(type) \
- BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type)
-
-#define BTF_CONST_ENC(type) \
- BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), type)
-
-#define BTF_FUNC_PROTO_ENC(ret_type, nargs) \
- BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, nargs), ret_type)
-
-#define BTF_FUNC_PROTO_ARG_ENC(name, type) \
- (name), (type)
-
-#define BTF_FUNC_ENC(name, func_proto) \
- BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), func_proto)
-
#define BTF_END_RAW 0xdeadbeef
#define NAME_TBD 0xdeadb33f
+#define NAME_NTH(N) (0xffff0000 | N)
+#define IS_NAME_NTH(X) ((X & 0xffff0000) == 0xffff0000)
+#define GET_NAME_NTH_IDX(X) (X & 0x0000ffff)
+
#define MAX_NR_RAW_U32 1024
#define BTF_LOG_BUF_SIZE 65535
@@ -118,12 +74,14 @@ static struct args {
unsigned int file_test_num;
unsigned int get_info_test_num;
unsigned int info_raw_test_num;
+ unsigned int dedup_test_num;
bool raw_test;
bool file_test;
bool get_info_test;
bool pprint_test;
bool always_log;
bool info_raw_test;
+ bool dedup_test;
} args;
static char btf_log_buf[BTF_LOG_BUF_SIZE];
@@ -134,6 +92,12 @@ static struct btf_header hdr_tmpl = {
.hdr_len = sizeof(struct btf_header),
};
+/* several different mapv kinds(types) supported by pprint */
+enum pprint_mapv_kind_t {
+ PPRINT_MAPV_KIND_BASIC = 0,
+ PPRINT_MAPV_KIND_INT128,
+};
+
struct btf_raw_test {
const char *descr;
const char *str_sec;
@@ -156,6 +120,7 @@ struct btf_raw_test {
int type_off_delta;
int str_off_delta;
int str_len_delta;
+ enum pprint_mapv_kind_t mapv_kind;
};
#define BTF_STR_SEC(str) \
@@ -270,7 +235,6 @@ static struct btf_raw_test raw_tests[] = {
.value_type_id = 3,
.max_entries = 4,
},
-
{
.descr = "struct test #3 Invalid member offset",
.raw_types = {
@@ -298,7 +262,664 @@ static struct btf_raw_test raw_tests[] = {
.btf_load_err = true,
.err_str = "Invalid member bits_offset",
},
-
+/*
+ * struct A {
+ * unsigned long long m;
+ * int n;
+ * char o;
+ * [3 bytes hole]
+ * int p[8];
+ * };
+ */
+{
+ .descr = "global data test #1",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* unsigned long long */
+ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
+ /* char */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
+ /* int[8] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
+ /* struct A { */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
+ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
+ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
+ /* } */
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0m\0n\0o\0p",
+ .str_sec_size = sizeof("\0A\0m\0n\0o\0p"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = "struct_test1_map",
+ .key_size = sizeof(int),
+ .value_size = 48,
+ .key_type_id = 1,
+ .value_type_id = 5,
+ .max_entries = 4,
+},
+/*
+ * struct A {
+ * unsigned long long m;
+ * int n;
+ * char o;
+ * [3 bytes hole]
+ * int p[8];
+ * };
+ * static struct A t; <- in .bss
+ */
+{
+ .descr = "global data test #2",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* unsigned long long */
+ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
+ /* char */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
+ /* int[8] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
+ /* struct A { */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
+ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
+ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
+ /* } */
+ /* static struct A t */
+ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
+ /* .bss section */ /* [7] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48),
+ BTF_VAR_SECINFO_ENC(6, 0, 48),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
+ .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 48,
+ .key_type_id = 0,
+ .value_type_id = 7,
+ .max_entries = 1,
+},
+{
+ .descr = "global data test #3",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* static int t */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
+ /* .bss section */ /* [3] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(2, 0, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0t\0.bss",
+ .str_sec_size = sizeof("\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 3,
+ .max_entries = 1,
+},
+{
+ .descr = "global data test #4, unsupported linkage",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* static int t */
+ BTF_VAR_ENC(NAME_TBD, 1, 2), /* [2] */
+ /* .bss section */ /* [3] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(2, 0, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0t\0.bss",
+ .str_sec_size = sizeof("\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 3,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Linkage not supported",
+},
+{
+ .descr = "global data test #5, invalid var type",
+ .raw_types = {
+ /* static void t */
+ BTF_VAR_ENC(NAME_TBD, 0, 0), /* [1] */
+ /* .bss section */ /* [2] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(1, 0, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0t\0.bss",
+ .str_sec_size = sizeof("\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 2,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid type_id",
+},
+{
+ .descr = "global data test #6, invalid var type (fwd type)",
+ .raw_types = {
+ /* union A */
+ BTF_TYPE_ENC(NAME_TBD,
+ BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */
+ /* static union A t */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
+ /* .bss section */ /* [3] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(2, 0, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0.bss",
+ .str_sec_size = sizeof("\0A\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 2,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid type",
+},
+{
+ .descr = "global data test #7, invalid var type (fwd type)",
+ .raw_types = {
+ /* union A */
+ BTF_TYPE_ENC(NAME_TBD,
+ BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */
+ /* static union A t */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
+ /* .bss section */ /* [3] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(1, 0, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0.bss",
+ .str_sec_size = sizeof("\0A\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 2,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid type",
+},
+{
+ .descr = "global data test #8, invalid var size",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* unsigned long long */
+ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
+ /* char */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
+ /* int[8] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
+ /* struct A { */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
+ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
+ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
+ /* } */
+ /* static struct A t */
+ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
+ /* .bss section */ /* [7] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48),
+ BTF_VAR_SECINFO_ENC(6, 0, 47),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
+ .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 48,
+ .key_type_id = 0,
+ .value_type_id = 7,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid size",
+},
+{
+ .descr = "global data test #9, invalid var size",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* unsigned long long */
+ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
+ /* char */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
+ /* int[8] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
+ /* struct A { */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
+ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
+ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
+ /* } */
+ /* static struct A t */
+ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
+ /* .bss section */ /* [7] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46),
+ BTF_VAR_SECINFO_ENC(6, 0, 48),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
+ .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 48,
+ .key_type_id = 0,
+ .value_type_id = 7,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid size",
+},
+{
+ .descr = "global data test #10, invalid var size",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* unsigned long long */
+ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
+ /* char */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
+ /* int[8] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
+ /* struct A { */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
+ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
+ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
+ /* } */
+ /* static struct A t */
+ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
+ /* .bss section */ /* [7] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46),
+ BTF_VAR_SECINFO_ENC(6, 0, 46),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
+ .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 48,
+ .key_type_id = 0,
+ .value_type_id = 7,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid size",
+},
+{
+ .descr = "global data test #11, multiple section members",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* unsigned long long */
+ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
+ /* char */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
+ /* int[8] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
+ /* struct A { */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
+ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
+ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
+ /* } */
+ /* static struct A t */
+ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
+ /* static int u */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */
+ /* .bss section */ /* [8] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
+ BTF_VAR_SECINFO_ENC(6, 10, 48),
+ BTF_VAR_SECINFO_ENC(7, 58, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
+ .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 62,
+ .key_type_id = 0,
+ .value_type_id = 8,
+ .max_entries = 1,
+},
+{
+ .descr = "global data test #12, invalid offset",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* unsigned long long */
+ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
+ /* char */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
+ /* int[8] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
+ /* struct A { */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
+ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
+ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
+ /* } */
+ /* static struct A t */
+ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
+ /* static int u */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */
+ /* .bss section */ /* [8] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
+ BTF_VAR_SECINFO_ENC(6, 10, 48),
+ BTF_VAR_SECINFO_ENC(7, 60, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
+ .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 62,
+ .key_type_id = 0,
+ .value_type_id = 8,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid offset+size",
+},
+{
+ .descr = "global data test #13, invalid offset",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* unsigned long long */
+ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
+ /* char */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
+ /* int[8] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
+ /* struct A { */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
+ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
+ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
+ /* } */
+ /* static struct A t */
+ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
+ /* static int u */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */
+ /* .bss section */ /* [8] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
+ BTF_VAR_SECINFO_ENC(6, 10, 48),
+ BTF_VAR_SECINFO_ENC(7, 12, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
+ .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 62,
+ .key_type_id = 0,
+ .value_type_id = 8,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid offset",
+},
+{
+ .descr = "global data test #14, invalid offset",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* unsigned long long */
+ BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
+ /* char */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
+ /* int[8] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
+ /* struct A { */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
+ BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
+ BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
+ /* } */
+ /* static struct A t */
+ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
+ /* static int u */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */
+ /* .bss section */ /* [8] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
+ BTF_VAR_SECINFO_ENC(7, 58, 4),
+ BTF_VAR_SECINFO_ENC(6, 10, 48),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
+ .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 62,
+ .key_type_id = 0,
+ .value_type_id = 8,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid offset",
+},
+{
+ .descr = "global data test #15, not var kind",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
+ /* .bss section */ /* [3] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(1, 0, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0.bss",
+ .str_sec_size = sizeof("\0A\0t\0.bss"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 3,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Not a VAR kind member",
+},
+{
+ .descr = "global data test #16, invalid var referencing sec",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_VAR_ENC(NAME_TBD, 5, 0), /* [2] */
+ BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */
+ /* a section */ /* [4] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(3, 0, 4),
+ /* a section */ /* [5] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(6, 0, 4),
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [6] */
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0s\0a\0a",
+ .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 4,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid type_id",
+},
+{
+ .descr = "global data test #17, invalid var referencing var",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
+ BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */
+ /* a section */ /* [4] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(3, 0, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0s\0a\0a",
+ .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 4,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid type_id",
+},
+{
+ .descr = "global data test #18, invalid var loop",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_VAR_ENC(NAME_TBD, 2, 0), /* [2] */
+ /* .bss section */ /* [3] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(2, 0, 4),
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0aaa",
+ .str_sec_size = sizeof("\0A\0t\0aaa"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 4,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid type_id",
+},
+{
+ .descr = "global data test #19, invalid var referencing var",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_VAR_ENC(NAME_TBD, 3, 0), /* [2] */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0s\0a\0a",
+ .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 4,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid type_id",
+},
+{
+ .descr = "global data test #20, invalid ptr referencing var",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* PTR type_id=3 */ /* [2] */
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3),
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0s\0a\0a",
+ .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 4,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid type_id",
+},
+{
+ .descr = "global data test #21, var included in struct",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* struct A { */ /* [2] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2),
+ BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
+ BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* VAR type_id=3; */
+ /* } */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0s\0a\0a",
+ .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 4,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid member",
+},
+{
+ .descr = "global data test #22, array of var",
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */
+ BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */
+ BTF_END_RAW,
+ },
+ .str_sec = "\0A\0t\0s\0a\0a",
+ .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = ".bss",
+ .key_size = sizeof(int),
+ .value_size = 4,
+ .key_type_id = 0,
+ .value_type_id = 4,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Invalid elem",
+},
/* Test member exceeds the size of struct.
*
* struct A {
@@ -1954,7 +2575,7 @@ static struct btf_raw_test raw_tests[] = {
/* void (*)(int a, unsigned int <bad_name_off>) */
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
- BTF_FUNC_PROTO_ARG_ENC(0xffffffff, 2),
+ BTF_FUNC_PROTO_ARG_ENC(0x0fffffff, 2),
BTF_END_RAW,
},
.str_sec = "\0a",
@@ -2704,6 +3325,99 @@ static struct btf_raw_test raw_tests[] = {
.err_str = "Invalid member offset",
},
+{
+ .descr = "128-bit int",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0A"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = "int_type_check_btf",
+ .key_size = sizeof(int),
+ .value_size = sizeof(int),
+ .key_type_id = 1,
+ .value_type_id = 1,
+ .max_entries = 4,
+},
+
+{
+ .descr = "struct, 128-bit int member",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0A"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = "struct_type_check_btf",
+ .key_size = sizeof(int),
+ .value_size = sizeof(int),
+ .key_type_id = 1,
+ .value_type_id = 1,
+ .max_entries = 4,
+},
+
+{
+ .descr = "struct, 120-bit int member bitfield",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 120, 16), /* [2] */
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0A"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = "struct_type_check_btf",
+ .key_size = sizeof(int),
+ .value_size = sizeof(int),
+ .key_type_id = 1,
+ .value_type_id = 1,
+ .max_entries = 4,
+},
+
+{
+ .descr = "struct, kind_flag, 128-bit int member",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */
+ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0A"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = "struct_type_check_btf",
+ .key_size = sizeof(int),
+ .value_size = sizeof(int),
+ .key_type_id = 1,
+ .value_type_id = 1,
+ .max_entries = 4,
+},
+
+{
+ .descr = "struct, kind_flag, 120-bit int member bitfield",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */
+ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(120, 0)),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0A"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = "struct_type_check_btf",
+ .key_size = sizeof(int),
+ .value_size = sizeof(int),
+ .key_type_id = 1,
+ .value_type_id = 1,
+ .max_entries = 4,
+},
+
}; /* struct btf_raw_test raw_tests[] */
static const char *get_next_str(const char *start, const char *end)
@@ -2731,11 +3445,13 @@ static void *btf_raw_create(const struct btf_header *hdr,
const char **ret_next_str)
{
const char *next_str = str, *end_str = str + str_sec_size;
+ const char **strs_idx = NULL, **tmp_strs_idx;
+ int strs_cap = 0, strs_cnt = 0, next_str_idx = 0;
unsigned int size_needed, offset;
struct btf_header *ret_hdr;
- int i, type_sec_size;
+ int i, type_sec_size, err = 0;
uint32_t *ret_types;
- void *raw_btf;
+ void *raw_btf = NULL;
type_sec_size = get_raw_sec_size(raw_types);
if (CHECK(type_sec_size < 0, "Cannot get nr_raw_types"))
@@ -2750,17 +3466,44 @@ static void *btf_raw_create(const struct btf_header *hdr,
memcpy(raw_btf, hdr, sizeof(*hdr));
offset = sizeof(*hdr);
+ /* Index strings */
+ while ((next_str = get_next_str(next_str, end_str))) {
+ if (strs_cnt == strs_cap) {
+ strs_cap += max(16, strs_cap / 2);
+ tmp_strs_idx = realloc(strs_idx,
+ sizeof(*strs_idx) * strs_cap);
+ if (CHECK(!tmp_strs_idx,
+ "Cannot allocate memory for strs_idx")) {
+ err = -1;
+ goto done;
+ }
+ strs_idx = tmp_strs_idx;
+ }
+ strs_idx[strs_cnt++] = next_str;
+ next_str += strlen(next_str);
+ }
+
/* Copy type section */
ret_types = raw_btf + offset;
for (i = 0; i < type_sec_size / sizeof(raw_types[0]); i++) {
if (raw_types[i] == NAME_TBD) {
- next_str = get_next_str(next_str, end_str);
- if (CHECK(!next_str, "Error in getting next_str")) {
- free(raw_btf);
- return NULL;
+ if (CHECK(next_str_idx == strs_cnt,
+ "Error in getting next_str #%d",
+ next_str_idx)) {
+ err = -1;
+ goto done;
}
- ret_types[i] = next_str - str;
- next_str += strlen(next_str);
+ ret_types[i] = strs_idx[next_str_idx++] - str;
+ } else if (IS_NAME_NTH(raw_types[i])) {
+ int idx = GET_NAME_NTH_IDX(raw_types[i]);
+
+ if (CHECK(idx <= 0 || idx > strs_cnt,
+ "Error getting string #%d, strs_cnt:%d",
+ idx, strs_cnt)) {
+ err = -1;
+ goto done;
+ }
+ ret_types[i] = strs_idx[idx-1] - str;
} else {
ret_types[i] = raw_types[i];
}
@@ -2777,8 +3520,17 @@ static void *btf_raw_create(const struct btf_header *hdr,
*btf_size = size_needed;
if (ret_next_str)
- *ret_next_str = next_str;
+ *ret_next_str =
+ next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL;
+done:
+ if (err) {
+ if (raw_btf)
+ free(raw_btf);
+ if (strs_idx)
+ free(strs_idx);
+ return NULL;
+ }
return raw_btf;
}
@@ -3264,71 +4016,18 @@ struct btf_file_test {
};
static struct btf_file_test file_tests[] = {
-{
- .file = "test_btf_haskv.o",
-},
-{
- .file = "test_btf_nokv.o",
- .btf_kv_notfound = true,
-},
+ { .file = "test_btf_haskv.o", },
+ { .file = "test_btf_newkv.o", },
+ { .file = "test_btf_nokv.o", .btf_kv_notfound = true, },
};
-static int file_has_btf_elf(const char *fn, bool *has_btf_ext)
-{
- Elf_Scn *scn = NULL;
- GElf_Ehdr ehdr;
- int ret = 0;
- int elf_fd;
- Elf *elf;
-
- if (CHECK(elf_version(EV_CURRENT) == EV_NONE,
- "elf_version(EV_CURRENT) == EV_NONE"))
- return -1;
-
- elf_fd = open(fn, O_RDONLY);
- if (CHECK(elf_fd == -1, "open(%s): errno:%d", fn, errno))
- return -1;
-
- elf = elf_begin(elf_fd, ELF_C_READ, NULL);
- if (CHECK(!elf, "elf_begin(%s): %s", fn, elf_errmsg(elf_errno()))) {
- ret = -1;
- goto done;
- }
-
- if (CHECK(!gelf_getehdr(elf, &ehdr), "!gelf_getehdr(%s)", fn)) {
- ret = -1;
- goto done;
- }
-
- while ((scn = elf_nextscn(elf, scn))) {
- const char *sh_name;
- GElf_Shdr sh;
-
- if (CHECK(gelf_getshdr(scn, &sh) != &sh,
- "file:%s gelf_getshdr != &sh", fn)) {
- ret = -1;
- goto done;
- }
-
- sh_name = elf_strptr(elf, ehdr.e_shstrndx, sh.sh_name);
- if (!strcmp(sh_name, BTF_ELF_SEC))
- ret = 1;
- if (!strcmp(sh_name, BTF_EXT_ELF_SEC))
- *has_btf_ext = true;
- }
-
-done:
- close(elf_fd);
- elf_end(elf);
- return ret;
-}
-
static int do_test_file(unsigned int test_num)
{
const struct btf_file_test *test = &file_tests[test_num - 1];
const char *expected_fnames[] = {"_dummy_tracepoint",
"test_long_fname_1",
"test_long_fname_2"};
+ struct btf_ext *btf_ext = NULL;
struct bpf_prog_info info = {};
struct bpf_object *obj = NULL;
struct bpf_func_info *finfo;
@@ -3343,15 +4042,19 @@ static int do_test_file(unsigned int test_num)
fprintf(stderr, "BTF libbpf test[%u] (%s): ", test_num,
test->file);
- err = file_has_btf_elf(test->file, &has_btf_ext);
- if (err == -1)
- return err;
-
- if (err == 0) {
- fprintf(stderr, "SKIP. No ELF %s found", BTF_ELF_SEC);
- skip_cnt++;
- return 0;
+ btf = btf__parse_elf(test->file, &btf_ext);
+ if (IS_ERR(btf)) {
+ if (PTR_ERR(btf) == -ENOENT) {
+ fprintf(stderr, "SKIP. No ELF %s found", BTF_ELF_SEC);
+ skip_cnt++;
+ return 0;
+ }
+ return PTR_ERR(btf);
}
+ btf__free(btf);
+
+ has_btf_ext = btf_ext != NULL;
+ btf_ext__free(btf_ext);
obj = bpf_object__open(test->file);
if (CHECK(IS_ERR(obj), "obj: %ld", PTR_ERR(obj)))
@@ -3525,8 +4228,19 @@ struct pprint_mapv {
} aenum;
uint32_t ui32b;
uint32_t bits2c:2;
+ uint8_t si8_4[2][2];
};
+#ifdef __SIZEOF_INT128__
+struct pprint_mapv_int128 {
+ __int128 si128a;
+ __int128 si128b;
+ unsigned __int128 bits3:3;
+ unsigned __int128 bits80:80;
+ unsigned __int128 ui128;
+};
+#endif
+
static struct btf_raw_test pprint_test_template[] = {
{
.raw_types = {
@@ -3567,7 +4281,7 @@ static struct btf_raw_test pprint_test_template[] = {
BTF_ENUM_ENC(NAME_TBD, 2),
BTF_ENUM_ENC(NAME_TBD, 3),
/* struct pprint_mapv */ /* [16] */
- BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 10), 40),
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40),
BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */
BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */
BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */
@@ -3578,9 +4292,12 @@ static struct btf_raw_test pprint_test_template[] = {
BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */
BTF_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */
BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */
+ BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */
+ BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */
BTF_END_RAW,
},
- BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c"),
+ BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"),
.key_size = sizeof(unsigned int),
.value_size = sizeof(struct pprint_mapv),
.key_type_id = 3, /* unsigned int */
@@ -3629,7 +4346,7 @@ static struct btf_raw_test pprint_test_template[] = {
BTF_ENUM_ENC(NAME_TBD, 2),
BTF_ENUM_ENC(NAME_TBD, 3),
/* struct pprint_mapv */ /* [16] */
- BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 10), 40),
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
@@ -3640,9 +4357,12 @@ static struct btf_raw_test pprint_test_template[] = {
BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
+ BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */
+ BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */
BTF_END_RAW,
},
- BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c"),
+ BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"),
.key_size = sizeof(unsigned int),
.value_size = sizeof(struct pprint_mapv),
.key_type_id = 3, /* unsigned int */
@@ -3693,7 +4413,7 @@ static struct btf_raw_test pprint_test_template[] = {
BTF_ENUM_ENC(NAME_TBD, 2),
BTF_ENUM_ENC(NAME_TBD, 3),
/* struct pprint_mapv */ /* [16] */
- BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 10), 40),
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
@@ -3704,13 +4424,16 @@ static struct btf_raw_test pprint_test_template[] = {
BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
+ BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)), /* si8_4 */
/* typedef unsigned int ___int */ /* [17] */
BTF_TYPEDEF_ENC(NAME_TBD, 18),
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */
+ BTF_TYPE_ARRAY_ENC(21, 1, 2), /* [20] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [21] */
BTF_END_RAW,
},
- BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0___int"),
+ BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0___int\0si8_4"),
.key_size = sizeof(unsigned int),
.value_size = sizeof(struct pprint_mapv),
.key_type_id = 3, /* unsigned int */
@@ -3718,6 +4441,35 @@ static struct btf_raw_test pprint_test_template[] = {
.max_entries = 128 * 1024,
},
+#ifdef __SIZEOF_INT128__
+{
+ /* test int128 */
+ .raw_types = {
+ /* unsigned int */ /* [1] */
+ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
+ /* __int128 */ /* [2] */
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16),
+ /* unsigned __int128 */ /* [3] */
+ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16),
+ /* struct pprint_mapv_int128 */ /* [4] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64),
+ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */
+ BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */
+ BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */
+ BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */
+ BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"),
+ .key_size = sizeof(unsigned int),
+ .value_size = sizeof(struct pprint_mapv_int128),
+ .key_type_id = 1,
+ .value_type_id = 4,
+ .max_entries = 128 * 1024,
+ .mapv_kind = PPRINT_MAPV_KIND_INT128,
+},
+#endif
+
};
static struct btf_pprint_test_meta {
@@ -3784,24 +4536,114 @@ static struct btf_pprint_test_meta {
};
+static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind)
+{
+ if (mapv_kind == PPRINT_MAPV_KIND_BASIC)
+ return sizeof(struct pprint_mapv);
+
+#ifdef __SIZEOF_INT128__
+ if (mapv_kind == PPRINT_MAPV_KIND_INT128)
+ return sizeof(struct pprint_mapv_int128);
+#endif
+
+ assert(0);
+}
-static void set_pprint_mapv(struct pprint_mapv *v, uint32_t i,
+static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind,
+ void *mapv, uint32_t i,
int num_cpus, int rounded_value_size)
{
int cpu;
- for (cpu = 0; cpu < num_cpus; cpu++) {
- v->ui32 = i + cpu;
- v->si32 = -i;
- v->unused_bits2a = 3;
- v->bits28 = i;
- v->unused_bits2b = 3;
- v->ui64 = i;
- v->aenum = i & 0x03;
- v->ui32b = 4;
- v->bits2c = 1;
- v = (void *)v + rounded_value_size;
+ if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
+ struct pprint_mapv *v = mapv;
+
+ for (cpu = 0; cpu < num_cpus; cpu++) {
+ v->ui32 = i + cpu;
+ v->si32 = -i;
+ v->unused_bits2a = 3;
+ v->bits28 = i;
+ v->unused_bits2b = 3;
+ v->ui64 = i;
+ v->aenum = i & 0x03;
+ v->ui32b = 4;
+ v->bits2c = 1;
+ v->si8_4[0][0] = (cpu + i) & 0xff;
+ v->si8_4[0][1] = (cpu + i + 1) & 0xff;
+ v->si8_4[1][0] = (cpu + i + 2) & 0xff;
+ v->si8_4[1][1] = (cpu + i + 3) & 0xff;
+ v = (void *)v + rounded_value_size;
+ }
+ }
+
+#ifdef __SIZEOF_INT128__
+ if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
+ struct pprint_mapv_int128 *v = mapv;
+
+ for (cpu = 0; cpu < num_cpus; cpu++) {
+ v->si128a = i;
+ v->si128b = -i;
+ v->bits3 = i & 0x07;
+ v->bits80 = (((unsigned __int128)1) << 64) + i;
+ v->ui128 = (((unsigned __int128)2) << 64) + i;
+ v = (void *)v + rounded_value_size;
+ }
}
+#endif
+}
+
+ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind,
+ char *expected_line, ssize_t line_size,
+ bool percpu_map, unsigned int next_key,
+ int cpu, void *mapv)
+{
+ ssize_t nexpected_line = -1;
+
+ if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
+ struct pprint_mapv *v = mapv;
+
+ nexpected_line = snprintf(expected_line, line_size,
+ "%s%u: {%u,0,%d,0x%x,0x%x,0x%x,"
+ "{%lu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s,"
+ "%u,0x%x,[[%d,%d],[%d,%d]]}\n",
+ percpu_map ? "\tcpu" : "",
+ percpu_map ? cpu : next_key,
+ v->ui32, v->si32,
+ v->unused_bits2a,
+ v->bits28,
+ v->unused_bits2b,
+ v->ui64,
+ v->ui8a[0], v->ui8a[1],
+ v->ui8a[2], v->ui8a[3],
+ v->ui8a[4], v->ui8a[5],
+ v->ui8a[6], v->ui8a[7],
+ pprint_enum_str[v->aenum],
+ v->ui32b,
+ v->bits2c,
+ v->si8_4[0][0], v->si8_4[0][1],
+ v->si8_4[1][0], v->si8_4[1][1]);
+ }
+
+#ifdef __SIZEOF_INT128__
+ if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
+ struct pprint_mapv_int128 *v = mapv;
+
+ nexpected_line = snprintf(expected_line, line_size,
+ "%s%u: {0x%lx,0x%lx,0x%lx,"
+ "0x%lx%016lx,0x%lx%016lx}\n",
+ percpu_map ? "\tcpu" : "",
+ percpu_map ? cpu : next_key,
+ (uint64_t)v->si128a,
+ (uint64_t)v->si128b,
+ (uint64_t)v->bits3,
+ (uint64_t)(v->bits80 >> 64),
+ (uint64_t)v->bits80,
+ (uint64_t)(v->ui128 >> 64),
+ (uint64_t)v->ui128);
+ }
+#endif
+
+ return nexpected_line;
}
static int check_line(const char *expected_line, int nexpected_line,
@@ -3825,10 +4667,10 @@ static int check_line(const char *expected_line, int nexpected_line,
static int do_test_pprint(int test_num)
{
const struct btf_raw_test *test = &pprint_test_template[test_num];
+ enum pprint_mapv_kind_t mapv_kind = test->mapv_kind;
struct bpf_create_map_attr create_attr = {};
bool ordered_map, lossless_map, percpu_map;
int err, ret, num_cpus, rounded_value_size;
- struct pprint_mapv *mapv = NULL;
unsigned int key, nr_read_elems;
int map_fd = -1, btf_fd = -1;
unsigned int raw_btf_size;
@@ -3837,6 +4679,7 @@ static int do_test_pprint(int test_num)
char pin_path[255];
size_t line_len = 0;
char *line = NULL;
+ void *mapv = NULL;
uint8_t *raw_btf;
ssize_t nread;
@@ -3889,7 +4732,7 @@ static int do_test_pprint(int test_num)
percpu_map = test->percpu_map;
num_cpus = percpu_map ? bpf_num_possible_cpus() : 1;
- rounded_value_size = round_up(sizeof(struct pprint_mapv), 8);
+ rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8);
mapv = calloc(num_cpus, rounded_value_size);
if (CHECK(!mapv, "mapv allocation failure")) {
err = -1;
@@ -3897,7 +4740,7 @@ static int do_test_pprint(int test_num)
}
for (key = 0; key < test->max_entries; key++) {
- set_pprint_mapv(mapv, key, num_cpus, rounded_value_size);
+ set_pprint_mapv(mapv_kind, mapv, key, num_cpus, rounded_value_size);
bpf_map_update_elem(map_fd, &key, mapv, 0);
}
@@ -3921,13 +4764,13 @@ static int do_test_pprint(int test_num)
ordered_map = test->ordered_map;
lossless_map = test->lossless_map;
do {
- struct pprint_mapv *cmapv;
ssize_t nexpected_line;
unsigned int next_key;
+ void *cmapv;
int cpu;
next_key = ordered_map ? nr_read_elems : atoi(line);
- set_pprint_mapv(mapv, next_key, num_cpus, rounded_value_size);
+ set_pprint_mapv(mapv_kind, mapv, next_key, num_cpus, rounded_value_size);
cmapv = mapv;
for (cpu = 0; cpu < num_cpus; cpu++) {
@@ -3960,31 +4803,16 @@ static int do_test_pprint(int test_num)
break;
}
- nexpected_line = snprintf(expected_line, sizeof(expected_line),
- "%s%u: {%u,0,%d,0x%x,0x%x,0x%x,"
- "{%lu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s,"
- "%u,0x%x}\n",
- percpu_map ? "\tcpu" : "",
- percpu_map ? cpu : next_key,
- cmapv->ui32, cmapv->si32,
- cmapv->unused_bits2a,
- cmapv->bits28,
- cmapv->unused_bits2b,
- cmapv->ui64,
- cmapv->ui8a[0], cmapv->ui8a[1],
- cmapv->ui8a[2], cmapv->ui8a[3],
- cmapv->ui8a[4], cmapv->ui8a[5],
- cmapv->ui8a[6], cmapv->ui8a[7],
- pprint_enum_str[cmapv->aenum],
- cmapv->ui32b,
- cmapv->bits2c);
-
+ nexpected_line = get_pprint_expected_line(mapv_kind, expected_line,
+ sizeof(expected_line),
+ percpu_map, next_key,
+ cpu, cmapv);
err = check_line(expected_line, nexpected_line,
sizeof(expected_line), line);
if (err == -1)
goto done;
- cmapv = (void *)cmapv + rounded_value_size;
+ cmapv = cmapv + rounded_value_size;
}
if (percpu_map) {
@@ -4080,6 +4908,10 @@ static struct prog_info_raw_test {
__u32 line_info_rec_size;
__u32 nr_jited_ksyms;
bool expected_prog_load_failure;
+ __u32 dead_code_cnt;
+ __u32 dead_code_mask;
+ __u32 dead_func_cnt;
+ __u32 dead_func_mask;
} info_raw_tests[] = {
{
.descr = "func_type (main func + one sub)",
@@ -4506,6 +5338,369 @@ static struct prog_info_raw_test {
.expected_prog_load_failure = true,
},
+{
+ .descr = "line_info (dead start)",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
+ .insns = {
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_IMM(BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .func_info_cnt = 0,
+ .line_info = {
+ BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
+ BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
+ BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
+ BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6),
+ BTF_END_RAW,
+ },
+ .line_info_rec_size = sizeof(struct bpf_line_info),
+ .nr_jited_ksyms = 1,
+ .dead_code_cnt = 1,
+ .dead_code_mask = 0x01,
+},
+
+{
+ .descr = "line_info (dead end)",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"),
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_IMM(BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
+ BPF_EXIT_INSN(),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .func_info_cnt = 0,
+ .line_info = {
+ BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12),
+ BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11),
+ BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10),
+ BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9),
+ BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8),
+ BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7),
+ BTF_END_RAW,
+ },
+ .line_info_rec_size = sizeof(struct bpf_line_info),
+ .nr_jited_ksyms = 1,
+ .dead_code_cnt = 2,
+ .dead_code_mask = 0x28,
+},
+
+{
+ .descr = "line_info (dead code + subprog + func_info)",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */"
+ "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
+ "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
+ "\0return func(a);\0b+=1;\0return b;"),
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_CALL_REL(1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .func_info_cnt = 2,
+ .func_info_rec_size = 8,
+ .func_info = { {0, 4}, {14, 3} },
+ .line_info = {
+ BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
+ BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
+ BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8),
+ BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7),
+ BTF_END_RAW,
+ },
+ .line_info_rec_size = sizeof(struct bpf_line_info),
+ .nr_jited_ksyms = 2,
+ .dead_code_cnt = 9,
+ .dead_code_mask = 0x3fe,
+},
+
+{
+ .descr = "line_info (dead subprog)",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
+ "\0return 0;\0return 0;\0/* dead */\0/* dead */"
+ "\0/* dead */\0return bla + 1;\0return bla + 1;"
+ "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+ BPF_CALL_REL(3),
+ BPF_CALL_REL(5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_CALL_REL(1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_0, 2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .func_info_cnt = 3,
+ .func_info_rec_size = 8,
+ .func_info = { {0, 4}, {6, 3}, {9, 5} },
+ .line_info = {
+ BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
+ BTF_END_RAW,
+ },
+ .line_info_rec_size = sizeof(struct bpf_line_info),
+ .nr_jited_ksyms = 2,
+ .dead_code_cnt = 3,
+ .dead_code_mask = 0x70,
+ .dead_func_cnt = 1,
+ .dead_func_mask = 0x2,
+},
+
+{
+ .descr = "line_info (dead last subprog)",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */"
+ "\0return 0;\0/* dead */\0/* dead */"),
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+ BPF_CALL_REL(2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .func_info_cnt = 2,
+ .func_info_rec_size = 8,
+ .func_info = { {0, 4}, {5, 3} },
+ .line_info = {
+ BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+ BTF_END_RAW,
+ },
+ .line_info_rec_size = sizeof(struct bpf_line_info),
+ .nr_jited_ksyms = 1,
+ .dead_code_cnt = 2,
+ .dead_code_mask = 0x18,
+ .dead_func_cnt = 1,
+ .dead_func_mask = 0x2,
+},
+
+{
+ .descr = "line_info (dead subprog + dead start)",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */"
+ "\0return 0;\0return 0;\0return 0;"
+ "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
+ "\0return b + 1;\0return b + 1;\0return b + 1;"),
+ .insns = {
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+ BPF_CALL_REL(3),
+ BPF_CALL_REL(5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_CALL_REL(1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, 2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .func_info_cnt = 3,
+ .func_info_rec_size = 8,
+ .func_info = { {0, 4}, {7, 3}, {10, 5} },
+ .line_info = {
+ BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
+ BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
+ BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9),
+ BTF_END_RAW,
+ },
+ .line_info_rec_size = sizeof(struct bpf_line_info),
+ .nr_jited_ksyms = 2,
+ .dead_code_cnt = 5,
+ .dead_code_mask = 0x1e2,
+ .dead_func_cnt = 1,
+ .dead_func_mask = 0x2,
+},
+
+{
+ .descr = "line_info (dead subprog + dead start w/ move)",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
+ "\0return 0;\0return 0;\0/* dead */\0/* dead */"
+ "\0/* dead */\0return bla + 1;\0return bla + 1;"
+ "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+ BPF_CALL_REL(3),
+ BPF_CALL_REL(5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_CALL_REL(1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, 2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .func_info_cnt = 3,
+ .func_info_rec_size = 8,
+ .func_info = { {0, 4}, {6, 3}, {9, 5} },
+ .line_info = {
+ BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
+ BTF_END_RAW,
+ },
+ .line_info_rec_size = sizeof(struct bpf_line_info),
+ .nr_jited_ksyms = 2,
+ .dead_code_cnt = 3,
+ .dead_code_mask = 0x70,
+ .dead_func_cnt = 1,
+ .dead_func_mask = 0x2,
+},
+
+{
+ .descr = "line_info (dead end + subprog start w/ no linfo)",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
+ BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"),
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3),
+ BPF_CALL_REL(3),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .func_info_cnt = 2,
+ .func_info_rec_size = 8,
+ .func_info = { {0, 3}, {6, 4}, },
+ .line_info = {
+ BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+ BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+ BTF_END_RAW,
+ },
+ .line_info_rec_size = sizeof(struct bpf_line_info),
+ .nr_jited_ksyms = 2,
+},
+
};
static size_t probe_prog_length(const struct bpf_insn *fp)
@@ -4565,6 +5760,7 @@ static int test_get_finfo(const struct prog_info_raw_test *test,
struct bpf_func_info *finfo;
__u32 info_len, rec_size, i;
void *func_info = NULL;
+ __u32 nr_func_info;
int err;
/* get necessary lens */
@@ -4574,7 +5770,8 @@ static int test_get_finfo(const struct prog_info_raw_test *test,
fprintf(stderr, "%s\n", btf_log_buf);
return -1;
}
- if (CHECK(info.nr_func_info != test->func_info_cnt,
+ nr_func_info = test->func_info_cnt - test->dead_func_cnt;
+ if (CHECK(info.nr_func_info != nr_func_info,
"incorrect info.nr_func_info (1st) %d",
info.nr_func_info)) {
return -1;
@@ -4595,7 +5792,7 @@ static int test_get_finfo(const struct prog_info_raw_test *test,
/* reset info to only retrieve func_info related data */
memset(&info, 0, sizeof(info));
- info.nr_func_info = test->func_info_cnt;
+ info.nr_func_info = nr_func_info;
info.func_info_rec_size = rec_size;
info.func_info = ptr_to_u64(func_info);
err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
@@ -4604,7 +5801,7 @@ static int test_get_finfo(const struct prog_info_raw_test *test,
err = -1;
goto done;
}
- if (CHECK(info.nr_func_info != test->func_info_cnt,
+ if (CHECK(info.nr_func_info != nr_func_info,
"incorrect info.nr_func_info (2nd) %d",
info.nr_func_info)) {
err = -1;
@@ -4618,7 +5815,9 @@ static int test_get_finfo(const struct prog_info_raw_test *test,
}
finfo = func_info;
- for (i = 0; i < test->func_info_cnt; i++) {
+ for (i = 0; i < nr_func_info; i++) {
+ if (test->dead_func_mask & (1 << i))
+ continue;
if (CHECK(finfo->type_id != test->func_info[i][1],
"incorrect func_type %u expected %u",
finfo->type_id, test->func_info[i][1])) {
@@ -4647,6 +5846,7 @@ static int test_get_linfo(const struct prog_info_raw_test *test,
struct bpf_prog_info info = {};
__u32 *jited_func_lens = NULL;
__u64 cur_func_ksyms;
+ __u32 dead_insns;
int err;
jited_cnt = cnt;
@@ -4655,7 +5855,7 @@ static int test_get_linfo(const struct prog_info_raw_test *test,
if (test->nr_jited_ksyms)
nr_jited_ksyms = test->nr_jited_ksyms;
else
- nr_jited_ksyms = test->func_info_cnt;
+ nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt;
nr_jited_func_lens = nr_jited_ksyms;
info_len = sizeof(struct bpf_prog_info);
@@ -4757,12 +5957,20 @@ static int test_get_linfo(const struct prog_info_raw_test *test,
goto done;
}
+ dead_insns = 0;
+ while (test->dead_code_mask & (1 << dead_insns))
+ dead_insns++;
+
CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u",
linfo[0].insn_off);
for (i = 1; i < cnt; i++) {
const struct bpf_line_info *expected_linfo;
- expected_linfo = patched_linfo + (i * test->line_info_rec_size);
+ while (test->dead_code_mask & (1 << (i + dead_insns)))
+ dead_insns++;
+
+ expected_linfo = patched_linfo +
+ ((i + dead_insns) * test->line_info_rec_size);
if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off,
"linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u",
i, linfo[i].insn_off,
@@ -4920,7 +6128,9 @@ static int do_test_info_raw(unsigned int test_num)
if (err)
goto done;
- err = test_get_linfo(test, patched_linfo, attr.line_info_cnt, prog_fd);
+ err = test_get_linfo(test, patched_linfo,
+ attr.line_info_cnt - test->dead_code_cnt,
+ prog_fd);
if (err)
goto done;
@@ -4956,20 +6166,648 @@ static int test_info_raw(void)
return err;
}
+struct btf_raw_data {
+ __u32 raw_types[MAX_NR_RAW_U32];
+ const char *str_sec;
+ __u32 str_sec_size;
+};
+
+struct btf_dedup_test {
+ const char *descr;
+ struct btf_raw_data input;
+ struct btf_raw_data expect;
+ struct btf_dedup_opts opts;
+};
+
+const struct btf_dedup_test dedup_tests[] = {
+
+{
+ .descr = "dedup: unused strings filtering",
+ .input = {
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4),
+ BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"),
+ },
+ .expect = {
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+ BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0long"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ },
+},
+{
+ .descr = "dedup: strings deduplication",
+ .input = {
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+ BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
+ BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4),
+ BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8),
+ BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0long int\0int\0long int\0int"),
+ },
+ .expect = {
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+ BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0long int"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ },
+},
+{
+ .descr = "dedup: struct example #1",
+ /*
+ * struct s {
+ * struct s *next;
+ * const int *a;
+ * int b[16];
+ * int c;
+ * }
+ */
+ .input = {
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* int[16] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
+ /* struct s { */
+ BTF_STRUCT_ENC(NAME_NTH(2), 4, 84), /* [3] */
+ BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */
+ BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */
+ BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */
+ BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */
+ /* ptr -> [3] struct s */
+ BTF_PTR_ENC(3), /* [4] */
+ /* ptr -> [6] const int */
+ BTF_PTR_ENC(6), /* [5] */
+ /* const -> [1] int */
+ BTF_CONST_ENC(1), /* [6] */
+
+ /* full copy of the above */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [7] */
+ BTF_TYPE_ARRAY_ENC(7, 7, 16), /* [8] */
+ BTF_STRUCT_ENC(NAME_NTH(2), 4, 84), /* [9] */
+ BTF_MEMBER_ENC(NAME_NTH(3), 10, 0),
+ BTF_MEMBER_ENC(NAME_NTH(4), 11, 64),
+ BTF_MEMBER_ENC(NAME_NTH(5), 8, 128),
+ BTF_MEMBER_ENC(NAME_NTH(6), 7, 640),
+ BTF_PTR_ENC(9), /* [10] */
+ BTF_PTR_ENC(12), /* [11] */
+ BTF_CONST_ENC(7), /* [12] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0"),
+ },
+ .expect = {
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* int[16] */
+ BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
+ /* struct s { */
+ BTF_STRUCT_ENC(NAME_NTH(6), 4, 84), /* [3] */
+ BTF_MEMBER_ENC(NAME_NTH(5), 4, 0), /* struct s *next; */
+ BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */
+ BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */
+ BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */
+ /* ptr -> [3] struct s */
+ BTF_PTR_ENC(3), /* [4] */
+ /* ptr -> [6] const int */
+ BTF_PTR_ENC(6), /* [5] */
+ /* const -> [1] int */
+ BTF_CONST_ENC(1), /* [6] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0a\0b\0c\0int\0next\0s"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ },
+},
+{
+ .descr = "dedup: struct <-> fwd resolution w/ hash collision",
+ /*
+ * // CU 1:
+ * struct x;
+ * struct s {
+ * struct x *x;
+ * };
+ * // CU 2:
+ * struct x {};
+ * struct s {
+ * struct x *x;
+ * };
+ */
+ .input = {
+ .raw_types = {
+ /* CU 1 */
+ BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */), /* [1] fwd x */
+ BTF_PTR_ENC(1), /* [2] ptr -> [1] */
+ BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] struct s */
+ BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+ /* CU 2 */
+ BTF_STRUCT_ENC(NAME_TBD, 0, 0), /* [4] struct x */
+ BTF_PTR_ENC(4), /* [5] ptr -> [4] */
+ BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [6] struct s */
+ BTF_MEMBER_ENC(NAME_TBD, 5, 0),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"),
+ },
+ .expect = {
+ .raw_types = {
+ BTF_PTR_ENC(3), /* [1] ptr -> [3] */
+ BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [2] struct s */
+ BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+ BTF_STRUCT_ENC(NAME_NTH(2), 0, 0), /* [3] struct x */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0s\0x"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ .dedup_table_size = 1, /* force hash collisions */
+ },
+},
+{
+ .descr = "dedup: void equiv check",
+ /*
+ * // CU 1:
+ * struct s {
+ * struct {} *x;
+ * };
+ * // CU 2:
+ * struct s {
+ * int *x;
+ * };
+ */
+ .input = {
+ .raw_types = {
+ /* CU 1 */
+ BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */
+ BTF_PTR_ENC(1), /* [2] ptr -> [1] */
+ BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */
+ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
+ /* CU 2 */
+ BTF_PTR_ENC(0), /* [4] ptr -> void */
+ BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */
+ BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0s\0x"),
+ },
+ .expect = {
+ .raw_types = {
+ /* CU 1 */
+ BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */
+ BTF_PTR_ENC(1), /* [2] ptr -> [1] */
+ BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */
+ BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
+ /* CU 2 */
+ BTF_PTR_ENC(0), /* [4] ptr -> void */
+ BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */
+ BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0s\0x"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ .dedup_table_size = 1, /* force hash collisions */
+ },
+},
+{
+ .descr = "dedup: all possible kinds (no duplicates)",
+ .input = {
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
+ BTF_ENUM_ENC(NAME_TBD, 0),
+ BTF_ENUM_ENC(NAME_TBD, 1),
+ BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
+ BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
+ BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
+ BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+ BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
+ BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+ BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
+ BTF_PTR_ENC(0), /* [8] ptr */
+ BTF_CONST_ENC(8), /* [9] const */
+ BTF_VOLATILE_ENC(8), /* [10] volatile */
+ BTF_RESTRICT_ENC(8), /* [11] restrict */
+ BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 8),
+ BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M"),
+ },
+ .expect = {
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
+ BTF_ENUM_ENC(NAME_TBD, 0),
+ BTF_ENUM_ENC(NAME_TBD, 1),
+ BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
+ BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
+ BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
+ BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+ BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
+ BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+ BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
+ BTF_PTR_ENC(0), /* [8] ptr */
+ BTF_CONST_ENC(8), /* [9] const */
+ BTF_VOLATILE_ENC(8), /* [10] volatile */
+ BTF_RESTRICT_ENC(8), /* [11] restrict */
+ BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 8),
+ BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ },
+},
+{
+ .descr = "dedup: no int duplicates",
+ .input = {
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
+ /* different name */
+ BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
+ /* different encoding */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
+ /* different bit offset */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
+ /* different bit size */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
+ /* different byte size */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0some other int"),
+ },
+ .expect = {
+ .raw_types = {
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
+ /* different name */
+ BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
+ /* different encoding */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
+ /* different bit offset */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
+ /* different bit size */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
+ /* different byte size */
+ BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0int\0some other int"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ },
+},
+{
+ .descr = "dedup: enum fwd resolution",
+ .input = {
+ .raw_types = {
+ /* [1] fwd enum 'e1' before full enum */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
+ /* [2] full enum 'e1' after fwd */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+ BTF_ENUM_ENC(NAME_NTH(2), 123),
+ /* [3] full enum 'e2' before fwd */
+ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+ BTF_ENUM_ENC(NAME_NTH(4), 456),
+ /* [4] fwd enum 'e2' after full enum */
+ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
+ /* [5] incompatible fwd enum with different size */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1),
+ /* [6] incompatible full enum with different value */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+ BTF_ENUM_ENC(NAME_NTH(2), 321),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
+ },
+ .expect = {
+ .raw_types = {
+ /* [1] full enum 'e1' */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+ BTF_ENUM_ENC(NAME_NTH(2), 123),
+ /* [2] full enum 'e2' */
+ BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+ BTF_ENUM_ENC(NAME_NTH(4), 456),
+ /* [3] incompatible fwd enum with different size */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1),
+ /* [4] incompatible full enum with different value */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+ BTF_ENUM_ENC(NAME_NTH(2), 321),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ },
+},
+{
+ .descr = "dedup: datasec and vars pass-through",
+ .input = {
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* static int t */
+ BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */
+ /* .bss section */ /* [3] */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(2, 0, 4),
+ /* int, referenced from [5] */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */
+ /* another static int t */
+ BTF_VAR_ENC(NAME_NTH(2), 4, 0), /* [5] */
+ /* another .bss section */ /* [6] */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(5, 0, 4),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0.bss\0t"),
+ },
+ .expect = {
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* static int t */
+ BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */
+ /* .bss section */ /* [3] */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(2, 0, 4),
+ /* another static int t */
+ BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [4] */
+ /* another .bss section */ /* [5] */
+ BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+ BTF_VAR_SECINFO_ENC(4, 0, 4),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0.bss\0t"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ .dedup_table_size = 1
+ },
+},
+
+};
+
+static int btf_type_size(const struct btf_type *t)
+{
+ int base_size = sizeof(struct btf_type);
+ __u16 vlen = BTF_INFO_VLEN(t->info);
+ __u16 kind = BTF_INFO_KIND(t->info);
+
+ switch (kind) {
+ case BTF_KIND_FWD:
+ case BTF_KIND_CONST:
+ case BTF_KIND_VOLATILE:
+ case BTF_KIND_RESTRICT:
+ case BTF_KIND_PTR:
+ case BTF_KIND_TYPEDEF:
+ case BTF_KIND_FUNC:
+ return base_size;
+ case BTF_KIND_INT:
+ return base_size + sizeof(__u32);
+ case BTF_KIND_ENUM:
+ return base_size + vlen * sizeof(struct btf_enum);
+ case BTF_KIND_ARRAY:
+ return base_size + sizeof(struct btf_array);
+ case BTF_KIND_STRUCT:
+ case BTF_KIND_UNION:
+ return base_size + vlen * sizeof(struct btf_member);
+ case BTF_KIND_FUNC_PROTO:
+ return base_size + vlen * sizeof(struct btf_param);
+ case BTF_KIND_VAR:
+ return base_size + sizeof(struct btf_var);
+ case BTF_KIND_DATASEC:
+ return base_size + vlen * sizeof(struct btf_var_secinfo);
+ default:
+ fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind);
+ return -EINVAL;
+ }
+}
+
+static void dump_btf_strings(const char *strs, __u32 len)
+{
+ const char *cur = strs;
+ int i = 0;
+
+ while (cur < strs + len) {
+ fprintf(stderr, "string #%d: '%s'\n", i, cur);
+ cur += strlen(cur) + 1;
+ i++;
+ }
+}
+
+static int do_test_dedup(unsigned int test_num)
+{
+ const struct btf_dedup_test *test = &dedup_tests[test_num - 1];
+ __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size;
+ const struct btf_header *test_hdr, *expect_hdr;
+ struct btf *test_btf = NULL, *expect_btf = NULL;
+ const void *test_btf_data, *expect_btf_data;
+ const char *ret_test_next_str, *ret_expect_next_str;
+ const char *test_strs, *expect_strs;
+ const char *test_str_cur, *test_str_end;
+ const char *expect_str_cur, *expect_str_end;
+ unsigned int raw_btf_size;
+ void *raw_btf;
+ int err = 0, i;
+
+ fprintf(stderr, "BTF dedup test[%u] (%s):", test_num, test->descr);
+
+ raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types,
+ test->input.str_sec, test->input.str_sec_size,
+ &raw_btf_size, &ret_test_next_str);
+ if (!raw_btf)
+ return -1;
+ test_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
+ free(raw_btf);
+ if (CHECK(IS_ERR(test_btf), "invalid test_btf errno:%ld",
+ PTR_ERR(test_btf))) {
+ err = -1;
+ goto done;
+ }
+
+ raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types,
+ test->expect.str_sec,
+ test->expect.str_sec_size,
+ &raw_btf_size, &ret_expect_next_str);
+ if (!raw_btf)
+ return -1;
+ expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
+ free(raw_btf);
+ if (CHECK(IS_ERR(expect_btf), "invalid expect_btf errno:%ld",
+ PTR_ERR(expect_btf))) {
+ err = -1;
+ goto done;
+ }
+
+ err = btf__dedup(test_btf, NULL, &test->opts);
+ if (CHECK(err, "btf_dedup failed errno:%d", err)) {
+ err = -1;
+ goto done;
+ }
+
+ test_btf_data = btf__get_raw_data(test_btf, &test_btf_size);
+ expect_btf_data = btf__get_raw_data(expect_btf, &expect_btf_size);
+ if (CHECK(test_btf_size != expect_btf_size,
+ "test_btf_size:%u != expect_btf_size:%u",
+ test_btf_size, expect_btf_size)) {
+ err = -1;
+ goto done;
+ }
+
+ test_hdr = test_btf_data;
+ test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off;
+ expect_hdr = expect_btf_data;
+ expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off;
+ if (CHECK(test_hdr->str_len != expect_hdr->str_len,
+ "test_hdr->str_len:%u != expect_hdr->str_len:%u",
+ test_hdr->str_len, expect_hdr->str_len)) {
+ fprintf(stderr, "\ntest strings:\n");
+ dump_btf_strings(test_strs, test_hdr->str_len);
+ fprintf(stderr, "\nexpected strings:\n");
+ dump_btf_strings(expect_strs, expect_hdr->str_len);
+ err = -1;
+ goto done;
+ }
+
+ test_str_cur = test_strs;
+ test_str_end = test_strs + test_hdr->str_len;
+ expect_str_cur = expect_strs;
+ expect_str_end = expect_strs + expect_hdr->str_len;
+ while (test_str_cur < test_str_end && expect_str_cur < expect_str_end) {
+ size_t test_len, expect_len;
+
+ test_len = strlen(test_str_cur);
+ expect_len = strlen(expect_str_cur);
+ if (CHECK(test_len != expect_len,
+ "test_len:%zu != expect_len:%zu "
+ "(test_str:%s, expect_str:%s)",
+ test_len, expect_len, test_str_cur, expect_str_cur)) {
+ err = -1;
+ goto done;
+ }
+ if (CHECK(strcmp(test_str_cur, expect_str_cur),
+ "test_str:%s != expect_str:%s",
+ test_str_cur, expect_str_cur)) {
+ err = -1;
+ goto done;
+ }
+ test_str_cur += test_len + 1;
+ expect_str_cur += expect_len + 1;
+ }
+ if (CHECK(test_str_cur != test_str_end,
+ "test_str_cur:%p != test_str_end:%p",
+ test_str_cur, test_str_end)) {
+ err = -1;
+ goto done;
+ }
+
+ test_nr_types = btf__get_nr_types(test_btf);
+ expect_nr_types = btf__get_nr_types(expect_btf);
+ if (CHECK(test_nr_types != expect_nr_types,
+ "test_nr_types:%u != expect_nr_types:%u",
+ test_nr_types, expect_nr_types)) {
+ err = -1;
+ goto done;
+ }
+
+ for (i = 1; i <= test_nr_types; i++) {
+ const struct btf_type *test_type, *expect_type;
+ int test_size, expect_size;
+
+ test_type = btf__type_by_id(test_btf, i);
+ expect_type = btf__type_by_id(expect_btf, i);
+ test_size = btf_type_size(test_type);
+ expect_size = btf_type_size(expect_type);
+
+ if (CHECK(test_size != expect_size,
+ "type #%d: test_size:%d != expect_size:%u",
+ i, test_size, expect_size)) {
+ err = -1;
+ goto done;
+ }
+ if (CHECK(memcmp((void *)test_type,
+ (void *)expect_type,
+ test_size),
+ "type #%d: contents differ", i)) {
+ err = -1;
+ goto done;
+ }
+ }
+
+done:
+ if (!err)
+ fprintf(stderr, "OK");
+ if (!IS_ERR(test_btf))
+ btf__free(test_btf);
+ if (!IS_ERR(expect_btf))
+ btf__free(expect_btf);
+
+ return err;
+}
+
+static int test_dedup(void)
+{
+ unsigned int i;
+ int err = 0;
+
+ if (args.dedup_test_num)
+ return count_result(do_test_dedup(args.dedup_test_num));
+
+ for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++)
+ err |= count_result(do_test_dedup(i));
+
+ return err;
+}
+
static void usage(const char *cmd)
{
fprintf(stderr, "Usage: %s [-l] [[-r btf_raw_test_num (1 - %zu)] |\n"
"\t[-g btf_get_info_test_num (1 - %zu)] |\n"
"\t[-f btf_file_test_num (1 - %zu)] |\n"
"\t[-k btf_prog_info_raw_test_num (1 - %zu)] |\n"
- "\t[-p (pretty print test)]]\n",
+ "\t[-p (pretty print test)] |\n"
+ "\t[-d btf_dedup_test_num (1 - %zu)]]\n",
cmd, ARRAY_SIZE(raw_tests), ARRAY_SIZE(get_info_tests),
- ARRAY_SIZE(file_tests), ARRAY_SIZE(info_raw_tests));
+ ARRAY_SIZE(file_tests), ARRAY_SIZE(info_raw_tests),
+ ARRAY_SIZE(dedup_tests));
}
static int parse_args(int argc, char **argv)
{
- const char *optstr = "lpk:f:r:g:";
+ const char *optstr = "hlpk:f:r:g:d:";
int opt;
while ((opt = getopt(argc, argv, optstr)) != -1) {
@@ -4996,12 +6834,16 @@ static int parse_args(int argc, char **argv)
args.info_raw_test_num = atoi(optarg);
args.info_raw_test = true;
break;
+ case 'd':
+ args.dedup_test_num = atoi(optarg);
+ args.dedup_test = true;
+ break;
case 'h':
usage(argv[0]);
exit(0);
default:
- usage(argv[0]);
- return -1;
+ usage(argv[0]);
+ return -1;
}
}
@@ -5037,6 +6879,14 @@ static int parse_args(int argc, char **argv)
return -1;
}
+ if (args.dedup_test_num &&
+ (args.dedup_test_num < 1 ||
+ args.dedup_test_num > ARRAY_SIZE(dedup_tests))) {
+ fprintf(stderr, "BTF dedup test number must be [1 - %zu]\n",
+ ARRAY_SIZE(dedup_tests));
+ return -1;
+ }
+
return 0;
}
@@ -5055,7 +6905,7 @@ int main(int argc, char **argv)
return err;
if (args.always_log)
- libbpf_set_print(__base_pr, __base_pr, __base_pr);
+ libbpf_set_print(__base_pr);
if (args.raw_test)
err |= test_raw();
@@ -5072,14 +6922,18 @@ int main(int argc, char **argv)
if (args.info_raw_test)
err |= test_info_raw();
+ if (args.dedup_test)
+ err |= test_dedup();
+
if (args.raw_test || args.get_info_test || args.file_test ||
- args.pprint_test || args.info_raw_test)
+ args.pprint_test || args.info_raw_test || args.dedup_test)
goto done;
err |= test_raw();
err |= test_get_info();
err |= test_file();
err |= test_info_raw();
+ err |= test_dedup();
done:
print_summary();
diff --git a/tools/testing/selftests/bpf/test_btf.h b/tools/testing/selftests/bpf/test_btf.h
new file mode 100644
index 000000000000..2023725f1962
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_btf.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 Facebook */
+
+#ifndef _TEST_BTF_H
+#define _TEST_BTF_H
+
+#define BTF_INFO_ENC(kind, kind_flag, vlen) \
+ ((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN))
+
+#define BTF_TYPE_ENC(name, info, size_or_type) \
+ (name), (info), (size_or_type)
+
+#define BTF_INT_ENC(encoding, bits_offset, nr_bits) \
+ ((encoding) << 24 | (bits_offset) << 16 | (nr_bits))
+#define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \
+ BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \
+ BTF_INT_ENC(encoding, bits_offset, bits)
+
+#define BTF_FWD_ENC(name, kind_flag) \
+ BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FWD, kind_flag, 0), 0)
+
+#define BTF_ARRAY_ENC(type, index_type, nr_elems) \
+ (type), (index_type), (nr_elems)
+#define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \
+ BTF_ARRAY_ENC(type, index_type, nr_elems)
+
+#define BTF_STRUCT_ENC(name, nr_elems, sz) \
+ BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, nr_elems), sz)
+
+#define BTF_UNION_ENC(name, nr_elems, sz) \
+ BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_UNION, 0, nr_elems), sz)
+
+#define BTF_VAR_ENC(name, type, linkage) \
+ BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), type), (linkage)
+#define BTF_VAR_SECINFO_ENC(type, offset, size) \
+ (type), (offset), (size)
+
+#define BTF_MEMBER_ENC(name, type, bits_offset) \
+ (name), (type), (bits_offset)
+#define BTF_ENUM_ENC(name, val) (name), (val)
+#define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \
+ ((bitfield_size) << 24 | (bits_offset))
+
+#define BTF_TYPEDEF_ENC(name, type) \
+ BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type)
+
+#define BTF_PTR_ENC(type) \
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type)
+
+#define BTF_CONST_ENC(type) \
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), type)
+
+#define BTF_VOLATILE_ENC(type) \
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), type)
+
+#define BTF_RESTRICT_ENC(type) \
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), type)
+
+#define BTF_FUNC_PROTO_ENC(ret_type, nargs) \
+ BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, nargs), ret_type)
+
+#define BTF_FUNC_PROTO_ARG_ENC(name, type) \
+ (name), (type)
+
+#define BTF_FUNC_ENC(name, func_proto) \
+ BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), func_proto)
+
+#endif /* _TEST_BTF_H */
diff --git a/tools/testing/selftests/bpf/test_btf_dump.c b/tools/testing/selftests/bpf/test_btf_dump.c
new file mode 100644
index 000000000000..8f850823d35f
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_btf_dump.c
@@ -0,0 +1,143 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <linux/err.h>
+#include <btf.h>
+
+#define CHECK(condition, format...) ({ \
+ int __ret = !!(condition); \
+ if (__ret) { \
+ fprintf(stderr, "%s:%d:FAIL ", __func__, __LINE__); \
+ fprintf(stderr, format); \
+ } \
+ __ret; \
+})
+
+void btf_dump_printf(void *ctx, const char *fmt, va_list args)
+{
+ vfprintf(ctx, fmt, args);
+}
+
+struct btf_dump_test_case {
+ const char *name;
+ struct btf_dump_opts opts;
+} btf_dump_test_cases[] = {
+ {.name = "btf_dump_test_case_syntax", .opts = {}},
+ {.name = "btf_dump_test_case_ordering", .opts = {}},
+ {.name = "btf_dump_test_case_padding", .opts = {}},
+ {.name = "btf_dump_test_case_packing", .opts = {}},
+ {.name = "btf_dump_test_case_bitfields", .opts = {}},
+ {.name = "btf_dump_test_case_multidim", .opts = {}},
+ {.name = "btf_dump_test_case_namespacing", .opts = {}},
+};
+
+static int btf_dump_all_types(const struct btf *btf,
+ const struct btf_dump_opts *opts)
+{
+ size_t type_cnt = btf__get_nr_types(btf);
+ struct btf_dump *d;
+ int err = 0, id;
+
+ d = btf_dump__new(btf, NULL, opts, btf_dump_printf);
+ if (IS_ERR(d))
+ return PTR_ERR(d);
+
+ for (id = 1; id <= type_cnt; id++) {
+ err = btf_dump__dump_type(d, id);
+ if (err)
+ goto done;
+ }
+
+done:
+ btf_dump__free(d);
+ return err;
+}
+
+int test_btf_dump_case(int n, struct btf_dump_test_case *test_case)
+{
+ char test_file[256], out_file[256], diff_cmd[1024];
+ struct btf *btf = NULL;
+ int err = 0, fd = -1;
+ FILE *f = NULL;
+
+ fprintf(stderr, "Test case #%d (%s): ", n, test_case->name);
+
+ snprintf(test_file, sizeof(test_file), "%s.o", test_case->name);
+
+ btf = btf__parse_elf(test_file, NULL);
+ if (CHECK(IS_ERR(btf),
+ "failed to load test BTF: %ld\n", PTR_ERR(btf))) {
+ err = -PTR_ERR(btf);
+ btf = NULL;
+ goto done;
+ }
+
+ snprintf(out_file, sizeof(out_file),
+ "/tmp/%s.output.XXXXXX", test_case->name);
+ fd = mkstemp(out_file);
+ if (CHECK(fd < 0, "failed to create temp output file: %d\n", fd)) {
+ err = fd;
+ goto done;
+ }
+ f = fdopen(fd, "w");
+ if (CHECK(f == NULL, "failed to open temp output file: %s(%d)\n",
+ strerror(errno), errno)) {
+ close(fd);
+ goto done;
+ }
+
+ test_case->opts.ctx = f;
+ err = btf_dump_all_types(btf, &test_case->opts);
+ fclose(f);
+ close(fd);
+ if (CHECK(err, "failure during C dumping: %d\n", err)) {
+ goto done;
+ }
+
+ snprintf(test_file, sizeof(test_file), "progs/%s.c", test_case->name);
+ /*
+ * Diff test output and expected test output, contained between
+ * START-EXPECTED-OUTPUT and END-EXPECTED-OUTPUT lines in test case.
+ * For expected output lines, everything before '*' is stripped out.
+ * Also lines containing comment start and comment end markers are
+ * ignored.
+ */
+ snprintf(diff_cmd, sizeof(diff_cmd),
+ "awk '/START-EXPECTED-OUTPUT/{out=1;next} "
+ "/END-EXPECTED-OUTPUT/{out=0} "
+ "/\\/\\*|\\*\\//{next} " /* ignore comment start/end lines */
+ "out {sub(/^[ \\t]*\\*/, \"\"); print}' '%s' | diff -u - '%s'",
+ test_file, out_file);
+ err = system(diff_cmd);
+ if (CHECK(err,
+ "differing test output, output=%s, err=%d, diff cmd:\n%s\n",
+ out_file, err, diff_cmd))
+ goto done;
+
+ remove(out_file);
+ fprintf(stderr, "OK\n");
+
+done:
+ btf__free(btf);
+ return err;
+}
+
+int main() {
+ int test_case_cnt, i, err, failed = 0;
+
+ test_case_cnt = sizeof(btf_dump_test_cases) /
+ sizeof(btf_dump_test_cases[0]);
+
+ for (i = 0; i < test_case_cnt; i++) {
+ err = test_btf_dump_case(i, &btf_dump_test_cases[i]);
+ if (err)
+ failed++;
+ }
+
+ fprintf(stderr, "%d tests succeeded, %d tests failed.\n",
+ test_case_cnt - failed, failed);
+
+ return failed;
+}
diff --git a/tools/testing/selftests/bpf/test_cgroup_attach.c b/tools/testing/selftests/bpf/test_cgroup_attach.c
new file mode 100644
index 000000000000..7671909ee1cb
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_cgroup_attach.c
@@ -0,0 +1,571 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/* eBPF example program:
+ *
+ * - Creates arraymap in kernel with 4 bytes keys and 8 byte values
+ *
+ * - Loads eBPF program
+ *
+ * The eBPF program accesses the map passed in to store two pieces of
+ * information. The number of invocations of the program, which maps
+ * to the number of packets received, is stored to key 0. Key 1 is
+ * incremented on each iteration by the number of bytes stored in
+ * the skb. The program also stores the number of received bytes
+ * in the cgroup storage.
+ *
+ * - Attaches the new program to a cgroup using BPF_PROG_ATTACH
+ *
+ * - Every second, reads map[0] and map[1] to see how many bytes and
+ * packets were seen on any socket of tasks in the given cgroup.
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <linux/filter.h>
+
+#include <linux/bpf.h>
+#include <bpf/bpf.h>
+
+#include "bpf_util.h"
+#include "bpf_rlimit.h"
+#include "cgroup_helpers.h"
+
+#define FOO "/foo"
+#define BAR "/foo/bar/"
+#define PING_CMD "ping -q -c1 -w1 127.0.0.1 > /dev/null"
+
+char bpf_log_buf[BPF_LOG_BUF_SIZE];
+
+#ifdef DEBUG
+#define debug(args...) printf(args)
+#else
+#define debug(args...)
+#endif
+
+static int prog_load(int verdict)
+{
+ int ret;
+ struct bpf_insn prog[] = {
+ BPF_MOV64_IMM(BPF_REG_0, verdict), /* r0 = verdict */
+ BPF_EXIT_INSN(),
+ };
+ size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn);
+
+ ret = bpf_load_program(BPF_PROG_TYPE_CGROUP_SKB,
+ prog, insns_cnt, "GPL", 0,
+ bpf_log_buf, BPF_LOG_BUF_SIZE);
+
+ if (ret < 0) {
+ log_err("Loading program");
+ printf("Output from verifier:\n%s\n-------\n", bpf_log_buf);
+ return 0;
+ }
+ return ret;
+}
+
+static int test_foo_bar(void)
+{
+ int drop_prog, allow_prog, foo = 0, bar = 0, rc = 0;
+
+ allow_prog = prog_load(1);
+ if (!allow_prog)
+ goto err;
+
+ drop_prog = prog_load(0);
+ if (!drop_prog)
+ goto err;
+
+ if (setup_cgroup_environment())
+ goto err;
+
+ /* Create cgroup /foo, get fd, and join it */
+ foo = create_and_get_cgroup(FOO);
+ if (foo < 0)
+ goto err;
+
+ if (join_cgroup(FOO))
+ goto err;
+
+ if (bpf_prog_attach(drop_prog, foo, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_OVERRIDE)) {
+ log_err("Attaching prog to /foo");
+ goto err;
+ }
+
+ debug("Attached DROP prog. This ping in cgroup /foo should fail...\n");
+ assert(system(PING_CMD) != 0);
+
+ /* Create cgroup /foo/bar, get fd, and join it */
+ bar = create_and_get_cgroup(BAR);
+ if (bar < 0)
+ goto err;
+
+ if (join_cgroup(BAR))
+ goto err;
+
+ debug("Attached DROP prog. This ping in cgroup /foo/bar should fail...\n");
+ assert(system(PING_CMD) != 0);
+
+ if (bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_OVERRIDE)) {
+ log_err("Attaching prog to /foo/bar");
+ goto err;
+ }
+
+ debug("Attached PASS prog. This ping in cgroup /foo/bar should pass...\n");
+ assert(system(PING_CMD) == 0);
+
+ if (bpf_prog_detach(bar, BPF_CGROUP_INET_EGRESS)) {
+ log_err("Detaching program from /foo/bar");
+ goto err;
+ }
+
+ debug("Detached PASS from /foo/bar while DROP is attached to /foo.\n"
+ "This ping in cgroup /foo/bar should fail...\n");
+ assert(system(PING_CMD) != 0);
+
+ if (bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_OVERRIDE)) {
+ log_err("Attaching prog to /foo/bar");
+ goto err;
+ }
+
+ if (bpf_prog_detach(foo, BPF_CGROUP_INET_EGRESS)) {
+ log_err("Detaching program from /foo");
+ goto err;
+ }
+
+ debug("Attached PASS from /foo/bar and detached DROP from /foo.\n"
+ "This ping in cgroup /foo/bar should pass...\n");
+ assert(system(PING_CMD) == 0);
+
+ if (bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_OVERRIDE)) {
+ log_err("Attaching prog to /foo/bar");
+ goto err;
+ }
+
+ if (!bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, 0)) {
+ errno = 0;
+ log_err("Unexpected success attaching prog to /foo/bar");
+ goto err;
+ }
+
+ if (bpf_prog_detach(bar, BPF_CGROUP_INET_EGRESS)) {
+ log_err("Detaching program from /foo/bar");
+ goto err;
+ }
+
+ if (!bpf_prog_detach(foo, BPF_CGROUP_INET_EGRESS)) {
+ errno = 0;
+ log_err("Unexpected success in double detach from /foo");
+ goto err;
+ }
+
+ if (bpf_prog_attach(allow_prog, foo, BPF_CGROUP_INET_EGRESS, 0)) {
+ log_err("Attaching non-overridable prog to /foo");
+ goto err;
+ }
+
+ if (!bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, 0)) {
+ errno = 0;
+ log_err("Unexpected success attaching non-overridable prog to /foo/bar");
+ goto err;
+ }
+
+ if (!bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_OVERRIDE)) {
+ errno = 0;
+ log_err("Unexpected success attaching overridable prog to /foo/bar");
+ goto err;
+ }
+
+ if (!bpf_prog_attach(allow_prog, foo, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_OVERRIDE)) {
+ errno = 0;
+ log_err("Unexpected success attaching overridable prog to /foo");
+ goto err;
+ }
+
+ if (bpf_prog_attach(drop_prog, foo, BPF_CGROUP_INET_EGRESS, 0)) {
+ log_err("Attaching different non-overridable prog to /foo");
+ goto err;
+ }
+
+ goto out;
+
+err:
+ rc = 1;
+
+out:
+ close(foo);
+ close(bar);
+ cleanup_cgroup_environment();
+ if (!rc)
+ printf("#override:PASS\n");
+ else
+ printf("#override:FAIL\n");
+ return rc;
+}
+
+static int map_fd = -1;
+
+static int prog_load_cnt(int verdict, int val)
+{
+ int cgroup_storage_fd, percpu_cgroup_storage_fd;
+
+ if (map_fd < 0)
+ map_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, 4, 8, 1, 0);
+ if (map_fd < 0) {
+ printf("failed to create map '%s'\n", strerror(errno));
+ return -1;
+ }
+
+ cgroup_storage_fd = bpf_create_map(BPF_MAP_TYPE_CGROUP_STORAGE,
+ sizeof(struct bpf_cgroup_storage_key), 8, 0, 0);
+ if (cgroup_storage_fd < 0) {
+ printf("failed to create map '%s'\n", strerror(errno));
+ return -1;
+ }
+
+ percpu_cgroup_storage_fd = bpf_create_map(
+ BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE,
+ sizeof(struct bpf_cgroup_storage_key), 8, 0, 0);
+ if (percpu_cgroup_storage_fd < 0) {
+ printf("failed to create map '%s'\n", strerror(errno));
+ return -1;
+ }
+
+ struct bpf_insn prog[] = {
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -4), /* *(u32 *)(fp - 4) = r0 */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), /* r2 = fp - 4 */
+ BPF_LD_MAP_FD(BPF_REG_1, map_fd),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_1, val), /* r1 = 1 */
+ BPF_RAW_INSN(BPF_STX | BPF_XADD | BPF_DW, BPF_REG_0, BPF_REG_1, 0, 0), /* xadd r0 += r1 */
+
+ BPF_LD_MAP_FD(BPF_REG_1, cgroup_storage_fd),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_MOV64_IMM(BPF_REG_1, val),
+ BPF_RAW_INSN(BPF_STX | BPF_XADD | BPF_W, BPF_REG_0, BPF_REG_1, 0, 0),
+
+ BPF_LD_MAP_FD(BPF_REG_1, percpu_cgroup_storage_fd),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 0x1),
+ BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_3, 0),
+
+ BPF_MOV64_IMM(BPF_REG_0, verdict), /* r0 = verdict */
+ BPF_EXIT_INSN(),
+ };
+ size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn);
+ int ret;
+
+ ret = bpf_load_program(BPF_PROG_TYPE_CGROUP_SKB,
+ prog, insns_cnt, "GPL", 0,
+ bpf_log_buf, BPF_LOG_BUF_SIZE);
+
+ if (ret < 0) {
+ log_err("Loading program");
+ printf("Output from verifier:\n%s\n-------\n", bpf_log_buf);
+ return 0;
+ }
+ close(cgroup_storage_fd);
+ return ret;
+}
+
+
+static int test_multiprog(void)
+{
+ __u32 prog_ids[4], prog_cnt = 0, attach_flags, saved_prog_id;
+ int cg1 = 0, cg2 = 0, cg3 = 0, cg4 = 0, cg5 = 0, key = 0;
+ int drop_prog, allow_prog[6] = {}, rc = 0;
+ unsigned long long value;
+ int i = 0;
+
+ for (i = 0; i < 6; i++) {
+ allow_prog[i] = prog_load_cnt(1, 1 << i);
+ if (!allow_prog[i])
+ goto err;
+ }
+ drop_prog = prog_load_cnt(0, 1);
+ if (!drop_prog)
+ goto err;
+
+ if (setup_cgroup_environment())
+ goto err;
+
+ cg1 = create_and_get_cgroup("/cg1");
+ if (cg1 < 0)
+ goto err;
+ cg2 = create_and_get_cgroup("/cg1/cg2");
+ if (cg2 < 0)
+ goto err;
+ cg3 = create_and_get_cgroup("/cg1/cg2/cg3");
+ if (cg3 < 0)
+ goto err;
+ cg4 = create_and_get_cgroup("/cg1/cg2/cg3/cg4");
+ if (cg4 < 0)
+ goto err;
+ cg5 = create_and_get_cgroup("/cg1/cg2/cg3/cg4/cg5");
+ if (cg5 < 0)
+ goto err;
+
+ if (join_cgroup("/cg1/cg2/cg3/cg4/cg5"))
+ goto err;
+
+ if (bpf_prog_attach(allow_prog[0], cg1, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_MULTI)) {
+ log_err("Attaching prog to cg1");
+ goto err;
+ }
+ if (!bpf_prog_attach(allow_prog[0], cg1, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_MULTI)) {
+ log_err("Unexpected success attaching the same prog to cg1");
+ goto err;
+ }
+ if (bpf_prog_attach(allow_prog[1], cg1, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_MULTI)) {
+ log_err("Attaching prog2 to cg1");
+ goto err;
+ }
+ if (bpf_prog_attach(allow_prog[2], cg2, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_OVERRIDE)) {
+ log_err("Attaching prog to cg2");
+ goto err;
+ }
+ if (bpf_prog_attach(allow_prog[3], cg3, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_MULTI)) {
+ log_err("Attaching prog to cg3");
+ goto err;
+ }
+ if (bpf_prog_attach(allow_prog[4], cg4, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_OVERRIDE)) {
+ log_err("Attaching prog to cg4");
+ goto err;
+ }
+ if (bpf_prog_attach(allow_prog[5], cg5, BPF_CGROUP_INET_EGRESS, 0)) {
+ log_err("Attaching prog to cg5");
+ goto err;
+ }
+ assert(system(PING_CMD) == 0);
+ assert(bpf_map_lookup_elem(map_fd, &key, &value) == 0);
+ assert(value == 1 + 2 + 8 + 32);
+
+ /* query the number of effective progs in cg5 */
+ assert(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS, BPF_F_QUERY_EFFECTIVE,
+ NULL, NULL, &prog_cnt) == 0);
+ assert(prog_cnt == 4);
+ /* retrieve prog_ids of effective progs in cg5 */
+ assert(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS, BPF_F_QUERY_EFFECTIVE,
+ &attach_flags, prog_ids, &prog_cnt) == 0);
+ assert(prog_cnt == 4);
+ assert(attach_flags == 0);
+ saved_prog_id = prog_ids[0];
+ /* check enospc handling */
+ prog_ids[0] = 0;
+ prog_cnt = 2;
+ assert(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS, BPF_F_QUERY_EFFECTIVE,
+ &attach_flags, prog_ids, &prog_cnt) == -1 &&
+ errno == ENOSPC);
+ assert(prog_cnt == 4);
+ /* check that prog_ids are returned even when buffer is too small */
+ assert(prog_ids[0] == saved_prog_id);
+ /* retrieve prog_id of single attached prog in cg5 */
+ prog_ids[0] = 0;
+ assert(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS, 0,
+ NULL, prog_ids, &prog_cnt) == 0);
+ assert(prog_cnt == 1);
+ assert(prog_ids[0] == saved_prog_id);
+
+ /* detach bottom program and ping again */
+ if (bpf_prog_detach2(-1, cg5, BPF_CGROUP_INET_EGRESS)) {
+ log_err("Detaching prog from cg5");
+ goto err;
+ }
+ value = 0;
+ assert(bpf_map_update_elem(map_fd, &key, &value, 0) == 0);
+ assert(system(PING_CMD) == 0);
+ assert(bpf_map_lookup_elem(map_fd, &key, &value) == 0);
+ assert(value == 1 + 2 + 8 + 16);
+
+ /* detach 3rd from bottom program and ping again */
+ errno = 0;
+ if (!bpf_prog_detach2(0, cg3, BPF_CGROUP_INET_EGRESS)) {
+ log_err("Unexpected success on detach from cg3");
+ goto err;
+ }
+ if (bpf_prog_detach2(allow_prog[3], cg3, BPF_CGROUP_INET_EGRESS)) {
+ log_err("Detaching from cg3");
+ goto err;
+ }
+ value = 0;
+ assert(bpf_map_update_elem(map_fd, &key, &value, 0) == 0);
+ assert(system(PING_CMD) == 0);
+ assert(bpf_map_lookup_elem(map_fd, &key, &value) == 0);
+ assert(value == 1 + 2 + 16);
+
+ /* detach 2nd from bottom program and ping again */
+ if (bpf_prog_detach2(-1, cg4, BPF_CGROUP_INET_EGRESS)) {
+ log_err("Detaching prog from cg4");
+ goto err;
+ }
+ value = 0;
+ assert(bpf_map_update_elem(map_fd, &key, &value, 0) == 0);
+ assert(system(PING_CMD) == 0);
+ assert(bpf_map_lookup_elem(map_fd, &key, &value) == 0);
+ assert(value == 1 + 2 + 4);
+
+ prog_cnt = 4;
+ assert(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS, BPF_F_QUERY_EFFECTIVE,
+ &attach_flags, prog_ids, &prog_cnt) == 0);
+ assert(prog_cnt == 3);
+ assert(attach_flags == 0);
+ assert(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS, 0,
+ NULL, prog_ids, &prog_cnt) == 0);
+ assert(prog_cnt == 0);
+ goto out;
+err:
+ rc = 1;
+
+out:
+ for (i = 0; i < 6; i++)
+ if (allow_prog[i] > 0)
+ close(allow_prog[i]);
+ close(cg1);
+ close(cg2);
+ close(cg3);
+ close(cg4);
+ close(cg5);
+ cleanup_cgroup_environment();
+ if (!rc)
+ printf("#multi:PASS\n");
+ else
+ printf("#multi:FAIL\n");
+ return rc;
+}
+
+static int test_autodetach(void)
+{
+ __u32 prog_cnt = 4, attach_flags;
+ int allow_prog[2] = {0};
+ __u32 prog_ids[2] = {0};
+ int cg = 0, i, rc = -1;
+ void *ptr = NULL;
+ int attempts;
+
+ for (i = 0; i < ARRAY_SIZE(allow_prog); i++) {
+ allow_prog[i] = prog_load_cnt(1, 1 << i);
+ if (!allow_prog[i])
+ goto err;
+ }
+
+ if (setup_cgroup_environment())
+ goto err;
+
+ /* create a cgroup, attach two programs and remember their ids */
+ cg = create_and_get_cgroup("/cg_autodetach");
+ if (cg < 0)
+ goto err;
+
+ if (join_cgroup("/cg_autodetach"))
+ goto err;
+
+ for (i = 0; i < ARRAY_SIZE(allow_prog); i++) {
+ if (bpf_prog_attach(allow_prog[i], cg, BPF_CGROUP_INET_EGRESS,
+ BPF_F_ALLOW_MULTI)) {
+ log_err("Attaching prog[%d] to cg:egress", i);
+ goto err;
+ }
+ }
+
+ /* make sure that programs are attached and run some traffic */
+ assert(bpf_prog_query(cg, BPF_CGROUP_INET_EGRESS, 0, &attach_flags,
+ prog_ids, &prog_cnt) == 0);
+ assert(system(PING_CMD) == 0);
+
+ /* allocate some memory (4Mb) to pin the original cgroup */
+ ptr = malloc(4 * (1 << 20));
+ if (!ptr)
+ goto err;
+
+ /* close programs and cgroup fd */
+ for (i = 0; i < ARRAY_SIZE(allow_prog); i++) {
+ close(allow_prog[i]);
+ allow_prog[i] = 0;
+ }
+
+ close(cg);
+ cg = 0;
+
+ /* leave the cgroup and remove it. don't detach programs */
+ cleanup_cgroup_environment();
+
+ /* wait for the asynchronous auto-detachment.
+ * wait for no more than 5 sec and give up.
+ */
+ for (i = 0; i < ARRAY_SIZE(prog_ids); i++) {
+ for (attempts = 5; attempts >= 0; attempts--) {
+ int fd = bpf_prog_get_fd_by_id(prog_ids[i]);
+
+ if (fd < 0)
+ break;
+
+ /* don't leave the fd open */
+ close(fd);
+
+ if (!attempts)
+ goto err;
+
+ sleep(1);
+ }
+ }
+
+ rc = 0;
+err:
+ for (i = 0; i < ARRAY_SIZE(allow_prog); i++)
+ if (allow_prog[i] > 0)
+ close(allow_prog[i]);
+ if (cg)
+ close(cg);
+ free(ptr);
+ cleanup_cgroup_environment();
+ if (!rc)
+ printf("#autodetach:PASS\n");
+ else
+ printf("#autodetach:FAIL\n");
+ return rc;
+}
+
+int main(void)
+{
+ int (*tests[])(void) = {
+ test_foo_bar,
+ test_multiprog,
+ test_autodetach,
+ };
+ int errors = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tests); i++)
+ if (tests[i]())
+ errors++;
+
+ if (errors)
+ printf("test_cgroup_attach:FAIL\n");
+ else
+ printf("test_cgroup_attach:PASS\n");
+
+ return errors ? EXIT_FAILURE : EXIT_SUCCESS;
+}
diff --git a/tools/testing/selftests/bpf/test_dev_cgroup.c b/tools/testing/selftests/bpf/test_dev_cgroup.c
index 76e4993b7c16..d850fb9076b5 100644
--- a/tools/testing/selftests/bpf/test_dev_cgroup.c
+++ b/tools/testing/selftests/bpf/test_dev_cgroup.c
@@ -1,8 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2017 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/bpf/test_flow_dissector.c b/tools/testing/selftests/bpf/test_flow_dissector.c
index 12b784afba31..01f0c634d548 100644
--- a/tools/testing/selftests/bpf/test_flow_dissector.c
+++ b/tools/testing/selftests/bpf/test_flow_dissector.c
@@ -16,7 +16,6 @@
#include <errno.h>
#include <linux/if_packet.h>
#include <linux/if_ether.h>
-#include <linux/if_packet.h>
#include <linux/ipv6.h>
#include <netinet/ip.h>
#include <netinet/in.h>
@@ -25,7 +24,6 @@
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
-#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
diff --git a/tools/testing/selftests/bpf/test_hashmap.c b/tools/testing/selftests/bpf/test_hashmap.c
new file mode 100644
index 000000000000..b64094c981e3
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_hashmap.c
@@ -0,0 +1,382 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * Tests for libbpf's hashmap.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+#include <stdio.h>
+#include <errno.h>
+#include <linux/err.h>
+#include "hashmap.h"
+
+#define CHECK(condition, format...) ({ \
+ int __ret = !!(condition); \
+ if (__ret) { \
+ fprintf(stderr, "%s:%d:FAIL ", __func__, __LINE__); \
+ fprintf(stderr, format); \
+ } \
+ __ret; \
+})
+
+size_t hash_fn(const void *k, void *ctx)
+{
+ return (long)k;
+}
+
+bool equal_fn(const void *a, const void *b, void *ctx)
+{
+ return (long)a == (long)b;
+}
+
+static inline size_t next_pow_2(size_t n)
+{
+ size_t r = 1;
+
+ while (r < n)
+ r <<= 1;
+ return r;
+}
+
+static inline size_t exp_cap(size_t sz)
+{
+ size_t r = next_pow_2(sz);
+
+ if (sz * 4 / 3 > r)
+ r <<= 1;
+ return r;
+}
+
+#define ELEM_CNT 62
+
+int test_hashmap_generic(void)
+{
+ struct hashmap_entry *entry, *tmp;
+ int err, bkt, found_cnt, i;
+ long long found_msk;
+ struct hashmap *map;
+
+ fprintf(stderr, "%s: ", __func__);
+
+ map = hashmap__new(hash_fn, equal_fn, NULL);
+ if (CHECK(IS_ERR(map), "failed to create map: %ld\n", PTR_ERR(map)))
+ return 1;
+
+ for (i = 0; i < ELEM_CNT; i++) {
+ const void *oldk, *k = (const void *)(long)i;
+ void *oldv, *v = (void *)(long)(1024 + i);
+
+ err = hashmap__update(map, k, v, &oldk, &oldv);
+ if (CHECK(err != -ENOENT, "unexpected result: %d\n", err))
+ return 1;
+
+ if (i % 2) {
+ err = hashmap__add(map, k, v);
+ } else {
+ err = hashmap__set(map, k, v, &oldk, &oldv);
+ if (CHECK(oldk != NULL || oldv != NULL,
+ "unexpected k/v: %p=%p\n", oldk, oldv))
+ return 1;
+ }
+
+ if (CHECK(err, "failed to add k/v %ld = %ld: %d\n",
+ (long)k, (long)v, err))
+ return 1;
+
+ if (CHECK(!hashmap__find(map, k, &oldv),
+ "failed to find key %ld\n", (long)k))
+ return 1;
+ if (CHECK(oldv != v, "found value is wrong: %ld\n", (long)oldv))
+ return 1;
+ }
+
+ if (CHECK(hashmap__size(map) != ELEM_CNT,
+ "invalid map size: %zu\n", hashmap__size(map)))
+ return 1;
+ if (CHECK(hashmap__capacity(map) != exp_cap(hashmap__size(map)),
+ "unexpected map capacity: %zu\n", hashmap__capacity(map)))
+ return 1;
+
+ found_msk = 0;
+ hashmap__for_each_entry(map, entry, bkt) {
+ long k = (long)entry->key;
+ long v = (long)entry->value;
+
+ found_msk |= 1ULL << k;
+ if (CHECK(v - k != 1024, "invalid k/v pair: %ld = %ld\n", k, v))
+ return 1;
+ }
+ if (CHECK(found_msk != (1ULL << ELEM_CNT) - 1,
+ "not all keys iterated: %llx\n", found_msk))
+ return 1;
+
+ for (i = 0; i < ELEM_CNT; i++) {
+ const void *oldk, *k = (const void *)(long)i;
+ void *oldv, *v = (void *)(long)(256 + i);
+
+ err = hashmap__add(map, k, v);
+ if (CHECK(err != -EEXIST, "unexpected add result: %d\n", err))
+ return 1;
+
+ if (i % 2)
+ err = hashmap__update(map, k, v, &oldk, &oldv);
+ else
+ err = hashmap__set(map, k, v, &oldk, &oldv);
+
+ if (CHECK(err, "failed to update k/v %ld = %ld: %d\n",
+ (long)k, (long)v, err))
+ return 1;
+ if (CHECK(!hashmap__find(map, k, &oldv),
+ "failed to find key %ld\n", (long)k))
+ return 1;
+ if (CHECK(oldv != v, "found value is wrong: %ld\n", (long)oldv))
+ return 1;
+ }
+
+ if (CHECK(hashmap__size(map) != ELEM_CNT,
+ "invalid updated map size: %zu\n", hashmap__size(map)))
+ return 1;
+ if (CHECK(hashmap__capacity(map) != exp_cap(hashmap__size(map)),
+ "unexpected map capacity: %zu\n", hashmap__capacity(map)))
+ return 1;
+
+ found_msk = 0;
+ hashmap__for_each_entry_safe(map, entry, tmp, bkt) {
+ long k = (long)entry->key;
+ long v = (long)entry->value;
+
+ found_msk |= 1ULL << k;
+ if (CHECK(v - k != 256,
+ "invalid updated k/v pair: %ld = %ld\n", k, v))
+ return 1;
+ }
+ if (CHECK(found_msk != (1ULL << ELEM_CNT) - 1,
+ "not all keys iterated after update: %llx\n", found_msk))
+ return 1;
+
+ found_cnt = 0;
+ hashmap__for_each_key_entry(map, entry, (void *)0) {
+ found_cnt++;
+ }
+ if (CHECK(!found_cnt, "didn't find any entries for key 0\n"))
+ return 1;
+
+ found_msk = 0;
+ found_cnt = 0;
+ hashmap__for_each_key_entry_safe(map, entry, tmp, (void *)0) {
+ const void *oldk, *k;
+ void *oldv, *v;
+
+ k = entry->key;
+ v = entry->value;
+
+ found_cnt++;
+ found_msk |= 1ULL << (long)k;
+
+ if (CHECK(!hashmap__delete(map, k, &oldk, &oldv),
+ "failed to delete k/v %ld = %ld\n",
+ (long)k, (long)v))
+ return 1;
+ if (CHECK(oldk != k || oldv != v,
+ "invalid deleted k/v: expected %ld = %ld, got %ld = %ld\n",
+ (long)k, (long)v, (long)oldk, (long)oldv))
+ return 1;
+ if (CHECK(hashmap__delete(map, k, &oldk, &oldv),
+ "unexpectedly deleted k/v %ld = %ld\n",
+ (long)oldk, (long)oldv))
+ return 1;
+ }
+
+ if (CHECK(!found_cnt || !found_msk,
+ "didn't delete any key entries\n"))
+ return 1;
+ if (CHECK(hashmap__size(map) != ELEM_CNT - found_cnt,
+ "invalid updated map size (already deleted: %d): %zu\n",
+ found_cnt, hashmap__size(map)))
+ return 1;
+ if (CHECK(hashmap__capacity(map) != exp_cap(hashmap__size(map)),
+ "unexpected map capacity: %zu\n", hashmap__capacity(map)))
+ return 1;
+
+ hashmap__for_each_entry_safe(map, entry, tmp, bkt) {
+ const void *oldk, *k;
+ void *oldv, *v;
+
+ k = entry->key;
+ v = entry->value;
+
+ found_cnt++;
+ found_msk |= 1ULL << (long)k;
+
+ if (CHECK(!hashmap__delete(map, k, &oldk, &oldv),
+ "failed to delete k/v %ld = %ld\n",
+ (long)k, (long)v))
+ return 1;
+ if (CHECK(oldk != k || oldv != v,
+ "invalid old k/v: expect %ld = %ld, got %ld = %ld\n",
+ (long)k, (long)v, (long)oldk, (long)oldv))
+ return 1;
+ if (CHECK(hashmap__delete(map, k, &oldk, &oldv),
+ "unexpectedly deleted k/v %ld = %ld\n",
+ (long)k, (long)v))
+ return 1;
+ }
+
+ if (CHECK(found_cnt != ELEM_CNT || found_msk != (1ULL << ELEM_CNT) - 1,
+ "not all keys were deleted: found_cnt:%d, found_msk:%llx\n",
+ found_cnt, found_msk))
+ return 1;
+ if (CHECK(hashmap__size(map) != 0,
+ "invalid updated map size (already deleted: %d): %zu\n",
+ found_cnt, hashmap__size(map)))
+ return 1;
+
+ found_cnt = 0;
+ hashmap__for_each_entry(map, entry, bkt) {
+ CHECK(false, "unexpected map entries left: %ld = %ld\n",
+ (long)entry->key, (long)entry->value);
+ return 1;
+ }
+
+ hashmap__free(map);
+ hashmap__for_each_entry(map, entry, bkt) {
+ CHECK(false, "unexpected map entries left: %ld = %ld\n",
+ (long)entry->key, (long)entry->value);
+ return 1;
+ }
+
+ fprintf(stderr, "OK\n");
+ return 0;
+}
+
+size_t collision_hash_fn(const void *k, void *ctx)
+{
+ return 0;
+}
+
+int test_hashmap_multimap(void)
+{
+ void *k1 = (void *)0, *k2 = (void *)1;
+ struct hashmap_entry *entry;
+ struct hashmap *map;
+ long found_msk;
+ int err, bkt;
+
+ fprintf(stderr, "%s: ", __func__);
+
+ /* force collisions */
+ map = hashmap__new(collision_hash_fn, equal_fn, NULL);
+ if (CHECK(IS_ERR(map), "failed to create map: %ld\n", PTR_ERR(map)))
+ return 1;
+
+
+ /* set up multimap:
+ * [0] -> 1, 2, 4;
+ * [1] -> 8, 16, 32;
+ */
+ err = hashmap__append(map, k1, (void *)1);
+ if (CHECK(err, "failed to add k/v: %d\n", err))
+ return 1;
+ err = hashmap__append(map, k1, (void *)2);
+ if (CHECK(err, "failed to add k/v: %d\n", err))
+ return 1;
+ err = hashmap__append(map, k1, (void *)4);
+ if (CHECK(err, "failed to add k/v: %d\n", err))
+ return 1;
+
+ err = hashmap__append(map, k2, (void *)8);
+ if (CHECK(err, "failed to add k/v: %d\n", err))
+ return 1;
+ err = hashmap__append(map, k2, (void *)16);
+ if (CHECK(err, "failed to add k/v: %d\n", err))
+ return 1;
+ err = hashmap__append(map, k2, (void *)32);
+ if (CHECK(err, "failed to add k/v: %d\n", err))
+ return 1;
+
+ if (CHECK(hashmap__size(map) != 6,
+ "invalid map size: %zu\n", hashmap__size(map)))
+ return 1;
+
+ /* verify global iteration still works and sees all values */
+ found_msk = 0;
+ hashmap__for_each_entry(map, entry, bkt) {
+ found_msk |= (long)entry->value;
+ }
+ if (CHECK(found_msk != (1 << 6) - 1,
+ "not all keys iterated: %lx\n", found_msk))
+ return 1;
+
+ /* iterate values for key 1 */
+ found_msk = 0;
+ hashmap__for_each_key_entry(map, entry, k1) {
+ found_msk |= (long)entry->value;
+ }
+ if (CHECK(found_msk != (1 | 2 | 4),
+ "invalid k1 values: %lx\n", found_msk))
+ return 1;
+
+ /* iterate values for key 2 */
+ found_msk = 0;
+ hashmap__for_each_key_entry(map, entry, k2) {
+ found_msk |= (long)entry->value;
+ }
+ if (CHECK(found_msk != (8 | 16 | 32),
+ "invalid k2 values: %lx\n", found_msk))
+ return 1;
+
+ fprintf(stderr, "OK\n");
+ return 0;
+}
+
+int test_hashmap_empty()
+{
+ struct hashmap_entry *entry;
+ int bkt;
+ struct hashmap *map;
+ void *k = (void *)0;
+
+ fprintf(stderr, "%s: ", __func__);
+
+ /* force collisions */
+ map = hashmap__new(hash_fn, equal_fn, NULL);
+ if (CHECK(IS_ERR(map), "failed to create map: %ld\n", PTR_ERR(map)))
+ return 1;
+
+ if (CHECK(hashmap__size(map) != 0,
+ "invalid map size: %zu\n", hashmap__size(map)))
+ return 1;
+ if (CHECK(hashmap__capacity(map) != 0,
+ "invalid map capacity: %zu\n", hashmap__capacity(map)))
+ return 1;
+ if (CHECK(hashmap__find(map, k, NULL), "unexpected find\n"))
+ return 1;
+ if (CHECK(hashmap__delete(map, k, NULL, NULL), "unexpected delete\n"))
+ return 1;
+
+ hashmap__for_each_entry(map, entry, bkt) {
+ CHECK(false, "unexpected iterated entry\n");
+ return 1;
+ }
+ hashmap__for_each_key_entry(map, entry, k) {
+ CHECK(false, "unexpected key entry\n");
+ return 1;
+ }
+
+ fprintf(stderr, "OK\n");
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ bool failed = false;
+
+ if (test_hashmap_generic())
+ failed = true;
+ if (test_hashmap_multimap())
+ failed = true;
+ if (test_hashmap_empty())
+ failed = true;
+
+ return failed;
+}
diff --git a/tools/testing/selftests/bpf/test_iptunnel_common.h b/tools/testing/selftests/bpf/test_iptunnel_common.h
index e4cd252a1b20..1d5ba839ddea 100644
--- a/tools/testing/selftests/bpf/test_iptunnel_common.h
+++ b/tools/testing/selftests/bpf/test_iptunnel_common.h
@@ -1,8 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2016 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
*/
#ifndef _TEST_IPTNL_COMMON_H
#define _TEST_IPTNL_COMMON_H
diff --git a/tools/testing/selftests/bpf/test_libbpf_open.c b/tools/testing/selftests/bpf/test_libbpf_open.c
index 8fcd1c076add..9e9db202d218 100644
--- a/tools/testing/selftests/bpf/test_libbpf_open.c
+++ b/tools/testing/selftests/bpf/test_libbpf_open.c
@@ -11,6 +11,8 @@ static const char *__doc__ =
#include <bpf/libbpf.h>
#include <getopt.h>
+#include "bpf_rlimit.h"
+
static const struct option long_options[] = {
{"help", no_argument, NULL, 'h' },
{"debug", no_argument, NULL, 'D' },
@@ -34,23 +36,16 @@ static void usage(char *argv[])
printf("\n");
}
-#define DEFINE_PRINT_FN(name, enabled) \
-static int libbpf_##name(const char *fmt, ...) \
-{ \
- va_list args; \
- int ret; \
- \
- va_start(args, fmt); \
- if (enabled) { \
- fprintf(stderr, "[" #name "] "); \
- ret = vfprintf(stderr, fmt, args); \
- } \
- va_end(args); \
- return ret; \
+static bool debug = 0;
+static int libbpf_debug_print(enum libbpf_print_level level,
+ const char *fmt, va_list args)
+{
+ if (level == LIBBPF_DEBUG && !debug)
+ return 0;
+
+ fprintf(stderr, "[%d] ", level);
+ return vfprintf(stderr, fmt, args);
}
-DEFINE_PRINT_FN(warning, 1)
-DEFINE_PRINT_FN(info, 1)
-DEFINE_PRINT_FN(debug, 1)
#define EXIT_FAIL_LIBBPF EXIT_FAILURE
#define EXIT_FAIL_OPTION 2
@@ -74,7 +69,7 @@ int test_walk_maps(struct bpf_object *obj, bool verbose)
struct bpf_map *map;
int cnt = 0;
- bpf_map__for_each(map, obj) {
+ bpf_object__for_each_map(map, obj) {
cnt++;
if (verbose)
printf("Map (count:%d) name: %s\n", cnt,
@@ -120,15 +115,14 @@ int main(int argc, char **argv)
int longindex = 0;
int opt;
- libbpf_set_print(libbpf_warning, libbpf_info, NULL);
+ libbpf_set_print(libbpf_debug_print);
/* Parse commands line args */
while ((opt = getopt_long(argc, argv, "hDq",
long_options, &longindex)) != -1) {
switch (opt) {
case 'D':
- libbpf_set_print(libbpf_warning, libbpf_info,
- libbpf_debug);
+ debug = 1;
break;
case 'q': /* Use in scripting mode */
verbose = 0;
diff --git a/tools/testing/selftests/bpf/test_lpm_map.c b/tools/testing/selftests/bpf/test_lpm_map.c
index 147e34cfceb7..006be3963977 100644
--- a/tools/testing/selftests/bpf/test_lpm_map.c
+++ b/tools/testing/selftests/bpf/test_lpm_map.c
@@ -474,6 +474,16 @@ static void test_lpm_delete(void)
assert(bpf_map_lookup_elem(map_fd, key, &value) == -1 &&
errno == ENOENT);
+ key->prefixlen = 30; // unused prefix so far
+ inet_pton(AF_INET, "192.255.0.0", key->data);
+ assert(bpf_map_delete_elem(map_fd, key) == -1 &&
+ errno == ENOENT);
+
+ key->prefixlen = 16; // same prefix as the root node
+ inet_pton(AF_INET, "192.255.0.0", key->data);
+ assert(bpf_map_delete_elem(map_fd, key) == -1 &&
+ errno == ENOENT);
+
/* assert initial lookup */
key->prefixlen = 32;
inet_pton(AF_INET, "192.168.0.1", key->data);
@@ -563,13 +573,13 @@ static void test_lpm_get_next_key(void)
/* add one more element (total two) */
key_p->prefixlen = 24;
- inet_pton(AF_INET, "192.168.0.0", key_p->data);
+ inet_pton(AF_INET, "192.168.128.0", key_p->data);
assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
memset(key_p, 0, key_size);
assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
assert(key_p->prefixlen == 24 && key_p->data[0] == 192 &&
- key_p->data[1] == 168 && key_p->data[2] == 0);
+ key_p->data[1] == 168 && key_p->data[2] == 128);
memset(next_key_p, 0, key_size);
assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
@@ -582,7 +592,7 @@ static void test_lpm_get_next_key(void)
/* Add one more element (total three) */
key_p->prefixlen = 24;
- inet_pton(AF_INET, "192.168.128.0", key_p->data);
+ inet_pton(AF_INET, "192.168.0.0", key_p->data);
assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
memset(key_p, 0, key_size);
@@ -633,6 +643,41 @@ static void test_lpm_get_next_key(void)
assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == -1 &&
errno == ENOENT);
+ /* Add one more element (total five) */
+ key_p->prefixlen = 28;
+ inet_pton(AF_INET, "192.168.1.128", key_p->data);
+ assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
+
+ memset(key_p, 0, key_size);
+ assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
+ assert(key_p->prefixlen == 24 && key_p->data[0] == 192 &&
+ key_p->data[1] == 168 && key_p->data[2] == 0);
+
+ memset(next_key_p, 0, key_size);
+ assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+ assert(next_key_p->prefixlen == 28 && next_key_p->data[0] == 192 &&
+ next_key_p->data[1] == 168 && next_key_p->data[2] == 1 &&
+ next_key_p->data[3] == 128);
+
+ memcpy(key_p, next_key_p, key_size);
+ assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+ assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+ next_key_p->data[1] == 168 && next_key_p->data[2] == 1);
+
+ memcpy(key_p, next_key_p, key_size);
+ assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+ assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+ next_key_p->data[1] == 168 && next_key_p->data[2] == 128);
+
+ memcpy(key_p, next_key_p, key_size);
+ assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+ assert(next_key_p->prefixlen == 16 && next_key_p->data[0] == 192 &&
+ next_key_p->data[1] == 168);
+
+ memcpy(key_p, next_key_p, key_size);
+ assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == -1 &&
+ errno == ENOENT);
+
/* no exact matching key should return the first one in post order */
key_p->prefixlen = 22;
inet_pton(AF_INET, "192.168.1.0", key_p->data);
diff --git a/tools/testing/selftests/bpf/test_lru_map.c b/tools/testing/selftests/bpf/test_lru_map.c
index 781c7de343be..6a5349f9eb14 100644
--- a/tools/testing/selftests/bpf/test_lru_map.c
+++ b/tools/testing/selftests/bpf/test_lru_map.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
*/
#define _GNU_SOURCE
#include <stdio.h>
@@ -18,9 +15,11 @@
#include <sys/wait.h>
#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
#include "bpf_util.h"
#include "bpf_rlimit.h"
+#include "../../../include/linux/filter.h"
#define LOCAL_FREE_TARGET (128)
#define PERCPU_FREE_TARGET (4)
@@ -40,6 +39,68 @@ static int create_map(int map_type, int map_flags, unsigned int size)
return map_fd;
}
+static int bpf_map_lookup_elem_with_ref_bit(int fd, unsigned long long key,
+ void *value)
+{
+ struct bpf_load_program_attr prog;
+ struct bpf_create_map_attr map;
+ struct bpf_insn insns[] = {
+ BPF_LD_MAP_VALUE(BPF_REG_9, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, fd),
+ BPF_LD_IMM64(BPF_REG_3, key),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_9, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ };
+ __u8 data[64] = {};
+ int mfd, pfd, ret, zero = 0;
+ __u32 retval = 0;
+
+ memset(&map, 0, sizeof(map));
+ map.map_type = BPF_MAP_TYPE_ARRAY;
+ map.key_size = sizeof(int);
+ map.value_size = sizeof(unsigned long long);
+ map.max_entries = 1;
+
+ mfd = bpf_create_map_xattr(&map);
+ if (mfd < 0)
+ return -1;
+
+ insns[0].imm = mfd;
+
+ memset(&prog, 0, sizeof(prog));
+ prog.prog_type = BPF_PROG_TYPE_SCHED_CLS;
+ prog.insns = insns;
+ prog.insns_cnt = ARRAY_SIZE(insns);
+ prog.license = "GPL";
+
+ pfd = bpf_load_program_xattr(&prog, NULL, 0);
+ if (pfd < 0) {
+ close(mfd);
+ return -1;
+ }
+
+ ret = bpf_prog_test_run(pfd, 1, data, sizeof(data),
+ NULL, NULL, &retval, NULL);
+ if (ret < 0 || retval != 42) {
+ ret = -1;
+ } else {
+ assert(!bpf_map_lookup_elem(mfd, &zero, value));
+ ret = 0;
+ }
+ close(pfd);
+ close(mfd);
+ return ret;
+}
+
static int map_subset(int map0, int map1)
{
unsigned long long next_key = 0;
@@ -87,7 +148,7 @@ static int sched_next_online(int pid, int *next_to_try)
return ret;
}
-/* Size of the LRU amp is 2
+/* Size of the LRU map is 2
* Add key=1 (+1 key)
* Add key=2 (+1 key)
* Lookup Key=1
@@ -157,7 +218,7 @@ static void test_lru_sanity0(int map_type, int map_flags)
* stop LRU from removing key=1
*/
key = 1;
- assert(!bpf_map_lookup_elem(lru_map_fd, &key, value));
+ assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
assert(value[0] == 1234);
key = 3;
@@ -167,7 +228,8 @@ static void test_lru_sanity0(int map_type, int map_flags)
/* key=2 has been removed from the LRU */
key = 2;
- assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -1);
+ assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -1 &&
+ errno == ENOENT);
assert(map_equal(lru_map_fd, expected_map_fd));
@@ -221,7 +283,7 @@ static void test_lru_sanity1(int map_type, int map_flags, unsigned int tgt_free)
/* Lookup 1 to tgt_free/2 */
end_key = 1 + batch_size;
for (key = 1; key < end_key; key++) {
- assert(!bpf_map_lookup_elem(lru_map_fd, &key, value));
+ assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
assert(!bpf_map_update_elem(expected_map_fd, &key, value,
BPF_NOEXIST));
}
@@ -322,10 +384,11 @@ static void test_lru_sanity2(int map_type, int map_flags, unsigned int tgt_free)
end_key = 1 + batch_size;
value[0] = 4321;
for (key = 1; key < end_key; key++) {
- assert(bpf_map_lookup_elem(lru_map_fd, &key, value));
+ assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -1 &&
+ errno == ENOENT);
assert(!bpf_map_update_elem(lru_map_fd, &key, value,
BPF_NOEXIST));
- assert(!bpf_map_lookup_elem(lru_map_fd, &key, value));
+ assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
assert(value[0] == 4321);
assert(!bpf_map_update_elem(expected_map_fd, &key, value,
BPF_NOEXIST));
@@ -404,7 +467,7 @@ static void test_lru_sanity3(int map_type, int map_flags, unsigned int tgt_free)
/* Lookup key 1 to tgt_free*3/2 */
end_key = tgt_free + batch_size;
for (key = 1; key < end_key; key++) {
- assert(!bpf_map_lookup_elem(lru_map_fd, &key, value));
+ assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
assert(!bpf_map_update_elem(expected_map_fd, &key, value,
BPF_NOEXIST));
}
@@ -463,7 +526,7 @@ static void test_lru_sanity4(int map_type, int map_flags, unsigned int tgt_free)
assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
for (key = 1; key <= tgt_free; key++) {
- assert(!bpf_map_lookup_elem(lru_map_fd, &key, value));
+ assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
assert(!bpf_map_update_elem(expected_map_fd, &key, value,
BPF_NOEXIST));
}
@@ -494,16 +557,16 @@ static void do_test_lru_sanity5(unsigned long long last_key, int map_fd)
unsigned long long key, value[nr_cpus];
/* Ensure the last key inserted by previous CPU can be found */
- assert(!bpf_map_lookup_elem(map_fd, &last_key, value));
-
+ assert(!bpf_map_lookup_elem_with_ref_bit(map_fd, last_key, value));
value[0] = 1234;
key = last_key + 1;
assert(!bpf_map_update_elem(map_fd, &key, value, BPF_NOEXIST));
- assert(!bpf_map_lookup_elem(map_fd, &key, value));
+ assert(!bpf_map_lookup_elem_with_ref_bit(map_fd, key, value));
/* Cannot find the last key because it was removed by LRU */
- assert(bpf_map_lookup_elem(map_fd, &last_key, value));
+ assert(bpf_map_lookup_elem(map_fd, &last_key, value) == -1 &&
+ errno == ENOENT);
}
/* Test map with only one element */
@@ -590,8 +653,8 @@ static void test_lru_sanity6(int map_type, int map_flags, int tgt_free)
/* Make ref bit sticky for key: [1, tgt_free] */
for (stable_key = 1; stable_key <= tgt_free; stable_key++) {
/* Mark the ref bit */
- assert(!bpf_map_lookup_elem(lru_map_fd, &stable_key,
- value));
+ assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd,
+ stable_key, value));
}
assert(!bpf_map_update_elem(lru_map_fd, &key, value,
BPF_NOEXIST));
@@ -612,6 +675,198 @@ static void test_lru_sanity6(int map_type, int map_flags, int tgt_free)
printf("Pass\n");
}
+/* Size of the LRU map is 2
+ * Add key=1 (+1 key)
+ * Add key=2 (+1 key)
+ * Lookup Key=1 (datapath)
+ * Lookup Key=2 (syscall)
+ * Add Key=3
+ * => Key=2 will be removed by LRU
+ * Iterate map. Only found key=1 and key=3
+ */
+static void test_lru_sanity7(int map_type, int map_flags)
+{
+ unsigned long long key, value[nr_cpus];
+ int lru_map_fd, expected_map_fd;
+ int next_cpu = 0;
+
+ printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+ map_flags);
+
+ assert(sched_next_online(0, &next_cpu) != -1);
+
+ if (map_flags & BPF_F_NO_COMMON_LRU)
+ lru_map_fd = create_map(map_type, map_flags, 2 * nr_cpus);
+ else
+ lru_map_fd = create_map(map_type, map_flags, 2);
+ assert(lru_map_fd != -1);
+
+ expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, 2);
+ assert(expected_map_fd != -1);
+
+ value[0] = 1234;
+
+ /* insert key=1 element */
+
+ key = 1;
+ assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+ assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+ BPF_NOEXIST));
+
+ /* BPF_NOEXIST means: add new element if it doesn't exist */
+ assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST) == -1
+ /* key=1 already exists */
+ && errno == EEXIST);
+
+ /* insert key=2 element */
+
+ /* check that key=2 is not found */
+ key = 2;
+ assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -1 &&
+ errno == ENOENT);
+
+ /* BPF_EXIST means: update existing element */
+ assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_EXIST) == -1 &&
+ /* key=2 is not there */
+ errno == ENOENT);
+
+ assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+
+ /* insert key=3 element */
+
+ /* check that key=3 is not found */
+ key = 3;
+ assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -1 &&
+ errno == ENOENT);
+
+ /* check that key=1 can be found and mark the ref bit to
+ * stop LRU from removing key=1
+ */
+ key = 1;
+ assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
+ assert(value[0] == 1234);
+
+ /* check that key=2 can be found and do _not_ mark ref bit.
+ * this will be evicted on next update.
+ */
+ key = 2;
+ assert(!bpf_map_lookup_elem(lru_map_fd, &key, value));
+ assert(value[0] == 1234);
+
+ key = 3;
+ assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+ assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+ BPF_NOEXIST));
+
+ /* key=2 has been removed from the LRU */
+ key = 2;
+ assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -1 &&
+ errno == ENOENT);
+
+ assert(map_equal(lru_map_fd, expected_map_fd));
+
+ close(expected_map_fd);
+ close(lru_map_fd);
+
+ printf("Pass\n");
+}
+
+/* Size of the LRU map is 2
+ * Add key=1 (+1 key)
+ * Add key=2 (+1 key)
+ * Lookup Key=1 (syscall)
+ * Lookup Key=2 (datapath)
+ * Add Key=3
+ * => Key=1 will be removed by LRU
+ * Iterate map. Only found key=2 and key=3
+ */
+static void test_lru_sanity8(int map_type, int map_flags)
+{
+ unsigned long long key, value[nr_cpus];
+ int lru_map_fd, expected_map_fd;
+ int next_cpu = 0;
+
+ printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+ map_flags);
+
+ assert(sched_next_online(0, &next_cpu) != -1);
+
+ if (map_flags & BPF_F_NO_COMMON_LRU)
+ lru_map_fd = create_map(map_type, map_flags, 2 * nr_cpus);
+ else
+ lru_map_fd = create_map(map_type, map_flags, 2);
+ assert(lru_map_fd != -1);
+
+ expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, 2);
+ assert(expected_map_fd != -1);
+
+ value[0] = 1234;
+
+ /* insert key=1 element */
+
+ key = 1;
+ assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+
+ /* BPF_NOEXIST means: add new element if it doesn't exist */
+ assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST) == -1
+ /* key=1 already exists */
+ && errno == EEXIST);
+
+ /* insert key=2 element */
+
+ /* check that key=2 is not found */
+ key = 2;
+ assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -1 &&
+ errno == ENOENT);
+
+ /* BPF_EXIST means: update existing element */
+ assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_EXIST) == -1 &&
+ /* key=2 is not there */
+ errno == ENOENT);
+
+ assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+ assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+ BPF_NOEXIST));
+
+ /* insert key=3 element */
+
+ /* check that key=3 is not found */
+ key = 3;
+ assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -1 &&
+ errno == ENOENT);
+
+ /* check that key=1 can be found and do _not_ mark ref bit.
+ * this will be evicted on next update.
+ */
+ key = 1;
+ assert(!bpf_map_lookup_elem(lru_map_fd, &key, value));
+ assert(value[0] == 1234);
+
+ /* check that key=2 can be found and mark the ref bit to
+ * stop LRU from removing key=2
+ */
+ key = 2;
+ assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
+ assert(value[0] == 1234);
+
+ key = 3;
+ assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+ assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+ BPF_NOEXIST));
+
+ /* key=1 has been removed from the LRU */
+ key = 1;
+ assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -1 &&
+ errno == ENOENT);
+
+ assert(map_equal(lru_map_fd, expected_map_fd));
+
+ close(expected_map_fd);
+ close(lru_map_fd);
+
+ printf("Pass\n");
+}
+
int main(int argc, char **argv)
{
int map_types[] = {BPF_MAP_TYPE_LRU_HASH,
@@ -637,6 +892,8 @@ int main(int argc, char **argv)
test_lru_sanity4(map_types[t], map_flags[f], tgt_free);
test_lru_sanity5(map_types[t], map_flags[f]);
test_lru_sanity6(map_types[t], map_flags[f], tgt_free);
+ test_lru_sanity7(map_types[t], map_flags[f]);
+ test_lru_sanity8(map_types[t], map_flags[f]);
printf("\n");
}
diff --git a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh
new file mode 100755
index 000000000000..acf7a74f97cd
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh
@@ -0,0 +1,464 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Setup/topology:
+#
+# NS1 NS2 NS3
+# veth1 <---> veth2 veth3 <---> veth4 (the top route)
+# veth5 <---> veth6 veth7 <---> veth8 (the bottom route)
+#
+# each vethN gets IPv[4|6]_N address
+#
+# IPv*_SRC = IPv*_1
+# IPv*_DST = IPv*_4
+#
+# all tests test pings from IPv*_SRC to IPv*_DST
+#
+# by default, routes are configured to allow packets to go
+# IP*_1 <=> IP*_2 <=> IP*_3 <=> IP*_4 (the top route)
+#
+# a GRE device is installed in NS3 with IPv*_GRE, and
+# NS1/NS2 are configured to route packets to IPv*_GRE via IP*_8
+# (the bottom route)
+#
+# Tests:
+#
+# 1. routes NS2->IPv*_DST are brought down, so the only way a ping
+# from IP*_SRC to IP*_DST can work is via IPv*_GRE
+#
+# 2a. in an egress test, a bpf LWT_XMIT program is installed on veth1
+# that encaps the packets with an IP/GRE header to route to IPv*_GRE
+#
+# ping: SRC->[encap at veth1:egress]->GRE:decap->DST
+# ping replies go DST->SRC directly
+#
+# 2b. in an ingress test, a bpf LWT_IN program is installed on veth2
+# that encaps the packets with an IP/GRE header to route to IPv*_GRE
+#
+# ping: SRC->[encap at veth2:ingress]->GRE:decap->DST
+# ping replies go DST->SRC directly
+
+if [[ $EUID -ne 0 ]]; then
+ echo "This script must be run as root"
+ echo "FAIL"
+ exit 1
+fi
+
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"
+readonly NS3="ns3-$(mktemp -u XXXXXX)"
+
+readonly IPv4_1="172.16.1.100"
+readonly IPv4_2="172.16.2.100"
+readonly IPv4_3="172.16.3.100"
+readonly IPv4_4="172.16.4.100"
+readonly IPv4_5="172.16.5.100"
+readonly IPv4_6="172.16.6.100"
+readonly IPv4_7="172.16.7.100"
+readonly IPv4_8="172.16.8.100"
+readonly IPv4_GRE="172.16.16.100"
+
+readonly IPv4_SRC=$IPv4_1
+readonly IPv4_DST=$IPv4_4
+
+readonly IPv6_1="fb01::1"
+readonly IPv6_2="fb02::1"
+readonly IPv6_3="fb03::1"
+readonly IPv6_4="fb04::1"
+readonly IPv6_5="fb05::1"
+readonly IPv6_6="fb06::1"
+readonly IPv6_7="fb07::1"
+readonly IPv6_8="fb08::1"
+readonly IPv6_GRE="fb10::1"
+
+readonly IPv6_SRC=$IPv6_1
+readonly IPv6_DST=$IPv6_4
+
+TEST_STATUS=0
+TESTS_SUCCEEDED=0
+TESTS_FAILED=0
+
+TMPFILE=""
+
+process_test_results()
+{
+ if [[ "${TEST_STATUS}" -eq 0 ]] ; then
+ echo "PASS"
+ TESTS_SUCCEEDED=$((TESTS_SUCCEEDED+1))
+ else
+ echo "FAIL"
+ TESTS_FAILED=$((TESTS_FAILED+1))
+ fi
+}
+
+print_test_summary_and_exit()
+{
+ echo "passed tests: ${TESTS_SUCCEEDED}"
+ echo "failed tests: ${TESTS_FAILED}"
+ if [ "${TESTS_FAILED}" -eq "0" ] ; then
+ exit 0
+ else
+ exit 1
+ fi
+}
+
+setup()
+{
+ set -e # exit on error
+ TEST_STATUS=0
+
+ # create devices and namespaces
+ ip netns add "${NS1}"
+ ip netns add "${NS2}"
+ ip netns add "${NS3}"
+
+ ip link add veth1 type veth peer name veth2
+ ip link add veth3 type veth peer name veth4
+ ip link add veth5 type veth peer name veth6
+ ip link add veth7 type veth peer name veth8
+
+ ip netns exec ${NS2} sysctl -wq net.ipv4.ip_forward=1
+ ip netns exec ${NS2} sysctl -wq net.ipv6.conf.all.forwarding=1
+
+ ip link set veth1 netns ${NS1}
+ ip link set veth2 netns ${NS2}
+ ip link set veth3 netns ${NS2}
+ ip link set veth4 netns ${NS3}
+ ip link set veth5 netns ${NS1}
+ ip link set veth6 netns ${NS2}
+ ip link set veth7 netns ${NS2}
+ ip link set veth8 netns ${NS3}
+
+ if [ ! -z "${VRF}" ] ; then
+ ip -netns ${NS1} link add red type vrf table 1001
+ ip -netns ${NS1} link set red up
+ ip -netns ${NS1} route add table 1001 unreachable default metric 8192
+ ip -netns ${NS1} -6 route add table 1001 unreachable default metric 8192
+ ip -netns ${NS1} link set veth1 vrf red
+ ip -netns ${NS1} link set veth5 vrf red
+
+ ip -netns ${NS2} link add red type vrf table 1001
+ ip -netns ${NS2} link set red up
+ ip -netns ${NS2} route add table 1001 unreachable default metric 8192
+ ip -netns ${NS2} -6 route add table 1001 unreachable default metric 8192
+ ip -netns ${NS2} link set veth2 vrf red
+ ip -netns ${NS2} link set veth3 vrf red
+ ip -netns ${NS2} link set veth6 vrf red
+ ip -netns ${NS2} link set veth7 vrf red
+ fi
+
+ # configure addesses: the top route (1-2-3-4)
+ ip -netns ${NS1} addr add ${IPv4_1}/24 dev veth1
+ ip -netns ${NS2} addr add ${IPv4_2}/24 dev veth2
+ ip -netns ${NS2} addr add ${IPv4_3}/24 dev veth3
+ ip -netns ${NS3} addr add ${IPv4_4}/24 dev veth4
+ ip -netns ${NS1} -6 addr add ${IPv6_1}/128 nodad dev veth1
+ ip -netns ${NS2} -6 addr add ${IPv6_2}/128 nodad dev veth2
+ ip -netns ${NS2} -6 addr add ${IPv6_3}/128 nodad dev veth3
+ ip -netns ${NS3} -6 addr add ${IPv6_4}/128 nodad dev veth4
+
+ # configure addresses: the bottom route (5-6-7-8)
+ ip -netns ${NS1} addr add ${IPv4_5}/24 dev veth5
+ ip -netns ${NS2} addr add ${IPv4_6}/24 dev veth6
+ ip -netns ${NS2} addr add ${IPv4_7}/24 dev veth7
+ ip -netns ${NS3} addr add ${IPv4_8}/24 dev veth8
+ ip -netns ${NS1} -6 addr add ${IPv6_5}/128 nodad dev veth5
+ ip -netns ${NS2} -6 addr add ${IPv6_6}/128 nodad dev veth6
+ ip -netns ${NS2} -6 addr add ${IPv6_7}/128 nodad dev veth7
+ ip -netns ${NS3} -6 addr add ${IPv6_8}/128 nodad dev veth8
+
+ ip -netns ${NS1} link set dev veth1 up
+ ip -netns ${NS2} link set dev veth2 up
+ ip -netns ${NS2} link set dev veth3 up
+ ip -netns ${NS3} link set dev veth4 up
+ ip -netns ${NS1} link set dev veth5 up
+ ip -netns ${NS2} link set dev veth6 up
+ ip -netns ${NS2} link set dev veth7 up
+ ip -netns ${NS3} link set dev veth8 up
+
+ # configure routes: IP*_SRC -> veth1/IP*_2 (= top route) default;
+ # the bottom route to specific bottom addresses
+
+ # NS1
+ # top route
+ ip -netns ${NS1} route add ${IPv4_2}/32 dev veth1 ${VRF}
+ ip -netns ${NS1} route add default dev veth1 via ${IPv4_2} ${VRF} # go top by default
+ ip -netns ${NS1} -6 route add ${IPv6_2}/128 dev veth1 ${VRF}
+ ip -netns ${NS1} -6 route add default dev veth1 via ${IPv6_2} ${VRF} # go top by default
+ # bottom route
+ ip -netns ${NS1} route add ${IPv4_6}/32 dev veth5 ${VRF}
+ ip -netns ${NS1} route add ${IPv4_7}/32 dev veth5 via ${IPv4_6} ${VRF}
+ ip -netns ${NS1} route add ${IPv4_8}/32 dev veth5 via ${IPv4_6} ${VRF}
+ ip -netns ${NS1} -6 route add ${IPv6_6}/128 dev veth5 ${VRF}
+ ip -netns ${NS1} -6 route add ${IPv6_7}/128 dev veth5 via ${IPv6_6} ${VRF}
+ ip -netns ${NS1} -6 route add ${IPv6_8}/128 dev veth5 via ${IPv6_6} ${VRF}
+
+ # NS2
+ # top route
+ ip -netns ${NS2} route add ${IPv4_1}/32 dev veth2 ${VRF}
+ ip -netns ${NS2} route add ${IPv4_4}/32 dev veth3 ${VRF}
+ ip -netns ${NS2} -6 route add ${IPv6_1}/128 dev veth2 ${VRF}
+ ip -netns ${NS2} -6 route add ${IPv6_4}/128 dev veth3 ${VRF}
+ # bottom route
+ ip -netns ${NS2} route add ${IPv4_5}/32 dev veth6 ${VRF}
+ ip -netns ${NS2} route add ${IPv4_8}/32 dev veth7 ${VRF}
+ ip -netns ${NS2} -6 route add ${IPv6_5}/128 dev veth6 ${VRF}
+ ip -netns ${NS2} -6 route add ${IPv6_8}/128 dev veth7 ${VRF}
+
+ # NS3
+ # top route
+ ip -netns ${NS3} route add ${IPv4_3}/32 dev veth4
+ ip -netns ${NS3} route add ${IPv4_1}/32 dev veth4 via ${IPv4_3}
+ ip -netns ${NS3} route add ${IPv4_2}/32 dev veth4 via ${IPv4_3}
+ ip -netns ${NS3} -6 route add ${IPv6_3}/128 dev veth4
+ ip -netns ${NS3} -6 route add ${IPv6_1}/128 dev veth4 via ${IPv6_3}
+ ip -netns ${NS3} -6 route add ${IPv6_2}/128 dev veth4 via ${IPv6_3}
+ # bottom route
+ ip -netns ${NS3} route add ${IPv4_7}/32 dev veth8
+ ip -netns ${NS3} route add ${IPv4_5}/32 dev veth8 via ${IPv4_7}
+ ip -netns ${NS3} route add ${IPv4_6}/32 dev veth8 via ${IPv4_7}
+ ip -netns ${NS3} -6 route add ${IPv6_7}/128 dev veth8
+ ip -netns ${NS3} -6 route add ${IPv6_5}/128 dev veth8 via ${IPv6_7}
+ ip -netns ${NS3} -6 route add ${IPv6_6}/128 dev veth8 via ${IPv6_7}
+
+ # configure IPv4 GRE device in NS3, and a route to it via the "bottom" route
+ ip -netns ${NS3} tunnel add gre_dev mode gre remote ${IPv4_1} local ${IPv4_GRE} ttl 255
+ ip -netns ${NS3} link set gre_dev up
+ ip -netns ${NS3} addr add ${IPv4_GRE} dev gre_dev
+ ip -netns ${NS1} route add ${IPv4_GRE}/32 dev veth5 via ${IPv4_6} ${VRF}
+ ip -netns ${NS2} route add ${IPv4_GRE}/32 dev veth7 via ${IPv4_8} ${VRF}
+
+
+ # configure IPv6 GRE device in NS3, and a route to it via the "bottom" route
+ ip -netns ${NS3} -6 tunnel add name gre6_dev mode ip6gre remote ${IPv6_1} local ${IPv6_GRE} ttl 255
+ ip -netns ${NS3} link set gre6_dev up
+ ip -netns ${NS3} -6 addr add ${IPv6_GRE} nodad dev gre6_dev
+ ip -netns ${NS1} -6 route add ${IPv6_GRE}/128 dev veth5 via ${IPv6_6} ${VRF}
+ ip -netns ${NS2} -6 route add ${IPv6_GRE}/128 dev veth7 via ${IPv6_8} ${VRF}
+
+ # rp_filter gets confused by what these tests are doing, so disable it
+ ip netns exec ${NS1} sysctl -wq net.ipv4.conf.all.rp_filter=0
+ ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0
+ ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0
+
+ TMPFILE=$(mktemp /tmp/test_lwt_ip_encap.XXXXXX)
+
+ sleep 1 # reduce flakiness
+ set +e
+}
+
+cleanup()
+{
+ if [ -f ${TMPFILE} ] ; then
+ rm ${TMPFILE}
+ fi
+
+ ip netns del ${NS1} 2> /dev/null
+ ip netns del ${NS2} 2> /dev/null
+ ip netns del ${NS3} 2> /dev/null
+}
+
+trap cleanup EXIT
+
+remove_routes_to_gredev()
+{
+ ip -netns ${NS1} route del ${IPv4_GRE} dev veth5 ${VRF}
+ ip -netns ${NS2} route del ${IPv4_GRE} dev veth7 ${VRF}
+ ip -netns ${NS1} -6 route del ${IPv6_GRE}/128 dev veth5 ${VRF}
+ ip -netns ${NS2} -6 route del ${IPv6_GRE}/128 dev veth7 ${VRF}
+}
+
+add_unreachable_routes_to_gredev()
+{
+ ip -netns ${NS1} route add unreachable ${IPv4_GRE}/32 ${VRF}
+ ip -netns ${NS2} route add unreachable ${IPv4_GRE}/32 ${VRF}
+ ip -netns ${NS1} -6 route add unreachable ${IPv6_GRE}/128 ${VRF}
+ ip -netns ${NS2} -6 route add unreachable ${IPv6_GRE}/128 ${VRF}
+}
+
+test_ping()
+{
+ local readonly PROTO=$1
+ local readonly EXPECTED=$2
+ local RET=0
+
+ if [ "${PROTO}" == "IPv4" ] ; then
+ ip netns exec ${NS1} ping -c 1 -W 1 -I veth1 ${IPv4_DST} 2>&1 > /dev/null
+ RET=$?
+ elif [ "${PROTO}" == "IPv6" ] ; then
+ ip netns exec ${NS1} ping6 -c 1 -W 6 -I veth1 ${IPv6_DST} 2>&1 > /dev/null
+ RET=$?
+ else
+ echo " test_ping: unknown PROTO: ${PROTO}"
+ TEST_STATUS=1
+ fi
+
+ if [ "0" != "${RET}" ]; then
+ RET=1
+ fi
+
+ if [ "${EXPECTED}" != "${RET}" ] ; then
+ echo " test_ping failed: expected: ${EXPECTED}; got ${RET}"
+ TEST_STATUS=1
+ fi
+}
+
+test_gso()
+{
+ local readonly PROTO=$1
+ local readonly PKT_SZ=5000
+ local IP_DST=""
+ : > ${TMPFILE} # trim the capture file
+
+ # check that nc is present
+ command -v nc >/dev/null 2>&1 || \
+ { echo >&2 "nc is not available: skipping TSO tests"; return; }
+
+ # listen on IPv*_DST, capture TCP into $TMPFILE
+ if [ "${PROTO}" == "IPv4" ] ; then
+ IP_DST=${IPv4_DST}
+ ip netns exec ${NS3} bash -c \
+ "nc -4 -l -s ${IPv4_DST} -p 9000 > ${TMPFILE} &"
+ elif [ "${PROTO}" == "IPv6" ] ; then
+ IP_DST=${IPv6_DST}
+ ip netns exec ${NS3} bash -c \
+ "nc -6 -l -s ${IPv6_DST} -p 9000 > ${TMPFILE} &"
+ RET=$?
+ else
+ echo " test_gso: unknown PROTO: ${PROTO}"
+ TEST_STATUS=1
+ fi
+ sleep 1 # let nc start listening
+
+ # send a packet larger than MTU
+ ip netns exec ${NS1} bash -c \
+ "dd if=/dev/zero bs=$PKT_SZ count=1 > /dev/tcp/${IP_DST}/9000 2>/dev/null"
+ sleep 2 # let the packet get delivered
+
+ # verify we received all expected bytes
+ SZ=$(stat -c %s ${TMPFILE})
+ if [ "$SZ" != "$PKT_SZ" ] ; then
+ echo " test_gso failed: ${PROTO}"
+ TEST_STATUS=1
+ fi
+}
+
+test_egress()
+{
+ local readonly ENCAP=$1
+ echo "starting egress ${ENCAP} encap test ${VRF}"
+ setup
+
+ # by default, pings work
+ test_ping IPv4 0
+ test_ping IPv6 0
+
+ # remove NS2->DST routes, ping fails
+ ip -netns ${NS2} route del ${IPv4_DST}/32 dev veth3 ${VRF}
+ ip -netns ${NS2} -6 route del ${IPv6_DST}/128 dev veth3 ${VRF}
+ test_ping IPv4 1
+ test_ping IPv6 1
+
+ # install replacement routes (LWT/eBPF), pings succeed
+ if [ "${ENCAP}" == "IPv4" ] ; then
+ ip -netns ${NS1} route add ${IPv4_DST} encap bpf xmit obj \
+ test_lwt_ip_encap.o sec encap_gre dev veth1 ${VRF}
+ ip -netns ${NS1} -6 route add ${IPv6_DST} encap bpf xmit obj \
+ test_lwt_ip_encap.o sec encap_gre dev veth1 ${VRF}
+ elif [ "${ENCAP}" == "IPv6" ] ; then
+ ip -netns ${NS1} route add ${IPv4_DST} encap bpf xmit obj \
+ test_lwt_ip_encap.o sec encap_gre6 dev veth1 ${VRF}
+ ip -netns ${NS1} -6 route add ${IPv6_DST} encap bpf xmit obj \
+ test_lwt_ip_encap.o sec encap_gre6 dev veth1 ${VRF}
+ else
+ echo " unknown encap ${ENCAP}"
+ TEST_STATUS=1
+ fi
+ test_ping IPv4 0
+ test_ping IPv6 0
+
+ # skip GSO tests with VRF: VRF routing needs properly assigned
+ # source IP/device, which is easy to do with ping and hard with dd/nc.
+ if [ -z "${VRF}" ] ; then
+ test_gso IPv4
+ test_gso IPv6
+ fi
+
+ # a negative test: remove routes to GRE devices: ping fails
+ remove_routes_to_gredev
+ test_ping IPv4 1
+ test_ping IPv6 1
+
+ # another negative test
+ add_unreachable_routes_to_gredev
+ test_ping IPv4 1
+ test_ping IPv6 1
+
+ cleanup
+ process_test_results
+}
+
+test_ingress()
+{
+ local readonly ENCAP=$1
+ echo "starting ingress ${ENCAP} encap test ${VRF}"
+ setup
+
+ # need to wait a bit for IPv6 to autoconf, otherwise
+ # ping6 sometimes fails with "unable to bind to address"
+
+ # by default, pings work
+ test_ping IPv4 0
+ test_ping IPv6 0
+
+ # remove NS2->DST routes, pings fail
+ ip -netns ${NS2} route del ${IPv4_DST}/32 dev veth3 ${VRF}
+ ip -netns ${NS2} -6 route del ${IPv6_DST}/128 dev veth3 ${VRF}
+ test_ping IPv4 1
+ test_ping IPv6 1
+
+ # install replacement routes (LWT/eBPF), pings succeed
+ if [ "${ENCAP}" == "IPv4" ] ; then
+ ip -netns ${NS2} route add ${IPv4_DST} encap bpf in obj \
+ test_lwt_ip_encap.o sec encap_gre dev veth2 ${VRF}
+ ip -netns ${NS2} -6 route add ${IPv6_DST} encap bpf in obj \
+ test_lwt_ip_encap.o sec encap_gre dev veth2 ${VRF}
+ elif [ "${ENCAP}" == "IPv6" ] ; then
+ ip -netns ${NS2} route add ${IPv4_DST} encap bpf in obj \
+ test_lwt_ip_encap.o sec encap_gre6 dev veth2 ${VRF}
+ ip -netns ${NS2} -6 route add ${IPv6_DST} encap bpf in obj \
+ test_lwt_ip_encap.o sec encap_gre6 dev veth2 ${VRF}
+ else
+ echo "FAIL: unknown encap ${ENCAP}"
+ TEST_STATUS=1
+ fi
+ test_ping IPv4 0
+ test_ping IPv6 0
+
+ # a negative test: remove routes to GRE devices: ping fails
+ remove_routes_to_gredev
+ test_ping IPv4 1
+ test_ping IPv6 1
+
+ # another negative test
+ add_unreachable_routes_to_gredev
+ test_ping IPv4 1
+ test_ping IPv6 1
+
+ cleanup
+ process_test_results
+}
+
+VRF=""
+test_egress IPv4
+test_egress IPv6
+test_ingress IPv4
+test_ingress IPv6
+
+VRF="vrf red"
+test_egress IPv4
+test_egress IPv6
+test_ingress IPv4
+test_ingress IPv6
+
+print_test_summary_and_exit
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index e2b9eee37187..5443b9bd75ed 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Testsuite for eBPF maps
*
* Copyright (c) 2014 PLUMgrid, http://plumgrid.com
* Copyright (c) 2016 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
*/
#include <stdio.h>
@@ -27,23 +24,17 @@
#include "bpf_util.h"
#include "bpf_rlimit.h"
+#include "test_maps.h"
#ifndef ENOTSUPP
#define ENOTSUPP 524
#endif
-static int map_flags;
+static int skips;
-#define CHECK(condition, tag, format...) ({ \
- int __ret = !!(condition); \
- if (__ret) { \
- printf("%s(%d):FAIL:%s ", __func__, __LINE__, tag); \
- printf(format); \
- exit(-1); \
- } \
-})
+static int map_flags;
-static void test_hashmap(int task, void *data)
+static void test_hashmap(unsigned int task, void *data)
{
long long key, next_key, first_key, value;
int fd;
@@ -133,7 +124,7 @@ static void test_hashmap(int task, void *data)
close(fd);
}
-static void test_hashmap_sizes(int task, void *data)
+static void test_hashmap_sizes(unsigned int task, void *data)
{
int fd, i, j;
@@ -153,7 +144,7 @@ static void test_hashmap_sizes(int task, void *data)
}
}
-static void test_hashmap_percpu(int task, void *data)
+static void test_hashmap_percpu(unsigned int task, void *data)
{
unsigned int nr_cpus = bpf_num_possible_cpus();
BPF_DECLARE_PERCPU(long, value);
@@ -280,7 +271,7 @@ static int helper_fill_hashmap(int max_entries)
return fd;
}
-static void test_hashmap_walk(int task, void *data)
+static void test_hashmap_walk(unsigned int task, void *data)
{
int fd, i, max_entries = 1000;
long long key, value, next_key;
@@ -351,7 +342,7 @@ static void test_hashmap_zero_seed(void)
close(second);
}
-static void test_arraymap(int task, void *data)
+static void test_arraymap(unsigned int task, void *data)
{
int key, next_key, fd;
long long value;
@@ -406,7 +397,7 @@ static void test_arraymap(int task, void *data)
close(fd);
}
-static void test_arraymap_percpu(int task, void *data)
+static void test_arraymap_percpu(unsigned int task, void *data)
{
unsigned int nr_cpus = bpf_num_possible_cpus();
BPF_DECLARE_PERCPU(long, values);
@@ -502,7 +493,7 @@ static void test_arraymap_percpu_many_keys(void)
close(fd);
}
-static void test_devmap(int task, void *data)
+static void test_devmap(unsigned int task, void *data)
{
int fd;
__u32 key, value;
@@ -517,7 +508,7 @@ static void test_devmap(int task, void *data)
close(fd);
}
-static void test_queuemap(int task, void *data)
+static void test_queuemap(unsigned int task, void *data)
{
const int MAP_SIZE = 32;
__u32 vals[MAP_SIZE + MAP_SIZE/2], val;
@@ -575,7 +566,7 @@ static void test_queuemap(int task, void *data)
close(fd);
}
-static void test_stackmap(int task, void *data)
+static void test_stackmap(unsigned int task, void *data)
{
const int MAP_SIZE = 32;
__u32 vals[MAP_SIZE + MAP_SIZE/2], val;
@@ -633,7 +624,6 @@ static void test_stackmap(int task, void *data)
close(fd);
}
-#include <sys/socket.h>
#include <sys/ioctl.h>
#include <arpa/inet.h>
#include <sys/select.h>
@@ -641,7 +631,7 @@ static void test_stackmap(int task, void *data)
#define SOCKMAP_PARSE_PROG "./sockmap_parse_prog.o"
#define SOCKMAP_VERDICT_PROG "./sockmap_verdict_prog.o"
#define SOCKMAP_TCP_MSG_PROG "./sockmap_tcp_msg_prog.o"
-static void test_sockmap(int tasks, void *data)
+static void test_sockmap(unsigned int tasks, void *data)
{
struct bpf_map *bpf_map_rx, *bpf_map_tx, *bpf_map_msg, *bpf_map_break;
int map_fd_msg = 0, map_fd_rx = 0, map_fd_tx = 0, map_fd_break;
@@ -725,6 +715,15 @@ static void test_sockmap(int tasks, void *data)
sizeof(key), sizeof(value),
6, 0);
if (fd < 0) {
+ if (!bpf_probe_map_type(BPF_MAP_TYPE_SOCKMAP, 0)) {
+ printf("%s SKIP (unsupported map type BPF_MAP_TYPE_SOCKMAP)\n",
+ __func__);
+ skips++;
+ for (i = 0; i < 6; i++)
+ close(sfd[i]);
+ return;
+ }
+
printf("Failed to create sockmap %i\n", fd);
goto out_sockmap;
}
@@ -1258,10 +1257,11 @@ static void test_map_large(void)
}
#define run_parallel(N, FN, DATA) \
- printf("Fork %d tasks to '" #FN "'\n", N); \
+ printf("Fork %u tasks to '" #FN "'\n", N); \
__run_parallel(N, FN, DATA)
-static void __run_parallel(int tasks, void (*fn)(int task, void *data),
+static void __run_parallel(unsigned int tasks,
+ void (*fn)(unsigned int task, void *data),
void *data)
{
pid_t pid[tasks];
@@ -1302,7 +1302,7 @@ static void test_map_stress(void)
#define DO_UPDATE 1
#define DO_DELETE 0
-static void test_update_delete(int fn, void *data)
+static void test_update_delete(unsigned int fn, void *data)
{
int do_update = ((int *)data)[1];
int fd = ((int *)data)[0];
@@ -1418,7 +1418,7 @@ static void test_map_wronly(void)
assert(bpf_map_get_next_key(fd, &key, &value) == -1 && errno == EPERM);
}
-static void prepare_reuseport_grp(int type, int map_fd,
+static void prepare_reuseport_grp(int type, int map_fd, size_t map_elem_size,
__s64 *fds64, __u64 *sk_cookies,
unsigned int n)
{
@@ -1428,6 +1428,8 @@ static void prepare_reuseport_grp(int type, int map_fd,
const int optval = 1;
unsigned int i;
u64 sk_cookie;
+ void *value;
+ __s32 fd32;
__s64 fd64;
int err;
@@ -1449,8 +1451,14 @@ static void prepare_reuseport_grp(int type, int map_fd,
"err:%d errno:%d\n", err, errno);
/* reuseport_array does not allow unbound sk */
- err = bpf_map_update_elem(map_fd, &index0, &fd64,
- BPF_ANY);
+ if (map_elem_size == sizeof(__u64))
+ value = &fd64;
+ else {
+ assert(map_elem_size == sizeof(__u32));
+ fd32 = (__s32)fd64;
+ value = &fd32;
+ }
+ err = bpf_map_update_elem(map_fd, &index0, value, BPF_ANY);
CHECK(err != -1 || errno != EINVAL,
"reuseport array update unbound sk",
"sock_type:%d err:%d errno:%d\n",
@@ -1478,7 +1486,7 @@ static void prepare_reuseport_grp(int type, int map_fd,
* reuseport_array does not allow
* non-listening tcp sk.
*/
- err = bpf_map_update_elem(map_fd, &index0, &fd64,
+ err = bpf_map_update_elem(map_fd, &index0, value,
BPF_ANY);
CHECK(err != -1 || errno != EINVAL,
"reuseport array update non-listening sk",
@@ -1541,7 +1549,7 @@ static void test_reuseport_array(void)
for (t = 0; t < ARRAY_SIZE(types); t++) {
type = types[t];
- prepare_reuseport_grp(type, map_fd, grpa_fds64,
+ prepare_reuseport_grp(type, map_fd, sizeof(__u64), grpa_fds64,
grpa_cookies, ARRAY_SIZE(grpa_fds64));
/* Test BPF_* update flags */
@@ -1649,7 +1657,8 @@ static void test_reuseport_array(void)
sizeof(__u32), sizeof(__u32), array_size, 0);
CHECK(map_fd == -1, "reuseport array create",
"map_fd:%d, errno:%d\n", map_fd, errno);
- prepare_reuseport_grp(SOCK_STREAM, map_fd, &fd64, &sk_cookie, 1);
+ prepare_reuseport_grp(SOCK_STREAM, map_fd, sizeof(__u32), &fd64,
+ &sk_cookie, 1);
fd = fd64;
err = bpf_map_update_elem(map_fd, &index3, &fd, BPF_NOEXIST);
CHECK(err == -1, "reuseport array update 32 bit fd",
@@ -1692,6 +1701,10 @@ static void run_all_tests(void)
test_map_in_map();
}
+#define DECLARE
+#include <map_tests/tests.h>
+#undef DECLARE
+
int main(void)
{
srand(time(NULL));
@@ -1702,6 +1715,10 @@ int main(void)
map_flags = BPF_F_NO_PREALLOC;
run_all_tests();
- printf("test_maps: OK\n");
+#define CALL
+#include <map_tests/tests.h>
+#undef CALL
+
+ printf("test_maps: OK, %d SKIPPED\n", skips);
return 0;
}
diff --git a/tools/testing/selftests/bpf/test_maps.h b/tools/testing/selftests/bpf/test_maps.h
new file mode 100644
index 000000000000..77d8587ac4ed
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_maps.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _TEST_MAPS_H
+#define _TEST_MAPS_H
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define CHECK(condition, tag, format...) ({ \
+ int __ret = !!(condition); \
+ if (__ret) { \
+ printf("%s(%d):FAIL:%s ", __func__, __LINE__, tag); \
+ printf(format); \
+ exit(-1); \
+ } \
+})
+
+#endif
diff --git a/tools/testing/selftests/bpf/test_offload.py b/tools/testing/selftests/bpf/test_offload.py
index d59642e70f56..425f9ed27c3b 100755
--- a/tools/testing/selftests/bpf/test_offload.py
+++ b/tools/testing/selftests/bpf/test_offload.py
@@ -1,6 +1,7 @@
#!/usr/bin/python3
# Copyright (C) 2017 Netronome Systems, Inc.
+# Copyright (c) 2019 Mellanox Technologies. All rights reserved
#
# This software is licensed under the GNU General License Version 2,
# June 1991 as shown in the file COPYING in the top-level directory of this
@@ -15,14 +16,17 @@
from datetime import datetime
import argparse
+import errno
import json
import os
import pprint
import random
+import re
import string
import struct
import subprocess
import time
+import traceback
logfile = None
log_level = 1
@@ -78,7 +82,9 @@ def fail(cond, msg):
if not cond:
return
print("FAIL: " + msg)
- log("FAIL: " + msg, "", level=1)
+ tb = "".join(traceback.extract_stack().format())
+ print(tb)
+ log("FAIL: " + msg, tb, level=1)
os.sys.exit(1)
def start_test(msg):
@@ -303,6 +309,8 @@ class DebugfsDir:
_, out = cmd('ls ' + path)
for f in out.split():
+ if f == "ports":
+ continue
p = os.path.join(path, f)
if os.path.isfile(p):
_, out = cmd('cat %s/%s' % (path, f))
@@ -318,42 +326,112 @@ class DebugfsDir:
return dfs
-class NetdevSim:
+class NetdevSimDev:
"""
- Class for netdevsim netdevice and its attributes.
+ Class for netdevsim bus device and its attributes.
"""
- def __init__(self, link=None):
- self.link = link
+ def __init__(self, port_count=1):
+ addr = 0
+ while True:
+ try:
+ with open("/sys/bus/netdevsim/new_device", "w") as f:
+ f.write("%u %u" % (addr, port_count))
+ except OSError as e:
+ if e.errno == errno.ENOSPC:
+ addr += 1
+ continue
+ raise e
+ break
+ self.addr = addr
+
+ # As probe of netdevsim device might happen from a workqueue,
+ # so wait here until all netdevs appear.
+ self.wait_for_netdevs(port_count)
+
+ ret, out = cmd("udevadm settle", fail=False)
+ if ret:
+ raise Exception("udevadm settle failed")
+ ifnames = self.get_ifnames()
- self.dev = self._netdevsim_create()
devs.append(self)
+ self.dfs_dir = "/sys/kernel/debug/netdevsim/netdevsim%u/" % addr
+
+ self.nsims = []
+ for port_index in range(port_count):
+ self.nsims.append(NetdevSim(self, port_index, ifnames[port_index]))
+
+ def get_ifnames(self):
+ ifnames = []
+ listdir = os.listdir("/sys/bus/netdevsim/devices/netdevsim%u/net/" % self.addr)
+ for ifname in listdir:
+ ifnames.append(ifname)
+ ifnames.sort()
+ return ifnames
+
+ def wait_for_netdevs(self, port_count):
+ timeout = 5
+ timeout_start = time.time()
+
+ while True:
+ try:
+ ifnames = self.get_ifnames()
+ except FileNotFoundError as e:
+ ifnames = []
+ if len(ifnames) == port_count:
+ break
+ if time.time() < timeout_start + timeout:
+ continue
+ raise Exception("netdevices did not appear within timeout")
- self.ns = ""
+ def dfs_num_bound_progs(self):
+ path = os.path.join(self.dfs_dir, "bpf_bound_progs")
+ _, progs = cmd('ls %s' % (path))
+ return len(progs.split())
- self.dfs_dir = '/sys/kernel/debug/netdevsim/%s' % (self.dev['ifname'])
- self.sdev_dir = self.dfs_dir + '/sdev/'
- self.dfs_refresh()
+ def dfs_get_bound_progs(self, expected):
+ progs = DebugfsDir(os.path.join(self.dfs_dir, "bpf_bound_progs"))
+ if expected is not None:
+ if len(progs) != expected:
+ fail(True, "%d BPF programs bound, expected %d" %
+ (len(progs), expected))
+ return progs
- def __getitem__(self, key):
- return self.dev[key]
+ def remove(self):
+ with open("/sys/bus/netdevsim/del_device", "w") as f:
+ f.write("%u" % self.addr)
+ devs.remove(self)
- def _netdevsim_create(self):
- link = "" if self.link is None else "link " + self.link.dev['ifname']
- _, old = ip("link show")
- ip("link add sim%d {link} type netdevsim".format(link=link))
- _, new = ip("link show")
+ def remove_nsim(self, nsim):
+ self.nsims.remove(nsim)
+ with open("/sys/bus/netdevsim/devices/netdevsim%u/del_port" % self.addr ,"w") as f:
+ f.write("%u" % nsim.port_index)
- for dev in new:
- f = filter(lambda x: x["ifname"] == dev["ifname"], old)
- if len(list(f)) == 0:
- return dev
+class NetdevSim:
+ """
+ Class for netdevsim netdevice and its attributes.
+ """
- raise Exception("failed to create netdevsim device")
+ def __init__(self, nsimdev, port_index, ifname):
+ # In case udev renamed the netdev to according to new schema,
+ # check if the name matches the port_index.
+ nsimnamere = re.compile("eni\d+np(\d+)")
+ match = nsimnamere.match(ifname)
+ if match and int(match.groups()[0]) != port_index + 1:
+ raise Exception("netdevice name mismatches the expected one")
+
+ self.nsimdev = nsimdev
+ self.port_index = port_index
+ self.ns = ""
+ self.dfs_dir = "%s/ports/%u/" % (nsimdev.dfs_dir, port_index)
+ self.dfs_refresh()
+ _, [self.dev] = ip("link show dev %s" % ifname)
+
+ def __getitem__(self, key):
+ return self.dev[key]
def remove(self):
- devs.remove(self)
- ip("link del dev %s" % (self.dev["ifname"]), ns=self.ns)
+ self.nsimdev.remove_nsim(self)
def dfs_refresh(self):
self.dfs = DebugfsDir(self.dfs_dir)
@@ -364,22 +442,9 @@ class NetdevSim:
_, data = cmd('cat %s' % (path))
return data.strip()
- def dfs_num_bound_progs(self):
- path = os.path.join(self.sdev_dir, "bpf_bound_progs")
- _, progs = cmd('ls %s' % (path))
- return len(progs.split())
-
- def dfs_get_bound_progs(self, expected):
- progs = DebugfsDir(os.path.join(self.sdev_dir, "bpf_bound_progs"))
- if expected is not None:
- if len(progs) != expected:
- fail(True, "%d BPF programs bound, expected %d" %
- (len(progs), expected))
- return progs
-
def wait_for_flush(self, bound=0, total=0, n_retry=20):
for i in range(n_retry):
- nbound = self.dfs_num_bound_progs()
+ nbound = self.nsimdev.dfs_num_bound_progs()
nprogs = len(bpftool_prog_list())
if nbound == bound and nprogs == total:
return
@@ -589,6 +654,15 @@ def check_verifier_log(output, reference):
return
fail(True, "Missing or incorrect message from netdevsim in verifier log")
+def check_multi_basic(two_xdps):
+ fail(two_xdps["mode"] != 4, "Bad mode reported with multiple programs")
+ fail("prog" in two_xdps, "Base program reported in multi program mode")
+ fail(len(two_xdps["attached"]) != 2,
+ "Wrong attached program count with two programs")
+ fail(two_xdps["attached"][0]["prog"]["id"] ==
+ two_xdps["attached"][1]["prog"]["id"],
+ "Offloaded and other programs have the same id")
+
def test_spurios_extack(sim, obj, skip_hw, needle):
res = sim.cls_bpf_add_filter(obj, prio=1, handle=1, skip_hw=skip_hw,
include_stderr=True)
@@ -600,6 +674,68 @@ def test_spurios_extack(sim, obj, skip_hw, needle):
include_stderr=True)
check_no_extack(res, needle)
+def test_multi_prog(simdev, sim, obj, modename, modeid):
+ start_test("Test multi-attachment XDP - %s + offload..." %
+ (modename or "default", ))
+ sim.set_xdp(obj, "offload")
+ xdp = sim.ip_link_show(xdp=True)["xdp"]
+ offloaded = sim.dfs_read("bpf_offloaded_id")
+ fail("prog" not in xdp, "Base program not reported in single program mode")
+ fail(len(xdp["attached"]) != 1,
+ "Wrong attached program count with one program")
+
+ sim.set_xdp(obj, modename)
+ two_xdps = sim.ip_link_show(xdp=True)["xdp"]
+
+ fail(xdp["attached"][0] not in two_xdps["attached"],
+ "Offload program not reported after other activated")
+ check_multi_basic(two_xdps)
+
+ offloaded2 = sim.dfs_read("bpf_offloaded_id")
+ fail(offloaded != offloaded2,
+ "Offload ID changed after loading other program")
+
+ start_test("Test multi-attachment XDP - replace...")
+ ret, _, err = sim.set_xdp(obj, "offload", fail=False, include_stderr=True)
+ fail(ret == 0, "Replaced one of programs without -force")
+ check_extack(err, "XDP program already attached.", args)
+
+ if modename == "" or modename == "drv":
+ othermode = "" if modename == "drv" else "drv"
+ start_test("Test multi-attachment XDP - detach...")
+ ret, _, err = sim.unset_xdp(othermode, force=True,
+ fail=False, include_stderr=True)
+ fail(ret == 0, "Removed program with a bad mode")
+ check_extack(err, "program loaded with different flags.", args)
+
+ sim.unset_xdp("offload")
+ xdp = sim.ip_link_show(xdp=True)["xdp"]
+ offloaded = sim.dfs_read("bpf_offloaded_id")
+
+ fail(xdp["mode"] != modeid, "Bad mode reported after multiple programs")
+ fail("prog" not in xdp,
+ "Base program not reported after multi program mode")
+ fail(xdp["attached"][0] not in two_xdps["attached"],
+ "Offload program not reported after other activated")
+ fail(len(xdp["attached"]) != 1,
+ "Wrong attached program count with remaining programs")
+ fail(offloaded != "0", "Offload ID reported with only other program left")
+
+ start_test("Test multi-attachment XDP - reattach...")
+ sim.set_xdp(obj, "offload")
+ two_xdps = sim.ip_link_show(xdp=True)["xdp"]
+
+ fail(xdp["attached"][0] not in two_xdps["attached"],
+ "Other program not reported after offload activated")
+ check_multi_basic(two_xdps)
+
+ start_test("Test multi-attachment XDP - device remove...")
+ simdev.remove()
+
+ simdev = NetdevSimDev()
+ sim, = simdev.nsims
+ sim.set_ethtool_tc_offloads(True)
+ return [simdev, sim]
# Parse command line
parser = argparse.ArgumentParser()
@@ -656,12 +792,14 @@ try:
bytecode = bpf_bytecode("1,6 0 0 4294967295,")
start_test("Test destruction of generic XDP...")
- sim = NetdevSim()
+ simdev = NetdevSimDev()
+ sim, = simdev.nsims
sim.set_xdp(obj, "generic")
- sim.remove()
+ simdev.remove()
bpftool_prog_list_wait(expected=0)
- sim = NetdevSim()
+ simdev = NetdevSimDev()
+ sim, = simdev.nsims
sim.tc_add_ingress()
start_test("Test TC non-offloaded...")
@@ -671,7 +809,7 @@ try:
start_test("Test TC non-offloaded isn't getting bound...")
ret, _ = sim.cls_bpf_add_filter(obj, fail=False)
fail(ret != 0, "Software TC filter did not load")
- sim.dfs_get_bound_progs(expected=0)
+ simdev.dfs_get_bound_progs(expected=0)
sim.tc_flush_filters()
@@ -688,7 +826,7 @@ try:
start_test("Test TC offload by default...")
ret, _ = sim.cls_bpf_add_filter(obj, fail=False)
fail(ret != 0, "Software TC filter did not load")
- sim.dfs_get_bound_progs(expected=0)
+ simdev.dfs_get_bound_progs(expected=0)
ingress = sim.tc_show_ingress(expected=1)
fltr = ingress[0]
fail(not fltr["in_hw"], "Filter not offloaded by default")
@@ -698,7 +836,7 @@ try:
start_test("Test TC cBPF bytcode tries offload by default...")
ret, _ = sim.cls_bpf_add_filter(bytecode, fail=False)
fail(ret != 0, "Software TC filter did not load")
- sim.dfs_get_bound_progs(expected=0)
+ simdev.dfs_get_bound_progs(expected=0)
ingress = sim.tc_show_ingress(expected=1)
fltr = ingress[0]
fail(not fltr["in_hw"], "Bytecode not offloaded by default")
@@ -766,7 +904,7 @@ try:
check_verifier_log(err, "[netdevsim] Hello from netdevsim!")
start_test("Test TC offload basics...")
- dfs = sim.dfs_get_bound_progs(expected=1)
+ dfs = simdev.dfs_get_bound_progs(expected=1)
progs = bpftool_prog_list(expected=1)
ingress = sim.tc_show_ingress(expected=1)
@@ -801,18 +939,20 @@ try:
start_test("Test destroying device gets rid of TC filters...")
sim.cls_bpf_add_filter(obj, skip_sw=True)
- sim.remove()
+ simdev.remove()
bpftool_prog_list_wait(expected=0)
- sim = NetdevSim()
+ simdev = NetdevSimDev()
+ sim, = simdev.nsims
sim.set_ethtool_tc_offloads(True)
start_test("Test destroying device gets rid of XDP...")
sim.set_xdp(obj, "offload")
- sim.remove()
+ simdev.remove()
bpftool_prog_list_wait(expected=0)
- sim = NetdevSim()
+ simdev = NetdevSimDev()
+ sim, = simdev.nsims
sim.set_ethtool_tc_offloads(True)
start_test("Test XDP prog reporting...")
@@ -842,7 +982,9 @@ try:
ret, _, err = sim.set_xdp(obj, "generic", force=True,
fail=False, include_stderr=True)
fail(ret == 0, "Replaced XDP program with a program in different mode")
- fail(err.count("File exists") != 1, "Replaced driver XDP with generic")
+ check_extack(err,
+ "native and generic XDP can't be active at the same time.",
+ args)
ret, _, err = sim.set_xdp(obj, "", force=True,
fail=False, include_stderr=True)
fail(ret == 0, "Replaced XDP program with a program in different mode")
@@ -896,7 +1038,7 @@ try:
check_verifier_log(err, "[netdevsim] Hello from netdevsim!")
start_test("Test XDP offload is device bound...")
- dfs = sim.dfs_get_bound_progs(expected=1)
+ dfs = simdev.dfs_get_bound_progs(expected=1)
dprog = dfs[0]
fail(prog["id"] != link_xdp["id"], "Program IDs don't match")
@@ -915,7 +1057,8 @@ try:
bpftool_prog_list_wait(expected=0)
start_test("Test attempt to use a program for a wrong device...")
- sim2 = NetdevSim()
+ simdev2 = NetdevSimDev()
+ sim2, = simdev2.nsims
sim2.set_xdp(obj, "offload")
pin_file, pinned = pin_prog("/sys/fs/bpf/tmp")
@@ -923,7 +1066,7 @@ try:
fail=False, include_stderr=True)
fail(ret == 0, "Pinned program loaded for a different device accepted")
check_extack_nsim(err, "program bound to different dev.", args)
- sim2.remove()
+ simdev2.remove()
ret, _, err = sim.set_xdp(pinned, "offload",
fail=False, include_stderr=True)
fail(ret == 0, "Pinned program loaded for a removed device accepted")
@@ -931,59 +1074,9 @@ try:
rm(pin_file)
bpftool_prog_list_wait(expected=0)
- start_test("Test multi-attachment XDP - attach...")
- sim.set_xdp(obj, "offload")
- xdp = sim.ip_link_show(xdp=True)["xdp"]
- offloaded = sim.dfs_read("bpf_offloaded_id")
- fail("prog" not in xdp, "Base program not reported in single program mode")
- fail(len(ipl["xdp"]["attached"]) != 1,
- "Wrong attached program count with one program")
-
- sim.set_xdp(obj, "")
- two_xdps = sim.ip_link_show(xdp=True)["xdp"]
- offloaded2 = sim.dfs_read("bpf_offloaded_id")
-
- fail(two_xdps["mode"] != 4, "Bad mode reported with multiple programs")
- fail("prog" in two_xdps, "Base program reported in multi program mode")
- fail(xdp["attached"][0] not in two_xdps["attached"],
- "Offload program not reported after driver activated")
- fail(len(two_xdps["attached"]) != 2,
- "Wrong attached program count with two programs")
- fail(two_xdps["attached"][0]["prog"]["id"] ==
- two_xdps["attached"][1]["prog"]["id"],
- "offloaded and drv programs have the same id")
- fail(offloaded != offloaded2,
- "offload ID changed after loading driver program")
-
- start_test("Test multi-attachment XDP - replace...")
- ret, _, err = sim.set_xdp(obj, "offload", fail=False, include_stderr=True)
- fail(err.count("busy") != 1, "Replaced one of programs without -force")
-
- start_test("Test multi-attachment XDP - detach...")
- ret, _, err = sim.unset_xdp("drv", force=True,
- fail=False, include_stderr=True)
- fail(ret == 0, "Removed program with a bad mode")
- check_extack(err, "program loaded with different flags.", args)
-
- sim.unset_xdp("offload")
- xdp = sim.ip_link_show(xdp=True)["xdp"]
- offloaded = sim.dfs_read("bpf_offloaded_id")
-
- fail(xdp["mode"] != 1, "Bad mode reported after multiple programs")
- fail("prog" not in xdp,
- "Base program not reported after multi program mode")
- fail(xdp["attached"][0] not in two_xdps["attached"],
- "Offload program not reported after driver activated")
- fail(len(ipl["xdp"]["attached"]) != 1,
- "Wrong attached program count with remaining programs")
- fail(offloaded != "0", "offload ID reported with only driver program left")
-
- start_test("Test multi-attachment XDP - device remove...")
- sim.set_xdp(obj, "offload")
- sim.remove()
-
- sim = NetdevSim()
- sim.set_ethtool_tc_offloads(True)
+ simdev, sim = test_multi_prog(simdev, sim, obj, "", 1)
+ simdev, sim = test_multi_prog(simdev, sim, obj, "drv", 1)
+ simdev, sim = test_multi_prog(simdev, sim, obj, "generic", 2)
start_test("Test mixing of TC and XDP...")
sim.tc_add_ingress()
@@ -1030,15 +1123,15 @@ try:
start_test("Test if netdev removal waits for translation...")
delay_msec = 500
- sim.dfs["bpf_bind_verifier_delay"] = delay_msec
+ sim.dfs["dev/bpf_bind_verifier_delay"] = delay_msec
start = time.time()
cmd_line = "tc filter add dev %s ingress bpf %s da skip_sw" % \
(sim['ifname'], obj)
tc_proc = cmd(cmd_line, background=True, fail=False)
# Wait for the verifier to start
- while sim.dfs_num_bound_progs() <= 2:
+ while simdev.dfs_num_bound_progs() <= 2:
pass
- sim.remove()
+ simdev.remove()
end = time.time()
ret, _ = cmd_result(tc_proc, fail=False)
time_diff = end - start
@@ -1053,7 +1146,8 @@ try:
clean_up()
bpftool_prog_list_wait(expected=0)
- sim = NetdevSim()
+ simdev = NetdevSimDev()
+ sim, = simdev.nsims
map_obj = bpf_obj("sample_map_ret0.o")
start_test("Test loading program with maps...")
sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
@@ -1075,7 +1169,7 @@ try:
prog_file, _ = pin_prog("/sys/fs/bpf/tmp_prog")
map_file, _ = pin_map("/sys/fs/bpf/tmp_map", idx=1, expected=2)
- sim.remove()
+ simdev.remove()
start_test("Test bpftool bound info reporting (removed dev)...")
check_dev_info_removed(prog_file=prog_file, map_file=map_file)
@@ -1084,7 +1178,8 @@ try:
clean_up()
bpftool_prog_list_wait(expected=0)
- sim = NetdevSim()
+ simdev = NetdevSimDev()
+ sim, = simdev.nsims
start_test("Test map update (no flags)...")
sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
@@ -1165,27 +1260,29 @@ try:
start_test("Test map remove...")
sim.unset_xdp("offload")
bpftool_map_list_wait(expected=0)
- sim.remove()
+ simdev.remove()
- sim = NetdevSim()
+ simdev = NetdevSimDev()
+ sim, = simdev.nsims
sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
- sim.remove()
+ simdev.remove()
bpftool_map_list_wait(expected=0)
start_test("Test map creation fail path...")
- sim = NetdevSim()
+ simdev = NetdevSimDev()
+ sim, = simdev.nsims
sim.dfs["bpf_map_accept"] = "N"
ret, _ = sim.set_xdp(map_obj, "offload", JSON=False, fail=False)
fail(ret == 0,
"netdevsim didn't refuse to create a map with offload disabled")
- sim.remove()
+ simdev.remove()
start_test("Test multi-dev ASIC program reuse...")
- simA = NetdevSim()
- simB1 = NetdevSim()
- simB2 = NetdevSim(link=simB1)
- simB3 = NetdevSim(link=simB1)
+ simdevA = NetdevSimDev()
+ simA, = simdevA.nsims
+ simdevB = NetdevSimDev(3)
+ simB1, simB2, simB3 = simdevB.nsims
sims = (simA, simB1, simB2, simB3)
simB = (simB1, simB2, simB3)
@@ -1197,13 +1294,13 @@ try:
progB = bpf_pinned("/sys/fs/bpf/nsimB")
simA.set_xdp(progA, "offload", JSON=False)
- for d in simB:
+ for d in simdevB.nsims:
d.set_xdp(progB, "offload", JSON=False)
start_test("Test multi-dev ASIC cross-dev replace...")
ret, _ = simA.set_xdp(progB, "offload", force=True, JSON=False, fail=False)
fail(ret == 0, "cross-ASIC program allowed")
- for d in simB:
+ for d in simdevB.nsims:
ret, _ = d.set_xdp(progA, "offload", force=True, JSON=False, fail=False)
fail(ret == 0, "cross-ASIC program allowed")
@@ -1215,7 +1312,7 @@ try:
fail=False, include_stderr=True)
fail(ret == 0, "cross-ASIC program allowed")
check_extack_nsim(err, "program bound to different dev.", args)
- for d in simB:
+ for d in simdevB.nsims:
ret, _, err = d.set_xdp(progA, "offload", force=True, JSON=False,
fail=False, include_stderr=True)
fail(ret == 0, "cross-ASIC program allowed")
@@ -1252,7 +1349,7 @@ try:
start_test("Test multi-dev ASIC cross-dev destruction...")
bpftool_prog_list_wait(expected=2)
- simA.remove()
+ simdevA.remove()
bpftool_prog_list_wait(expected=1)
ifnameB = bpftool("prog show %s" % (progB))[1]["dev"]["ifname"]
@@ -1270,6 +1367,7 @@ try:
fail(ifnameB != simB3['ifname'], "program not bound to remaining device")
simB3.remove()
+ simdevB.remove()
bpftool_prog_list_wait(expected=0)
start_test("Test multi-dev ASIC cross-dev destruction - orphaned...")
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 25f0083a9b2e..dae0819b1141 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -1,95 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2017 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
*/
-#include <stdio.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <assert.h>
-#include <stdlib.h>
-#include <time.h>
-
-#include <linux/types.h>
-typedef __u16 __sum16;
-#include <arpa/inet.h>
-#include <linux/if_ether.h>
-#include <linux/if_packet.h>
-#include <linux/ip.h>
-#include <linux/ipv6.h>
-#include <linux/tcp.h>
-#include <linux/filter.h>
-#include <linux/perf_event.h>
-#include <linux/unistd.h>
-
-#include <sys/ioctl.h>
-#include <sys/wait.h>
-#include <sys/types.h>
-#include <fcntl.h>
-
-#include <linux/bpf.h>
-#include <linux/err.h>
-#include <bpf/bpf.h>
-#include <bpf/libbpf.h>
-
-#include "test_iptunnel_common.h"
-#include "bpf_util.h"
-#include "bpf_endian.h"
+#include "test_progs.h"
#include "bpf_rlimit.h"
-#include "trace_helpers.h"
-
-static int error_cnt, pass_cnt;
-static bool jit_enabled;
-#define MAGIC_BYTES 123
+int error_cnt, pass_cnt;
+bool jit_enabled;
+bool verifier_stats = false;
-/* ipv4 test vector */
-static struct {
- struct ethhdr eth;
- struct iphdr iph;
- struct tcphdr tcp;
-} __packed pkt_v4 = {
+struct ipv4_packet pkt_v4 = {
.eth.h_proto = __bpf_constant_htons(ETH_P_IP),
.iph.ihl = 5,
- .iph.protocol = 6,
+ .iph.protocol = IPPROTO_TCP,
.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
.tcp.urg_ptr = 123,
+ .tcp.doff = 5,
};
-/* ipv6 test vector */
-static struct {
- struct ethhdr eth;
- struct ipv6hdr iph;
- struct tcphdr tcp;
-} __packed pkt_v6 = {
+struct ipv6_packet pkt_v6 = {
.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
- .iph.nexthdr = 6,
+ .iph.nexthdr = IPPROTO_TCP,
.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
.tcp.urg_ptr = 123,
+ .tcp.doff = 5,
};
-#define _CHECK(condition, tag, duration, format...) ({ \
- int __ret = !!(condition); \
- if (__ret) { \
- error_cnt++; \
- printf("%s:FAIL:%s ", __func__, tag); \
- printf(format); \
- } else { \
- pass_cnt++; \
- printf("%s:PASS:%s %d nsec\n", __func__, tag, duration);\
- } \
- __ret; \
-})
-
-#define CHECK(condition, tag, format...) \
- _CHECK(condition, tag, duration, format)
-#define CHECK_ATTR(condition, tag, format...) \
- _CHECK(condition, tag, tattr.duration, format)
-
-static int bpf_find_map(const char *test, struct bpf_object *obj,
- const char *name)
+int bpf_find_map(const char *test, struct bpf_object *obj, const char *name)
{
struct bpf_map *map;
@@ -102,349 +38,6 @@ static int bpf_find_map(const char *test, struct bpf_object *obj,
return bpf_map__fd(map);
}
-static void test_pkt_access(void)
-{
- const char *file = "./test_pkt_access.o";
- struct bpf_object *obj;
- __u32 duration, retval;
- int err, prog_fd;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
- if (err) {
- error_cnt++;
- return;
- }
-
- err = bpf_prog_test_run(prog_fd, 100000, &pkt_v4, sizeof(pkt_v4),
- NULL, NULL, &retval, &duration);
- CHECK(err || retval, "ipv4",
- "err %d errno %d retval %d duration %d\n",
- err, errno, retval, duration);
-
- err = bpf_prog_test_run(prog_fd, 100000, &pkt_v6, sizeof(pkt_v6),
- NULL, NULL, &retval, &duration);
- CHECK(err || retval, "ipv6",
- "err %d errno %d retval %d duration %d\n",
- err, errno, retval, duration);
- bpf_object__close(obj);
-}
-
-static void test_prog_run_xattr(void)
-{
- const char *file = "./test_pkt_access.o";
- struct bpf_object *obj;
- char buf[10];
- int err;
- struct bpf_prog_test_run_attr tattr = {
- .repeat = 1,
- .data_in = &pkt_v4,
- .data_size_in = sizeof(pkt_v4),
- .data_out = buf,
- .data_size_out = 5,
- };
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj,
- &tattr.prog_fd);
- if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno))
- return;
-
- memset(buf, 0, sizeof(buf));
-
- err = bpf_prog_test_run_xattr(&tattr);
- CHECK_ATTR(err != -1 || errno != ENOSPC || tattr.retval, "run",
- "err %d errno %d retval %d\n", err, errno, tattr.retval);
-
- CHECK_ATTR(tattr.data_size_out != sizeof(pkt_v4), "data_size_out",
- "incorrect output size, want %lu have %u\n",
- sizeof(pkt_v4), tattr.data_size_out);
-
- CHECK_ATTR(buf[5] != 0, "overflow",
- "BPF_PROG_TEST_RUN ignored size hint\n");
-
- tattr.data_out = NULL;
- tattr.data_size_out = 0;
- errno = 0;
-
- err = bpf_prog_test_run_xattr(&tattr);
- CHECK_ATTR(err || errno || tattr.retval, "run_no_output",
- "err %d errno %d retval %d\n", err, errno, tattr.retval);
-
- tattr.data_size_out = 1;
- err = bpf_prog_test_run_xattr(&tattr);
- CHECK_ATTR(err != -EINVAL, "run_wrong_size_out", "err %d\n", err);
-
- bpf_object__close(obj);
-}
-
-static void test_xdp(void)
-{
- struct vip key4 = {.protocol = 6, .family = AF_INET};
- struct vip key6 = {.protocol = 6, .family = AF_INET6};
- struct iptnl_info value4 = {.family = AF_INET};
- struct iptnl_info value6 = {.family = AF_INET6};
- const char *file = "./test_xdp.o";
- struct bpf_object *obj;
- char buf[128];
- struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr);
- struct iphdr *iph = (void *)buf + sizeof(struct ethhdr);
- __u32 duration, retval, size;
- int err, prog_fd, map_fd;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
- if (err) {
- error_cnt++;
- return;
- }
-
- map_fd = bpf_find_map(__func__, obj, "vip2tnl");
- if (map_fd < 0)
- goto out;
- bpf_map_update_elem(map_fd, &key4, &value4, 0);
- bpf_map_update_elem(map_fd, &key6, &value6, 0);
-
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
- buf, &size, &retval, &duration);
-
- CHECK(err || retval != XDP_TX || size != 74 ||
- iph->protocol != IPPROTO_IPIP, "ipv4",
- "err %d errno %d retval %d size %d\n",
- err, errno, retval, size);
-
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
- buf, &size, &retval, &duration);
- CHECK(err || retval != XDP_TX || size != 114 ||
- iph6->nexthdr != IPPROTO_IPV6, "ipv6",
- "err %d errno %d retval %d size %d\n",
- err, errno, retval, size);
-out:
- bpf_object__close(obj);
-}
-
-static void test_xdp_adjust_tail(void)
-{
- const char *file = "./test_adjust_tail.o";
- struct bpf_object *obj;
- char buf[128];
- __u32 duration, retval, size;
- int err, prog_fd;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
- if (err) {
- error_cnt++;
- return;
- }
-
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
- buf, &size, &retval, &duration);
-
- CHECK(err || retval != XDP_DROP,
- "ipv4", "err %d errno %d retval %d size %d\n",
- err, errno, retval, size);
-
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
- buf, &size, &retval, &duration);
- CHECK(err || retval != XDP_TX || size != 54,
- "ipv6", "err %d errno %d retval %d size %d\n",
- err, errno, retval, size);
- bpf_object__close(obj);
-}
-
-
-
-#define MAGIC_VAL 0x1234
-#define NUM_ITER 100000
-#define VIP_NUM 5
-
-static void test_l4lb(const char *file)
-{
- unsigned int nr_cpus = bpf_num_possible_cpus();
- struct vip key = {.protocol = 6};
- struct vip_meta {
- __u32 flags;
- __u32 vip_num;
- } value = {.vip_num = VIP_NUM};
- __u32 stats_key = VIP_NUM;
- struct vip_stats {
- __u64 bytes;
- __u64 pkts;
- } stats[nr_cpus];
- struct real_definition {
- union {
- __be32 dst;
- __be32 dstv6[4];
- };
- __u8 flags;
- } real_def = {.dst = MAGIC_VAL};
- __u32 ch_key = 11, real_num = 3;
- __u32 duration, retval, size;
- int err, i, prog_fd, map_fd;
- __u64 bytes = 0, pkts = 0;
- struct bpf_object *obj;
- char buf[128];
- u32 *magic = (u32 *)buf;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
- if (err) {
- error_cnt++;
- return;
- }
-
- map_fd = bpf_find_map(__func__, obj, "vip_map");
- if (map_fd < 0)
- goto out;
- bpf_map_update_elem(map_fd, &key, &value, 0);
-
- map_fd = bpf_find_map(__func__, obj, "ch_rings");
- if (map_fd < 0)
- goto out;
- bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);
-
- map_fd = bpf_find_map(__func__, obj, "reals");
- if (map_fd < 0)
- goto out;
- bpf_map_update_elem(map_fd, &real_num, &real_def, 0);
-
- err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v4, sizeof(pkt_v4),
- buf, &size, &retval, &duration);
- CHECK(err || retval != 7/*TC_ACT_REDIRECT*/ || size != 54 ||
- *magic != MAGIC_VAL, "ipv4",
- "err %d errno %d retval %d size %d magic %x\n",
- err, errno, retval, size, *magic);
-
- err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v6, sizeof(pkt_v6),
- buf, &size, &retval, &duration);
- CHECK(err || retval != 7/*TC_ACT_REDIRECT*/ || size != 74 ||
- *magic != MAGIC_VAL, "ipv6",
- "err %d errno %d retval %d size %d magic %x\n",
- err, errno, retval, size, *magic);
-
- map_fd = bpf_find_map(__func__, obj, "stats");
- if (map_fd < 0)
- goto out;
- bpf_map_lookup_elem(map_fd, &stats_key, stats);
- for (i = 0; i < nr_cpus; i++) {
- bytes += stats[i].bytes;
- pkts += stats[i].pkts;
- }
- if (bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2) {
- error_cnt++;
- printf("test_l4lb:FAIL:stats %lld %lld\n", bytes, pkts);
- }
-out:
- bpf_object__close(obj);
-}
-
-static void test_l4lb_all(void)
-{
- const char *file1 = "./test_l4lb.o";
- const char *file2 = "./test_l4lb_noinline.o";
-
- test_l4lb(file1);
- test_l4lb(file2);
-}
-
-static void test_xdp_noinline(void)
-{
- const char *file = "./test_xdp_noinline.o";
- unsigned int nr_cpus = bpf_num_possible_cpus();
- struct vip key = {.protocol = 6};
- struct vip_meta {
- __u32 flags;
- __u32 vip_num;
- } value = {.vip_num = VIP_NUM};
- __u32 stats_key = VIP_NUM;
- struct vip_stats {
- __u64 bytes;
- __u64 pkts;
- } stats[nr_cpus];
- struct real_definition {
- union {
- __be32 dst;
- __be32 dstv6[4];
- };
- __u8 flags;
- } real_def = {.dst = MAGIC_VAL};
- __u32 ch_key = 11, real_num = 3;
- __u32 duration, retval, size;
- int err, i, prog_fd, map_fd;
- __u64 bytes = 0, pkts = 0;
- struct bpf_object *obj;
- char buf[128];
- u32 *magic = (u32 *)buf;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
- if (err) {
- error_cnt++;
- return;
- }
-
- map_fd = bpf_find_map(__func__, obj, "vip_map");
- if (map_fd < 0)
- goto out;
- bpf_map_update_elem(map_fd, &key, &value, 0);
-
- map_fd = bpf_find_map(__func__, obj, "ch_rings");
- if (map_fd < 0)
- goto out;
- bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);
-
- map_fd = bpf_find_map(__func__, obj, "reals");
- if (map_fd < 0)
- goto out;
- bpf_map_update_elem(map_fd, &real_num, &real_def, 0);
-
- err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v4, sizeof(pkt_v4),
- buf, &size, &retval, &duration);
- CHECK(err || retval != 1 || size != 54 ||
- *magic != MAGIC_VAL, "ipv4",
- "err %d errno %d retval %d size %d magic %x\n",
- err, errno, retval, size, *magic);
-
- err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v6, sizeof(pkt_v6),
- buf, &size, &retval, &duration);
- CHECK(err || retval != 1 || size != 74 ||
- *magic != MAGIC_VAL, "ipv6",
- "err %d errno %d retval %d size %d magic %x\n",
- err, errno, retval, size, *magic);
-
- map_fd = bpf_find_map(__func__, obj, "stats");
- if (map_fd < 0)
- goto out;
- bpf_map_lookup_elem(map_fd, &stats_key, stats);
- for (i = 0; i < nr_cpus; i++) {
- bytes += stats[i].bytes;
- pkts += stats[i].pkts;
- }
- if (bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2) {
- error_cnt++;
- printf("test_xdp_noinline:FAIL:stats %lld %lld\n", bytes, pkts);
- }
-out:
- bpf_object__close(obj);
-}
-
-static void test_tcp_estats(void)
-{
- const char *file = "./test_tcp_estats.o";
- int err, prog_fd;
- struct bpf_object *obj;
- __u32 duration = 0;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
- CHECK(err, "", "err %d errno %d\n", err, errno);
- if (err) {
- error_cnt++;
- return;
- }
-
- bpf_object__close(obj);
-}
-
-static inline __u64 ptr_to_u64(const void *ptr)
-{
- return (__u64) (unsigned long) ptr;
-}
-
static bool is_jit_enabled(void)
{
const char *jit_sysctl = "/proc/sys/net/core/bpf_jit_enable";
@@ -463,475 +56,7 @@ static bool is_jit_enabled(void)
return enabled;
}
-static void test_bpf_obj_id(void)
-{
- const __u64 array_magic_value = 0xfaceb00c;
- const __u32 array_key = 0;
- const int nr_iters = 2;
- const char *file = "./test_obj_id.o";
- const char *expected_prog_name = "test_obj_id";
- const char *expected_map_name = "test_map_id";
- const __u64 nsec_per_sec = 1000000000;
-
- struct bpf_object *objs[nr_iters];
- int prog_fds[nr_iters], map_fds[nr_iters];
- /* +1 to test for the info_len returned by kernel */
- struct bpf_prog_info prog_infos[nr_iters + 1];
- struct bpf_map_info map_infos[nr_iters + 1];
- /* Each prog only uses one map. +1 to test nr_map_ids
- * returned by kernel.
- */
- __u32 map_ids[nr_iters + 1];
- char jited_insns[128], xlated_insns[128], zeros[128];
- __u32 i, next_id, info_len, nr_id_found, duration = 0;
- struct timespec real_time_ts, boot_time_ts;
- int err = 0;
- __u64 array_value;
- uid_t my_uid = getuid();
- time_t now, load_time;
-
- err = bpf_prog_get_fd_by_id(0);
- CHECK(err >= 0 || errno != ENOENT,
- "get-fd-by-notexist-prog-id", "err %d errno %d\n", err, errno);
-
- err = bpf_map_get_fd_by_id(0);
- CHECK(err >= 0 || errno != ENOENT,
- "get-fd-by-notexist-map-id", "err %d errno %d\n", err, errno);
-
- for (i = 0; i < nr_iters; i++)
- objs[i] = NULL;
-
- /* Check bpf_obj_get_info_by_fd() */
- bzero(zeros, sizeof(zeros));
- for (i = 0; i < nr_iters; i++) {
- now = time(NULL);
- err = bpf_prog_load(file, BPF_PROG_TYPE_SOCKET_FILTER,
- &objs[i], &prog_fds[i]);
- /* test_obj_id.o is a dumb prog. It should never fail
- * to load.
- */
- if (err)
- error_cnt++;
- assert(!err);
-
- /* Insert a magic value to the map */
- map_fds[i] = bpf_find_map(__func__, objs[i], "test_map_id");
- assert(map_fds[i] >= 0);
- err = bpf_map_update_elem(map_fds[i], &array_key,
- &array_magic_value, 0);
- assert(!err);
-
- /* Check getting map info */
- info_len = sizeof(struct bpf_map_info) * 2;
- bzero(&map_infos[i], info_len);
- err = bpf_obj_get_info_by_fd(map_fds[i], &map_infos[i],
- &info_len);
- if (CHECK(err ||
- map_infos[i].type != BPF_MAP_TYPE_ARRAY ||
- map_infos[i].key_size != sizeof(__u32) ||
- map_infos[i].value_size != sizeof(__u64) ||
- map_infos[i].max_entries != 1 ||
- map_infos[i].map_flags != 0 ||
- info_len != sizeof(struct bpf_map_info) ||
- strcmp((char *)map_infos[i].name, expected_map_name),
- "get-map-info(fd)",
- "err %d errno %d type %d(%d) info_len %u(%Zu) key_size %u value_size %u max_entries %u map_flags %X name %s(%s)\n",
- err, errno,
- map_infos[i].type, BPF_MAP_TYPE_ARRAY,
- info_len, sizeof(struct bpf_map_info),
- map_infos[i].key_size,
- map_infos[i].value_size,
- map_infos[i].max_entries,
- map_infos[i].map_flags,
- map_infos[i].name, expected_map_name))
- goto done;
-
- /* Check getting prog info */
- info_len = sizeof(struct bpf_prog_info) * 2;
- bzero(&prog_infos[i], info_len);
- bzero(jited_insns, sizeof(jited_insns));
- bzero(xlated_insns, sizeof(xlated_insns));
- prog_infos[i].jited_prog_insns = ptr_to_u64(jited_insns);
- prog_infos[i].jited_prog_len = sizeof(jited_insns);
- prog_infos[i].xlated_prog_insns = ptr_to_u64(xlated_insns);
- prog_infos[i].xlated_prog_len = sizeof(xlated_insns);
- prog_infos[i].map_ids = ptr_to_u64(map_ids + i);
- prog_infos[i].nr_map_ids = 2;
- err = clock_gettime(CLOCK_REALTIME, &real_time_ts);
- assert(!err);
- err = clock_gettime(CLOCK_BOOTTIME, &boot_time_ts);
- assert(!err);
- err = bpf_obj_get_info_by_fd(prog_fds[i], &prog_infos[i],
- &info_len);
- load_time = (real_time_ts.tv_sec - boot_time_ts.tv_sec)
- + (prog_infos[i].load_time / nsec_per_sec);
- if (CHECK(err ||
- prog_infos[i].type != BPF_PROG_TYPE_SOCKET_FILTER ||
- info_len != sizeof(struct bpf_prog_info) ||
- (jit_enabled && !prog_infos[i].jited_prog_len) ||
- (jit_enabled &&
- !memcmp(jited_insns, zeros, sizeof(zeros))) ||
- !prog_infos[i].xlated_prog_len ||
- !memcmp(xlated_insns, zeros, sizeof(zeros)) ||
- load_time < now - 60 || load_time > now + 60 ||
- prog_infos[i].created_by_uid != my_uid ||
- prog_infos[i].nr_map_ids != 1 ||
- *(int *)(long)prog_infos[i].map_ids != map_infos[i].id ||
- strcmp((char *)prog_infos[i].name, expected_prog_name),
- "get-prog-info(fd)",
- "err %d errno %d i %d type %d(%d) info_len %u(%Zu) jit_enabled %d jited_prog_len %u xlated_prog_len %u jited_prog %d xlated_prog %d load_time %lu(%lu) uid %u(%u) nr_map_ids %u(%u) map_id %u(%u) name %s(%s)\n",
- err, errno, i,
- prog_infos[i].type, BPF_PROG_TYPE_SOCKET_FILTER,
- info_len, sizeof(struct bpf_prog_info),
- jit_enabled,
- prog_infos[i].jited_prog_len,
- prog_infos[i].xlated_prog_len,
- !!memcmp(jited_insns, zeros, sizeof(zeros)),
- !!memcmp(xlated_insns, zeros, sizeof(zeros)),
- load_time, now,
- prog_infos[i].created_by_uid, my_uid,
- prog_infos[i].nr_map_ids, 1,
- *(int *)(long)prog_infos[i].map_ids, map_infos[i].id,
- prog_infos[i].name, expected_prog_name))
- goto done;
- }
-
- /* Check bpf_prog_get_next_id() */
- nr_id_found = 0;
- next_id = 0;
- while (!bpf_prog_get_next_id(next_id, &next_id)) {
- struct bpf_prog_info prog_info = {};
- __u32 saved_map_id;
- int prog_fd;
-
- info_len = sizeof(prog_info);
-
- prog_fd = bpf_prog_get_fd_by_id(next_id);
- if (prog_fd < 0 && errno == ENOENT)
- /* The bpf_prog is in the dead row */
- continue;
- if (CHECK(prog_fd < 0, "get-prog-fd(next_id)",
- "prog_fd %d next_id %d errno %d\n",
- prog_fd, next_id, errno))
- break;
-
- for (i = 0; i < nr_iters; i++)
- if (prog_infos[i].id == next_id)
- break;
-
- if (i == nr_iters)
- continue;
-
- nr_id_found++;
-
- /* Negative test:
- * prog_info.nr_map_ids = 1
- * prog_info.map_ids = NULL
- */
- prog_info.nr_map_ids = 1;
- err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
- if (CHECK(!err || errno != EFAULT,
- "get-prog-fd-bad-nr-map-ids", "err %d errno %d(%d)",
- err, errno, EFAULT))
- break;
- bzero(&prog_info, sizeof(prog_info));
- info_len = sizeof(prog_info);
-
- saved_map_id = *(int *)((long)prog_infos[i].map_ids);
- prog_info.map_ids = prog_infos[i].map_ids;
- prog_info.nr_map_ids = 2;
- err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
- prog_infos[i].jited_prog_insns = 0;
- prog_infos[i].xlated_prog_insns = 0;
- CHECK(err || info_len != sizeof(struct bpf_prog_info) ||
- memcmp(&prog_info, &prog_infos[i], info_len) ||
- *(int *)(long)prog_info.map_ids != saved_map_id,
- "get-prog-info(next_id->fd)",
- "err %d errno %d info_len %u(%Zu) memcmp %d map_id %u(%u)\n",
- err, errno, info_len, sizeof(struct bpf_prog_info),
- memcmp(&prog_info, &prog_infos[i], info_len),
- *(int *)(long)prog_info.map_ids, saved_map_id);
- close(prog_fd);
- }
- CHECK(nr_id_found != nr_iters,
- "check total prog id found by get_next_id",
- "nr_id_found %u(%u)\n",
- nr_id_found, nr_iters);
-
- /* Check bpf_map_get_next_id() */
- nr_id_found = 0;
- next_id = 0;
- while (!bpf_map_get_next_id(next_id, &next_id)) {
- struct bpf_map_info map_info = {};
- int map_fd;
-
- info_len = sizeof(map_info);
-
- map_fd = bpf_map_get_fd_by_id(next_id);
- if (map_fd < 0 && errno == ENOENT)
- /* The bpf_map is in the dead row */
- continue;
- if (CHECK(map_fd < 0, "get-map-fd(next_id)",
- "map_fd %d next_id %u errno %d\n",
- map_fd, next_id, errno))
- break;
-
- for (i = 0; i < nr_iters; i++)
- if (map_infos[i].id == next_id)
- break;
-
- if (i == nr_iters)
- continue;
-
- nr_id_found++;
-
- err = bpf_map_lookup_elem(map_fd, &array_key, &array_value);
- assert(!err);
-
- err = bpf_obj_get_info_by_fd(map_fd, &map_info, &info_len);
- CHECK(err || info_len != sizeof(struct bpf_map_info) ||
- memcmp(&map_info, &map_infos[i], info_len) ||
- array_value != array_magic_value,
- "check get-map-info(next_id->fd)",
- "err %d errno %d info_len %u(%Zu) memcmp %d array_value %llu(%llu)\n",
- err, errno, info_len, sizeof(struct bpf_map_info),
- memcmp(&map_info, &map_infos[i], info_len),
- array_value, array_magic_value);
-
- close(map_fd);
- }
- CHECK(nr_id_found != nr_iters,
- "check total map id found by get_next_id",
- "nr_id_found %u(%u)\n",
- nr_id_found, nr_iters);
-
-done:
- for (i = 0; i < nr_iters; i++)
- bpf_object__close(objs[i]);
-}
-
-static void test_pkt_md_access(void)
-{
- const char *file = "./test_pkt_md_access.o";
- struct bpf_object *obj;
- __u32 duration, retval;
- int err, prog_fd;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
- if (err) {
- error_cnt++;
- return;
- }
-
- err = bpf_prog_test_run(prog_fd, 10, &pkt_v4, sizeof(pkt_v4),
- NULL, NULL, &retval, &duration);
- CHECK(err || retval, "",
- "err %d errno %d retval %d duration %d\n",
- err, errno, retval, duration);
-
- bpf_object__close(obj);
-}
-
-static void test_obj_name(void)
-{
- struct {
- const char *name;
- int success;
- int expected_errno;
- } tests[] = {
- { "", 1, 0 },
- { "_123456789ABCDE", 1, 0 },
- { "_123456789ABCDEF", 0, EINVAL },
- { "_123456789ABCD\n", 0, EINVAL },
- };
- struct bpf_insn prog[] = {
- BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- };
- __u32 duration = 0;
- int i;
-
- for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
- size_t name_len = strlen(tests[i].name) + 1;
- union bpf_attr attr;
- size_t ncopy;
- int fd;
-
- /* test different attr.prog_name during BPF_PROG_LOAD */
- ncopy = name_len < sizeof(attr.prog_name) ?
- name_len : sizeof(attr.prog_name);
- bzero(&attr, sizeof(attr));
- attr.prog_type = BPF_PROG_TYPE_SCHED_CLS;
- attr.insn_cnt = 2;
- attr.insns = ptr_to_u64(prog);
- attr.license = ptr_to_u64("");
- memcpy(attr.prog_name, tests[i].name, ncopy);
-
- fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
- CHECK((tests[i].success && fd < 0) ||
- (!tests[i].success && fd != -1) ||
- (!tests[i].success && errno != tests[i].expected_errno),
- "check-bpf-prog-name",
- "fd %d(%d) errno %d(%d)\n",
- fd, tests[i].success, errno, tests[i].expected_errno);
-
- if (fd != -1)
- close(fd);
-
- /* test different attr.map_name during BPF_MAP_CREATE */
- ncopy = name_len < sizeof(attr.map_name) ?
- name_len : sizeof(attr.map_name);
- bzero(&attr, sizeof(attr));
- attr.map_type = BPF_MAP_TYPE_ARRAY;
- attr.key_size = 4;
- attr.value_size = 4;
- attr.max_entries = 1;
- attr.map_flags = 0;
- memcpy(attr.map_name, tests[i].name, ncopy);
- fd = syscall(__NR_bpf, BPF_MAP_CREATE, &attr, sizeof(attr));
- CHECK((tests[i].success && fd < 0) ||
- (!tests[i].success && fd != -1) ||
- (!tests[i].success && errno != tests[i].expected_errno),
- "check-bpf-map-name",
- "fd %d(%d) errno %d(%d)\n",
- fd, tests[i].success, errno, tests[i].expected_errno);
-
- if (fd != -1)
- close(fd);
- }
-}
-
-static void test_tp_attach_query(void)
-{
- const int num_progs = 3;
- int i, j, bytes, efd, err, prog_fd[num_progs], pmu_fd[num_progs];
- __u32 duration = 0, info_len, saved_prog_ids[num_progs];
- const char *file = "./test_tracepoint.o";
- struct perf_event_query_bpf *query;
- struct perf_event_attr attr = {};
- struct bpf_object *obj[num_progs];
- struct bpf_prog_info prog_info;
- char buf[256];
-
- snprintf(buf, sizeof(buf),
- "/sys/kernel/debug/tracing/events/sched/sched_switch/id");
- efd = open(buf, O_RDONLY, 0);
- if (CHECK(efd < 0, "open", "err %d errno %d\n", efd, errno))
- return;
- bytes = read(efd, buf, sizeof(buf));
- close(efd);
- if (CHECK(bytes <= 0 || bytes >= sizeof(buf),
- "read", "bytes %d errno %d\n", bytes, errno))
- return;
-
- attr.config = strtol(buf, NULL, 0);
- attr.type = PERF_TYPE_TRACEPOINT;
- attr.sample_type = PERF_SAMPLE_RAW | PERF_SAMPLE_CALLCHAIN;
- attr.sample_period = 1;
- attr.wakeup_events = 1;
-
- query = malloc(sizeof(*query) + sizeof(__u32) * num_progs);
- for (i = 0; i < num_progs; i++) {
- err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj[i],
- &prog_fd[i]);
- if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
- goto cleanup1;
-
- bzero(&prog_info, sizeof(prog_info));
- prog_info.jited_prog_len = 0;
- prog_info.xlated_prog_len = 0;
- prog_info.nr_map_ids = 0;
- info_len = sizeof(prog_info);
- err = bpf_obj_get_info_by_fd(prog_fd[i], &prog_info, &info_len);
- if (CHECK(err, "bpf_obj_get_info_by_fd", "err %d errno %d\n",
- err, errno))
- goto cleanup1;
- saved_prog_ids[i] = prog_info.id;
-
- pmu_fd[i] = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
- 0 /* cpu 0 */, -1 /* group id */,
- 0 /* flags */);
- if (CHECK(pmu_fd[i] < 0, "perf_event_open", "err %d errno %d\n",
- pmu_fd[i], errno))
- goto cleanup2;
- err = ioctl(pmu_fd[i], PERF_EVENT_IOC_ENABLE, 0);
- if (CHECK(err, "perf_event_ioc_enable", "err %d errno %d\n",
- err, errno))
- goto cleanup3;
-
- if (i == 0) {
- /* check NULL prog array query */
- query->ids_len = num_progs;
- err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
- if (CHECK(err || query->prog_cnt != 0,
- "perf_event_ioc_query_bpf",
- "err %d errno %d query->prog_cnt %u\n",
- err, errno, query->prog_cnt))
- goto cleanup3;
- }
-
- err = ioctl(pmu_fd[i], PERF_EVENT_IOC_SET_BPF, prog_fd[i]);
- if (CHECK(err, "perf_event_ioc_set_bpf", "err %d errno %d\n",
- err, errno))
- goto cleanup3;
-
- if (i == 1) {
- /* try to get # of programs only */
- query->ids_len = 0;
- err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
- if (CHECK(err || query->prog_cnt != 2,
- "perf_event_ioc_query_bpf",
- "err %d errno %d query->prog_cnt %u\n",
- err, errno, query->prog_cnt))
- goto cleanup3;
-
- /* try a few negative tests */
- /* invalid query pointer */
- err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF,
- (struct perf_event_query_bpf *)0x1);
- if (CHECK(!err || errno != EFAULT,
- "perf_event_ioc_query_bpf",
- "err %d errno %d\n", err, errno))
- goto cleanup3;
-
- /* no enough space */
- query->ids_len = 1;
- err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
- if (CHECK(!err || errno != ENOSPC || query->prog_cnt != 2,
- "perf_event_ioc_query_bpf",
- "err %d errno %d query->prog_cnt %u\n",
- err, errno, query->prog_cnt))
- goto cleanup3;
- }
-
- query->ids_len = num_progs;
- err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
- if (CHECK(err || query->prog_cnt != (i + 1),
- "perf_event_ioc_query_bpf",
- "err %d errno %d query->prog_cnt %u\n",
- err, errno, query->prog_cnt))
- goto cleanup3;
- for (j = 0; j < i + 1; j++)
- if (CHECK(saved_prog_ids[j] != query->ids[j],
- "perf_event_ioc_query_bpf",
- "#%d saved_prog_id %x query prog_id %x\n",
- j, saved_prog_ids[j], query->ids[j]))
- goto cleanup3;
- }
-
- i = num_progs - 1;
- for (; i >= 0; i--) {
- cleanup3:
- ioctl(pmu_fd[i], PERF_EVENT_IOC_DISABLE);
- cleanup2:
- close(pmu_fd[i]);
- cleanup1:
- bpf_object__close(obj[i]);
- }
- free(query);
-}
-
-static int compare_map_keys(int map1_fd, int map2_fd)
+int compare_map_keys(int map1_fd, int map2_fd)
{
__u32 key, next_key;
char val_buf[PERF_MAX_STACK_DEPTH *
@@ -958,7 +83,7 @@ static int compare_map_keys(int map1_fd, int map2_fd)
return 0;
}
-static int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len)
+int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len)
{
__u32 key, next_key, *cur_key_p, *next_key_p;
char *val_buf1, *val_buf2;
@@ -994,165 +119,7 @@ out:
return err;
}
-static void test_stacktrace_map()
-{
- int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd;
- const char *file = "./test_stacktrace_map.o";
- int bytes, efd, err, pmu_fd, prog_fd, stack_trace_len;
- struct perf_event_attr attr = {};
- __u32 key, val, duration = 0;
- struct bpf_object *obj;
- char buf[256];
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
- if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
- return;
-
- /* Get the ID for the sched/sched_switch tracepoint */
- snprintf(buf, sizeof(buf),
- "/sys/kernel/debug/tracing/events/sched/sched_switch/id");
- efd = open(buf, O_RDONLY, 0);
- if (CHECK(efd < 0, "open", "err %d errno %d\n", efd, errno))
- goto close_prog;
-
- bytes = read(efd, buf, sizeof(buf));
- close(efd);
- if (bytes <= 0 || bytes >= sizeof(buf))
- goto close_prog;
-
- /* Open the perf event and attach bpf progrram */
- attr.config = strtol(buf, NULL, 0);
- attr.type = PERF_TYPE_TRACEPOINT;
- attr.sample_type = PERF_SAMPLE_RAW | PERF_SAMPLE_CALLCHAIN;
- attr.sample_period = 1;
- attr.wakeup_events = 1;
- pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
- 0 /* cpu 0 */, -1 /* group id */,
- 0 /* flags */);
- if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n",
- pmu_fd, errno))
- goto close_prog;
-
- err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
- if (err)
- goto disable_pmu;
-
- err = ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd);
- if (err)
- goto disable_pmu;
-
- /* find map fds */
- control_map_fd = bpf_find_map(__func__, obj, "control_map");
- if (control_map_fd < 0)
- goto disable_pmu;
-
- stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
- if (stackid_hmap_fd < 0)
- goto disable_pmu;
-
- stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
- if (stackmap_fd < 0)
- goto disable_pmu;
-
- stack_amap_fd = bpf_find_map(__func__, obj, "stack_amap");
- if (stack_amap_fd < 0)
- goto disable_pmu;
-
- /* give some time for bpf program run */
- sleep(1);
-
- /* disable stack trace collection */
- key = 0;
- val = 1;
- bpf_map_update_elem(control_map_fd, &key, &val, 0);
-
- /* for every element in stackid_hmap, we can find a corresponding one
- * in stackmap, and vise versa.
- */
- err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
- if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu_noerr;
-
- err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
- if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu_noerr;
-
- stack_trace_len = PERF_MAX_STACK_DEPTH * sizeof(__u64);
- err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
- if (CHECK(err, "compare_stack_ips stackmap vs. stack_amap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu_noerr;
-
- goto disable_pmu_noerr;
-disable_pmu:
- error_cnt++;
-disable_pmu_noerr:
- ioctl(pmu_fd, PERF_EVENT_IOC_DISABLE);
- close(pmu_fd);
-close_prog:
- bpf_object__close(obj);
-}
-
-static void test_stacktrace_map_raw_tp()
-{
- int control_map_fd, stackid_hmap_fd, stackmap_fd;
- const char *file = "./test_stacktrace_map.o";
- int efd, err, prog_fd;
- __u32 key, val, duration = 0;
- struct bpf_object *obj;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
- if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
- return;
-
- efd = bpf_raw_tracepoint_open("sched_switch", prog_fd);
- if (CHECK(efd < 0, "raw_tp_open", "err %d errno %d\n", efd, errno))
- goto close_prog;
-
- /* find map fds */
- control_map_fd = bpf_find_map(__func__, obj, "control_map");
- if (control_map_fd < 0)
- goto close_prog;
-
- stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
- if (stackid_hmap_fd < 0)
- goto close_prog;
-
- stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
- if (stackmap_fd < 0)
- goto close_prog;
-
- /* give some time for bpf program run */
- sleep(1);
-
- /* disable stack trace collection */
- key = 0;
- val = 1;
- bpf_map_update_elem(control_map_fd, &key, &val, 0);
-
- /* for every element in stackid_hmap, we can find a corresponding one
- * in stackmap, and vise versa.
- */
- err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
- if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
- "err %d errno %d\n", err, errno))
- goto close_prog;
-
- err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
- if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
- "err %d errno %d\n", err, errno))
- goto close_prog;
-
- goto close_prog_noerr;
-close_prog:
- error_cnt++;
-close_prog_noerr:
- bpf_object__close(obj);
-}
-
-static int extract_build_id(char *build_id, size_t size)
+int extract_build_id(char *build_id, size_t size)
{
FILE *fp;
char *line = NULL;
@@ -1176,769 +143,35 @@ err:
return -1;
}
-static void test_stacktrace_build_id(void)
-{
- int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd;
- const char *file = "./test_stacktrace_build_id.o";
- int bytes, efd, err, pmu_fd, prog_fd, stack_trace_len;
- struct perf_event_attr attr = {};
- __u32 key, previous_key, val, duration = 0;
- struct bpf_object *obj;
- char buf[256];
- int i, j;
- struct bpf_stack_build_id id_offs[PERF_MAX_STACK_DEPTH];
- int build_id_matches = 0;
- int retry = 1;
-
-retry:
- err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
- if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
- goto out;
-
- /* Get the ID for the sched/sched_switch tracepoint */
- snprintf(buf, sizeof(buf),
- "/sys/kernel/debug/tracing/events/random/urandom_read/id");
- efd = open(buf, O_RDONLY, 0);
- if (CHECK(efd < 0, "open", "err %d errno %d\n", efd, errno))
- goto close_prog;
-
- bytes = read(efd, buf, sizeof(buf));
- close(efd);
- if (CHECK(bytes <= 0 || bytes >= sizeof(buf),
- "read", "bytes %d errno %d\n", bytes, errno))
- goto close_prog;
-
- /* Open the perf event and attach bpf progrram */
- attr.config = strtol(buf, NULL, 0);
- attr.type = PERF_TYPE_TRACEPOINT;
- attr.sample_type = PERF_SAMPLE_RAW | PERF_SAMPLE_CALLCHAIN;
- attr.sample_period = 1;
- attr.wakeup_events = 1;
- pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
- 0 /* cpu 0 */, -1 /* group id */,
- 0 /* flags */);
- if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n",
- pmu_fd, errno))
- goto close_prog;
-
- err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
- if (CHECK(err, "perf_event_ioc_enable", "err %d errno %d\n",
- err, errno))
- goto close_pmu;
-
- err = ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd);
- if (CHECK(err, "perf_event_ioc_set_bpf", "err %d errno %d\n",
- err, errno))
- goto disable_pmu;
-
- /* find map fds */
- control_map_fd = bpf_find_map(__func__, obj, "control_map");
- if (CHECK(control_map_fd < 0, "bpf_find_map control_map",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
- if (CHECK(stackid_hmap_fd < 0, "bpf_find_map stackid_hmap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
- if (CHECK(stackmap_fd < 0, "bpf_find_map stackmap", "err %d errno %d\n",
- err, errno))
- goto disable_pmu;
-
- stack_amap_fd = bpf_find_map(__func__, obj, "stack_amap");
- if (CHECK(stack_amap_fd < 0, "bpf_find_map stack_amap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- assert(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")
- == 0);
- assert(system("./urandom_read") == 0);
- /* disable stack trace collection */
- key = 0;
- val = 1;
- bpf_map_update_elem(control_map_fd, &key, &val, 0);
-
- /* for every element in stackid_hmap, we can find a corresponding one
- * in stackmap, and vise versa.
- */
- err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
- if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
- if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- err = extract_build_id(buf, 256);
-
- if (CHECK(err, "get build_id with readelf",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- err = bpf_map_get_next_key(stackmap_fd, NULL, &key);
- if (CHECK(err, "get_next_key from stackmap",
- "err %d, errno %d\n", err, errno))
- goto disable_pmu;
-
- do {
- char build_id[64];
-
- err = bpf_map_lookup_elem(stackmap_fd, &key, id_offs);
- if (CHECK(err, "lookup_elem from stackmap",
- "err %d, errno %d\n", err, errno))
- goto disable_pmu;
- for (i = 0; i < PERF_MAX_STACK_DEPTH; ++i)
- if (id_offs[i].status == BPF_STACK_BUILD_ID_VALID &&
- id_offs[i].offset != 0) {
- for (j = 0; j < 20; ++j)
- sprintf(build_id + 2 * j, "%02x",
- id_offs[i].build_id[j] & 0xff);
- if (strstr(buf, build_id) != NULL)
- build_id_matches = 1;
- }
- previous_key = key;
- } while (bpf_map_get_next_key(stackmap_fd, &previous_key, &key) == 0);
-
- /* stack_map_get_build_id_offset() is racy and sometimes can return
- * BPF_STACK_BUILD_ID_IP instead of BPF_STACK_BUILD_ID_VALID;
- * try it one more time.
- */
- if (build_id_matches < 1 && retry--) {
- ioctl(pmu_fd, PERF_EVENT_IOC_DISABLE);
- close(pmu_fd);
- bpf_object__close(obj);
- printf("%s:WARN:Didn't find expected build ID from the map, retrying\n",
- __func__);
- goto retry;
- }
-
- if (CHECK(build_id_matches < 1, "build id match",
- "Didn't find expected build ID from the map\n"))
- goto disable_pmu;
-
- stack_trace_len = PERF_MAX_STACK_DEPTH
- * sizeof(struct bpf_stack_build_id);
- err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
- CHECK(err, "compare_stack_ips stackmap vs. stack_amap",
- "err %d errno %d\n", err, errno);
-
-disable_pmu:
- ioctl(pmu_fd, PERF_EVENT_IOC_DISABLE);
-
-close_pmu:
- close(pmu_fd);
-
-close_prog:
- bpf_object__close(obj);
-
-out:
- return;
-}
-
-static void test_stacktrace_build_id_nmi(void)
-{
- int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd;
- const char *file = "./test_stacktrace_build_id.o";
- int err, pmu_fd, prog_fd;
- struct perf_event_attr attr = {
- .sample_freq = 5000,
- .freq = 1,
- .type = PERF_TYPE_HARDWARE,
- .config = PERF_COUNT_HW_CPU_CYCLES,
- };
- __u32 key, previous_key, val, duration = 0;
- struct bpf_object *obj;
- char buf[256];
- int i, j;
- struct bpf_stack_build_id id_offs[PERF_MAX_STACK_DEPTH];
- int build_id_matches = 0;
- int retry = 1;
-
-retry:
- err = bpf_prog_load(file, BPF_PROG_TYPE_PERF_EVENT, &obj, &prog_fd);
- if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
- return;
-
- pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
- 0 /* cpu 0 */, -1 /* group id */,
- 0 /* flags */);
- if (CHECK(pmu_fd < 0, "perf_event_open",
- "err %d errno %d. Does the test host support PERF_COUNT_HW_CPU_CYCLES?\n",
- pmu_fd, errno))
- goto close_prog;
-
- err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
- if (CHECK(err, "perf_event_ioc_enable", "err %d errno %d\n",
- err, errno))
- goto close_pmu;
-
- err = ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd);
- if (CHECK(err, "perf_event_ioc_set_bpf", "err %d errno %d\n",
- err, errno))
- goto disable_pmu;
-
- /* find map fds */
- control_map_fd = bpf_find_map(__func__, obj, "control_map");
- if (CHECK(control_map_fd < 0, "bpf_find_map control_map",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
- if (CHECK(stackid_hmap_fd < 0, "bpf_find_map stackid_hmap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
- if (CHECK(stackmap_fd < 0, "bpf_find_map stackmap", "err %d errno %d\n",
- err, errno))
- goto disable_pmu;
-
- stack_amap_fd = bpf_find_map(__func__, obj, "stack_amap");
- if (CHECK(stack_amap_fd < 0, "bpf_find_map stack_amap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- assert(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")
- == 0);
- assert(system("taskset 0x1 ./urandom_read 100000") == 0);
- /* disable stack trace collection */
- key = 0;
- val = 1;
- bpf_map_update_elem(control_map_fd, &key, &val, 0);
-
- /* for every element in stackid_hmap, we can find a corresponding one
- * in stackmap, and vise versa.
- */
- err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
- if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
- if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- err = extract_build_id(buf, 256);
-
- if (CHECK(err, "get build_id with readelf",
- "err %d errno %d\n", err, errno))
- goto disable_pmu;
-
- err = bpf_map_get_next_key(stackmap_fd, NULL, &key);
- if (CHECK(err, "get_next_key from stackmap",
- "err %d, errno %d\n", err, errno))
- goto disable_pmu;
-
- do {
- char build_id[64];
-
- err = bpf_map_lookup_elem(stackmap_fd, &key, id_offs);
- if (CHECK(err, "lookup_elem from stackmap",
- "err %d, errno %d\n", err, errno))
- goto disable_pmu;
- for (i = 0; i < PERF_MAX_STACK_DEPTH; ++i)
- if (id_offs[i].status == BPF_STACK_BUILD_ID_VALID &&
- id_offs[i].offset != 0) {
- for (j = 0; j < 20; ++j)
- sprintf(build_id + 2 * j, "%02x",
- id_offs[i].build_id[j] & 0xff);
- if (strstr(buf, build_id) != NULL)
- build_id_matches = 1;
- }
- previous_key = key;
- } while (bpf_map_get_next_key(stackmap_fd, &previous_key, &key) == 0);
-
- /* stack_map_get_build_id_offset() is racy and sometimes can return
- * BPF_STACK_BUILD_ID_IP instead of BPF_STACK_BUILD_ID_VALID;
- * try it one more time.
- */
- if (build_id_matches < 1 && retry--) {
- ioctl(pmu_fd, PERF_EVENT_IOC_DISABLE);
- close(pmu_fd);
- bpf_object__close(obj);
- printf("%s:WARN:Didn't find expected build ID from the map, retrying\n",
- __func__);
- goto retry;
- }
-
- if (CHECK(build_id_matches < 1, "build id match",
- "Didn't find expected build ID from the map\n"))
- goto disable_pmu;
-
- /*
- * We intentionally skip compare_stack_ips(). This is because we
- * only support one in_nmi() ips-to-build_id translation per cpu
- * at any time, thus stack_amap here will always fallback to
- * BPF_STACK_BUILD_ID_IP;
- */
-
-disable_pmu:
- ioctl(pmu_fd, PERF_EVENT_IOC_DISABLE);
-
-close_pmu:
- close(pmu_fd);
-
-close_prog:
- bpf_object__close(obj);
-}
-
-#define MAX_CNT_RAWTP 10ull
-#define MAX_STACK_RAWTP 100
-struct get_stack_trace_t {
- int pid;
- int kern_stack_size;
- int user_stack_size;
- int user_stack_buildid_size;
- __u64 kern_stack[MAX_STACK_RAWTP];
- __u64 user_stack[MAX_STACK_RAWTP];
- struct bpf_stack_build_id user_stack_buildid[MAX_STACK_RAWTP];
-};
-
-static int get_stack_print_output(void *data, int size)
+void *spin_lock_thread(void *arg)
{
- bool good_kern_stack = false, good_user_stack = false;
- const char *nonjit_func = "___bpf_prog_run";
- struct get_stack_trace_t *e = data;
- int i, num_stack;
- static __u64 cnt;
- struct ksym *ks;
-
- cnt++;
-
- if (size < sizeof(struct get_stack_trace_t)) {
- __u64 *raw_data = data;
- bool found = false;
-
- num_stack = size / sizeof(__u64);
- /* If jit is enabled, we do not have a good way to
- * verify the sanity of the kernel stack. So we
- * just assume it is good if the stack is not empty.
- * This could be improved in the future.
- */
- if (jit_enabled) {
- found = num_stack > 0;
- } else {
- for (i = 0; i < num_stack; i++) {
- ks = ksym_search(raw_data[i]);
- if (strcmp(ks->name, nonjit_func) == 0) {
- found = true;
- break;
- }
- }
- }
- if (found) {
- good_kern_stack = true;
- good_user_stack = true;
- }
- } else {
- num_stack = e->kern_stack_size / sizeof(__u64);
- if (jit_enabled) {
- good_kern_stack = num_stack > 0;
- } else {
- for (i = 0; i < num_stack; i++) {
- ks = ksym_search(e->kern_stack[i]);
- if (strcmp(ks->name, nonjit_func) == 0) {
- good_kern_stack = true;
- break;
- }
- }
- }
- if (e->user_stack_size > 0 && e->user_stack_buildid_size > 0)
- good_user_stack = true;
- }
- if (!good_kern_stack || !good_user_stack)
- return LIBBPF_PERF_EVENT_ERROR;
-
- if (cnt == MAX_CNT_RAWTP)
- return LIBBPF_PERF_EVENT_DONE;
-
- return LIBBPF_PERF_EVENT_CONT;
-}
-
-static void test_get_stack_raw_tp(void)
-{
- const char *file = "./test_get_stack_rawtp.o";
- int i, efd, err, prog_fd, pmu_fd, perfmap_fd;
- struct perf_event_attr attr = {};
- struct timespec tv = {0, 10};
- __u32 key = 0, duration = 0;
- struct bpf_object *obj;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
- if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
- return;
-
- efd = bpf_raw_tracepoint_open("sys_enter", prog_fd);
- if (CHECK(efd < 0, "raw_tp_open", "err %d errno %d\n", efd, errno))
- goto close_prog;
-
- perfmap_fd = bpf_find_map(__func__, obj, "perfmap");
- if (CHECK(perfmap_fd < 0, "bpf_find_map", "err %d errno %d\n",
- perfmap_fd, errno))
- goto close_prog;
-
- err = load_kallsyms();
- if (CHECK(err < 0, "load_kallsyms", "err %d errno %d\n", err, errno))
- goto close_prog;
-
- attr.sample_type = PERF_SAMPLE_RAW;
- attr.type = PERF_TYPE_SOFTWARE;
- attr.config = PERF_COUNT_SW_BPF_OUTPUT;
- pmu_fd = syscall(__NR_perf_event_open, &attr, getpid()/*pid*/, -1/*cpu*/,
- -1/*group_fd*/, 0);
- if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n", pmu_fd,
- errno))
- goto close_prog;
-
- err = bpf_map_update_elem(perfmap_fd, &key, &pmu_fd, BPF_ANY);
- if (CHECK(err < 0, "bpf_map_update_elem", "err %d errno %d\n", err,
- errno))
- goto close_prog;
-
- err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
- if (CHECK(err < 0, "ioctl PERF_EVENT_IOC_ENABLE", "err %d errno %d\n",
- err, errno))
- goto close_prog;
-
- err = perf_event_mmap(pmu_fd);
- if (CHECK(err < 0, "perf_event_mmap", "err %d errno %d\n", err, errno))
- goto close_prog;
-
- /* trigger some syscall action */
- for (i = 0; i < MAX_CNT_RAWTP; i++)
- nanosleep(&tv, NULL);
-
- err = perf_event_poller(pmu_fd, get_stack_print_output);
- if (CHECK(err < 0, "perf_event_poller", "err %d errno %d\n", err, errno))
- goto close_prog;
-
- goto close_prog_noerr;
-close_prog:
- error_cnt++;
-close_prog_noerr:
- bpf_object__close(obj);
-}
-
-static void test_task_fd_query_rawtp(void)
-{
- const char *file = "./test_get_stack_rawtp.o";
- __u64 probe_offset, probe_addr;
- __u32 len, prog_id, fd_type;
- struct bpf_object *obj;
- int efd, err, prog_fd;
- __u32 duration = 0;
- char buf[256];
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
- if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
- return;
-
- efd = bpf_raw_tracepoint_open("sys_enter", prog_fd);
- if (CHECK(efd < 0, "raw_tp_open", "err %d errno %d\n", efd, errno))
- goto close_prog;
-
- /* query (getpid(), efd) */
- len = sizeof(buf);
- err = bpf_task_fd_query(getpid(), efd, 0, buf, &len, &prog_id,
- &fd_type, &probe_offset, &probe_addr);
- if (CHECK(err < 0, "bpf_task_fd_query", "err %d errno %d\n", err,
- errno))
- goto close_prog;
-
- err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
- strcmp(buf, "sys_enter") == 0;
- if (CHECK(!err, "check_results", "fd_type %d tp_name %s\n",
- fd_type, buf))
- goto close_prog;
-
- /* test zero len */
- len = 0;
- err = bpf_task_fd_query(getpid(), efd, 0, buf, &len, &prog_id,
- &fd_type, &probe_offset, &probe_addr);
- if (CHECK(err < 0, "bpf_task_fd_query (len = 0)", "err %d errno %d\n",
- err, errno))
- goto close_prog;
- err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
- len == strlen("sys_enter");
- if (CHECK(!err, "check_results", "fd_type %d len %u\n", fd_type, len))
- goto close_prog;
-
- /* test empty buffer */
- len = sizeof(buf);
- err = bpf_task_fd_query(getpid(), efd, 0, 0, &len, &prog_id,
- &fd_type, &probe_offset, &probe_addr);
- if (CHECK(err < 0, "bpf_task_fd_query (buf = 0)", "err %d errno %d\n",
- err, errno))
- goto close_prog;
- err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
- len == strlen("sys_enter");
- if (CHECK(!err, "check_results", "fd_type %d len %u\n", fd_type, len))
- goto close_prog;
-
- /* test smaller buffer */
- len = 3;
- err = bpf_task_fd_query(getpid(), efd, 0, buf, &len, &prog_id,
- &fd_type, &probe_offset, &probe_addr);
- if (CHECK(err >= 0 || errno != ENOSPC, "bpf_task_fd_query (len = 3)",
- "err %d errno %d\n", err, errno))
- goto close_prog;
- err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
- len == strlen("sys_enter") &&
- strcmp(buf, "sy") == 0;
- if (CHECK(!err, "check_results", "fd_type %d len %u\n", fd_type, len))
- goto close_prog;
-
- goto close_prog_noerr;
-close_prog:
- error_cnt++;
-close_prog_noerr:
- bpf_object__close(obj);
-}
-
-static void test_task_fd_query_tp_core(const char *probe_name,
- const char *tp_name)
-{
- const char *file = "./test_tracepoint.o";
- int err, bytes, efd, prog_fd, pmu_fd;
- struct perf_event_attr attr = {};
- __u64 probe_offset, probe_addr;
- __u32 len, prog_id, fd_type;
- struct bpf_object *obj;
- __u32 duration = 0;
- char buf[256];
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
- if (CHECK(err, "bpf_prog_load", "err %d errno %d\n", err, errno))
- goto close_prog;
-
- snprintf(buf, sizeof(buf),
- "/sys/kernel/debug/tracing/events/%s/id", probe_name);
- efd = open(buf, O_RDONLY, 0);
- if (CHECK(efd < 0, "open", "err %d errno %d\n", efd, errno))
- goto close_prog;
- bytes = read(efd, buf, sizeof(buf));
- close(efd);
- if (CHECK(bytes <= 0 || bytes >= sizeof(buf), "read",
- "bytes %d errno %d\n", bytes, errno))
- goto close_prog;
-
- attr.config = strtol(buf, NULL, 0);
- attr.type = PERF_TYPE_TRACEPOINT;
- attr.sample_type = PERF_SAMPLE_RAW;
- attr.sample_period = 1;
- attr.wakeup_events = 1;
- pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
- 0 /* cpu 0 */, -1 /* group id */,
- 0 /* flags */);
- if (CHECK(err, "perf_event_open", "err %d errno %d\n", err, errno))
- goto close_pmu;
-
- err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
- if (CHECK(err, "perf_event_ioc_enable", "err %d errno %d\n", err,
- errno))
- goto close_pmu;
-
- err = ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd);
- if (CHECK(err, "perf_event_ioc_set_bpf", "err %d errno %d\n", err,
- errno))
- goto close_pmu;
-
- /* query (getpid(), pmu_fd) */
- len = sizeof(buf);
- err = bpf_task_fd_query(getpid(), pmu_fd, 0, buf, &len, &prog_id,
- &fd_type, &probe_offset, &probe_addr);
- if (CHECK(err < 0, "bpf_task_fd_query", "err %d errno %d\n", err,
- errno))
- goto close_pmu;
-
- err = (fd_type == BPF_FD_TYPE_TRACEPOINT) && !strcmp(buf, tp_name);
- if (CHECK(!err, "check_results", "fd_type %d tp_name %s\n",
- fd_type, buf))
- goto close_pmu;
-
- close(pmu_fd);
- goto close_prog_noerr;
-
-close_pmu:
- close(pmu_fd);
-close_prog:
- error_cnt++;
-close_prog_noerr:
- bpf_object__close(obj);
-}
-
-static void test_task_fd_query_tp(void)
-{
- test_task_fd_query_tp_core("sched/sched_switch",
- "sched_switch");
- test_task_fd_query_tp_core("syscalls/sys_enter_read",
- "sys_enter_read");
-}
-
-static void test_reference_tracking()
-{
- const char *file = "./test_sk_lookup_kern.o";
- struct bpf_object *obj;
- struct bpf_program *prog;
- __u32 duration = 0;
- int err = 0;
-
- obj = bpf_object__open(file);
- if (IS_ERR(obj)) {
- error_cnt++;
- return;
- }
-
- bpf_object__for_each_program(prog, obj) {
- const char *title;
-
- /* Ignore .text sections */
- title = bpf_program__title(prog, false);
- if (strstr(title, ".text") != NULL)
- continue;
-
- bpf_program__set_type(prog, BPF_PROG_TYPE_SCHED_CLS);
+ __u32 duration, retval;
+ int err, prog_fd = *(u32 *) arg;
- /* Expect verifier failure if test name has 'fail' */
- if (strstr(title, "fail") != NULL) {
- libbpf_set_print(NULL, NULL, NULL);
- err = !bpf_program__load(prog, "GPL", 0);
- libbpf_set_print(printf, printf, NULL);
- } else {
- err = bpf_program__load(prog, "GPL", 0);
- }
- CHECK(err, title, "\n");
- }
- bpf_object__close(obj);
+ err = bpf_prog_test_run(prog_fd, 10000, &pkt_v4, sizeof(pkt_v4),
+ NULL, NULL, &retval, &duration);
+ CHECK(err || retval, "",
+ "err %d errno %d retval %d duration %d\n",
+ err, errno, retval, duration);
+ pthread_exit(arg);
}
-enum {
- QUEUE,
- STACK,
-};
+#define DECLARE
+#include <prog_tests/tests.h>
+#undef DECLARE
-static void test_queue_stack_map(int type)
-{
- const int MAP_SIZE = 32;
- __u32 vals[MAP_SIZE], duration, retval, size, val;
- int i, err, prog_fd, map_in_fd, map_out_fd;
- char file[32], buf[128];
- struct bpf_object *obj;
- struct iphdr *iph = (void *)buf + sizeof(struct ethhdr);
-
- /* Fill test values to be used */
- for (i = 0; i < MAP_SIZE; i++)
- vals[i] = rand();
-
- if (type == QUEUE)
- strncpy(file, "./test_queue_map.o", sizeof(file));
- else if (type == STACK)
- strncpy(file, "./test_stack_map.o", sizeof(file));
- else
- return;
-
- err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
- if (err) {
- error_cnt++;
- return;
- }
-
- map_in_fd = bpf_find_map(__func__, obj, "map_in");
- if (map_in_fd < 0)
- goto out;
-
- map_out_fd = bpf_find_map(__func__, obj, "map_out");
- if (map_out_fd < 0)
- goto out;
-
- /* Push 32 elements to the input map */
- for (i = 0; i < MAP_SIZE; i++) {
- err = bpf_map_update_elem(map_in_fd, NULL, &vals[i], 0);
- if (err) {
- error_cnt++;
- goto out;
- }
- }
-
- /* The eBPF program pushes iph.saddr in the output map,
- * pops the input map and saves this value in iph.daddr
- */
- for (i = 0; i < MAP_SIZE; i++) {
- if (type == QUEUE) {
- val = vals[i];
- pkt_v4.iph.saddr = vals[i] * 5;
- } else if (type == STACK) {
- val = vals[MAP_SIZE - 1 - i];
- pkt_v4.iph.saddr = vals[MAP_SIZE - 1 - i] * 5;
- }
-
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
- buf, &size, &retval, &duration);
- if (err || retval || size != sizeof(pkt_v4) ||
- iph->daddr != val)
- break;
- }
-
- CHECK(err || retval || size != sizeof(pkt_v4) || iph->daddr != val,
- "bpf_map_pop_elem",
- "err %d errno %d retval %d size %d iph->daddr %u\n",
- err, errno, retval, size, iph->daddr);
-
- /* Queue is empty, program should return TC_ACT_SHOT */
- err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
- buf, &size, &retval, &duration);
- CHECK(err || retval != 2 /* TC_ACT_SHOT */|| size != sizeof(pkt_v4),
- "check-queue-stack-map-empty",
- "err %d errno %d retval %d size %d\n",
- err, errno, retval, size);
-
- /* Check that the program pushed elements correctly */
- for (i = 0; i < MAP_SIZE; i++) {
- err = bpf_map_lookup_and_delete_elem(map_out_fd, NULL, &val);
- if (err || val != vals[i] * 5)
- break;
- }
-
- CHECK(i != MAP_SIZE && (err || val != vals[i] * 5),
- "bpf_map_push_elem", "err %d value %u\n", err, val);
-
-out:
- pkt_v4.iph.saddr = 0;
- bpf_object__close(obj);
-}
-
-int main(void)
+int main(int ac, char **av)
{
srand(time(NULL));
jit_enabled = is_jit_enabled();
- test_pkt_access();
- test_prog_run_xattr();
- test_xdp();
- test_xdp_adjust_tail();
- test_l4lb_all();
- test_xdp_noinline();
- test_tcp_estats();
- test_bpf_obj_id();
- test_pkt_md_access();
- test_obj_name();
- test_tp_attach_query();
- test_stacktrace_map();
- test_stacktrace_build_id();
- test_stacktrace_build_id_nmi();
- test_stacktrace_map_raw_tp();
- test_get_stack_raw_tp();
- test_task_fd_query_rawtp();
- test_task_fd_query_tp();
- test_reference_tracking();
- test_queue_stack_map(QUEUE);
- test_queue_stack_map(STACK);
+ if (ac == 2 && strcmp(av[1], "-s") == 0)
+ verifier_stats = true;
+
+#define CALL
+#include <prog_tests/tests.h>
+#undef CALL
printf("Summary: %d PASSED, %d FAILED\n", pass_cnt, error_cnt);
return error_cnt ? EXIT_FAILURE : EXIT_SUCCESS;
diff --git a/tools/testing/selftests/bpf/test_progs.h b/tools/testing/selftests/bpf/test_progs.h
new file mode 100644
index 000000000000..f095e1d4c657
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_progs.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <time.h>
+#include <signal.h>
+
+#include <linux/types.h>
+typedef __u16 __sum16;
+#include <arpa/inet.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/filter.h>
+#include <linux/perf_event.h>
+#include <linux/unistd.h>
+
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <linux/bpf.h>
+#include <linux/err.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "test_iptunnel_common.h"
+#include "bpf_util.h"
+#include "bpf_endian.h"
+#include "trace_helpers.h"
+#include "flow_dissector_load.h"
+
+extern int error_cnt, pass_cnt;
+extern bool jit_enabled;
+extern bool verifier_stats;
+
+#define MAGIC_BYTES 123
+
+/* ipv4 test vector */
+struct ipv4_packet {
+ struct ethhdr eth;
+ struct iphdr iph;
+ struct tcphdr tcp;
+} __packed;
+extern struct ipv4_packet pkt_v4;
+
+/* ipv6 test vector */
+struct ipv6_packet {
+ struct ethhdr eth;
+ struct ipv6hdr iph;
+ struct tcphdr tcp;
+} __packed;
+extern struct ipv6_packet pkt_v6;
+
+#define _CHECK(condition, tag, duration, format...) ({ \
+ int __ret = !!(condition); \
+ if (__ret) { \
+ error_cnt++; \
+ printf("%s:FAIL:%s ", __func__, tag); \
+ printf(format); \
+ } else { \
+ pass_cnt++; \
+ printf("%s:PASS:%s %d nsec\n", __func__, tag, duration);\
+ } \
+ __ret; \
+})
+
+#define CHECK(condition, tag, format...) \
+ _CHECK(condition, tag, duration, format)
+#define CHECK_ATTR(condition, tag, format...) \
+ _CHECK(condition, tag, tattr.duration, format)
+
+#define MAGIC_VAL 0x1234
+#define NUM_ITER 100000
+#define VIP_NUM 5
+
+static inline __u64 ptr_to_u64(const void *ptr)
+{
+ return (__u64) (unsigned long) ptr;
+}
+
+int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
+int compare_map_keys(int map1_fd, int map2_fd);
+int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
+int extract_build_id(char *build_id, size_t size);
+void *spin_lock_thread(void *arg);
diff --git a/tools/testing/selftests/bpf/test_queue_stack_map.h b/tools/testing/selftests/bpf/test_queue_stack_map.h
index 295b9b3bc5c7..0e014d3b2b36 100644
--- a/tools/testing/selftests/bpf/test_queue_stack_map.h
+++ b/tools/testing/selftests/bpf/test_queue_stack_map.h
@@ -10,21 +10,21 @@
int _version SEC("version") = 1;
-struct bpf_map_def __attribute__ ((section("maps"), used)) map_in = {
- .type = MAP_TYPE,
- .key_size = 0,
- .value_size = sizeof(__u32),
- .max_entries = 32,
- .map_flags = 0,
-};
-
-struct bpf_map_def __attribute__ ((section("maps"), used)) map_out = {
- .type = MAP_TYPE,
- .key_size = 0,
- .value_size = sizeof(__u32),
- .max_entries = 32,
- .map_flags = 0,
-};
+struct {
+ __uint(type, MAP_TYPE);
+ __uint(max_entries, 32);
+ __uint(map_flags, 0);
+ __uint(key_size, 0);
+ __uint(value_size, sizeof(__u32));
+} map_in SEC(".maps");
+
+struct {
+ __uint(type, MAP_TYPE);
+ __uint(max_entries, 32);
+ __uint(map_flags, 0);
+ __uint(key_size, 0);
+ __uint(value_size, sizeof(__u32));
+} map_out SEC(".maps");
SEC("test")
int _test(struct __sk_buff *skb)
diff --git a/tools/testing/selftests/bpf/test_section_names.c b/tools/testing/selftests/bpf/test_section_names.c
index 7c4f41572b1c..29833aeaf0de 100644
--- a/tools/testing/selftests/bpf/test_section_names.c
+++ b/tools/testing/selftests/bpf/test_section_names.c
@@ -119,6 +119,31 @@ static struct sec_name_test tests[] = {
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP6_SENDMSG},
{0, BPF_CGROUP_UDP6_SENDMSG},
},
+ {
+ "cgroup/recvmsg4",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_RECVMSG},
+ {0, BPF_CGROUP_UDP4_RECVMSG},
+ },
+ {
+ "cgroup/recvmsg6",
+ {0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP6_RECVMSG},
+ {0, BPF_CGROUP_UDP6_RECVMSG},
+ },
+ {
+ "cgroup/sysctl",
+ {0, BPF_PROG_TYPE_CGROUP_SYSCTL, BPF_CGROUP_SYSCTL},
+ {0, BPF_CGROUP_SYSCTL},
+ },
+ {
+ "cgroup/getsockopt",
+ {0, BPF_PROG_TYPE_CGROUP_SOCKOPT, BPF_CGROUP_GETSOCKOPT},
+ {0, BPF_CGROUP_GETSOCKOPT},
+ },
+ {
+ "cgroup/setsockopt",
+ {0, BPF_PROG_TYPE_CGROUP_SOCKOPT, BPF_CGROUP_SETSOCKOPT},
+ {0, BPF_CGROUP_SETSOCKOPT},
+ },
};
static int test_prog_type_by_name(const struct sec_name_test *test)
diff --git a/tools/testing/selftests/bpf/test_select_reuseport.c b/tools/testing/selftests/bpf/test_select_reuseport.c
index 75646d9b34aa..7566c13eb51a 100644
--- a/tools/testing/selftests/bpf/test_select_reuseport.c
+++ b/tools/testing/selftests/bpf/test_select_reuseport.c
@@ -523,6 +523,58 @@ static void test_pass_on_err(int type, sa_family_t family)
printf("OK\n");
}
+static void test_detach_bpf(int type, sa_family_t family)
+{
+#ifdef SO_DETACH_REUSEPORT_BPF
+ __u32 nr_run_before = 0, nr_run_after = 0, tmp, i;
+ struct epoll_event ev;
+ int cli_fd, err, nev;
+ struct cmd cmd = {};
+ int optvalue = 0;
+
+ printf("%s: ", __func__);
+ err = setsockopt(sk_fds[0], SOL_SOCKET, SO_DETACH_REUSEPORT_BPF,
+ &optvalue, sizeof(optvalue));
+ CHECK(err == -1, "setsockopt(SO_DETACH_REUSEPORT_BPF)",
+ "err:%d errno:%d\n", err, errno);
+
+ err = setsockopt(sk_fds[1], SOL_SOCKET, SO_DETACH_REUSEPORT_BPF,
+ &optvalue, sizeof(optvalue));
+ CHECK(err == 0 || errno != ENOENT, "setsockopt(SO_DETACH_REUSEPORT_BPF)",
+ "err:%d errno:%d\n", err, errno);
+
+ for (i = 0; i < NR_RESULTS; i++) {
+ err = bpf_map_lookup_elem(result_map, &i, &tmp);
+ CHECK(err == -1, "lookup_elem(result_map)",
+ "i:%u err:%d errno:%d\n", i, err, errno);
+ nr_run_before += tmp;
+ }
+
+ cli_fd = send_data(type, family, &cmd, sizeof(cmd), PASS);
+ nev = epoll_wait(epfd, &ev, 1, 5);
+ CHECK(nev <= 0, "nev <= 0",
+ "nev:%d expected:1 type:%d family:%d data:(0, 0)\n",
+ nev, type, family);
+
+ for (i = 0; i < NR_RESULTS; i++) {
+ err = bpf_map_lookup_elem(result_map, &i, &tmp);
+ CHECK(err == -1, "lookup_elem(result_map)",
+ "i:%u err:%d errno:%d\n", i, err, errno);
+ nr_run_after += tmp;
+ }
+
+ CHECK(nr_run_before != nr_run_after,
+ "nr_run_before != nr_run_after",
+ "nr_run_before:%u nr_run_after:%u\n",
+ nr_run_before, nr_run_after);
+
+ printf("OK\n");
+ close(cli_fd);
+#else
+ printf("%s: SKIP\n", __func__);
+#endif
+}
+
static void prepare_sk_fds(int type, sa_family_t family, bool inany)
{
const int first = REUSEPORT_ARRAY_SIZE - 1;
@@ -664,6 +716,8 @@ static void test_all(void)
test_pass(type, family);
test_syncookie(type, family);
test_pass_on_err(type, family);
+ /* Must be the last test */
+ test_detach_bpf(type, family);
cleanup_per_test();
printf("\n");
diff --git a/tools/testing/selftests/bpf/test_sock.c b/tools/testing/selftests/bpf/test_sock.c
index 561ffb6d6433..fb679ac3d4b0 100644
--- a/tools/testing/selftests/bpf/test_sock.c
+++ b/tools/testing/selftests/bpf/test_sock.c
@@ -20,6 +20,7 @@
#define MAX_INSNS 512
char bpf_log_buf[BPF_LOG_BUF_SIZE];
+static bool verbose = false;
struct sock_test {
const char *descr;
@@ -325,6 +326,7 @@ static int load_sock_prog(const struct bpf_insn *prog,
enum bpf_attach_type attach_type)
{
struct bpf_load_program_attr attr;
+ int ret;
memset(&attr, 0, sizeof(struct bpf_load_program_attr));
attr.prog_type = BPF_PROG_TYPE_CGROUP_SOCK;
@@ -332,8 +334,13 @@ static int load_sock_prog(const struct bpf_insn *prog,
attr.insns = prog;
attr.insns_cnt = probe_prog_length(attr.insns);
attr.license = "GPL";
+ attr.log_level = 2;
- return bpf_load_program_xattr(&attr, bpf_log_buf, BPF_LOG_BUF_SIZE);
+ ret = bpf_load_program_xattr(&attr, bpf_log_buf, BPF_LOG_BUF_SIZE);
+ if (verbose && ret < 0)
+ fprintf(stderr, "%s\n", bpf_log_buf);
+
+ return ret;
}
static int attach_sock_prog(int cgfd, int progfd,
diff --git a/tools/testing/selftests/bpf/test_sock_addr.c b/tools/testing/selftests/bpf/test_sock_addr.c
index 3f110eaaf29c..61fd95b89af8 100644
--- a/tools/testing/selftests/bpf/test_sock_addr.c
+++ b/tools/testing/selftests/bpf/test_sock_addr.c
@@ -76,6 +76,7 @@ struct sock_addr_test {
enum {
LOAD_REJECT,
ATTACH_REJECT,
+ ATTACH_OKAY,
SYSCALL_EPERM,
SYSCALL_ENOTSUPP,
SUCCESS,
@@ -88,9 +89,13 @@ static int connect4_prog_load(const struct sock_addr_test *test);
static int connect6_prog_load(const struct sock_addr_test *test);
static int sendmsg_allow_prog_load(const struct sock_addr_test *test);
static int sendmsg_deny_prog_load(const struct sock_addr_test *test);
+static int recvmsg_allow_prog_load(const struct sock_addr_test *test);
+static int recvmsg_deny_prog_load(const struct sock_addr_test *test);
static int sendmsg4_rw_asm_prog_load(const struct sock_addr_test *test);
+static int recvmsg4_rw_asm_prog_load(const struct sock_addr_test *test);
static int sendmsg4_rw_c_prog_load(const struct sock_addr_test *test);
static int sendmsg6_rw_asm_prog_load(const struct sock_addr_test *test);
+static int recvmsg6_rw_asm_prog_load(const struct sock_addr_test *test);
static int sendmsg6_rw_c_prog_load(const struct sock_addr_test *test);
static int sendmsg6_rw_v4mapped_prog_load(const struct sock_addr_test *test);
static int sendmsg6_rw_wildcard_prog_load(const struct sock_addr_test *test);
@@ -507,6 +512,92 @@ static struct sock_addr_test tests[] = {
SRC6_REWRITE_IP,
SYSCALL_EPERM,
},
+
+ /* recvmsg */
+ {
+ "recvmsg4: return code ok",
+ recvmsg_allow_prog_load,
+ BPF_CGROUP_UDP4_RECVMSG,
+ BPF_CGROUP_UDP4_RECVMSG,
+ AF_INET,
+ SOCK_DGRAM,
+ NULL,
+ 0,
+ NULL,
+ 0,
+ NULL,
+ ATTACH_OKAY,
+ },
+ {
+ "recvmsg4: return code !ok",
+ recvmsg_deny_prog_load,
+ BPF_CGROUP_UDP4_RECVMSG,
+ BPF_CGROUP_UDP4_RECVMSG,
+ AF_INET,
+ SOCK_DGRAM,
+ NULL,
+ 0,
+ NULL,
+ 0,
+ NULL,
+ LOAD_REJECT,
+ },
+ {
+ "recvmsg6: return code ok",
+ recvmsg_allow_prog_load,
+ BPF_CGROUP_UDP6_RECVMSG,
+ BPF_CGROUP_UDP6_RECVMSG,
+ AF_INET6,
+ SOCK_DGRAM,
+ NULL,
+ 0,
+ NULL,
+ 0,
+ NULL,
+ ATTACH_OKAY,
+ },
+ {
+ "recvmsg6: return code !ok",
+ recvmsg_deny_prog_load,
+ BPF_CGROUP_UDP6_RECVMSG,
+ BPF_CGROUP_UDP6_RECVMSG,
+ AF_INET6,
+ SOCK_DGRAM,
+ NULL,
+ 0,
+ NULL,
+ 0,
+ NULL,
+ LOAD_REJECT,
+ },
+ {
+ "recvmsg4: rewrite IP & port (asm)",
+ recvmsg4_rw_asm_prog_load,
+ BPF_CGROUP_UDP4_RECVMSG,
+ BPF_CGROUP_UDP4_RECVMSG,
+ AF_INET,
+ SOCK_DGRAM,
+ SERV4_REWRITE_IP,
+ SERV4_REWRITE_PORT,
+ SERV4_REWRITE_IP,
+ SERV4_REWRITE_PORT,
+ SERV4_IP,
+ SUCCESS,
+ },
+ {
+ "recvmsg6: rewrite IP & port (asm)",
+ recvmsg6_rw_asm_prog_load,
+ BPF_CGROUP_UDP6_RECVMSG,
+ BPF_CGROUP_UDP6_RECVMSG,
+ AF_INET6,
+ SOCK_DGRAM,
+ SERV6_REWRITE_IP,
+ SERV6_REWRITE_PORT,
+ SERV6_REWRITE_IP,
+ SERV6_REWRITE_PORT,
+ SERV6_IP,
+ SUCCESS,
+ },
};
static int mk_sockaddr(int domain, const char *ip, unsigned short port,
@@ -745,6 +836,7 @@ static int load_path(const struct sock_addr_test *test, const char *path)
attr.file = path;
attr.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR;
attr.expected_attach_type = test->expected_attach_type;
+ attr.prog_flags = BPF_F_TEST_RND_HI32;
if (bpf_prog_load_xattr(&attr, &obj, &prog_fd)) {
if (test->expected_result != LOAD_REJECT)
@@ -765,8 +857,8 @@ static int connect6_prog_load(const struct sock_addr_test *test)
return load_path(test, CONNECT6_PROG_PATH);
}
-static int sendmsg_ret_only_prog_load(const struct sock_addr_test *test,
- int32_t rc)
+static int xmsg_ret_only_prog_load(const struct sock_addr_test *test,
+ int32_t rc)
{
struct bpf_insn insns[] = {
/* return rc */
@@ -778,12 +870,22 @@ static int sendmsg_ret_only_prog_load(const struct sock_addr_test *test,
static int sendmsg_allow_prog_load(const struct sock_addr_test *test)
{
- return sendmsg_ret_only_prog_load(test, /*rc*/ 1);
+ return xmsg_ret_only_prog_load(test, /*rc*/ 1);
}
static int sendmsg_deny_prog_load(const struct sock_addr_test *test)
{
- return sendmsg_ret_only_prog_load(test, /*rc*/ 0);
+ return xmsg_ret_only_prog_load(test, /*rc*/ 0);
+}
+
+static int recvmsg_allow_prog_load(const struct sock_addr_test *test)
+{
+ return xmsg_ret_only_prog_load(test, /*rc*/ 1);
+}
+
+static int recvmsg_deny_prog_load(const struct sock_addr_test *test)
+{
+ return xmsg_ret_only_prog_load(test, /*rc*/ 0);
}
static int sendmsg4_rw_asm_prog_load(const struct sock_addr_test *test)
@@ -838,6 +940,47 @@ static int sendmsg4_rw_asm_prog_load(const struct sock_addr_test *test)
return load_insns(test, insns, sizeof(insns) / sizeof(struct bpf_insn));
}
+static int recvmsg4_rw_asm_prog_load(const struct sock_addr_test *test)
+{
+ struct sockaddr_in src4_rw_addr;
+
+ if (mk_sockaddr(AF_INET, SERV4_IP, SERV4_PORT,
+ (struct sockaddr *)&src4_rw_addr,
+ sizeof(src4_rw_addr)) == -1)
+ return -1;
+
+ struct bpf_insn insns[] = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+
+ /* if (sk.family == AF_INET && */
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+ offsetof(struct bpf_sock_addr, family)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, AF_INET, 6),
+
+ /* sk.type == SOCK_DGRAM) { */
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+ offsetof(struct bpf_sock_addr, type)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, SOCK_DGRAM, 4),
+
+ /* user_ip4 = src4_rw_addr.sin_addr */
+ BPF_MOV32_IMM(BPF_REG_7, src4_rw_addr.sin_addr.s_addr),
+ BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_7,
+ offsetof(struct bpf_sock_addr, user_ip4)),
+
+ /* user_port = src4_rw_addr.sin_port */
+ BPF_MOV32_IMM(BPF_REG_7, src4_rw_addr.sin_port),
+ BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_7,
+ offsetof(struct bpf_sock_addr, user_port)),
+ /* } */
+
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ };
+
+ return load_insns(test, insns, sizeof(insns) / sizeof(struct bpf_insn));
+}
+
static int sendmsg4_rw_c_prog_load(const struct sock_addr_test *test)
{
return load_path(test, SENDMSG4_PROG_PATH);
@@ -901,6 +1044,39 @@ static int sendmsg6_rw_asm_prog_load(const struct sock_addr_test *test)
return sendmsg6_rw_dst_asm_prog_load(test, SERV6_REWRITE_IP);
}
+static int recvmsg6_rw_asm_prog_load(const struct sock_addr_test *test)
+{
+ struct sockaddr_in6 src6_rw_addr;
+
+ if (mk_sockaddr(AF_INET6, SERV6_IP, SERV6_PORT,
+ (struct sockaddr *)&src6_rw_addr,
+ sizeof(src6_rw_addr)) == -1)
+ return -1;
+
+ struct bpf_insn insns[] = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+
+ /* if (sk.family == AF_INET6) { */
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+ offsetof(struct bpf_sock_addr, family)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, AF_INET6, 10),
+
+ STORE_IPV6(user_ip6, src6_rw_addr.sin6_addr.s6_addr32),
+
+ /* user_port = dst6_rw_addr.sin6_port */
+ BPF_MOV32_IMM(BPF_REG_7, src6_rw_addr.sin6_port),
+ BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_7,
+ offsetof(struct bpf_sock_addr, user_port)),
+ /* } */
+
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ };
+
+ return load_insns(test, insns, sizeof(insns) / sizeof(struct bpf_insn));
+}
+
static int sendmsg6_rw_v4mapped_prog_load(const struct sock_addr_test *test)
{
return sendmsg6_rw_dst_asm_prog_load(test, SERV6_V4MAPPED_IP);
@@ -1282,13 +1458,13 @@ out:
return err;
}
-static int run_sendmsg_test_case(const struct sock_addr_test *test)
+static int run_xmsg_test_case(const struct sock_addr_test *test, int max_cmsg)
{
socklen_t addr_len = sizeof(struct sockaddr_storage);
- struct sockaddr_storage expected_src_addr;
- struct sockaddr_storage requested_addr;
struct sockaddr_storage expected_addr;
- struct sockaddr_storage real_src_addr;
+ struct sockaddr_storage server_addr;
+ struct sockaddr_storage sendmsg_addr;
+ struct sockaddr_storage recvmsg_addr;
int clientfd = -1;
int servfd = -1;
int set_cmsg;
@@ -1297,20 +1473,19 @@ static int run_sendmsg_test_case(const struct sock_addr_test *test)
if (test->type != SOCK_DGRAM)
goto err;
- if (init_addrs(test, &requested_addr, &expected_addr,
- &expected_src_addr))
+ if (init_addrs(test, &sendmsg_addr, &server_addr, &expected_addr))
goto err;
/* Prepare server to sendmsg to */
- servfd = start_server(test->type, &expected_addr, addr_len);
+ servfd = start_server(test->type, &server_addr, addr_len);
if (servfd == -1)
goto err;
- for (set_cmsg = 0; set_cmsg <= 1; ++set_cmsg) {
+ for (set_cmsg = 0; set_cmsg <= max_cmsg; ++set_cmsg) {
if (clientfd >= 0)
close(clientfd);
- clientfd = sendmsg_to_server(test->type, &requested_addr,
+ clientfd = sendmsg_to_server(test->type, &sendmsg_addr,
addr_len, set_cmsg, /*flags*/0,
&err);
if (err)
@@ -1330,10 +1505,10 @@ static int run_sendmsg_test_case(const struct sock_addr_test *test)
* specific packet may differ from the one used by default and
* returned by getsockname(2).
*/
- if (recvmsg_from_client(servfd, &real_src_addr) == -1)
+ if (recvmsg_from_client(servfd, &recvmsg_addr) == -1)
goto err;
- if (cmp_addr(&real_src_addr, &expected_src_addr, /*cmp_port*/0))
+ if (cmp_addr(&recvmsg_addr, &expected_addr, /*cmp_port*/0))
goto err;
}
@@ -1366,6 +1541,9 @@ static int run_test_case(int cgfd, const struct sock_addr_test *test)
goto out;
} else if (test->expected_result == ATTACH_REJECT || err) {
goto err;
+ } else if (test->expected_result == ATTACH_OKAY) {
+ err = 0;
+ goto out;
}
switch (test->attach_type) {
@@ -1379,7 +1557,11 @@ static int run_test_case(int cgfd, const struct sock_addr_test *test)
break;
case BPF_CGROUP_UDP4_SENDMSG:
case BPF_CGROUP_UDP6_SENDMSG:
- err = run_sendmsg_test_case(test);
+ err = run_xmsg_test_case(test, 1);
+ break;
+ case BPF_CGROUP_UDP4_RECVMSG:
+ case BPF_CGROUP_UDP6_RECVMSG:
+ err = run_xmsg_test_case(test, 0);
break;
default:
goto err;
diff --git a/tools/testing/selftests/bpf/test_sock_fields.c b/tools/testing/selftests/bpf/test_sock_fields.c
new file mode 100644
index 000000000000..f0fc103261a4
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sock_fields.c
@@ -0,0 +1,490 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <sys/socket.h>
+#include <sys/epoll.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "cgroup_helpers.h"
+#include "bpf_rlimit.h"
+
+enum bpf_addr_array_idx {
+ ADDR_SRV_IDX,
+ ADDR_CLI_IDX,
+ __NR_BPF_ADDR_ARRAY_IDX,
+};
+
+enum bpf_result_array_idx {
+ EGRESS_SRV_IDX,
+ EGRESS_CLI_IDX,
+ INGRESS_LISTEN_IDX,
+ __NR_BPF_RESULT_ARRAY_IDX,
+};
+
+enum bpf_linum_array_idx {
+ EGRESS_LINUM_IDX,
+ INGRESS_LINUM_IDX,
+ __NR_BPF_LINUM_ARRAY_IDX,
+};
+
+struct bpf_spinlock_cnt {
+ struct bpf_spin_lock lock;
+ __u32 cnt;
+};
+
+#define CHECK(condition, tag, format...) ({ \
+ int __ret = !!(condition); \
+ if (__ret) { \
+ printf("%s(%d):FAIL:%s ", __func__, __LINE__, tag); \
+ printf(format); \
+ printf("\n"); \
+ exit(-1); \
+ } \
+})
+
+#define TEST_CGROUP "/test-bpf-sock-fields"
+#define DATA "Hello BPF!"
+#define DATA_LEN sizeof(DATA)
+
+static struct sockaddr_in6 srv_sa6, cli_sa6;
+static int sk_pkt_out_cnt10_fd;
+static int sk_pkt_out_cnt_fd;
+static int linum_map_fd;
+static int addr_map_fd;
+static int tp_map_fd;
+static int sk_map_fd;
+
+static __u32 addr_srv_idx = ADDR_SRV_IDX;
+static __u32 addr_cli_idx = ADDR_CLI_IDX;
+
+static __u32 egress_srv_idx = EGRESS_SRV_IDX;
+static __u32 egress_cli_idx = EGRESS_CLI_IDX;
+static __u32 ingress_listen_idx = INGRESS_LISTEN_IDX;
+
+static __u32 egress_linum_idx = EGRESS_LINUM_IDX;
+static __u32 ingress_linum_idx = INGRESS_LINUM_IDX;
+
+static void init_loopback6(struct sockaddr_in6 *sa6)
+{
+ memset(sa6, 0, sizeof(*sa6));
+ sa6->sin6_family = AF_INET6;
+ sa6->sin6_addr = in6addr_loopback;
+}
+
+static void print_sk(const struct bpf_sock *sk)
+{
+ char src_ip4[24], dst_ip4[24];
+ char src_ip6[64], dst_ip6[64];
+
+ inet_ntop(AF_INET, &sk->src_ip4, src_ip4, sizeof(src_ip4));
+ inet_ntop(AF_INET6, &sk->src_ip6, src_ip6, sizeof(src_ip6));
+ inet_ntop(AF_INET, &sk->dst_ip4, dst_ip4, sizeof(dst_ip4));
+ inet_ntop(AF_INET6, &sk->dst_ip6, dst_ip6, sizeof(dst_ip6));
+
+ printf("state:%u bound_dev_if:%u family:%u type:%u protocol:%u mark:%u priority:%u "
+ "src_ip4:%x(%s) src_ip6:%x:%x:%x:%x(%s) src_port:%u "
+ "dst_ip4:%x(%s) dst_ip6:%x:%x:%x:%x(%s) dst_port:%u\n",
+ sk->state, sk->bound_dev_if, sk->family, sk->type, sk->protocol,
+ sk->mark, sk->priority,
+ sk->src_ip4, src_ip4,
+ sk->src_ip6[0], sk->src_ip6[1], sk->src_ip6[2], sk->src_ip6[3],
+ src_ip6, sk->src_port,
+ sk->dst_ip4, dst_ip4,
+ sk->dst_ip6[0], sk->dst_ip6[1], sk->dst_ip6[2], sk->dst_ip6[3],
+ dst_ip6, ntohs(sk->dst_port));
+}
+
+static void print_tp(const struct bpf_tcp_sock *tp)
+{
+ printf("snd_cwnd:%u srtt_us:%u rtt_min:%u snd_ssthresh:%u rcv_nxt:%u "
+ "snd_nxt:%u snd:una:%u mss_cache:%u ecn_flags:%u "
+ "rate_delivered:%u rate_interval_us:%u packets_out:%u "
+ "retrans_out:%u total_retrans:%u segs_in:%u data_segs_in:%u "
+ "segs_out:%u data_segs_out:%u lost_out:%u sacked_out:%u "
+ "bytes_received:%llu bytes_acked:%llu\n",
+ tp->snd_cwnd, tp->srtt_us, tp->rtt_min, tp->snd_ssthresh,
+ tp->rcv_nxt, tp->snd_nxt, tp->snd_una, tp->mss_cache,
+ tp->ecn_flags, tp->rate_delivered, tp->rate_interval_us,
+ tp->packets_out, tp->retrans_out, tp->total_retrans,
+ tp->segs_in, tp->data_segs_in, tp->segs_out,
+ tp->data_segs_out, tp->lost_out, tp->sacked_out,
+ tp->bytes_received, tp->bytes_acked);
+}
+
+static void check_result(void)
+{
+ struct bpf_tcp_sock srv_tp, cli_tp, listen_tp;
+ struct bpf_sock srv_sk, cli_sk, listen_sk;
+ __u32 ingress_linum, egress_linum;
+ int err;
+
+ err = bpf_map_lookup_elem(linum_map_fd, &egress_linum_idx,
+ &egress_linum);
+ CHECK(err == -1, "bpf_map_lookup_elem(linum_map_fd)",
+ "err:%d errno:%d", err, errno);
+
+ err = bpf_map_lookup_elem(linum_map_fd, &ingress_linum_idx,
+ &ingress_linum);
+ CHECK(err == -1, "bpf_map_lookup_elem(linum_map_fd)",
+ "err:%d errno:%d", err, errno);
+
+ err = bpf_map_lookup_elem(sk_map_fd, &egress_srv_idx, &srv_sk);
+ CHECK(err == -1, "bpf_map_lookup_elem(sk_map_fd, &egress_srv_idx)",
+ "err:%d errno:%d", err, errno);
+ err = bpf_map_lookup_elem(tp_map_fd, &egress_srv_idx, &srv_tp);
+ CHECK(err == -1, "bpf_map_lookup_elem(tp_map_fd, &egress_srv_idx)",
+ "err:%d errno:%d", err, errno);
+
+ err = bpf_map_lookup_elem(sk_map_fd, &egress_cli_idx, &cli_sk);
+ CHECK(err == -1, "bpf_map_lookup_elem(sk_map_fd, &egress_cli_idx)",
+ "err:%d errno:%d", err, errno);
+ err = bpf_map_lookup_elem(tp_map_fd, &egress_cli_idx, &cli_tp);
+ CHECK(err == -1, "bpf_map_lookup_elem(tp_map_fd, &egress_cli_idx)",
+ "err:%d errno:%d", err, errno);
+
+ err = bpf_map_lookup_elem(sk_map_fd, &ingress_listen_idx, &listen_sk);
+ CHECK(err == -1, "bpf_map_lookup_elem(sk_map_fd, &ingress_listen_idx)",
+ "err:%d errno:%d", err, errno);
+ err = bpf_map_lookup_elem(tp_map_fd, &ingress_listen_idx, &listen_tp);
+ CHECK(err == -1, "bpf_map_lookup_elem(tp_map_fd, &ingress_listen_idx)",
+ "err:%d errno:%d", err, errno);
+
+ printf("listen_sk: ");
+ print_sk(&listen_sk);
+ printf("\n");
+
+ printf("srv_sk: ");
+ print_sk(&srv_sk);
+ printf("\n");
+
+ printf("cli_sk: ");
+ print_sk(&cli_sk);
+ printf("\n");
+
+ printf("listen_tp: ");
+ print_tp(&listen_tp);
+ printf("\n");
+
+ printf("srv_tp: ");
+ print_tp(&srv_tp);
+ printf("\n");
+
+ printf("cli_tp: ");
+ print_tp(&cli_tp);
+ printf("\n");
+
+ CHECK(listen_sk.state != 10 ||
+ listen_sk.family != AF_INET6 ||
+ listen_sk.protocol != IPPROTO_TCP ||
+ memcmp(listen_sk.src_ip6, &in6addr_loopback,
+ sizeof(listen_sk.src_ip6)) ||
+ listen_sk.dst_ip6[0] || listen_sk.dst_ip6[1] ||
+ listen_sk.dst_ip6[2] || listen_sk.dst_ip6[3] ||
+ listen_sk.src_port != ntohs(srv_sa6.sin6_port) ||
+ listen_sk.dst_port,
+ "Unexpected listen_sk",
+ "Check listen_sk output. ingress_linum:%u",
+ ingress_linum);
+
+ CHECK(srv_sk.state == 10 ||
+ !srv_sk.state ||
+ srv_sk.family != AF_INET6 ||
+ srv_sk.protocol != IPPROTO_TCP ||
+ memcmp(srv_sk.src_ip6, &in6addr_loopback,
+ sizeof(srv_sk.src_ip6)) ||
+ memcmp(srv_sk.dst_ip6, &in6addr_loopback,
+ sizeof(srv_sk.dst_ip6)) ||
+ srv_sk.src_port != ntohs(srv_sa6.sin6_port) ||
+ srv_sk.dst_port != cli_sa6.sin6_port,
+ "Unexpected srv_sk", "Check srv_sk output. egress_linum:%u",
+ egress_linum);
+
+ CHECK(cli_sk.state == 10 ||
+ !cli_sk.state ||
+ cli_sk.family != AF_INET6 ||
+ cli_sk.protocol != IPPROTO_TCP ||
+ memcmp(cli_sk.src_ip6, &in6addr_loopback,
+ sizeof(cli_sk.src_ip6)) ||
+ memcmp(cli_sk.dst_ip6, &in6addr_loopback,
+ sizeof(cli_sk.dst_ip6)) ||
+ cli_sk.src_port != ntohs(cli_sa6.sin6_port) ||
+ cli_sk.dst_port != srv_sa6.sin6_port,
+ "Unexpected cli_sk", "Check cli_sk output. egress_linum:%u",
+ egress_linum);
+
+ CHECK(listen_tp.data_segs_out ||
+ listen_tp.data_segs_in ||
+ listen_tp.total_retrans ||
+ listen_tp.bytes_acked,
+ "Unexpected listen_tp", "Check listen_tp output. ingress_linum:%u",
+ ingress_linum);
+
+ CHECK(srv_tp.data_segs_out != 2 ||
+ srv_tp.data_segs_in ||
+ srv_tp.snd_cwnd != 10 ||
+ srv_tp.total_retrans ||
+ srv_tp.bytes_acked != 2 * DATA_LEN,
+ "Unexpected srv_tp", "Check srv_tp output. egress_linum:%u",
+ egress_linum);
+
+ CHECK(cli_tp.data_segs_out ||
+ cli_tp.data_segs_in != 2 ||
+ cli_tp.snd_cwnd != 10 ||
+ cli_tp.total_retrans ||
+ cli_tp.bytes_received != 2 * DATA_LEN,
+ "Unexpected cli_tp", "Check cli_tp output. egress_linum:%u",
+ egress_linum);
+}
+
+static void check_sk_pkt_out_cnt(int accept_fd, int cli_fd)
+{
+ struct bpf_spinlock_cnt pkt_out_cnt = {}, pkt_out_cnt10 = {};
+ int err;
+
+ pkt_out_cnt.cnt = ~0;
+ pkt_out_cnt10.cnt = ~0;
+ err = bpf_map_lookup_elem(sk_pkt_out_cnt_fd, &accept_fd, &pkt_out_cnt);
+ if (!err)
+ err = bpf_map_lookup_elem(sk_pkt_out_cnt10_fd, &accept_fd,
+ &pkt_out_cnt10);
+
+ /* The bpf prog only counts for fullsock and
+ * passive conneciton did not become fullsock until 3WHS
+ * had been finished.
+ * The bpf prog only counted two data packet out but we
+ * specially init accept_fd's pkt_out_cnt by 2 in
+ * init_sk_storage(). Hence, 4 here.
+ */
+ CHECK(err || pkt_out_cnt.cnt != 4 || pkt_out_cnt10.cnt != 40,
+ "bpf_map_lookup_elem(sk_pkt_out_cnt, &accept_fd)",
+ "err:%d errno:%d pkt_out_cnt:%u pkt_out_cnt10:%u",
+ err, errno, pkt_out_cnt.cnt, pkt_out_cnt10.cnt);
+
+ pkt_out_cnt.cnt = ~0;
+ pkt_out_cnt10.cnt = ~0;
+ err = bpf_map_lookup_elem(sk_pkt_out_cnt_fd, &cli_fd, &pkt_out_cnt);
+ if (!err)
+ err = bpf_map_lookup_elem(sk_pkt_out_cnt10_fd, &cli_fd,
+ &pkt_out_cnt10);
+ /* Active connection is fullsock from the beginning.
+ * 1 SYN and 1 ACK during 3WHS
+ * 2 Acks on data packet.
+ *
+ * The bpf_prog initialized it to 0xeB9F.
+ */
+ CHECK(err || pkt_out_cnt.cnt != 0xeB9F + 4 ||
+ pkt_out_cnt10.cnt != 0xeB9F + 40,
+ "bpf_map_lookup_elem(sk_pkt_out_cnt, &cli_fd)",
+ "err:%d errno:%d pkt_out_cnt:%u pkt_out_cnt10:%u",
+ err, errno, pkt_out_cnt.cnt, pkt_out_cnt10.cnt);
+}
+
+static void init_sk_storage(int sk_fd, __u32 pkt_out_cnt)
+{
+ struct bpf_spinlock_cnt scnt = {};
+ int err;
+
+ scnt.cnt = pkt_out_cnt;
+ err = bpf_map_update_elem(sk_pkt_out_cnt_fd, &sk_fd, &scnt,
+ BPF_NOEXIST);
+ CHECK(err, "bpf_map_update_elem(sk_pkt_out_cnt_fd)",
+ "err:%d errno:%d", err, errno);
+
+ scnt.cnt *= 10;
+ err = bpf_map_update_elem(sk_pkt_out_cnt10_fd, &sk_fd, &scnt,
+ BPF_NOEXIST);
+ CHECK(err, "bpf_map_update_elem(sk_pkt_out_cnt10_fd)",
+ "err:%d errno:%d", err, errno);
+}
+
+static void test(void)
+{
+ int listen_fd, cli_fd, accept_fd, epfd, err;
+ struct epoll_event ev;
+ socklen_t addrlen;
+ int i;
+
+ addrlen = sizeof(struct sockaddr_in6);
+ ev.events = EPOLLIN;
+
+ epfd = epoll_create(1);
+ CHECK(epfd == -1, "epoll_create()", "epfd:%d errno:%d", epfd, errno);
+
+ /* Prepare listen_fd */
+ listen_fd = socket(AF_INET6, SOCK_STREAM | SOCK_NONBLOCK, 0);
+ CHECK(listen_fd == -1, "socket()", "listen_fd:%d errno:%d",
+ listen_fd, errno);
+
+ init_loopback6(&srv_sa6);
+ err = bind(listen_fd, (struct sockaddr *)&srv_sa6, sizeof(srv_sa6));
+ CHECK(err, "bind(listen_fd)", "err:%d errno:%d", err, errno);
+
+ err = getsockname(listen_fd, (struct sockaddr *)&srv_sa6, &addrlen);
+ CHECK(err, "getsockname(listen_fd)", "err:%d errno:%d", err, errno);
+
+ err = listen(listen_fd, 1);
+ CHECK(err, "listen(listen_fd)", "err:%d errno:%d", err, errno);
+
+ /* Prepare cli_fd */
+ cli_fd = socket(AF_INET6, SOCK_STREAM | SOCK_NONBLOCK, 0);
+ CHECK(cli_fd == -1, "socket()", "cli_fd:%d errno:%d", cli_fd, errno);
+
+ init_loopback6(&cli_sa6);
+ err = bind(cli_fd, (struct sockaddr *)&cli_sa6, sizeof(cli_sa6));
+ CHECK(err, "bind(cli_fd)", "err:%d errno:%d", err, errno);
+
+ err = getsockname(cli_fd, (struct sockaddr *)&cli_sa6, &addrlen);
+ CHECK(err, "getsockname(cli_fd)", "err:%d errno:%d",
+ err, errno);
+
+ /* Update addr_map with srv_sa6 and cli_sa6 */
+ err = bpf_map_update_elem(addr_map_fd, &addr_srv_idx, &srv_sa6, 0);
+ CHECK(err, "map_update", "err:%d errno:%d", err, errno);
+
+ err = bpf_map_update_elem(addr_map_fd, &addr_cli_idx, &cli_sa6, 0);
+ CHECK(err, "map_update", "err:%d errno:%d", err, errno);
+
+ /* Connect from cli_sa6 to srv_sa6 */
+ err = connect(cli_fd, (struct sockaddr *)&srv_sa6, addrlen);
+ printf("srv_sa6.sin6_port:%u cli_sa6.sin6_port:%u\n\n",
+ ntohs(srv_sa6.sin6_port), ntohs(cli_sa6.sin6_port));
+ CHECK(err && errno != EINPROGRESS,
+ "connect(cli_fd)", "err:%d errno:%d", err, errno);
+
+ ev.data.fd = listen_fd;
+ err = epoll_ctl(epfd, EPOLL_CTL_ADD, listen_fd, &ev);
+ CHECK(err, "epoll_ctl(EPOLL_CTL_ADD, listen_fd)", "err:%d errno:%d",
+ err, errno);
+
+ /* Accept the connection */
+ /* Have some timeout in accept(listen_fd). Just in case. */
+ err = epoll_wait(epfd, &ev, 1, 1000);
+ CHECK(err != 1 || ev.data.fd != listen_fd,
+ "epoll_wait(listen_fd)",
+ "err:%d errno:%d ev.data.fd:%d listen_fd:%d",
+ err, errno, ev.data.fd, listen_fd);
+
+ accept_fd = accept(listen_fd, NULL, NULL);
+ CHECK(accept_fd == -1, "accept(listen_fd)", "accept_fd:%d errno:%d",
+ accept_fd, errno);
+ close(listen_fd);
+
+ ev.data.fd = cli_fd;
+ err = epoll_ctl(epfd, EPOLL_CTL_ADD, cli_fd, &ev);
+ CHECK(err, "epoll_ctl(EPOLL_CTL_ADD, cli_fd)", "err:%d errno:%d",
+ err, errno);
+
+ init_sk_storage(accept_fd, 2);
+
+ for (i = 0; i < 2; i++) {
+ /* Send some data from accept_fd to cli_fd */
+ err = send(accept_fd, DATA, DATA_LEN, 0);
+ CHECK(err != DATA_LEN, "send(accept_fd)", "err:%d errno:%d",
+ err, errno);
+
+ /* Have some timeout in recv(cli_fd). Just in case. */
+ err = epoll_wait(epfd, &ev, 1, 1000);
+ CHECK(err != 1 || ev.data.fd != cli_fd,
+ "epoll_wait(cli_fd)", "err:%d errno:%d ev.data.fd:%d cli_fd:%d",
+ err, errno, ev.data.fd, cli_fd);
+
+ err = recv(cli_fd, NULL, 0, MSG_TRUNC);
+ CHECK(err, "recv(cli_fd)", "err:%d errno:%d", err, errno);
+ }
+
+ check_sk_pkt_out_cnt(accept_fd, cli_fd);
+
+ close(epfd);
+ close(accept_fd);
+ close(cli_fd);
+
+ check_result();
+}
+
+int main(int argc, char **argv)
+{
+ struct bpf_prog_load_attr attr = {
+ .file = "test_sock_fields_kern.o",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .prog_flags = BPF_F_TEST_RND_HI32,
+ };
+ int cgroup_fd, egress_fd, ingress_fd, err;
+ struct bpf_program *ingress_prog;
+ struct bpf_object *obj;
+ struct bpf_map *map;
+
+ err = setup_cgroup_environment();
+ CHECK(err, "setup_cgroup_environment()", "err:%d errno:%d",
+ err, errno);
+
+ atexit(cleanup_cgroup_environment);
+
+ /* Create a cgroup, get fd, and join it */
+ cgroup_fd = create_and_get_cgroup(TEST_CGROUP);
+ CHECK(cgroup_fd == -1, "create_and_get_cgroup()",
+ "cgroup_fd:%d errno:%d", cgroup_fd, errno);
+
+ err = join_cgroup(TEST_CGROUP);
+ CHECK(err, "join_cgroup", "err:%d errno:%d", err, errno);
+
+ err = bpf_prog_load_xattr(&attr, &obj, &egress_fd);
+ CHECK(err, "bpf_prog_load_xattr()", "err:%d", err);
+
+ ingress_prog = bpf_object__find_program_by_title(obj,
+ "cgroup_skb/ingress");
+ CHECK(!ingress_prog,
+ "bpf_object__find_program_by_title(cgroup_skb/ingress)",
+ "not found");
+ ingress_fd = bpf_program__fd(ingress_prog);
+
+ err = bpf_prog_attach(egress_fd, cgroup_fd, BPF_CGROUP_INET_EGRESS, 0);
+ CHECK(err == -1, "bpf_prog_attach(CPF_CGROUP_INET_EGRESS)",
+ "err:%d errno%d", err, errno);
+
+ err = bpf_prog_attach(ingress_fd, cgroup_fd,
+ BPF_CGROUP_INET_INGRESS, 0);
+ CHECK(err == -1, "bpf_prog_attach(CPF_CGROUP_INET_INGRESS)",
+ "err:%d errno%d", err, errno);
+ close(cgroup_fd);
+
+ map = bpf_object__find_map_by_name(obj, "addr_map");
+ CHECK(!map, "cannot find addr_map", "(null)");
+ addr_map_fd = bpf_map__fd(map);
+
+ map = bpf_object__find_map_by_name(obj, "sock_result_map");
+ CHECK(!map, "cannot find sock_result_map", "(null)");
+ sk_map_fd = bpf_map__fd(map);
+
+ map = bpf_object__find_map_by_name(obj, "tcp_sock_result_map");
+ CHECK(!map, "cannot find tcp_sock_result_map", "(null)");
+ tp_map_fd = bpf_map__fd(map);
+
+ map = bpf_object__find_map_by_name(obj, "linum_map");
+ CHECK(!map, "cannot find linum_map", "(null)");
+ linum_map_fd = bpf_map__fd(map);
+
+ map = bpf_object__find_map_by_name(obj, "sk_pkt_out_cnt");
+ CHECK(!map, "cannot find sk_pkt_out_cnt", "(null)");
+ sk_pkt_out_cnt_fd = bpf_map__fd(map);
+
+ map = bpf_object__find_map_by_name(obj, "sk_pkt_out_cnt10");
+ CHECK(!map, "cannot find sk_pkt_out_cnt10", "(null)");
+ sk_pkt_out_cnt10_fd = bpf_map__fd(map);
+
+ test();
+
+ bpf_object__close(obj);
+ cleanup_cgroup_environment();
+
+ printf("PASS\n");
+
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/test_socket_cookie.c b/tools/testing/selftests/bpf/test_socket_cookie.c
index fc7832ee566b..15653b0e26eb 100644
--- a/tools/testing/selftests/bpf/test_socket_cookie.c
+++ b/tools/testing/selftests/bpf/test_socket_cookie.c
@@ -18,6 +18,11 @@
#define CG_PATH "/foo"
#define SOCKET_COOKIE_PROG "./socket_cookie_prog.o"
+struct socket_cookie {
+ __u64 cookie_key;
+ __u32 cookie_value;
+};
+
static int start_server(void)
{
struct sockaddr_in6 addr;
@@ -89,8 +94,7 @@ static int validate_map(struct bpf_map *map, int client_fd)
__u32 cookie_expected_value;
struct sockaddr_in6 addr;
socklen_t len = sizeof(addr);
- __u32 cookie_value;
- __u64 cookie_key;
+ struct socket_cookie val;
int err = 0;
int map_fd;
@@ -101,17 +105,7 @@ static int validate_map(struct bpf_map *map, int client_fd)
map_fd = bpf_map__fd(map);
- err = bpf_map_get_next_key(map_fd, NULL, &cookie_key);
- if (err) {
- log_err("Can't get cookie key from map");
- goto out;
- }
-
- err = bpf_map_lookup_elem(map_fd, &cookie_key, &cookie_value);
- if (err) {
- log_err("Can't get cookie value from map");
- goto out;
- }
+ err = bpf_map_lookup_elem(map_fd, &client_fd, &val);
err = getsockname(client_fd, (struct sockaddr *)&addr, &len);
if (err) {
@@ -120,8 +114,8 @@ static int validate_map(struct bpf_map *map, int client_fd)
}
cookie_expected_value = (ntohs(addr.sin6_port) << 8) | 0xFF;
- if (cookie_value != cookie_expected_value) {
- log_err("Unexpected value in map: %x != %x", cookie_value,
+ if (val.cookie_value != cookie_expected_value) {
+ log_err("Unexpected value in map: %x != %x", val.cookie_value,
cookie_expected_value);
goto err;
}
@@ -148,6 +142,7 @@ static int run_test(int cgfd)
memset(&attr, 0, sizeof(attr));
attr.file = SOCKET_COOKIE_PROG;
attr.prog_type = BPF_PROG_TYPE_UNSPEC;
+ attr.prog_flags = BPF_F_TEST_RND_HI32;
err = bpf_prog_load_xattr(&attr, &pobj, &prog_fd);
if (err) {
@@ -158,10 +153,8 @@ static int run_test(int cgfd)
bpf_object__for_each_program(prog, pobj) {
prog_name = bpf_program__title(prog, /*needs_copy*/ false);
- if (libbpf_attach_type_by_name(prog_name, &attach_type)) {
- log_err("Unexpected prog: %s", prog_name);
+ if (libbpf_attach_type_by_name(prog_name, &attach_type))
goto err;
- }
err = bpf_prog_attach(bpf_program__fd(prog), cgfd, attach_type,
BPF_F_ALLOW_OVERRIDE);
diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index e85a771f607b..3845144e2c91 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -10,7 +10,6 @@
#include <unistd.h>
#include <string.h>
#include <errno.h>
-#include <sys/ioctl.h>
#include <stdbool.h>
#include <signal.h>
#include <fcntl.h>
diff --git a/tools/testing/selftests/bpf/test_sockmap_kern.h b/tools/testing/selftests/bpf/test_sockmap_kern.h
index e7639f66a941..d008b41b7d8d 100644
--- a/tools/testing/selftests/bpf/test_sockmap_kern.h
+++ b/tools/testing/selftests/bpf/test_sockmap_kern.h
@@ -28,68 +28,61 @@
* are established and verdicts are decided.
*/
-#define bpf_printk(fmt, ...) \
-({ \
- char ____fmt[] = fmt; \
- bpf_trace_printk(____fmt, sizeof(____fmt), \
- ##__VA_ARGS__); \
-})
-
-struct bpf_map_def SEC("maps") sock_map = {
- .type = TEST_MAP_TYPE,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 20,
-};
-
-struct bpf_map_def SEC("maps") sock_map_txmsg = {
- .type = TEST_MAP_TYPE,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 20,
-};
-
-struct bpf_map_def SEC("maps") sock_map_redir = {
- .type = TEST_MAP_TYPE,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 20,
-};
-
-struct bpf_map_def SEC("maps") sock_apply_bytes = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 1
-};
-
-struct bpf_map_def SEC("maps") sock_cork_bytes = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 1
-};
-
-struct bpf_map_def SEC("maps") sock_bytes = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 6
-};
-
-struct bpf_map_def SEC("maps") sock_redir_flags = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 1
-};
-
-struct bpf_map_def SEC("maps") sock_skb_opts = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 1
-};
+struct {
+ __uint(type, TEST_MAP_TYPE);
+ __uint(max_entries, 20);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} sock_map SEC(".maps");
+
+struct {
+ __uint(type, TEST_MAP_TYPE);
+ __uint(max_entries, 20);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} sock_map_txmsg SEC(".maps");
+
+struct {
+ __uint(type, TEST_MAP_TYPE);
+ __uint(max_entries, 20);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} sock_map_redir SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, int);
+} sock_apply_bytes SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, int);
+} sock_cork_bytes SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 6);
+ __type(key, int);
+ __type(value, int);
+} sock_bytes SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, int);
+} sock_redir_flags SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, int);
+} sock_skb_opts SEC(".maps");
SEC("sk_skb1")
int bpf_prog1(struct __sk_buff *skb)
diff --git a/tools/testing/selftests/bpf/test_sockopt.c b/tools/testing/selftests/bpf/test_sockopt.c
new file mode 100644
index 000000000000..23bd0819382d
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sockopt.c
@@ -0,0 +1,1021 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include <linux/filter.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_rlimit.h"
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+
+#define CG_PATH "/sockopt"
+
+static char bpf_log_buf[4096];
+static bool verbose;
+
+enum sockopt_test_error {
+ OK = 0,
+ DENY_LOAD,
+ DENY_ATTACH,
+ EPERM_GETSOCKOPT,
+ EFAULT_GETSOCKOPT,
+ EPERM_SETSOCKOPT,
+ EFAULT_SETSOCKOPT,
+};
+
+static struct sockopt_test {
+ const char *descr;
+ const struct bpf_insn insns[64];
+ enum bpf_attach_type attach_type;
+ enum bpf_attach_type expected_attach_type;
+
+ int set_optname;
+ int set_level;
+ const char set_optval[64];
+ socklen_t set_optlen;
+
+ int get_optname;
+ int get_level;
+ const char get_optval[64];
+ socklen_t get_optlen;
+ socklen_t get_optlen_ret;
+
+ enum sockopt_test_error error;
+} tests[] = {
+
+ /* ==================== getsockopt ==================== */
+
+ {
+ .descr = "getsockopt: no expected_attach_type",
+ .insns = {
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = 0,
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "getsockopt: wrong expected_attach_type",
+ .insns = {
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+ .error = DENY_ATTACH,
+ },
+ {
+ .descr = "getsockopt: bypass bpf hook",
+ .insns = {
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .set_level = SOL_IP,
+
+ .get_optname = IP_TOS,
+ .set_optname = IP_TOS,
+
+ .set_optval = { 1 << 3 },
+ .set_optlen = 1,
+
+ .get_optval = { 1 << 3 },
+ .get_optlen = 1,
+ },
+ {
+ .descr = "getsockopt: return EPERM from bpf hook",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .get_optname = IP_TOS,
+
+ .get_optlen = 1,
+ .error = EPERM_GETSOCKOPT,
+ },
+ {
+ .descr = "getsockopt: no optval bounds check, deny loading",
+ .insns = {
+ /* r6 = ctx->optval */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval)),
+
+ /* ctx->optval[0] = 0x80 */
+ BPF_MOV64_IMM(BPF_REG_0, 0x80),
+ BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_0, 0),
+
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "getsockopt: read ctx->level",
+ .insns = {
+ /* r6 = ctx->level */
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, level)),
+
+ /* if (ctx->level == 123) { */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 123, 4),
+ /* ctx->retval = 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, retval)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+ /* } else { */
+ /* return 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ /* } */
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_level = 123,
+
+ .get_optlen = 1,
+ },
+ {
+ .descr = "getsockopt: deny writing to ctx->level",
+ .insns = {
+ /* ctx->level = 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, level)),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "getsockopt: read ctx->optname",
+ .insns = {
+ /* r6 = ctx->optname */
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optname)),
+
+ /* if (ctx->optname == 123) { */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 123, 4),
+ /* ctx->retval = 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, retval)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+ /* } else { */
+ /* return 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ /* } */
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_optname = 123,
+
+ .get_optlen = 1,
+ },
+ {
+ .descr = "getsockopt: read ctx->retval",
+ .insns = {
+ /* r6 = ctx->retval */
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, retval)),
+
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .get_optname = IP_TOS,
+ .get_optlen = 1,
+ },
+ {
+ .descr = "getsockopt: deny writing to ctx->optname",
+ .insns = {
+ /* ctx->optname = 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optname)),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "getsockopt: read ctx->optlen",
+ .insns = {
+ /* r6 = ctx->optlen */
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optlen)),
+
+ /* if (ctx->optlen == 64) { */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 64, 4),
+ /* ctx->retval = 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, retval)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+ /* } else { */
+ /* return 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ /* } */
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_optlen = 64,
+ },
+ {
+ .descr = "getsockopt: deny bigger ctx->optlen",
+ .insns = {
+ /* ctx->optlen = 65 */
+ BPF_MOV64_IMM(BPF_REG_0, 65),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optlen)),
+
+ /* ctx->retval = 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, retval)),
+
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_optlen = 64,
+
+ .error = EFAULT_GETSOCKOPT,
+ },
+ {
+ .descr = "getsockopt: deny arbitrary ctx->retval",
+ .insns = {
+ /* ctx->retval = 123 */
+ BPF_MOV64_IMM(BPF_REG_0, 123),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, retval)),
+
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_optlen = 64,
+
+ .error = EFAULT_GETSOCKOPT,
+ },
+ {
+ .descr = "getsockopt: support smaller ctx->optlen",
+ .insns = {
+ /* ctx->optlen = 32 */
+ BPF_MOV64_IMM(BPF_REG_0, 32),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optlen)),
+ /* ctx->retval = 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, retval)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_optlen = 64,
+ .get_optlen_ret = 32,
+ },
+ {
+ .descr = "getsockopt: deny writing to ctx->optval",
+ .insns = {
+ /* ctx->optval = 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optval)),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "getsockopt: deny writing to ctx->optval_end",
+ .insns = {
+ /* ctx->optval_end = 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optval_end)),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "getsockopt: rewrite value",
+ .insns = {
+ /* r6 = ctx->optval */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval)),
+ /* r2 = ctx->optval */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+ /* r6 = ctx->optval + 1 */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+
+ /* r7 = ctx->optval_end */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval_end)),
+
+ /* if (ctx->optval + 1 <= ctx->optval_end) { */
+ BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_7, 1),
+ /* ctx->optval[0] = 0xF0 */
+ BPF_ST_MEM(BPF_B, BPF_REG_2, 0, 0xF0),
+ /* } */
+
+ /* ctx->retval = 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, retval)),
+
+ /* return 1*/
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_GETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .get_optname = IP_TOS,
+
+ .get_optval = { 0xF0 },
+ .get_optlen = 1,
+ },
+
+ /* ==================== setsockopt ==================== */
+
+ {
+ .descr = "setsockopt: no expected_attach_type",
+ .insns = {
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = 0,
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "setsockopt: wrong expected_attach_type",
+ .insns = {
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+ .error = DENY_ATTACH,
+ },
+ {
+ .descr = "setsockopt: bypass bpf hook",
+ .insns = {
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .set_level = SOL_IP,
+
+ .get_optname = IP_TOS,
+ .set_optname = IP_TOS,
+
+ .set_optval = { 1 << 3 },
+ .set_optlen = 1,
+
+ .get_optval = { 1 << 3 },
+ .get_optlen = 1,
+ },
+ {
+ .descr = "setsockopt: return EPERM from bpf hook",
+ .insns = {
+ /* return 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .set_level = SOL_IP,
+ .set_optname = IP_TOS,
+
+ .set_optlen = 1,
+ .error = EPERM_SETSOCKOPT,
+ },
+ {
+ .descr = "setsockopt: no optval bounds check, deny loading",
+ .insns = {
+ /* r6 = ctx->optval */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval)),
+
+ /* r0 = ctx->optval[0] */
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "setsockopt: read ctx->level",
+ .insns = {
+ /* r6 = ctx->level */
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, level)),
+
+ /* if (ctx->level == 123) { */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 123, 4),
+ /* ctx->optlen = -1 */
+ BPF_MOV64_IMM(BPF_REG_0, -1),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optlen)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+ /* } else { */
+ /* return 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ /* } */
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .set_level = 123,
+
+ .set_optlen = 1,
+ },
+ {
+ .descr = "setsockopt: allow changing ctx->level",
+ .insns = {
+ /* ctx->level = SOL_IP */
+ BPF_MOV64_IMM(BPF_REG_0, SOL_IP),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, level)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .set_level = 234, /* should be rewritten to SOL_IP */
+
+ .get_optname = IP_TOS,
+ .set_optname = IP_TOS,
+
+ .set_optval = { 1 << 3 },
+ .set_optlen = 1,
+ .get_optval = { 1 << 3 },
+ .get_optlen = 1,
+ },
+ {
+ .descr = "setsockopt: read ctx->optname",
+ .insns = {
+ /* r6 = ctx->optname */
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optname)),
+
+ /* if (ctx->optname == 123) { */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 123, 4),
+ /* ctx->optlen = -1 */
+ BPF_MOV64_IMM(BPF_REG_0, -1),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optlen)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+ /* } else { */
+ /* return 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ /* } */
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .set_optname = 123,
+
+ .set_optlen = 1,
+ },
+ {
+ .descr = "setsockopt: allow changing ctx->optname",
+ .insns = {
+ /* ctx->optname = IP_TOS */
+ BPF_MOV64_IMM(BPF_REG_0, IP_TOS),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optname)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .set_level = SOL_IP,
+
+ .get_optname = IP_TOS,
+ .set_optname = 456, /* should be rewritten to IP_TOS */
+
+ .set_optval = { 1 << 3 },
+ .set_optlen = 1,
+ .get_optval = { 1 << 3 },
+ .get_optlen = 1,
+ },
+ {
+ .descr = "setsockopt: read ctx->optlen",
+ .insns = {
+ /* r6 = ctx->optlen */
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optlen)),
+
+ /* if (ctx->optlen == 64) { */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 64, 4),
+ /* ctx->optlen = -1 */
+ BPF_MOV64_IMM(BPF_REG_0, -1),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optlen)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+ /* } else { */
+ /* return 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ /* } */
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .set_optlen = 64,
+ },
+ {
+ .descr = "setsockopt: ctx->optlen == -1 is ok",
+ .insns = {
+ /* ctx->optlen = -1 */
+ BPF_MOV64_IMM(BPF_REG_0, -1),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optlen)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .set_optlen = 64,
+ },
+ {
+ .descr = "setsockopt: deny ctx->optlen < 0 (except -1)",
+ .insns = {
+ /* ctx->optlen = -2 */
+ BPF_MOV64_IMM(BPF_REG_0, -2),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optlen)),
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .set_optlen = 4,
+
+ .error = EFAULT_SETSOCKOPT,
+ },
+ {
+ .descr = "setsockopt: deny ctx->optlen > input optlen",
+ .insns = {
+ /* ctx->optlen = 65 */
+ BPF_MOV64_IMM(BPF_REG_0, 65),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optlen)),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .set_optlen = 64,
+
+ .error = EFAULT_SETSOCKOPT,
+ },
+ {
+ .descr = "setsockopt: allow changing ctx->optlen within bounds",
+ .insns = {
+ /* r6 = ctx->optval */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval)),
+ /* r2 = ctx->optval */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+ /* r6 = ctx->optval + 1 */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+
+ /* r7 = ctx->optval_end */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval_end)),
+
+ /* if (ctx->optval + 1 <= ctx->optval_end) { */
+ BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_7, 1),
+ /* ctx->optval[0] = 1 << 3 */
+ BPF_ST_MEM(BPF_B, BPF_REG_2, 0, 1 << 3),
+ /* } */
+
+ /* ctx->optlen = 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optlen)),
+
+ /* return 1*/
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .set_level = SOL_IP,
+
+ .get_optname = IP_TOS,
+ .set_optname = IP_TOS,
+
+ .set_optval = { 1, 1, 1, 1 },
+ .set_optlen = 4,
+ .get_optval = { 1 << 3 },
+ .get_optlen = 1,
+ },
+ {
+ .descr = "setsockopt: deny write ctx->retval",
+ .insns = {
+ /* ctx->retval = 0 */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, retval)),
+
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "setsockopt: deny read ctx->retval",
+ .insns = {
+ /* r6 = ctx->retval */
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, retval)),
+
+ /* return 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "setsockopt: deny writing to ctx->optval",
+ .insns = {
+ /* ctx->optval = 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optval)),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "setsockopt: deny writing to ctx->optval_end",
+ .insns = {
+ /* ctx->optval_end = 1 */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sockopt, optval_end)),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .error = DENY_LOAD,
+ },
+ {
+ .descr = "setsockopt: allow IP_TOS <= 128",
+ .insns = {
+ /* r6 = ctx->optval */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval)),
+ /* r7 = ctx->optval + 1 */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 1),
+
+ /* r8 = ctx->optval_end */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_8, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval_end)),
+
+ /* if (ctx->optval + 1 <= ctx->optval_end) { */
+ BPF_JMP_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 4),
+
+ /* r9 = ctx->optval[0] */
+ BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_6, 0),
+
+ /* if (ctx->optval[0] < 128) */
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_9, 128, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+ /* } */
+
+ /* } else { */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ /* } */
+
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .set_level = SOL_IP,
+
+ .get_optname = IP_TOS,
+ .set_optname = IP_TOS,
+
+ .set_optval = { 0x80 },
+ .set_optlen = 1,
+ .get_optval = { 0x80 },
+ .get_optlen = 1,
+ },
+ {
+ .descr = "setsockopt: deny IP_TOS > 128",
+ .insns = {
+ /* r6 = ctx->optval */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval)),
+ /* r7 = ctx->optval + 1 */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 1),
+
+ /* r8 = ctx->optval_end */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_8, BPF_REG_1,
+ offsetof(struct bpf_sockopt, optval_end)),
+
+ /* if (ctx->optval + 1 <= ctx->optval_end) { */
+ BPF_JMP_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 4),
+
+ /* r9 = ctx->optval[0] */
+ BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_6, 0),
+
+ /* if (ctx->optval[0] < 128) */
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_9, 128, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+ /* } */
+
+ /* } else { */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ /* } */
+
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SETSOCKOPT,
+ .expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+ .get_level = SOL_IP,
+ .set_level = SOL_IP,
+
+ .get_optname = IP_TOS,
+ .set_optname = IP_TOS,
+
+ .set_optval = { 0x81 },
+ .set_optlen = 1,
+ .get_optval = { 0x00 },
+ .get_optlen = 1,
+
+ .error = EPERM_SETSOCKOPT,
+ },
+};
+
+static int load_prog(const struct bpf_insn *insns,
+ enum bpf_attach_type expected_attach_type)
+{
+ struct bpf_load_program_attr attr = {
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCKOPT,
+ .expected_attach_type = expected_attach_type,
+ .insns = insns,
+ .license = "GPL",
+ .log_level = 2,
+ };
+ int fd;
+
+ for (;
+ insns[attr.insns_cnt].code != (BPF_JMP | BPF_EXIT);
+ attr.insns_cnt++) {
+ }
+ attr.insns_cnt++;
+
+ fd = bpf_load_program_xattr(&attr, bpf_log_buf, sizeof(bpf_log_buf));
+ if (verbose && fd < 0)
+ fprintf(stderr, "%s\n", bpf_log_buf);
+
+ return fd;
+}
+
+static int run_test(int cgroup_fd, struct sockopt_test *test)
+{
+ int sock_fd, err, prog_fd;
+ void *optval = NULL;
+ int ret = 0;
+
+ prog_fd = load_prog(test->insns, test->expected_attach_type);
+ if (prog_fd < 0) {
+ if (test->error == DENY_LOAD)
+ return 0;
+
+ log_err("Failed to load BPF program");
+ return -1;
+ }
+
+ err = bpf_prog_attach(prog_fd, cgroup_fd, test->attach_type, 0);
+ if (err < 0) {
+ if (test->error == DENY_ATTACH)
+ goto close_prog_fd;
+
+ log_err("Failed to attach BPF program");
+ ret = -1;
+ goto close_prog_fd;
+ }
+
+ sock_fd = socket(AF_INET, SOCK_STREAM, 0);
+ if (sock_fd < 0) {
+ log_err("Failed to create AF_INET socket");
+ ret = -1;
+ goto detach_prog;
+ }
+
+ if (test->set_optlen) {
+ err = setsockopt(sock_fd, test->set_level, test->set_optname,
+ test->set_optval, test->set_optlen);
+ if (err) {
+ if (errno == EPERM && test->error == EPERM_SETSOCKOPT)
+ goto close_sock_fd;
+ if (errno == EFAULT && test->error == EFAULT_SETSOCKOPT)
+ goto free_optval;
+
+ log_err("Failed to call setsockopt");
+ ret = -1;
+ goto close_sock_fd;
+ }
+ }
+
+ if (test->get_optlen) {
+ optval = malloc(test->get_optlen);
+ socklen_t optlen = test->get_optlen;
+ socklen_t expected_get_optlen = test->get_optlen_ret ?:
+ test->get_optlen;
+
+ err = getsockopt(sock_fd, test->get_level, test->get_optname,
+ optval, &optlen);
+ if (err) {
+ if (errno == EPERM && test->error == EPERM_GETSOCKOPT)
+ goto free_optval;
+ if (errno == EFAULT && test->error == EFAULT_GETSOCKOPT)
+ goto free_optval;
+
+ log_err("Failed to call getsockopt");
+ ret = -1;
+ goto free_optval;
+ }
+
+ if (optlen != expected_get_optlen) {
+ errno = 0;
+ log_err("getsockopt returned unexpected optlen");
+ ret = -1;
+ goto free_optval;
+ }
+
+ if (memcmp(optval, test->get_optval, optlen) != 0) {
+ errno = 0;
+ log_err("getsockopt returned unexpected optval");
+ ret = -1;
+ goto free_optval;
+ }
+ }
+
+ ret = test->error != OK;
+
+free_optval:
+ free(optval);
+close_sock_fd:
+ close(sock_fd);
+detach_prog:
+ bpf_prog_detach2(prog_fd, cgroup_fd, test->attach_type);
+close_prog_fd:
+ close(prog_fd);
+ return ret;
+}
+
+int main(int args, char **argv)
+{
+ int err = EXIT_FAILURE, error_cnt = 0;
+ int cgroup_fd, i;
+
+ if (setup_cgroup_environment())
+ goto cleanup_obj;
+
+ cgroup_fd = create_and_get_cgroup(CG_PATH);
+ if (cgroup_fd < 0)
+ goto cleanup_cgroup_env;
+
+ if (join_cgroup(CG_PATH))
+ goto cleanup_cgroup;
+
+ for (i = 0; i < ARRAY_SIZE(tests); i++) {
+ int err = run_test(cgroup_fd, &tests[i]);
+
+ if (err)
+ error_cnt++;
+
+ printf("#%d %s: %s\n", i, err ? "FAIL" : "PASS",
+ tests[i].descr);
+ }
+
+ printf("Summary: %ld PASSED, %d FAILED\n",
+ ARRAY_SIZE(tests) - error_cnt, error_cnt);
+ err = error_cnt ? EXIT_FAILURE : EXIT_SUCCESS;
+
+cleanup_cgroup:
+ close(cgroup_fd);
+cleanup_cgroup_env:
+ cleanup_cgroup_environment();
+cleanup_obj:
+ return err;
+}
diff --git a/tools/testing/selftests/bpf/test_sockopt_multi.c b/tools/testing/selftests/bpf/test_sockopt_multi.c
new file mode 100644
index 000000000000..4be3441db867
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sockopt_multi.c
@@ -0,0 +1,374 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <error.h>
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include <linux/filter.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_rlimit.h"
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+
+static int prog_attach(struct bpf_object *obj, int cgroup_fd, const char *title)
+{
+ enum bpf_attach_type attach_type;
+ enum bpf_prog_type prog_type;
+ struct bpf_program *prog;
+ int err;
+
+ err = libbpf_prog_type_by_name(title, &prog_type, &attach_type);
+ if (err) {
+ log_err("Failed to deduct types for %s BPF program", title);
+ return -1;
+ }
+
+ prog = bpf_object__find_program_by_title(obj, title);
+ if (!prog) {
+ log_err("Failed to find %s BPF program", title);
+ return -1;
+ }
+
+ err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd,
+ attach_type, BPF_F_ALLOW_MULTI);
+ if (err) {
+ log_err("Failed to attach %s BPF program", title);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int prog_detach(struct bpf_object *obj, int cgroup_fd, const char *title)
+{
+ enum bpf_attach_type attach_type;
+ enum bpf_prog_type prog_type;
+ struct bpf_program *prog;
+ int err;
+
+ err = libbpf_prog_type_by_name(title, &prog_type, &attach_type);
+ if (err)
+ return -1;
+
+ prog = bpf_object__find_program_by_title(obj, title);
+ if (!prog)
+ return -1;
+
+ err = bpf_prog_detach2(bpf_program__fd(prog), cgroup_fd,
+ attach_type);
+ if (err)
+ return -1;
+
+ return 0;
+}
+
+static int run_getsockopt_test(struct bpf_object *obj, int cg_parent,
+ int cg_child, int sock_fd)
+{
+ socklen_t optlen;
+ __u8 buf;
+ int err;
+
+ /* Set IP_TOS to the expected value (0x80). */
+
+ buf = 0x80;
+ err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+ if (err < 0) {
+ log_err("Failed to call setsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ buf = 0x00;
+ optlen = 1;
+ err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ if (buf != 0x80) {
+ log_err("Unexpected getsockopt 0x%x != 0x80 without BPF", buf);
+ err = -1;
+ goto detach;
+ }
+
+ /* Attach child program and make sure it returns new value:
+ * - kernel: -> 0x80
+ * - child: 0x80 -> 0x90
+ */
+
+ err = prog_attach(obj, cg_child, "cgroup/getsockopt/child");
+ if (err)
+ goto detach;
+
+ buf = 0x00;
+ optlen = 1;
+ err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ if (buf != 0x90) {
+ log_err("Unexpected getsockopt 0x%x != 0x90", buf);
+ err = -1;
+ goto detach;
+ }
+
+ /* Attach parent program and make sure it returns new value:
+ * - kernel: -> 0x80
+ * - child: 0x80 -> 0x90
+ * - parent: 0x90 -> 0xA0
+ */
+
+ err = prog_attach(obj, cg_parent, "cgroup/getsockopt/parent");
+ if (err)
+ goto detach;
+
+ buf = 0x00;
+ optlen = 1;
+ err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ if (buf != 0xA0) {
+ log_err("Unexpected getsockopt 0x%x != 0xA0", buf);
+ err = -1;
+ goto detach;
+ }
+
+ /* Setting unexpected initial sockopt should return EPERM:
+ * - kernel: -> 0x40
+ * - child: unexpected 0x40, EPERM
+ * - parent: unexpected 0x40, EPERM
+ */
+
+ buf = 0x40;
+ if (setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1) < 0) {
+ log_err("Failed to call setsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ buf = 0x00;
+ optlen = 1;
+ err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (!err) {
+ log_err("Unexpected success from getsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ /* Detach child program and make sure we still get EPERM:
+ * - kernel: -> 0x40
+ * - parent: unexpected 0x40, EPERM
+ */
+
+ err = prog_detach(obj, cg_child, "cgroup/getsockopt/child");
+ if (err) {
+ log_err("Failed to detach child program");
+ goto detach;
+ }
+
+ buf = 0x00;
+ optlen = 1;
+ err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (!err) {
+ log_err("Unexpected success from getsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ /* Set initial value to the one the parent program expects:
+ * - kernel: -> 0x90
+ * - parent: 0x90 -> 0xA0
+ */
+
+ buf = 0x90;
+ err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+ if (err < 0) {
+ log_err("Failed to call setsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ buf = 0x00;
+ optlen = 1;
+ err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ if (buf != 0xA0) {
+ log_err("Unexpected getsockopt 0x%x != 0xA0", buf);
+ err = -1;
+ goto detach;
+ }
+
+detach:
+ prog_detach(obj, cg_child, "cgroup/getsockopt/child");
+ prog_detach(obj, cg_parent, "cgroup/getsockopt/parent");
+
+ return err;
+}
+
+static int run_setsockopt_test(struct bpf_object *obj, int cg_parent,
+ int cg_child, int sock_fd)
+{
+ socklen_t optlen;
+ __u8 buf;
+ int err;
+
+ /* Set IP_TOS to the expected value (0x80). */
+
+ buf = 0x80;
+ err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+ if (err < 0) {
+ log_err("Failed to call setsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ buf = 0x00;
+ optlen = 1;
+ err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ if (buf != 0x80) {
+ log_err("Unexpected getsockopt 0x%x != 0x80 without BPF", buf);
+ err = -1;
+ goto detach;
+ }
+
+ /* Attach child program and make sure it adds 0x10. */
+
+ err = prog_attach(obj, cg_child, "cgroup/setsockopt");
+ if (err)
+ goto detach;
+
+ buf = 0x80;
+ err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+ if (err < 0) {
+ log_err("Failed to call setsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ buf = 0x00;
+ optlen = 1;
+ err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ if (buf != 0x80 + 0x10) {
+ log_err("Unexpected getsockopt 0x%x != 0x80 + 0x10", buf);
+ err = -1;
+ goto detach;
+ }
+
+ /* Attach parent program and make sure it adds another 0x10. */
+
+ err = prog_attach(obj, cg_parent, "cgroup/setsockopt");
+ if (err)
+ goto detach;
+
+ buf = 0x80;
+ err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+ if (err < 0) {
+ log_err("Failed to call setsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ buf = 0x00;
+ optlen = 1;
+ err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt(IP_TOS)");
+ goto detach;
+ }
+
+ if (buf != 0x80 + 2 * 0x10) {
+ log_err("Unexpected getsockopt 0x%x != 0x80 + 2 * 0x10", buf);
+ err = -1;
+ goto detach;
+ }
+
+detach:
+ prog_detach(obj, cg_child, "cgroup/setsockopt");
+ prog_detach(obj, cg_parent, "cgroup/setsockopt");
+
+ return err;
+}
+
+int main(int argc, char **argv)
+{
+ struct bpf_prog_load_attr attr = {
+ .file = "./sockopt_multi.o",
+ };
+ int cg_parent = -1, cg_child = -1;
+ struct bpf_object *obj = NULL;
+ int sock_fd = -1;
+ int err = -1;
+ int ignored;
+
+ if (setup_cgroup_environment()) {
+ log_err("Failed to setup cgroup environment\n");
+ goto out;
+ }
+
+ cg_parent = create_and_get_cgroup("/parent");
+ if (cg_parent < 0) {
+ log_err("Failed to create cgroup /parent\n");
+ goto out;
+ }
+
+ cg_child = create_and_get_cgroup("/parent/child");
+ if (cg_child < 0) {
+ log_err("Failed to create cgroup /parent/child\n");
+ goto out;
+ }
+
+ if (join_cgroup("/parent/child")) {
+ log_err("Failed to join cgroup /parent/child\n");
+ goto out;
+ }
+
+ err = bpf_prog_load_xattr(&attr, &obj, &ignored);
+ if (err) {
+ log_err("Failed to load BPF object");
+ goto out;
+ }
+
+ sock_fd = socket(AF_INET, SOCK_STREAM, 0);
+ if (sock_fd < 0) {
+ log_err("Failed to create socket");
+ goto out;
+ }
+
+ if (run_getsockopt_test(obj, cg_parent, cg_child, sock_fd))
+ err = -1;
+ printf("test_sockopt_multi: getsockopt %s\n",
+ err ? "FAILED" : "PASSED");
+
+ if (run_setsockopt_test(obj, cg_parent, cg_child, sock_fd))
+ err = -1;
+ printf("test_sockopt_multi: setsockopt %s\n",
+ err ? "FAILED" : "PASSED");
+
+out:
+ close(sock_fd);
+ bpf_object__close(obj);
+ close(cg_child);
+ close(cg_parent);
+
+ printf("test_sockopt_multi: %s\n", err ? "FAILED" : "PASSED");
+ return err ? EXIT_FAILURE : EXIT_SUCCESS;
+}
diff --git a/tools/testing/selftests/bpf/test_sockopt_sk.c b/tools/testing/selftests/bpf/test_sockopt_sk.c
new file mode 100644
index 000000000000..036b652e5ca9
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sockopt_sk.c
@@ -0,0 +1,211 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include <linux/filter.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_rlimit.h"
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+
+#define CG_PATH "/sockopt"
+
+#define SOL_CUSTOM 0xdeadbeef
+
+static int getsetsockopt(void)
+{
+ int fd, err;
+ union {
+ char u8[4];
+ __u32 u32;
+ } buf = {};
+ socklen_t optlen;
+
+ fd = socket(AF_INET, SOCK_STREAM, 0);
+ if (fd < 0) {
+ log_err("Failed to create socket");
+ return -1;
+ }
+
+ /* IP_TOS - BPF bypass */
+
+ buf.u8[0] = 0x08;
+ err = setsockopt(fd, SOL_IP, IP_TOS, &buf, 1);
+ if (err) {
+ log_err("Failed to call setsockopt(IP_TOS)");
+ goto err;
+ }
+
+ buf.u8[0] = 0x00;
+ optlen = 1;
+ err = getsockopt(fd, SOL_IP, IP_TOS, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt(IP_TOS)");
+ goto err;
+ }
+
+ if (buf.u8[0] != 0x08) {
+ log_err("Unexpected getsockopt(IP_TOS) buf[0] 0x%02x != 0x08",
+ buf.u8[0]);
+ goto err;
+ }
+
+ /* IP_TTL - EPERM */
+
+ buf.u8[0] = 1;
+ err = setsockopt(fd, SOL_IP, IP_TTL, &buf, 1);
+ if (!err || errno != EPERM) {
+ log_err("Unexpected success from setsockopt(IP_TTL)");
+ goto err;
+ }
+
+ /* SOL_CUSTOM - handled by BPF */
+
+ buf.u8[0] = 0x01;
+ err = setsockopt(fd, SOL_CUSTOM, 0, &buf, 1);
+ if (err) {
+ log_err("Failed to call setsockopt");
+ goto err;
+ }
+
+ buf.u32 = 0x00;
+ optlen = 4;
+ err = getsockopt(fd, SOL_CUSTOM, 0, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt");
+ goto err;
+ }
+
+ if (optlen != 1) {
+ log_err("Unexpected optlen %d != 1", optlen);
+ goto err;
+ }
+ if (buf.u8[0] != 0x01) {
+ log_err("Unexpected buf[0] 0x%02x != 0x01", buf.u8[0]);
+ goto err;
+ }
+
+ /* SO_SNDBUF is overwritten */
+
+ buf.u32 = 0x01010101;
+ err = setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &buf, 4);
+ if (err) {
+ log_err("Failed to call setsockopt(SO_SNDBUF)");
+ goto err;
+ }
+
+ buf.u32 = 0x00;
+ optlen = 4;
+ err = getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &buf, &optlen);
+ if (err) {
+ log_err("Failed to call getsockopt(SO_SNDBUF)");
+ goto err;
+ }
+
+ if (buf.u32 != 0x55AA*2) {
+ log_err("Unexpected getsockopt(SO_SNDBUF) 0x%x != 0x55AA*2",
+ buf.u32);
+ goto err;
+ }
+
+ close(fd);
+ return 0;
+err:
+ close(fd);
+ return -1;
+}
+
+static int prog_attach(struct bpf_object *obj, int cgroup_fd, const char *title)
+{
+ enum bpf_attach_type attach_type;
+ enum bpf_prog_type prog_type;
+ struct bpf_program *prog;
+ int err;
+
+ err = libbpf_prog_type_by_name(title, &prog_type, &attach_type);
+ if (err) {
+ log_err("Failed to deduct types for %s BPF program", title);
+ return -1;
+ }
+
+ prog = bpf_object__find_program_by_title(obj, title);
+ if (!prog) {
+ log_err("Failed to find %s BPF program", title);
+ return -1;
+ }
+
+ err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd,
+ attach_type, 0);
+ if (err) {
+ log_err("Failed to attach %s BPF program", title);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int run_test(int cgroup_fd)
+{
+ struct bpf_prog_load_attr attr = {
+ .file = "./sockopt_sk.o",
+ };
+ struct bpf_object *obj;
+ int ignored;
+ int err;
+
+ err = bpf_prog_load_xattr(&attr, &obj, &ignored);
+ if (err) {
+ log_err("Failed to load BPF object");
+ return -1;
+ }
+
+ err = prog_attach(obj, cgroup_fd, "cgroup/getsockopt");
+ if (err)
+ goto close_bpf_object;
+
+ err = prog_attach(obj, cgroup_fd, "cgroup/setsockopt");
+ if (err)
+ goto close_bpf_object;
+
+ err = getsetsockopt();
+
+close_bpf_object:
+ bpf_object__close(obj);
+ return err;
+}
+
+int main(int args, char **argv)
+{
+ int cgroup_fd;
+ int err = EXIT_SUCCESS;
+
+ if (setup_cgroup_environment())
+ goto cleanup_obj;
+
+ cgroup_fd = create_and_get_cgroup(CG_PATH);
+ if (cgroup_fd < 0)
+ goto cleanup_cgroup_env;
+
+ if (join_cgroup(CG_PATH))
+ goto cleanup_cgroup;
+
+ if (run_test(cgroup_fd))
+ err = EXIT_FAILURE;
+
+ printf("test_sockopt_sk: %s\n",
+ err == EXIT_SUCCESS ? "PASSED" : "FAILED");
+
+cleanup_cgroup:
+ close(cgroup_fd);
+cleanup_cgroup_env:
+ cleanup_cgroup_environment();
+cleanup_obj:
+ return err;
+}
diff --git a/tools/testing/selftests/bpf/test_stub.c b/tools/testing/selftests/bpf/test_stub.c
new file mode 100644
index 000000000000..84e81a89e2f9
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_stub.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/* Copyright (C) 2019 Netronome Systems, Inc. */
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include <string.h>
+
+int bpf_prog_test_load(const char *file, enum bpf_prog_type type,
+ struct bpf_object **pobj, int *prog_fd)
+{
+ struct bpf_prog_load_attr attr;
+
+ memset(&attr, 0, sizeof(struct bpf_prog_load_attr));
+ attr.file = file;
+ attr.prog_type = type;
+ attr.expected_attach_type = 0;
+ attr.prog_flags = BPF_F_TEST_RND_HI32;
+
+ return bpf_prog_load_xattr(&attr, pobj, prog_fd);
+}
+
+int bpf_test_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
+ size_t insns_cnt, const char *license,
+ __u32 kern_version, char *log_buf,
+ size_t log_buf_sz)
+{
+ struct bpf_load_program_attr load_attr;
+
+ memset(&load_attr, 0, sizeof(struct bpf_load_program_attr));
+ load_attr.prog_type = type;
+ load_attr.expected_attach_type = 0;
+ load_attr.name = NULL;
+ load_attr.insns = insns;
+ load_attr.insns_cnt = insns_cnt;
+ load_attr.license = license;
+ load_attr.kern_version = kern_version;
+ load_attr.prog_flags = BPF_F_TEST_RND_HI32;
+
+ return bpf_load_program_xattr(&load_attr, log_buf, log_buf_sz);
+}
diff --git a/tools/testing/selftests/bpf/test_sysctl.c b/tools/testing/selftests/bpf/test_sysctl.c
new file mode 100644
index 000000000000..a3bebd7c68dd
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sysctl.c
@@ -0,0 +1,1567 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <linux/filter.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_rlimit.h"
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+
+#define CG_PATH "/foo"
+#define MAX_INSNS 512
+#define FIXUP_SYSCTL_VALUE 0
+
+char bpf_log_buf[BPF_LOG_BUF_SIZE];
+
+struct sysctl_test {
+ const char *descr;
+ size_t fixup_value_insn;
+ struct bpf_insn insns[MAX_INSNS];
+ const char *prog_file;
+ enum bpf_attach_type attach_type;
+ const char *sysctl;
+ int open_flags;
+ const char *newval;
+ const char *oldval;
+ enum {
+ LOAD_REJECT,
+ ATTACH_REJECT,
+ OP_EPERM,
+ SUCCESS,
+ } result;
+};
+
+static struct sysctl_test tests[] = {
+ {
+ .descr = "sysctl wrong attach_type",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = 0,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = ATTACH_REJECT,
+ },
+ {
+ .descr = "sysctl:read allow all",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl:read deny all",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = OP_EPERM,
+ },
+ {
+ .descr = "ctx:write sysctl:read read ok",
+ .insns = {
+ /* If (write) */
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct bpf_sysctl, write)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 1, 2),
+
+ /* return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_A(1),
+
+ /* else return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "ctx:write sysctl:write read ok",
+ .insns = {
+ /* If (write) */
+ BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_1,
+ offsetof(struct bpf_sysctl, write)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 1, 2),
+
+ /* return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_A(1),
+
+ /* else return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/domainname",
+ .open_flags = O_WRONLY,
+ .newval = "(none)", /* same as default, should fail anyway */
+ .result = OP_EPERM,
+ },
+ {
+ .descr = "ctx:write sysctl:read write reject",
+ .insns = {
+ /* write = X */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sysctl, write)),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = LOAD_REJECT,
+ },
+ {
+ .descr = "ctx:file_pos sysctl:read read ok",
+ .insns = {
+ /* If (file_pos == X) */
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct bpf_sysctl, file_pos)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "ctx:file_pos sysctl:read read ok narrow",
+ .insns = {
+ /* If (file_pos == X) */
+ BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_1,
+ offsetof(struct bpf_sysctl, file_pos)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "ctx:file_pos sysctl:read write ok",
+ .insns = {
+ /* file_pos = X */
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct bpf_sysctl, file_pos)),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .oldval = "nux\n",
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_name sysctl_value:base ok",
+ .insns = {
+ /* sysctl_get_name arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_name arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 8),
+
+ /* sysctl_get_name arg4 (flags) */
+ BPF_MOV64_IMM(BPF_REG_4, BPF_F_SYSCTL_BASE_NAME),
+
+ /* sysctl_get_name(ctx, buf, buf_len, flags) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, sizeof("tcp_mem") - 1, 6),
+ /* buf == "tcp_mem\0") */
+ BPF_LD_IMM64(BPF_REG_8, 0x006d656d5f706374ULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_name sysctl_value:base E2BIG truncated",
+ .insns = {
+ /* sysctl_get_name arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_name arg3 (buf_len) too small */
+ BPF_MOV64_IMM(BPF_REG_3, 7),
+
+ /* sysctl_get_name arg4 (flags) */
+ BPF_MOV64_IMM(BPF_REG_4, BPF_F_SYSCTL_BASE_NAME),
+
+ /* sysctl_get_name(ctx, buf, buf_len, flags) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 6),
+
+ /* buf[0:7] == "tcp_me\0") */
+ BPF_LD_IMM64(BPF_REG_8, 0x00656d5f706374ULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_name sysctl:full ok",
+ .insns = {
+ /* sysctl_get_name arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -24),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 16),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_name arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 17),
+
+ /* sysctl_get_name arg4 (flags) */
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+
+ /* sysctl_get_name(ctx, buf, buf_len, flags) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 16, 14),
+
+ /* buf[0:8] == "net/ipv4" && */
+ BPF_LD_IMM64(BPF_REG_8, 0x347670692f74656eULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 10),
+
+ /* buf[8:16] == "/tcp_mem" && */
+ BPF_LD_IMM64(BPF_REG_8, 0x6d656d5f7063742fULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 8),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 6),
+
+ /* buf[16:24] == "\0") */
+ BPF_LD_IMM64(BPF_REG_8, 0x0ULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 16),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_name sysctl:full E2BIG truncated",
+ .insns = {
+ /* sysctl_get_name arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -16),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 8),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_name arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 16),
+
+ /* sysctl_get_name arg4 (flags) */
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+
+ /* sysctl_get_name(ctx, buf, buf_len, flags) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 10),
+
+ /* buf[0:8] == "net/ipv4" && */
+ BPF_LD_IMM64(BPF_REG_8, 0x347670692f74656eULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 6),
+
+ /* buf[8:16] == "/tcp_me\0") */
+ BPF_LD_IMM64(BPF_REG_8, 0x00656d5f7063742fULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 8),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_name sysctl:full E2BIG truncated small",
+ .insns = {
+ /* sysctl_get_name arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_name arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 7),
+
+ /* sysctl_get_name arg4 (flags) */
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+
+ /* sysctl_get_name(ctx, buf, buf_len, flags) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 6),
+
+ /* buf[0:8] == "net/ip\0") */
+ BPF_LD_IMM64(BPF_REG_8, 0x000070692f74656eULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_current_value sysctl:read ok, gt",
+ .insns = {
+ /* sysctl_get_current_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_current_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 8),
+
+ /* sysctl_get_current_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 6, 6),
+
+ /* buf[0:6] == "Linux\n\0") */
+ BPF_LD_IMM64(BPF_REG_8, 0x000a78756e694cULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_current_value sysctl:read ok, eq",
+ .insns = {
+ /* sysctl_get_current_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_7, BPF_REG_0, 7),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_current_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 7),
+
+ /* sysctl_get_current_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 6, 6),
+
+ /* buf[0:6] == "Linux\n\0") */
+ BPF_LD_IMM64(BPF_REG_8, 0x000a78756e694cULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_current_value sysctl:read E2BIG truncated",
+ .insns = {
+ /* sysctl_get_current_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_H, BPF_REG_7, BPF_REG_0, 6),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_current_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 6),
+
+ /* sysctl_get_current_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 6),
+
+ /* buf[0:6] == "Linux\0") */
+ BPF_LD_IMM64(BPF_REG_8, 0x000078756e694cULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "kernel/ostype",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_current_value sysctl:read EINVAL",
+ .insns = {
+ /* sysctl_get_current_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_current_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 8),
+
+ /* sysctl_get_current_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 4),
+
+ /* buf[0:8] is NUL-filled) */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 0, 2),
+
+ /* return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_A(1),
+
+ /* else return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv6/conf/lo/stable_secret", /* -EIO */
+ .open_flags = O_RDONLY,
+ .result = OP_EPERM,
+ },
+ {
+ .descr = "sysctl_get_current_value sysctl:write ok",
+ .fixup_value_insn = 6,
+ .insns = {
+ /* sysctl_get_current_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_current_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 8),
+
+ /* sysctl_get_current_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 4, 6),
+
+ /* buf[0:4] == expected) */
+ BPF_LD_IMM64(BPF_REG_8, FIXUP_SYSCTL_VALUE),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_A(1),
+
+ /* else return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_WRONLY,
+ .newval = "600", /* same as default, should fail anyway */
+ .result = OP_EPERM,
+ },
+ {
+ .descr = "sysctl_get_new_value sysctl:read EINVAL",
+ .insns = {
+ /* sysctl_get_new_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_new_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 8),
+
+ /* sysctl_get_new_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_new_value),
+
+ /* if (ret == expected) */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_get_new_value sysctl:write ok",
+ .insns = {
+ /* sysctl_get_new_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_new_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 4),
+
+ /* sysctl_get_new_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_new_value),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 4),
+
+ /* buf[0:4] == "606\0") */
+ BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 0x00363036, 2),
+
+ /* return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_A(1),
+
+ /* else return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_WRONLY,
+ .newval = "606",
+ .result = OP_EPERM,
+ },
+ {
+ .descr = "sysctl_get_new_value sysctl:write ok long",
+ .insns = {
+ /* sysctl_get_new_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -24),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_new_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 24),
+
+ /* sysctl_get_new_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_new_value),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 23, 14),
+
+ /* buf[0:8] == "3000000 " && */
+ BPF_LD_IMM64(BPF_REG_8, 0x2030303030303033ULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 10),
+
+ /* buf[8:16] == "4000000 " && */
+ BPF_LD_IMM64(BPF_REG_8, 0x2030303030303034ULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 8),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 6),
+
+ /* buf[16:24] == "6000000\0") */
+ BPF_LD_IMM64(BPF_REG_8, 0x0030303030303036ULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 16),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_A(1),
+
+ /* else return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_WRONLY,
+ .newval = "3000000 4000000 6000000",
+ .result = OP_EPERM,
+ },
+ {
+ .descr = "sysctl_get_new_value sysctl:write E2BIG",
+ .insns = {
+ /* sysctl_get_new_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_7, BPF_REG_0, 3),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_get_new_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 3),
+
+ /* sysctl_get_new_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_get_new_value),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 4),
+
+ /* buf[0:3] == "60\0") */
+ BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 0x003036, 2),
+
+ /* return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_A(1),
+
+ /* else return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_WRONLY,
+ .newval = "606",
+ .result = OP_EPERM,
+ },
+ {
+ .descr = "sysctl_set_new_value sysctl:read EINVAL",
+ .insns = {
+ /* sysctl_set_new_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_set_new_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 3),
+
+ /* sysctl_set_new_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_set_new_value),
+
+ /* if (ret == expected) */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ .descr = "sysctl_set_new_value sysctl:write ok",
+ .fixup_value_insn = 2,
+ .insns = {
+ /* sysctl_set_new_value arg2 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, FIXUP_SYSCTL_VALUE),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+ /* sysctl_set_new_value arg3 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_3, 3),
+
+ /* sysctl_set_new_value(ctx, buf, buf_len) */
+ BPF_EMIT_CALL(BPF_FUNC_sysctl_set_new_value),
+
+ /* if (ret == expected) */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_WRONLY,
+ .newval = "606",
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtoul one number string",
+ .insns = {
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 4),
+ /* res == expected) */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 600, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtoul multi number string",
+ .insns = {
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ /* "600 602\0" */
+ BPF_LD_IMM64(BPF_REG_0, 0x0032303620303036ULL),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 8),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 18),
+ /* res == expected) */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 600, 16),
+
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 8),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_0),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* arg4 (res) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -16),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 4, 4),
+ /* res == expected) */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 602, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtoul buf_len = 0, reject",
+ .insns = {
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = LOAD_REJECT,
+ },
+ {
+ "bpf_strtoul supported base, ok",
+ .insns = {
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00373730),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 8),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 4),
+ /* res == expected) */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 63, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtoul unsupported base, EINVAL",
+ .insns = {
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 3),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ /* if (ret == expected) */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtoul buf with spaces only, EINVAL",
+ .insns = {
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x090a0c0d),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ /* if (ret == expected) */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtoul negative number, EINVAL",
+ .insns = {
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00362d0a), /* " -6\0" */
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ /* if (ret == expected) */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtol negative number, ok",
+ .insns = {
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00362d0a), /* " -6\0" */
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 10),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtol),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 4),
+ /* res == expected) */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_9, -6, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtol hex number, ok",
+ .insns = {
+ /* arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x65667830), /* "0xfe" */
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtol),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 4, 4),
+ /* res == expected) */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 254, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtol max long",
+ .insns = {
+ /* arg1 (buf) 9223372036854775807 */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -24),
+ BPF_LD_IMM64(BPF_REG_0, 0x3032373333323239ULL),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_LD_IMM64(BPF_REG_0, 0x3537373435383633ULL),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 8),
+ BPF_LD_IMM64(BPF_REG_0, 0x0000000000373038ULL),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 16),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 19),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtol),
+
+ /* if (ret == expected && */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 19, 6),
+ /* res == expected) */
+ BPF_LD_IMM64(BPF_REG_8, 0x7fffffffffffffffULL),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "bpf_strtol overflow, ERANGE",
+ .insns = {
+ /* arg1 (buf) 9223372036854775808 */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -24),
+ BPF_LD_IMM64(BPF_REG_0, 0x3032373333323239ULL),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_LD_IMM64(BPF_REG_0, 0x3537373435383633ULL),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 8),
+ BPF_LD_IMM64(BPF_REG_0, 0x0000000000383038ULL),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 16),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 19),
+
+ /* arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ BPF_EMIT_CALL(BPF_FUNC_strtol),
+
+ /* if (ret == expected) */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -ERANGE, 2),
+
+ /* return ALLOW; */
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_A(1),
+
+ /* else return DENY; */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+ {
+ "C prog: deny all writes",
+ .prog_file = "./test_sysctl_prog.o",
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_WRONLY,
+ .newval = "123 456 789",
+ .result = OP_EPERM,
+ },
+ {
+ "C prog: deny access by name",
+ .prog_file = "./test_sysctl_prog.o",
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/route/mtu_expires",
+ .open_flags = O_RDONLY,
+ .result = OP_EPERM,
+ },
+ {
+ "C prog: read tcp_mem",
+ .prog_file = "./test_sysctl_prog.o",
+ .attach_type = BPF_CGROUP_SYSCTL,
+ .sysctl = "net/ipv4/tcp_mem",
+ .open_flags = O_RDONLY,
+ .result = SUCCESS,
+ },
+};
+
+static size_t probe_prog_length(const struct bpf_insn *fp)
+{
+ size_t len;
+
+ for (len = MAX_INSNS - 1; len > 0; --len)
+ if (fp[len].code != 0 || fp[len].imm != 0)
+ break;
+ return len + 1;
+}
+
+static int fixup_sysctl_value(const char *buf, size_t buf_len,
+ struct bpf_insn *prog, size_t insn_num)
+{
+ uint32_t value_num = 0;
+ uint8_t c, i;
+
+ if (buf_len > sizeof(value_num)) {
+ log_err("Value is too big (%zd) to use in fixup", buf_len);
+ return -1;
+ }
+
+ for (i = 0; i < buf_len; ++i) {
+ c = buf[i];
+ value_num |= (c << i * 8);
+ }
+
+ prog[insn_num].imm = value_num;
+
+ return 0;
+}
+
+static int load_sysctl_prog_insns(struct sysctl_test *test,
+ const char *sysctl_path)
+{
+ struct bpf_insn *prog = test->insns;
+ struct bpf_load_program_attr attr;
+ int ret;
+
+ memset(&attr, 0, sizeof(struct bpf_load_program_attr));
+ attr.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL;
+ attr.insns = prog;
+ attr.insns_cnt = probe_prog_length(attr.insns);
+ attr.license = "GPL";
+
+ if (test->fixup_value_insn) {
+ char buf[128];
+ ssize_t len;
+ int fd;
+
+ fd = open(sysctl_path, O_RDONLY | O_CLOEXEC);
+ if (fd < 0) {
+ log_err("open(%s) failed", sysctl_path);
+ return -1;
+ }
+ len = read(fd, buf, sizeof(buf));
+ if (len == -1) {
+ log_err("read(%s) failed", sysctl_path);
+ close(fd);
+ return -1;
+ }
+ close(fd);
+ if (fixup_sysctl_value(buf, len, prog, test->fixup_value_insn))
+ return -1;
+ }
+
+ ret = bpf_load_program_xattr(&attr, bpf_log_buf, BPF_LOG_BUF_SIZE);
+ if (ret < 0 && test->result != LOAD_REJECT) {
+ log_err(">>> Loading program error.\n"
+ ">>> Verifier output:\n%s\n-------\n", bpf_log_buf);
+ }
+
+ return ret;
+}
+
+static int load_sysctl_prog_file(struct sysctl_test *test)
+{
+ struct bpf_prog_load_attr attr;
+ struct bpf_object *obj;
+ int prog_fd;
+
+ memset(&attr, 0, sizeof(struct bpf_prog_load_attr));
+ attr.file = test->prog_file;
+ attr.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL;
+
+ if (bpf_prog_load_xattr(&attr, &obj, &prog_fd)) {
+ if (test->result != LOAD_REJECT)
+ log_err(">>> Loading program (%s) error.\n",
+ test->prog_file);
+ return -1;
+ }
+
+ return prog_fd;
+}
+
+static int load_sysctl_prog(struct sysctl_test *test, const char *sysctl_path)
+{
+ return test->prog_file
+ ? load_sysctl_prog_file(test)
+ : load_sysctl_prog_insns(test, sysctl_path);
+}
+
+static int access_sysctl(const char *sysctl_path,
+ const struct sysctl_test *test)
+{
+ int err = 0;
+ int fd;
+
+ fd = open(sysctl_path, test->open_flags | O_CLOEXEC);
+ if (fd < 0)
+ return fd;
+
+ if (test->open_flags == O_RDONLY) {
+ char buf[128];
+
+ if (read(fd, buf, sizeof(buf)) == -1)
+ goto err;
+ if (test->oldval &&
+ strncmp(buf, test->oldval, strlen(test->oldval))) {
+ log_err("Read value %s != %s", buf, test->oldval);
+ goto err;
+ }
+ } else if (test->open_flags == O_WRONLY) {
+ if (!test->newval) {
+ log_err("New value for sysctl is not set");
+ goto err;
+ }
+ if (write(fd, test->newval, strlen(test->newval)) == -1)
+ goto err;
+ } else {
+ log_err("Unexpected sysctl access: neither read nor write");
+ goto err;
+ }
+
+ goto out;
+err:
+ err = -1;
+out:
+ close(fd);
+ return err;
+}
+
+static int run_test_case(int cgfd, struct sysctl_test *test)
+{
+ enum bpf_attach_type atype = test->attach_type;
+ char sysctl_path[128];
+ int progfd = -1;
+ int err = 0;
+
+ printf("Test case: %s .. ", test->descr);
+
+ snprintf(sysctl_path, sizeof(sysctl_path), "/proc/sys/%s",
+ test->sysctl);
+
+ progfd = load_sysctl_prog(test, sysctl_path);
+ if (progfd < 0) {
+ if (test->result == LOAD_REJECT)
+ goto out;
+ else
+ goto err;
+ }
+
+ if (bpf_prog_attach(progfd, cgfd, atype, BPF_F_ALLOW_OVERRIDE) == -1) {
+ if (test->result == ATTACH_REJECT)
+ goto out;
+ else
+ goto err;
+ }
+
+ if (access_sysctl(sysctl_path, test) == -1) {
+ if (test->result == OP_EPERM && errno == EPERM)
+ goto out;
+ else
+ goto err;
+ }
+
+ if (test->result != SUCCESS) {
+ log_err("Unexpected failure");
+ goto err;
+ }
+
+ goto out;
+err:
+ err = -1;
+out:
+ /* Detaching w/o checking return code: best effort attempt. */
+ if (progfd != -1)
+ bpf_prog_detach(cgfd, atype);
+ close(progfd);
+ printf("[%s]\n", err ? "FAIL" : "PASS");
+ return err;
+}
+
+static int run_tests(int cgfd)
+{
+ int passes = 0;
+ int fails = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tests); ++i) {
+ if (run_test_case(cgfd, &tests[i]))
+ ++fails;
+ else
+ ++passes;
+ }
+ printf("Summary: %d PASSED, %d FAILED\n", passes, fails);
+ return fails ? -1 : 0;
+}
+
+int main(int argc, char **argv)
+{
+ int cgfd = -1;
+ int err = 0;
+
+ if (setup_cgroup_environment())
+ goto err;
+
+ cgfd = create_and_get_cgroup(CG_PATH);
+ if (cgfd < 0)
+ goto err;
+
+ if (join_cgroup(CG_PATH))
+ goto err;
+
+ if (run_tests(cgfd))
+ goto err;
+
+ goto out;
+err:
+ err = -1;
+out:
+ close(cgfd);
+ cleanup_cgroup_environment();
+ return err;
+}
diff --git a/tools/testing/selftests/bpf/test_tc_edt.sh b/tools/testing/selftests/bpf/test_tc_edt.sh
new file mode 100755
index 000000000000..f38567ef694b
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tc_edt.sh
@@ -0,0 +1,99 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# This test installs a TC bpf program that throttles a TCP flow
+# with dst port = 9000 down to 5MBps. Then it measures actual
+# throughput of the flow.
+
+if [[ $EUID -ne 0 ]]; then
+ echo "This script must be run as root"
+ echo "FAIL"
+ exit 1
+fi
+
+# check that nc, dd, and timeout are present
+command -v nc >/dev/null 2>&1 || \
+ { echo >&2 "nc is not available"; exit 1; }
+command -v dd >/dev/null 2>&1 || \
+ { echo >&2 "nc is not available"; exit 1; }
+command -v timeout >/dev/null 2>&1 || \
+ { echo >&2 "timeout is not available"; exit 1; }
+
+readonly NS_SRC="ns-src-$(mktemp -u XXXXXX)"
+readonly NS_DST="ns-dst-$(mktemp -u XXXXXX)"
+
+readonly IP_SRC="172.16.1.100"
+readonly IP_DST="172.16.2.100"
+
+cleanup()
+{
+ ip netns del ${NS_SRC}
+ ip netns del ${NS_DST}
+}
+
+trap cleanup EXIT
+
+set -e # exit on error
+
+ip netns add "${NS_SRC}"
+ip netns add "${NS_DST}"
+ip link add veth_src type veth peer name veth_dst
+ip link set veth_src netns ${NS_SRC}
+ip link set veth_dst netns ${NS_DST}
+
+ip -netns ${NS_SRC} addr add ${IP_SRC}/24 dev veth_src
+ip -netns ${NS_DST} addr add ${IP_DST}/24 dev veth_dst
+
+ip -netns ${NS_SRC} link set dev veth_src up
+ip -netns ${NS_DST} link set dev veth_dst up
+
+ip -netns ${NS_SRC} route add ${IP_DST}/32 dev veth_src
+ip -netns ${NS_DST} route add ${IP_SRC}/32 dev veth_dst
+
+# set up TC on TX
+ip netns exec ${NS_SRC} tc qdisc add dev veth_src root fq
+ip netns exec ${NS_SRC} tc qdisc add dev veth_src clsact
+ip netns exec ${NS_SRC} tc filter add dev veth_src egress \
+ bpf da obj test_tc_edt.o sec cls_test
+
+
+# start the listener
+ip netns exec ${NS_DST} bash -c \
+ "nc -4 -l -s ${IP_DST} -p 9000 >/dev/null &"
+declare -i NC_PID=$!
+sleep 1
+
+declare -ir TIMEOUT=20
+declare -ir EXPECTED_BPS=5000000
+
+# run the load, capture RX bytes on DST
+declare -ir RX_BYTES_START=$( ip netns exec ${NS_DST} \
+ cat /sys/class/net/veth_dst/statistics/rx_bytes )
+
+set +e
+ip netns exec ${NS_SRC} bash -c "timeout ${TIMEOUT} dd if=/dev/zero \
+ bs=1000 count=1000000 > /dev/tcp/${IP_DST}/9000 2>/dev/null"
+set -e
+
+declare -ir RX_BYTES_END=$( ip netns exec ${NS_DST} \
+ cat /sys/class/net/veth_dst/statistics/rx_bytes )
+
+declare -ir ACTUAL_BPS=$(( ($RX_BYTES_END - $RX_BYTES_START) / $TIMEOUT ))
+
+echo $TIMEOUT $ACTUAL_BPS $EXPECTED_BPS | \
+ awk '{printf "elapsed: %d sec; bps difference: %.2f%%\n",
+ $1, ($2-$3)*100.0/$3}'
+
+# Pass the test if the actual bps is within 1% of the expected bps.
+# The difference is usually about 0.1% on a 20-sec test, and ==> zero
+# the longer the test runs.
+declare -ir RES=$( echo $ACTUAL_BPS $EXPECTED_BPS | \
+ awk 'function abs(x){return ((x < 0.0) ? -x : x)}
+ {if (abs(($1-$2)*100.0/$2) > 1.0) { print "1" }
+ else { print "0"} }' )
+if [ "${RES}" == "0" ] ; then
+ echo "PASS"
+else
+ echo "FAIL"
+ exit 1
+fi
diff --git a/tools/testing/selftests/bpf/test_tc_tunnel.sh b/tools/testing/selftests/bpf/test_tc_tunnel.sh
new file mode 100755
index 000000000000..ff0d31d38061
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tc_tunnel.sh
@@ -0,0 +1,290 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# In-place tunneling
+
+# must match the port that the bpf program filters on
+readonly port=8000
+
+readonly ns_prefix="ns-$$-"
+readonly ns1="${ns_prefix}1"
+readonly ns2="${ns_prefix}2"
+
+readonly ns1_v4=192.168.1.1
+readonly ns2_v4=192.168.1.2
+readonly ns1_v6=fd::1
+readonly ns2_v6=fd::2
+
+# Must match port used by bpf program
+readonly udpport=5555
+# MPLSoverUDP
+readonly mplsudpport=6635
+readonly mplsproto=137
+
+readonly infile="$(mktemp)"
+readonly outfile="$(mktemp)"
+
+setup() {
+ ip netns add "${ns1}"
+ ip netns add "${ns2}"
+
+ ip link add dev veth1 mtu 1500 netns "${ns1}" type veth \
+ peer name veth2 mtu 1500 netns "${ns2}"
+
+ ip netns exec "${ns1}" ethtool -K veth1 tso off
+
+ ip -netns "${ns1}" link set veth1 up
+ ip -netns "${ns2}" link set veth2 up
+
+ ip -netns "${ns1}" -4 addr add "${ns1_v4}/24" dev veth1
+ ip -netns "${ns2}" -4 addr add "${ns2_v4}/24" dev veth2
+ ip -netns "${ns1}" -6 addr add "${ns1_v6}/64" dev veth1 nodad
+ ip -netns "${ns2}" -6 addr add "${ns2_v6}/64" dev veth2 nodad
+
+ # clamp route to reserve room for tunnel headers
+ ip -netns "${ns1}" -4 route flush table main
+ ip -netns "${ns1}" -6 route flush table main
+ ip -netns "${ns1}" -4 route add "${ns2_v4}" mtu 1458 dev veth1
+ ip -netns "${ns1}" -6 route add "${ns2_v6}" mtu 1438 dev veth1
+
+ sleep 1
+
+ dd if=/dev/urandom of="${infile}" bs="${datalen}" count=1 status=none
+}
+
+cleanup() {
+ ip netns del "${ns2}"
+ ip netns del "${ns1}"
+
+ if [[ -f "${outfile}" ]]; then
+ rm "${outfile}"
+ fi
+ if [[ -f "${infile}" ]]; then
+ rm "${infile}"
+ fi
+}
+
+server_listen() {
+ ip netns exec "${ns2}" nc "${netcat_opt}" -l -p "${port}" > "${outfile}" &
+ server_pid=$!
+ sleep 0.2
+}
+
+client_connect() {
+ ip netns exec "${ns1}" timeout 2 nc "${netcat_opt}" -w 1 "${addr2}" "${port}" < "${infile}"
+ echo $?
+}
+
+verify_data() {
+ wait "${server_pid}"
+ # sha1sum returns two fields [sha1] [filepath]
+ # convert to bash array and access first elem
+ insum=($(sha1sum ${infile}))
+ outsum=($(sha1sum ${outfile}))
+ if [[ "${insum[0]}" != "${outsum[0]}" ]]; then
+ echo "data mismatch"
+ exit 1
+ fi
+}
+
+set -e
+
+# no arguments: automated test, run all
+if [[ "$#" -eq "0" ]]; then
+ echo "ipip"
+ $0 ipv4 ipip none 100
+
+ echo "ip6ip6"
+ $0 ipv6 ip6tnl none 100
+
+ echo "sit"
+ $0 ipv6 sit none 100
+
+ for mac in none mpls eth ; do
+ echo "ip gre $mac"
+ $0 ipv4 gre $mac 100
+
+ echo "ip6 gre $mac"
+ $0 ipv6 ip6gre $mac 100
+
+ echo "ip gre $mac gso"
+ $0 ipv4 gre $mac 2000
+
+ echo "ip6 gre $mac gso"
+ $0 ipv6 ip6gre $mac 2000
+
+ echo "ip udp $mac"
+ $0 ipv4 udp $mac 100
+
+ echo "ip6 udp $mac"
+ $0 ipv6 ip6udp $mac 100
+
+ echo "ip udp $mac gso"
+ $0 ipv4 udp $mac 2000
+
+ echo "ip6 udp $mac gso"
+ $0 ipv6 ip6udp $mac 2000
+ done
+
+ echo "OK. All tests passed"
+ exit 0
+fi
+
+if [[ "$#" -ne "4" ]]; then
+ echo "Usage: $0"
+ echo " or: $0 <ipv4|ipv6> <tuntype> <none|mpls|eth> <data_len>"
+ exit 1
+fi
+
+case "$1" in
+"ipv4")
+ readonly addr1="${ns1_v4}"
+ readonly addr2="${ns2_v4}"
+ readonly ipproto=4
+ readonly netcat_opt=-${ipproto}
+ readonly foumod=fou
+ readonly foutype=ipip
+ readonly fouproto=4
+ readonly fouproto_mpls=${mplsproto}
+ readonly gretaptype=gretap
+ ;;
+"ipv6")
+ readonly addr1="${ns1_v6}"
+ readonly addr2="${ns2_v6}"
+ readonly ipproto=6
+ readonly netcat_opt=-${ipproto}
+ readonly foumod=fou6
+ readonly foutype=ip6tnl
+ readonly fouproto="41 -6"
+ readonly fouproto_mpls="${mplsproto} -6"
+ readonly gretaptype=ip6gretap
+ ;;
+*)
+ echo "unknown arg: $1"
+ exit 1
+ ;;
+esac
+
+readonly tuntype=$2
+readonly mac=$3
+readonly datalen=$4
+
+echo "encap ${addr1} to ${addr2}, type ${tuntype}, mac ${mac} len ${datalen}"
+
+trap cleanup EXIT
+
+setup
+
+# basic communication works
+echo "test basic connectivity"
+server_listen
+client_connect
+verify_data
+
+# clientside, insert bpf program to encap all TCP to port ${port}
+# client can no longer connect
+ip netns exec "${ns1}" tc qdisc add dev veth1 clsact
+ip netns exec "${ns1}" tc filter add dev veth1 egress \
+ bpf direct-action object-file ./test_tc_tunnel.o \
+ section "encap_${tuntype}_${mac}"
+echo "test bpf encap without decap (expect failure)"
+server_listen
+! client_connect
+
+if [[ "$tuntype" =~ "udp" ]]; then
+ # Set up fou tunnel.
+ ttype="${foutype}"
+ targs="encap fou encap-sport auto encap-dport $udpport"
+ # fou may be a module; allow this to fail.
+ modprobe "${foumod}" ||true
+ if [[ "$mac" == "mpls" ]]; then
+ dport=${mplsudpport}
+ dproto=${fouproto_mpls}
+ tmode="mode any ttl 255"
+ else
+ dport=${udpport}
+ dproto=${fouproto}
+ fi
+ ip netns exec "${ns2}" ip fou add port $dport ipproto ${dproto}
+ targs="encap fou encap-sport auto encap-dport $dport"
+elif [[ "$tuntype" =~ "gre" && "$mac" == "eth" ]]; then
+ ttype=$gretaptype
+else
+ ttype=$tuntype
+ targs=""
+fi
+
+# tunnel address family differs from inner for SIT
+if [[ "${tuntype}" == "sit" ]]; then
+ link_addr1="${ns1_v4}"
+ link_addr2="${ns2_v4}"
+else
+ link_addr1="${addr1}"
+ link_addr2="${addr2}"
+fi
+
+# serverside, insert decap module
+# server is still running
+# client can connect again
+ip netns exec "${ns2}" ip link add name testtun0 type "${ttype}" \
+ ${tmode} remote "${link_addr1}" local "${link_addr2}" $targs
+
+expect_tun_fail=0
+
+if [[ "$tuntype" == "ip6udp" && "$mac" == "mpls" ]]; then
+ # No support for MPLS IPv6 fou tunnel; expect failure.
+ expect_tun_fail=1
+elif [[ "$tuntype" =~ "udp" && "$mac" == "eth" ]]; then
+ # No support for TEB fou tunnel; expect failure.
+ expect_tun_fail=1
+elif [[ "$tuntype" =~ "gre" && "$mac" == "eth" ]]; then
+ # Share ethernet address between tunnel/veth2 so L2 decap works.
+ ethaddr=$(ip netns exec "${ns2}" ip link show veth2 | \
+ awk '/ether/ { print $2 }')
+ ip netns exec "${ns2}" ip link set testtun0 address $ethaddr
+elif [[ "$mac" == "mpls" ]]; then
+ modprobe mpls_iptunnel ||true
+ modprobe mpls_gso ||true
+ ip netns exec "${ns2}" sysctl -qw net.mpls.platform_labels=65536
+ ip netns exec "${ns2}" ip -f mpls route add 1000 dev lo
+ ip netns exec "${ns2}" ip link set lo up
+ ip netns exec "${ns2}" sysctl -qw net.mpls.conf.testtun0.input=1
+ ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.lo.rp_filter=0
+fi
+
+# Because packets are decapped by the tunnel they arrive on testtun0 from
+# the IP stack perspective. Ensure reverse path filtering is disabled
+# otherwise we drop the TCP SYN as arriving on testtun0 instead of the
+# expected veth2 (veth2 is where 192.168.1.2 is configured).
+ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.rp_filter=0
+# rp needs to be disabled for both all and testtun0 as the rp value is
+# selected as the max of the "all" and device-specific values.
+ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.testtun0.rp_filter=0
+ip netns exec "${ns2}" ip link set dev testtun0 up
+if [[ "$expect_tun_fail" == 1 ]]; then
+ # This tunnel mode is not supported, so we expect failure.
+ echo "test bpf encap with tunnel device decap (expect failure)"
+ ! client_connect
+else
+ echo "test bpf encap with tunnel device decap"
+ client_connect
+ verify_data
+ server_listen
+fi
+
+# bpf_skb_net_shrink does not take tunnel flags yet, cannot update L3.
+if [[ "${tuntype}" == "sit" ]]; then
+ echo OK
+ exit 0
+fi
+
+# serverside, use BPF for decap
+ip netns exec "${ns2}" ip link del dev testtun0
+ip netns exec "${ns2}" tc qdisc add dev veth2 clsact
+ip netns exec "${ns2}" tc filter add dev veth2 ingress \
+ bpf direct-action object-file ./test_tc_tunnel.o section decap
+echo "test bpf encap with bpf decap"
+client_connect
+verify_data
+
+echo OK
diff --git a/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh b/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
new file mode 100755
index 000000000000..d48e51716d19
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2018 Facebook
+# Copyright (c) 2019 Cloudflare
+
+set -eu
+
+wait_for_ip()
+{
+ local _i
+ printf "Wait for IP %s to become available " "$1"
+ for _i in $(seq ${MAX_PING_TRIES}); do
+ printf "."
+ if ns1_exec ping -c 1 -W 1 "$1" >/dev/null 2>&1; then
+ echo " OK"
+ return
+ fi
+ sleep 1
+ done
+ echo 1>&2 "ERROR: Timeout waiting for test IP to become available."
+ exit 1
+}
+
+get_prog_id()
+{
+ awk '/ id / {sub(/.* id /, "", $0); print($1)}'
+}
+
+ns1_exec()
+{
+ ip netns exec ns1 "$@"
+}
+
+setup()
+{
+ ip netns add ns1
+ ns1_exec ip link set lo up
+
+ ns1_exec sysctl -w net.ipv4.tcp_syncookies=2
+
+ wait_for_ip 127.0.0.1
+ wait_for_ip ::1
+}
+
+cleanup()
+{
+ ip netns del ns1 2>/dev/null || :
+}
+
+main()
+{
+ trap cleanup EXIT 2 3 6 15
+ setup
+
+ printf "Testing clsact..."
+ ns1_exec tc qdisc add dev "${TEST_IF}" clsact
+ ns1_exec tc filter add dev "${TEST_IF}" ingress \
+ bpf obj "${BPF_PROG_OBJ}" sec "${CLSACT_SECTION}" da
+
+ BPF_PROG_ID=$(ns1_exec tc filter show dev "${TEST_IF}" ingress | \
+ get_prog_id)
+ ns1_exec "${PROG}" "${BPF_PROG_ID}"
+ ns1_exec tc qdisc del dev "${TEST_IF}" clsact
+
+ printf "Testing XDP..."
+ ns1_exec ip link set "${TEST_IF}" xdp \
+ object "${BPF_PROG_OBJ}" section "${XDP_SECTION}"
+ BPF_PROG_ID=$(ns1_exec ip link show "${TEST_IF}" | get_prog_id)
+ ns1_exec "${PROG}" "${BPF_PROG_ID}"
+}
+
+DIR=$(dirname $0)
+TEST_IF=lo
+MAX_PING_TRIES=5
+BPF_PROG_OBJ="${DIR}/test_tcp_check_syncookie_kern.o"
+CLSACT_SECTION="clsact/check_syncookie"
+XDP_SECTION="xdp/check_syncookie"
+BPF_PROG_ID=0
+PROG="${DIR}/test_tcp_check_syncookie_user"
+
+main
diff --git a/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c b/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c
new file mode 100644
index 000000000000..87829c86c746
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c
@@ -0,0 +1,212 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+// Copyright (c) 2019 Cloudflare
+
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_rlimit.h"
+#include "cgroup_helpers.h"
+
+static int start_server(const struct sockaddr *addr, socklen_t len)
+{
+ int fd;
+
+ fd = socket(addr->sa_family, SOCK_STREAM, 0);
+ if (fd == -1) {
+ log_err("Failed to create server socket");
+ goto out;
+ }
+
+ if (bind(fd, addr, len) == -1) {
+ log_err("Failed to bind server socket");
+ goto close_out;
+ }
+
+ if (listen(fd, 128) == -1) {
+ log_err("Failed to listen on server socket");
+ goto close_out;
+ }
+
+ goto out;
+
+close_out:
+ close(fd);
+ fd = -1;
+out:
+ return fd;
+}
+
+static int connect_to_server(int server_fd)
+{
+ struct sockaddr_storage addr;
+ socklen_t len = sizeof(addr);
+ int fd = -1;
+
+ if (getsockname(server_fd, (struct sockaddr *)&addr, &len)) {
+ log_err("Failed to get server addr");
+ goto out;
+ }
+
+ fd = socket(addr.ss_family, SOCK_STREAM, 0);
+ if (fd == -1) {
+ log_err("Failed to create client socket");
+ goto out;
+ }
+
+ if (connect(fd, (const struct sockaddr *)&addr, len) == -1) {
+ log_err("Fail to connect to server");
+ goto close_out;
+ }
+
+ goto out;
+
+close_out:
+ close(fd);
+ fd = -1;
+out:
+ return fd;
+}
+
+static int get_map_fd_by_prog_id(int prog_id)
+{
+ struct bpf_prog_info info = {};
+ __u32 info_len = sizeof(info);
+ __u32 map_ids[1];
+ int prog_fd = -1;
+ int map_fd = -1;
+
+ prog_fd = bpf_prog_get_fd_by_id(prog_id);
+ if (prog_fd < 0) {
+ log_err("Failed to get fd by prog id %d", prog_id);
+ goto err;
+ }
+
+ info.nr_map_ids = 1;
+ info.map_ids = (__u64)(unsigned long)map_ids;
+
+ if (bpf_obj_get_info_by_fd(prog_fd, &info, &info_len)) {
+ log_err("Failed to get info by prog fd %d", prog_fd);
+ goto err;
+ }
+
+ if (!info.nr_map_ids) {
+ log_err("No maps found for prog fd %d", prog_fd);
+ goto err;
+ }
+
+ map_fd = bpf_map_get_fd_by_id(map_ids[0]);
+ if (map_fd < 0)
+ log_err("Failed to get fd by map id %d", map_ids[0]);
+err:
+ if (prog_fd >= 0)
+ close(prog_fd);
+ return map_fd;
+}
+
+static int run_test(int server_fd, int results_fd)
+{
+ int client = -1, srv_client = -1;
+ int ret = 0;
+ __u32 key = 0;
+ __u64 value = 0;
+
+ if (bpf_map_update_elem(results_fd, &key, &value, 0) < 0) {
+ log_err("Can't clear results");
+ goto err;
+ }
+
+ client = connect_to_server(server_fd);
+ if (client == -1)
+ goto err;
+
+ srv_client = accept(server_fd, NULL, 0);
+ if (srv_client == -1) {
+ log_err("Can't accept connection");
+ goto err;
+ }
+
+ if (bpf_map_lookup_elem(results_fd, &key, &value) < 0) {
+ log_err("Can't lookup result");
+ goto err;
+ }
+
+ if (value != 1) {
+ log_err("Didn't match syncookie: %llu", value);
+ goto err;
+ }
+
+ goto out;
+
+err:
+ ret = 1;
+out:
+ close(client);
+ close(srv_client);
+ return ret;
+}
+
+int main(int argc, char **argv)
+{
+ struct sockaddr_in addr4;
+ struct sockaddr_in6 addr6;
+ int server = -1;
+ int server_v6 = -1;
+ int results = -1;
+ int err = 0;
+
+ if (argc < 2) {
+ fprintf(stderr, "Usage: %s prog_id\n", argv[0]);
+ exit(1);
+ }
+
+ results = get_map_fd_by_prog_id(atoi(argv[1]));
+ if (results < 0) {
+ log_err("Can't get map");
+ goto err;
+ }
+
+ memset(&addr4, 0, sizeof(addr4));
+ addr4.sin_family = AF_INET;
+ addr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ addr4.sin_port = 0;
+
+ memset(&addr6, 0, sizeof(addr6));
+ addr6.sin6_family = AF_INET6;
+ addr6.sin6_addr = in6addr_loopback;
+ addr6.sin6_port = 0;
+
+ server = start_server((const struct sockaddr *)&addr4, sizeof(addr4));
+ if (server == -1)
+ goto err;
+
+ server_v6 = start_server((const struct sockaddr *)&addr6,
+ sizeof(addr6));
+ if (server_v6 == -1)
+ goto err;
+
+ if (run_test(server, results))
+ goto err;
+
+ if (run_test(server_v6, results))
+ goto err;
+
+ printf("ok\n");
+ goto out;
+err:
+ err = 1;
+out:
+ close(server);
+ close(server_v6);
+ close(results);
+ return err;
+}
diff --git a/tools/testing/selftests/bpf/test_tcp_rtt.c b/tools/testing/selftests/bpf/test_tcp_rtt.c
new file mode 100644
index 000000000000..90c3862f74a8
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tcp_rtt.c
@@ -0,0 +1,254 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <error.h>
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <pthread.h>
+
+#include <linux/filter.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_rlimit.h"
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+
+#define CG_PATH "/tcp_rtt"
+
+struct tcp_rtt_storage {
+ __u32 invoked;
+ __u32 dsack_dups;
+ __u32 delivered;
+ __u32 delivered_ce;
+ __u32 icsk_retransmits;
+};
+
+static void send_byte(int fd)
+{
+ char b = 0x55;
+
+ if (write(fd, &b, sizeof(b)) != 1)
+ error(1, errno, "Failed to send single byte");
+}
+
+static int verify_sk(int map_fd, int client_fd, const char *msg, __u32 invoked,
+ __u32 dsack_dups, __u32 delivered, __u32 delivered_ce,
+ __u32 icsk_retransmits)
+{
+ int err = 0;
+ struct tcp_rtt_storage val;
+
+ if (bpf_map_lookup_elem(map_fd, &client_fd, &val) < 0)
+ error(1, errno, "Failed to read socket storage");
+
+ if (val.invoked != invoked) {
+ log_err("%s: unexpected bpf_tcp_sock.invoked %d != %d",
+ msg, val.invoked, invoked);
+ err++;
+ }
+
+ if (val.dsack_dups != dsack_dups) {
+ log_err("%s: unexpected bpf_tcp_sock.dsack_dups %d != %d",
+ msg, val.dsack_dups, dsack_dups);
+ err++;
+ }
+
+ if (val.delivered != delivered) {
+ log_err("%s: unexpected bpf_tcp_sock.delivered %d != %d",
+ msg, val.delivered, delivered);
+ err++;
+ }
+
+ if (val.delivered_ce != delivered_ce) {
+ log_err("%s: unexpected bpf_tcp_sock.delivered_ce %d != %d",
+ msg, val.delivered_ce, delivered_ce);
+ err++;
+ }
+
+ if (val.icsk_retransmits != icsk_retransmits) {
+ log_err("%s: unexpected bpf_tcp_sock.icsk_retransmits %d != %d",
+ msg, val.icsk_retransmits, icsk_retransmits);
+ err++;
+ }
+
+ return err;
+}
+
+static int connect_to_server(int server_fd)
+{
+ struct sockaddr_storage addr;
+ socklen_t len = sizeof(addr);
+ int fd;
+
+ fd = socket(AF_INET, SOCK_STREAM, 0);
+ if (fd < 0) {
+ log_err("Failed to create client socket");
+ return -1;
+ }
+
+ if (getsockname(server_fd, (struct sockaddr *)&addr, &len)) {
+ log_err("Failed to get server addr");
+ goto out;
+ }
+
+ if (connect(fd, (const struct sockaddr *)&addr, len) < 0) {
+ log_err("Fail to connect to server");
+ goto out;
+ }
+
+ return fd;
+
+out:
+ close(fd);
+ return -1;
+}
+
+static int run_test(int cgroup_fd, int server_fd)
+{
+ struct bpf_prog_load_attr attr = {
+ .prog_type = BPF_PROG_TYPE_SOCK_OPS,
+ .file = "./tcp_rtt.o",
+ .expected_attach_type = BPF_CGROUP_SOCK_OPS,
+ };
+ struct bpf_object *obj;
+ struct bpf_map *map;
+ int client_fd;
+ int prog_fd;
+ int map_fd;
+ int err;
+
+ err = bpf_prog_load_xattr(&attr, &obj, &prog_fd);
+ if (err) {
+ log_err("Failed to load BPF object");
+ return -1;
+ }
+
+ map = bpf_map__next(NULL, obj);
+ map_fd = bpf_map__fd(map);
+
+ err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_SOCK_OPS, 0);
+ if (err) {
+ log_err("Failed to attach BPF program");
+ goto close_bpf_object;
+ }
+
+ client_fd = connect_to_server(server_fd);
+ if (client_fd < 0) {
+ err = -1;
+ goto close_bpf_object;
+ }
+
+ err += verify_sk(map_fd, client_fd, "syn-ack",
+ /*invoked=*/1,
+ /*dsack_dups=*/0,
+ /*delivered=*/1,
+ /*delivered_ce=*/0,
+ /*icsk_retransmits=*/0);
+
+ send_byte(client_fd);
+
+ err += verify_sk(map_fd, client_fd, "first payload byte",
+ /*invoked=*/2,
+ /*dsack_dups=*/0,
+ /*delivered=*/2,
+ /*delivered_ce=*/0,
+ /*icsk_retransmits=*/0);
+
+ close(client_fd);
+
+close_bpf_object:
+ bpf_object__close(obj);
+ return err;
+}
+
+static int start_server(void)
+{
+ struct sockaddr_in addr = {
+ .sin_family = AF_INET,
+ .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
+ };
+ int fd;
+
+ fd = socket(AF_INET, SOCK_STREAM, 0);
+ if (fd < 0) {
+ log_err("Failed to create server socket");
+ return -1;
+ }
+
+ if (bind(fd, (const struct sockaddr *)&addr, sizeof(addr)) < 0) {
+ log_err("Failed to bind socket");
+ close(fd);
+ return -1;
+ }
+
+ return fd;
+}
+
+static void *server_thread(void *arg)
+{
+ struct sockaddr_storage addr;
+ socklen_t len = sizeof(addr);
+ int fd = *(int *)arg;
+ int client_fd;
+
+ if (listen(fd, 1) < 0)
+ error(1, errno, "Failed to listed on socket");
+
+ client_fd = accept(fd, (struct sockaddr *)&addr, &len);
+ if (client_fd < 0)
+ error(1, errno, "Failed to accept client");
+
+ /* Wait for the next connection (that never arrives)
+ * to keep this thread alive to prevent calling
+ * close() on client_fd.
+ */
+ if (accept(fd, (struct sockaddr *)&addr, &len) >= 0)
+ error(1, errno, "Unexpected success in second accept");
+
+ close(client_fd);
+
+ return NULL;
+}
+
+int main(int args, char **argv)
+{
+ int server_fd, cgroup_fd;
+ int err = EXIT_SUCCESS;
+ pthread_t tid;
+
+ if (setup_cgroup_environment())
+ goto cleanup_obj;
+
+ cgroup_fd = create_and_get_cgroup(CG_PATH);
+ if (cgroup_fd < 0)
+ goto cleanup_cgroup_env;
+
+ if (join_cgroup(CG_PATH))
+ goto cleanup_cgroup;
+
+ server_fd = start_server();
+ if (server_fd < 0) {
+ err = EXIT_FAILURE;
+ goto cleanup_cgroup;
+ }
+
+ pthread_create(&tid, NULL, server_thread, (void *)&server_fd);
+
+ if (run_test(cgroup_fd, server_fd))
+ err = EXIT_FAILURE;
+
+ close(server_fd);
+
+ printf("test_sockopt_sk: %s\n",
+ err == EXIT_SUCCESS ? "PASSED" : "FAILED");
+
+cleanup_cgroup:
+ close(cgroup_fd);
+cleanup_cgroup_env:
+ cleanup_cgroup_environment();
+cleanup_obj:
+ return err;
+}
diff --git a/tools/testing/selftests/bpf/test_tcpnotify_user.c b/tools/testing/selftests/bpf/test_tcpnotify_user.c
index 4e4353711a86..86152d9ae95b 100644
--- a/tools/testing/selftests/bpf/test_tcpnotify_user.c
+++ b/tools/testing/selftests/bpf/test_tcpnotify_user.c
@@ -148,17 +148,17 @@ int main(int argc, char **argv)
pthread_create(&tid, NULL, poller_thread, (void *)&pmu_fd);
sprintf(test_script,
- "/usr/sbin/iptables -A INPUT -p tcp --dport %d -j DROP",
+ "iptables -A INPUT -p tcp --dport %d -j DROP",
TESTPORT);
system(test_script);
sprintf(test_script,
- "/usr/bin/nc 127.0.0.1 %d < /etc/passwd > /dev/null 2>&1 ",
+ "nc 127.0.0.1 %d < /etc/passwd > /dev/null 2>&1 ",
TESTPORT);
system(test_script);
sprintf(test_script,
- "/usr/sbin/iptables -D INPUT -p tcp --dport %d -j DROP",
+ "iptables -D INPUT -p tcp --dport %d -j DROP",
TESTPORT);
system(test_script);
diff --git a/tools/testing/selftests/bpf/test_tunnel.sh b/tools/testing/selftests/bpf/test_tunnel.sh
index 546aee3e9fb4..bd12ec97a44d 100755
--- a/tools/testing/selftests/bpf/test_tunnel.sh
+++ b/tools/testing/selftests/bpf/test_tunnel.sh
@@ -696,30 +696,57 @@ check_err()
bpf_tunnel_test()
{
+ local errors=0
+
echo "Testing GRE tunnel..."
test_gre
+ errors=$(( $errors + $? ))
+
echo "Testing IP6GRE tunnel..."
test_ip6gre
+ errors=$(( $errors + $? ))
+
echo "Testing IP6GRETAP tunnel..."
test_ip6gretap
+ errors=$(( $errors + $? ))
+
echo "Testing ERSPAN tunnel..."
test_erspan v2
+ errors=$(( $errors + $? ))
+
echo "Testing IP6ERSPAN tunnel..."
test_ip6erspan v2
+ errors=$(( $errors + $? ))
+
echo "Testing VXLAN tunnel..."
test_vxlan
+ errors=$(( $errors + $? ))
+
echo "Testing IP6VXLAN tunnel..."
test_ip6vxlan
+ errors=$(( $errors + $? ))
+
echo "Testing GENEVE tunnel..."
test_geneve
+ errors=$(( $errors + $? ))
+
echo "Testing IP6GENEVE tunnel..."
test_ip6geneve
+ errors=$(( $errors + $? ))
+
echo "Testing IPIP tunnel..."
test_ipip
+ errors=$(( $errors + $? ))
+
echo "Testing IPIP6 tunnel..."
test_ipip6
+ errors=$(( $errors + $? ))
+
echo "Testing IPSec tunnel..."
test_xfrm_tunnel
+ errors=$(( $errors + $? ))
+
+ return $errors
}
trap cleanup 0 3 6
@@ -728,4 +755,9 @@ trap cleanup_exit 2 9
cleanup
bpf_tunnel_test
+if [ $? -ne 0 ]; then
+ echo -e "$(basename $0): ${RED}FAIL${NC}"
+ exit 1
+fi
+echo -e "$(basename $0): ${GREEN}PASS${NC}"
exit 0
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 2fd90d456892..b0773291012a 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Testsuite for eBPF verifier
*
* Copyright (c) 2014 PLUMgrid, http://plumgrid.com
* Copyright (c) 2017 Facebook
* Copyright (c) 2018 Covalent IO, Inc. http://covalent.io
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
*/
#include <endian.h>
@@ -32,8 +29,10 @@
#include <linux/bpf_perf_event.h>
#include <linux/bpf.h>
#include <linux/if_ether.h>
+#include <linux/btf.h>
#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
#ifdef HAVE_GENHDR
# include "autoconf.h"
@@ -45,11 +44,13 @@
#include "bpf_rlimit.h"
#include "bpf_rand.h"
#include "bpf_util.h"
+#include "test_btf.h"
#include "../../../include/linux/filter.h"
#define MAX_INSNS BPF_MAXINSNS
+#define MAX_TEST_INSNS 1000000
#define MAX_FIXUPS 8
-#define MAX_NR_MAPS 13
+#define MAX_NR_MAPS 18
#define MAX_TEST_RUNS 8
#define POINTER_VALUE 0xcafe4all
#define TEST_DATA_LEN 64
@@ -59,10 +60,12 @@
#define UNPRIV_SYSCTL "kernel/unprivileged_bpf_disabled"
static bool unpriv_disabled = false;
+static int skips;
struct bpf_test {
const char *descr;
struct bpf_insn insns[MAX_INSNS];
+ struct bpf_insn *fill_insns;
int fixup_map_hash_8b[MAX_FIXUPS];
int fixup_map_hash_48b[MAX_FIXUPS];
int fixup_map_hash_16b[MAX_FIXUPS];
@@ -76,9 +79,15 @@ struct bpf_test {
int fixup_map_in_map[MAX_FIXUPS];
int fixup_cgroup_storage[MAX_FIXUPS];
int fixup_percpu_cgroup_storage[MAX_FIXUPS];
+ int fixup_map_spin_lock[MAX_FIXUPS];
+ int fixup_map_array_ro[MAX_FIXUPS];
+ int fixup_map_array_wo[MAX_FIXUPS];
+ int fixup_map_array_small[MAX_FIXUPS];
+ int fixup_sk_storage_map[MAX_FIXUPS];
const char *errstr;
const char *errstr_unpriv;
uint32_t retval, retval_unpriv, insn_processed;
+ int prog_len;
enum {
UNDEF,
ACCEPT,
@@ -96,6 +105,7 @@ struct bpf_test {
__u64 data64[TEST_DATA_LEN / 8];
};
} retvals[MAX_TEST_RUNS];
+ enum bpf_attach_type expected_attach_type;
};
/* Note we want this to be 64 bit aligned so that the end of our array is
@@ -115,49 +125,61 @@ struct other_val {
static void bpf_fill_ld_abs_vlan_push_pop(struct bpf_test *self)
{
- /* test: {skb->data[0], vlan_push} x 68 + {skb->data[0], vlan_pop} x 68 */
+ /* test: {skb->data[0], vlan_push} x 51 + {skb->data[0], vlan_pop} x 51 */
#define PUSH_CNT 51
- unsigned int len = BPF_MAXINSNS;
- struct bpf_insn *insn = self->insns;
+ /* jump range is limited to 16 bit. PUSH_CNT of ld_abs needs room */
+ unsigned int len = (1 << 15) - PUSH_CNT * 2 * 5 * 6;
+ struct bpf_insn *insn = self->fill_insns;
int i = 0, j, k = 0;
insn[i++] = BPF_MOV64_REG(BPF_REG_6, BPF_REG_1);
loop:
for (j = 0; j < PUSH_CNT; j++) {
insn[i++] = BPF_LD_ABS(BPF_B, 0);
- insn[i] = BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x34, len - i - 2);
+ /* jump to error label */
+ insn[i] = BPF_JMP32_IMM(BPF_JNE, BPF_REG_0, 0x34, len - i - 3);
i++;
insn[i++] = BPF_MOV64_REG(BPF_REG_1, BPF_REG_6);
insn[i++] = BPF_MOV64_IMM(BPF_REG_2, 1);
insn[i++] = BPF_MOV64_IMM(BPF_REG_3, 2);
insn[i++] = BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
BPF_FUNC_skb_vlan_push),
- insn[i] = BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, len - i - 2);
+ insn[i] = BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, len - i - 3);
i++;
}
for (j = 0; j < PUSH_CNT; j++) {
insn[i++] = BPF_LD_ABS(BPF_B, 0);
- insn[i] = BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x34, len - i - 2);
+ insn[i] = BPF_JMP32_IMM(BPF_JNE, BPF_REG_0, 0x34, len - i - 3);
i++;
insn[i++] = BPF_MOV64_REG(BPF_REG_1, BPF_REG_6);
insn[i++] = BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
BPF_FUNC_skb_vlan_pop),
- insn[i] = BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, len - i - 2);
+ insn[i] = BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, len - i - 3);
i++;
}
if (++k < 5)
goto loop;
- for (; i < len - 1; i++)
- insn[i] = BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 0xbef);
+ for (; i < len - 3; i++)
+ insn[i] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0xbef);
+ insn[len - 3] = BPF_JMP_A(1);
+ /* error label */
+ insn[len - 2] = BPF_MOV32_IMM(BPF_REG_0, 0);
insn[len - 1] = BPF_EXIT_INSN();
+ self->prog_len = len;
}
static void bpf_fill_jump_around_ld_abs(struct bpf_test *self)
{
- struct bpf_insn *insn = self->insns;
- unsigned int len = BPF_MAXINSNS;
+ struct bpf_insn *insn = self->fill_insns;
+ /* jump range is limited to 16 bit. every ld_abs is replaced by 6 insns,
+ * but on arches like arm, ppc etc, there will be one BPF_ZEXT inserted
+ * to extend the error value of the inlined ld_abs sequence which then
+ * contains 7 insns. so, set the dividend to 7 so the testcase could
+ * work on all arches.
+ */
+ unsigned int len = (1 << 15) / 7;
int i = 0;
insn[i++] = BPF_MOV64_REG(BPF_REG_6, BPF_REG_1);
@@ -167,11 +189,12 @@ static void bpf_fill_jump_around_ld_abs(struct bpf_test *self)
while (i < len - 1)
insn[i++] = BPF_LD_ABS(BPF_B, 1);
insn[i] = BPF_EXIT_INSN();
+ self->prog_len = i + 1;
}
static void bpf_fill_rand_ld_dw(struct bpf_test *self)
{
- struct bpf_insn *insn = self->insns;
+ struct bpf_insn *insn = self->fill_insns;
uint64_t res = 0;
int i = 0;
@@ -189,12 +212,83 @@ static void bpf_fill_rand_ld_dw(struct bpf_test *self)
insn[i++] = BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 32);
insn[i++] = BPF_ALU64_REG(BPF_XOR, BPF_REG_0, BPF_REG_1);
insn[i] = BPF_EXIT_INSN();
+ self->prog_len = i + 1;
res ^= (res >> 32);
self->retval = (uint32_t)res;
}
+#define MAX_JMP_SEQ 8192
+
+/* test the sequence of 8k jumps */
+static void bpf_fill_scale1(struct bpf_test *self)
+{
+ struct bpf_insn *insn = self->fill_insns;
+ int i = 0, k = 0;
+
+ insn[i++] = BPF_MOV64_REG(BPF_REG_6, BPF_REG_1);
+ /* test to check that the long sequence of jumps is acceptable */
+ while (k++ < MAX_JMP_SEQ) {
+ insn[i++] = BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_get_prandom_u32);
+ insn[i++] = BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, bpf_semi_rand_get(), 2);
+ insn[i++] = BPF_MOV64_REG(BPF_REG_1, BPF_REG_10);
+ insn[i++] = BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6,
+ -8 * (k % 64 + 1));
+ }
+ /* is_state_visited() doesn't allocate state for pruning for every jump.
+ * Hence multiply jmps by 4 to accommodate that heuristic
+ */
+ while (i < MAX_TEST_INSNS - MAX_JMP_SEQ * 4)
+ insn[i++] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 42);
+ insn[i] = BPF_EXIT_INSN();
+ self->prog_len = i + 1;
+ self->retval = 42;
+}
+
+/* test the sequence of 8k jumps in inner most function (function depth 8)*/
+static void bpf_fill_scale2(struct bpf_test *self)
+{
+ struct bpf_insn *insn = self->fill_insns;
+ int i = 0, k = 0;
+
+#define FUNC_NEST 7
+ for (k = 0; k < FUNC_NEST; k++) {
+ insn[i++] = BPF_CALL_REL(1);
+ insn[i++] = BPF_EXIT_INSN();
+ }
+ insn[i++] = BPF_MOV64_REG(BPF_REG_6, BPF_REG_1);
+ /* test to check that the long sequence of jumps is acceptable */
+ k = 0;
+ while (k++ < MAX_JMP_SEQ) {
+ insn[i++] = BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_get_prandom_u32);
+ insn[i++] = BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, bpf_semi_rand_get(), 2);
+ insn[i++] = BPF_MOV64_REG(BPF_REG_1, BPF_REG_10);
+ insn[i++] = BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6,
+ -8 * (k % (64 - 4 * FUNC_NEST) + 1));
+ }
+ while (i < MAX_TEST_INSNS - MAX_JMP_SEQ * 4)
+ insn[i++] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 42);
+ insn[i] = BPF_EXIT_INSN();
+ self->prog_len = i + 1;
+ self->retval = 42;
+}
+
+static void bpf_fill_scale(struct bpf_test *self)
+{
+ switch (self->retval) {
+ case 1:
+ return bpf_fill_scale1(self);
+ case 2:
+ return bpf_fill_scale2(self);
+ default:
+ self->prog_len = 0;
+ break;
+ }
+}
+
/* BPF_SK_LOOKUP contains 13 instructions, if you need to fix up maps */
-#define BPF_SK_LOOKUP \
+#define BPF_SK_LOOKUP(func) \
/* struct bpf_sock_tuple tuple = {} */ \
BPF_MOV64_IMM(BPF_REG_2, 0), \
BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_2, -8), \
@@ -203,15402 +297,54 @@ static void bpf_fill_rand_ld_dw(struct bpf_test *self)
BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -32), \
BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -40), \
BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -48), \
- /* sk = sk_lookup_tcp(ctx, &tuple, sizeof tuple, 0, 0) */ \
+ /* sk = func(ctx, &tuple, sizeof tuple, 0, 0) */ \
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), \
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -48), \
BPF_MOV64_IMM(BPF_REG_3, sizeof(struct bpf_sock_tuple)), \
BPF_MOV64_IMM(BPF_REG_4, 0), \
BPF_MOV64_IMM(BPF_REG_5, 0), \
- BPF_EMIT_CALL(BPF_FUNC_sk_lookup_tcp)
-
-static struct bpf_test tests[] = {
- {
- "add+sub+mul",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 1),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 2),
- BPF_MOV64_IMM(BPF_REG_2, 3),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1),
- BPF_ALU64_IMM(BPF_MUL, BPF_REG_1, 3),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = -3,
- },
- {
- "DIV32 by 0, zero check 1",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 42),
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_2, 1),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "DIV32 by 0, zero check 2",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 42),
- BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
- BPF_MOV32_IMM(BPF_REG_2, 1),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "DIV64 by 0, zero check",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 42),
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_2, 1),
- BPF_ALU64_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "MOD32 by 0, zero check 1",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 42),
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_2, 1),
- BPF_ALU32_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "MOD32 by 0, zero check 2",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 42),
- BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
- BPF_MOV32_IMM(BPF_REG_2, 1),
- BPF_ALU32_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "MOD64 by 0, zero check",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 42),
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_2, 1),
- BPF_ALU64_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "DIV32 by 0, zero check ok, cls",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 42),
- BPF_MOV32_IMM(BPF_REG_1, 2),
- BPF_MOV32_IMM(BPF_REG_2, 16),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 8,
- },
- {
- "DIV32 by 0, zero check 1, cls",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_0, 1),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "DIV32 by 0, zero check 2, cls",
- .insns = {
- BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
- BPF_MOV32_IMM(BPF_REG_0, 1),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "DIV64 by 0, zero check, cls",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_0, 1),
- BPF_ALU64_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "MOD32 by 0, zero check ok, cls",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 42),
- BPF_MOV32_IMM(BPF_REG_1, 3),
- BPF_MOV32_IMM(BPF_REG_2, 5),
- BPF_ALU32_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 2,
- },
- {
- "MOD32 by 0, zero check 1, cls",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_0, 1),
- BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "MOD32 by 0, zero check 2, cls",
- .insns = {
- BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
- BPF_MOV32_IMM(BPF_REG_0, 1),
- BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "MOD64 by 0, zero check 1, cls",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_0, 2),
- BPF_ALU64_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 2,
- },
- {
- "MOD64 by 0, zero check 2, cls",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_0, -1),
- BPF_ALU64_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = -1,
- },
- /* Just make sure that JITs used udiv/umod as otherwise we get
- * an exception from INT_MIN/-1 overflow similarly as with div
- * by zero.
- */
- {
- "DIV32 overflow, check 1",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, -1),
- BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "DIV32 overflow, check 2",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
- BPF_ALU32_IMM(BPF_DIV, BPF_REG_0, -1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "DIV64 overflow, check 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, -1),
- BPF_LD_IMM64(BPF_REG_0, LLONG_MIN),
- BPF_ALU64_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "DIV64 overflow, check 2",
- .insns = {
- BPF_LD_IMM64(BPF_REG_0, LLONG_MIN),
- BPF_ALU64_IMM(BPF_DIV, BPF_REG_0, -1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "MOD32 overflow, check 1",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, -1),
- BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
- BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = INT_MIN,
- },
- {
- "MOD32 overflow, check 2",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
- BPF_ALU32_IMM(BPF_MOD, BPF_REG_0, -1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = INT_MIN,
- },
- {
- "MOD64 overflow, check 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, -1),
- BPF_LD_IMM64(BPF_REG_2, LLONG_MIN),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
- BPF_ALU64_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
- BPF_MOV32_IMM(BPF_REG_0, 0),
- BPF_JMP_REG(BPF_JNE, BPF_REG_3, BPF_REG_2, 1),
- BPF_MOV32_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "MOD64 overflow, check 2",
- .insns = {
- BPF_LD_IMM64(BPF_REG_2, LLONG_MIN),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
- BPF_ALU64_IMM(BPF_MOD, BPF_REG_2, -1),
- BPF_MOV32_IMM(BPF_REG_0, 0),
- BPF_JMP_REG(BPF_JNE, BPF_REG_3, BPF_REG_2, 1),
- BPF_MOV32_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "xor32 zero extend check",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_2, -1),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 32),
- BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 0xffff),
- BPF_ALU32_REG(BPF_XOR, BPF_REG_2, BPF_REG_2),
- BPF_MOV32_IMM(BPF_REG_0, 2),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 1),
- BPF_MOV32_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "empty prog",
- .insns = {
- },
- .errstr = "unknown opcode 00",
- .result = REJECT,
- },
- {
- "only exit insn",
- .insns = {
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 !read_ok",
- .result = REJECT,
- },
- {
- "unreachable",
- .insns = {
- BPF_EXIT_INSN(),
- BPF_EXIT_INSN(),
- },
- .errstr = "unreachable",
- .result = REJECT,
- },
- {
- "unreachable2",
- .insns = {
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "unreachable",
- .result = REJECT,
- },
- {
- "out of range jump",
- .insns = {
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "jump out of range",
- .result = REJECT,
- },
- {
- "out of range jump2",
- .insns = {
- BPF_JMP_IMM(BPF_JA, 0, 0, -2),
- BPF_EXIT_INSN(),
- },
- .errstr = "jump out of range",
- .result = REJECT,
- },
- {
- "test1 ld_imm64",
- .insns = {
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_LD_IMM64(BPF_REG_0, 0),
- BPF_LD_IMM64(BPF_REG_0, 0),
- BPF_LD_IMM64(BPF_REG_0, 1),
- BPF_LD_IMM64(BPF_REG_0, 1),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid BPF_LD_IMM insn",
- .errstr_unpriv = "R1 pointer comparison",
- .result = REJECT,
- },
- {
- "test2 ld_imm64",
- .insns = {
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_LD_IMM64(BPF_REG_0, 0),
- BPF_LD_IMM64(BPF_REG_0, 0),
- BPF_LD_IMM64(BPF_REG_0, 1),
- BPF_LD_IMM64(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid BPF_LD_IMM insn",
- .errstr_unpriv = "R1 pointer comparison",
- .result = REJECT,
- },
- {
- "test3 ld_imm64",
- .insns = {
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
- BPF_LD_IMM64(BPF_REG_0, 0),
- BPF_LD_IMM64(BPF_REG_0, 0),
- BPF_LD_IMM64(BPF_REG_0, 1),
- BPF_LD_IMM64(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_ld_imm64 insn",
- .result = REJECT,
- },
- {
- "test4 ld_imm64",
- .insns = {
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_ld_imm64 insn",
- .result = REJECT,
- },
- {
- "test5 ld_imm64",
- .insns = {
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
- },
- .errstr = "invalid bpf_ld_imm64 insn",
- .result = REJECT,
- },
- {
- "test6 ld_imm64",
- .insns = {
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
- BPF_RAW_INSN(0, 0, 0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "test7 ld_imm64",
- .insns = {
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
- BPF_RAW_INSN(0, 0, 0, 0, 1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "test8 ld_imm64",
- .insns = {
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 1, 1),
- BPF_RAW_INSN(0, 0, 0, 0, 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "uses reserved fields",
- .result = REJECT,
- },
- {
- "test9 ld_imm64",
- .insns = {
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
- BPF_RAW_INSN(0, 0, 0, 1, 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_ld_imm64 insn",
- .result = REJECT,
- },
- {
- "test10 ld_imm64",
- .insns = {
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
- BPF_RAW_INSN(0, BPF_REG_1, 0, 0, 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_ld_imm64 insn",
- .result = REJECT,
- },
- {
- "test11 ld_imm64",
- .insns = {
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
- BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_ld_imm64 insn",
- .result = REJECT,
- },
- {
- "test12 ld_imm64",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1),
- BPF_RAW_INSN(0, 0, 0, 0, 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "not pointing to valid bpf_map",
- .result = REJECT,
- },
- {
- "test13 ld_imm64",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1),
- BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_ld_imm64 insn",
- .result = REJECT,
- },
- {
- "arsh32 on imm",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 5),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "arsh32 on imm 2",
- .insns = {
- BPF_LD_IMM64(BPF_REG_0, 0x1122334485667788),
- BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 7),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = -16069393,
- },
- {
- "arsh32 on reg",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_MOV64_IMM(BPF_REG_1, 5),
- BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "arsh32 on reg 2",
- .insns = {
- BPF_LD_IMM64(BPF_REG_0, 0xffff55667788),
- BPF_MOV64_IMM(BPF_REG_1, 15),
- BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 43724,
- },
- {
- "arsh64 on imm",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_0, 5),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "arsh64 on reg",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_MOV64_IMM(BPF_REG_1, 5),
- BPF_ALU64_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "no bpf_exit",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_0, BPF_REG_2),
- },
- .errstr = "not an exit",
- .result = REJECT,
- },
- {
- "loop (back-edge)",
- .insns = {
- BPF_JMP_IMM(BPF_JA, 0, 0, -1),
- BPF_EXIT_INSN(),
- },
- .errstr = "back-edge",
- .result = REJECT,
- },
- {
- "loop2 (back-edge)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
- BPF_JMP_IMM(BPF_JA, 0, 0, -4),
- BPF_EXIT_INSN(),
- },
- .errstr = "back-edge",
- .result = REJECT,
- },
- {
- "conditional loop",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -3),
- BPF_EXIT_INSN(),
- },
- .errstr = "back-edge",
- .result = REJECT,
- },
- {
- "read uninitialized register",
- .insns = {
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .errstr = "R2 !read_ok",
- .result = REJECT,
- },
- {
- "read invalid register",
- .insns = {
- BPF_MOV64_REG(BPF_REG_0, -1),
- BPF_EXIT_INSN(),
- },
- .errstr = "R15 is invalid",
- .result = REJECT,
- },
- {
- "program doesn't init R0 before exit",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 !read_ok",
- .result = REJECT,
- },
- {
- "program doesn't init R0 before exit in all branches",
- .insns = {
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 !read_ok",
- .errstr_unpriv = "R1 pointer comparison",
- .result = REJECT,
- },
- {
- "stack out of bounds",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, 8, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid stack",
- .result = REJECT,
- },
- {
- "invalid call insn1",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL | BPF_X, 0, 0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "unknown opcode 8d",
- .result = REJECT,
- },
- {
- "invalid call insn2",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 1, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "BPF_CALL uses reserved",
- .result = REJECT,
- },
- {
- "invalid function call",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, 1234567),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid func unknown#1234567",
- .result = REJECT,
- },
- {
- "uninitialized stack1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 2 },
- .errstr = "invalid indirect read from stack",
- .result = REJECT,
- },
- {
- "uninitialized stack2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -8),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid read from stack",
- .result = REJECT,
- },
- {
- "invalid fp arithmetic",
- /* If this gets ever changed, make sure JITs can deal with it. */
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 8),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 subtraction from stack pointer",
- .result = REJECT,
- },
- {
- "non-invalid fp arithmetic",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "invalid argument register",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_cgroup_classid),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_cgroup_classid),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 !read_ok",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "non-invalid argument register",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_cgroup_classid),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_1, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_cgroup_classid),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "check valid spill/fill",
- .insns = {
- /* spill R1(ctx) into stack */
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- /* fill it back into R2 */
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8),
- /* should be able to access R0 = *(R2 + 8) */
- /* BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 8), */
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R0 leaks addr",
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .retval = POINTER_VALUE,
- },
- {
- "check valid spill/fill, skb mark",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = ACCEPT,
- },
- {
- "check corrupted spill/fill",
- .insns = {
- /* spill R1(ctx) into stack */
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- /* mess up with R1 pointer on stack */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -7, 0x23),
- /* fill back into R0 is fine for priv.
- * R0 now becomes SCALAR_VALUE.
- */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- /* Load from R0 should fail. */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "attempt to corrupt spilled",
- .errstr = "R0 invalid mem access 'inv",
- .result = REJECT,
- },
- {
- "check corrupted spill/fill, LSB",
- .insns = {
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- BPF_ST_MEM(BPF_H, BPF_REG_10, -8, 0xcafe),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "attempt to corrupt spilled",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .retval = POINTER_VALUE,
- },
- {
- "check corrupted spill/fill, MSB",
- .insns = {
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0x12345678),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "attempt to corrupt spilled",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .retval = POINTER_VALUE,
- },
- {
- "invalid src register in STX",
- .insns = {
- BPF_STX_MEM(BPF_B, BPF_REG_10, -1, -1),
- BPF_EXIT_INSN(),
- },
- .errstr = "R15 is invalid",
- .result = REJECT,
- },
- {
- "invalid dst register in STX",
- .insns = {
- BPF_STX_MEM(BPF_B, 14, BPF_REG_10, -1),
- BPF_EXIT_INSN(),
- },
- .errstr = "R14 is invalid",
- .result = REJECT,
- },
- {
- "invalid dst register in ST",
- .insns = {
- BPF_ST_MEM(BPF_B, 14, -1, -1),
- BPF_EXIT_INSN(),
- },
- .errstr = "R14 is invalid",
- .result = REJECT,
- },
- {
- "invalid src register in LDX",
- .insns = {
- BPF_LDX_MEM(BPF_B, BPF_REG_0, 12, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R12 is invalid",
- .result = REJECT,
- },
- {
- "invalid dst register in LDX",
- .insns = {
- BPF_LDX_MEM(BPF_B, 11, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R11 is invalid",
- .result = REJECT,
- },
- {
- "junk insn",
- .insns = {
- BPF_RAW_INSN(0, 0, 0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "unknown opcode 00",
- .result = REJECT,
- },
- {
- "junk insn2",
- .insns = {
- BPF_RAW_INSN(1, 0, 0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "BPF_LDX uses reserved fields",
- .result = REJECT,
- },
- {
- "junk insn3",
- .insns = {
- BPF_RAW_INSN(-1, 0, 0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "unknown opcode ff",
- .result = REJECT,
- },
- {
- "junk insn4",
- .insns = {
- BPF_RAW_INSN(-1, -1, -1, -1, -1),
- BPF_EXIT_INSN(),
- },
- .errstr = "unknown opcode ff",
- .result = REJECT,
- },
- {
- "junk insn5",
- .insns = {
- BPF_RAW_INSN(0x7f, -1, -1, -1, -1),
- BPF_EXIT_INSN(),
- },
- .errstr = "BPF_ALU uses reserved fields",
- .result = REJECT,
- },
- {
- "misaligned read from stack",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -4),
- BPF_EXIT_INSN(),
- },
- .errstr = "misaligned stack access",
- .result = REJECT,
- },
- {
- "invalid map_fd for function call",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_delete_elem),
- BPF_EXIT_INSN(),
- },
- .errstr = "fd 0 is not pointing to valid bpf_map",
- .result = REJECT,
- },
- {
- "don't check return value before access",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "R0 invalid mem access 'map_value_or_null'",
- .result = REJECT,
- },
- {
- "access memory with incorrect alignment",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 4, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "misaligned value access",
- .result = REJECT,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "sometimes access memory with incorrect alignment",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "R0 invalid mem access",
- .errstr_unpriv = "R0 leaks addr",
- .result = REJECT,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "jump test 1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R1 pointer comparison",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "jump test 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 14),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 11),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 5),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R1 pointer comparison",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "jump test 3",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 19),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 3),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_JMP_IMM(BPF_JA, 0, 0, 15),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 3),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -32),
- BPF_JMP_IMM(BPF_JA, 0, 0, 11),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 3),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -40),
- BPF_JMP_IMM(BPF_JA, 0, 0, 7),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 3),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -48),
- BPF_JMP_IMM(BPF_JA, 0, 0, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -56),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_delete_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 24 },
- .errstr_unpriv = "R1 pointer comparison",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .retval = -ENOENT,
- },
- {
- "jump test 4",
- .insns = {
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R1 pointer comparison",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "jump test 5",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JA, 0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R1 pointer comparison",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "access skb fields ok",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, pkt_type)),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, queue_mapping)),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, protocol)),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, vlan_present)),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, vlan_tci)),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, napi_id)),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "access skb fields bad1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -4),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "access skb fields bad2",
- .insns = {
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, pkt_type)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .errstr = "different pointers",
- .errstr_unpriv = "R1 pointer comparison",
- .result = REJECT,
- },
- {
- "access skb fields bad3",
- .insns = {
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, pkt_type)),
- BPF_EXIT_INSN(),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JA, 0, 0, -12),
- },
- .fixup_map_hash_8b = { 6 },
- .errstr = "different pointers",
- .errstr_unpriv = "R1 pointer comparison",
- .result = REJECT,
- },
- {
- "access skb fields bad4",
- .insns = {
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 3),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JA, 0, 0, -13),
- },
- .fixup_map_hash_8b = { 7 },
- .errstr = "different pointers",
- .errstr_unpriv = "R1 pointer comparison",
- .result = REJECT,
- },
- {
- "invalid access __sk_buff family",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, family)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "invalid access __sk_buff remote_ip4",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip4)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "invalid access __sk_buff local_ip4",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip4)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "invalid access __sk_buff remote_ip6",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "invalid access __sk_buff local_ip6",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "invalid access __sk_buff remote_port",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, remote_port)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "invalid access __sk_buff remote_port",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, local_port)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "valid access __sk_buff family",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, family)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "valid access __sk_buff remote_ip4",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip4)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "valid access __sk_buff local_ip4",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip4)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "valid access __sk_buff remote_ip6",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[3])),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "valid access __sk_buff local_ip6",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[3])),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "valid access __sk_buff remote_port",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, remote_port)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "valid access __sk_buff remote_port",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, local_port)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "invalid access of tc_classid for SK_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_classid)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- .errstr = "invalid bpf_context access",
- },
- {
- "invalid access of skb->mark for SK_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- .errstr = "invalid bpf_context access",
- },
- {
- "check skb->mark is not writeable by SK_SKB",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- .errstr = "invalid bpf_context access",
- },
- {
- "check skb->tc_index is writeable by SK_SKB",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, tc_index)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "check skb->priority is writeable by SK_SKB",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, priority)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "direct packet read for SK_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "direct packet write for SK_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "overlapping checks for direct packet access SK_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "valid access family in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, family)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "valid access remote_ip4 in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, remote_ip4)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "valid access local_ip4 in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, local_ip4)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "valid access remote_port in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, remote_port)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "valid access local_port in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, local_port)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "valid access remote_ip6 in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, remote_ip6[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, remote_ip6[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, remote_ip6[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, remote_ip6[3])),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "valid access local_ip6 in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, local_ip6[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, local_ip6[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, local_ip6[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, local_ip6[3])),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_SKB,
- },
- {
- "valid access size in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct sk_msg_md, size)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "invalid 64B read of size in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
- offsetof(struct sk_msg_md, size)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "invalid read past end of SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct sk_msg_md, size) + 4),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "invalid read offset in SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct sk_msg_md, family) + 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "direct packet read for SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
- offsetof(struct sk_msg_md, data)),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
- offsetof(struct sk_msg_md, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "direct packet write for SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
- offsetof(struct sk_msg_md, data)),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
- offsetof(struct sk_msg_md, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "overlapping checks for direct packet access SK_MSG",
- .insns = {
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
- offsetof(struct sk_msg_md, data)),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
- offsetof(struct sk_msg_md, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SK_MSG,
- },
- {
- "check skb->mark is not writeable by sockets",
- .insns = {
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .errstr_unpriv = "R1 leaks addr",
- .result = REJECT,
- },
- {
- "check skb->tc_index is not writeable by sockets",
- .insns = {
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, tc_index)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .errstr_unpriv = "R1 leaks addr",
- .result = REJECT,
- },
- {
- "check cb access: byte",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0])),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0]) + 1),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0]) + 2),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0]) + 3),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[1])),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[1]) + 1),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[1]) + 2),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[1]) + 3),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[2])),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[2]) + 1),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[2]) + 2),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[2]) + 3),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[3])),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[3]) + 1),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[3]) + 2),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[3]) + 3),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4])),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4]) + 1),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4]) + 2),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4]) + 3),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0])),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0]) + 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0]) + 2),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0]) + 3),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[1])),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[1]) + 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[1]) + 2),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[1]) + 3),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2])),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2]) + 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2]) + 2),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2]) + 3),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[3])),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[3]) + 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[3]) + 2),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[3]) + 3),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4])),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4]) + 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4]) + 2),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4]) + 3),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "__sk_buff->hash, offset 0, byte store not permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, hash)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "__sk_buff->tc_index, offset 3, byte store not permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, tc_index) + 3),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "check skb->hash byte load permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash)),
-#else
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 3),
-#endif
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check skb->hash byte load permitted 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check skb->hash byte load permitted 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 2),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check skb->hash byte load permitted 3",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 3),
-#else
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash)),
-#endif
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check cb access: byte, wrong type",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0])),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "check cb access: half",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0])),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0]) + 2),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[1])),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[1]) + 2),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[2])),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[2]) + 2),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[3])),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[3]) + 2),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4])),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4]) + 2),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0])),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0]) + 2),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[1])),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[1]) + 2),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2])),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2]) + 2),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[3])),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[3]) + 2),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4])),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4]) + 2),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check cb access: half, unaligned",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0]) + 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "misaligned context access",
- .result = REJECT,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "check __sk_buff->hash, offset 0, half store not permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, hash)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "check __sk_buff->tc_index, offset 2, half store not permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, tc_index) + 2),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "check skb->hash half load permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash)),
-#else
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 2),
-#endif
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check skb->hash half load permitted 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 2),
-#else
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash)),
-#endif
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check skb->hash half load not permitted, unaligned 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 1),
-#else
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 3),
-#endif
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "check skb->hash half load not permitted, unaligned 3",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 3),
-#else
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, hash) + 1),
-#endif
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "check cb access: half, wrong type",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0])),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "check cb access: word",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[1])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[2])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[3])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[3])),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4])),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check cb access: word, unaligned 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0]) + 2),
- BPF_EXIT_INSN(),
- },
- .errstr = "misaligned context access",
- .result = REJECT,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "check cb access: word, unaligned 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4]) + 1),
- BPF_EXIT_INSN(),
- },
- .errstr = "misaligned context access",
- .result = REJECT,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "check cb access: word, unaligned 3",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4]) + 2),
- BPF_EXIT_INSN(),
- },
- .errstr = "misaligned context access",
- .result = REJECT,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "check cb access: word, unaligned 4",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4]) + 3),
- BPF_EXIT_INSN(),
- },
- .errstr = "misaligned context access",
- .result = REJECT,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "check cb access: double",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0])),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[2])),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0])),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2])),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check cb access: double, unaligned 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[1])),
- BPF_EXIT_INSN(),
- },
- .errstr = "misaligned context access",
- .result = REJECT,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "check cb access: double, unaligned 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[3])),
- BPF_EXIT_INSN(),
- },
- .errstr = "misaligned context access",
- .result = REJECT,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "check cb access: double, oob 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[4])),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "check cb access: double, oob 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4])),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "check __sk_buff->ifindex dw store not permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, ifindex)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "check __sk_buff->ifindex dw load not permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, ifindex)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "check cb access: double, wrong type",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0])),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "check out of range skb->cb access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0]) + 256),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .errstr_unpriv = "",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_ACT,
- },
- {
- "write skb fields from socket prog",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4])),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_index)),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2])),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .errstr_unpriv = "R1 leaks addr",
- .result_unpriv = REJECT,
- },
- {
- "write skb fields from tc_cls_act prog",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, mark)),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_index)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, tc_index)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[3])),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tstamp)),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, tstamp)),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "PTR_TO_STACK store/load",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10),
- BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0xfaceb00c,
- },
- {
- "PTR_TO_STACK store/load - bad alignment on off",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "misaligned stack access off (0x0; 0x0)+-8+2 size 8",
- },
- {
- "PTR_TO_STACK store/load - bad alignment on reg",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10),
- BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "misaligned stack access off (0x0; 0x0)+-10+8 size 8",
- },
- {
- "PTR_TO_STACK store/load - out of bounds low",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -80000),
- BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack off=-79992 size=8",
- .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
- },
- {
- "PTR_TO_STACK store/load - out of bounds high",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack off=0 size=8",
- },
- {
- "unpriv: return pointer",
- .insns = {
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 leaks addr",
- .retval = POINTER_VALUE,
- },
- {
- "unpriv: add const to pointer",
- .insns = {
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "unpriv: add pointer to pointer",
- .insns = {
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_10),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R1 pointer += pointer",
- },
- {
- "unpriv: neg pointer",
- .insns = {
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R1 pointer arithmetic",
- },
- {
- "unpriv: cmp pointer with const",
- .insns = {
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R1 pointer comparison",
- },
- {
- "unpriv: cmp pointer with pointer",
- .insns = {
- BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R10 pointer comparison",
- },
- {
- "unpriv: check that printk is disallowed",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_2, 8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_trace_printk),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "unknown func bpf_trace_printk#6",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "unpriv: pass pointer to helper function",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_update_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr_unpriv = "R4 leaks addr",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "unpriv: indirectly pass pointer on stack to helper function",
- .insns = {
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "invalid indirect read from stack off -8+0 size 8",
- .result = REJECT,
- },
- {
- "unpriv: mangle pointer on stack 1",
- .insns = {
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
- BPF_ST_MEM(BPF_W, BPF_REG_10, -8, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "attempt to corrupt spilled",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "unpriv: mangle pointer on stack 2",
- .insns = {
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
- BPF_ST_MEM(BPF_B, BPF_REG_10, -1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "attempt to corrupt spilled",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "unpriv: read pointer from stack in small chunks",
- .insns = {
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid size",
- .result = REJECT,
- },
- {
- "unpriv: write pointer into ctx",
- .insns = {
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R1 leaks addr",
- .result_unpriv = REJECT,
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "unpriv: spill/fill of ctx",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "unpriv: spill/fill of ctx 2",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_hash_recalc),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "unpriv: spill/fill of ctx 3",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_hash_recalc),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R1 type=fp expected=ctx",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "unpriv: spill/fill of ctx 4",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_RAW_INSN(BPF_STX | BPF_XADD | BPF_DW, BPF_REG_10,
- BPF_REG_0, -8, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_hash_recalc),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R1 type=inv expected=ctx",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "unpriv: spill/fill of different pointers stx",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_3, 42),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
- offsetof(struct __sk_buff, mark)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "same insn cannot be used with different pointers",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "unpriv: spill/fill of different pointers stx - ctx and sock",
- .insns = {
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
- /* struct bpf_sock *sock = bpf_sock_lookup(...); */
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- /* u64 foo; */
- /* void *target = &foo; */
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
- /* if (skb == NULL) *target = sock; */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
- /* else *target = skb; */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- /* struct __sk_buff *skb = *target; */
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- /* skb->mark = 42; */
- BPF_MOV64_IMM(BPF_REG_3, 42),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
- offsetof(struct __sk_buff, mark)),
- /* if (sk) bpf_sk_release(sk) */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "type=ctx expected=sock",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "unpriv: spill/fill of different pointers stx - leak sock",
- .insns = {
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
- /* struct bpf_sock *sock = bpf_sock_lookup(...); */
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- /* u64 foo; */
- /* void *target = &foo; */
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
- /* if (skb == NULL) *target = sock; */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
- /* else *target = skb; */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- /* struct __sk_buff *skb = *target; */
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- /* skb->mark = 42; */
- BPF_MOV64_IMM(BPF_REG_3, 42),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- //.errstr = "same insn cannot be used with different pointers",
- .errstr = "Unreleased reference",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "unpriv: spill/fill of different pointers stx - sock and ctx (read)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
- /* struct bpf_sock *sock = bpf_sock_lookup(...); */
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- /* u64 foo; */
- /* void *target = &foo; */
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
- /* if (skb) *target = skb */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- /* else *target = sock */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
- /* struct bpf_sock *sk = *target; */
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- /* if (sk) u32 foo = sk->mark; bpf_sk_release(sk); */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct bpf_sock, mark)),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "same insn cannot be used with different pointers",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "unpriv: spill/fill of different pointers stx - sock and ctx (write)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
- /* struct bpf_sock *sock = bpf_sock_lookup(...); */
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- /* u64 foo; */
- /* void *target = &foo; */
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
- /* if (skb) *target = skb */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- /* else *target = sock */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
- /* struct bpf_sock *sk = *target; */
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- /* if (sk) sk->mark = 42; bpf_sk_release(sk); */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
- BPF_MOV64_IMM(BPF_REG_3, 42),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
- offsetof(struct bpf_sock, mark)),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- //.errstr = "same insn cannot be used with different pointers",
- .errstr = "cannot write into socket",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "unpriv: spill/fill of different pointers ldx",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2,
- -(__s32)offsetof(struct bpf_perf_event_data,
- sample_period) - 8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1,
- offsetof(struct bpf_perf_event_data,
- sample_period)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "same insn cannot be used with different pointers",
- .prog_type = BPF_PROG_TYPE_PERF_EVENT,
- },
- {
- "unpriv: write pointer into map elem value",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "alu32: mov u32 const",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_7, 0),
- BPF_ALU32_IMM(BPF_AND, BPF_REG_7, 1),
- BPF_MOV32_REG(BPF_REG_0, BPF_REG_7),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "unpriv: partial copy of pointer",
- .insns = {
- BPF_MOV32_REG(BPF_REG_1, BPF_REG_10),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R10 partial copy",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "unpriv: pass pointer to tail_call",
- .insns = {
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_1),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 1 },
- .errstr_unpriv = "R3 leaks addr into helper",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "unpriv: cmp map pointer with zero",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 1 },
- .errstr_unpriv = "R1 pointer comparison",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "unpriv: write into frame pointer",
- .insns = {
- BPF_MOV64_REG(BPF_REG_10, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "frame pointer is read only",
- .result = REJECT,
- },
- {
- "unpriv: spill/fill frame pointer",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "frame pointer is read only",
- .result = REJECT,
- },
- {
- "unpriv: cmp of frame pointer",
- .insns = {
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_10, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R10 pointer comparison",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "unpriv: adding of fp",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_10),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "unpriv: cmp of stack pointer",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R2 pointer comparison",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "runtime/jit: tail_call within bounds, prog once",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 1 },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "runtime/jit: tail_call within bounds, prog loop",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_3, 1),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 1 },
- .result = ACCEPT,
- .retval = 41,
- },
- {
- "runtime/jit: tail_call within bounds, no prog",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_3, 2),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 1 },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "runtime/jit: tail_call out of bounds",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_3, 256),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 1 },
- .result = ACCEPT,
- .retval = 2,
- },
- {
- "runtime/jit: pass negative index to tail_call",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_3, -1),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 1 },
- .result = ACCEPT,
- .retval = 2,
- },
- {
- "runtime/jit: pass > 32bit index to tail_call",
- .insns = {
- BPF_LD_IMM64(BPF_REG_3, 0x100000000ULL),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 2 },
- .result = ACCEPT,
- .retval = 42,
- /* Verifier rewrite for unpriv skips tail call here. */
- .retval_unpriv = 2,
- },
- {
- "PTR_TO_STACK check high 1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "PTR_TO_STACK check high 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ST_MEM(BPF_B, BPF_REG_1, -1, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, -1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "PTR_TO_STACK check high 3",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),
- BPF_ST_MEM(BPF_B, BPF_REG_1, -1, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, -1),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "PTR_TO_STACK check high 4",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
- .errstr = "invalid stack off=0 size=1",
- .result = REJECT,
- },
- {
- "PTR_TO_STACK check high 5",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack off",
- },
- {
- "PTR_TO_STACK check high 6",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
- BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MAX, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MAX),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack off",
- },
- {
- "PTR_TO_STACK check high 7",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
- BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MAX, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MAX),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
- .errstr = "fp pointer offset",
- },
- {
- "PTR_TO_STACK check low 1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -512),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "PTR_TO_STACK check low 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -513),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 1, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 1),
- BPF_EXIT_INSN(),
- },
- .result_unpriv = REJECT,
- .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "PTR_TO_STACK check low 3",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -513),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
- .errstr = "invalid stack off=-513 size=1",
- .result = REJECT,
- },
- {
- "PTR_TO_STACK check low 4",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, INT_MIN),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "math between fp pointer",
- },
- {
- "PTR_TO_STACK check low 5",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack off",
- },
- {
- "PTR_TO_STACK check low 6",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
- BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MIN, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MIN),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack off",
- },
- {
- "PTR_TO_STACK check low 7",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
- BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MIN, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MIN),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
- .errstr = "fp pointer offset",
- },
- {
- "PTR_TO_STACK mixed reg/k, 1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),
- BPF_MOV64_IMM(BPF_REG_2, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "PTR_TO_STACK mixed reg/k, 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),
- BPF_MOV64_IMM(BPF_REG_2, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_5, -6),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "PTR_TO_STACK mixed reg/k, 3",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),
- BPF_MOV64_IMM(BPF_REG_2, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = -3,
- },
- {
- "PTR_TO_STACK reg",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_MOV64_IMM(BPF_REG_2, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .result_unpriv = REJECT,
- .errstr_unpriv = "invalid stack off=0 size=1",
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "stack pointer arithmetic",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 4),
- BPF_JMP_IMM(BPF_JA, 0, 0, 0),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_1),
- BPF_ST_MEM(0, BPF_REG_2, 4, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
- BPF_ST_MEM(0, BPF_REG_2, 4, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "raw_stack: no skb_load_bytes",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 8),
- /* Call to skb_load_bytes() omitted. */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid read from stack off -8+0 size 8",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, negative len",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R4 min value is negative",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, negative len 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, ~0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R4 min value is negative",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, zero len",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack type R3",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, no init",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, init",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_6, 0, 0xcafe),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, spilled regs around bounds",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
- offsetof(struct __sk_buff, mark)),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2,
- offsetof(struct __sk_buff, priority)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, spilled regs corruption",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R0 invalid mem access 'inv'",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "raw_stack: skb_load_bytes, spilled regs corruption 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
- offsetof(struct __sk_buff, mark)),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2,
- offsetof(struct __sk_buff, priority)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_3,
- offsetof(struct __sk_buff, pkt_type)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R3 invalid mem access 'inv'",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "raw_stack: skb_load_bytes, spilled regs + data",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
- offsetof(struct __sk_buff, mark)),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2,
- offsetof(struct __sk_buff, priority)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, invalid access 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -513),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack type R3 off=-513 access_size=8",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, invalid access 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack type R3 off=-1 access_size=8",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, invalid access 3",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 0xffffffff),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 0xffffffff),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R4 min value is negative",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, invalid access 4",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R4 unbounded memory access, use 'var &= const' or 'if (var < const)'",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, invalid access 5",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R4 unbounded memory access, use 'var &= const' or 'if (var < const)'",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, invalid access 6",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid stack type R3 off=-512 access_size=0",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "raw_stack: skb_load_bytes, large access",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_4, 512),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "context stores via ST",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_1, offsetof(struct __sk_buff, mark), 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "BPF_ST stores into R1 ctx is not allowed",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "context stores via XADD",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_RAW_INSN(BPF_STX | BPF_XADD | BPF_W, BPF_REG_1,
- BPF_REG_0, offsetof(struct __sk_buff, mark), 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "BPF_XADD stores into R1 ctx is not allowed",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14),
- BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 15),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 7),
- BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_3, 12),
- BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 14),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_4),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 49),
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 49),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_3, 4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test3",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access off=76",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- },
- {
- "direct packet access: test4 (write)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test5 (pkt_end >= reg, good access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test6 (pkt_end >= reg, bad access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 3),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid access to packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test7 (pkt_end >= reg, both accesses)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 3),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid access to packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test8 (double test, variant 1)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 4),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test9 (double test, variant 2)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test10 (write invalid)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid access to packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test11 (shift, good access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8),
- BPF_MOV64_IMM(BPF_REG_3, 144),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23),
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_5, 3),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = 1,
- },
- {
- "direct packet access: test12 (and, good access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8),
- BPF_MOV64_IMM(BPF_REG_3, 144),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_5, 15),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = 1,
- },
- {
- "direct packet access: test13 (branches, good access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 13),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_MOV64_IMM(BPF_REG_4, 1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_4, 2),
- BPF_MOV64_IMM(BPF_REG_3, 14),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_MOV64_IMM(BPF_REG_3, 24),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_5, 15),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = 1,
- },
- {
- "direct packet access: test14 (pkt_ptr += 0, CONST_IMM, good access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 7),
- BPF_MOV64_IMM(BPF_REG_5, 12),
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_5, 4),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = 1,
- },
- {
- "direct packet access: test15 (spill with xadd)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8),
- BPF_MOV64_IMM(BPF_REG_5, 4096),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_STX_XADD(BPF_DW, BPF_REG_4, BPF_REG_5, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
- BPF_STX_MEM(BPF_W, BPF_REG_2, BPF_REG_5, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R2 invalid mem access 'inv'",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "direct packet access: test16 (arith on data_end)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 16),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R3 pointer arithmetic on pkt_end",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test17 (pruning, alignment)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 14),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_7, 1, 4),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, -4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
- BPF_JMP_A(-6),
- },
- .errstr = "misaligned packet access off 2+(0x0; 0x0)+15+-4 size 4",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- },
- {
- "direct packet access: test18 (imm += pkt_ptr, 1)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_IMM(BPF_REG_0, 8),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test19 (imm += pkt_ptr, 2)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
- BPF_MOV64_IMM(BPF_REG_4, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
- BPF_STX_MEM(BPF_B, BPF_REG_4, BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test20 (x += pkt_ptr, 1)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_IMM(BPF_REG_0, 0xffffffff),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0x7fff),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0x7fff - 1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "direct packet access: test21 (x += pkt_ptr, 2)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 9),
- BPF_MOV64_IMM(BPF_REG_4, 0xffffffff),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_4, 0x7fff),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0x7fff - 1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "direct packet access: test22 (x += pkt_ptr, 3)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_3, -16),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_10, -16),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 11),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8),
- BPF_MOV64_IMM(BPF_REG_4, 0xffffffff),
- BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_4, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 49),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_STX_MEM(BPF_H, BPF_REG_4, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "direct packet access: test23 (x += pkt_ptr, 4)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_IMM(BPF_REG_0, 0xffffffff),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xffff),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_0, 31),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0xffff - 1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = REJECT,
- .errstr = "invalid access to packet, off=0 size=8, R5(id=1,off=0,r=0)",
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "direct packet access: test24 (x += pkt_ptr, 5)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_IMM(BPF_REG_0, 0xffffffff),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xff),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_0, 64),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x7fff - 1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "direct packet access: test25 (marking on <, good access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_0, BPF_REG_3, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, -4),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test26 (marking on <, bad access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_0, BPF_REG_3, 3),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JA, 0, 0, -3),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "direct packet access: test27 (marking on <=, good access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_0, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = 1,
- },
- {
- "direct packet access: test28 (marking on <=, bad access)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, -4),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test1, valid packet_ptr range",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_update_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 5 },
- .result_unpriv = ACCEPT,
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "helper access to packet: test2, unchecked packet_ptr",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 1 },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "helper access to packet: test3, variable add",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10),
- BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_4),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 11 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "helper access to packet: test4, packet_ptr with bad range",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 7 },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "helper access to packet: test5, packet_ptr with too short range",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 6 },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "helper access to packet: test6, cls valid packet_ptr range",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_update_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 5 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test7, cls unchecked packet_ptr",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 1 },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test8, cls variable add",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10),
- BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_4),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 11 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test9, cls packet_ptr with bad range",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 7 },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test10, cls packet_ptr with too short range",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 6 },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test11, cls unsuitable helper 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_7, 4),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_4, 42),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_store_bytes),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "helper access to the packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test12, cls unsuitable helper 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_7, 3),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_4, 4),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "helper access to the packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test13, cls helper ok",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_diff),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test14, cls helper ok sub",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 4),
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_diff),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test15, cls helper fail sub",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 12),
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_diff),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test16, cls helper fail range 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_2, 8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_diff),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test17, cls helper fail range 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_2, -9),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_diff),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R2 min value is negative",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test18, cls helper fail range 3",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_2, ~0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_diff),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R2 min value is negative",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test19, cls helper range zero",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_diff),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test20, pkt end as input",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_diff),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R1 type=pkt_end expected=fp",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to packet: test21, wrong reg",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_diff),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "prevent map lookup in sockmap",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_sockmap = { 3 },
- .result = REJECT,
- .errstr = "cannot pass map_type 15 into func bpf_map_lookup_elem",
- .prog_type = BPF_PROG_TYPE_SOCK_OPS,
- },
- {
- "prevent map lookup in sockhash",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_sockhash = { 3 },
- .result = REJECT,
- .errstr = "cannot pass map_type 18 into func bpf_map_lookup_elem",
- .prog_type = BPF_PROG_TYPE_SOCK_OPS,
- },
- {
- "prevent map lookup in xskmap",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_xskmap = { 3 },
- .result = REJECT,
- .errstr = "cannot pass map_type 17 into func bpf_map_lookup_elem",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "prevent map lookup in stack trace",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_stacktrace = { 3 },
- .result = REJECT,
- .errstr = "cannot pass map_type 7 into func bpf_map_lookup_elem",
- .prog_type = BPF_PROG_TYPE_PERF_EVENT,
- },
- {
- "prevent map lookup in prog array",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_prog2 = { 3 },
- .result = REJECT,
- .errstr = "cannot pass map_type 3 into func bpf_map_lookup_elem",
- },
- {
- "valid map access into an array with a constant",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "valid map access into an array with a register",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_IMM(BPF_REG_1, 4),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "valid map access into an array with a variable",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 3),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "valid map access into an array with a signed variable",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 0xffffffff, 1),
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES),
- BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1),
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "invalid map access into an array with a constant",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, (MAX_ENTRIES + 1) << 2,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "invalid access to map value, value_size=48 off=48 size=8",
- .result = REJECT,
- },
- {
- "invalid map access into an array with a register",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_IMM(BPF_REG_1, MAX_ENTRIES + 1),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R0 min value is outside of the array range",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "invalid map access into an array with a variable",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R0 unbounded memory access, make sure to bounds check any array access into a map",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "invalid map access into an array with no floor check",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES),
- BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1),
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .errstr = "R0 unbounded memory access",
- .result_unpriv = REJECT,
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "invalid map access into an array with a invalid max check",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES + 1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .errstr = "invalid access to map value, value_size=48 off=44 size=8",
- .result_unpriv = REJECT,
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "invalid map access into an array with a invalid max check",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3, 11 },
- .errstr = "R0 pointer += pointer",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "direct packet read test#1 for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, pkt_type)),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
- offsetof(struct __sk_buff, mark)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, queue_mapping)),
- BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
- offsetof(struct __sk_buff, protocol)),
- BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
- offsetof(struct __sk_buff, vlan_present)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "invalid bpf_context access off=76 size=4",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "direct packet read test#2 for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct __sk_buff, vlan_tci)),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, vlan_proto)),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, priority)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
- offsetof(struct __sk_buff, priority)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff,
- ingress_ifindex)),
- BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
- offsetof(struct __sk_buff, tc_index)),
- BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
- offsetof(struct __sk_buff, hash)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "direct packet read test#3 for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, cb[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, cb[3])),
- BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4])),
- BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
- offsetof(struct __sk_buff, napi_id)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_4,
- offsetof(struct __sk_buff, cb[0])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_5,
- offsetof(struct __sk_buff, cb[1])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
- offsetof(struct __sk_buff, cb[2])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_7,
- offsetof(struct __sk_buff, cb[3])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_8,
- offsetof(struct __sk_buff, cb[4])),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "direct packet read test#4 for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, family)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip4)),
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip4)),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[3])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[3])),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, remote_port)),
- BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
- offsetof(struct __sk_buff, local_port)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid access of tc_classid for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_classid)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid access of data_meta for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, data_meta)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid access of flow_keys for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, flow_keys)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid write access to napi_id for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
- offsetof(struct __sk_buff, napi_id)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_9,
- offsetof(struct __sk_buff, napi_id)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "valid cgroup storage access",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_cgroup_storage = { 1 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid cgroup storage access 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 1 },
- .result = REJECT,
- .errstr = "cannot pass map_type 1 into func bpf_get_local_storage",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid cgroup storage access 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "fd 1 is not pointing to valid bpf_map",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid cgroup storage access 3",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 256),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_cgroup_storage = { 1 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=64 off=256 size=4",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid cgroup storage access 4",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, -2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_cgroup_storage = { 1 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=64 off=-2 size=4",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "invalid cgroup storage access 5",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 7),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_cgroup_storage = { 1 },
- .result = REJECT,
- .errstr = "get_local_storage() doesn't support non-zero flags",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid cgroup storage access 6",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_cgroup_storage = { 1 },
- .result = REJECT,
- .errstr = "get_local_storage() doesn't support non-zero flags",
- .errstr_unpriv = "R2 leaks addr into helper function",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "valid per-cpu cgroup storage access",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_percpu_cgroup_storage = { 1 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid per-cpu cgroup storage access 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 1 },
- .result = REJECT,
- .errstr = "cannot pass map_type 1 into func bpf_get_local_storage",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid per-cpu cgroup storage access 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "fd 1 is not pointing to valid bpf_map",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid per-cpu cgroup storage access 3",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 256),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_percpu_cgroup_storage = { 1 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=64 off=256 size=4",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid per-cpu cgroup storage access 4",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, -2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_cgroup_storage = { 1 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=64 off=-2 size=4",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "invalid per-cpu cgroup storage access 5",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 7),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_percpu_cgroup_storage = { 1 },
- .result = REJECT,
- .errstr = "get_local_storage() doesn't support non-zero flags",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "invalid per-cpu cgroup storage access 6",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_local_storage),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_percpu_cgroup_storage = { 1 },
- .result = REJECT,
- .errstr = "get_local_storage() doesn't support non-zero flags",
- .errstr_unpriv = "R2 leaks addr into helper function",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "write tstamp from CGROUP_SKB",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, tstamp)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "invalid bpf_context access off=152 size=8",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "read tstamp from CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tstamp)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
- },
- {
- "multiple registers share map_lookup_elem result",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 10),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS
- },
- {
- "alu ops on ptr_to_map_value_or_null, 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 10),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .errstr = "R4 pointer arithmetic on map_value_or_null",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS
- },
- {
- "alu ops on ptr_to_map_value_or_null, 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 10),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_4, -1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .errstr = "R4 pointer arithmetic on map_value_or_null",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS
- },
- {
- "alu ops on ptr_to_map_value_or_null, 3",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 10),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_4, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .errstr = "R4 pointer arithmetic on map_value_or_null",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS
- },
- {
- "invalid memory access with multiple map_lookup_elem calls",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 10),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .result = REJECT,
- .errstr = "R4 !read_ok",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS
- },
- {
- "valid indirect map_lookup_elem access with 2nd lookup in branch",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 10),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_2, 10),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 3),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS
- },
- {
- "invalid map access from else condition",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES-1, 1),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R0 unbounded memory access",
- .result = REJECT,
- .errstr_unpriv = "R0 leaks addr",
- .result_unpriv = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "constant register |= constant should keep constant type",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
- BPF_MOV64_IMM(BPF_REG_2, 34),
- BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "constant register |= constant should not bypass stack boundary checks",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
- BPF_MOV64_IMM(BPF_REG_2, 34),
- BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 24),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid stack type R1 off=-48 access_size=58",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "constant register |= constant register should keep constant type",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
- BPF_MOV64_IMM(BPF_REG_2, 34),
- BPF_MOV64_IMM(BPF_REG_4, 13),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "constant register |= constant register should not bypass stack boundary checks",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
- BPF_MOV64_IMM(BPF_REG_2, 34),
- BPF_MOV64_IMM(BPF_REG_4, 24),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid stack type R1 off=-48 access_size=58",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "invalid direct packet write for LWT_IN",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "cannot write into packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_LWT_IN,
- },
- {
- "invalid direct packet write for LWT_OUT",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "cannot write into packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_LWT_OUT,
- },
- {
- "direct packet write for LWT_XMIT",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_LWT_XMIT,
- },
- {
- "direct packet read for LWT_IN",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_LWT_IN,
- },
- {
- "direct packet read for LWT_OUT",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_LWT_OUT,
- },
- {
- "direct packet read for LWT_XMIT",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_LWT_XMIT,
- },
- {
- "overlapping checks for direct packet access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_LWT_XMIT,
- },
- {
- "make headroom for LWT_XMIT",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_2, 34),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_skb_change_head),
- /* split for s390 to succeed */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_2, 42),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_skb_change_head),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_LWT_XMIT,
- },
- {
- "invalid access of tc_classid for LWT_IN",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_classid)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- },
- {
- "invalid access of tc_classid for LWT_OUT",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_classid)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- },
- {
- "invalid access of tc_classid for LWT_XMIT",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_classid)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- },
- {
- "leak pointer into ctx 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0])),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_2,
- offsetof(struct __sk_buff, cb[0])),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 2 },
- .errstr_unpriv = "R2 leaks addr into mem",
- .result_unpriv = REJECT,
- .result = REJECT,
- .errstr = "BPF_XADD stores into R1 ctx is not allowed",
- },
- {
- "leak pointer into ctx 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, cb[0])),
- BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_10,
- offsetof(struct __sk_buff, cb[0])),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "R10 leaks addr into mem",
- .result_unpriv = REJECT,
- .result = REJECT,
- .errstr = "BPF_XADD stores into R1 ctx is not allowed",
- },
- {
- "leak pointer into ctx 3",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2,
- offsetof(struct __sk_buff, cb[0])),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 1 },
- .errstr_unpriv = "R2 leaks addr into ctx",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "leak pointer into map val",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
- BPF_STX_XADD(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .errstr_unpriv = "R6 leaks addr into mem",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "helper access to map: full range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: partial range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, 8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: empty range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_EMIT_CALL(BPF_FUNC_trace_printk),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "invalid access to map value, value_size=48 off=0 size=0",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: out-of-bound range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val) + 8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "invalid access to map value, value_size=48 off=0 size=56",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: negative range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, -8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R2 min value is negative",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const imm): full range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1,
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_2,
- sizeof(struct test_val) -
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const imm): partial range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1,
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_2, 8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const imm): empty range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1,
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_EMIT_CALL(BPF_FUNC_trace_printk),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "invalid access to map value, value_size=48 off=4 size=0",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const imm): out-of-bound range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1,
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_2,
- sizeof(struct test_val) -
- offsetof(struct test_val, foo) + 8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "invalid access to map value, value_size=48 off=4 size=52",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const imm): negative range (> adjustment)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1,
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_2, -8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R2 min value is negative",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const imm): negative range (< adjustment)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1,
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_2, -1),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R2 min value is negative",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const reg): full range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3,
- offsetof(struct test_val, foo)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2,
- sizeof(struct test_val) -
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const reg): partial range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3,
- offsetof(struct test_val, foo)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2, 8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const reg): empty range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_EMIT_CALL(BPF_FUNC_trace_printk),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R1 min value is outside of the array range",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const reg): out-of-bound range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3,
- offsetof(struct test_val, foo)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2,
- sizeof(struct test_val) -
- offsetof(struct test_val, foo) + 8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "invalid access to map value, value_size=48 off=4 size=52",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const reg): negative range (> adjustment)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3,
- offsetof(struct test_val, foo)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2, -8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R2 min value is negative",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via const reg): negative range (< adjustment)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3,
- offsetof(struct test_val, foo)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2, -1),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R2 min value is negative",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via variable): full range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_3,
- offsetof(struct test_val, foo), 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2,
- sizeof(struct test_val) -
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via variable): partial range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_3,
- offsetof(struct test_val, foo), 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2, 8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via variable): empty range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_3,
- offsetof(struct test_val, foo), 3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_EMIT_CALL(BPF_FUNC_trace_printk),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R1 min value is outside of the array range",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via variable): no max check",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R1 unbounded memory access",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to adjusted map (via variable): wrong max check",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_3,
- offsetof(struct test_val, foo), 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2,
- sizeof(struct test_val) -
- offsetof(struct test_val, foo) + 1),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "invalid access to map value, value_size=48 off=4 size=45",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using <, good access",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JLT, BPF_REG_3, 32, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using <, bad access",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JLT, BPF_REG_3, 32, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = REJECT,
- .errstr = "R1 unbounded memory access",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using <=, good access",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JLE, BPF_REG_3, 32, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using <=, bad access",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JLE, BPF_REG_3, 32, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = REJECT,
- .errstr = "R1 unbounded memory access",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using s<, good access",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 0, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using s<, good access 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, -3, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using s<, bad access",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, -3, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = REJECT,
- .errstr = "R1 min value is negative",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using s<=, good access",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 0, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using s<=, good access 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, -3, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to map: bounds check using s<=, bad access",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, -3, -3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = REJECT,
- .errstr = "R1 min value is negative",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map access: known scalar += value_ptr from different maps",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_1, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 5 },
- .fixup_map_array_48b = { 8 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R1 tried to add from different maps",
- .retval = 1,
- },
- {
- "map access: value_ptr -= known scalar from different maps",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_IMM(BPF_REG_1, 4),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 5 },
- .fixup_map_array_48b = { 8 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 min value is outside of the array range",
- .retval = 1,
- },
- {
- "map access: known scalar += value_ptr from different maps, but same value properties",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_1, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 5 },
- .fixup_map_array_48b = { 8 },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "map access: mixing value pointer and scalar, 1",
- .insns = {
- // load map value pointer into r0 and r2
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
- BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -16),
- BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- // load some number from the map into r1
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- // depending on r1, branch:
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 3),
- // branch A
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_JMP_A(2),
- // branch B
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0x100000),
- // common instruction
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
- // depending on r1, branch:
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
- // branch A
- BPF_JMP_A(4),
- // branch B
- BPF_MOV64_IMM(BPF_REG_0, 0x13371337),
- // verifier follows fall-through
- BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0x100000, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- // fake-dead code; targeted from branch A to
- // prevent dead code sanitization
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 1 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R2 tried to add from different pointers or scalars",
- .retval = 0,
- },
- {
- "map access: mixing value pointer and scalar, 2",
- .insns = {
- // load map value pointer into r0 and r2
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
- BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -16),
- BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- // load some number from the map into r1
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- // depending on r1, branch:
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
- // branch A
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0x100000),
- BPF_JMP_A(2),
- // branch B
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- // common instruction
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
- // depending on r1, branch:
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
- // branch A
- BPF_JMP_A(4),
- // branch B
- BPF_MOV64_IMM(BPF_REG_0, 0x13371337),
- // verifier follows fall-through
- BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0x100000, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- // fake-dead code; targeted from branch A to
- // prevent dead code sanitization
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 1 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R2 tried to add from different maps or paths",
- .retval = 0,
- },
- {
- "sanitation: alu with different scalars",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
- BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -16),
- BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0x100000),
- BPF_JMP_A(2),
- BPF_MOV64_IMM(BPF_REG_2, 42),
- BPF_MOV64_IMM(BPF_REG_3, 0x100001),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 1 },
- .result = ACCEPT,
- .retval = 0x100000,
- },
- {
- "map access: value_ptr += known scalar, upper oob arith, test 1",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_IMM(BPF_REG_1, 48),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .retval = 1,
- },
- {
- "map access: value_ptr += known scalar, upper oob arith, test 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_IMM(BPF_REG_1, 49),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .retval = 1,
- },
- {
- "map access: value_ptr += known scalar, upper oob arith, test 3",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_IMM(BPF_REG_1, 47),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .retval = 1,
- },
- {
- "map access: value_ptr -= known scalar, lower oob arith, test 1",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_IMM(BPF_REG_1, 47),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, 48),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "R0 min value is outside of the array range",
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- },
- {
- "map access: value_ptr -= known scalar, lower oob arith, test 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_MOV64_IMM(BPF_REG_1, 47),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, 48),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, 1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .retval = 1,
- },
- {
- "map access: value_ptr -= known scalar, lower oob arith, test 3",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_IMM(BPF_REG_1, 47),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, 47),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .retval = 1,
- },
- {
- "map access: known scalar += value_ptr",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_1, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "map access: value_ptr += known scalar, 1",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_1, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "map access: value_ptr += known scalar, 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_1, 49),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "invalid access to map value",
- },
- {
- "map access: value_ptr += known scalar, 3",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_1, -1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "invalid access to map value",
- },
- {
- "map access: value_ptr += known scalar, 4",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_MOV64_IMM(BPF_REG_1, 5),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, -2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, -1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .retval = 1,
- },
- {
- "map access: value_ptr += known scalar, 5",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_1, (6 + 1) * sizeof(int)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .retval = 0xabcdef12,
- },
- {
- "map access: value_ptr += known scalar, 6",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_IMM(BPF_REG_1, (3 + 1) * sizeof(int)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, 3 * sizeof(int)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .retval = 0xabcdef12,
- },
- {
- "map access: unknown scalar += value_ptr, 1",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "map access: unknown scalar += value_ptr, 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .retval = 0xabcdef12,
- },
- {
- "map access: unknown scalar += value_ptr, 3",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
- BPF_MOV64_IMM(BPF_REG_1, -1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, 1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .retval = 0xabcdef12,
- },
- {
- "map access: unknown scalar += value_ptr, 4",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_IMM(BPF_REG_1, 19),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "R1 max value is outside of the array range",
- .errstr_unpriv = "R1 pointer arithmetic of map value goes out of range",
- },
- {
- "map access: value_ptr += unknown scalar, 1",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "map access: value_ptr += unknown scalar, 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .retval = 0xabcdef12,
- },
- {
- "map access: value_ptr += unknown scalar, 3",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 16),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_3, 1),
- BPF_ALU64_IMM(BPF_OR, BPF_REG_3, 1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_3, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_JMP_IMM(BPF_JA, 0, 0, -3),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "map access: value_ptr += value_ptr",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_0),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "R0 pointer += pointer prohibited",
- },
- {
- "map access: known scalar -= value_ptr",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_1, 4),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "R1 tried to subtract pointer from scalar",
- },
- {
- "map access: value_ptr -= known scalar",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_MOV64_IMM(BPF_REG_1, 4),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "R0 min value is outside of the array range",
- },
- {
- "map access: value_ptr -= known scalar, 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_IMM(BPF_REG_1, 6),
- BPF_MOV64_IMM(BPF_REG_2, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_2),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .retval = 1,
- },
- {
- "map access: unknown scalar -= value_ptr",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "R1 tried to subtract pointer from scalar",
- },
- {
- "map access: value_ptr -= unknown scalar",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "R0 min value is negative",
- },
- {
- "map access: value_ptr -= unknown scalar, 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
- BPF_ALU64_IMM(BPF_OR, BPF_REG_1, 0x7),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .retval = 1,
- },
- {
- "map access: value_ptr -= value_ptr",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_0),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_map_array_48b = { 3 },
- .result = REJECT,
- .errstr = "R0 invalid mem access 'inv'",
- .errstr_unpriv = "R0 pointer -= pointer prohibited",
- },
- {
- "map lookup helper access to map",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 8 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map update helper access to map",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_update_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 10 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map update helper access to map: wrong size",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_update_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .fixup_map_hash_16b = { 10 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=8 off=0 size=16",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map helper access to adjusted map (via const imm)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2,
- offsetof(struct other_val, bar)),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 9 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map helper access to adjusted map (via const imm): out-of-bound 1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2,
- sizeof(struct other_val) - 4),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 9 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=16 off=12 size=8",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map helper access to adjusted map (via const imm): out-of-bound 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 9 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=16 off=-4 size=8",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map helper access to adjusted map (via const reg)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3,
- offsetof(struct other_val, bar)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 10 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map helper access to adjusted map (via const reg): out-of-bound 1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3,
- sizeof(struct other_val) - 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 10 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=16 off=12 size=8",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map helper access to adjusted map (via const reg): out-of-bound 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3, -4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 10 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=16 off=-4 size=8",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map helper access to adjusted map (via variable)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_3,
- offsetof(struct other_val, bar), 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 11 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map helper access to adjusted map (via variable): no max check",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 10 },
- .result = REJECT,
- .errstr = "R2 unbounded memory access, make sure to bounds check any array access into a map",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map helper access to adjusted map (via variable): wrong max check",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_3,
- offsetof(struct other_val, bar) + 1, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_16b = { 3, 11 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=16 off=9 size=8",
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "map element value is preserved across register spilling",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -184),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result = ACCEPT,
- .result_unpriv = REJECT,
- },
- {
- "map element value or null is marked on register spilling",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -152),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result = ACCEPT,
- .result_unpriv = REJECT,
- },
- {
- "map element value store of cleared call register",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R1 !read_ok",
- .errstr = "R1 !read_ok",
- .result = REJECT,
- .result_unpriv = REJECT,
- },
- {
- "map element value with unaligned store",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 17),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 43),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, -2, 44),
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
- BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 32),
- BPF_ST_MEM(BPF_DW, BPF_REG_8, 2, 33),
- BPF_ST_MEM(BPF_DW, BPF_REG_8, -2, 34),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_8, 5),
- BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 22),
- BPF_ST_MEM(BPF_DW, BPF_REG_8, 4, 23),
- BPF_ST_MEM(BPF_DW, BPF_REG_8, -7, 24),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_8),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 3),
- BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 22),
- BPF_ST_MEM(BPF_DW, BPF_REG_7, 4, 23),
- BPF_ST_MEM(BPF_DW, BPF_REG_7, -4, 24),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "map element value with unaligned load",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 9),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
- BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 2),
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 5),
- BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 4),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "map element value illegal alu op, 1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 8),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R0 bitwise operator &= on pointer",
- .result = REJECT,
- },
- {
- "map element value illegal alu op, 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R0 32-bit pointer arithmetic prohibited",
- .result = REJECT,
- },
- {
- "map element value illegal alu op, 3",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ALU64_IMM(BPF_DIV, BPF_REG_0, 42),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R0 pointer arithmetic with /= operator",
- .result = REJECT,
- },
- {
- "map element value illegal alu op, 4",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ENDIAN(BPF_FROM_BE, BPF_REG_0, 64),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 pointer arithmetic prohibited",
- .errstr = "invalid mem access 'inv'",
- .result = REJECT,
- .result_unpriv = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "map element value illegal alu op, 5",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_MOV64_IMM(BPF_REG_3, 4096),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
- BPF_STX_XADD(BPF_DW, BPF_REG_2, BPF_REG_3, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R0 invalid mem access 'inv'",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "map element value is preserved across register spilling",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0,
- offsetof(struct test_val, foo)),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -184),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "helper access to variable memory: stack, bitwise AND + JMP, correct bounds",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: stack, bitwise AND, zero included",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid indirect read from stack off -64+0 size 64",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: stack, bitwise AND + JMP, wrong max",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 65),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid stack type R1 off=-64 access_size=65",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: stack, JMP, correct bounds",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 4),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: stack, JMP (signed), correct bounds",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 4),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: stack, JMP, bounds + offset",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 5),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid stack type R1 off=-64 access_size=65",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: stack, JMP, wrong max",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 65, 4),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid stack type R1 off=-64 access_size=65",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: stack, JMP, no max check",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- /* because max wasn't checked, signed min is negative */
- .errstr = "R2 min value is negative, either use unsigned or 'var &= const'",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: stack, JMP, no min check",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 3),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid indirect read from stack off -64+0 size 64",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: stack, JMP (signed), no min check",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_2, 16),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 3),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R2 min value is negative",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: map, JMP, correct bounds",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_2,
- sizeof(struct test_val), 4),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: map, JMP, wrong max",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_2,
- sizeof(struct test_val) + 1, 4),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "invalid access to map value, value_size=48 off=0 size=49",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: map adjusted, JMP, correct bounds",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 20),
- BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_2,
- sizeof(struct test_val) - 20, 4),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: map adjusted, JMP, wrong max",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 20),
- BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_2,
- sizeof(struct test_val) - 19, 4),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R1 min value is outside of the array range",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: size = 0 allowed on NULL (ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_EMIT_CALL(BPF_FUNC_csum_diff),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to variable memory: size > 0 not allowed on NULL (ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_EMIT_CALL(BPF_FUNC_csum_diff),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 type=inv expected=fp",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to variable memory: size = 0 allowed on != NULL stack pointer (ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_EMIT_CALL(BPF_FUNC_csum_diff),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to variable memory: size = 0 allowed on != NULL map pointer (ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_EMIT_CALL(BPF_FUNC_csum_diff),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to variable memory: size possible = 0 allowed on != NULL stack pointer (ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 7),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_EMIT_CALL(BPF_FUNC_csum_diff),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to variable memory: size possible = 0 allowed on != NULL map pointer (ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_EMIT_CALL(BPF_FUNC_csum_diff),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "helper access to variable memory: size possible = 0 allowed on != NULL packet pointer (ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 7),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_EMIT_CALL(BPF_FUNC_csum_diff),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = 0 /* csum_diff of 64-byte packet */,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "helper access to variable memory: size = 0 not allowed on NULL (!ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 type=inv expected=fp",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: size > 0 not allowed on NULL (!ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 type=inv expected=fp",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: size = 0 allowed on != NULL stack pointer (!ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: size = 0 allowed on != NULL map pointer (!ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: size possible = 0 allowed on != NULL stack pointer (!ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: size possible = 0 allowed on != NULL map pointer (!ARG_PTR_TO_MEM_OR_NULL)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 2),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: 8 bytes leak",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 63),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid indirect read from stack off -64+32 size 64",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "helper access to variable memory: 8 bytes no leak (init memory)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 32),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 32),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "invalid and of negative number",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, -4),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R0 max value is outside of the array range",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "invalid range check",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 12),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_9, 1),
- BPF_ALU32_IMM(BPF_MOD, BPF_REG_1, 2),
- BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 1),
- BPF_ALU32_REG(BPF_AND, BPF_REG_9, BPF_REG_1),
- BPF_ALU32_IMM(BPF_ADD, BPF_REG_9, 1),
- BPF_ALU32_IMM(BPF_RSH, BPF_REG_9, 1),
- BPF_MOV32_IMM(BPF_REG_3, 1),
- BPF_ALU32_REG(BPF_SUB, BPF_REG_3, BPF_REG_9),
- BPF_ALU32_IMM(BPF_MUL, BPF_REG_3, 0x10000000),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
- BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_3, 0),
- BPF_MOV64_REG(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr = "R0 max value is outside of the array range",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "map in map access",
- .insns = {
- BPF_ST_MEM(0, BPF_REG_10, -4, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_ST_MEM(0, BPF_REG_10, -4, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_in_map = { 3 },
- .result = ACCEPT,
- },
- {
- "invalid inner map pointer",
- .insns = {
- BPF_ST_MEM(0, BPF_REG_10, -4, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_ST_MEM(0, BPF_REG_10, -4, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_in_map = { 3 },
- .errstr = "R1 pointer arithmetic on map_ptr prohibited",
- .result = REJECT,
- },
- {
- "forgot null checking on the inner map pointer",
- .insns = {
- BPF_ST_MEM(0, BPF_REG_10, -4, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_ST_MEM(0, BPF_REG_10, -4, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_in_map = { 3 },
- .errstr = "R1 type=map_value_or_null expected=map_ptr",
- .result = REJECT,
- },
- {
- "ld_abs: check calling conv, r1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_LD_ABS(BPF_W, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 !read_ok",
- .result = REJECT,
- },
- {
- "ld_abs: check calling conv, r2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_LD_ABS(BPF_W, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .errstr = "R2 !read_ok",
- .result = REJECT,
- },
- {
- "ld_abs: check calling conv, r3",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_LD_ABS(BPF_W, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
- BPF_EXIT_INSN(),
- },
- .errstr = "R3 !read_ok",
- .result = REJECT,
- },
- {
- "ld_abs: check calling conv, r4",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_LD_ABS(BPF_W, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
- BPF_EXIT_INSN(),
- },
- .errstr = "R4 !read_ok",
- .result = REJECT,
- },
- {
- "ld_abs: check calling conv, r5",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_LD_ABS(BPF_W, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
- BPF_EXIT_INSN(),
- },
- .errstr = "R5 !read_ok",
- .result = REJECT,
- },
- {
- "ld_abs: check calling conv, r7",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_7, 0),
- BPF_LD_ABS(BPF_W, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "ld_abs: tests on r6 and skb data reload helper",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_LD_ABS(BPF_B, 0),
- BPF_LD_ABS(BPF_H, 0),
- BPF_LD_ABS(BPF_W, 0),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_6, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_MOV64_IMM(BPF_REG_3, 2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_vlan_push),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
- BPF_LD_ABS(BPF_B, 0),
- BPF_LD_ABS(BPF_H, 0),
- BPF_LD_ABS(BPF_W, 0),
- BPF_MOV64_IMM(BPF_REG_0, 42),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 42 /* ultimate return value */,
- },
- {
- "ld_ind: check calling conv, r1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_1, 1),
- BPF_LD_IND(BPF_W, BPF_REG_1, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 !read_ok",
- .result = REJECT,
- },
- {
- "ld_ind: check calling conv, r2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_LD_IND(BPF_W, BPF_REG_2, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .errstr = "R2 !read_ok",
- .result = REJECT,
- },
- {
- "ld_ind: check calling conv, r3",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_3, 1),
- BPF_LD_IND(BPF_W, BPF_REG_3, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
- BPF_EXIT_INSN(),
- },
- .errstr = "R3 !read_ok",
- .result = REJECT,
- },
- {
- "ld_ind: check calling conv, r4",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_4, 1),
- BPF_LD_IND(BPF_W, BPF_REG_4, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
- BPF_EXIT_INSN(),
- },
- .errstr = "R4 !read_ok",
- .result = REJECT,
- },
- {
- "ld_ind: check calling conv, r5",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_5, 1),
- BPF_LD_IND(BPF_W, BPF_REG_5, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
- BPF_EXIT_INSN(),
- },
- .errstr = "R5 !read_ok",
- .result = REJECT,
- },
- {
- "ld_ind: check calling conv, r7",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_IMM(BPF_REG_7, 1),
- BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "check bpf_perf_event_data->sample_period byte load permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct bpf_perf_event_data, sample_period)),
-#else
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
- offsetof(struct bpf_perf_event_data, sample_period) + 7),
-#endif
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_PERF_EVENT,
- },
- {
- "check bpf_perf_event_data->sample_period half load permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct bpf_perf_event_data, sample_period)),
-#else
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct bpf_perf_event_data, sample_period) + 6),
-#endif
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_PERF_EVENT,
- },
- {
- "check bpf_perf_event_data->sample_period word load permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct bpf_perf_event_data, sample_period)),
-#else
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct bpf_perf_event_data, sample_period) + 4),
-#endif
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_PERF_EVENT,
- },
- {
- "check bpf_perf_event_data->sample_period dword load permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
- offsetof(struct bpf_perf_event_data, sample_period)),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_PERF_EVENT,
- },
- {
- "check skb->data half load not permitted",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
-#else
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, data) + 2),
-#endif
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- },
- {
- "check skb->tc_classid half load not permitted for lwt prog",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
-#if __BYTE_ORDER == __LITTLE_ENDIAN
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_classid)),
-#else
- BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_classid) + 2),
-#endif
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- .prog_type = BPF_PROG_TYPE_LWT_IN,
- },
- {
- "bounds checks mixing signed and unsigned, positive bounds",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, 2),
- BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 3),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 4, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, -1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, -1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
- BPF_MOV64_IMM(BPF_REG_8, 0),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_1),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
- BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R8 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 3",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, -1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 4),
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
- BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R8 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 4",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 5",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, -1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 4),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 4),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 6",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -512),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_6, -1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_6, 5),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_4, 1, 4),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_ST_MEM(BPF_H, BPF_REG_10, -512, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_load_bytes),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R4 min value is negative, either use unsigned",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 7",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 8",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, -1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 9",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_LD_IMM64(BPF_REG_2, -9223372036854775808ULL),
- BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 10",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 11",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, -1),
- BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
- /* Dead branch. */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 12",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, -6),
- BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 13",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, 2),
- BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
- BPF_MOV64_IMM(BPF_REG_7, 1),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_1),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 4, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_7),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R7 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 14",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, -1),
- BPF_MOV64_IMM(BPF_REG_8, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_9, 42, 6),
- BPF_JMP_REG(BPF_JSGT, BPF_REG_8, BPF_REG_1, 3),
- BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, -3),
- BPF_JMP_IMM(BPF_JA, 0, 0, -7),
- },
- .fixup_map_hash_8b = { 4 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "bounds checks mixing signed and unsigned, variant 15",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
- BPF_MOV64_IMM(BPF_REG_2, -6),
- BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_0, 1, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "unbounded min value",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- .result_unpriv = REJECT,
- },
- {
- "subtraction bounds (map value) variant 1",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0xff, 7),
- BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_0, 1),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 0xff, 5),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_3),
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 56),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "R0 max value is outside of the array range",
- .result = REJECT,
- },
- {
- "subtraction bounds (map value) variant 2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0xff, 6),
- BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_0, 1),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 0xff, 4),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.",
- .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
- .result = REJECT,
- },
- {
- "check subtraction on pointers for unpriv",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
- BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_ARG2, 0, 9),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_REG(BPF_REG_9, BPF_REG_FP),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_0),
- BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
- BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_ARG2, 0, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_9, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 1, 9 },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R9 pointer -= pointer prohibited",
- },
- {
- "bounds check based on zero-extended MOV",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- /* r2 = 0x0000'0000'ffff'ffff */
- BPF_MOV32_IMM(BPF_REG_2, 0xffffffff),
- /* r2 = 0 */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 32),
- /* no-op */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- /* access at offset 0 */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT
- },
- {
- "bounds check based on sign-extended MOV. test1",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- /* r2 = 0xffff'ffff'ffff'ffff */
- BPF_MOV64_IMM(BPF_REG_2, 0xffffffff),
- /* r2 = 0xffff'ffff */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 32),
- /* r0 = <oob pointer> */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- /* access to OOB pointer */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "map_value pointer and 4294967295",
- .result = REJECT
- },
- {
- "bounds check based on sign-extended MOV. test2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- /* r2 = 0xffff'ffff'ffff'ffff */
- BPF_MOV64_IMM(BPF_REG_2, 0xffffffff),
- /* r2 = 0xfff'ffff */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 36),
- /* r0 = <oob pointer> */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- /* access to OOB pointer */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "R0 min value is outside of the array range",
- .result = REJECT
- },
- {
- "bounds check based on reg_off + var_off + insn_off. test1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_6, 1),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, (1 << 29) - 1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, (1 << 29) - 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 3),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .errstr = "value_size=8 off=1073741825",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "bounds check based on reg_off + var_off + insn_off. test2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_6, 1),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, (1 << 30) - 1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, (1 << 29) - 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 3),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 4 },
- .errstr = "value 1073741823",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "bounds check after truncation of non-boundary-crossing range",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- /* r1 = [0x00, 0xff] */
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- /* r2 = 0x10'0000'0000 */
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 36),
- /* r1 = [0x10'0000'0000, 0x10'0000'00ff] */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
- /* r1 = [0x10'7fff'ffff, 0x10'8000'00fe] */
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
- /* r1 = [0x00, 0xff] */
- BPF_ALU32_IMM(BPF_SUB, BPF_REG_1, 0x7fffffff),
- /* r1 = 0 */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
- /* no-op */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- /* access at offset 0 */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT
- },
- {
- "bounds check after truncation of boundary-crossing range (1)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- /* r1 = [0x00, 0xff] */
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = [0xffff'ff80, 0x1'0000'007f] */
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = [0xffff'ff80, 0xffff'ffff] or
- * [0x0000'0000, 0x0000'007f]
- */
- BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 0),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = [0x00, 0xff] or
- * [0xffff'ffff'0000'0080, 0xffff'ffff'ffff'ffff]
- */
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = 0 or
- * [0x00ff'ffff'ff00'0000, 0x00ff'ffff'ffff'ffff]
- */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
- /* no-op or OOB pointer computation */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- /* potentially OOB access */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- /* not actually fully unbounded, but the bound is very high */
- .errstr = "R0 unbounded memory access",
- .result = REJECT
- },
- {
- "bounds check after truncation of boundary-crossing range (2)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
- /* r1 = [0x00, 0xff] */
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = [0xffff'ff80, 0x1'0000'007f] */
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = [0xffff'ff80, 0xffff'ffff] or
- * [0x0000'0000, 0x0000'007f]
- * difference to previous test: truncation via MOV32
- * instead of ALU32.
- */
- BPF_MOV32_REG(BPF_REG_1, BPF_REG_1),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = [0x00, 0xff] or
- * [0xffff'ffff'0000'0080, 0xffff'ffff'ffff'ffff]
- */
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = 0 or
- * [0x00ff'ffff'ff00'0000, 0x00ff'ffff'ffff'ffff]
- */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
- /* no-op or OOB pointer computation */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- /* potentially OOB access */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- /* not actually fully unbounded, but the bound is very high */
- .errstr = "R0 unbounded memory access",
- .result = REJECT
- },
- {
- "bounds check after wrapping 32-bit addition",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- /* r1 = 0x7fff'ffff */
- BPF_MOV64_IMM(BPF_REG_1, 0x7fffffff),
- /* r1 = 0xffff'fffe */
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
- /* r1 = 0 */
- BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 2),
- /* no-op */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- /* access at offset 0 */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT
- },
- {
- "bounds check after shift with oversized count operand",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- BPF_MOV64_IMM(BPF_REG_2, 32),
- BPF_MOV64_IMM(BPF_REG_1, 1),
- /* r1 = (u32)1 << (u32)32 = ? */
- BPF_ALU32_REG(BPF_LSH, BPF_REG_1, BPF_REG_2),
- /* r1 = [0x0000, 0xffff] */
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xffff),
- /* computes unknown pointer, potentially OOB */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- /* potentially OOB access */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "R0 max value is outside of the array range",
- .result = REJECT
- },
- {
- "bounds check after right shift of maybe-negative number",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- /* r1 = [0x00, 0xff] */
- BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- /* r1 = [-0x01, 0xfe] */
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 1),
- /* r1 = 0 or 0xff'ffff'ffff'ffff */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
- /* r1 = 0 or 0xffff'ffff'ffff */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
- /* computes unknown pointer, potentially OOB */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- /* potentially OOB access */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "R0 unbounded memory access",
- .result = REJECT
- },
- {
- "bounds check after 32-bit right shift with 64-bit input",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
- /* r1 = 2 */
- BPF_MOV64_IMM(BPF_REG_1, 2),
- /* r1 = 1<<32 */
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 31),
- /* r1 = 0 (NOT 2!) */
- BPF_ALU32_IMM(BPF_RSH, BPF_REG_1, 31),
- /* r1 = 0xffff'fffe (NOT 0!) */
- BPF_ALU32_IMM(BPF_SUB, BPF_REG_1, 2),
- /* computes OOB pointer */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- /* OOB access */
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- /* exit */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "R0 invalid mem access",
- .result = REJECT,
- },
- {
- "bounds check map access with off+size signed 32bit overflow. test1",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x7ffffffe),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
- BPF_JMP_A(0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "map_value pointer and 2147483646",
- .result = REJECT
- },
- {
- "bounds check map access with off+size signed 32bit overflow. test2",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x1fffffff),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x1fffffff),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x1fffffff),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
- BPF_JMP_A(0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "pointer offset 1073741822",
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .result = REJECT
- },
- {
- "bounds check map access with off+size signed 32bit overflow. test3",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 0x1fffffff),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 0x1fffffff),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 2),
- BPF_JMP_A(0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "pointer offset -1073741822",
- .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
- .result = REJECT
- },
- {
- "bounds check map access with off+size signed 32bit overflow. test4",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_1, 1000000),
- BPF_ALU64_IMM(BPF_MUL, BPF_REG_1, 1000000),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 2),
- BPF_JMP_A(0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "map_value pointer and 1000000000000",
- .result = REJECT
- },
- {
- "pointer/scalar confusion in state equality check (way 1)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
- BPF_JMP_A(1),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
- BPF_JMP_A(0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- .retval = POINTER_VALUE,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 leaks addr as return value"
- },
- {
- "pointer/scalar confusion in state equality check (way 2)",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
- BPF_JMP_A(1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = ACCEPT,
- .retval = POINTER_VALUE,
- .result_unpriv = REJECT,
- .errstr_unpriv = "R0 leaks addr as return value"
- },
- {
- "variable-offset ctx access",
- .insns = {
- /* Get an unknown value */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
- /* Make it small and 4-byte aligned */
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
- /* add it to skb. We now have either &skb->len or
- * &skb->pkt_type, but we don't know which
- */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
- /* dereference it */
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "variable ctx access var_off=(0x0; 0x4)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_LWT_IN,
- },
- {
- "variable-offset stack access",
- .insns = {
- /* Fill the top 8 bytes of the stack */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- /* Get an unknown value */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
- /* Make it small and 4-byte aligned */
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 8),
- /* add it to fp. We now have either fp-4 or fp-8, but
- * we don't know which
- */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
- /* dereference it */
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "variable stack access var_off=(0xfffffffffffffff8; 0x4)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_LWT_IN,
- },
- {
- "indirect variable-offset stack access",
- .insns = {
- /* Fill the top 8 bytes of the stack */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- /* Get an unknown value */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
- /* Make it small and 4-byte aligned */
- BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 8),
- /* add it to fp. We now have either fp-4 or fp-8, but
- * we don't know which
- */
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
- /* dereference it indirectly */
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 5 },
- .errstr = "variable stack read R2",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_LWT_IN,
- },
- {
- "direct stack access with 32-bit wraparound. test1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
- BPF_MOV32_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_EXIT_INSN()
- },
- .errstr = "fp pointer and 2147483647",
- .result = REJECT
- },
- {
- "direct stack access with 32-bit wraparound. test2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x3fffffff),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x3fffffff),
- BPF_MOV32_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_EXIT_INSN()
- },
- .errstr = "fp pointer and 1073741823",
- .result = REJECT
- },
- {
- "direct stack access with 32-bit wraparound. test3",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x1fffffff),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x1fffffff),
- BPF_MOV32_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
- BPF_EXIT_INSN()
- },
- .errstr = "fp pointer offset 1073741822",
- .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
- .result = REJECT
- },
- {
- "liveness pruning and write screening",
- .insns = {
- /* Get an unknown value */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
- /* branch conditions teach us nothing about R2 */
- BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 !read_ok",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_LWT_IN,
- },
- {
- "varlen_map_value_access pruning",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
- BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES),
- BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1),
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 3 },
- .errstr_unpriv = "R0 leaks addr",
- .errstr = "R0 unbounded memory access",
- .result_unpriv = REJECT,
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "invalid 64-bit BPF_END",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 0),
- {
- .code = BPF_ALU64 | BPF_END | BPF_TO_LE,
- .dst_reg = BPF_REG_0,
- .src_reg = 0,
- .off = 0,
- .imm = 32,
- },
- BPF_EXIT_INSN(),
- },
- .errstr = "unknown opcode d7",
- .result = REJECT,
- },
- {
- "XDP, using ifindex from netdev",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, ingress_ifindex)),
- BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 1, 1),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .retval = 1,
- },
- {
- "meta access, test1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 8),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid access to packet, off=-8",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test3",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test4",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test5",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_4, 3),
- BPF_MOV64_IMM(BPF_REG_2, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_xdp_adjust_meta),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R3 !read_ok",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test6",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_0, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test7",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test8",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test9",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1),
- BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test10",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_IMM(BPF_REG_5, 42),
- BPF_MOV64_IMM(BPF_REG_6, 24),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8),
- BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_5),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_5, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid access to packet",
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test11",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_IMM(BPF_REG_5, 42),
- BPF_MOV64_IMM(BPF_REG_6, 24),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8),
- BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8),
- BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_5),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_5, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "meta access, test12",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16),
- BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 5),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0),
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16),
- BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "arithmetic ops make PTR_TO_CTX unusable",
- .insns = {
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1,
- offsetof(struct __sk_buff, data) -
- offsetof(struct __sk_buff, mark)),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .errstr = "dereference of modified ctx ptr",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "pkt_end - pkt_start is allowed",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = TEST_DATA_LEN,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "XDP pkt read, pkt_end mangling, bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R3 pointer arithmetic on pkt_end",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "XDP pkt read, pkt_end mangling, bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_ALU64_IMM(BPF_SUB, BPF_REG_3, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R3 pointer arithmetic on pkt_end",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "XDP pkt read, pkt_data' > pkt_end, good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' > pkt_end, bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' > pkt_end, bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end > pkt_data', good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end > pkt_data', bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end > pkt_data', bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' < pkt_end, good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' < pkt_end, bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' < pkt_end, bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end < pkt_data', good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end < pkt_data', bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end < pkt_data', bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' >= pkt_end, good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' >= pkt_end, bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' >= pkt_end, bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end >= pkt_data', good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end >= pkt_data', bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end >= pkt_data', bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' <= pkt_end, good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' <= pkt_end, bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data' <= pkt_end, bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end <= pkt_data', good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end <= pkt_data', bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_end <= pkt_data', bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' > pkt_data, good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' > pkt_data, bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' > pkt_data, bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data > pkt_meta', good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data > pkt_meta', bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data > pkt_meta', bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' < pkt_data, good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' < pkt_data, bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' < pkt_data, bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data < pkt_meta', good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data < pkt_meta', bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data < pkt_meta', bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' >= pkt_data, good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' >= pkt_data, bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' >= pkt_data, bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data >= pkt_meta', good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data >= pkt_meta', bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data >= pkt_meta', bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' <= pkt_data, good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' <= pkt_data, bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_meta' <= pkt_data, bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data <= pkt_meta', good access",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data <= pkt_meta', bad access 1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "XDP pkt read, pkt_data <= pkt_meta', bad access 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data_meta)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R1 offset is outside of the packet",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "check deducing bounds from const, 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 1, 0),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R0 tried to subtract pointer from scalar",
- },
- {
- "check deducing bounds from const, 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 1, 1),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 1, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "check deducing bounds from const, 3",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 0, 0),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R0 tried to subtract pointer from scalar",
- },
- {
- "check deducing bounds from const, 4",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- },
- {
- "check deducing bounds from const, 5",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 1, 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R0 tried to subtract pointer from scalar",
- },
- {
- "check deducing bounds from const, 6",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R0 tried to subtract pointer from scalar",
- },
- {
- "check deducing bounds from const, 7",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, ~0),
- BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 0),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "dereference of modified ctx ptr",
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "check deducing bounds from const, 8",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, ~0),
- BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "dereference of modified ctx ptr",
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "check deducing bounds from const, 9",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 0),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R0 tried to subtract pointer from scalar",
- },
- {
- "check deducing bounds from const, 10",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 0, 0),
- /* Marks reg as unknown. */
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_0, 0),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "math between ctx pointer and register with unbounded min value is not allowed",
- },
- {
- "bpf_exit with invalid return code. test1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 has value (0x0; 0xffffffff)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "bpf_exit with invalid return code. test2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "bpf_exit with invalid return code. test3",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 3),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 has value (0x0; 0x3)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "bpf_exit with invalid return code. test4",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "bpf_exit with invalid return code. test5",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 has value (0x2; 0x0)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "bpf_exit with invalid return code. test6",
- .insns = {
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 is not a known value (ctx)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "bpf_exit with invalid return code. test7",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 4),
- BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 has unknown scalar value",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
- },
- {
- "calls: basic sanity",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .result = ACCEPT,
- },
- {
- "calls: not on unpriviledged",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "calls: div by 0 in subprog",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV32_IMM(BPF_REG_2, 0),
- BPF_MOV32_IMM(BPF_REG_3, 1),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_3, BPF_REG_2),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "calls: multiple ret types in subprog 1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_MOV32_IMM(BPF_REG_0, 42),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = REJECT,
- .errstr = "R0 invalid mem access 'inv'",
- },
- {
- "calls: multiple ret types in subprog 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 9),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6,
- offsetof(struct __sk_buff, data)),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 64),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .fixup_map_hash_8b = { 16 },
- .result = REJECT,
- .errstr = "R0 min value is outside of the array range",
- },
- {
- "calls: overlapping caller/callee",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "last insn is not an exit or jmp",
- .result = REJECT,
- },
- {
- "calls: wrong recursive calls",
- .insns = {
- BPF_JMP_IMM(BPF_JA, 0, 0, 4),
- BPF_JMP_IMM(BPF_JA, 0, 0, 4),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "jump out of range",
- .result = REJECT,
- },
- {
- "calls: wrong src reg",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 2, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "BPF_CALL uses reserved fields",
- .result = REJECT,
- },
- {
- "calls: wrong off value",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, -1, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "BPF_CALL uses reserved fields",
- .result = REJECT,
- },
- {
- "calls: jump back loop",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -1),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "back-edge from insn 0 to 0",
- .result = REJECT,
- },
- {
- "calls: conditional call",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "jump out of range",
- .result = REJECT,
- },
- {
- "calls: conditional call 2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 3),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .result = ACCEPT,
- },
- {
- "calls: conditional call 3",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_JMP_IMM(BPF_JA, 0, 0, 4),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, -6),
- BPF_MOV64_IMM(BPF_REG_0, 3),
- BPF_JMP_IMM(BPF_JA, 0, 0, -6),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "back-edge from insn",
- .result = REJECT,
- },
- {
- "calls: conditional call 4",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, -5),
- BPF_MOV64_IMM(BPF_REG_0, 3),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .result = ACCEPT,
- },
- {
- "calls: conditional call 5",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, -6),
- BPF_MOV64_IMM(BPF_REG_0, 3),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "back-edge from insn",
- .result = REJECT,
- },
- {
- "calls: conditional call 6",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, -2),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "back-edge from insn",
- .result = REJECT,
- },
- {
- "calls: using r0 returned by callee",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .result = ACCEPT,
- },
- {
- "calls: using uninit r0 from callee",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "!read_ok",
- .result = REJECT,
- },
- {
- "calls: callee is using r1",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_ACT,
- .result = ACCEPT,
- .retval = TEST_DATA_LEN,
- },
- {
- "calls: callee using args1",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "allowed for root only",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .retval = POINTER_VALUE,
- },
- {
- "calls: callee using wrong args2",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "R2 !read_ok",
- .result = REJECT,
- },
- {
- "calls: callee using two args",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
- offsetof(struct __sk_buff, len)),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_6,
- offsetof(struct __sk_buff, len)),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "allowed for root only",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- .retval = TEST_DATA_LEN + TEST_DATA_LEN - ETH_HLEN - ETH_HLEN,
- },
- {
- "calls: callee changing pkt pointers",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_6),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_8, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_8, BPF_REG_7, 2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- /* clear_all_pkt_pointers() has to walk all frames
- * to make sure that pkt pointers in the caller
- * are cleared when callee is calling a helper that
- * adjusts packet size
- */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_MOV32_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_xdp_adjust_head),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "R6 invalid mem access 'inv'",
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: two calls with args",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = TEST_DATA_LEN + TEST_DATA_LEN,
- },
- {
- "calls: calls with stack arith",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64),
- BPF_MOV64_IMM(BPF_REG_0, 42),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "calls: calls with misaligned stack access",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -63),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -61),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -63),
- BPF_MOV64_IMM(BPF_REG_0, 42),
- BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
- .errstr = "misaligned stack access",
- .result = REJECT,
- },
- {
- "calls: calls control flow, jump test",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 42),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 43),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, -3),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 43,
- },
- {
- "calls: calls control flow, jump test 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 42),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 43),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -3),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "jump out of range from insn 1 to 4",
- .result = REJECT,
- },
- {
- "calls: two calls with bad jump",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, -3),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "jump out of range from insn 11 to 9",
- .result = REJECT,
- },
- {
- "calls: recursive call. test1",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -1),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "back-edge",
- .result = REJECT,
- },
- {
- "calls: recursive call. test2",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -3),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "back-edge",
- .result = REJECT,
- },
- {
- "calls: unreachable code",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "unreachable insn 6",
- .result = REJECT,
- },
- {
- "calls: invalid call",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -4),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "invalid destination",
- .result = REJECT,
- },
- {
- "calls: invalid call 2",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 0x7fffffff),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "invalid destination",
- .result = REJECT,
- },
- {
- "calls: jumping across function bodies. test1",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -3),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "jump out of range",
- .result = REJECT,
- },
- {
- "calls: jumping across function bodies. test2",
- .insns = {
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "jump out of range",
- .result = REJECT,
- },
- {
- "calls: call without exit",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -2),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "not an exit",
- .result = REJECT,
- },
- {
- "calls: call into middle of ld_imm64",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_LD_IMM64(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "last insn",
- .result = REJECT,
- },
- {
- "calls: call into middle of other call",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "last insn",
- .result = REJECT,
- },
- {
- "calls: ld_abs with changing ctx data in callee",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_LD_ABS(BPF_B, 0),
- BPF_LD_ABS(BPF_H, 0),
- BPF_LD_ABS(BPF_W, 0),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
- BPF_LD_ABS(BPF_B, 0),
- BPF_LD_ABS(BPF_H, 0),
- BPF_LD_ABS(BPF_W, 0),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_MOV64_IMM(BPF_REG_3, 2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_vlan_push),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "BPF_LD_[ABS|IND] instructions cannot be mixed",
- .result = REJECT,
- },
- {
- "calls: two calls with bad fallthrough",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_0),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- .errstr = "not an exit",
- .result = REJECT,
- },
- {
- "calls: two calls with stack read",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .result = ACCEPT,
- },
- {
- "calls: two calls with stack write",
- .insns = {
- /* main prog */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -16),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 7),
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_8),
- /* write into stack frame of main prog */
- BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- /* read from stack frame of main prog */
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .result = ACCEPT,
- },
- {
- "calls: stack overflow using two frames (pre-call access)",
- .insns = {
- /* prog 1 */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
-
- /* prog 2 */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .errstr = "combined stack size",
- .result = REJECT,
- },
- {
- "calls: stack overflow using two frames (post-call access)",
- .insns = {
- /* prog 1 */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 2),
- BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
- BPF_EXIT_INSN(),
-
- /* prog 2 */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .errstr = "combined stack size",
- .result = REJECT,
- },
- {
- "calls: stack depth check using three frames. test1",
- .insns = {
- /* main */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4), /* call A */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 5), /* call B */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -32, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- /* A */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -256, 0),
- BPF_EXIT_INSN(),
- /* B */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, -3), /* call A */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -64, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- /* stack_main=32, stack_A=256, stack_B=64
- * and max(main+A, main+A+B) < 512
- */
- .result = ACCEPT,
- },
- {
- "calls: stack depth check using three frames. test2",
- .insns = {
- /* main */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4), /* call A */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 5), /* call B */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -32, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- /* A */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -64, 0),
- BPF_EXIT_INSN(),
- /* B */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, -3), /* call A */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -256, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- /* stack_main=32, stack_A=64, stack_B=256
- * and max(main+A, main+A+B) < 512
- */
- .result = ACCEPT,
- },
- {
- "calls: stack depth check using three frames. test3",
- .insns = {
- /* main */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 6), /* call A */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 8), /* call B */
- BPF_JMP_IMM(BPF_JGE, BPF_REG_6, 0, 1),
- BPF_ST_MEM(BPF_B, BPF_REG_10, -64, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- /* A */
- BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 10, 1),
- BPF_EXIT_INSN(),
- BPF_ST_MEM(BPF_B, BPF_REG_10, -224, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, -3),
- /* B */
- BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 2, 1),
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, -6), /* call A */
- BPF_ST_MEM(BPF_B, BPF_REG_10, -256, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- /* stack_main=64, stack_A=224, stack_B=256
- * and max(main+A, main+A+B) > 512
- */
- .errstr = "combined stack",
- .result = REJECT,
- },
- {
- "calls: stack depth check using three frames. test4",
- /* void main(void) {
- * func1(0);
- * func1(1);
- * func2(1);
- * }
- * void func1(int alloc_or_recurse) {
- * if (alloc_or_recurse) {
- * frame_pointer[-300] = 1;
- * } else {
- * func2(alloc_or_recurse);
- * }
- * }
- * void func2(int alloc_or_recurse) {
- * if (alloc_or_recurse) {
- * frame_pointer[-300] = 1;
- * }
- * }
- */
- .insns = {
- /* main */
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 6), /* call A */
- BPF_MOV64_IMM(BPF_REG_1, 1),
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4), /* call A */
- BPF_MOV64_IMM(BPF_REG_1, 1),
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 7), /* call B */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- /* A */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2),
- BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
- BPF_EXIT_INSN(),
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call B */
- BPF_EXIT_INSN(),
- /* B */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .result = REJECT,
- .errstr = "combined stack",
- },
- {
- "calls: stack depth check using three frames. test5",
- .insns = {
- /* main */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call A */
- BPF_EXIT_INSN(),
- /* A */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call B */
- BPF_EXIT_INSN(),
- /* B */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call C */
- BPF_EXIT_INSN(),
- /* C */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call D */
- BPF_EXIT_INSN(),
- /* D */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call E */
- BPF_EXIT_INSN(),
- /* E */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call F */
- BPF_EXIT_INSN(),
- /* F */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call G */
- BPF_EXIT_INSN(),
- /* G */
- BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call H */
- BPF_EXIT_INSN(),
- /* H */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .errstr = "call stack",
- .result = REJECT,
- },
- {
- "calls: spill into caller stack frame",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .errstr = "cannot spill",
- .result = REJECT,
- },
- {
- "calls: write into caller stack frame",
- .insns = {
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- BPF_EXIT_INSN(),
- BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 42),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "calls: write into callee stack frame",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, -8),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .errstr = "cannot return stack pointer",
- .result = REJECT,
- },
- {
- "calls: two calls with stack write and void return",
- .insns = {
- /* main prog */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -16),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- /* write into stack frame of main prog */
- BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
- BPF_EXIT_INSN(), /* void return */
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .result = ACCEPT,
- },
- {
- "calls: ambiguous return value",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .errstr_unpriv = "allowed for root only",
- .result_unpriv = REJECT,
- .errstr = "R0 !read_ok",
- .result = REJECT,
- },
- {
- "calls: two calls that return map_value",
- .insns = {
- /* main prog */
- /* pass fp-16, fp-8 into a function */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
-
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- /* fetch secound map_value_ptr from the stack */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -16),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- /* call 3rd function twice */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- /* first time with fp-8 */
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- /* second time with fp-16 */
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- /* lookup from map */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- /* write map_value_ptr into stack frame of main prog */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(), /* return 0 */
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .fixup_map_hash_8b = { 23 },
- .result = ACCEPT,
- },
- {
- "calls: two calls that return map_value with bool condition",
- .insns = {
- /* main prog */
- /* pass fp-16, fp-8 into a function */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- /* call 3rd function twice */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- /* first time with fp-8 */
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 9),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- /* second time with fp-16 */
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
- /* fetch secound map_value_ptr from the stack */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- /* lookup from map */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(), /* return 0 */
- /* write map_value_ptr into stack frame of main prog */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(), /* return 1 */
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .fixup_map_hash_8b = { 23 },
- .result = ACCEPT,
- },
- {
- "calls: two calls that return map_value with incorrect bool check",
- .insns = {
- /* main prog */
- /* pass fp-16, fp-8 into a function */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- /* call 3rd function twice */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- /* first time with fp-8 */
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 9),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- /* second time with fp-16 */
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- /* fetch secound map_value_ptr from the stack */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- /* lookup from map */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(), /* return 0 */
- /* write map_value_ptr into stack frame of main prog */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(), /* return 1 */
- },
- .prog_type = BPF_PROG_TYPE_XDP,
- .fixup_map_hash_8b = { 23 },
- .result = REJECT,
- .errstr = "invalid read from stack off -16+0 size 8",
- },
- {
- "calls: two calls that receive map_value via arg=ptr_stack_of_caller. test1",
- .insns = {
- /* main prog */
- /* pass fp-16, fp-8 into a function */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- /* 1st lookup from map */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_8, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- /* write map_value_ptr into stack frame of main prog at fp-8 */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_8, 1),
-
- /* 2nd lookup from map */
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), /* 20 */
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, /* 24 */
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_9, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- /* write map_value_ptr into stack frame of main prog at fp-16 */
- BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_9, 1),
-
- /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), /* 30 */
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1), /* 34 */
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- /* if arg2 == 1 do *arg1 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
-
- /* if arg4 == 1 do *arg3 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .fixup_map_hash_8b = { 12, 22 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=8 off=2 size=8",
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: two calls that receive map_value via arg=ptr_stack_of_caller. test2",
- .insns = {
- /* main prog */
- /* pass fp-16, fp-8 into a function */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- /* 1st lookup from map */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_8, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- /* write map_value_ptr into stack frame of main prog at fp-8 */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_8, 1),
-
- /* 2nd lookup from map */
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), /* 20 */
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, /* 24 */
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_9, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- /* write map_value_ptr into stack frame of main prog at fp-16 */
- BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_9, 1),
-
- /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), /* 30 */
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1), /* 34 */
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- /* if arg2 == 1 do *arg1 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
-
- /* if arg4 == 1 do *arg3 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .fixup_map_hash_8b = { 12, 22 },
- .result = ACCEPT,
- },
- {
- "calls: two jumps that receive map_value via arg=ptr_stack_of_jumper. test3",
- .insns = {
- /* main prog */
- /* pass fp-16, fp-8 into a function */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- /* 1st lookup from map */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -24, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -24),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_8, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- /* write map_value_ptr into stack frame of main prog at fp-8 */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_8, 1),
-
- /* 2nd lookup from map */
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -24),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_9, 0), // 26
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- /* write map_value_ptr into stack frame of main prog at fp-16 */
- BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_9, 1),
-
- /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), // 30
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1), // 34
- BPF_JMP_IMM(BPF_JA, 0, 0, -30),
-
- /* subprog 2 */
- /* if arg2 == 1 do *arg1 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
-
- /* if arg4 == 1 do *arg3 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, -8),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .fixup_map_hash_8b = { 12, 22 },
- .result = REJECT,
- .errstr = "invalid access to map value, value_size=8 off=2 size=8",
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: two calls that receive map_value_ptr_or_null via arg. test1",
- .insns = {
- /* main prog */
- /* pass fp-16, fp-8 into a function */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- /* 1st lookup from map */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- /* write map_value_ptr_or_null into stack frame of main prog at fp-8 */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_8, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_MOV64_IMM(BPF_REG_8, 1),
-
- /* 2nd lookup from map */
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- /* write map_value_ptr_or_null into stack frame of main prog at fp-16 */
- BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_9, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_MOV64_IMM(BPF_REG_9, 1),
-
- /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- /* if arg2 == 1 do *arg1 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
-
- /* if arg4 == 1 do *arg3 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .fixup_map_hash_8b = { 12, 22 },
- .result = ACCEPT,
- },
- {
- "calls: two calls that receive map_value_ptr_or_null via arg. test2",
- .insns = {
- /* main prog */
- /* pass fp-16, fp-8 into a function */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
- /* 1st lookup from map */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- /* write map_value_ptr_or_null into stack frame of main prog at fp-8 */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_8, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_MOV64_IMM(BPF_REG_8, 1),
-
- /* 2nd lookup from map */
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- /* write map_value_ptr_or_null into stack frame of main prog at fp-16 */
- BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV64_IMM(BPF_REG_9, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_MOV64_IMM(BPF_REG_9, 1),
-
- /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_ ## func)
- /* subprog 2 */
- /* if arg2 == 1 do *arg1 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
-
- /* if arg4 == 0 do *arg3 = 0 */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 0, 2),
- /* fetch map_value_ptr from the stack of this function */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
- /* write into map value */
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .fixup_map_hash_8b = { 12, 22 },
- .result = REJECT,
- .errstr = "R0 invalid mem access 'inv'",
- },
- {
- "calls: pkt_ptr spill into caller stack",
- .insns = {
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- /* spill unchecked pkt_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
- /* now the pkt range is verified, read pkt_ptr from stack */
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
- /* write 4 bytes into packet */
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = POINTER_VALUE,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: pkt_ptr spill into caller stack 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- /* Marking is still kept, but not in all cases safe. */
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_ST_MEM(BPF_W, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- /* spill unchecked pkt_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
- /* now the pkt range is verified, read pkt_ptr from stack */
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
- /* write 4 bytes into packet */
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "invalid access to packet",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: pkt_ptr spill into caller stack 3",
- .insns = {
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- /* Marking is still kept and safe here. */
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_ST_MEM(BPF_W, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- /* spill unchecked pkt_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
- BPF_MOV64_IMM(BPF_REG_5, 1),
- /* now the pkt range is verified, read pkt_ptr from stack */
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
- /* write 4 bytes into packet */
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 1,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: pkt_ptr spill into caller stack 4",
- .insns = {
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- /* Check marking propagated. */
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_ST_MEM(BPF_W, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- /* spill unchecked pkt_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
- BPF_MOV64_IMM(BPF_REG_5, 1),
- /* don't read back pkt_ptr from stack here */
- /* write 4 bytes into packet */
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 1,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: pkt_ptr spill into caller stack 5",
- .insns = {
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
- /* spill checked pkt_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_5, 1),
- /* don't read back pkt_ptr from stack here */
- /* write 4 bytes into packet */
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "same insn cannot be used with different",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: pkt_ptr spill into caller stack 6",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
- /* spill checked pkt_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_5, 1),
- /* don't read back pkt_ptr from stack here */
- /* write 4 bytes into packet */
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "R4 invalid mem access",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: pkt_ptr spill into caller stack 7",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
- /* spill checked pkt_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_5, 1),
- /* don't read back pkt_ptr from stack here */
- /* write 4 bytes into packet */
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "R4 invalid mem access",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: pkt_ptr spill into caller stack 8",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
- /* spill checked pkt_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_5, 1),
- /* don't read back pkt_ptr from stack here */
- /* write 4 bytes into packet */
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: pkt_ptr spill into caller stack 9",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- /* spill unchecked pkt_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
- BPF_MOV64_IMM(BPF_REG_5, 1),
- /* don't read back pkt_ptr from stack here */
- /* write 4 bytes into packet */
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "invalid access to packet",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "calls: caller stack init to zero or map_value_or_null",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- /* fetch map_value_or_null or const_zero from stack */
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- /* store into map_value */
- BPF_ST_MEM(BPF_W, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- /* if (ctx == 0) return; */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 8),
- /* else bpf_map_lookup() and *(fp - 8) = r0 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- /* write map_value_ptr_or_null into stack frame of main prog at fp-8 */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 13 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "calls: stack init to zero and pruning",
- .insns = {
- /* first make allocated_stack 16 byte */
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
- /* now fork the execution such that the false branch
- * of JGT insn will be verified second and it skisp zero
- * init of fp-8 stack slot. If stack liveness marking
- * is missing live_read marks from call map_lookup
- * processing then pruning will incorrectly assume
- * that fp-8 stack slot was unused in the fall-through
- * branch and will accept the program incorrectly
- */
- BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 2, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 6 },
- .errstr = "invalid indirect read from stack off -8+0 size 8",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_XDP,
- },
- {
- "calls: two calls returning different map pointers for lookup (hash, array)",
- .insns = {
- /* main prog */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
- BPF_CALL_REL(11),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_CALL_REL(12),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- /* subprog 1 */
- BPF_LD_MAP_FD(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- /* subprog 2 */
- BPF_LD_MAP_FD(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .fixup_map_hash_48b = { 13 },
- .fixup_map_array_48b = { 16 },
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "calls: two calls returning different map pointers for lookup (hash, map in map)",
- .insns = {
- /* main prog */
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
- BPF_CALL_REL(11),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_CALL_REL(12),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ST_MEM(BPF_DW, BPF_REG_0, 0,
- offsetof(struct test_val, foo)),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- /* subprog 1 */
- BPF_LD_MAP_FD(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- /* subprog 2 */
- BPF_LD_MAP_FD(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .fixup_map_in_map = { 16 },
- .fixup_map_array_48b = { 13 },
- .result = REJECT,
- .errstr = "R0 invalid mem access 'map_ptr'",
- },
- {
- "cond: two branches returning different map pointers for lookup (tail, tail)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 3),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 7),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 5 },
- .fixup_prog2 = { 2 },
- .result_unpriv = REJECT,
- .errstr_unpriv = "tail_call abusing map_ptr",
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "cond: two branches returning same map pointers for lookup (tail, tail)",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 3),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_JMP_IMM(BPF_JA, 0, 0, 2),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_3, 7),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .fixup_prog2 = { 2, 5 },
- .result_unpriv = ACCEPT,
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "search pruning: all branches should be verified (nop operation)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_3, 0xbeef, 2),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_A(1),
- BPF_MOV64_IMM(BPF_REG_4, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -16),
- BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
- BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -16),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_5, 0, 2),
- BPF_MOV64_IMM(BPF_REG_6, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_6, 0, 0xdead),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "R6 invalid mem access 'inv'",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "search pruning: all branches should be verified (invalid stack access)",
- .insns = {
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_3, 0xbeef, 2),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -16),
- BPF_JMP_A(1),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -24),
- BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
- BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -16),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .errstr = "invalid read from stack off -16+0 size 8",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "jit: lsh, rsh, arsh by 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_MOV64_IMM(BPF_REG_1, 0xff),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 1),
- BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x3fc, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 1),
- BPF_ALU32_IMM(BPF_RSH, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0xff, 1),
- BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x7f, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 2,
- },
- {
- "jit: mov32 for ldimm64, 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_LD_IMM64(BPF_REG_1, 0xfeffffffffffffffULL),
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 32),
- BPF_LD_IMM64(BPF_REG_2, 0xfeffffffULL),
- BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 2,
- },
- {
- "jit: mov32 for ldimm64, 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_LD_IMM64(BPF_REG_1, 0x1ffffffffULL),
- BPF_LD_IMM64(BPF_REG_2, 0xffffffffULL),
- BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 2,
- },
- {
- "jit: various mul tests",
- .insns = {
- BPF_LD_IMM64(BPF_REG_2, 0xeeff0d413122ULL),
- BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL),
- BPF_LD_IMM64(BPF_REG_1, 0xefefefULL),
- BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
- BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
- BPF_ALU64_REG(BPF_MUL, BPF_REG_3, BPF_REG_1),
- BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV32_REG(BPF_REG_2, BPF_REG_2),
- BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL),
- BPF_ALU32_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
- BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
- BPF_ALU32_REG(BPF_MUL, BPF_REG_3, BPF_REG_1),
- BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_LD_IMM64(BPF_REG_0, 0x952a7bbcULL),
- BPF_LD_IMM64(BPF_REG_1, 0xfefefeULL),
- BPF_LD_IMM64(BPF_REG_2, 0xeeff0d413122ULL),
- BPF_ALU32_REG(BPF_MUL, BPF_REG_2, BPF_REG_1),
- BPF_JMP_REG(BPF_JEQ, BPF_REG_2, BPF_REG_0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 2,
- },
- {
- "xadd/w check unaligned stack",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_STX_XADD(BPF_W, BPF_REG_10, BPF_REG_0, -7),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "misaligned stack access off",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "xadd/w check unaligned map",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_1, 1),
- BPF_STX_XADD(BPF_W, BPF_REG_0, BPF_REG_1, 3),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 3),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_8b = { 3 },
- .result = REJECT,
- .errstr = "misaligned value access off",
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- },
- {
- "xadd/w check unaligned pkt",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct xdp_md, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct xdp_md, data_end)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
- BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 2),
- BPF_MOV64_IMM(BPF_REG_0, 99),
- BPF_JMP_IMM(BPF_JA, 0, 0, 6),
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
- BPF_ST_MEM(BPF_W, BPF_REG_2, 3, 0),
- BPF_STX_XADD(BPF_W, BPF_REG_2, BPF_REG_0, 1),
- BPF_STX_XADD(BPF_W, BPF_REG_2, BPF_REG_0, 2),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 1),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "BPF_XADD stores into R2 pkt is not allowed",
- .prog_type = BPF_PROG_TYPE_XDP,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "xadd/w check whether src/dst got mangled, 1",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
- BPF_JMP_REG(BPF_JNE, BPF_REG_6, BPF_REG_0, 3),
- BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_10, 2),
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 42),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = 3,
- },
- {
- "xadd/w check whether src/dst got mangled, 2",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
- BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -8),
- BPF_STX_XADD(BPF_W, BPF_REG_10, BPF_REG_0, -8),
- BPF_STX_XADD(BPF_W, BPF_REG_10, BPF_REG_0, -8),
- BPF_JMP_REG(BPF_JNE, BPF_REG_6, BPF_REG_0, 3),
- BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_10, 2),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -8),
- BPF_EXIT_INSN(),
- BPF_MOV64_IMM(BPF_REG_0, 42),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = 3,
- },
- {
- "bpf_get_stack return R0 within range",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 28),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_9, sizeof(struct test_val)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
- BPF_MOV64_IMM(BPF_REG_3, sizeof(struct test_val)),
- BPF_MOV64_IMM(BPF_REG_4, 256),
- BPF_EMIT_CALL(BPF_FUNC_get_stack),
- BPF_MOV64_IMM(BPF_REG_1, 0),
- BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_8, 32),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_8, 32),
- BPF_JMP_REG(BPF_JSLT, BPF_REG_1, BPF_REG_8, 16),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_8),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_9),
- BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 32),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 32),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- BPF_MOV64_IMM(BPF_REG_5, sizeof(struct test_val)),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_5),
- BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_MOV64_REG(BPF_REG_3, BPF_REG_9),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_EMIT_CALL(BPF_FUNC_get_stack),
- BPF_EXIT_INSN(),
- },
- .fixup_map_hash_48b = { 4 },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_TRACEPOINT,
- },
- {
- "ld_abs: invalid op 1",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_LD_ABS(BPF_DW, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = REJECT,
- .errstr = "unknown opcode",
- },
- {
- "ld_abs: invalid op 2",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_0, 256),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_LD_IND(BPF_DW, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = REJECT,
- .errstr = "unknown opcode",
- },
- {
- "ld_abs: nmap reduced",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_LD_ABS(BPF_H, 12),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 28),
- BPF_LD_ABS(BPF_H, 12),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 26),
- BPF_MOV32_IMM(BPF_REG_0, 18),
- BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -64),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -64),
- BPF_LD_IND(BPF_W, BPF_REG_7, 14),
- BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -60),
- BPF_MOV32_IMM(BPF_REG_0, 280971478),
- BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -56),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -56),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -60),
- BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_7),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 15),
- BPF_LD_ABS(BPF_H, 12),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 13),
- BPF_MOV32_IMM(BPF_REG_0, 22),
- BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -56),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -56),
- BPF_LD_IND(BPF_H, BPF_REG_7, 14),
- BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -52),
- BPF_MOV32_IMM(BPF_REG_0, 17366),
- BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -48),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -48),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -52),
- BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_7),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
- BPF_MOV32_IMM(BPF_REG_0, 256),
- BPF_EXIT_INSN(),
- BPF_MOV32_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .data = {
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0x06, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0x10, 0xbf, 0x48, 0xd6, 0x43, 0xd6,
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 256,
- },
- {
- "ld_abs: div + abs, test 1",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
- BPF_LD_ABS(BPF_B, 3),
- BPF_ALU64_IMM(BPF_MOV, BPF_REG_2, 2),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_2),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_8, BPF_REG_0),
- BPF_LD_ABS(BPF_B, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0),
- BPF_LD_IND(BPF_B, BPF_REG_8, -70),
- BPF_EXIT_INSN(),
- },
- .data = {
- 10, 20, 30, 40, 50,
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 10,
- },
- {
- "ld_abs: div + abs, test 2",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
- BPF_LD_ABS(BPF_B, 3),
- BPF_ALU64_IMM(BPF_MOV, BPF_REG_2, 2),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_2),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_8, BPF_REG_0),
- BPF_LD_ABS(BPF_B, 128),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0),
- BPF_LD_IND(BPF_B, BPF_REG_8, -70),
- BPF_EXIT_INSN(),
- },
- .data = {
- 10, 20, 30, 40, 50,
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "ld_abs: div + abs, test 3",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
- BPF_ALU64_IMM(BPF_MOV, BPF_REG_7, 0),
- BPF_LD_ABS(BPF_B, 3),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_7),
- BPF_EXIT_INSN(),
- },
- .data = {
- 10, 20, 30, 40, 50,
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "ld_abs: div + abs, test 4",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
- BPF_ALU64_IMM(BPF_MOV, BPF_REG_7, 0),
- BPF_LD_ABS(BPF_B, 256),
- BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_7),
- BPF_EXIT_INSN(),
- },
- .data = {
- 10, 20, 30, 40, 50,
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "ld_abs: vlan + abs, test 1",
- .insns = { },
- .data = {
- 0x34,
- },
- .fill_helper = bpf_fill_ld_abs_vlan_push_pop,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 0xbef,
- },
- {
- "ld_abs: vlan + abs, test 2",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_LD_ABS(BPF_B, 0),
- BPF_LD_ABS(BPF_H, 0),
- BPF_LD_ABS(BPF_W, 0),
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
- BPF_MOV64_IMM(BPF_REG_6, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- BPF_MOV64_IMM(BPF_REG_2, 1),
- BPF_MOV64_IMM(BPF_REG_3, 2),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_skb_vlan_push),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
- BPF_LD_ABS(BPF_B, 0),
- BPF_LD_ABS(BPF_H, 0),
- BPF_LD_ABS(BPF_W, 0),
- BPF_MOV64_IMM(BPF_REG_0, 42),
- BPF_EXIT_INSN(),
- },
- .data = {
- 0x34,
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 42,
- },
- {
- "ld_abs: jump around ld_abs",
- .insns = { },
- .data = {
- 10, 11,
- },
- .fill_helper = bpf_fill_jump_around_ld_abs,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 10,
- },
- {
- "ld_dw: xor semi-random 64 bit imms, test 1",
- .insns = { },
- .data = { },
- .fill_helper = bpf_fill_rand_ld_dw,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 4090,
- },
- {
- "ld_dw: xor semi-random 64 bit imms, test 2",
- .insns = { },
- .data = { },
- .fill_helper = bpf_fill_rand_ld_dw,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 2047,
- },
- {
- "ld_dw: xor semi-random 64 bit imms, test 3",
- .insns = { },
- .data = { },
- .fill_helper = bpf_fill_rand_ld_dw,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 511,
- },
- {
- "ld_dw: xor semi-random 64 bit imms, test 4",
- .insns = { },
- .data = { },
- .fill_helper = bpf_fill_rand_ld_dw,
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 5,
- },
- {
- "pass unmodified ctx pointer to helper",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_update),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "reference tracking: leak potential reference",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), /* leak reference */
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "Unreleased reference",
- .result = REJECT,
- },
- {
- "reference tracking: leak potential reference on stack",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "Unreleased reference",
- .result = REJECT,
- },
- {
- "reference tracking: leak potential reference on stack 2",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "Unreleased reference",
- .result = REJECT,
- },
- {
- "reference tracking: zero potential reference",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_IMM(BPF_REG_0, 0), /* leak reference */
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "Unreleased reference",
- .result = REJECT,
- },
- {
- "reference tracking: copy and zero potential references",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_MOV64_IMM(BPF_REG_7, 0), /* leak reference */
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "Unreleased reference",
- .result = REJECT,
- },
- {
- "reference tracking: release reference without check",
- .insns = {
- BPF_SK_LOOKUP,
- /* reference in r0 may be NULL */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "type=sock_or_null expected=sock",
- .result = REJECT,
- },
- {
- "reference tracking: release reference",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "reference tracking: release reference 2",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_EXIT_INSN(),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "reference tracking: release reference twice",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "type=inv expected=sock",
- .result = REJECT,
- },
- {
- "reference tracking: release reference twice inside branch",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3), /* goto end */
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "type=inv expected=sock",
- .result = REJECT,
- },
- {
- "reference tracking: alloc, check, free in one subbranch",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 16),
- /* if (offsetof(skb, mark) > data_len) exit; */
- BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_2,
- offsetof(struct __sk_buff, mark)),
- BPF_SK_LOOKUP,
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 1), /* mark == 0? */
- /* Leak reference in R0 */
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), /* sk NULL? */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "Unreleased reference",
- .result = REJECT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "reference tracking: alloc, check, free in both subbranches",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 16),
- /* if (offsetof(skb, mark) > data_len) exit; */
- BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_2,
- offsetof(struct __sk_buff, mark)),
- BPF_SK_LOOKUP,
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 4), /* mark == 0? */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), /* sk NULL? */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), /* sk NULL? */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
- },
- {
- "reference tracking in call: free reference in subprog",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), /* unchecked reference */
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "pass modified ctx pointer to helper, 1",
- .insns = {
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -612),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_update),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = REJECT,
- .errstr = "dereference of modified ctx ptr",
- },
- {
- "pass modified ctx pointer to helper, 2",
- .insns = {
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -612),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_socket_cookie),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result_unpriv = REJECT,
- .result = REJECT,
- .errstr_unpriv = "dereference of modified ctx ptr",
- .errstr = "dereference of modified ctx ptr",
- },
- {
- "pass modified ctx pointer to helper, 3",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_3, 4),
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_csum_update),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = REJECT,
- .errstr = "variable ctx access var_off=(0x0; 0x4)",
- },
- {
- "mov64 src == dst",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_2, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_2),
- // Check bounds are OK
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "mov64 src != dst",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_3),
- // Check bounds are OK
- BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "allocated_stack",
- .insns = {
- BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
- BPF_ALU64_REG(BPF_MOV, BPF_REG_7, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, -8),
- BPF_STX_MEM(BPF_B, BPF_REG_10, BPF_REG_7, -9),
- BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_10, -9),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = ACCEPT,
- .insn_processed = 15,
- },
- {
- "masking, test out of bounds 1",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 5),
- BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 2",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 1),
- BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 3",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
- BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 4",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
- BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 5",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, -1),
- BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 6",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, -1),
- BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 7",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 5),
- BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 8",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 1),
- BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 9",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
- BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 10",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
- BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 11",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, -1),
- BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test out of bounds 12",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_1, -1),
- BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test in bounds 1",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 4),
- BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 4,
- },
- {
- "masking, test in bounds 2",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test in bounds 3",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0xfffffffe),
- BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0xfffffffe,
- },
- {
- "masking, test in bounds 4",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0xabcde),
- BPF_MOV32_IMM(BPF_REG_2, 0xabcdef - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0xabcde,
- },
- {
- "masking, test in bounds 5",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 0),
- BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "masking, test in bounds 6",
- .insns = {
- BPF_MOV32_IMM(BPF_REG_1, 46),
- BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 46,
- },
- {
- "masking, test in bounds 7",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_3, -46),
- BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
- BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 46,
- },
- {
- "masking, test in bounds 8",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_3, -47),
- BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
- BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
- BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
- BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
- BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
- BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
- BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .retval = 0,
- },
- {
- "reference tracking in call: free reference in subprog and outside",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), /* unchecked reference */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "type=inv expected=sock",
- .result = REJECT,
- },
- {
- "reference tracking in call: alloc & leak reference in subprog",
- .insns = {
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_4),
- BPF_SK_LOOKUP,
- /* spill unchecked sk_ptr into stack of caller */
- BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "Unreleased reference",
- .result = REJECT,
- },
- {
- "reference tracking in call: alloc in subprog, release outside",
- .insns = {
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_SK_LOOKUP,
- BPF_EXIT_INSN(), /* return sk */
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .retval = POINTER_VALUE,
- .result = ACCEPT,
- },
- {
- "reference tracking in call: sk_ptr leak into caller stack",
- .insns = {
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
- /* spill unchecked sk_ptr into stack of caller */
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_5, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- BPF_SK_LOOKUP,
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "Unreleased reference",
- .result = REJECT,
- },
- {
- "reference tracking in call: sk_ptr spill into caller stack",
- .insns = {
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
-
- /* subprog 1 */
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
- BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
- /* spill unchecked sk_ptr into stack of caller */
- BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
- BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_5, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- /* now the sk_ptr is verified, free the reference */
- BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_4, 0),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
-
- /* subprog 2 */
- BPF_SK_LOOKUP,
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "reference tracking: allow LD_ABS",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_LD_ABS(BPF_B, 0),
- BPF_LD_ABS(BPF_H, 0),
- BPF_LD_ABS(BPF_W, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "reference tracking: forbid LD_ABS while holding reference",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_SK_LOOKUP,
- BPF_LD_ABS(BPF_B, 0),
- BPF_LD_ABS(BPF_H, 0),
- BPF_LD_ABS(BPF_W, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "BPF_LD_[ABS|IND] cannot be mixed with socket references",
- .result = REJECT,
- },
- {
- "reference tracking: allow LD_IND",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_MOV64_IMM(BPF_REG_7, 1),
- BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 1,
- },
- {
- "reference tracking: forbid LD_IND while holding reference",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_7, 1),
- BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "BPF_LD_[ABS|IND] cannot be mixed with socket references",
- .result = REJECT,
- },
- {
- "reference tracking: check reference or tail call",
- .insns = {
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
- BPF_SK_LOOKUP,
- /* if (sk) bpf_sk_release() */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 7),
- /* bpf_tail_call() */
- BPF_MOV64_IMM(BPF_REG_3, 2),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 17 },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "reference tracking: release reference then tail call",
- .insns = {
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
- BPF_SK_LOOKUP,
- /* if (sk) bpf_sk_release() */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- /* bpf_tail_call() */
- BPF_MOV64_IMM(BPF_REG_3, 2),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 18 },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "reference tracking: leak possible reference over tail call",
- .insns = {
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
- /* Look up socket and store in REG_6 */
- BPF_SK_LOOKUP,
- /* bpf_tail_call() */
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_3, 2),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- /* if (sk) bpf_sk_release() */
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 16 },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "tail_call would lead to reference leak",
- .result = REJECT,
- },
- {
- "reference tracking: leak checked reference over tail call",
- .insns = {
- BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
- /* Look up socket and store in REG_6 */
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- /* if (!sk) goto end */
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
- /* bpf_tail_call() */
- BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_LD_MAP_FD(BPF_REG_2, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_tail_call),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .fixup_prog1 = { 17 },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "tail_call would lead to reference leak",
- .result = REJECT,
- },
- {
- "reference tracking: mangle and release sock_or_null",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 5),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "R1 pointer arithmetic on sock_or_null prohibited",
- .result = REJECT,
- },
- {
- "reference tracking: mangle and release sock",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 5),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "R1 pointer arithmetic on sock prohibited",
- .result = REJECT,
- },
- {
- "reference tracking: access member",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "reference tracking: write to member",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_LD_IMM64(BPF_REG_2, 42),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_2,
- offsetof(struct bpf_sock, mark)),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_LD_IMM64(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "cannot write into socket",
- .result = REJECT,
- },
- {
- "reference tracking: invalid 64-bit access of member",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "invalid bpf_sock access off=0 size=8",
- .result = REJECT,
- },
- {
- "reference tracking: access after release",
- .insns = {
- BPF_SK_LOOKUP,
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "!read_ok",
- .result = REJECT,
- },
- {
- "reference tracking: direct access for lookup",
- .insns = {
- /* Check that the packet is at least 64B long */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 64),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 9),
- /* sk = sk_lookup_tcp(ctx, skb->data, ...) */
- BPF_MOV64_IMM(BPF_REG_3, sizeof(struct bpf_sock_tuple)),
- BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_MOV64_IMM(BPF_REG_5, 0),
- BPF_EMIT_CALL(BPF_FUNC_sk_lookup_tcp),
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_0, 4),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_EMIT_CALL(BPF_FUNC_sk_release),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "calls: ctx read at start of subprog",
- .insns = {
- BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
- BPF_JMP_REG(BPF_JSGT, BPF_REG_0, BPF_REG_0, 0),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
- .result_unpriv = REJECT,
- .result = ACCEPT,
- },
- {
- "check wire_len is not readable by sockets",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, wire_len)),
- BPF_EXIT_INSN(),
- },
- .errstr = "invalid bpf_context access",
- .result = REJECT,
- },
- {
- "check wire_len is readable by tc classifier",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, wire_len)),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- },
- {
- "check wire_len is not writable by tc classifier",
- .insns = {
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
- offsetof(struct __sk_buff, wire_len)),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "invalid bpf_context access",
- .errstr_unpriv = "R1 leaks addr",
- .result = REJECT,
- },
- {
- "calls: cross frame pruning",
- .insns = {
- /* r8 = !!random();
- * call pruner()
- * if (r8)
- * do something bad;
- */
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_prandom_u32),
- BPF_MOV64_IMM(BPF_REG_8, 0),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
- BPF_MOV64_IMM(BPF_REG_8, 1),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_8, 1, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_1, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
- .errstr = "!read_ok",
- .result = REJECT,
- },
- {
- "jset: functional",
- .insns = {
- /* r0 = 0 */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- /* prep for direct packet access via r2 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_4, BPF_REG_3, 1),
- BPF_EXIT_INSN(),
-
- BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
-
- /* reg, bit 63 or bit 0 set, taken */
- BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
- BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
- BPF_EXIT_INSN(),
-
- /* reg, bit 62, not taken */
- BPF_LD_IMM64(BPF_REG_8, 0x4000000000000000),
- BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_EXIT_INSN(),
-
- /* imm, any bit set, taken */
- BPF_JMP_IMM(BPF_JSET, BPF_REG_7, -1, 1),
- BPF_EXIT_INSN(),
-
- /* imm, bit 31 set, taken */
- BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
- BPF_EXIT_INSN(),
-
- /* all good - return r0 == 2 */
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .runs = 7,
- .retvals = {
- { .retval = 2,
- .data64 = { (1ULL << 63) | (1U << 31) | (1U << 0), }
- },
- { .retval = 2,
- .data64 = { (1ULL << 63) | (1U << 31), }
- },
- { .retval = 2,
- .data64 = { (1ULL << 31) | (1U << 0), }
- },
- { .retval = 2,
- .data64 = { (__u32)-1, }
- },
- { .retval = 2,
- .data64 = { ~0x4000000000000000ULL, }
- },
- { .retval = 0,
- .data64 = { 0, }
- },
- { .retval = 0,
- .data64 = { ~0ULL, }
- },
- },
- },
- {
- "jset: sign-extend",
- .insns = {
- /* r0 = 0 */
- BPF_MOV64_IMM(BPF_REG_0, 0),
- /* prep for direct packet access via r2 */
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
- BPF_JMP_REG(BPF_JLE, BPF_REG_4, BPF_REG_3, 1),
- BPF_EXIT_INSN(),
-
- BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
-
- BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
- BPF_EXIT_INSN(),
+/* BPF_DIRECT_PKT_R2 contains 7 instructions, it initializes default return
+ * value into 0 and does necessary preparation for direct packet access
+ * through r2. The allowed access range is 8 bytes.
+ */
+#define BPF_DIRECT_PKT_R2 \
+ BPF_MOV64_IMM(BPF_REG_0, 0), \
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, \
+ offsetof(struct __sk_buff, data)), \
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, \
+ offsetof(struct __sk_buff, data_end)), \
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2), \
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8), \
+ BPF_JMP_REG(BPF_JLE, BPF_REG_4, BPF_REG_3, 1), \
+ BPF_EXIT_INSN()
+
+/* BPF_RAND_UEXT_R7 contains 4 instructions, it initializes R7 into a random
+ * positive u32, and zero-extend it into 64-bit.
+ */
+#define BPF_RAND_UEXT_R7 \
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, \
+ BPF_FUNC_get_prandom_u32), \
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), \
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_7, 33), \
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_7, 33)
+
+/* BPF_RAND_SEXT_R7 contains 5 instructions, it initializes R7 into a random
+ * negative u32, and sign-extend it into 64-bit.
+ */
+#define BPF_RAND_SEXT_R7 \
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, \
+ BPF_FUNC_get_prandom_u32), \
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), \
+ BPF_ALU64_IMM(BPF_OR, BPF_REG_7, 0x80000000), \
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_7, 32), \
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_7, 32)
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .result = ACCEPT,
- .retval = 2,
- .data = { 1, 0, 0, 0, 0, 0, 0, 1, },
- },
- {
- "jset: known const compare",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .retval_unpriv = 1,
- .result_unpriv = ACCEPT,
- .retval = 1,
- .result = ACCEPT,
- },
- {
- "jset: known const compare bad",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "!read_ok",
- .result_unpriv = REJECT,
- .errstr = "!read_ok",
- .result = REJECT,
- },
- {
- "jset: unknown const compare taken",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_prandom_u32),
- BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
- BPF_JMP_IMM(BPF_JA, 0, 0, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "!read_ok",
- .result_unpriv = REJECT,
- .errstr = "!read_ok",
- .result = REJECT,
- },
- {
- "jset: unknown const compare not taken",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_prandom_u32),
- BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "!read_ok",
- .result_unpriv = REJECT,
- .errstr = "!read_ok",
- .result = REJECT,
- },
- {
- "jset: half-known const compare",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_prandom_u32),
- BPF_ALU64_IMM(BPF_OR, BPF_REG_0, 2),
- BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .result_unpriv = ACCEPT,
- .result = ACCEPT,
- },
- {
- "jset: range",
- .insns = {
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
- BPF_FUNC_get_prandom_u32),
- BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xff),
- BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0xf0, 3),
- BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 0x10, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0x10, 1),
- BPF_EXIT_INSN(),
- BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0x10, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
- BPF_EXIT_INSN(),
- },
- .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .result_unpriv = ACCEPT,
- .result = ACCEPT,
- },
+static struct bpf_test tests[] = {
+#define FILL_ARRAY
+#include <verifier/tests.h>
+#undef FILL_ARRAY
};
static int probe_filter_length(const struct bpf_insn *fp)
@@ -15611,19 +357,40 @@ static int probe_filter_length(const struct bpf_insn *fp)
return len + 1;
}
-static int create_map(uint32_t type, uint32_t size_key,
- uint32_t size_value, uint32_t max_elem)
+static bool skip_unsupported_map(enum bpf_map_type map_type)
+{
+ if (!bpf_probe_map_type(map_type, 0)) {
+ printf("SKIP (unsupported map type %d)\n", map_type);
+ skips++;
+ return true;
+ }
+ return false;
+}
+
+static int __create_map(uint32_t type, uint32_t size_key,
+ uint32_t size_value, uint32_t max_elem,
+ uint32_t extra_flags)
{
int fd;
fd = bpf_create_map(type, size_key, size_value, max_elem,
- type == BPF_MAP_TYPE_HASH ? BPF_F_NO_PREALLOC : 0);
- if (fd < 0)
+ (type == BPF_MAP_TYPE_HASH ?
+ BPF_F_NO_PREALLOC : 0) | extra_flags);
+ if (fd < 0) {
+ if (skip_unsupported_map(type))
+ return -1;
printf("Failed to create hash map '%s'!\n", strerror(errno));
+ }
return fd;
}
+static int create_map(uint32_t type, uint32_t size_key,
+ uint32_t size_value, uint32_t max_elem)
+{
+ return __create_map(type, size_key, size_value, max_elem, 0);
+}
+
static void update_map(int fd, int index)
{
struct test_val value = {
@@ -15669,6 +436,8 @@ static int create_prog_array(enum bpf_prog_type prog_type, uint32_t max_elem,
mfd = bpf_create_map(BPF_MAP_TYPE_PROG_ARRAY, sizeof(int),
sizeof(int), max_elem, 0);
if (mfd < 0) {
+ if (skip_unsupported_map(BPF_MAP_TYPE_PROG_ARRAY))
+ return -1;
printf("Failed to create prog array '%s'!\n", strerror(errno));
return -1;
}
@@ -15699,15 +468,20 @@ static int create_map_in_map(void)
inner_map_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, sizeof(int),
sizeof(int), 1, 0);
if (inner_map_fd < 0) {
+ if (skip_unsupported_map(BPF_MAP_TYPE_ARRAY))
+ return -1;
printf("Failed to create array '%s'!\n", strerror(errno));
return inner_map_fd;
}
outer_map_fd = bpf_create_map_in_map(BPF_MAP_TYPE_ARRAY_OF_MAPS, NULL,
sizeof(int), inner_map_fd, 1, 0);
- if (outer_map_fd < 0)
+ if (outer_map_fd < 0) {
+ if (skip_unsupported_map(BPF_MAP_TYPE_ARRAY_OF_MAPS))
+ return -1;
printf("Failed to create array of maps '%s'!\n",
strerror(errno));
+ }
close(inner_map_fd);
@@ -15722,10 +496,112 @@ static int create_cgroup_storage(bool percpu)
fd = bpf_create_map(type, sizeof(struct bpf_cgroup_storage_key),
TEST_DATA_LEN, 0, 0);
- if (fd < 0)
+ if (fd < 0) {
+ if (skip_unsupported_map(type))
+ return -1;
printf("Failed to create cgroup storage '%s'!\n",
strerror(errno));
+ }
+
+ return fd;
+}
+
+/* struct bpf_spin_lock {
+ * int val;
+ * };
+ * struct val {
+ * int cnt;
+ * struct bpf_spin_lock l;
+ * };
+ */
+static const char btf_str_sec[] = "\0bpf_spin_lock\0val\0cnt\0l";
+static __u32 btf_raw_types[] = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* struct bpf_spin_lock */ /* [2] */
+ BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),
+ BTF_MEMBER_ENC(15, 1, 0), /* int val; */
+ /* struct val */ /* [3] */
+ BTF_TYPE_ENC(15, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
+ BTF_MEMBER_ENC(19, 1, 0), /* int cnt; */
+ BTF_MEMBER_ENC(23, 2, 32),/* struct bpf_spin_lock l; */
+};
+
+static int load_btf(void)
+{
+ struct btf_header hdr = {
+ .magic = BTF_MAGIC,
+ .version = BTF_VERSION,
+ .hdr_len = sizeof(struct btf_header),
+ .type_len = sizeof(btf_raw_types),
+ .str_off = sizeof(btf_raw_types),
+ .str_len = sizeof(btf_str_sec),
+ };
+ void *ptr, *raw_btf;
+ int btf_fd;
+
+ ptr = raw_btf = malloc(sizeof(hdr) + sizeof(btf_raw_types) +
+ sizeof(btf_str_sec));
+
+ memcpy(ptr, &hdr, sizeof(hdr));
+ ptr += sizeof(hdr);
+ memcpy(ptr, btf_raw_types, hdr.type_len);
+ ptr += hdr.type_len;
+ memcpy(ptr, btf_str_sec, hdr.str_len);
+ ptr += hdr.str_len;
+
+ btf_fd = bpf_load_btf(raw_btf, ptr - raw_btf, 0, 0, 0);
+ free(raw_btf);
+ if (btf_fd < 0)
+ return -1;
+ return btf_fd;
+}
+
+static int create_map_spin_lock(void)
+{
+ struct bpf_create_map_attr attr = {
+ .name = "test_map",
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .key_size = 4,
+ .value_size = 8,
+ .max_entries = 1,
+ .btf_key_type_id = 1,
+ .btf_value_type_id = 3,
+ };
+ int fd, btf_fd;
+
+ btf_fd = load_btf();
+ if (btf_fd < 0)
+ return -1;
+ attr.btf_fd = btf_fd;
+ fd = bpf_create_map_xattr(&attr);
+ if (fd < 0)
+ printf("Failed to create map with spin_lock\n");
+ return fd;
+}
+
+static int create_sk_storage_map(void)
+{
+ struct bpf_create_map_attr attr = {
+ .name = "test_map",
+ .map_type = BPF_MAP_TYPE_SK_STORAGE,
+ .key_size = 4,
+ .value_size = 8,
+ .max_entries = 0,
+ .map_flags = BPF_F_NO_PREALLOC,
+ .btf_key_type_id = 1,
+ .btf_value_type_id = 3,
+ };
+ int fd, btf_fd;
+ btf_fd = load_btf();
+ if (btf_fd < 0)
+ return -1;
+ attr.btf_fd = btf_fd;
+ fd = bpf_create_map_xattr(&attr);
+ close(attr.btf_fd);
+ if (fd < 0)
+ printf("Failed to create sk_storage_map\n");
return fd;
}
@@ -15747,9 +623,16 @@ static void do_test_fixup(struct bpf_test *test, enum bpf_prog_type prog_type,
int *fixup_map_in_map = test->fixup_map_in_map;
int *fixup_cgroup_storage = test->fixup_cgroup_storage;
int *fixup_percpu_cgroup_storage = test->fixup_percpu_cgroup_storage;
-
- if (test->fill_helper)
+ int *fixup_map_spin_lock = test->fixup_map_spin_lock;
+ int *fixup_map_array_ro = test->fixup_map_array_ro;
+ int *fixup_map_array_wo = test->fixup_map_array_wo;
+ int *fixup_map_array_small = test->fixup_map_array_small;
+ int *fixup_sk_storage_map = test->fixup_sk_storage_map;
+
+ if (test->fill_helper) {
+ test->fill_insns = calloc(MAX_TEST_INSNS, sizeof(struct bpf_insn));
test->fill_helper(test);
+ }
/* Allocating HTs with 1 elem is fine here, since we only test
* for verifier and not do a runtime lookup, so the only thing
@@ -15863,6 +746,49 @@ static void do_test_fixup(struct bpf_test *test, enum bpf_prog_type prog_type,
fixup_map_stacktrace++;
} while (*fixup_map_stacktrace);
}
+ if (*fixup_map_spin_lock) {
+ map_fds[13] = create_map_spin_lock();
+ do {
+ prog[*fixup_map_spin_lock].imm = map_fds[13];
+ fixup_map_spin_lock++;
+ } while (*fixup_map_spin_lock);
+ }
+ if (*fixup_map_array_ro) {
+ map_fds[14] = __create_map(BPF_MAP_TYPE_ARRAY, sizeof(int),
+ sizeof(struct test_val), 1,
+ BPF_F_RDONLY_PROG);
+ update_map(map_fds[14], 0);
+ do {
+ prog[*fixup_map_array_ro].imm = map_fds[14];
+ fixup_map_array_ro++;
+ } while (*fixup_map_array_ro);
+ }
+ if (*fixup_map_array_wo) {
+ map_fds[15] = __create_map(BPF_MAP_TYPE_ARRAY, sizeof(int),
+ sizeof(struct test_val), 1,
+ BPF_F_WRONLY_PROG);
+ update_map(map_fds[15], 0);
+ do {
+ prog[*fixup_map_array_wo].imm = map_fds[15];
+ fixup_map_array_wo++;
+ } while (*fixup_map_array_wo);
+ }
+ if (*fixup_map_array_small) {
+ map_fds[16] = __create_map(BPF_MAP_TYPE_ARRAY, sizeof(int),
+ 1, 1, 0);
+ update_map(map_fds[16], 0);
+ do {
+ prog[*fixup_map_array_small].imm = map_fds[16];
+ fixup_map_array_small++;
+ } while (*fixup_map_array_small);
+ }
+ if (*fixup_sk_storage_map) {
+ map_fds[17] = create_sk_storage_map();
+ do {
+ prog[*fixup_sk_storage_map].imm = map_fds[17];
+ fixup_sk_storage_map++;
+ } while (*fixup_sk_storage_map);
+ }
}
static int set_admin(bool admin)
@@ -15925,9 +851,11 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
int fd_prog, expected_ret, alignment_prevented_execution;
int prog_len, prog_type = test->prog_type;
struct bpf_insn *prog = test->insns;
+ struct bpf_load_program_attr attr;
int run_errs, run_successes;
int map_fds[MAX_NR_MAPS];
const char *expected_err;
+ int fixup_skips;
__u32 pflags;
int i, err;
@@ -15936,16 +864,41 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
if (!prog_type)
prog_type = BPF_PROG_TYPE_SOCKET_FILTER;
+ fixup_skips = skips;
do_test_fixup(test, prog_type, prog, map_fds);
- prog_len = probe_filter_length(prog);
+ if (test->fill_insns) {
+ prog = test->fill_insns;
+ prog_len = test->prog_len;
+ } else {
+ prog_len = probe_filter_length(prog);
+ }
+ /* If there were some map skips during fixup due to missing bpf
+ * features, skip this test.
+ */
+ if (fixup_skips != skips)
+ return;
- pflags = 0;
+ pflags = BPF_F_TEST_RND_HI32;
if (test->flags & F_LOAD_WITH_STRICT_ALIGNMENT)
pflags |= BPF_F_STRICT_ALIGNMENT;
if (test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS)
pflags |= BPF_F_ANY_ALIGNMENT;
- fd_prog = bpf_verify_program(prog_type, prog, prog_len, pflags,
- "GPL", 0, bpf_vlog, sizeof(bpf_vlog), 1);
+
+ memset(&attr, 0, sizeof(attr));
+ attr.prog_type = prog_type;
+ attr.expected_attach_type = test->expected_attach_type;
+ attr.insns = prog;
+ attr.insns_cnt = prog_len;
+ attr.license = "GPL";
+ attr.log_level = 4;
+ attr.prog_flags = pflags;
+
+ fd_prog = bpf_load_program_xattr(&attr, bpf_vlog, sizeof(bpf_vlog));
+ if (fd_prog < 0 && !bpf_probe_prog_type(prog_type, 0)) {
+ printf("SKIP (unsupported program type %d)\n", prog_type);
+ skips++;
+ goto close_fds;
+ }
expected_ret = unpriv && test->result_unpriv != UNDEF ?
test->result_unpriv : test->result;
@@ -15970,7 +923,7 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
printf("FAIL\nUnexpected success to load!\n");
goto fail_log;
}
- if (!strstr(bpf_vlog, expected_err)) {
+ if (!expected_err || !strstr(bpf_vlog, expected_err)) {
printf("FAIL\nUnexpected error message!\n\tEXP: %s\n\tRES: %s\n",
expected_err, bpf_vlog);
goto fail_log;
@@ -16039,6 +992,8 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
goto fail_log;
}
close_fds:
+ if (test->fill_insns)
+ free(test->fill_insns);
close(fd_prog);
for (i = 0; i < MAX_NR_MAPS; i++)
close(map_fds[i]);
@@ -16099,7 +1054,7 @@ static bool test_as_unpriv(struct bpf_test *test)
static int do_test(bool unpriv, unsigned int from, unsigned int to)
{
- int i, passes = 0, errors = 0, skips = 0;
+ int i, passes = 0, errors = 0;
for (i = from; i < to; i++) {
struct bpf_test *test = &tests[i];
diff --git a/tools/testing/selftests/bpf/test_xdp_veth.sh b/tools/testing/selftests/bpf/test_xdp_veth.sh
new file mode 100755
index 000000000000..ba8ffcdaac30
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdp_veth.sh
@@ -0,0 +1,118 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Create 3 namespaces with 3 veth peers, and
+# forward packets in-between using native XDP
+#
+# XDP_TX
+# NS1(veth11) NS2(veth22) NS3(veth33)
+# | | |
+# | | |
+# (veth1, (veth2, (veth3,
+# id:111) id:122) id:133)
+# ^ | ^ | ^ |
+# | | XDP_REDIRECT | | XDP_REDIRECT | |
+# | ------------------ ------------------ |
+# -----------------------------------------
+# XDP_REDIRECT
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+TESTNAME=xdp_veth
+BPF_FS=$(awk '$3 == "bpf" {print $2; exit}' /proc/mounts)
+BPF_DIR=$BPF_FS/test_$TESTNAME
+
+_cleanup()
+{
+ set +e
+ ip link del veth1 2> /dev/null
+ ip link del veth2 2> /dev/null
+ ip link del veth3 2> /dev/null
+ ip netns del ns1 2> /dev/null
+ ip netns del ns2 2> /dev/null
+ ip netns del ns3 2> /dev/null
+ rm -rf $BPF_DIR 2> /dev/null
+}
+
+cleanup_skip()
+{
+ echo "selftests: $TESTNAME [SKIP]"
+ _cleanup
+
+ exit $ksft_skip
+}
+
+cleanup()
+{
+ if [ "$?" = 0 ]; then
+ echo "selftests: $TESTNAME [PASS]"
+ else
+ echo "selftests: $TESTNAME [FAILED]"
+ fi
+ _cleanup
+}
+
+if [ $(id -u) -ne 0 ]; then
+ echo "selftests: $TESTNAME [SKIP] Need root privileges"
+ exit $ksft_skip
+fi
+
+if ! ip link set dev lo xdp off > /dev/null 2>&1; then
+ echo "selftests: $TESTNAME [SKIP] Could not run test without the ip xdp support"
+ exit $ksft_skip
+fi
+
+if [ -z "$BPF_FS" ]; then
+ echo "selftests: $TESTNAME [SKIP] Could not run test without bpffs mounted"
+ exit $ksft_skip
+fi
+
+if ! bpftool version > /dev/null 2>&1; then
+ echo "selftests: $TESTNAME [SKIP] Could not run test without bpftool"
+ exit $ksft_skip
+fi
+
+set -e
+
+trap cleanup_skip EXIT
+
+ip netns add ns1
+ip netns add ns2
+ip netns add ns3
+
+ip link add veth1 index 111 type veth peer name veth11 netns ns1
+ip link add veth2 index 122 type veth peer name veth22 netns ns2
+ip link add veth3 index 133 type veth peer name veth33 netns ns3
+
+ip link set veth1 up
+ip link set veth2 up
+ip link set veth3 up
+
+ip -n ns1 addr add 10.1.1.11/24 dev veth11
+ip -n ns3 addr add 10.1.1.33/24 dev veth33
+
+ip -n ns1 link set dev veth11 up
+ip -n ns2 link set dev veth22 up
+ip -n ns3 link set dev veth33 up
+
+mkdir $BPF_DIR
+bpftool prog loadall \
+ xdp_redirect_map.o $BPF_DIR/progs type xdp \
+ pinmaps $BPF_DIR/maps
+bpftool map update pinned $BPF_DIR/maps/tx_port key 0 0 0 0 value 122 0 0 0
+bpftool map update pinned $BPF_DIR/maps/tx_port key 1 0 0 0 value 133 0 0 0
+bpftool map update pinned $BPF_DIR/maps/tx_port key 2 0 0 0 value 111 0 0 0
+ip link set dev veth1 xdp pinned $BPF_DIR/progs/redirect_map_0
+ip link set dev veth2 xdp pinned $BPF_DIR/progs/redirect_map_1
+ip link set dev veth3 xdp pinned $BPF_DIR/progs/redirect_map_2
+
+ip -n ns1 link set dev veth11 xdp obj xdp_dummy.o sec xdp_dummy
+ip -n ns2 link set dev veth22 xdp obj xdp_tx.o sec tx
+ip -n ns3 link set dev veth33 xdp obj xdp_dummy.o sec xdp_dummy
+
+trap cleanup EXIT
+
+ip netns exec ns1 ping -c 1 -W 1 10.1.1.33
+
+exit 0
diff --git a/tools/testing/selftests/bpf/test_xdping.sh b/tools/testing/selftests/bpf/test_xdping.sh
new file mode 100755
index 000000000000..c2f0ddb45531
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdping.sh
@@ -0,0 +1,99 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# xdping tests
+# Here we setup and teardown configuration required to run
+# xdping, exercising its options.
+#
+# Setup is similar to test_tunnel tests but without the tunnel.
+#
+# Topology:
+# ---------
+# root namespace | tc_ns0 namespace
+# |
+# ---------- | ----------
+# | veth1 | --------- | veth0 |
+# ---------- peer ----------
+#
+# Device Configuration
+# --------------------
+# Root namespace with BPF
+# Device names and addresses:
+# veth1 IP: 10.1.1.200
+# xdp added to veth1, xdpings originate from here.
+#
+# Namespace tc_ns0 with BPF
+# Device names and addresses:
+# veth0 IPv4: 10.1.1.100
+# For some tests xdping run in server mode here.
+#
+
+readonly TARGET_IP="10.1.1.100"
+readonly TARGET_NS="xdp_ns0"
+
+readonly LOCAL_IP="10.1.1.200"
+
+setup()
+{
+ ip netns add $TARGET_NS
+ ip link add veth0 type veth peer name veth1
+ ip link set veth0 netns $TARGET_NS
+ ip netns exec $TARGET_NS ip addr add ${TARGET_IP}/24 dev veth0
+ ip addr add ${LOCAL_IP}/24 dev veth1
+ ip netns exec $TARGET_NS ip link set veth0 up
+ ip link set veth1 up
+}
+
+cleanup()
+{
+ set +e
+ ip netns delete $TARGET_NS 2>/dev/null
+ ip link del veth1 2>/dev/null
+ if [[ $server_pid -ne 0 ]]; then
+ kill -TERM $server_pid
+ fi
+}
+
+test()
+{
+ client_args="$1"
+ server_args="$2"
+
+ echo "Test client args '$client_args'; server args '$server_args'"
+
+ server_pid=0
+ if [[ -n "$server_args" ]]; then
+ ip netns exec $TARGET_NS ./xdping $server_args &
+ server_pid=$!
+ sleep 10
+ fi
+ ./xdping $client_args $TARGET_IP
+
+ if [[ $server_pid -ne 0 ]]; then
+ kill -TERM $server_pid
+ server_pid=0
+ fi
+
+ echo "Test client args '$client_args'; server args '$server_args': PASS"
+}
+
+set -e
+
+server_pid=0
+
+trap cleanup EXIT
+
+setup
+
+for server_args in "" "-I veth0 -s -S" ; do
+ # client in skb mode
+ client_args="-I veth1 -S"
+ test "$client_args" "$server_args"
+
+ # client with count of 10 RTT measurements.
+ client_args="-I veth1 -S -c 10"
+ test "$client_args" "$server_args"
+done
+
+echo "OK. All tests passed"
+exit 0
diff --git a/tools/testing/selftests/bpf/trace_helpers.c b/tools/testing/selftests/bpf/trace_helpers.c
index 4cdb63bf0521..b47f205f0310 100644
--- a/tools/testing/selftests/bpf/trace_helpers.c
+++ b/tools/testing/selftests/bpf/trace_helpers.c
@@ -30,9 +30,7 @@ int load_kallsyms(void)
if (!f)
return -ENOENT;
- while (!feof(f)) {
- if (!fgets(buf, sizeof(buf), f))
- break;
+ while (fgets(buf, sizeof(buf), f)) {
if (sscanf(buf, "%p %c %s", &addr, &symbol, func) != 3)
break;
if (!addr)
@@ -52,6 +50,10 @@ struct ksym *ksym_search(long key)
int start = 0, end = sym_cnt;
int result;
+ /* kallsyms not loaded. return NULL */
+ if (sym_cnt <= 0)
+ return NULL;
+
while (start < end) {
size_t mid = start + (end - start) / 2;
diff --git a/tools/testing/selftests/bpf/urandom_read.c b/tools/testing/selftests/bpf/urandom_read.c
index 9de8b7cb4e6d..db781052758d 100644
--- a/tools/testing/selftests/bpf/urandom_read.c
+++ b/tools/testing/selftests/bpf/urandom_read.c
@@ -7,11 +7,19 @@
#define BUF_SIZE 256
+static __attribute__((noinline))
+void urandom_read(int fd, int count)
+{
+ char buf[BUF_SIZE];
+ int i;
+
+ for (i = 0; i < count; ++i)
+ read(fd, buf, BUF_SIZE);
+}
+
int main(int argc, char *argv[])
{
int fd = open("/dev/urandom", O_RDONLY);
- int i;
- char buf[BUF_SIZE];
int count = 4;
if (fd < 0)
@@ -20,8 +28,7 @@ int main(int argc, char *argv[])
if (argc == 2)
count = atoi(argv[1]);
- for (i = 0; i < count; ++i)
- read(fd, buf, BUF_SIZE);
+ urandom_read(fd, count);
close(fd);
return 0;
diff --git a/tools/testing/selftests/bpf/verifier/.gitignore b/tools/testing/selftests/bpf/verifier/.gitignore
new file mode 100644
index 000000000000..45984a364647
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/.gitignore
@@ -0,0 +1 @@
+tests.h
diff --git a/tools/testing/selftests/bpf/verifier/and.c b/tools/testing/selftests/bpf/verifier/and.c
new file mode 100644
index 000000000000..e0fad1548737
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/and.c
@@ -0,0 +1,50 @@
+{
+ "invalid and of negative number",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, -4),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R0 max value is outside of the array range",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "invalid range check",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 12),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_9, 1),
+ BPF_ALU32_IMM(BPF_MOD, BPF_REG_1, 2),
+ BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 1),
+ BPF_ALU32_REG(BPF_AND, BPF_REG_9, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_ADD, BPF_REG_9, 1),
+ BPF_ALU32_IMM(BPF_RSH, BPF_REG_9, 1),
+ BPF_MOV32_IMM(BPF_REG_3, 1),
+ BPF_ALU32_REG(BPF_SUB, BPF_REG_3, BPF_REG_9),
+ BPF_ALU32_IMM(BPF_MUL, BPF_REG_3, 0x10000000),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
+ BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_3, 0),
+ BPF_MOV64_REG(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R0 max value is outside of the array range",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/array_access.c b/tools/testing/selftests/bpf/verifier/array_access.c
new file mode 100644
index 000000000000..bcb83196e459
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/array_access.c
@@ -0,0 +1,378 @@
+{
+ "valid map access into an array with a constant",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "valid map access into an array with a register",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_1, 4),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "valid map access into an array with a variable",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 3),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "valid map access into an array with a signed variable",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 0xffffffff, 1),
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES),
+ BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1),
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "invalid map access into an array with a constant",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, (MAX_ENTRIES + 1) << 2,
+ offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "invalid access to map value, value_size=48 off=48 size=8",
+ .result = REJECT,
+},
+{
+ "invalid map access into an array with a register",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_1, MAX_ENTRIES + 1),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R0 min value is outside of the array range",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "invalid map access into an array with a variable",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R0 unbounded memory access, make sure to bounds check any array access into a map",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "invalid map access into an array with no floor check",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES),
+ BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1),
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .errstr = "R0 unbounded memory access",
+ .result_unpriv = REJECT,
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "invalid map access into an array with a invalid max check",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES + 1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .errstr = "invalid access to map value, value_size=48 off=44 size=8",
+ .result_unpriv = REJECT,
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "invalid map access into an array with a invalid max check",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+ offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3, 11 },
+ .errstr = "R0 pointer += pointer",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "valid read map access into a read-only array 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_ro = { 3 },
+ .result = ACCEPT,
+ .retval = 28,
+},
+{
+ "valid read map access into a read-only array 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_csum_diff),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_array_ro = { 3 },
+ .result = ACCEPT,
+ .retval = -29,
+},
+{
+ "invalid write map access into a read-only array 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_ro = { 3 },
+ .result = REJECT,
+ .errstr = "write into map forbidden",
+},
+{
+ "invalid write map access into a read-only array 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_skb_load_bytes),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_array_ro = { 4 },
+ .result = REJECT,
+ .errstr = "write into map forbidden",
+},
+{
+ "valid write map access into a write-only array 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_wo = { 3 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "valid write map access into a write-only array 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_skb_load_bytes),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_array_wo = { 4 },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "invalid read map access into a write-only array 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_wo = { 3 },
+ .result = REJECT,
+ .errstr = "read from map forbidden",
+},
+{
+ "invalid read map access into a write-only array 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_csum_diff),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_array_wo = { 3 },
+ .result = REJECT,
+ .errstr = "read from map forbidden",
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic.c b/tools/testing/selftests/bpf/verifier/basic.c
new file mode 100644
index 000000000000..b8d18642653a
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic.c
@@ -0,0 +1,23 @@
+{
+ "empty prog",
+ .insns = {
+ },
+ .errstr = "unknown opcode 00",
+ .result = REJECT,
+},
+{
+ "only exit insn",
+ .insns = {
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R0 !read_ok",
+ .result = REJECT,
+},
+{
+ "no bpf_exit",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_0, BPF_REG_2),
+ },
+ .errstr = "not an exit",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic_call.c b/tools/testing/selftests/bpf/verifier/basic_call.c
new file mode 100644
index 000000000000..a8c6ab4c1622
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic_call.c
@@ -0,0 +1,50 @@
+{
+ "invalid call insn1",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL | BPF_X, 0, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "unknown opcode 8d",
+ .result = REJECT,
+},
+{
+ "invalid call insn2",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "BPF_CALL uses reserved",
+ .result = REJECT,
+},
+{
+ "invalid function call",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, 1234567),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid func unknown#1234567",
+ .result = REJECT,
+},
+{
+ "invalid argument register",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 !read_ok",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "non-invalid argument register",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic_instr.c b/tools/testing/selftests/bpf/verifier/basic_instr.c
new file mode 100644
index 000000000000..071dbc889e8c
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic_instr.c
@@ -0,0 +1,219 @@
+{
+ "add+sub+mul",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_2, 3),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1),
+ BPF_ALU64_IMM(BPF_MUL, BPF_REG_1, 3),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = -3,
+},
+{
+ "xor32 zero extend check",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_2, -1),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 32),
+ BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 0xffff),
+ BPF_ALU32_REG(BPF_XOR, BPF_REG_2, BPF_REG_2),
+ BPF_MOV32_IMM(BPF_REG_0, 2),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 1),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "arsh32 on imm",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 5),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "arsh32 on imm 2",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_0, 0x1122334485667788),
+ BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 7),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = -16069393,
+},
+{
+ "arsh32 on reg",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_IMM(BPF_REG_1, 5),
+ BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "arsh32 on reg 2",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_0, 0xffff55667788),
+ BPF_MOV64_IMM(BPF_REG_1, 15),
+ BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 43724,
+},
+{
+ "arsh64 on imm",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_0, 5),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "arsh64 on reg",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_IMM(BPF_REG_1, 5),
+ BPF_ALU64_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "lsh64 by 0 imm",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_1, 1),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "rsh64 by 0 imm",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_1, 0x100000000LL),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 0),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "arsh64 by 0 imm",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_1, 0x100000000LL),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 0),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "lsh64 by 0 reg",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_1, 1),
+ BPF_LD_IMM64(BPF_REG_2, 0),
+ BPF_ALU64_REG(BPF_LSH, BPF_REG_1, BPF_REG_2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "rsh64 by 0 reg",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_1, 0x100000000LL),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+ BPF_LD_IMM64(BPF_REG_3, 0),
+ BPF_ALU64_REG(BPF_RSH, BPF_REG_1, BPF_REG_3),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "arsh64 by 0 reg",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_1, 0x100000000LL),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+ BPF_LD_IMM64(BPF_REG_3, 0),
+ BPF_ALU64_REG(BPF_ARSH, BPF_REG_1, BPF_REG_3),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "invalid 64-bit BPF_END",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ {
+ .code = BPF_ALU64 | BPF_END | BPF_TO_LE,
+ .dst_reg = BPF_REG_0,
+ .src_reg = 0,
+ .off = 0,
+ .imm = 32,
+ },
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "unknown opcode d7",
+ .result = REJECT,
+},
+{
+ "mov64 src == dst",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_2),
+ // Check bounds are OK
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "mov64 src != dst",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_3),
+ // Check bounds are OK
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic_stack.c b/tools/testing/selftests/bpf/verifier/basic_stack.c
new file mode 100644
index 000000000000..b56f8117c09d
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic_stack.c
@@ -0,0 +1,64 @@
+{
+ "stack out of bounds",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, 8, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid stack",
+ .result = REJECT,
+},
+{
+ "uninitialized stack1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 2 },
+ .errstr = "invalid indirect read from stack",
+ .result = REJECT,
+},
+{
+ "uninitialized stack2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -8),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid read from stack",
+ .result = REJECT,
+},
+{
+ "invalid fp arithmetic",
+ /* If this gets ever changed, make sure JITs can deal with it. */
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 subtraction from stack pointer",
+ .result = REJECT,
+},
+{
+ "non-invalid fp arithmetic",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "misaligned read from stack",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -4),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "misaligned stack access",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic_stx_ldx.c b/tools/testing/selftests/bpf/verifier/basic_stx_ldx.c
new file mode 100644
index 000000000000..7a0aab3f2cd2
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic_stx_ldx.c
@@ -0,0 +1,45 @@
+{
+ "invalid src register in STX",
+ .insns = {
+ BPF_STX_MEM(BPF_B, BPF_REG_10, -1, -1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R15 is invalid",
+ .result = REJECT,
+},
+{
+ "invalid dst register in STX",
+ .insns = {
+ BPF_STX_MEM(BPF_B, 14, BPF_REG_10, -1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R14 is invalid",
+ .result = REJECT,
+},
+{
+ "invalid dst register in ST",
+ .insns = {
+ BPF_ST_MEM(BPF_B, 14, -1, -1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R14 is invalid",
+ .result = REJECT,
+},
+{
+ "invalid src register in LDX",
+ .insns = {
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, 12, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R12 is invalid",
+ .result = REJECT,
+},
+{
+ "invalid dst register in LDX",
+ .insns = {
+ BPF_LDX_MEM(BPF_B, 11, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R11 is invalid",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/bounds.c b/tools/testing/selftests/bpf/verifier/bounds.c
new file mode 100644
index 000000000000..d55f476f2237
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bounds.c
@@ -0,0 +1,508 @@
+{
+ "subtraction bounds (map value) variant 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0xff, 7),
+ BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 0xff, 5),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 56),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "R0 max value is outside of the array range",
+ .result = REJECT,
+},
+{
+ "subtraction bounds (map value) variant 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0xff, 6),
+ BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 0xff, 4),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "check subtraction on pointers for unpriv",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+ BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_ARG2, 0, 9),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_9, BPF_REG_FP),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_0),
+ BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+ BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_ARG2, 0, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_9, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 1, 9 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R9 pointer -= pointer prohibited",
+},
+{
+ "bounds check based on zero-extended MOV",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ /* r2 = 0x0000'0000'ffff'ffff */
+ BPF_MOV32_IMM(BPF_REG_2, 0xffffffff),
+ /* r2 = 0 */
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 32),
+ /* no-op */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ /* access at offset 0 */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT
+},
+{
+ "bounds check based on sign-extended MOV. test1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ /* r2 = 0xffff'ffff'ffff'ffff */
+ BPF_MOV64_IMM(BPF_REG_2, 0xffffffff),
+ /* r2 = 0xffff'ffff */
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 32),
+ /* r0 = <oob pointer> */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ /* access to OOB pointer */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "map_value pointer and 4294967295",
+ .result = REJECT
+},
+{
+ "bounds check based on sign-extended MOV. test2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ /* r2 = 0xffff'ffff'ffff'ffff */
+ BPF_MOV64_IMM(BPF_REG_2, 0xffffffff),
+ /* r2 = 0xfff'ffff */
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 36),
+ /* r0 = <oob pointer> */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ /* access to OOB pointer */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "R0 min value is outside of the array range",
+ .result = REJECT
+},
+{
+ "bounds check based on reg_off + var_off + insn_off. test1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_6, 1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, (1 << 29) - 1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, (1 << 29) - 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 3),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .errstr = "value_size=8 off=1073741825",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "bounds check based on reg_off + var_off + insn_off. test2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_6, 1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, (1 << 30) - 1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, (1 << 29) - 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 3),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .errstr = "value 1073741823",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "bounds check after truncation of non-boundary-crossing range",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ /* r1 = [0x00, 0xff] */
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ /* r2 = 0x10'0000'0000 */
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 36),
+ /* r1 = [0x10'0000'0000, 0x10'0000'00ff] */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+ /* r1 = [0x10'7fff'ffff, 0x10'8000'00fe] */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
+ /* r1 = [0x00, 0xff] */
+ BPF_ALU32_IMM(BPF_SUB, BPF_REG_1, 0x7fffffff),
+ /* r1 = 0 */
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
+ /* no-op */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ /* access at offset 0 */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT
+},
+{
+ "bounds check after truncation of boundary-crossing range (1)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ /* r1 = [0x00, 0xff] */
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
+ /* r1 = [0xffff'ff80, 0x1'0000'007f] */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
+ /* r1 = [0xffff'ff80, 0xffff'ffff] or
+ * [0x0000'0000, 0x0000'007f]
+ */
+ BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 0),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
+ /* r1 = [0x00, 0xff] or
+ * [0xffff'ffff'0000'0080, 0xffff'ffff'ffff'ffff]
+ */
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
+ /* r1 = 0 or
+ * [0x00ff'ffff'ff00'0000, 0x00ff'ffff'ffff'ffff]
+ */
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
+ /* no-op or OOB pointer computation */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ /* potentially OOB access */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ /* not actually fully unbounded, but the bound is very high */
+ .errstr = "R0 unbounded memory access",
+ .result = REJECT
+},
+{
+ "bounds check after truncation of boundary-crossing range (2)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ /* r1 = [0x00, 0xff] */
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
+ /* r1 = [0xffff'ff80, 0x1'0000'007f] */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
+ /* r1 = [0xffff'ff80, 0xffff'ffff] or
+ * [0x0000'0000, 0x0000'007f]
+ * difference to previous test: truncation via MOV32
+ * instead of ALU32.
+ */
+ BPF_MOV32_REG(BPF_REG_1, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
+ /* r1 = [0x00, 0xff] or
+ * [0xffff'ffff'0000'0080, 0xffff'ffff'ffff'ffff]
+ */
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
+ /* r1 = 0 or
+ * [0x00ff'ffff'ff00'0000, 0x00ff'ffff'ffff'ffff]
+ */
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
+ /* no-op or OOB pointer computation */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ /* potentially OOB access */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ /* not actually fully unbounded, but the bound is very high */
+ .errstr = "R0 unbounded memory access",
+ .result = REJECT
+},
+{
+ "bounds check after wrapping 32-bit addition",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ /* r1 = 0x7fff'ffff */
+ BPF_MOV64_IMM(BPF_REG_1, 0x7fffffff),
+ /* r1 = 0xffff'fffe */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
+ /* r1 = 0 */
+ BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 2),
+ /* no-op */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ /* access at offset 0 */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT
+},
+{
+ "bounds check after shift with oversized count operand",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_IMM(BPF_REG_2, 32),
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ /* r1 = (u32)1 << (u32)32 = ? */
+ BPF_ALU32_REG(BPF_LSH, BPF_REG_1, BPF_REG_2),
+ /* r1 = [0x0000, 0xffff] */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xffff),
+ /* computes unknown pointer, potentially OOB */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ /* potentially OOB access */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "R0 max value is outside of the array range",
+ .result = REJECT
+},
+{
+ "bounds check after right shift of maybe-negative number",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ /* r1 = [0x00, 0xff] */
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ /* r1 = [-0x01, 0xfe] */
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 1),
+ /* r1 = 0 or 0xff'ffff'ffff'ffff */
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
+ /* r1 = 0 or 0xffff'ffff'ffff */
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
+ /* computes unknown pointer, potentially OOB */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ /* potentially OOB access */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "R0 unbounded memory access",
+ .result = REJECT
+},
+{
+ "bounds check after 32-bit right shift with 64-bit input",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ /* r1 = 2 */
+ BPF_MOV64_IMM(BPF_REG_1, 2),
+ /* r1 = 1<<32 */
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 31),
+ /* r1 = 0 (NOT 2!) */
+ BPF_ALU32_IMM(BPF_RSH, BPF_REG_1, 31),
+ /* r1 = 0xffff'fffe (NOT 0!) */
+ BPF_ALU32_IMM(BPF_SUB, BPF_REG_1, 2),
+ /* computes OOB pointer */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ /* OOB access */
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ /* exit */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "R0 invalid mem access",
+ .result = REJECT,
+},
+{
+ "bounds check map access with off+size signed 32bit overflow. test1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x7ffffffe),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_JMP_A(0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "map_value pointer and 2147483646",
+ .result = REJECT
+},
+{
+ "bounds check map access with off+size signed 32bit overflow. test2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x1fffffff),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x1fffffff),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x1fffffff),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_JMP_A(0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "pointer offset 1073741822",
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .result = REJECT
+},
+{
+ "bounds check map access with off+size signed 32bit overflow. test3",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 0x1fffffff),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 0x1fffffff),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 2),
+ BPF_JMP_A(0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "pointer offset -1073741822",
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .result = REJECT
+},
+{
+ "bounds check map access with off+size signed 32bit overflow. test4",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_1, 1000000),
+ BPF_ALU64_IMM(BPF_MUL, BPF_REG_1, 1000000),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 2),
+ BPF_JMP_A(0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "map_value pointer and 1000000000000",
+ .result = REJECT
+},
diff --git a/tools/testing/selftests/bpf/verifier/bounds_deduction.c b/tools/testing/selftests/bpf/verifier/bounds_deduction.c
new file mode 100644
index 000000000000..1fd07a4f27ac
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bounds_deduction.c
@@ -0,0 +1,124 @@
+{
+ "check deducing bounds from const, 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 1, 0),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R0 tried to subtract pointer from scalar",
+},
+{
+ "check deducing bounds from const, 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 1, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 1, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "check deducing bounds from const, 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 0, 0),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R0 tried to subtract pointer from scalar",
+},
+{
+ "check deducing bounds from const, 4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check deducing bounds from const, 5",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 1, 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R0 tried to subtract pointer from scalar",
+},
+{
+ "check deducing bounds from const, 6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R0 tried to subtract pointer from scalar",
+},
+{
+ "check deducing bounds from const, 7",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, ~0),
+ BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 0),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "dereference of modified ctx ptr",
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "check deducing bounds from const, 8",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, ~0),
+ BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "dereference of modified ctx ptr",
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "check deducing bounds from const, 9",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 0),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R0 tried to subtract pointer from scalar",
+},
+{
+ "check deducing bounds from const, 10",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 0, 0),
+ /* Marks reg as unknown. */
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_0, 0),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "math between ctx pointer and register with unbounded min value is not allowed",
+},
diff --git a/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c b/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
new file mode 100644
index 000000000000..9baca7a75c42
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
@@ -0,0 +1,406 @@
+{
+ "bounds checks mixing signed and unsigned, positive bounds",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 2),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 3),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 4, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
+ BPF_MOV64_IMM(BPF_REG_8, 0),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
+ BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R8 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 3",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 4),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
+ BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R8 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 4",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 5",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 4),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -512),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_6, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_6, 5),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_4, 1, 4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_ST_MEM(BPF_H, BPF_REG_10, -512, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R4 min value is negative, either use unsigned",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 7",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 8",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 9",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_LD_IMM64(BPF_REG_2, -9223372036854775808ULL),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 10",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 11",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+ /* Dead branch. */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 12",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -6),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 13",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 2),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_7, 1),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 4, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_7),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R7 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 14",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_MOV64_IMM(BPF_REG_8, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_9, 42, 6),
+ BPF_JMP_REG(BPF_JSGT, BPF_REG_8, BPF_REG_1, 3),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, -3),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -7),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+},
+{
+ "bounds checks mixing signed and unsigned, variant 15",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -6),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_0, 1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "unbounded min value",
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/bpf_get_stack.c b/tools/testing/selftests/bpf/verifier/bpf_get_stack.c
new file mode 100644
index 000000000000..f24d50f09dbe
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bpf_get_stack.c
@@ -0,0 +1,44 @@
+{
+ "bpf_get_stack return R0 within range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 28),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_9, sizeof(struct test_val)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+ BPF_MOV64_IMM(BPF_REG_3, sizeof(struct test_val)),
+ BPF_MOV64_IMM(BPF_REG_4, 256),
+ BPF_EMIT_CALL(BPF_FUNC_get_stack),
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_8, 32),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_8, 32),
+ BPF_JMP_REG(BPF_JSLT, BPF_REG_1, BPF_REG_8, 16),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_9),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 32),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 32),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_MOV64_IMM(BPF_REG_5, sizeof(struct test_val)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_5),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_9),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_EMIT_CALL(BPF_FUNC_get_stack),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 4 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/calls.c b/tools/testing/selftests/bpf/verifier/calls.c
new file mode 100644
index 000000000000..2d752c4f8d9d
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/calls.c
@@ -0,0 +1,2034 @@
+{
+ "calls: basic sanity",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .result = ACCEPT,
+},
+{
+ "calls: not on unpriviledged",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "calls: div by 0 in subprog",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV32_IMM(BPF_REG_2, 0),
+ BPF_MOV32_IMM(BPF_REG_3, 1),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_3, BPF_REG_2),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "calls: multiple ret types in subprog 1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_MOV32_IMM(BPF_REG_0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "R0 invalid mem access 'inv'",
+},
+{
+ "calls: multiple ret types in subprog 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6,
+ offsetof(struct __sk_buff, data)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 64),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_hash_8b = { 16 },
+ .result = REJECT,
+ .errstr = "R0 min value is outside of the array range",
+},
+{
+ "calls: overlapping caller/callee",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "last insn is not an exit or jmp",
+ .result = REJECT,
+},
+{
+ "calls: wrong recursive calls",
+ .insns = {
+ BPF_JMP_IMM(BPF_JA, 0, 0, 4),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "jump out of range",
+ .result = REJECT,
+},
+{
+ "calls: wrong src reg",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 2, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "BPF_CALL uses reserved fields",
+ .result = REJECT,
+},
+{
+ "calls: wrong off value",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, -1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "BPF_CALL uses reserved fields",
+ .result = REJECT,
+},
+{
+ "calls: jump back loop",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -1),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "back-edge from insn 0 to 0",
+ .result = REJECT,
+},
+{
+ "calls: conditional call",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "jump out of range",
+ .result = REJECT,
+},
+{
+ "calls: conditional call 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .result = ACCEPT,
+},
+{
+ "calls: conditional call 3",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -6),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -6),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .errstr_unpriv = "back-edge from insn",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "calls: conditional call 4",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .result = ACCEPT,
+},
+{
+ "calls: conditional call 5",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -6),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "calls: conditional call 6",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, -3),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "infinite loop detected",
+ .result = REJECT,
+},
+{
+ "calls: using r0 returned by callee",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .result = ACCEPT,
+},
+{
+ "calls: using uninit r0 from callee",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "!read_ok",
+ .result = REJECT,
+},
+{
+ "calls: callee is using r1",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_ACT,
+ .result = ACCEPT,
+ .retval = TEST_DATA_LEN,
+},
+{
+ "calls: callee using args1",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "allowed for root only",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = POINTER_VALUE,
+},
+{
+ "calls: callee using wrong args2",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "R2 !read_ok",
+ .result = REJECT,
+},
+{
+ "calls: callee using two args",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
+ offsetof(struct __sk_buff, len)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_6,
+ offsetof(struct __sk_buff, len)),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "allowed for root only",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = TEST_DATA_LEN + TEST_DATA_LEN - ETH_HLEN - ETH_HLEN,
+},
+{
+ "calls: callee changing pkt pointers",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_8, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_8, BPF_REG_7, 2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ /* clear_all_pkt_pointers() has to walk all frames
+ * to make sure that pkt pointers in the caller
+ * are cleared when callee is calling a helper that
+ * adjusts packet size
+ */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_xdp_adjust_head),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R6 invalid mem access 'inv'",
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: ptr null check in subprog",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .fixup_map_hash_48b = { 3 },
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "calls: two calls with args",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = TEST_DATA_LEN + TEST_DATA_LEN,
+},
+{
+ "calls: calls with stack arith",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "calls: calls with misaligned stack access",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -63),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -61),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -63),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+ .errstr = "misaligned stack access",
+ .result = REJECT,
+},
+{
+ "calls: calls control flow, jump test",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 43),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -3),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 43,
+},
+{
+ "calls: calls control flow, jump test 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 43),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -3),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "jump out of range from insn 1 to 4",
+ .result = REJECT,
+},
+{
+ "calls: two calls with bad jump",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, -3),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "jump out of range from insn 11 to 9",
+ .result = REJECT,
+},
+{
+ "calls: recursive call. test1",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "back-edge",
+ .result = REJECT,
+},
+{
+ "calls: recursive call. test2",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -3),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "back-edge",
+ .result = REJECT,
+},
+{
+ "calls: unreachable code",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "unreachable insn 6",
+ .result = REJECT,
+},
+{
+ "calls: invalid call",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -4),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "invalid destination",
+ .result = REJECT,
+},
+{
+ "calls: invalid call 2",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 0x7fffffff),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "invalid destination",
+ .result = REJECT,
+},
+{
+ "calls: jumping across function bodies. test1",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -3),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "jump out of range",
+ .result = REJECT,
+},
+{
+ "calls: jumping across function bodies. test2",
+ .insns = {
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "jump out of range",
+ .result = REJECT,
+},
+{
+ "calls: call without exit",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -2),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "not an exit",
+ .result = REJECT,
+},
+{
+ "calls: call into middle of ld_imm64",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LD_IMM64(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "last insn",
+ .result = REJECT,
+},
+{
+ "calls: call into middle of other call",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "last insn",
+ .result = REJECT,
+},
+{
+ "calls: ld_abs with changing ctx data in callee",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_LD_ABS(BPF_B, 0),
+ BPF_LD_ABS(BPF_H, 0),
+ BPF_LD_ABS(BPF_W, 0),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+ BPF_LD_ABS(BPF_B, 0),
+ BPF_LD_ABS(BPF_H, 0),
+ BPF_LD_ABS(BPF_W, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_vlan_push),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "BPF_LD_[ABS|IND] instructions cannot be mixed",
+ .result = REJECT,
+},
+{
+ "calls: two calls with bad fallthrough",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .errstr = "not an exit",
+ .result = REJECT,
+},
+{
+ "calls: two calls with stack read",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .result = ACCEPT,
+},
+{
+ "calls: two calls with stack write",
+ .insns = {
+ /* main prog */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -16),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 7),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_8),
+ /* write into stack frame of main prog */
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ /* read from stack frame of main prog */
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .result = ACCEPT,
+},
+{
+ "calls: stack overflow using two frames (pre-call access)",
+ .insns = {
+ /* prog 1 */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+
+ /* prog 2 */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .errstr = "combined stack size",
+ .result = REJECT,
+},
+{
+ "calls: stack overflow using two frames (post-call access)",
+ .insns = {
+ /* prog 1 */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 2),
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+ BPF_EXIT_INSN(),
+
+ /* prog 2 */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .errstr = "combined stack size",
+ .result = REJECT,
+},
+{
+ "calls: stack depth check using three frames. test1",
+ .insns = {
+ /* main */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4), /* call A */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 5), /* call B */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -32, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ /* A */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -256, 0),
+ BPF_EXIT_INSN(),
+ /* B */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, -3), /* call A */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -64, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ /* stack_main=32, stack_A=256, stack_B=64
+ * and max(main+A, main+A+B) < 512
+ */
+ .result = ACCEPT,
+},
+{
+ "calls: stack depth check using three frames. test2",
+ .insns = {
+ /* main */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4), /* call A */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 5), /* call B */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -32, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ /* A */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -64, 0),
+ BPF_EXIT_INSN(),
+ /* B */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, -3), /* call A */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -256, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ /* stack_main=32, stack_A=64, stack_B=256
+ * and max(main+A, main+A+B) < 512
+ */
+ .result = ACCEPT,
+},
+{
+ "calls: stack depth check using three frames. test3",
+ .insns = {
+ /* main */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 6), /* call A */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 8), /* call B */
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_6, 0, 1),
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -64, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ /* A */
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 10, 1),
+ BPF_EXIT_INSN(),
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -224, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -3),
+ /* B */
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 2, 1),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, -6), /* call A */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -256, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ /* stack_main=64, stack_A=224, stack_B=256
+ * and max(main+A, main+A+B) > 512
+ */
+ .errstr = "combined stack",
+ .result = REJECT,
+},
+{
+ "calls: stack depth check using three frames. test4",
+ /* void main(void) {
+ * func1(0);
+ * func1(1);
+ * func2(1);
+ * }
+ * void func1(int alloc_or_recurse) {
+ * if (alloc_or_recurse) {
+ * frame_pointer[-300] = 1;
+ * } else {
+ * func2(alloc_or_recurse);
+ * }
+ * }
+ * void func2(int alloc_or_recurse) {
+ * if (alloc_or_recurse) {
+ * frame_pointer[-300] = 1;
+ * }
+ * }
+ */
+ .insns = {
+ /* main */
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 6), /* call A */
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4), /* call A */
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 7), /* call B */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ /* A */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2),
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call B */
+ BPF_EXIT_INSN(),
+ /* B */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .result = REJECT,
+ .errstr = "combined stack",
+},
+{
+ "calls: stack depth check using three frames. test5",
+ .insns = {
+ /* main */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call A */
+ BPF_EXIT_INSN(),
+ /* A */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call B */
+ BPF_EXIT_INSN(),
+ /* B */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call C */
+ BPF_EXIT_INSN(),
+ /* C */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call D */
+ BPF_EXIT_INSN(),
+ /* D */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call E */
+ BPF_EXIT_INSN(),
+ /* E */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call F */
+ BPF_EXIT_INSN(),
+ /* F */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call G */
+ BPF_EXIT_INSN(),
+ /* G */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call H */
+ BPF_EXIT_INSN(),
+ /* H */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .errstr = "call stack",
+ .result = REJECT,
+},
+{
+ "calls: stack depth check in dead code",
+ .insns = {
+ /* main */
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call A */
+ BPF_EXIT_INSN(),
+ /* A */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 2), /* call B */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ /* B */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call C */
+ BPF_EXIT_INSN(),
+ /* C */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call D */
+ BPF_EXIT_INSN(),
+ /* D */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call E */
+ BPF_EXIT_INSN(),
+ /* E */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call F */
+ BPF_EXIT_INSN(),
+ /* F */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call G */
+ BPF_EXIT_INSN(),
+ /* G */
+ BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call H */
+ BPF_EXIT_INSN(),
+ /* H */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .errstr = "call stack",
+ .result = REJECT,
+},
+{
+ "calls: spill into caller stack frame",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .errstr = "cannot spill",
+ .result = REJECT,
+},
+{
+ "calls: write into caller stack frame",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "calls: write into callee stack frame",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, -8),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .errstr = "cannot return stack pointer",
+ .result = REJECT,
+},
+{
+ "calls: two calls with stack write and void return",
+ .insns = {
+ /* main prog */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -16),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ /* write into stack frame of main prog */
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+ BPF_EXIT_INSN(), /* void return */
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .result = ACCEPT,
+},
+{
+ "calls: ambiguous return value",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "allowed for root only",
+ .result_unpriv = REJECT,
+ .errstr = "R0 !read_ok",
+ .result = REJECT,
+},
+{
+ "calls: two calls that return map_value",
+ .insns = {
+ /* main prog */
+ /* pass fp-16, fp-8 into a function */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ /* fetch secound map_value_ptr from the stack */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -16),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ /* call 3rd function twice */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ /* first time with fp-8 */
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ /* second time with fp-16 */
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ /* lookup from map */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ /* write map_value_ptr into stack frame of main prog */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(), /* return 0 */
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .fixup_map_hash_8b = { 23 },
+ .result = ACCEPT,
+},
+{
+ "calls: two calls that return map_value with bool condition",
+ .insns = {
+ /* main prog */
+ /* pass fp-16, fp-8 into a function */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ /* call 3rd function twice */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ /* first time with fp-8 */
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 9),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ /* second time with fp-16 */
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+ /* fetch secound map_value_ptr from the stack */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ /* lookup from map */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(), /* return 0 */
+ /* write map_value_ptr into stack frame of main prog */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(), /* return 1 */
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .fixup_map_hash_8b = { 23 },
+ .result = ACCEPT,
+},
+{
+ "calls: two calls that return map_value with incorrect bool check",
+ .insns = {
+ /* main prog */
+ /* pass fp-16, fp-8 into a function */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ /* call 3rd function twice */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ /* first time with fp-8 */
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 9),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ /* second time with fp-16 */
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ /* fetch secound map_value_ptr from the stack */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ /* lookup from map */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(), /* return 0 */
+ /* write map_value_ptr into stack frame of main prog */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(), /* return 1 */
+ },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .fixup_map_hash_8b = { 23 },
+ .result = REJECT,
+ .errstr = "invalid read from stack off -16+0 size 8",
+},
+{
+ "calls: two calls that receive map_value via arg=ptr_stack_of_caller. test1",
+ .insns = {
+ /* main prog */
+ /* pass fp-16, fp-8 into a function */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ /* 1st lookup from map */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_8, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ /* write map_value_ptr into stack frame of main prog at fp-8 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_8, 1),
+
+ /* 2nd lookup from map */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), /* 20 */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, /* 24 */
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_9, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ /* write map_value_ptr into stack frame of main prog at fp-16 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_9, 1),
+
+ /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), /* 30 */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1), /* 34 */
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ /* if arg2 == 1 do *arg1 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+ /* if arg4 == 1 do *arg3 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_hash_8b = { 12, 22 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=8 off=2 size=8",
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: two calls that receive map_value via arg=ptr_stack_of_caller. test2",
+ .insns = {
+ /* main prog */
+ /* pass fp-16, fp-8 into a function */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ /* 1st lookup from map */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_8, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ /* write map_value_ptr into stack frame of main prog at fp-8 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_8, 1),
+
+ /* 2nd lookup from map */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), /* 20 */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, /* 24 */
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_9, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ /* write map_value_ptr into stack frame of main prog at fp-16 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_9, 1),
+
+ /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), /* 30 */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1), /* 34 */
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ /* if arg2 == 1 do *arg1 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+ /* if arg4 == 1 do *arg3 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_hash_8b = { 12, 22 },
+ .result = ACCEPT,
+},
+{
+ "calls: two jumps that receive map_value via arg=ptr_stack_of_jumper. test3",
+ .insns = {
+ /* main prog */
+ /* pass fp-16, fp-8 into a function */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ /* 1st lookup from map */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -24, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -24),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_8, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ /* write map_value_ptr into stack frame of main prog at fp-8 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_8, 1),
+
+ /* 2nd lookup from map */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -24),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_9, 0), // 26
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ /* write map_value_ptr into stack frame of main prog at fp-16 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_9, 1),
+
+ /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), // 30
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1), // 34
+ BPF_JMP_IMM(BPF_JA, 0, 0, -30),
+
+ /* subprog 2 */
+ /* if arg2 == 1 do *arg1 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+ /* if arg4 == 1 do *arg3 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -8),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_hash_8b = { 12, 22 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=8 off=2 size=8",
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: two calls that receive map_value_ptr_or_null via arg. test1",
+ .insns = {
+ /* main prog */
+ /* pass fp-16, fp-8 into a function */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ /* 1st lookup from map */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ /* write map_value_ptr_or_null into stack frame of main prog at fp-8 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_8, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_8, 1),
+
+ /* 2nd lookup from map */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ /* write map_value_ptr_or_null into stack frame of main prog at fp-16 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_9, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_9, 1),
+
+ /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ /* if arg2 == 1 do *arg1 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+ /* if arg4 == 1 do *arg3 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_hash_8b = { 12, 22 },
+ .result = ACCEPT,
+},
+{
+ "calls: two calls that receive map_value_ptr_or_null via arg. test2",
+ .insns = {
+ /* main prog */
+ /* pass fp-16, fp-8 into a function */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ /* 1st lookup from map */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ /* write map_value_ptr_or_null into stack frame of main prog at fp-8 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_8, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_8, 1),
+
+ /* 2nd lookup from map */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ /* write map_value_ptr_or_null into stack frame of main prog at fp-16 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_9, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_9, 1),
+
+ /* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ /* if arg2 == 1 do *arg1 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+ /* if arg4 == 0 do *arg3 = 0 */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 0, 2),
+ /* fetch map_value_ptr from the stack of this function */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+ /* write into map value */
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_hash_8b = { 12, 22 },
+ .result = REJECT,
+ .errstr = "R0 invalid mem access 'inv'",
+},
+{
+ "calls: pkt_ptr spill into caller stack",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ /* spill unchecked pkt_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+ /* now the pkt range is verified, read pkt_ptr from stack */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
+ /* write 4 bytes into packet */
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = POINTER_VALUE,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: pkt_ptr spill into caller stack 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ /* Marking is still kept, but not in all cases safe. */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_ST_MEM(BPF_W, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ /* spill unchecked pkt_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+ /* now the pkt range is verified, read pkt_ptr from stack */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
+ /* write 4 bytes into packet */
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "invalid access to packet",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: pkt_ptr spill into caller stack 3",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ /* Marking is still kept and safe here. */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_ST_MEM(BPF_W, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ /* spill unchecked pkt_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+ BPF_MOV64_IMM(BPF_REG_5, 1),
+ /* now the pkt range is verified, read pkt_ptr from stack */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
+ /* write 4 bytes into packet */
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: pkt_ptr spill into caller stack 4",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ /* Check marking propagated. */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_ST_MEM(BPF_W, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ /* spill unchecked pkt_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+ BPF_MOV64_IMM(BPF_REG_5, 1),
+ /* don't read back pkt_ptr from stack here */
+ /* write 4 bytes into packet */
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: pkt_ptr spill into caller stack 5",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+ /* spill checked pkt_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 1),
+ /* don't read back pkt_ptr from stack here */
+ /* write 4 bytes into packet */
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "same insn cannot be used with different",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: pkt_ptr spill into caller stack 6",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+ /* spill checked pkt_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 1),
+ /* don't read back pkt_ptr from stack here */
+ /* write 4 bytes into packet */
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "R4 invalid mem access",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: pkt_ptr spill into caller stack 7",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+ /* spill checked pkt_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 1),
+ /* don't read back pkt_ptr from stack here */
+ /* write 4 bytes into packet */
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "R4 invalid mem access",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: pkt_ptr spill into caller stack 8",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+ /* spill checked pkt_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 1),
+ /* don't read back pkt_ptr from stack here */
+ /* write 4 bytes into packet */
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: pkt_ptr spill into caller stack 9",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ /* spill unchecked pkt_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+ BPF_MOV64_IMM(BPF_REG_5, 1),
+ /* don't read back pkt_ptr from stack here */
+ /* write 4 bytes into packet */
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "invalid access to packet",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "calls: caller stack init to zero or map_value_or_null",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ /* fetch map_value_or_null or const_zero from stack */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ /* store into map_value */
+ BPF_ST_MEM(BPF_W, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ /* if (ctx == 0) return; */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 8),
+ /* else bpf_map_lookup() and *(fp - 8) = r0 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ /* write map_value_ptr_or_null into stack frame of main prog at fp-8 */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 13 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "calls: stack init to zero and pruning",
+ .insns = {
+ /* first make allocated_stack 16 byte */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+ /* now fork the execution such that the false branch
+ * of JGT insn will be verified second and it skisp zero
+ * init of fp-8 stack slot. If stack liveness marking
+ * is missing live_read marks from call map_lookup
+ * processing then pruning will incorrectly assume
+ * that fp-8 stack slot was unused in the fall-through
+ * branch and will accept the program incorrectly
+ */
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 2, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 6 },
+ .errstr = "invalid indirect read from stack off -8+0 size 8",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "calls: ctx read at start of subprog",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+ BPF_JMP_REG(BPF_JSGT, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "calls: cross frame pruning",
+ .insns = {
+ /* r8 = !!random();
+ * call pruner()
+ * if (r8)
+ * do something bad;
+ */
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_IMM(BPF_REG_8, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_8, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_8, 1, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr = "!read_ok",
+ .result = REJECT,
+},
+{
+ "calls: cross frame pruning - liveness propagation",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_IMM(BPF_REG_8, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_8, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_IMM(BPF_REG_9, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_9, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_8, 1, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr = "!read_ok",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/cfg.c b/tools/testing/selftests/bpf/verifier/cfg.c
new file mode 100644
index 000000000000..4eb76ed739ce
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/cfg.c
@@ -0,0 +1,73 @@
+{
+ "unreachable",
+ .insns = {
+ BPF_EXIT_INSN(),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "unreachable",
+ .result = REJECT,
+},
+{
+ "unreachable2",
+ .insns = {
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "unreachable",
+ .result = REJECT,
+},
+{
+ "out of range jump",
+ .insns = {
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "jump out of range",
+ .result = REJECT,
+},
+{
+ "out of range jump2",
+ .insns = {
+ BPF_JMP_IMM(BPF_JA, 0, 0, -2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "jump out of range",
+ .result = REJECT,
+},
+{
+ "loop (back-edge)",
+ .insns = {
+ BPF_JMP_IMM(BPF_JA, 0, 0, -1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "unreachable insn 1",
+ .errstr_unpriv = "back-edge",
+ .result = REJECT,
+},
+{
+ "loop2 (back-edge)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -4),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "unreachable insn 4",
+ .errstr_unpriv = "back-edge",
+ .result = REJECT,
+},
+{
+ "conditional loop",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -3),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "infinite loop detected",
+ .errstr_unpriv = "back-edge",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c b/tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c
new file mode 100644
index 000000000000..6d65fe3e7321
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c
@@ -0,0 +1,72 @@
+{
+ "bpf_exit with invalid return code. test1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R0 has value (0x0; 0xffffffff)",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+ "bpf_exit with invalid return code. test2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+ "bpf_exit with invalid return code. test3",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R0 has value (0x0; 0x3)",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+ "bpf_exit with invalid return code. test4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+ "bpf_exit with invalid return code. test5",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R0 has value (0x2; 0x0)",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+ "bpf_exit with invalid return code. test6",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R0 is not a known value (ctx)",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+ "bpf_exit with invalid return code. test7",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 4),
+ BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R0 has unknown scalar value",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
diff --git a/tools/testing/selftests/bpf/verifier/cgroup_skb.c b/tools/testing/selftests/bpf/verifier/cgroup_skb.c
new file mode 100644
index 000000000000..52e4c03b076b
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/cgroup_skb.c
@@ -0,0 +1,197 @@
+{
+ "direct packet read test#1 for CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+ offsetof(struct __sk_buff, pkt_type)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
+ offsetof(struct __sk_buff, mark)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, queue_mapping)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+ offsetof(struct __sk_buff, protocol)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+ offsetof(struct __sk_buff, vlan_present)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "invalid bpf_context access off=76 size=4",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "direct packet read test#2 for CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+ offsetof(struct __sk_buff, vlan_tci)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+ offsetof(struct __sk_buff, vlan_proto)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, priority)),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
+ offsetof(struct __sk_buff, priority)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, ingress_ifindex)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_index)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+ offsetof(struct __sk_buff, hash)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "direct packet read test#3 for CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[1])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+ offsetof(struct __sk_buff, napi_id)),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_4,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_5,
+ offsetof(struct __sk_buff, cb[1])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_7,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_8,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "direct packet read test#4 for CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, family)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip4)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip4)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip6[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip6[1])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip6[2])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip6[3])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip6[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip6[1])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip6[2])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip6[3])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_port)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+ offsetof(struct __sk_buff, local_port)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid access of tc_classid for CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_classid)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid bpf_context access",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid access of data_meta for CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, data_meta)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid bpf_context access",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid access of flow_keys for CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, flow_keys)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid bpf_context access",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid write access to napi_id for CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+ offsetof(struct __sk_buff, napi_id)),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_9,
+ offsetof(struct __sk_buff, napi_id)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid bpf_context access",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "write tstamp from CGROUP_SKB",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, tstamp)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "invalid bpf_context access off=152 size=8",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "read tstamp from CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tstamp)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
diff --git a/tools/testing/selftests/bpf/verifier/cgroup_storage.c b/tools/testing/selftests/bpf/verifier/cgroup_storage.c
new file mode 100644
index 000000000000..97057c0a1b8a
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/cgroup_storage.c
@@ -0,0 +1,220 @@
+{
+ "valid cgroup storage access",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_cgroup_storage = { 1 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid cgroup storage access 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 1 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 1 into func bpf_get_local_storage",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid cgroup storage access 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "fd 1 is not pointing to valid bpf_map",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid cgroup storage access 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 256),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_cgroup_storage = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=64 off=256 size=4",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid cgroup storage access 4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, -2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_cgroup_storage = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=64 off=-2 size=4",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "invalid cgroup storage access 5",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 7),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_cgroup_storage = { 1 },
+ .result = REJECT,
+ .errstr = "get_local_storage() doesn't support non-zero flags",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid cgroup storage access 6",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_cgroup_storage = { 1 },
+ .result = REJECT,
+ .errstr = "get_local_storage() doesn't support non-zero flags",
+ .errstr_unpriv = "R2 leaks addr into helper function",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "valid per-cpu cgroup storage access",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_percpu_cgroup_storage = { 1 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid per-cpu cgroup storage access 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 1 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 1 into func bpf_get_local_storage",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid per-cpu cgroup storage access 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "fd 1 is not pointing to valid bpf_map",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid per-cpu cgroup storage access 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 256),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_percpu_cgroup_storage = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=64 off=256 size=4",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid per-cpu cgroup storage access 4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, -2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_cgroup_storage = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=64 off=-2 size=4",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "invalid per-cpu cgroup storage access 5",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 7),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_percpu_cgroup_storage = { 1 },
+ .result = REJECT,
+ .errstr = "get_local_storage() doesn't support non-zero flags",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "invalid per-cpu cgroup storage access 6",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_percpu_cgroup_storage = { 1 },
+ .result = REJECT,
+ .errstr = "get_local_storage() doesn't support non-zero flags",
+ .errstr_unpriv = "R2 leaks addr into helper function",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
diff --git a/tools/testing/selftests/bpf/verifier/const_or.c b/tools/testing/selftests/bpf/verifier/const_or.c
new file mode 100644
index 000000000000..84446dfc7c1d
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/const_or.c
@@ -0,0 +1,60 @@
+{
+ "constant register |= constant should keep constant type",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
+ BPF_MOV64_IMM(BPF_REG_2, 34),
+ BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "constant register |= constant should not bypass stack boundary checks",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
+ BPF_MOV64_IMM(BPF_REG_2, 34),
+ BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 24),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid stack type R1 off=-48 access_size=58",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "constant register |= constant register should keep constant type",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
+ BPF_MOV64_IMM(BPF_REG_2, 34),
+ BPF_MOV64_IMM(BPF_REG_4, 13),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "constant register |= constant register should not bypass stack boundary checks",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
+ BPF_MOV64_IMM(BPF_REG_2, 34),
+ BPF_MOV64_IMM(BPF_REG_4, 24),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid stack type R1 off=-48 access_size=58",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ctx.c b/tools/testing/selftests/bpf/verifier/ctx.c
new file mode 100644
index 000000000000..92762c08f5e3
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ctx.c
@@ -0,0 +1,93 @@
+{
+ "context stores via ST",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, offsetof(struct __sk_buff, mark), 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "BPF_ST stores into R1 ctx is not allowed",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "context stores via XADD",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_RAW_INSN(BPF_STX | BPF_XADD | BPF_W, BPF_REG_1,
+ BPF_REG_0, offsetof(struct __sk_buff, mark), 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "BPF_XADD stores into R1 ctx is not allowed",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "arithmetic ops make PTR_TO_CTX unusable",
+ .insns = {
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1,
+ offsetof(struct __sk_buff, data) -
+ offsetof(struct __sk_buff, mark)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "dereference of modified ctx ptr",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "pass unmodified ctx pointer to helper",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_csum_update),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "pass modified ctx pointer to helper, 1",
+ .insns = {
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -612),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_csum_update),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "dereference of modified ctx ptr",
+},
+{
+ "pass modified ctx pointer to helper, 2",
+ .insns = {
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -612),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_get_socket_cookie),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result_unpriv = REJECT,
+ .result = REJECT,
+ .errstr_unpriv = "dereference of modified ctx ptr",
+ .errstr = "dereference of modified ctx ptr",
+},
+{
+ "pass modified ctx pointer to helper, 3",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_3, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_csum_update),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "variable ctx access var_off=(0x0; 0x4)",
+},
diff --git a/tools/testing/selftests/bpf/verifier/ctx_sk_msg.c b/tools/testing/selftests/bpf/verifier/ctx_sk_msg.c
new file mode 100644
index 000000000000..c6c69220a569
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ctx_sk_msg.c
@@ -0,0 +1,181 @@
+{
+ "valid access family in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, family)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+ "valid access remote_ip4 in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, remote_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+ "valid access local_ip4 in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, local_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+ "valid access remote_port in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+ "valid access local_port in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+ "valid access remote_ip6 in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, remote_ip6[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, remote_ip6[1])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, remote_ip6[2])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, remote_ip6[3])),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "valid access local_ip6 in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, local_ip6[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, local_ip6[1])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, local_ip6[2])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, local_ip6[3])),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "valid access size in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct sk_msg_md, size)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+ "invalid 64B read of size in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
+ offsetof(struct sk_msg_md, size)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "invalid read past end of SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct sk_msg_md, size) + 4),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+ "invalid read offset in SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct sk_msg_md, family) + 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "direct packet read for SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
+ offsetof(struct sk_msg_md, data)),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
+ offsetof(struct sk_msg_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+ "direct packet write for SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
+ offsetof(struct sk_msg_md, data)),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
+ offsetof(struct sk_msg_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+ "overlapping checks for direct packet access SK_MSG",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
+ offsetof(struct sk_msg_md, data)),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
+ offsetof(struct sk_msg_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_MSG,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ctx_skb.c b/tools/testing/selftests/bpf/verifier/ctx_skb.c
new file mode 100644
index 000000000000..b0fda2877119
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ctx_skb.c
@@ -0,0 +1,1033 @@
+{
+ "access skb fields ok",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, pkt_type)),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, queue_mapping)),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, protocol)),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, vlan_present)),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, vlan_tci)),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, napi_id)),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "access skb fields bad1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -4),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "access skb fields bad2",
+ .insns = {
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, pkt_type)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .errstr = "different pointers",
+ .errstr_unpriv = "R1 pointer comparison",
+ .result = REJECT,
+},
+{
+ "access skb fields bad3",
+ .insns = {
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, pkt_type)),
+ BPF_EXIT_INSN(),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -12),
+ },
+ .fixup_map_hash_8b = { 6 },
+ .errstr = "different pointers",
+ .errstr_unpriv = "R1 pointer comparison",
+ .result = REJECT,
+},
+{
+ "access skb fields bad4",
+ .insns = {
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 3),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -13),
+ },
+ .fixup_map_hash_8b = { 7 },
+ .errstr = "different pointers",
+ .errstr_unpriv = "R1 pointer comparison",
+ .result = REJECT,
+},
+{
+ "invalid access __sk_buff family",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, family)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "invalid access __sk_buff remote_ip4",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "invalid access __sk_buff local_ip4",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "invalid access __sk_buff remote_ip6",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip6)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "invalid access __sk_buff local_ip6",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip6)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "invalid access __sk_buff remote_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "invalid access __sk_buff remote_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "valid access __sk_buff family",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, family)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "valid access __sk_buff remote_ip4",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "valid access __sk_buff local_ip4",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip4)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "valid access __sk_buff remote_ip6",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip6[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip6[1])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip6[2])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_ip6[3])),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "valid access __sk_buff local_ip6",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip6[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip6[1])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip6[2])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, local_ip6[3])),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "valid access __sk_buff remote_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, remote_port)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "valid access __sk_buff remote_port",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, local_port)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "invalid access of tc_classid for SK_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_classid)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .errstr = "invalid bpf_context access",
+},
+{
+ "invalid access of skb->mark for SK_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .errstr = "invalid bpf_context access",
+},
+{
+ "check skb->mark is not writeable by SK_SKB",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .errstr = "invalid bpf_context access",
+},
+{
+ "check skb->tc_index is writeable by SK_SKB",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, tc_index)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "check skb->priority is writeable by SK_SKB",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, priority)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "direct packet read for SK_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "direct packet write for SK_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "overlapping checks for direct packet access SK_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+ "check skb->mark is not writeable by sockets",
+ .insns = {
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .errstr_unpriv = "R1 leaks addr",
+ .result = REJECT,
+},
+{
+ "check skb->tc_index is not writeable by sockets",
+ .insns = {
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_index)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .errstr_unpriv = "R1 leaks addr",
+ .result = REJECT,
+},
+{
+ "check cb access: byte",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0]) + 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0]) + 2),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0]) + 3),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[1])),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[1]) + 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[1]) + 2),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[1]) + 3),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[2]) + 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[2]) + 2),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[2]) + 3),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[3]) + 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[3]) + 2),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[3]) + 3),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4]) + 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4]) + 2),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4]) + 3),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0]) + 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0]) + 2),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0]) + 3),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[1])),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[1]) + 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[1]) + 2),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[1]) + 3),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2]) + 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2]) + 2),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2]) + 3),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[3]) + 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[3]) + 2),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[3]) + 3),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4]) + 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4]) + 2),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4]) + 3),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "__sk_buff->hash, offset 0, byte store not permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, hash)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "__sk_buff->tc_index, offset 3, byte store not permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, tc_index) + 3),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "check skb->hash byte load permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash)),
+#else
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 3),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check skb->hash byte load permitted 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check skb->hash byte load permitted 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check skb->hash byte load permitted 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 3),
+#else
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash)),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check cb access: byte, wrong type",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+ "check cb access: half",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0]) + 2),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[1])),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[1]) + 2),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[2]) + 2),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[3]) + 2),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4]) + 2),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0]) + 2),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[1])),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[1]) + 2),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2]) + 2),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[3]) + 2),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4]) + 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check cb access: half, unaligned",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0]) + 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "misaligned context access",
+ .result = REJECT,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+ "check __sk_buff->hash, offset 0, half store not permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, hash)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "check __sk_buff->tc_index, offset 2, half store not permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, tc_index) + 2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "check skb->hash half load permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash)),
+#else
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 2),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check skb->hash half load permitted 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 2),
+#else
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash)),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check skb->hash half load not permitted, unaligned 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 1),
+#else
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 3),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "check skb->hash half load not permitted, unaligned 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 3),
+#else
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, hash) + 1),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "check cb access: half, wrong type",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+ "check cb access: word",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[1])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[1])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check cb access: word, unaligned 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0]) + 2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "misaligned context access",
+ .result = REJECT,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+ "check cb access: word, unaligned 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4]) + 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "misaligned context access",
+ .result = REJECT,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+ "check cb access: word, unaligned 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4]) + 2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "misaligned context access",
+ .result = REJECT,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+ "check cb access: word, unaligned 4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4]) + 3),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "misaligned context access",
+ .result = REJECT,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+ "check cb access: double",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "check cb access: double, unaligned 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[1])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "misaligned context access",
+ .result = REJECT,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+ "check cb access: double, unaligned 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "misaligned context access",
+ .result = REJECT,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+ "check cb access: double, oob 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "check cb access: double, oob 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "check __sk_buff->ifindex dw store not permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, ifindex)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "check __sk_buff->ifindex dw load not permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, ifindex)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "check cb access: double, wrong type",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+ "check out of range skb->cb access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0]) + 256),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .errstr_unpriv = "",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_ACT,
+},
+{
+ "write skb fields from socket prog",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[4])),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_index)),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[2])),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .errstr_unpriv = "R1 leaks addr",
+ .result_unpriv = REJECT,
+},
+{
+ "write skb fields from tc_cls_act prog",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, mark)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_index)),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, tc_index)),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[3])),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tstamp)),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, tstamp)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "check skb->data half load not permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+#else
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, data) + 2),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid bpf_context access",
+},
+{
+ "read gso_segs from CGROUP_SKB",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, gso_segs)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "write gso_segs from CGROUP_SKB",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, gso_segs)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ .errstr = "invalid bpf_context access off=164 size=4",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "read gso_segs from CLS",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, gso_segs)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "check wire_len is not readable by sockets",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, wire_len)),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "check wire_len is readable by tc classifier",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, wire_len)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "check wire_len is not writable by tc classifier",
+ .insns = {
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, wire_len)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "invalid bpf_context access",
+ .errstr_unpriv = "R1 leaks addr",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/dead_code.c b/tools/testing/selftests/bpf/verifier/dead_code.c
new file mode 100644
index 000000000000..50a8a63be4ac
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/dead_code.c
@@ -0,0 +1,159 @@
+{
+ "dead code: start",
+ .insns = {
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 7),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, -4),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 7,
+},
+{
+ "dead code: mid 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 7),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 7,
+},
+{
+ "dead code: mid 2",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 4),
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 7),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "dead code: end 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 7),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
+ BPF_EXIT_INSN(),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 7,
+},
+{
+ "dead code: end 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 7),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 12),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 7,
+},
+{
+ "dead code: end 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 7),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 8, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 12),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -5),
+ },
+ .result = ACCEPT,
+ .retval = 7,
+},
+{
+ "dead code: tail of main + func",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 7),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 8, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 12),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = 7,
+},
+{
+ "dead code: tail of main + two functions",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 7),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 8, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 12),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = 7,
+},
+{
+ "dead code: function in the middle and mid of another func",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 12),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 7),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 7, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -5),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = 7,
+},
+{
+ "dead code: middle of main before call",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 2),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 2, 1),
+ BPF_MOV64_IMM(BPF_REG_1, 5),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "dead code: start of a function",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = 2,
+},
diff --git a/tools/testing/selftests/bpf/verifier/direct_packet_access.c b/tools/testing/selftests/bpf/verifier/direct_packet_access.c
new file mode 100644
index 000000000000..2c5fbe7bcd27
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/direct_packet_access.c
@@ -0,0 +1,656 @@
+{
+ "pkt_end - pkt_start is allowed",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = TEST_DATA_LEN,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 15),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 7),
+ BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_3, 12),
+ BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 14),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 49),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 49),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_3, 4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test3",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_context access off=76",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+},
+{
+ "direct packet access: test4 (write)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test5 (pkt_end >= reg, good access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test6 (pkt_end >= reg, bad access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 3),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid access to packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test7 (pkt_end >= reg, both accesses)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 3),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid access to packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test8 (double test, variant 1)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 4),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test9 (double test, variant 2)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test10 (write invalid)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid access to packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test11 (shift, good access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8),
+ BPF_MOV64_IMM(BPF_REG_3, 144),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_5, 3),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 1,
+},
+{
+ "direct packet access: test12 (and, good access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8),
+ BPF_MOV64_IMM(BPF_REG_3, 144),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_5, 15),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 1,
+},
+{
+ "direct packet access: test13 (branches, good access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 13),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_MOV64_IMM(BPF_REG_4, 1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_4, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 14),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 24),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_5, 15),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 1,
+},
+{
+ "direct packet access: test14 (pkt_ptr += 0, CONST_IMM, good access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 7),
+ BPF_MOV64_IMM(BPF_REG_5, 12),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_5, 4),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 1,
+},
+{
+ "direct packet access: test15 (spill with xadd)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8),
+ BPF_MOV64_IMM(BPF_REG_5, 4096),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+ BPF_STX_XADD(BPF_DW, BPF_REG_4, BPF_REG_5, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_2, BPF_REG_5, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R2 invalid mem access 'inv'",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "direct packet access: test16 (arith on data_end)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 16),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R3 pointer arithmetic on pkt_end",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test17 (pruning, alignment)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 14),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_7, 1, 4),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, -4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_JMP_A(-6),
+ },
+ .errstr = "misaligned packet access off 2+(0x0; 0x0)+15+-4 size 4",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+ "direct packet access: test18 (imm += pkt_ptr, 1)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_IMM(BPF_REG_0, 8),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test19 (imm += pkt_ptr, 2)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+ BPF_MOV64_IMM(BPF_REG_4, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
+ BPF_STX_MEM(BPF_B, BPF_REG_4, BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test20 (x += pkt_ptr, 1)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_IMM(BPF_REG_0, 0xffffffff),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0x7fff),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0x7fff - 1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "direct packet access: test21 (x += pkt_ptr, 2)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 9),
+ BPF_MOV64_IMM(BPF_REG_4, 0xffffffff),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_4, 0x7fff),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0x7fff - 1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "direct packet access: test22 (x += pkt_ptr, 3)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_3, -16),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_10, -16),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 11),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8),
+ BPF_MOV64_IMM(BPF_REG_4, 0xffffffff),
+ BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_4, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 49),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_STX_MEM(BPF_H, BPF_REG_4, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "direct packet access: test23 (x += pkt_ptr, 4)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xffff),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_0, 31),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0xffff - 1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "invalid access to packet, off=0 size=8, R5(id=1,off=0,r=0)",
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "direct packet access: test24 (x += pkt_ptr, 5)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_IMM(BPF_REG_0, 0xffffffff),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xff),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_0, 64),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x7fff - 1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "direct packet access: test25 (marking on <, good access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_0, BPF_REG_3, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -4),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test26 (marking on <, bad access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_0, BPF_REG_3, 3),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -3),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test27 (marking on <=, good access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_0, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 1,
+},
+{
+ "direct packet access: test28 (marking on <=, bad access)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -4),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "direct packet access: test29 (reg > pkt_end in subprog)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/direct_stack_access_wraparound.c b/tools/testing/selftests/bpf/verifier/direct_stack_access_wraparound.c
new file mode 100644
index 000000000000..698e3779fdd2
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/direct_stack_access_wraparound.c
@@ -0,0 +1,40 @@
+{
+ "direct stack access with 32-bit wraparound. test1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "fp pointer and 2147483647",
+ .result = REJECT
+},
+{
+ "direct stack access with 32-bit wraparound. test2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x3fffffff),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x3fffffff),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "fp pointer and 1073741823",
+ .result = REJECT
+},
+{
+ "direct stack access with 32-bit wraparound. test3",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x1fffffff),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x1fffffff),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "fp pointer offset 1073741822",
+ .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+ .result = REJECT
+},
diff --git a/tools/testing/selftests/bpf/verifier/direct_value_access.c b/tools/testing/selftests/bpf/verifier/direct_value_access.c
new file mode 100644
index 000000000000..b9fb28e8e224
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/direct_value_access.c
@@ -0,0 +1,347 @@
+{
+ "direct map access, write test 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "direct map access, write test 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "direct map access, write test 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 4242),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "direct map access, write test 4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 40),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "direct map access, write test 5",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 32),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 4242),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "direct map access, write test 6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 40),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 4, 4242),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "R1 min value is outside of the array range",
+},
+{
+ "direct map access, write test 7",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, -1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 4, 4242),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "direct value offset of 4294967295 is not allowed",
+},
+{
+ "direct map access, write test 8",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, -1, 4242),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "direct map access, write test 9",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 48),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to map value pointer",
+},
+{
+ "direct map access, write test 10",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 47),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "direct map access, write test 11",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 48),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to map value pointer",
+},
+{
+ "direct map access, write test 12",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, (1<<29)),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "direct value offset of 536870912 is not allowed",
+},
+{
+ "direct map access, write test 13",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, (1<<29)-1),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to map value pointer, value_size=48 off=536870911",
+},
+{
+ "direct map access, write test 14",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 47),
+ BPF_LD_MAP_VALUE(BPF_REG_2, 0, 46),
+ BPF_ST_MEM(BPF_H, BPF_REG_2, 0, 0xffff),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1, 3 },
+ .result = ACCEPT,
+ .retval = 0xff,
+},
+{
+ "direct map access, write test 15",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 46),
+ BPF_LD_MAP_VALUE(BPF_REG_2, 0, 46),
+ BPF_ST_MEM(BPF_H, BPF_REG_2, 0, 0xffff),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1, 3 },
+ .result = ACCEPT,
+ .retval = 0xffff,
+},
+{
+ "direct map access, write test 16",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 46),
+ BPF_LD_MAP_VALUE(BPF_REG_2, 0, 47),
+ BPF_ST_MEM(BPF_H, BPF_REG_2, 0, 0xffff),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1, 3 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=48 off=47 size=2",
+},
+{
+ "direct map access, write test 17",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 46),
+ BPF_LD_MAP_VALUE(BPF_REG_2, 0, 46),
+ BPF_ST_MEM(BPF_H, BPF_REG_2, 1, 0xffff),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1, 3 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=48 off=47 size=2",
+},
+{
+ "direct map access, write test 18",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 0),
+ BPF_ST_MEM(BPF_H, BPF_REG_1, 0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_small = { 1 },
+ .result = REJECT,
+ .errstr = "R1 min value is outside of the array range",
+},
+{
+ "direct map access, write test 19",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 0),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_small = { 1 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "direct map access, write test 20",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_VALUE(BPF_REG_1, 0, 1),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_small = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to map value pointer",
+},
+{
+ "direct map access, invalid insn test 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, 0, 1, 0, 47),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+ "direct map access, invalid insn test 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, 1, 0, 0, 47),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "BPF_LD_IMM64 uses reserved fields",
+},
+{
+ "direct map access, invalid insn test 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, ~0, 0, 0, 47),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "BPF_LD_IMM64 uses reserved fields",
+},
+{
+ "direct map access, invalid insn test 4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, 0, ~0, 0, 47),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+ "direct map access, invalid insn test 5",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, ~0, ~0, 0, 47),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+ "direct map access, invalid insn test 6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, ~0, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "BPF_LD_IMM64 uses reserved fields",
+},
+{
+ "direct map access, invalid insn test 7",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, 0, ~0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+ "direct map access, invalid insn test 8",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, ~0, ~0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+ "direct map access, invalid insn test 9",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, 0, 0, 0, 47),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = REJECT,
+ .errstr = "unrecognized bpf_ld_imm64 insn",
+},
diff --git a/tools/testing/selftests/bpf/verifier/div0.c b/tools/testing/selftests/bpf/verifier/div0.c
new file mode 100644
index 000000000000..7685edfbcf71
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/div0.c
@@ -0,0 +1,184 @@
+{
+ "DIV32 by 0, zero check 1",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 42),
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_2, 1),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "DIV32 by 0, zero check 2",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 42),
+ BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
+ BPF_MOV32_IMM(BPF_REG_2, 1),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "DIV64 by 0, zero check",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 42),
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_2, 1),
+ BPF_ALU64_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "MOD32 by 0, zero check 1",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 42),
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_2, 1),
+ BPF_ALU32_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "MOD32 by 0, zero check 2",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 42),
+ BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
+ BPF_MOV32_IMM(BPF_REG_2, 1),
+ BPF_ALU32_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "MOD64 by 0, zero check",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 42),
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_2, 1),
+ BPF_ALU64_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "DIV32 by 0, zero check ok, cls",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 42),
+ BPF_MOV32_IMM(BPF_REG_1, 2),
+ BPF_MOV32_IMM(BPF_REG_2, 16),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 8,
+},
+{
+ "DIV32 by 0, zero check 1, cls",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "DIV32 by 0, zero check 2, cls",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "DIV64 by 0, zero check, cls",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_ALU64_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "MOD32 by 0, zero check ok, cls",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 42),
+ BPF_MOV32_IMM(BPF_REG_1, 3),
+ BPF_MOV32_IMM(BPF_REG_2, 5),
+ BPF_ALU32_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "MOD32 by 0, zero check 1, cls",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "MOD32 by 0, zero check 2, cls",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "MOD64 by 0, zero check 1, cls",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_0, 2),
+ BPF_ALU64_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "MOD64 by 0, zero check 2, cls",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_0, -1),
+ BPF_ALU64_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = -1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/div_overflow.c b/tools/testing/selftests/bpf/verifier/div_overflow.c
new file mode 100644
index 000000000000..acab4f00819f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/div_overflow.c
@@ -0,0 +1,110 @@
+/* Just make sure that JITs used udiv/umod as otherwise we get
+ * an exception from INT_MIN/-1 overflow similarly as with div
+ * by zero.
+ */
+{
+ "DIV32 overflow, check 1",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, -1),
+ BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "DIV32 overflow, check 2",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
+ BPF_ALU32_IMM(BPF_DIV, BPF_REG_0, -1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "DIV64 overflow, check 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, -1),
+ BPF_LD_IMM64(BPF_REG_2, LLONG_MIN),
+ BPF_ALU64_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 1),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "DIV64 overflow, check 2",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_1, LLONG_MIN),
+ BPF_ALU64_IMM(BPF_DIV, BPF_REG_1, -1),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_1, 1),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "MOD32 overflow, check 1",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, -1),
+ BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
+ BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = INT_MIN,
+},
+{
+ "MOD32 overflow, check 2",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
+ BPF_ALU32_IMM(BPF_MOD, BPF_REG_0, -1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = INT_MIN,
+},
+{
+ "MOD64 overflow, check 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, -1),
+ BPF_LD_IMM64(BPF_REG_2, LLONG_MIN),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+ BPF_ALU64_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_3, BPF_REG_2, 1),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "MOD64 overflow, check 2",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_2, LLONG_MIN),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_MOD, BPF_REG_2, -1),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_3, BPF_REG_2, 1),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/helper_access_var_len.c b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
new file mode 100644
index 000000000000..67ab12410050
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
@@ -0,0 +1,616 @@
+{
+ "helper access to variable memory: stack, bitwise AND + JMP, correct bounds",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_MOV64_IMM(BPF_REG_2, 16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: stack, bitwise AND, zero included",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid indirect read from stack off -64+0 size 64",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: stack, bitwise AND + JMP, wrong max",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 65),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid stack type R1 off=-64 access_size=65",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: stack, JMP, correct bounds",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_MOV64_IMM(BPF_REG_2, 16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 4),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: stack, JMP (signed), correct bounds",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_MOV64_IMM(BPF_REG_2, 16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 4),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: stack, JMP, bounds + offset",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 5),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid stack type R1 off=-64 access_size=65",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: stack, JMP, wrong max",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 65, 4),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid stack type R1 off=-64 access_size=65",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: stack, JMP, no max check",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ /* because max wasn't checked, signed min is negative */
+ .errstr = "R2 min value is negative, either use unsigned or 'var &= const'",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: stack, JMP, no min check",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 3),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid indirect read from stack off -64+0 size 64",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: stack, JMP (signed), no min check",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 3),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R2 min value is negative",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: map, JMP, correct bounds",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val), 4),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: map, JMP, wrong max",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val) + 1, 4),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 4 },
+ .errstr = "invalid access to map value, value_size=48 off=0 size=49",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: map adjusted, JMP, correct bounds",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 20),
+ BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val) - 20, 4),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: map adjusted, JMP, wrong max",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 20),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val) - 19, 4),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 4 },
+ .errstr = "R1 min value is outside of the array range",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: size = 0 allowed on NULL (ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to variable memory: size > 0 not allowed on NULL (ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 type=inv expected=fp",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to variable memory: size = 0 allowed on != NULL stack pointer (ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to variable memory: size = 0 allowed on != NULL map pointer (ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to variable memory: size possible = 0 allowed on != NULL stack pointer (ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 7),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to variable memory: size possible = 0 allowed on != NULL map pointer (ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to variable memory: size possible = 0 allowed on != NULL packet pointer (ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 7),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 0 /* csum_diff of 64-byte packet */,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "helper access to variable memory: size = 0 not allowed on NULL (!ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 type=inv expected=fp",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: size > 0 not allowed on NULL (!ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 type=inv expected=fp",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: size = 0 allowed on != NULL stack pointer (!ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: size = 0 allowed on != NULL map pointer (!ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: size possible = 0 allowed on != NULL stack pointer (!ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: size possible = 0 allowed on != NULL map pointer (!ARG_PTR_TO_MEM_OR_NULL)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 2),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: 8 bytes leak",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 63),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid indirect read from stack off -64+32 size 64",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to variable memory: 8 bytes no leak (init memory)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 32),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 32),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/helper_packet_access.c b/tools/testing/selftests/bpf/verifier/helper_packet_access.c
new file mode 100644
index 000000000000..ae54587e9829
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/helper_packet_access.c
@@ -0,0 +1,460 @@
+{
+ "helper access to packet: test1, valid packet_ptr range",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_update_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 5 },
+ .result_unpriv = ACCEPT,
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "helper access to packet: test2, unchecked packet_ptr",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "helper access to packet: test3, variable add",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10),
+ BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 11 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "helper access to packet: test4, packet_ptr with bad range",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 7 },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "helper access to packet: test5, packet_ptr with too short range",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 6 },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "helper access to packet: test6, cls valid packet_ptr range",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_update_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 5 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test7, cls unchecked packet_ptr",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 1 },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test8, cls variable add",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10),
+ BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 11 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test9, cls packet_ptr with bad range",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 7 },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test10, cls packet_ptr with too short range",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 6 },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test11, cls unsuitable helper 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_7, 4),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 42),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_store_bytes),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "helper access to the packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test12, cls unsuitable helper 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_7, 3),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "helper access to the packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test13, cls helper ok",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test14, cls helper ok sub",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 4),
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test15, cls helper fail sub",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 12),
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test16, cls helper fail range 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_2, 8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test17, cls helper fail range 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_2, -9),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R2 min value is negative",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test18, cls helper fail range 3",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_2, ~0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R2 min value is negative",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test19, cls helper range zero",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test20, pkt end as input",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R1 type=pkt_end expected=fp",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "helper access to packet: test21, wrong reg",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/helper_value_access.c b/tools/testing/selftests/bpf/verifier/helper_value_access.c
new file mode 100644
index 000000000000..7572e403ddb9
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/helper_value_access.c
@@ -0,0 +1,953 @@
+{
+ "helper access to map: full range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: partial range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, 8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: empty range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_trace_printk),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "invalid access to map value, value_size=48 off=0 size=0",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: out-of-bound range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val) + 8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "invalid access to map value, value_size=48 off=0 size=56",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: negative range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, -8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R2 min value is negative",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const imm): full range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_2,
+ sizeof(struct test_val) - offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const imm): partial range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_2, 8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const imm): empty range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_trace_printk),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "invalid access to map value, value_size=48 off=4 size=0",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const imm): out-of-bound range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_2,
+ sizeof(struct test_val) - offsetof(struct test_val, foo) + 8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "invalid access to map value, value_size=48 off=4 size=52",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const imm): negative range (> adjustment)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_2, -8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R2 min value is negative",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const imm): negative range (< adjustment)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R2 min value is negative",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const reg): full range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2,
+ sizeof(struct test_val) - offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const reg): partial range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2, 8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const reg): empty range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_trace_printk),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R1 min value is outside of the array range",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const reg): out-of-bound range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2,
+ sizeof(struct test_val) -
+ offsetof(struct test_val, foo) + 8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "invalid access to map value, value_size=48 off=4 size=52",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const reg): negative range (> adjustment)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2, -8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R2 min value is negative",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via const reg): negative range (< adjustment)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R2 min value is negative",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via variable): full range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct test_val, foo), 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2,
+ sizeof(struct test_val) - offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via variable): partial range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct test_val, foo), 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2, 8),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via variable): empty range",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct test_val, foo), 3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_trace_printk),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R1 min value is outside of the array range",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via variable): no max check",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R1 unbounded memory access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to adjusted map (via variable): wrong max check",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct test_val, foo), 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_MOV64_IMM(BPF_REG_2,
+ sizeof(struct test_val) -
+ offsetof(struct test_val, foo) + 1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "invalid access to map value, value_size=48 off=4 size=45",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using <, good access",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_3, 32, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using <, bad access",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_3, 32, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R1 unbounded memory access",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using <=, good access",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JLE, BPF_REG_3, 32, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using <=, bad access",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JLE, BPF_REG_3, 32, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R1 unbounded memory access",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using s<, good access",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 0, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using s<, good access 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, -3, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using s<, bad access",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, -3, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R1 min value is negative",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using s<=, good access",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 0, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using s<=, good access 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, -3, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "helper access to map: bounds check using s<=, bad access",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, -3, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R1 min value is negative",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map lookup helper access to map",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 8 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map update helper access to map",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_update_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 10 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map update helper access to map: wrong size",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_update_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .fixup_map_hash_16b = { 10 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=8 off=0 size=16",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map helper access to adjusted map (via const imm)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, offsetof(struct other_val, bar)),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 9 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map helper access to adjusted map (via const imm): out-of-bound 1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, sizeof(struct other_val) - 4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 9 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=16 off=12 size=8",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map helper access to adjusted map (via const imm): out-of-bound 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 9 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=16 off=-4 size=8",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map helper access to adjusted map (via const reg)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, offsetof(struct other_val, bar)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 10 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map helper access to adjusted map (via const reg): out-of-bound 1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, sizeof(struct other_val) - 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 10 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=16 off=12 size=8",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map helper access to adjusted map (via const reg): out-of-bound 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, -4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 10 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=16 off=-4 size=8",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map helper access to adjusted map (via variable)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct other_val, bar), 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 11 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map helper access to adjusted map (via variable): no max check",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 10 },
+ .result = REJECT,
+ .errstr = "R2 unbounded memory access, make sure to bounds check any array access into a map",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "map helper access to adjusted map (via variable): wrong max check",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct other_val, bar) + 1, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 3, 11 },
+ .result = REJECT,
+ .errstr = "invalid access to map value, value_size=16 off=9 size=8",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/int_ptr.c b/tools/testing/selftests/bpf/verifier/int_ptr.c
new file mode 100644
index 000000000000..ca3b4729df66
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/int_ptr.c
@@ -0,0 +1,160 @@
+{
+ "ARG_PTR_TO_LONG uninitialized",
+ .insns = {
+ /* bpf_strtoul arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* bpf_strtoul arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* bpf_strtoul arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* bpf_strtoul arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ /* bpf_strtoul() */
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+ .errstr = "invalid indirect read from stack off -16+0 size 8",
+},
+{
+ "ARG_PTR_TO_LONG half-uninitialized",
+ .insns = {
+ /* bpf_strtoul arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* bpf_strtoul arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* bpf_strtoul arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* bpf_strtoul arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ /* bpf_strtoul() */
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+ .errstr = "invalid indirect read from stack off -16+4 size 8",
+},
+{
+ "ARG_PTR_TO_LONG misaligned",
+ .insns = {
+ /* bpf_strtoul arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* bpf_strtoul arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* bpf_strtoul arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* bpf_strtoul arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -12),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 4),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ /* bpf_strtoul() */
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+ .errstr = "misaligned stack access off (0x0; 0x0)+-20+0 size 8",
+},
+{
+ "ARG_PTR_TO_LONG size < sizeof(long)",
+ .insns = {
+ /* bpf_strtoul arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -16),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* bpf_strtoul arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* bpf_strtoul arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* bpf_strtoul arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 12),
+ BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ /* bpf_strtoul() */
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+ .errstr = "invalid stack type R4 off=-4 access_size=8",
+},
+{
+ "ARG_PTR_TO_LONG initialized",
+ .insns = {
+ /* bpf_strtoul arg1 (buf) */
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+ /* bpf_strtoul arg2 (buf_len) */
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+
+ /* bpf_strtoul arg3 (flags) */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+
+ /* bpf_strtoul arg4 (res) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+ /* bpf_strtoul() */
+ BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+},
diff --git a/tools/testing/selftests/bpf/verifier/jit.c b/tools/testing/selftests/bpf/verifier/jit.c
new file mode 100644
index 000000000000..c33adf344fae
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/jit.c
@@ -0,0 +1,107 @@
+{
+ "jit: lsh, rsh, arsh by 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_IMM(BPF_REG_1, 0xff),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 1),
+ BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x3fc, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 1),
+ BPF_ALU32_IMM(BPF_RSH, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0xff, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x7f, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jit: mov32 for ldimm64, 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_LD_IMM64(BPF_REG_1, 0xfeffffffffffffffULL),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 32),
+ BPF_LD_IMM64(BPF_REG_2, 0xfeffffffULL),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jit: mov32 for ldimm64, 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_1, 0x1ffffffffULL),
+ BPF_LD_IMM64(BPF_REG_2, 0xffffffffULL),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jit: various mul tests",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_2, 0xeeff0d413122ULL),
+ BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL),
+ BPF_LD_IMM64(BPF_REG_1, 0xefefefULL),
+ BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
+ BPF_ALU64_REG(BPF_MUL, BPF_REG_3, BPF_REG_1),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV32_REG(BPF_REG_2, BPF_REG_2),
+ BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL),
+ BPF_ALU32_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
+ BPF_ALU32_REG(BPF_MUL, BPF_REG_3, BPF_REG_1),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LD_IMM64(BPF_REG_0, 0x952a7bbcULL),
+ BPF_LD_IMM64(BPF_REG_1, 0xfefefeULL),
+ BPF_LD_IMM64(BPF_REG_2, 0xeeff0d413122ULL),
+ BPF_ALU32_REG(BPF_MUL, BPF_REG_2, BPF_REG_1),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_2, BPF_REG_0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jit: jsgt, jslt",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_1, 0x80000000ULL),
+ BPF_LD_IMM64(BPF_REG_2, 0x0ULL),
+ BPF_JMP_REG(BPF_JSGT, BPF_REG_1, BPF_REG_2, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+
+ BPF_JMP_REG(BPF_JSLT, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
diff --git a/tools/testing/selftests/bpf/verifier/jmp32.c b/tools/testing/selftests/bpf/verifier/jmp32.c
new file mode 100644
index 000000000000..f0961c58581e
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/jmp32.c
@@ -0,0 +1,746 @@
+{
+ "jset32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ /* reg, high bits shouldn't be tested */
+ BPF_JMP32_IMM(BPF_JSET, BPF_REG_7, -2, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_EXIT_INSN(),
+
+ BPF_JMP32_IMM(BPF_JSET, BPF_REG_7, 1, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { 1ULL << 63, }
+ },
+ { .retval = 2,
+ .data64 = { 1, }
+ },
+ { .retval = 2,
+ .data64 = { 1ULL << 63 | 1, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jset32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_LD_IMM64(BPF_REG_8, 0x8000000000000000),
+ BPF_JMP32_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_EXIT_INSN(),
+
+ BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
+ BPF_JMP32_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { 1ULL << 63, }
+ },
+ { .retval = 2,
+ .data64 = { 1, }
+ },
+ { .retval = 2,
+ .data64 = { 1ULL << 63 | 1, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jset32: min/max deduction",
+ .insns = {
+ BPF_RAND_UEXT_R7,
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP32_IMM(BPF_JSET, BPF_REG_7, 0x10, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP32_IMM(BPF_JGE, BPF_REG_7, 0x10, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "jeq32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JEQ, BPF_REG_7, -1, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 2,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { -2, }
+ },
+ { .retval = 2,
+ .data64 = { -1, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jeq32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_LD_IMM64(BPF_REG_8, 0x7000000000000001),
+ BPF_JMP32_REG(BPF_JEQ, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { 2, }
+ },
+ { .retval = 2,
+ .data64 = { 1, }
+ },
+ { .retval = 2,
+ .data64 = { 1ULL << 63 | 1, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jeq32: min/max deduction",
+ .insns = {
+ BPF_RAND_UEXT_R7,
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP32_IMM(BPF_JEQ, BPF_REG_7, 0x10, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP32_IMM(BPF_JSGE, BPF_REG_7, 0xf, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "jne32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JNE, BPF_REG_7, -1, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 2,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { 1, }
+ },
+ { .retval = 0,
+ .data64 = { -1, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jne32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
+ BPF_JMP32_REG(BPF_JNE, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { 1, }
+ },
+ { .retval = 2,
+ .data64 = { 2, }
+ },
+ { .retval = 2,
+ .data64 = { 1ULL << 63 | 2, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jne32: min/max deduction",
+ .insns = {
+ BPF_RAND_UEXT_R7,
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP32_IMM(BPF_JNE, BPF_REG_7, 0x10, 1),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x10, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "jge32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JGE, BPF_REG_7, UINT_MAX - 1, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { UINT_MAX, }
+ },
+ { .retval = 2,
+ .data64 = { UINT_MAX - 1, }
+ },
+ { .retval = 0,
+ .data64 = { 0, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jge32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LD_IMM64(BPF_REG_8, UINT_MAX | 1ULL << 32),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_REG(BPF_JGE, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { UINT_MAX, }
+ },
+ { .retval = 0,
+ .data64 = { INT_MAX, }
+ },
+ { .retval = 0,
+ .data64 = { (UINT_MAX - 1) | 2ULL << 32, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jge32: min/max deduction",
+ .insns = {
+ BPF_RAND_UEXT_R7,
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+ BPF_JMP32_REG(BPF_JGE, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP32_IMM(BPF_JGE, BPF_REG_7, 0x7ffffff0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jgt32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JGT, BPF_REG_7, UINT_MAX - 1, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { UINT_MAX, }
+ },
+ { .retval = 0,
+ .data64 = { UINT_MAX - 1, }
+ },
+ { .retval = 0,
+ .data64 = { 0, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jgt32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LD_IMM64(BPF_REG_8, (UINT_MAX - 1) | 1ULL << 32),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { UINT_MAX, }
+ },
+ { .retval = 0,
+ .data64 = { UINT_MAX - 1, }
+ },
+ { .retval = 0,
+ .data64 = { (UINT_MAX - 1) | 2ULL << 32, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jgt32: min/max deduction",
+ .insns = {
+ BPF_RAND_UEXT_R7,
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+ BPF_JMP32_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_7, 0x7ffffff0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jle32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JLE, BPF_REG_7, INT_MAX, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { INT_MAX - 1, }
+ },
+ { .retval = 0,
+ .data64 = { UINT_MAX, }
+ },
+ { .retval = 2,
+ .data64 = { INT_MAX, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jle32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LD_IMM64(BPF_REG_8, (INT_MAX - 1) | 2ULL << 32),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_REG(BPF_JLE, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { INT_MAX | 1ULL << 32, }
+ },
+ { .retval = 2,
+ .data64 = { INT_MAX - 2, }
+ },
+ { .retval = 0,
+ .data64 = { UINT_MAX, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jle32: min/max deduction",
+ .insns = {
+ BPF_RAND_UEXT_R7,
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+ BPF_JMP32_REG(BPF_JLE, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP32_IMM(BPF_JLE, BPF_REG_7, 0x7ffffff0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jlt32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JLT, BPF_REG_7, INT_MAX, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { INT_MAX, }
+ },
+ { .retval = 0,
+ .data64 = { UINT_MAX, }
+ },
+ { .retval = 2,
+ .data64 = { INT_MAX - 1, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jlt32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LD_IMM64(BPF_REG_8, INT_MAX | 2ULL << 32),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_REG(BPF_JLT, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { INT_MAX | 1ULL << 32, }
+ },
+ { .retval = 0,
+ .data64 = { UINT_MAX, }
+ },
+ { .retval = 2,
+ .data64 = { (INT_MAX - 1) | 3ULL << 32, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jlt32: min/max deduction",
+ .insns = {
+ BPF_RAND_UEXT_R7,
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+ BPF_JMP32_REG(BPF_JLT, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSLT, BPF_REG_7, 0x7ffffff0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jsge32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JSGE, BPF_REG_7, -1, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { 0, }
+ },
+ { .retval = 2,
+ .data64 = { -1, }
+ },
+ { .retval = 0,
+ .data64 = { -2, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jsge32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LD_IMM64(BPF_REG_8, (__u32)-1 | 2ULL << 32),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_REG(BPF_JSGE, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { -1, }
+ },
+ { .retval = 2,
+ .data64 = { 0x7fffffff | 1ULL << 32, }
+ },
+ { .retval = 0,
+ .data64 = { -2, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jsge32: min/max deduction",
+ .insns = {
+ BPF_RAND_UEXT_R7,
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+ BPF_JMP32_REG(BPF_JSGE, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGE, BPF_REG_7, 0x7ffffff0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jsgt32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JSGT, BPF_REG_7, -1, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { (__u32)-2, }
+ },
+ { .retval = 0,
+ .data64 = { -1, }
+ },
+ { .retval = 2,
+ .data64 = { 1, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jsgt32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LD_IMM64(BPF_REG_8, 0x7ffffffe | 1ULL << 32),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_REG(BPF_JSGT, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 0,
+ .data64 = { 0x7ffffffe, }
+ },
+ { .retval = 0,
+ .data64 = { 0x1ffffffffULL, }
+ },
+ { .retval = 2,
+ .data64 = { 0x7fffffff, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jsgt32: min/max deduction",
+ .insns = {
+ BPF_RAND_SEXT_R7,
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_LD_IMM64(BPF_REG_8, (__u32)(-2) | 1ULL << 32),
+ BPF_JMP32_REG(BPF_JSGT, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, -2, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jsle32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JSLE, BPF_REG_7, -1, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { (__u32)-2, }
+ },
+ { .retval = 2,
+ .data64 = { -1, }
+ },
+ { .retval = 0,
+ .data64 = { 1, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jsle32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LD_IMM64(BPF_REG_8, 0x7ffffffe | 1ULL << 32),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_REG(BPF_JSLE, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { 0x7ffffffe, }
+ },
+ { .retval = 2,
+ .data64 = { (__u32)-1, }
+ },
+ { .retval = 0,
+ .data64 = { 0x7fffffff | 2ULL << 32, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jsle32: min/max deduction",
+ .insns = {
+ BPF_RAND_UEXT_R7,
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+ BPF_JMP32_REG(BPF_JSLE, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSLE, BPF_REG_7, 0x7ffffff0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jslt32: BPF_K",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_IMM(BPF_JSLT, BPF_REG_7, -1, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { (__u32)-2, }
+ },
+ { .retval = 0,
+ .data64 = { -1, }
+ },
+ { .retval = 0,
+ .data64 = { 1, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jslt32: BPF_X",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LD_IMM64(BPF_REG_8, 0x7fffffff | 1ULL << 32),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+ BPF_JMP32_REG(BPF_JSLT, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 3,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { 0x7ffffffe, }
+ },
+ { .retval = 2,
+ .data64 = { 0xffffffff, }
+ },
+ { .retval = 0,
+ .data64 = { 0x7fffffff | 2ULL << 32, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jslt32: min/max deduction",
+ .insns = {
+ BPF_RAND_SEXT_R7,
+ BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+ BPF_LD_IMM64(BPF_REG_8, (__u32)(-1) | 1ULL << 32),
+ BPF_JMP32_REG(BPF_JSLT, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP32_IMM(BPF_JSLT, BPF_REG_7, -1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
diff --git a/tools/testing/selftests/bpf/verifier/jset.c b/tools/testing/selftests/bpf/verifier/jset.c
new file mode 100644
index 000000000000..8dcd4e0383d5
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/jset.c
@@ -0,0 +1,167 @@
+{
+ "jset: functional",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+
+ /* reg, bit 63 or bit 0 set, taken */
+ BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
+ BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+ BPF_EXIT_INSN(),
+
+ /* reg, bit 62, not taken */
+ BPF_LD_IMM64(BPF_REG_8, 0x4000000000000000),
+ BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_EXIT_INSN(),
+
+ /* imm, any bit set, taken */
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_7, -1, 1),
+ BPF_EXIT_INSN(),
+
+ /* imm, bit 31 set, taken */
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
+ BPF_EXIT_INSN(),
+
+ /* all good - return r0 == 2 */
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .runs = 7,
+ .retvals = {
+ { .retval = 2,
+ .data64 = { (1ULL << 63) | (1U << 31) | (1U << 0), }
+ },
+ { .retval = 2,
+ .data64 = { (1ULL << 63) | (1U << 31), }
+ },
+ { .retval = 2,
+ .data64 = { (1ULL << 31) | (1U << 0), }
+ },
+ { .retval = 2,
+ .data64 = { (__u32)-1, }
+ },
+ { .retval = 2,
+ .data64 = { ~0x4000000000000000ULL, }
+ },
+ { .retval = 0,
+ .data64 = { 0, }
+ },
+ { .retval = 0,
+ .data64 = { ~0ULL, }
+ },
+ },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jset: sign-extend",
+ .insns = {
+ BPF_DIRECT_PKT_R2,
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
+ BPF_EXIT_INSN(),
+
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 2,
+ .data = { 1, 0, 0, 0, 0, 0, 0, 1, },
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "jset: known const compare",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .retval_unpriv = 1,
+ .result_unpriv = ACCEPT,
+ .retval = 1,
+ .result = ACCEPT,
+},
+{
+ "jset: known const compare bad",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .errstr_unpriv = "!read_ok",
+ .result_unpriv = REJECT,
+ .errstr = "!read_ok",
+ .result = REJECT,
+},
+{
+ "jset: unknown const compare taken",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .errstr_unpriv = "!read_ok",
+ .result_unpriv = REJECT,
+ .errstr = "!read_ok",
+ .result = REJECT,
+},
+{
+ "jset: unknown const compare not taken",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .errstr_unpriv = "!read_ok",
+ .result_unpriv = REJECT,
+ .errstr = "!read_ok",
+ .result = REJECT,
+},
+{
+ "jset: half-known const compare",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_ALU64_IMM(BPF_OR, BPF_REG_0, 2),
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .result_unpriv = ACCEPT,
+ .result = ACCEPT,
+},
+{
+ "jset: range",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xff),
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0xf0, 3),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 0x10, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0x10, 1),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0x10, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+ .result_unpriv = ACCEPT,
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/jump.c b/tools/testing/selftests/bpf/verifier/jump.c
new file mode 100644
index 000000000000..6f951d1ff0a4
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/jump.c
@@ -0,0 +1,375 @@
+{
+ "jump test 1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R1 pointer comparison",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "jump test 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 14),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 11),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 5),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R1 pointer comparison",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "jump test 3",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 19),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 3),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 15),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 3),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -32),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 11),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 3),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -40),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 7),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 3),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -48),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -56),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 24 },
+ .errstr_unpriv = "R1 pointer comparison",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = -ENOENT,
+},
+{
+ "jump test 4",
+ .insns = {
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R1 pointer comparison",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "jump test 5",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R1 pointer comparison",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "jump test 6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_IMM(BPF_REG_1, 2),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_0, BPF_REG_1, 16),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -20),
+ },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "jump test 7",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 2, 16),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -20),
+ },
+ .result = ACCEPT,
+ .retval = 3,
+},
+{
+ "jump test 8",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_IMM(BPF_REG_1, 2),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_0, BPF_REG_1, 16),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -20),
+ },
+ .result = ACCEPT,
+ .retval = 3,
+},
+{
+ "jump/call test 9",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 2, 16),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -20),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "jump out of range from insn 1 to 4",
+},
+{
+ "jump/call test 10",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 2, 16),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -20),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "last insn is not an exit or jmp",
+},
+{
+ "jump/call test 11",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 2, 26),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -31),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 3,
+},
diff --git a/tools/testing/selftests/bpf/verifier/junk_insn.c b/tools/testing/selftests/bpf/verifier/junk_insn.c
new file mode 100644
index 000000000000..89d690f1992a
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/junk_insn.c
@@ -0,0 +1,45 @@
+{
+ "junk insn",
+ .insns = {
+ BPF_RAW_INSN(0, 0, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "unknown opcode 00",
+ .result = REJECT,
+},
+{
+ "junk insn2",
+ .insns = {
+ BPF_RAW_INSN(1, 0, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "BPF_LDX uses reserved fields",
+ .result = REJECT,
+},
+{
+ "junk insn3",
+ .insns = {
+ BPF_RAW_INSN(-1, 0, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "unknown opcode ff",
+ .result = REJECT,
+},
+{
+ "junk insn4",
+ .insns = {
+ BPF_RAW_INSN(-1, -1, -1, -1, -1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "unknown opcode ff",
+ .result = REJECT,
+},
+{
+ "junk insn5",
+ .insns = {
+ BPF_RAW_INSN(0x7f, -1, -1, -1, -1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "BPF_ALU uses reserved fields",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ld_abs.c b/tools/testing/selftests/bpf/verifier/ld_abs.c
new file mode 100644
index 000000000000..f6599d2ec22d
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ld_abs.c
@@ -0,0 +1,286 @@
+{
+ "ld_abs: check calling conv, r1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_LD_ABS(BPF_W, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_abs: check calling conv, r2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_LD_ABS(BPF_W, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R2 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_abs: check calling conv, r3",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_LD_ABS(BPF_W, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R3 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_abs: check calling conv, r4",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_LD_ABS(BPF_W, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R4 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_abs: check calling conv, r5",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_LD_ABS(BPF_W, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R5 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_abs: check calling conv, r7",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_7, 0),
+ BPF_LD_ABS(BPF_W, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "ld_abs: tests on r6 and skb data reload helper",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_LD_ABS(BPF_B, 0),
+ BPF_LD_ABS(BPF_H, 0),
+ BPF_LD_ABS(BPF_W, 0),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_6, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_vlan_push),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+ BPF_LD_ABS(BPF_B, 0),
+ BPF_LD_ABS(BPF_H, 0),
+ BPF_LD_ABS(BPF_W, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 42 /* ultimate return value */,
+},
+{
+ "ld_abs: invalid op 1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_LD_ABS(BPF_DW, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "unknown opcode",
+},
+{
+ "ld_abs: invalid op 2",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_0, 256),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_LD_IND(BPF_DW, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "unknown opcode",
+},
+{
+ "ld_abs: nmap reduced",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_LD_ABS(BPF_H, 12),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 28),
+ BPF_LD_ABS(BPF_H, 12),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 26),
+ BPF_MOV32_IMM(BPF_REG_0, 18),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -64),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -64),
+ BPF_LD_IND(BPF_W, BPF_REG_7, 14),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -60),
+ BPF_MOV32_IMM(BPF_REG_0, 280971478),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -56),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -56),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -60),
+ BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_7),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 15),
+ BPF_LD_ABS(BPF_H, 12),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 13),
+ BPF_MOV32_IMM(BPF_REG_0, 22),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -56),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -56),
+ BPF_LD_IND(BPF_H, BPF_REG_7, 14),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -52),
+ BPF_MOV32_IMM(BPF_REG_0, 17366),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -48),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -48),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -52),
+ BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_7),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV32_IMM(BPF_REG_0, 256),
+ BPF_EXIT_INSN(),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .data = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0x06, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0x10, 0xbf, 0x48, 0xd6, 0x43, 0xd6,
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 256,
+},
+{
+ "ld_abs: div + abs, test 1",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+ BPF_LD_ABS(BPF_B, 3),
+ BPF_ALU64_IMM(BPF_MOV, BPF_REG_2, 2),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_8, BPF_REG_0),
+ BPF_LD_ABS(BPF_B, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0),
+ BPF_LD_IND(BPF_B, BPF_REG_8, -70),
+ BPF_EXIT_INSN(),
+ },
+ .data = {
+ 10, 20, 30, 40, 50,
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 10,
+},
+{
+ "ld_abs: div + abs, test 2",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+ BPF_LD_ABS(BPF_B, 3),
+ BPF_ALU64_IMM(BPF_MOV, BPF_REG_2, 2),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_8, BPF_REG_0),
+ BPF_LD_ABS(BPF_B, 128),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0),
+ BPF_LD_IND(BPF_B, BPF_REG_8, -70),
+ BPF_EXIT_INSN(),
+ },
+ .data = {
+ 10, 20, 30, 40, 50,
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "ld_abs: div + abs, test 3",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_MOV, BPF_REG_7, 0),
+ BPF_LD_ABS(BPF_B, 3),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_7),
+ BPF_EXIT_INSN(),
+ },
+ .data = {
+ 10, 20, 30, 40, 50,
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "ld_abs: div + abs, test 4",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_MOV, BPF_REG_7, 0),
+ BPF_LD_ABS(BPF_B, 256),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_7),
+ BPF_EXIT_INSN(),
+ },
+ .data = {
+ 10, 20, 30, 40, 50,
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "ld_abs: vlan + abs, test 1",
+ .insns = { },
+ .data = {
+ 0x34,
+ },
+ .fill_helper = bpf_fill_ld_abs_vlan_push_pop,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 0xbef,
+},
+{
+ "ld_abs: vlan + abs, test 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_LD_ABS(BPF_B, 0),
+ BPF_LD_ABS(BPF_H, 0),
+ BPF_LD_ABS(BPF_W, 0),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_6, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_skb_vlan_push),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+ BPF_LD_ABS(BPF_B, 0),
+ BPF_LD_ABS(BPF_H, 0),
+ BPF_LD_ABS(BPF_W, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .data = {
+ 0x34,
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "ld_abs: jump around ld_abs",
+ .insns = { },
+ .data = {
+ 10, 11,
+ },
+ .fill_helper = bpf_fill_jump_around_ld_abs,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 10,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ld_dw.c b/tools/testing/selftests/bpf/verifier/ld_dw.c
new file mode 100644
index 000000000000..0f18e62f0099
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ld_dw.c
@@ -0,0 +1,45 @@
+{
+ "ld_dw: xor semi-random 64 bit imms, test 1",
+ .insns = { },
+ .data = { },
+ .fill_helper = bpf_fill_rand_ld_dw,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 4090,
+},
+{
+ "ld_dw: xor semi-random 64 bit imms, test 2",
+ .insns = { },
+ .data = { },
+ .fill_helper = bpf_fill_rand_ld_dw,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 2047,
+},
+{
+ "ld_dw: xor semi-random 64 bit imms, test 3",
+ .insns = { },
+ .data = { },
+ .fill_helper = bpf_fill_rand_ld_dw,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 511,
+},
+{
+ "ld_dw: xor semi-random 64 bit imms, test 4",
+ .insns = { },
+ .data = { },
+ .fill_helper = bpf_fill_rand_ld_dw,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 5,
+},
+{
+ "ld_dw: xor semi-random 64 bit imms, test 5",
+ .insns = { },
+ .data = { },
+ .fill_helper = bpf_fill_rand_ld_dw,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1000000 - 6,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ld_imm64.c b/tools/testing/selftests/bpf/verifier/ld_imm64.c
new file mode 100644
index 000000000000..3856dba733e9
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ld_imm64.c
@@ -0,0 +1,154 @@
+{
+ "test1 ld_imm64",
+ .insns = {
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_LD_IMM64(BPF_REG_0, 0),
+ BPF_LD_IMM64(BPF_REG_0, 0),
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid BPF_LD_IMM insn",
+ .errstr_unpriv = "R1 pointer comparison",
+ .result = REJECT,
+},
+{
+ "test2 ld_imm64",
+ .insns = {
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_LD_IMM64(BPF_REG_0, 0),
+ BPF_LD_IMM64(BPF_REG_0, 0),
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid BPF_LD_IMM insn",
+ .errstr_unpriv = "R1 pointer comparison",
+ .result = REJECT,
+},
+{
+ "test3 ld_imm64",
+ .insns = {
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+ BPF_LD_IMM64(BPF_REG_0, 0),
+ BPF_LD_IMM64(BPF_REG_0, 0),
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_LD_IMM64(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_ld_imm64 insn",
+ .result = REJECT,
+},
+{
+ "test4 ld_imm64",
+ .insns = {
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_ld_imm64 insn",
+ .result = REJECT,
+},
+{
+ "test5 ld_imm64",
+ .insns = {
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+ },
+ .errstr = "invalid bpf_ld_imm64 insn",
+ .result = REJECT,
+},
+{
+ "test6 ld_imm64",
+ .insns = {
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+ BPF_RAW_INSN(0, 0, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "test7 ld_imm64",
+ .insns = {
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+ BPF_RAW_INSN(0, 0, 0, 0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "test8 ld_imm64",
+ .insns = {
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 1, 1),
+ BPF_RAW_INSN(0, 0, 0, 0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "uses reserved fields",
+ .result = REJECT,
+},
+{
+ "test9 ld_imm64",
+ .insns = {
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+ BPF_RAW_INSN(0, 0, 0, 1, 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_ld_imm64 insn",
+ .result = REJECT,
+},
+{
+ "test10 ld_imm64",
+ .insns = {
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+ BPF_RAW_INSN(0, BPF_REG_1, 0, 0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_ld_imm64 insn",
+ .result = REJECT,
+},
+{
+ "test11 ld_imm64",
+ .insns = {
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+ BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_ld_imm64 insn",
+ .result = REJECT,
+},
+{
+ "test12 ld_imm64",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1),
+ BPF_RAW_INSN(0, 0, 0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "not pointing to valid bpf_map",
+ .result = REJECT,
+},
+{
+ "test13 ld_imm64",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1),
+ BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid bpf_ld_imm64 insn",
+ .result = REJECT,
+},
+{
+ "test14 ld_imm64: reject 2nd imm != 0",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_1,
+ BPF_PSEUDO_MAP_FD, 0, 0),
+ BPF_RAW_INSN(0, 0, 0, 0, 0xfefefe),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 1 },
+ .errstr = "unrecognized bpf_ld_imm64 insn",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ld_ind.c b/tools/testing/selftests/bpf/verifier/ld_ind.c
new file mode 100644
index 000000000000..079734227538
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ld_ind.c
@@ -0,0 +1,72 @@
+{
+ "ld_ind: check calling conv, r1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_LD_IND(BPF_W, BPF_REG_1, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_ind: check calling conv, r2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_LD_IND(BPF_W, BPF_REG_2, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R2 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_ind: check calling conv, r3",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_3, 1),
+ BPF_LD_IND(BPF_W, BPF_REG_3, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R3 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_ind: check calling conv, r4",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_4, 1),
+ BPF_LD_IND(BPF_W, BPF_REG_4, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R4 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_ind: check calling conv, r5",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_5, 1),
+ BPF_LD_IND(BPF_W, BPF_REG_5, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R5 !read_ok",
+ .result = REJECT,
+},
+{
+ "ld_ind: check calling conv, r7",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_7, 1),
+ BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/leak_ptr.c b/tools/testing/selftests/bpf/verifier/leak_ptr.c
new file mode 100644
index 000000000000..d6eec17f2cd2
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/leak_ptr.c
@@ -0,0 +1,67 @@
+{
+ "leak pointer into ctx 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_2,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 2 },
+ .errstr_unpriv = "R2 leaks addr into mem",
+ .result_unpriv = REJECT,
+ .result = REJECT,
+ .errstr = "BPF_XADD stores into R1 ctx is not allowed",
+},
+{
+ "leak pointer into ctx 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_10,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R10 leaks addr into mem",
+ .result_unpriv = REJECT,
+ .result = REJECT,
+ .errstr = "BPF_XADD stores into R1 ctx is not allowed",
+},
+{
+ "leak pointer into ctx 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2,
+ offsetof(struct __sk_buff, cb[0])),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 1 },
+ .errstr_unpriv = "R2 leaks addr into ctx",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "leak pointer into map val",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+ BPF_STX_XADD(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .errstr_unpriv = "R6 leaks addr into mem",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/loops1.c b/tools/testing/selftests/bpf/verifier/loops1.c
new file mode 100644
index 000000000000..5e980a5ab69d
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/loops1.c
@@ -0,0 +1,161 @@
+{
+ "bounded loop, count to 4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .retval = 4,
+},
+{
+ "bounded loop, count to 20",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 20, -2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "bounded loop, count from positive unknown to 4",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_JMP_IMM(BPF_JSLT, BPF_REG_0, 0, 2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .retval = 4,
+},
+{
+ "bounded loop, count from totally unknown to 4",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "bounded loop, count to 4 with equality",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 4, -2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "bounded loop, start in the middle",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_A(1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "back-edge",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .retval = 4,
+},
+{
+ "bounded loop containing a forward jump",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -3),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+ .retval = 4,
+},
+{
+ "bounded loop that jumps out rather than in",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_6, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_6, 10000, 2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_JMP_A(-4),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "infinite loop after a conditional jump",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 5),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, 2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_JMP_A(-2),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "program is too large",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "bounded recursion",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 4, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -5),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "back-edge",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "infinite loop in two jumps",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_A(0),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "loop detected",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "infinite loop: three-jump trick",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 2, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 2, 1),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 2, -11),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "loop detected",
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/lwt.c b/tools/testing/selftests/bpf/verifier/lwt.c
new file mode 100644
index 000000000000..2cab6a3966bb
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/lwt.c
@@ -0,0 +1,189 @@
+{
+ "invalid direct packet write for LWT_IN",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "cannot write into packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+ "invalid direct packet write for LWT_OUT",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "cannot write into packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_LWT_OUT,
+},
+{
+ "direct packet write for LWT_XMIT",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_LWT_XMIT,
+},
+{
+ "direct packet read for LWT_IN",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+ "direct packet read for LWT_OUT",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_LWT_OUT,
+},
+{
+ "direct packet read for LWT_XMIT",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_LWT_XMIT,
+},
+{
+ "overlapping checks for direct packet access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_LWT_XMIT,
+},
+{
+ "make headroom for LWT_XMIT",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_2, 34),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_skb_change_head),
+ /* split for s390 to succeed */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_2, 42),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_EMIT_CALL(BPF_FUNC_skb_change_head),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_LWT_XMIT,
+},
+{
+ "invalid access of tc_classid for LWT_IN",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_classid)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid bpf_context access",
+},
+{
+ "invalid access of tc_classid for LWT_OUT",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_classid)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid bpf_context access",
+},
+{
+ "invalid access of tc_classid for LWT_XMIT",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_classid)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid bpf_context access",
+},
+{
+ "check skb->tc_classid half load not permitted for lwt prog",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_classid)),
+#else
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, tc_classid) + 2),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid bpf_context access",
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
diff --git a/tools/testing/selftests/bpf/verifier/map_in_map.c b/tools/testing/selftests/bpf/verifier/map_in_map.c
new file mode 100644
index 000000000000..2798927ee9ff
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/map_in_map.c
@@ -0,0 +1,62 @@
+{
+ "map in map access",
+ .insns = {
+ BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_in_map = { 3 },
+ .result = ACCEPT,
+},
+{
+ "invalid inner map pointer",
+ .insns = {
+ BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_in_map = { 3 },
+ .errstr = "R1 pointer arithmetic on map_ptr prohibited",
+ .result = REJECT,
+},
+{
+ "forgot null checking on the inner map pointer",
+ .insns = {
+ BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_in_map = { 3 },
+ .errstr = "R1 type=map_value_or_null expected=map_ptr",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/map_ptr_mixing.c b/tools/testing/selftests/bpf/verifier/map_ptr_mixing.c
new file mode 100644
index 000000000000..cd26ee6b7b1d
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/map_ptr_mixing.c
@@ -0,0 +1,100 @@
+{
+ "calls: two calls returning different map pointers for lookup (hash, array)",
+ .insns = {
+ /* main prog */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_CALL_REL(11),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_CALL_REL(12),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ /* subprog 1 */
+ BPF_LD_MAP_FD(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ /* subprog 2 */
+ BPF_LD_MAP_FD(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_hash_48b = { 13 },
+ .fixup_map_array_48b = { 16 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "calls: two calls returning different map pointers for lookup (hash, map in map)",
+ .insns = {
+ /* main prog */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_CALL_REL(11),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_CALL_REL(12),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ /* subprog 1 */
+ BPF_LD_MAP_FD(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ /* subprog 2 */
+ BPF_LD_MAP_FD(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .fixup_map_in_map = { 16 },
+ .fixup_map_array_48b = { 13 },
+ .result = REJECT,
+ .errstr = "R0 invalid mem access 'map_ptr'",
+},
+{
+ "cond: two branches returning different map pointers for lookup (tail, tail)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 3),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 5 },
+ .fixup_prog2 = { 2 },
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "tail_call abusing map_ptr",
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "cond: two branches returning same map pointers for lookup (tail, tail)",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 3),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog2 = { 2, 5 },
+ .result_unpriv = ACCEPT,
+ .result = ACCEPT,
+ .retval = 42,
+},
diff --git a/tools/testing/selftests/bpf/verifier/map_ret_val.c b/tools/testing/selftests/bpf/verifier/map_ret_val.c
new file mode 100644
index 000000000000..bdd0e8d18333
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/map_ret_val.c
@@ -0,0 +1,65 @@
+{
+ "invalid map_fd for function call",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "fd 0 is not pointing to valid bpf_map",
+ .result = REJECT,
+},
+{
+ "don't check return value before access",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "R0 invalid mem access 'map_value_or_null'",
+ .result = REJECT,
+},
+{
+ "access memory with incorrect alignment",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 4, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "misaligned value access",
+ .result = REJECT,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+ "sometimes access memory with incorrect alignment",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "R0 invalid mem access",
+ .errstr_unpriv = "R0 leaks addr",
+ .result = REJECT,
+ .flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/masking.c b/tools/testing/selftests/bpf/verifier/masking.c
new file mode 100644
index 000000000000..6e1358c544fd
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/masking.c
@@ -0,0 +1,322 @@
+{
+ "masking, test out of bounds 1",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 5),
+ BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 2",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 1),
+ BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 3",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
+ BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 4",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
+ BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 5",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, -1),
+ BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 6",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, -1),
+ BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 7",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 5),
+ BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 8",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 9",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
+ BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 10",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
+ BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 11",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, -1),
+ BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test out of bounds 12",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, -1),
+ BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test in bounds 1",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 4),
+ BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 4,
+},
+{
+ "masking, test in bounds 2",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test in bounds 3",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0xfffffffe),
+ BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0xfffffffe,
+},
+{
+ "masking, test in bounds 4",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0xabcde),
+ BPF_MOV32_IMM(BPF_REG_2, 0xabcdef - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0xabcde,
+},
+{
+ "masking, test in bounds 5",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "masking, test in bounds 6",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_1, 46),
+ BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 46,
+},
+{
+ "masking, test in bounds 7",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, -46),
+ BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
+ BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 46,
+},
+{
+ "masking, test in bounds 8",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, -47),
+ BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
+ BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+ BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
diff --git a/tools/testing/selftests/bpf/verifier/meta_access.c b/tools/testing/selftests/bpf/verifier/meta_access.c
new file mode 100644
index 000000000000..205292b8dd65
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/meta_access.c
@@ -0,0 +1,235 @@
+{
+ "meta access, test1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 8),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet, off=-8",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test3",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test4",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test5",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_4, 3),
+ BPF_MOV64_IMM(BPF_REG_2, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_xdp_adjust_meta),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R3 !read_ok",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test6",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_0, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test7",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test8",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test9",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test10",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_IMM(BPF_REG_5, 42),
+ BPF_MOV64_IMM(BPF_REG_6, 24),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8),
+ BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_5),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_5, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid access to packet",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test11",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_IMM(BPF_REG_5, 42),
+ BPF_MOV64_IMM(BPF_REG_6, 24),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8),
+ BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_5),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_5, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "meta access, test12",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 5),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
diff --git a/tools/testing/selftests/bpf/verifier/perf_event_sample_period.c b/tools/testing/selftests/bpf/verifier/perf_event_sample_period.c
new file mode 100644
index 000000000000..471c1a5950d8
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/perf_event_sample_period.c
@@ -0,0 +1,59 @@
+{
+ "check bpf_perf_event_data->sample_period byte load permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_perf_event_data, sample_period)),
+#else
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_perf_event_data, sample_period) + 7),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+ "check bpf_perf_event_data->sample_period half load permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_perf_event_data, sample_period)),
+#else
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_perf_event_data, sample_period) + 6),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+ "check bpf_perf_event_data->sample_period word load permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_perf_event_data, sample_period)),
+#else
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_perf_event_data, sample_period) + 4),
+#endif
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+ "check bpf_perf_event_data->sample_period dword load permitted",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+ offsetof(struct bpf_perf_event_data, sample_period)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
new file mode 100644
index 000000000000..da7a4b37cb98
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
@@ -0,0 +1,59 @@
+{
+ "prevent map lookup in sockmap",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 3 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 15 into func bpf_map_lookup_elem",
+ .prog_type = BPF_PROG_TYPE_SOCK_OPS,
+},
+{
+ "prevent map lookup in sockhash",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockhash = { 3 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 18 into func bpf_map_lookup_elem",
+ .prog_type = BPF_PROG_TYPE_SOCK_OPS,
+},
+{
+ "prevent map lookup in stack trace",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_stacktrace = { 3 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 7 into func bpf_map_lookup_elem",
+ .prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+ "prevent map lookup in prog array",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog2 = { 3 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 3 into func bpf_map_lookup_elem",
+},
diff --git a/tools/testing/selftests/bpf/verifier/raw_stack.c b/tools/testing/selftests/bpf/verifier/raw_stack.c
new file mode 100644
index 000000000000..193d9e87d5a9
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/raw_stack.c
@@ -0,0 +1,305 @@
+{
+ "raw_stack: no skb_load_bytes",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ /* Call to skb_load_bytes() omitted. */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid read from stack off -8+0 size 8",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, negative len",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R4 min value is negative",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, negative len 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, ~0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R4 min value is negative",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, zero len",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack type R3",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, no init",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, init",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_6, 0, 0xcafe),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, spilled regs around bounds",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+ offsetof(struct __sk_buff, mark)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2,
+ offsetof(struct __sk_buff, priority)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, spilled regs corruption",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R0 invalid mem access 'inv'",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "raw_stack: skb_load_bytes, spilled regs corruption 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+ offsetof(struct __sk_buff, mark)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2,
+ offsetof(struct __sk_buff, priority)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_3,
+ offsetof(struct __sk_buff, pkt_type)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R3 invalid mem access 'inv'",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "raw_stack: skb_load_bytes, spilled regs + data",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+ offsetof(struct __sk_buff, mark)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2,
+ offsetof(struct __sk_buff, priority)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, invalid access 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -513),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack type R3 off=-513 access_size=8",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, invalid access 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack type R3 off=-1 access_size=8",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, invalid access 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 0xffffffff),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 0xffffffff),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R4 min value is negative",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, invalid access 4",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R4 unbounded memory access, use 'var &= const' or 'if (var < const)'",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, invalid access 5",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R4 unbounded memory access, use 'var &= const' or 'if (var < const)'",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, invalid access 6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack type R3 off=-512 access_size=0",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "raw_stack: skb_load_bytes, large access",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_MOV64_IMM(BPF_REG_4, 512),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/raw_tp_writable.c b/tools/testing/selftests/bpf/verifier/raw_tp_writable.c
new file mode 100644
index 000000000000..95b5d70a1dc1
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/raw_tp_writable.c
@@ -0,0 +1,34 @@
+{
+ "raw_tracepoint_writable: reject variable offset",
+ .insns = {
+ /* r6 is our tp buffer */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ /* move the key (== 0) to r10-8 */
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+ /* lookup in the map */
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+
+ /* exit clean if null */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+
+ /* shift the buffer pointer to a variable location */
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_0),
+ /* clobber whatever's there */
+ BPF_MOV64_IMM(BPF_REG_7, 4242),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_7, 0),
+
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 1, },
+ .prog_type = BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE,
+ .errstr = "R6 invalid variable buffer offset: off=0, var_off=(0x0; 0xffffffff)",
+},
diff --git a/tools/testing/selftests/bpf/verifier/ref_tracking.c b/tools/testing/selftests/bpf/verifier/ref_tracking.c
new file mode 100644
index 000000000000..ebcbf154c460
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ref_tracking.c
@@ -0,0 +1,823 @@
+{
+ "reference tracking: leak potential reference",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), /* leak reference */
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
+{
+ "reference tracking: leak potential reference to sock_common",
+ .insns = {
+ BPF_SK_LOOKUP(skc_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), /* leak reference */
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
+{
+ "reference tracking: leak potential reference on stack",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
+{
+ "reference tracking: leak potential reference on stack 2",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
+{
+ "reference tracking: zero potential reference",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_IMM(BPF_REG_0, 0), /* leak reference */
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
+{
+ "reference tracking: zero potential reference to sock_common",
+ .insns = {
+ BPF_SK_LOOKUP(skc_lookup_tcp),
+ BPF_MOV64_IMM(BPF_REG_0, 0), /* leak reference */
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
+{
+ "reference tracking: copy and zero potential references",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_7, 0), /* leak reference */
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
+{
+ "reference tracking: release reference without check",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ /* reference in r0 may be NULL */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "type=sock_or_null expected=sock",
+ .result = REJECT,
+},
+{
+ "reference tracking: release reference to sock_common without check",
+ .insns = {
+ BPF_SK_LOOKUP(skc_lookup_tcp),
+ /* reference in r0 may be NULL */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "type=sock_common_or_null expected=sock",
+ .result = REJECT,
+},
+{
+ "reference tracking: release reference",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: release reference to sock_common",
+ .insns = {
+ BPF_SK_LOOKUP(skc_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: release reference 2",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: release reference twice",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "type=inv expected=sock",
+ .result = REJECT,
+},
+{
+ "reference tracking: release reference twice inside branch",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3), /* goto end */
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "type=inv expected=sock",
+ .result = REJECT,
+},
+{
+ "reference tracking: alloc, check, free in one subbranch",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 16),
+ /* if (offsetof(skb, mark) > data_len) exit; */
+ BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_2,
+ offsetof(struct __sk_buff, mark)),
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 1), /* mark == 0? */
+ /* Leak reference in R0 */
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), /* sk NULL? */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "reference tracking: alloc, check, free in both subbranches",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 16),
+ /* if (offsetof(skb, mark) > data_len) exit; */
+ BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_2,
+ offsetof(struct __sk_buff, mark)),
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 4), /* mark == 0? */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), /* sk NULL? */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), /* sk NULL? */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "reference tracking in call: free reference in subprog",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), /* unchecked reference */
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking in call: free reference in subprog and outside",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), /* unchecked reference */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "type=inv expected=sock",
+ .result = REJECT,
+},
+{
+ "reference tracking in call: alloc & leak reference in subprog",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_4),
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ /* spill unchecked sk_ptr into stack of caller */
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
+{
+ "reference tracking in call: alloc in subprog, release outside",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_EXIT_INSN(), /* return sk */
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = POINTER_VALUE,
+ .result = ACCEPT,
+},
+{
+ "reference tracking in call: sk_ptr leak into caller stack",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+ /* spill unchecked sk_ptr into stack of caller */
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_5, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
+{
+ "reference tracking in call: sk_ptr spill into caller stack",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+
+ /* subprog 1 */
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+ /* spill unchecked sk_ptr into stack of caller */
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_5, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ /* now the sk_ptr is verified, free the reference */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_4, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+
+ /* subprog 2 */
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: allow LD_ABS",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_LD_ABS(BPF_B, 0),
+ BPF_LD_ABS(BPF_H, 0),
+ BPF_LD_ABS(BPF_W, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: forbid LD_ABS while holding reference",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_LD_ABS(BPF_B, 0),
+ BPF_LD_ABS(BPF_H, 0),
+ BPF_LD_ABS(BPF_W, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "BPF_LD_[ABS|IND] cannot be mixed with socket references",
+ .result = REJECT,
+},
+{
+ "reference tracking: allow LD_IND",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_MOV64_IMM(BPF_REG_7, 1),
+ BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "reference tracking: forbid LD_IND while holding reference",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_7, 1),
+ BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_4),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "BPF_LD_[ABS|IND] cannot be mixed with socket references",
+ .result = REJECT,
+},
+{
+ "reference tracking: check reference or tail call",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ /* if (sk) bpf_sk_release() */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 7),
+ /* bpf_tail_call() */
+ BPF_MOV64_IMM(BPF_REG_3, 2),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 17 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: release reference then tail call",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ /* if (sk) bpf_sk_release() */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ /* bpf_tail_call() */
+ BPF_MOV64_IMM(BPF_REG_3, 2),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 18 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: leak possible reference over tail call",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
+ /* Look up socket and store in REG_6 */
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ /* bpf_tail_call() */
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, 2),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ /* if (sk) bpf_sk_release() */
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 16 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "tail_call would lead to reference leak",
+ .result = REJECT,
+},
+{
+ "reference tracking: leak checked reference over tail call",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
+ /* Look up socket and store in REG_6 */
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ /* if (!sk) goto end */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ /* bpf_tail_call() */
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 17 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "tail_call would lead to reference leak",
+ .result = REJECT,
+},
+{
+ "reference tracking: mangle and release sock_or_null",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 5),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "R1 pointer arithmetic on sock_or_null prohibited",
+ .result = REJECT,
+},
+{
+ "reference tracking: mangle and release sock",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 5),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "R1 pointer arithmetic on sock prohibited",
+ .result = REJECT,
+},
+{
+ "reference tracking: access member",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: write to member",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_LD_IMM64(BPF_REG_2, 42),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_2,
+ offsetof(struct bpf_sock, mark)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_LD_IMM64(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "cannot write into sock",
+ .result = REJECT,
+},
+{
+ "reference tracking: invalid 64-bit access of member",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "invalid sock access off=0 size=8",
+ .result = REJECT,
+},
+{
+ "reference tracking: access after release",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "!read_ok",
+ .result = REJECT,
+},
+{
+ "reference tracking: direct access for lookup",
+ .insns = {
+ /* Check that the packet is at least 64B long */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 64),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 9),
+ /* sk = sk_lookup_tcp(ctx, skb->data, ...) */
+ BPF_MOV64_IMM(BPF_REG_3, sizeof(struct bpf_sock_tuple)),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_0, 4),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: use ptr from bpf_tcp_sock() after release",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_7, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "invalid mem access",
+},
+{
+ "reference tracking: use ptr from bpf_sk_fullsock() after release",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_7, offsetof(struct bpf_sock, type)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "invalid mem access",
+},
+{
+ "reference tracking: use ptr from bpf_sk_fullsock(tp) after release",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, type)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "invalid mem access",
+},
+{
+ "reference tracking: use sk after bpf_sk_release(tp)",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, type)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "invalid mem access",
+},
+{
+ "reference tracking: use ptr from bpf_get_listener_sock() after bpf_sk_release(sk)",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_get_listener_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, src_port)),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: bpf_sk_release(listen_sk)",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_get_listener_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, type)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "reference has not been acquired before",
+},
+{
+ /* !bpf_sk_fullsock(sk) is checked but !bpf_tcp_sock(sk) is not checked */
+ "reference tracking: tp->snd_cwnd after bpf_sk_fullsock(sk) and bpf_tcp_sock(sk)",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_8, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "invalid mem access",
+},
diff --git a/tools/testing/selftests/bpf/verifier/runtime_jit.c b/tools/testing/selftests/bpf/verifier/runtime_jit.c
new file mode 100644
index 000000000000..a9a8f620e71c
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/runtime_jit.c
@@ -0,0 +1,80 @@
+{
+ "runtime/jit: tail_call within bounds, prog once",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 1 },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "runtime/jit: tail_call within bounds, prog loop",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, 1),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 1 },
+ .result = ACCEPT,
+ .retval = 41,
+},
+{
+ "runtime/jit: tail_call within bounds, no prog",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, 2),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 1 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "runtime/jit: tail_call out of bounds",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, 256),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 1 },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "runtime/jit: pass negative index to tail_call",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, -1),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 1 },
+ .result = ACCEPT,
+ .retval = 2,
+},
+{
+ "runtime/jit: pass > 32bit index to tail_call",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_3, 0x100000000ULL),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 2 },
+ .result = ACCEPT,
+ .retval = 42,
+ /* Verifier rewrite for unpriv skips tail call here. */
+ .retval_unpriv = 2,
+},
diff --git a/tools/testing/selftests/bpf/verifier/scale.c b/tools/testing/selftests/bpf/verifier/scale.c
new file mode 100644
index 000000000000..7f868d4802e0
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/scale.c
@@ -0,0 +1,18 @@
+{
+ "scale: scale test 1",
+ .insns = { },
+ .data = { },
+ .fill_helper = bpf_fill_scale,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "scale: scale test 2",
+ .insns = { },
+ .data = { },
+ .fill_helper = bpf_fill_scale,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .retval = 2,
+},
diff --git a/tools/testing/selftests/bpf/verifier/search_pruning.c b/tools/testing/selftests/bpf/verifier/search_pruning.c
new file mode 100644
index 000000000000..7e50cb80873a
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/search_pruning.c
@@ -0,0 +1,156 @@
+{
+ "pointer/scalar confusion in state equality check (way 1)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_JMP_A(1),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+ BPF_JMP_A(0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+ .retval = POINTER_VALUE,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 leaks addr as return value"
+},
+{
+ "pointer/scalar confusion in state equality check (way 2)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+ BPF_JMP_A(1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = ACCEPT,
+ .retval = POINTER_VALUE,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 leaks addr as return value"
+},
+{
+ "liveness pruning and write screening",
+ .insns = {
+ /* Get an unknown value */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ /* branch conditions teach us nothing about R2 */
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R0 !read_ok",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+ "varlen_map_value_access pruning",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES),
+ BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1),
+ BPF_MOV32_IMM(BPF_REG_1, 0),
+ BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .errstr = "R0 unbounded memory access",
+ .result_unpriv = REJECT,
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "search pruning: all branches should be verified (nop operation)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_3, 0xbeef, 2),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_A(1),
+ BPF_MOV64_IMM(BPF_REG_4, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -16),
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -16),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_5, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_6, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_6, 0, 0xdead),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "R6 invalid mem access 'inv'",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "search pruning: all branches should be verified (invalid stack access)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_3, 0xbeef, 2),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -16),
+ BPF_JMP_A(1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -24),
+ BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -16),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "invalid read from stack off -16+0 size 8",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "allocated_stack",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_7, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, -8),
+ BPF_STX_MEM(BPF_B, BPF_REG_10, BPF_REG_7, -9),
+ BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_10, -9),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .result_unpriv = ACCEPT,
+ .insn_processed = 15,
+},
diff --git a/tools/testing/selftests/bpf/verifier/sock.c b/tools/testing/selftests/bpf/verifier/sock.c
new file mode 100644
index 000000000000..9ed192e14f5f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/sock.c
@@ -0,0 +1,518 @@
+{
+ "skb->sk: no NULL check",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = REJECT,
+ .errstr = "invalid mem access 'sock_common_or_null'",
+},
+{
+ "skb->sk: sk->family [non fullsock field]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, offsetof(struct bpf_sock, family)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "skb->sk: sk->type [fullsock field]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, offsetof(struct bpf_sock, type)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = REJECT,
+ .errstr = "invalid sock_common access",
+},
+{
+ "bpf_sk_fullsock(skb->sk): no !skb->sk check",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = REJECT,
+ .errstr = "type=sock_common_or_null expected=sock_common",
+},
+{
+ "sk_fullsock(skb->sk): no NULL check on ret",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = REJECT,
+ .errstr = "invalid mem access 'sock_or_null'",
+},
+{
+ "sk_fullsock(skb->sk): sk->type [fullsock field]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "sk_fullsock(skb->sk): sk->family [non fullsock field]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, family)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "sk_fullsock(skb->sk): sk->state [narrow load]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, state)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "sk_fullsock(skb->sk): sk->dst_port [narrow load]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, dst_port)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "sk_fullsock(skb->sk): sk->dst_port [load 2nd byte]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, dst_port) + 1),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = REJECT,
+ .errstr = "invalid sock access",
+},
+{
+ "sk_fullsock(skb->sk): sk->dst_ip6 [load 2nd byte]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, dst_ip6[0]) + 1),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "sk_fullsock(skb->sk): sk->type [narrow load]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "sk_fullsock(skb->sk): sk->protocol [narrow load]",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, protocol)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "sk_fullsock(skb->sk): beyond last field",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetofend(struct bpf_sock, state)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = REJECT,
+ .errstr = "invalid sock access",
+},
+{
+ "bpf_tcp_sock(skb->sk): no !skb->sk check",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = REJECT,
+ .errstr = "type=sock_common_or_null expected=sock_common",
+},
+{
+ "bpf_tcp_sock(skb->sk): no NULL check on ret",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = REJECT,
+ .errstr = "invalid mem access 'tcp_sock_or_null'",
+},
+{
+ "bpf_tcp_sock(skb->sk): tp->snd_cwnd",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "bpf_tcp_sock(skb->sk): tp->bytes_acked",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_tcp_sock, bytes_acked)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "bpf_tcp_sock(skb->sk): beyond last field",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, offsetofend(struct bpf_tcp_sock, bytes_acked)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = REJECT,
+ .errstr = "invalid tcp_sock access",
+},
+{
+ "bpf_tcp_sock(bpf_sk_fullsock(skb->sk)): tp->snd_cwnd",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .result = ACCEPT,
+},
+{
+ "bpf_sk_release(skb->sk)",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "reference has not been acquired before",
+},
+{
+ "bpf_sk_release(bpf_sk_fullsock(skb->sk))",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "reference has not been acquired before",
+},
+{
+ "bpf_sk_release(bpf_tcp_sock(skb->sk))",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "reference has not been acquired before",
+},
+{
+ "sk_storage_get(map, skb->sk, NULL, 0): value == NULL",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_storage_get),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_sk_storage_map = { 11 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "sk_storage_get(map, skb->sk, 1, 1): value == 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_4, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 1),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_storage_get),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_sk_storage_map = { 11 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "R3 type=inv expected=fp",
+},
+{
+ "sk_storage_get(map, skb->sk, &stack_value, 1): stack_value",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_4, 1),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_storage_get),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_sk_storage_map = { 14 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "sk_storage_get(map, skb->sk, &stack_value, 1): partially init stack_value",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_2, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_4, 1),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_storage_get),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_sk_storage_map = { 14 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "invalid indirect read from stack",
+},
+{
+ "bpf_map_lookup_elem(smap, &key)",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_sk_storage_map = { 3 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = REJECT,
+ .errstr = "cannot pass map_type 24 into func bpf_map_lookup_elem",
+},
+{
+ "bpf_map_lookup_elem(xskmap, &key); xs->queue_id",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_xdp_sock, queue_id)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_xskmap = { 3 },
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/spill_fill.c b/tools/testing/selftests/bpf/verifier/spill_fill.c
new file mode 100644
index 000000000000..45d43bf82f26
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/spill_fill.c
@@ -0,0 +1,76 @@
+{
+ "check valid spill/fill",
+ .insns = {
+ /* spill R1(ctx) into stack */
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ /* fill it back into R2 */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8),
+ /* should be able to access R0 = *(R2 + 8) */
+ /* BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 8), */
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R0 leaks addr",
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .retval = POINTER_VALUE,
+},
+{
+ "check valid spill/fill, skb mark",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .result_unpriv = ACCEPT,
+},
+{
+ "check corrupted spill/fill",
+ .insns = {
+ /* spill R1(ctx) into stack */
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ /* mess up with R1 pointer on stack */
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -7, 0x23),
+ /* fill back into R0 is fine for priv.
+ * R0 now becomes SCALAR_VALUE.
+ */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ /* Load from R0 should fail. */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "attempt to corrupt spilled",
+ .errstr = "R0 invalid mem access 'inv",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "check corrupted spill/fill, LSB",
+ .insns = {
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_ST_MEM(BPF_H, BPF_REG_10, -8, 0xcafe),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "attempt to corrupt spilled",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = POINTER_VALUE,
+},
+{
+ "check corrupted spill/fill, MSB",
+ .insns = {
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0x12345678),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "attempt to corrupt spilled",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = POINTER_VALUE,
+},
diff --git a/tools/testing/selftests/bpf/verifier/spin_lock.c b/tools/testing/selftests/bpf/verifier/spin_lock.c
new file mode 100644
index 000000000000..781621facae4
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/spin_lock.c
@@ -0,0 +1,333 @@
+{
+ "spin_lock: test1 success",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "spin_lock: test2 direct ld/st",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3 },
+ .result = REJECT,
+ .errstr = "cannot be accessed directly",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "spin_lock: test3 direct ld/st",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3 },
+ .result = REJECT,
+ .errstr = "cannot be accessed directly",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "spin_lock: test4 direct ld/st",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_6, 3),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3 },
+ .result = REJECT,
+ .errstr = "cannot be accessed directly",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "spin_lock: test5 call within a locked region",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3 },
+ .result = REJECT,
+ .errstr = "calls are not allowed",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "spin_lock: test6 missing unlock",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3 },
+ .result = REJECT,
+ .errstr = "unlock is missing",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "spin_lock: test7 unlock without lock",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3 },
+ .result = REJECT,
+ .errstr = "without taking a lock",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "spin_lock: test8 double lock",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3 },
+ .result = REJECT,
+ .errstr = "calls are not allowed",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "spin_lock: test9 different lock",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3, 11 },
+ .result = REJECT,
+ .errstr = "unlock of different lock",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "spin_lock: test10 lock in subprog without unlock",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 3 },
+ .result = REJECT,
+ .errstr = "unlock is missing",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "",
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "spin_lock: test11 ld_abs under lock",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1,
+ 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+ BPF_LD_ABS(BPF_B, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_spin_lock = { 4 },
+ .result = REJECT,
+ .errstr = "inside bpf_spin_lock",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/stack_ptr.c b/tools/testing/selftests/bpf/verifier/stack_ptr.c
new file mode 100644
index 000000000000..7276620ef242
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/stack_ptr.c
@@ -0,0 +1,317 @@
+{
+ "PTR_TO_STACK store/load",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0xfaceb00c,
+},
+{
+ "PTR_TO_STACK store/load - bad alignment on off",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "misaligned stack access off (0x0; 0x0)+-8+2 size 8",
+},
+{
+ "PTR_TO_STACK store/load - bad alignment on reg",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "misaligned stack access off (0x0; 0x0)+-10+8 size 8",
+},
+{
+ "PTR_TO_STACK store/load - out of bounds low",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -80000),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack off=-79992 size=8",
+ .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+},
+{
+ "PTR_TO_STACK store/load - out of bounds high",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack off=0 size=8",
+},
+{
+ "PTR_TO_STACK check high 1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "PTR_TO_STACK check high 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, -1, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, -1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "PTR_TO_STACK check high 3",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, -1, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, -1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "PTR_TO_STACK check high 4",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+ .errstr = "invalid stack off=0 size=1",
+ .result = REJECT,
+},
+{
+ "PTR_TO_STACK check high 5",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack off",
+},
+{
+ "PTR_TO_STACK check high 6",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MAX, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MAX),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack off",
+},
+{
+ "PTR_TO_STACK check high 7",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MAX, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MAX),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+ .errstr = "fp pointer offset",
+},
+{
+ "PTR_TO_STACK check low 1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -512),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "PTR_TO_STACK check low 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -513),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 1, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "PTR_TO_STACK check low 3",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -513),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+ .errstr = "invalid stack off=-513 size=1",
+ .result = REJECT,
+},
+{
+ "PTR_TO_STACK check low 4",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, INT_MIN),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "math between fp pointer",
+},
+{
+ "PTR_TO_STACK check low 5",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack off",
+},
+{
+ "PTR_TO_STACK check low 6",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MIN, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MIN),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "invalid stack off",
+},
+{
+ "PTR_TO_STACK check low 7",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MIN, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MIN),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+ .errstr = "fp pointer offset",
+},
+{
+ "PTR_TO_STACK mixed reg/k, 1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),
+ BPF_MOV64_IMM(BPF_REG_2, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "PTR_TO_STACK mixed reg/k, 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),
+ BPF_MOV64_IMM(BPF_REG_2, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_5, -6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "PTR_TO_STACK mixed reg/k, 3",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),
+ BPF_MOV64_IMM(BPF_REG_2, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = -3,
+},
+{
+ "PTR_TO_STACK reg",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_MOV64_IMM(BPF_REG_2, -3),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+ BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "invalid stack off=0 size=1",
+ .result = ACCEPT,
+ .retval = 42,
+},
+{
+ "stack pointer arithmetic",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 4),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_1),
+ BPF_ST_MEM(0, BPF_REG_2, 4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+ BPF_ST_MEM(0, BPF_REG_2, 4, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/subreg.c b/tools/testing/selftests/bpf/verifier/subreg.c
new file mode 100644
index 000000000000..4c4133c80440
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/subreg.c
@@ -0,0 +1,533 @@
+/* This file contains sub-register zero extension checks for insns defining
+ * sub-registers, meaning:
+ * - All insns under BPF_ALU class. Their BPF_ALU32 variants or narrow width
+ * forms (BPF_END) could define sub-registers.
+ * - Narrow direct loads, BPF_B/H/W | BPF_LDX.
+ * - BPF_LD is not exposed to JIT back-ends, so no need for testing.
+ *
+ * "get_prandom_u32" is used to initialize low 32-bit of some registers to
+ * prevent potential optimizations done by verifier or JIT back-ends which could
+ * optimize register back into constant when range info shows one register is a
+ * constant.
+ */
+{
+ "add32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LD_IMM64(BPF_REG_0, 0x100000000ULL),
+ BPF_ALU32_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "add32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ /* An insn could have no effect on the low 32-bit, for example:
+ * a = a + 0
+ * a = a | 0
+ * a = a & -1
+ * But, they should still zero high 32-bit.
+ */
+ BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, -2),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "sub32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LD_IMM64(BPF_REG_0, 0x1ffffffffULL),
+ BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "sub32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_SUB, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_SUB, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "mul32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LD_IMM64(BPF_REG_0, 0x100000001ULL),
+ BPF_ALU32_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "mul32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_MUL, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_MUL, BPF_REG_0, -1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "div32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_0, -1),
+ BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "div32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_DIV, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_DIV, BPF_REG_0, 2),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "or32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LD_IMM64(BPF_REG_0, 0x100000001ULL),
+ BPF_ALU32_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "or32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_OR, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_OR, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "and32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x100000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_1, BPF_REG_0),
+ BPF_LD_IMM64(BPF_REG_0, 0x1ffffffffULL),
+ BPF_ALU32_REG(BPF_AND, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "and32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_AND, BPF_REG_0, -1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_AND, BPF_REG_0, -2),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "lsh32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x100000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_ALU32_REG(BPF_LSH, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "lsh32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_LSH, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_LSH, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "rsh32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_ALU32_REG(BPF_RSH, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "rsh32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_RSH, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_RSH, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "neg32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_NEG, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "mod32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_0, -1),
+ BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "mod32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_MOD, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_MOD, BPF_REG_0, 2),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "xor32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LD_IMM64(BPF_REG_0, 0x100000000ULL),
+ BPF_ALU32_REG(BPF_XOR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "xor32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_XOR, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "mov32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x100000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_1, BPF_REG_0),
+ BPF_LD_IMM64(BPF_REG_0, 0x100000000ULL),
+ BPF_MOV32_REG(BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "mov32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_MOV32_IMM(BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_MOV32_IMM(BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "arsh32 reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "arsh32 imm zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "end16 (to_le) reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_ENDIAN(BPF_TO_LE, BPF_REG_0, 16),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "end32 (to_le) reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_ENDIAN(BPF_TO_LE, BPF_REG_0, 32),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "end16 (to_be) reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_ENDIAN(BPF_TO_BE, BPF_REG_0, 16),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "end32 (to_be) reg zero extend check",
+ .insns = {
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+ BPF_ENDIAN(BPF_TO_BE, BPF_REG_0, 32),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "ldx_b zero extend check",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -4),
+ BPF_ST_MEM(BPF_W, BPF_REG_6, 0, 0xfaceb00c),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "ldx_h zero extend check",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -4),
+ BPF_ST_MEM(BPF_W, BPF_REG_6, 0, 0xfaceb00c),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_6, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "ldx_w zero extend check",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -4),
+ BPF_ST_MEM(BPF_W, BPF_REG_6, 0, 0xfaceb00c),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+ BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+ BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
diff --git a/tools/testing/selftests/bpf/verifier/uninit.c b/tools/testing/selftests/bpf/verifier/uninit.c
new file mode 100644
index 000000000000..987a5871ff1d
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/uninit.c
@@ -0,0 +1,39 @@
+{
+ "read uninitialized register",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R2 !read_ok",
+ .result = REJECT,
+},
+{
+ "read invalid register",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_0, -1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R15 is invalid",
+ .result = REJECT,
+},
+{
+ "program doesn't init R0 before exit",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R0 !read_ok",
+ .result = REJECT,
+},
+{
+ "program doesn't init R0 before exit in all branches",
+ .insns = {
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R0 !read_ok",
+ .errstr_unpriv = "R1 pointer comparison",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/unpriv.c b/tools/testing/selftests/bpf/verifier/unpriv.c
new file mode 100644
index 000000000000..91bb77c24a2e
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/unpriv.c
@@ -0,0 +1,522 @@
+{
+ "unpriv: return pointer",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 leaks addr",
+ .retval = POINTER_VALUE,
+},
+{
+ "unpriv: add const to pointer",
+ .insns = {
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "unpriv: add pointer to pointer",
+ .insns = {
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_10),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R1 pointer += pointer",
+},
+{
+ "unpriv: neg pointer",
+ .insns = {
+ BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R1 pointer arithmetic",
+},
+{
+ "unpriv: cmp pointer with const",
+ .insns = {
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R1 pointer comparison",
+},
+{
+ "unpriv: cmp pointer with pointer",
+ .insns = {
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R10 pointer comparison",
+},
+{
+ "unpriv: check that printk is disallowed",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_2, 8),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_1),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_trace_printk),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "unknown func bpf_trace_printk#6",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+ "unpriv: pass pointer to helper function",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_update_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr_unpriv = "R4 leaks addr",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "unpriv: indirectly pass pointer on stack to helper function",
+ .insns = {
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr = "invalid indirect read from stack off -8+0 size 8",
+ .result = REJECT,
+},
+{
+ "unpriv: mangle pointer on stack 1",
+ .insns = {
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -8, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "attempt to corrupt spilled",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "unpriv: mangle pointer on stack 2",
+ .insns = {
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
+ BPF_ST_MEM(BPF_B, BPF_REG_10, -1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "attempt to corrupt spilled",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "unpriv: read pointer from stack in small chunks",
+ .insns = {
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid size",
+ .result = REJECT,
+},
+{
+ "unpriv: write pointer into ctx",
+ .insns = {
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R1 leaks addr",
+ .result_unpriv = REJECT,
+ .errstr = "invalid bpf_context access",
+ .result = REJECT,
+},
+{
+ "unpriv: spill/fill of ctx",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+},
+{
+ "unpriv: spill/fill of ctx 2",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_hash_recalc),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "unpriv: spill/fill of ctx 3",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_hash_recalc),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R1 type=fp expected=ctx",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "unpriv: spill/fill of ctx 4",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_RAW_INSN(BPF_STX | BPF_XADD | BPF_DW, BPF_REG_10, BPF_REG_0, -8, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_hash_recalc),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "R1 type=inv expected=ctx",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "unpriv: spill/fill of different pointers stx",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, 42),
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
+ offsetof(struct __sk_buff, mark)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "same insn cannot be used with different pointers",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "unpriv: spill/fill of different pointers stx - ctx and sock",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+ /* struct bpf_sock *sock = bpf_sock_lookup(...); */
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ /* u64 foo; */
+ /* void *target = &foo; */
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+ /* if (skb == NULL) *target = sock; */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+ /* else *target = skb; */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ /* struct __sk_buff *skb = *target; */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ /* skb->mark = 42; */
+ BPF_MOV64_IMM(BPF_REG_3, 42),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
+ offsetof(struct __sk_buff, mark)),
+ /* if (sk) bpf_sk_release(sk) */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "type=ctx expected=sock",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "unpriv: spill/fill of different pointers stx - leak sock",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+ /* struct bpf_sock *sock = bpf_sock_lookup(...); */
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ /* u64 foo; */
+ /* void *target = &foo; */
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+ /* if (skb == NULL) *target = sock; */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+ /* else *target = skb; */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ /* struct __sk_buff *skb = *target; */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ /* skb->mark = 42; */
+ BPF_MOV64_IMM(BPF_REG_3, 42),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
+ offsetof(struct __sk_buff, mark)),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ //.errstr = "same insn cannot be used with different pointers",
+ .errstr = "Unreleased reference",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "unpriv: spill/fill of different pointers stx - sock and ctx (read)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+ /* struct bpf_sock *sock = bpf_sock_lookup(...); */
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ /* u64 foo; */
+ /* void *target = &foo; */
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+ /* if (skb) *target = skb */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ /* else *target = sock */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+ /* struct bpf_sock *sk = *target; */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ /* if (sk) u32 foo = sk->mark; bpf_sk_release(sk); */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct bpf_sock, mark)),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "same insn cannot be used with different pointers",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "unpriv: spill/fill of different pointers stx - sock and ctx (write)",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+ /* struct bpf_sock *sock = bpf_sock_lookup(...); */
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ /* u64 foo; */
+ /* void *target = &foo; */
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+ /* if (skb) *target = skb */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ /* else *target = sock */
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+ /* struct bpf_sock *sk = *target; */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ /* if (sk) sk->mark = 42; bpf_sk_release(sk); */
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_3, 42),
+ BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
+ offsetof(struct bpf_sock, mark)),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ //.errstr = "same insn cannot be used with different pointers",
+ .errstr = "cannot write into sock",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "unpriv: spill/fill of different pointers ldx",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2,
+ -(__s32)offsetof(struct bpf_perf_event_data,
+ sample_period) - 8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1,
+ offsetof(struct bpf_perf_event_data, sample_period)),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "same insn cannot be used with different pointers",
+ .prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+ "unpriv: write pointer into map elem value",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "alu32: mov u32 const",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_7, 0),
+ BPF_ALU32_IMM(BPF_AND, BPF_REG_7, 1),
+ BPF_MOV32_REG(BPF_REG_0, BPF_REG_7),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
+{
+ "unpriv: partial copy of pointer",
+ .insns = {
+ BPF_MOV32_REG(BPF_REG_1, BPF_REG_10),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R10 partial copy",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "unpriv: pass pointer to tail_call",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_1),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog1 = { 1 },
+ .errstr_unpriv = "R3 leaks addr into helper",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "unpriv: cmp map pointer with zero",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 1 },
+ .errstr_unpriv = "R1 pointer comparison",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "unpriv: write into frame pointer",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_10, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "frame pointer is read only",
+ .result = REJECT,
+},
+{
+ "unpriv: spill/fill frame pointer",
+ .insns = {
+ BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "frame pointer is read only",
+ .result = REJECT,
+},
+{
+ "unpriv: cmp of frame pointer",
+ .insns = {
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_10, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R10 pointer comparison",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "unpriv: adding of fp",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_1, 0),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
+{
+ "unpriv: cmp of stack pointer",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R2 pointer comparison",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value.c b/tools/testing/selftests/bpf/verifier/value.c
new file mode 100644
index 000000000000..0e42592b1218
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value.c
@@ -0,0 +1,104 @@
+{
+ "map element value store of cleared call register",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R1 !read_ok",
+ .errstr = "R1 !read_ok",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+},
+{
+ "map element value with unaligned store",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 17),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 43),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, -2, 44),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 32),
+ BPF_ST_MEM(BPF_DW, BPF_REG_8, 2, 33),
+ BPF_ST_MEM(BPF_DW, BPF_REG_8, -2, 34),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_8, 5),
+ BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 22),
+ BPF_ST_MEM(BPF_DW, BPF_REG_8, 4, 23),
+ BPF_ST_MEM(BPF_DW, BPF_REG_8, -7, 24),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_8),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 3),
+ BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 22),
+ BPF_ST_MEM(BPF_DW, BPF_REG_7, 4, 23),
+ BPF_ST_MEM(BPF_DW, BPF_REG_7, -4, 24),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "map element value with unaligned load",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 9),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 2),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 5),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 4),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "map element value is preserved across register spilling",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, offsetof(struct test_val, foo)),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -184),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_adj_spill.c b/tools/testing/selftests/bpf/verifier/value_adj_spill.c
new file mode 100644
index 000000000000..7135e8021b81
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value_adj_spill.c
@@ -0,0 +1,43 @@
+{
+ "map element value is preserved across register spilling",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -184),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+},
+{
+ "map element value or null is marked on register spilling",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -152),
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 leaks addr",
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_illegal_alu.c b/tools/testing/selftests/bpf/verifier/value_illegal_alu.c
new file mode 100644
index 000000000000..7f6c232cd842
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value_illegal_alu.c
@@ -0,0 +1,94 @@
+{
+ "map element value illegal alu op, 1",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R0 bitwise operator &= on pointer",
+ .result = REJECT,
+},
+{
+ "map element value illegal alu op, 2",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R0 32-bit pointer arithmetic prohibited",
+ .result = REJECT,
+},
+{
+ "map element value illegal alu op, 3",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ALU64_IMM(BPF_DIV, BPF_REG_0, 42),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R0 pointer arithmetic with /= operator",
+ .result = REJECT,
+},
+{
+ "map element value illegal alu op, 4",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ENDIAN(BPF_FROM_BE, BPF_REG_0, 64),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "invalid mem access 'inv'",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "map element value illegal alu op, 5",
+ .insns = {
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_MOV64_IMM(BPF_REG_3, 4096),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+ BPF_STX_XADD(BPF_DW, BPF_REG_2, BPF_REG_3, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R0 invalid mem access 'inv'",
+ .result = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_or_null.c b/tools/testing/selftests/bpf/verifier/value_or_null.c
new file mode 100644
index 000000000000..860d4a71cd83
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value_or_null.c
@@ -0,0 +1,152 @@
+{
+ "multiple registers share map_lookup_elem result",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+ "alu ops on ptr_to_map_value_or_null, 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .errstr = "R4 pointer arithmetic on map_value_or_null",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+ "alu ops on ptr_to_map_value_or_null, 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_4, -1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .errstr = "R4 pointer arithmetic on map_value_or_null",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+ "alu ops on ptr_to_map_value_or_null, 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_4, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .errstr = "R4 pointer arithmetic on map_value_or_null",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+ "invalid memory access with multiple map_lookup_elem calls",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .result = REJECT,
+ .errstr = "R4 !read_ok",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+ "valid indirect map_lookup_elem access with 2nd lookup in branch",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_2, 10),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 3),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+ "invalid map access from else condition",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES-1, 1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+ BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 3 },
+ .errstr = "R0 unbounded memory access",
+ .result = REJECT,
+ .errstr_unpriv = "R0 leaks addr",
+ .result_unpriv = REJECT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
new file mode 100644
index 000000000000..c3de1a2c9dc5
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
@@ -0,0 +1,838 @@
+{
+ "map access: known scalar += value_ptr from different maps",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_1, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 5 },
+ .fixup_map_array_48b = { 8 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R1 tried to add from different maps",
+ .retval = 1,
+},
+{
+ "map access: value_ptr -= known scalar from different maps",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_1, 4),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_16b = { 5 },
+ .fixup_map_array_48b = { 8 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 min value is outside of the array range",
+ .retval = 1,
+},
+{
+ "map access: known scalar += value_ptr from different maps, but same value properties",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+ offsetof(struct __sk_buff, len)),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_1, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_48b = { 5 },
+ .fixup_map_array_48b = { 8 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "map access: mixing value pointer and scalar, 1",
+ .insns = {
+ // load map value pointer into r0 and r2
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+ BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -16),
+ BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ // load some number from the map into r1
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ // depending on r1, branch:
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 3),
+ // branch A
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_JMP_A(2),
+ // branch B
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0x100000),
+ // common instruction
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+ // depending on r1, branch:
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+ // branch A
+ BPF_JMP_A(4),
+ // branch B
+ BPF_MOV64_IMM(BPF_REG_0, 0x13371337),
+ // verifier follows fall-through
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0x100000, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ // fake-dead code; targeted from branch A to
+ // prevent dead code sanitization
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R2 tried to add from different pointers or scalars",
+ .retval = 0,
+},
+{
+ "map access: mixing value pointer and scalar, 2",
+ .insns = {
+ // load map value pointer into r0 and r2
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+ BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -16),
+ BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ // load some number from the map into r1
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ // depending on r1, branch:
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+ // branch A
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0x100000),
+ BPF_JMP_A(2),
+ // branch B
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ // common instruction
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+ // depending on r1, branch:
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+ // branch A
+ BPF_JMP_A(4),
+ // branch B
+ BPF_MOV64_IMM(BPF_REG_0, 0x13371337),
+ // verifier follows fall-through
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0x100000, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ // fake-dead code; targeted from branch A to
+ // prevent dead code sanitization
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R2 tried to add from different maps or paths",
+ .retval = 0,
+},
+{
+ "sanitation: alu with different scalars 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+ BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -16),
+ BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_IMM(BPF_REG_3, 0x100000),
+ BPF_JMP_A(2),
+ BPF_MOV64_IMM(BPF_REG_2, 42),
+ BPF_MOV64_IMM(BPF_REG_3, 0x100001),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .retval = 0x100000,
+},
+{
+ "sanitation: alu with different scalars 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_delete_elem),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+ BPF_EMIT_CALL(BPF_FUNC_map_delete_elem),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_6),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_7),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_8),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 1 },
+ .result = ACCEPT,
+ .retval = -EINVAL * 2,
+},
+{
+ "sanitation: alu with different scalars 3",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, EINVAL),
+ BPF_ALU64_IMM(BPF_MUL, BPF_REG_0, -1),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_0, EINVAL),
+ BPF_ALU64_IMM(BPF_MUL, BPF_REG_0, -1),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_6),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_7),
+ BPF_MOV64_REG(BPF_REG_0, BPF_REG_8),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = -EINVAL * 2,
+},
+{
+ "map access: value_ptr += known scalar, upper oob arith, test 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_1, 48),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .retval = 1,
+},
+{
+ "map access: value_ptr += known scalar, upper oob arith, test 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_1, 49),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .retval = 1,
+},
+{
+ "map access: value_ptr += known scalar, upper oob arith, test 3",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_1, 47),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .retval = 1,
+},
+{
+ "map access: value_ptr -= known scalar, lower oob arith, test 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_IMM(BPF_REG_1, 47),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 48),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R0 min value is outside of the array range",
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+},
+{
+ "map access: value_ptr -= known scalar, lower oob arith, test 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_MOV64_IMM(BPF_REG_1, 47),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 48),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .retval = 1,
+},
+{
+ "map access: value_ptr -= known scalar, lower oob arith, test 3",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_IMM(BPF_REG_1, 47),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 47),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .retval = 1,
+},
+{
+ "map access: known scalar += value_ptr",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_1, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "map access: value_ptr += known scalar, 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_1, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "map access: value_ptr += known scalar, 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_1, 49),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "invalid access to map value",
+},
+{
+ "map access: value_ptr += known scalar, 3",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_1, -1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "invalid access to map value",
+},
+{
+ "map access: value_ptr += known scalar, 4",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_MOV64_IMM(BPF_REG_1, 5),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, -2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, -1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .retval = 1,
+},
+{
+ "map access: value_ptr += known scalar, 5",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_1, (6 + 1) * sizeof(int)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 0xabcdef12,
+},
+{
+ "map access: value_ptr += known scalar, 6",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_IMM(BPF_REG_1, (3 + 1) * sizeof(int)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 3 * sizeof(int)),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 0xabcdef12,
+},
+{
+ "map access: unknown scalar += value_ptr, 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "map access: unknown scalar += value_ptr, 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 0xabcdef12,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "map access: unknown scalar += value_ptr, 3",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+ BPF_MOV64_IMM(BPF_REG_1, -1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .retval = 0xabcdef12,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "map access: unknown scalar += value_ptr, 4",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_MOV64_IMM(BPF_REG_1, 19),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R1 max value is outside of the array range",
+ .errstr_unpriv = "R1 pointer arithmetic of map value goes out of range",
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "map access: value_ptr += unknown scalar, 1",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "map access: value_ptr += unknown scalar, 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 0xabcdef12,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "map access: value_ptr += unknown scalar, 3",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 16),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_3, 1),
+ BPF_ALU64_IMM(BPF_OR, BPF_REG_3, 1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_3, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -3),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "map access: value_ptr += value_ptr",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R0 pointer += pointer prohibited",
+},
+{
+ "map access: known scalar -= value_ptr",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_1, 4),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R1 tried to subtract pointer from scalar",
+},
+{
+ "map access: value_ptr -= known scalar",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+ BPF_MOV64_IMM(BPF_REG_1, 4),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R0 min value is outside of the array range",
+},
+{
+ "map access: value_ptr -= known scalar, 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+ BPF_MOV64_IMM(BPF_REG_1, 6),
+ BPF_MOV64_IMM(BPF_REG_2, 4),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_2),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .retval = 1,
+},
+{
+ "map access: unknown scalar -= value_ptr",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R1 tried to subtract pointer from scalar",
+},
+{
+ "map access: value_ptr -= unknown scalar",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R0 min value is negative",
+},
+{
+ "map access: value_ptr -= unknown scalar, 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+ BPF_ALU64_IMM(BPF_OR, BPF_REG_1, 0x7),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .result_unpriv = REJECT,
+ .errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+ .retval = 1,
+},
+{
+ "map access: value_ptr -= value_ptr",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = REJECT,
+ .errstr = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 pointer -= pointer prohibited",
+},
diff --git a/tools/testing/selftests/bpf/verifier/var_off.c b/tools/testing/selftests/bpf/verifier/var_off.c
new file mode 100644
index 000000000000..8504ac937809
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/var_off.c
@@ -0,0 +1,248 @@
+{
+ "variable-offset ctx access",
+ .insns = {
+ /* Get an unknown value */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ /* Make it small and 4-byte aligned */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+ /* add it to skb. We now have either &skb->len or
+ * &skb->pkt_type, but we don't know which
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+ /* dereference it */
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "variable ctx access var_off=(0x0; 0x4)",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+ "variable-offset stack access",
+ .insns = {
+ /* Fill the top 8 bytes of the stack */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ /* Get an unknown value */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ /* Make it small and 4-byte aligned */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 8),
+ /* add it to fp. We now have either fp-4 or fp-8, but
+ * we don't know which
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+ /* dereference it */
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "variable stack access var_off=(0xfffffffffffffff8; 0x4)",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+ "indirect variable-offset stack access, unbounded",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 6),
+ BPF_MOV64_IMM(BPF_REG_3, 28),
+ /* Fill the top 16 bytes of the stack. */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ /* Get an unknown value. */
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_1, offsetof(struct bpf_sock_ops,
+ bytes_received)),
+ /* Check the lower bound but don't check the upper one. */
+ BPF_JMP_IMM(BPF_JSLT, BPF_REG_4, 0, 4),
+ /* Point the lower bound to initialized stack. Offset is now in range
+ * from fp-16 to fp+0x7fffffffffffffef, i.e. max value is unbounded.
+ */
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_4, 16),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_10),
+ BPF_MOV64_IMM(BPF_REG_5, 8),
+ /* Dereference it indirectly. */
+ BPF_EMIT_CALL(BPF_FUNC_getsockopt),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R4 unbounded indirect variable offset stack access",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SOCK_OPS,
+},
+{
+ "indirect variable-offset stack access, max out of bound",
+ .insns = {
+ /* Fill the top 8 bytes of the stack */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ /* Get an unknown value */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ /* Make it small and 4-byte aligned */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 8),
+ /* add it to fp. We now have either fp-4 or fp-8, but
+ * we don't know which
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+ /* dereference it indirectly */
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 5 },
+ .errstr = "R2 max value is outside of stack bound",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+ "indirect variable-offset stack access, min out of bound",
+ .insns = {
+ /* Fill the top 8 bytes of the stack */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ /* Get an unknown value */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ /* Make it small and 4-byte aligned */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 516),
+ /* add it to fp. We now have either fp-516 or fp-512, but
+ * we don't know which
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+ /* dereference it indirectly */
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 5 },
+ .errstr = "R2 min value is outside of stack bound",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+ "indirect variable-offset stack access, max_off+size > max_initialized",
+ .insns = {
+ /* Fill only the second from top 8 bytes of the stack. */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+ /* Get an unknown value. */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ /* Make it small and 4-byte aligned. */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+ /* Add it to fp. We now have either fp-12 or fp-16, but we don't know
+ * which. fp-12 size 8 is partially uninitialized stack.
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+ /* Dereference it indirectly. */
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 5 },
+ .errstr = "invalid indirect read from stack var_off",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+ "indirect variable-offset stack access, min_off < min_initialized",
+ .insns = {
+ /* Fill only the top 8 bytes of the stack. */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ /* Get an unknown value */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ /* Make it small and 4-byte aligned. */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+ /* Add it to fp. We now have either fp-12 or fp-16, but we don't know
+ * which. fp-16 size 8 is partially uninitialized stack.
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+ /* Dereference it indirectly. */
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 5 },
+ .errstr = "invalid indirect read from stack var_off",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+ "indirect variable-offset stack access, priv vs unpriv",
+ .insns = {
+ /* Fill the top 16 bytes of the stack. */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ /* Get an unknown value. */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ /* Make it small and 4-byte aligned. */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+ /* Add it to fp. We now have either fp-12 or fp-16, we don't know
+ * which, but either way it points to initialized stack.
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+ /* Dereference it indirectly. */
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 6 },
+ .errstr_unpriv = "R2 stack pointer arithmetic goes out of range, prohibited for !root",
+ .result_unpriv = REJECT,
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+ "indirect variable-offset stack access, uninitialized",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 6),
+ BPF_MOV64_IMM(BPF_REG_3, 28),
+ /* Fill the top 16 bytes of the stack. */
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -16, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ /* Get an unknown value. */
+ BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, 0),
+ /* Make it small and 4-byte aligned. */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_4, 4),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_4, 16),
+ /* Add it to fp. We now have either fp-12 or fp-16, we don't know
+ * which, but either way it points to initialized stack.
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_10),
+ BPF_MOV64_IMM(BPF_REG_5, 8),
+ /* Dereference it indirectly. */
+ BPF_EMIT_CALL(BPF_FUNC_getsockopt),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "invalid indirect read from stack var_off",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_SOCK_OPS,
+},
+{
+ "indirect variable-offset stack access, ok",
+ .insns = {
+ /* Fill the top 16 bytes of the stack. */
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ /* Get an unknown value. */
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+ /* Make it small and 4-byte aligned. */
+ BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+ /* Add it to fp. We now have either fp-12 or fp-16, we don't know
+ * which, but either way it points to initialized stack.
+ */
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+ /* Dereference it indirectly. */
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 6 },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_LWT_IN,
+},
diff --git a/tools/testing/selftests/bpf/verifier/wide_store.c b/tools/testing/selftests/bpf/verifier/wide_store.c
new file mode 100644
index 000000000000..8fe99602ded4
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/wide_store.c
@@ -0,0 +1,36 @@
+#define BPF_SOCK_ADDR(field, off, res, err) \
+{ \
+ "wide store to bpf_sock_addr." #field "[" #off "]", \
+ .insns = { \
+ BPF_MOV64_IMM(BPF_REG_0, 1), \
+ BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, \
+ offsetof(struct bpf_sock_addr, field[off])), \
+ BPF_EXIT_INSN(), \
+ }, \
+ .result = res, \
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR, \
+ .expected_attach_type = BPF_CGROUP_UDP6_SENDMSG, \
+ .errstr = err, \
+}
+
+/* user_ip6[0] is u64 aligned */
+BPF_SOCK_ADDR(user_ip6, 0, ACCEPT,
+ NULL),
+BPF_SOCK_ADDR(user_ip6, 1, REJECT,
+ "invalid bpf_context access off=12 size=8"),
+BPF_SOCK_ADDR(user_ip6, 2, ACCEPT,
+ NULL),
+BPF_SOCK_ADDR(user_ip6, 3, REJECT,
+ "invalid bpf_context access off=20 size=8"),
+
+/* msg_src_ip6[0] is _not_ u64 aligned */
+BPF_SOCK_ADDR(msg_src_ip6, 0, REJECT,
+ "invalid bpf_context access off=44 size=8"),
+BPF_SOCK_ADDR(msg_src_ip6, 1, ACCEPT,
+ NULL),
+BPF_SOCK_ADDR(msg_src_ip6, 2, REJECT,
+ "invalid bpf_context access off=52 size=8"),
+BPF_SOCK_ADDR(msg_src_ip6, 3, REJECT,
+ "invalid bpf_context access off=56 size=8"),
+
+#undef BPF_SOCK_ADDR
diff --git a/tools/testing/selftests/bpf/verifier/xadd.c b/tools/testing/selftests/bpf/verifier/xadd.c
new file mode 100644
index 000000000000..c5de2e62cc8b
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/xadd.c
@@ -0,0 +1,97 @@
+{
+ "xadd/w check unaligned stack",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_XADD(BPF_W, BPF_REG_10, BPF_REG_0, -7),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "misaligned stack access off",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "xadd/w check unaligned map",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_1, 1),
+ BPF_STX_XADD(BPF_W, BPF_REG_0, BPF_REG_1, 3),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 3),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 3 },
+ .result = REJECT,
+ .errstr = "misaligned value access off",
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+ "xadd/w check unaligned pkt",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 99),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 6),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+ BPF_ST_MEM(BPF_W, BPF_REG_2, 3, 0),
+ BPF_STX_XADD(BPF_W, BPF_REG_2, BPF_REG_0, 1),
+ BPF_STX_XADD(BPF_W, BPF_REG_2, BPF_REG_0, 2),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = REJECT,
+ .errstr = "BPF_XADD stores into R2 pkt is not allowed",
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "xadd/w check whether src/dst got mangled, 1",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_XADD(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_6, BPF_REG_0, 3),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_10, 2),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 3,
+},
+{
+ "xadd/w check whether src/dst got mangled, 2",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_XADD(BPF_W, BPF_REG_10, BPF_REG_0, -8),
+ BPF_STX_XADD(BPF_W, BPF_REG_10, BPF_REG_0, -8),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_6, BPF_REG_0, 3),
+ BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_10, 2),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -8),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .retval = 3,
+},
diff --git a/tools/testing/selftests/bpf/verifier/xdp.c b/tools/testing/selftests/bpf/verifier/xdp.c
new file mode 100644
index 000000000000..5ac390508139
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/xdp.c
@@ -0,0 +1,14 @@
+{
+ "XDP, using ifindex from netdev",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, ingress_ifindex)),
+ BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 1, 1),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c b/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c
new file mode 100644
index 000000000000..bfb97383e6b5
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c
@@ -0,0 +1,900 @@
+{
+ "XDP pkt read, pkt_end mangling, bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R3 pointer arithmetic on pkt_end",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "XDP pkt read, pkt_end mangling, bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_ALU64_IMM(BPF_SUB, BPF_REG_3, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R3 pointer arithmetic on pkt_end",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "XDP pkt read, pkt_data' > pkt_end, good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' > pkt_end, bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' > pkt_end, bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end > pkt_data', good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end > pkt_data', bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end > pkt_data', bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' < pkt_end, good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' < pkt_end, bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' < pkt_end, bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end < pkt_data', good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end < pkt_data', bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end < pkt_data', bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' >= pkt_end, good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' >= pkt_end, bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' >= pkt_end, bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end >= pkt_data', good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end >= pkt_data', bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end >= pkt_data', bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' <= pkt_end, good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' <= pkt_end, bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data' <= pkt_end, bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end <= pkt_data', good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end <= pkt_data', bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_end <= pkt_data', bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+ offsetof(struct xdp_md, data_end)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' > pkt_data, good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' > pkt_data, bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' > pkt_data, bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data > pkt_meta', good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data > pkt_meta', bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data > pkt_meta', bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' < pkt_data, good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' < pkt_data, bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' < pkt_data, bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data < pkt_meta', good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data < pkt_meta', bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data < pkt_meta', bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' >= pkt_data, good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' >= pkt_data, bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' >= pkt_data, bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data >= pkt_meta', good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data >= pkt_meta', bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data >= pkt_meta', bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' <= pkt_data, good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' <= pkt_data, bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_meta' <= pkt_data, bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data <= pkt_meta', good access",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data <= pkt_meta', bad access 1",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+ "XDP pkt read, pkt_data <= pkt_meta', bad access 2",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+ offsetof(struct xdp_md, data_meta)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+ BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr = "R1 offset is outside of the packet",
+ .result = REJECT,
+ .prog_type = BPF_PROG_TYPE_XDP,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/xdping.c b/tools/testing/selftests/bpf/xdping.c
new file mode 100644
index 000000000000..d60a343b1371
--- /dev/null
+++ b/tools/testing/selftests/bpf/xdping.c
@@ -0,0 +1,258 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. */
+
+#include <linux/bpf.h>
+#include <linux/if_link.h>
+#include <arpa/inet.h>
+#include <assert.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <sys/resource.h>
+#include <net/if.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+#include "bpf/bpf.h"
+#include "bpf/libbpf.h"
+
+#include "xdping.h"
+
+static int ifindex;
+static __u32 xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST;
+
+static void cleanup(int sig)
+{
+ bpf_set_link_xdp_fd(ifindex, -1, xdp_flags);
+ if (sig)
+ exit(1);
+}
+
+static int get_stats(int fd, __u16 count, __u32 raddr)
+{
+ struct pinginfo pinginfo = { 0 };
+ char inaddrbuf[INET_ADDRSTRLEN];
+ struct in_addr inaddr;
+ __u16 i;
+
+ inaddr.s_addr = raddr;
+
+ printf("\nXDP RTT data:\n");
+
+ if (bpf_map_lookup_elem(fd, &raddr, &pinginfo)) {
+ perror("bpf_map_lookup elem: ");
+ return 1;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (pinginfo.times[i] == 0)
+ break;
+
+ printf("64 bytes from %s: icmp_seq=%d ttl=64 time=%#.5f ms\n",
+ inet_ntop(AF_INET, &inaddr, inaddrbuf,
+ sizeof(inaddrbuf)),
+ count + i + 1,
+ (double)pinginfo.times[i]/1000000);
+ }
+
+ if (i < count) {
+ fprintf(stderr, "Expected %d samples, got %d.\n", count, i);
+ return 1;
+ }
+
+ bpf_map_delete_elem(fd, &raddr);
+
+ return 0;
+}
+
+static void show_usage(const char *prog)
+{
+ fprintf(stderr,
+ "usage: %s [OPTS] -I interface destination\n\n"
+ "OPTS:\n"
+ " -c count Stop after sending count requests\n"
+ " (default %d, max %d)\n"
+ " -I interface interface name\n"
+ " -N Run in driver mode\n"
+ " -s Server mode\n"
+ " -S Run in skb mode\n",
+ prog, XDPING_DEFAULT_COUNT, XDPING_MAX_COUNT);
+}
+
+int main(int argc, char **argv)
+{
+ __u32 mode_flags = XDP_FLAGS_DRV_MODE | XDP_FLAGS_SKB_MODE;
+ struct addrinfo *a, hints = { .ai_family = AF_INET };
+ struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
+ __u16 count = XDPING_DEFAULT_COUNT;
+ struct pinginfo pinginfo = { 0 };
+ const char *optstr = "c:I:NsS";
+ struct bpf_program *main_prog;
+ int prog_fd = -1, map_fd = -1;
+ struct sockaddr_in rin;
+ struct bpf_object *obj;
+ struct bpf_map *map;
+ char *ifname = NULL;
+ char filename[256];
+ int opt, ret = 1;
+ __u32 raddr = 0;
+ int server = 0;
+ char cmd[256];
+
+ while ((opt = getopt(argc, argv, optstr)) != -1) {
+ switch (opt) {
+ case 'c':
+ count = atoi(optarg);
+ if (count < 1 || count > XDPING_MAX_COUNT) {
+ fprintf(stderr,
+ "min count is 1, max count is %d\n",
+ XDPING_MAX_COUNT);
+ return 1;
+ }
+ break;
+ case 'I':
+ ifname = optarg;
+ ifindex = if_nametoindex(ifname);
+ if (!ifindex) {
+ fprintf(stderr, "Could not get interface %s\n",
+ ifname);
+ return 1;
+ }
+ break;
+ case 'N':
+ xdp_flags |= XDP_FLAGS_DRV_MODE;
+ break;
+ case 's':
+ /* use server program */
+ server = 1;
+ break;
+ case 'S':
+ xdp_flags |= XDP_FLAGS_SKB_MODE;
+ break;
+ default:
+ show_usage(basename(argv[0]));
+ return 1;
+ }
+ }
+
+ if (!ifname) {
+ show_usage(basename(argv[0]));
+ return 1;
+ }
+ if (!server && optind == argc) {
+ show_usage(basename(argv[0]));
+ return 1;
+ }
+
+ if ((xdp_flags & mode_flags) == mode_flags) {
+ fprintf(stderr, "-N or -S can be specified, not both.\n");
+ show_usage(basename(argv[0]));
+ return 1;
+ }
+
+ if (!server) {
+ /* Only supports IPv4; see hints initiailization above. */
+ if (getaddrinfo(argv[optind], NULL, &hints, &a) || !a) {
+ fprintf(stderr, "Could not resolve %s\n", argv[optind]);
+ return 1;
+ }
+ memcpy(&rin, a->ai_addr, sizeof(rin));
+ raddr = rin.sin_addr.s_addr;
+ freeaddrinfo(a);
+ }
+
+ if (setrlimit(RLIMIT_MEMLOCK, &r)) {
+ perror("setrlimit(RLIMIT_MEMLOCK)");
+ return 1;
+ }
+
+ snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+
+ if (bpf_prog_load(filename, BPF_PROG_TYPE_XDP, &obj, &prog_fd)) {
+ fprintf(stderr, "load of %s failed\n", filename);
+ return 1;
+ }
+
+ main_prog = bpf_object__find_program_by_title(obj,
+ server ? "xdpserver" :
+ "xdpclient");
+ if (main_prog)
+ prog_fd = bpf_program__fd(main_prog);
+ if (!main_prog || prog_fd < 0) {
+ fprintf(stderr, "could not find xdping program");
+ return 1;
+ }
+
+ map = bpf_map__next(NULL, obj);
+ if (map)
+ map_fd = bpf_map__fd(map);
+ if (!map || map_fd < 0) {
+ fprintf(stderr, "Could not find ping map");
+ goto done;
+ }
+
+ signal(SIGINT, cleanup);
+ signal(SIGTERM, cleanup);
+
+ printf("Setting up XDP for %s, please wait...\n", ifname);
+
+ printf("XDP setup disrupts network connectivity, hit Ctrl+C to quit\n");
+
+ if (bpf_set_link_xdp_fd(ifindex, prog_fd, xdp_flags) < 0) {
+ fprintf(stderr, "Link set xdp fd failed for %s\n", ifname);
+ goto done;
+ }
+
+ if (server) {
+ close(prog_fd);
+ close(map_fd);
+ printf("Running server on %s; press Ctrl+C to exit...\n",
+ ifname);
+ do { } while (1);
+ }
+
+ /* Start xdping-ing from last regular ping reply, e.g. for a count
+ * of 10 ICMP requests, we start xdping-ing using reply with seq number
+ * 10. The reason the last "real" ping RTT is much higher is that
+ * the ping program sees the ICMP reply associated with the last
+ * XDP-generated packet, so ping doesn't get a reply until XDP is done.
+ */
+ pinginfo.seq = htons(count);
+ pinginfo.count = count;
+
+ if (bpf_map_update_elem(map_fd, &raddr, &pinginfo, BPF_ANY)) {
+ fprintf(stderr, "could not communicate with BPF map: %s\n",
+ strerror(errno));
+ cleanup(0);
+ goto done;
+ }
+
+ /* We need to wait for XDP setup to complete. */
+ sleep(10);
+
+ snprintf(cmd, sizeof(cmd), "ping -c %d -I %s %s",
+ count, ifname, argv[optind]);
+
+ printf("\nNormal ping RTT data\n");
+ printf("[Ignore final RTT; it is distorted by XDP using the reply]\n");
+
+ ret = system(cmd);
+
+ if (!ret)
+ ret = get_stats(map_fd, count, raddr);
+
+ cleanup(0);
+
+done:
+ if (prog_fd > 0)
+ close(prog_fd);
+ if (map_fd > 0)
+ close(map_fd);
+
+ return ret;
+}
diff --git a/tools/testing/selftests/bpf/xdping.h b/tools/testing/selftests/bpf/xdping.h
new file mode 100644
index 000000000000..afc578df77be
--- /dev/null
+++ b/tools/testing/selftests/bpf/xdping.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. */
+
+#define XDPING_MAX_COUNT 10
+#define XDPING_DEFAULT_COUNT 4
+
+struct pinginfo {
+ __u64 start;
+ __be16 seq;
+ __u16 count;
+ __u32 pad;
+ __u64 times[XDPING_MAX_COUNT];
+};
diff --git a/tools/testing/selftests/breakpoints/breakpoint_test.c b/tools/testing/selftests/breakpoints/breakpoint_test.c
index 901b85ea6a59..3266cc9293fe 100644
--- a/tools/testing/selftests/breakpoints/breakpoint_test.c
+++ b/tools/testing/selftests/breakpoints/breakpoint_test.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2011 Red Hat, Inc., Frederic Weisbecker <fweisbec@redhat.com>
*
- * Licensed under the terms of the GNU GPL License version 2
- *
* Selftests for breakpoints (and more generally the do_debug() path) in x86.
*/
@@ -21,6 +20,8 @@
#include "../kselftest.h"
+#define COUNT_ISN_BPS 4
+#define COUNT_WPS 4
/* Breakpoint access modes */
enum {
@@ -220,7 +221,7 @@ static void trigger_tests(void)
if (!local && !global)
continue;
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < COUNT_ISN_BPS; i++) {
dummy_funcs[i]();
check_trapped();
}
@@ -292,7 +293,7 @@ static void launch_instruction_breakpoints(char *buf, int local, int global)
{
int i;
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < COUNT_ISN_BPS; i++) {
set_breakpoint_addr(dummy_funcs[i], i);
toggle_breakpoint(i, BP_X, 1, local, global, 1);
ptrace(PTRACE_CONT, child_pid, NULL, 0);
@@ -314,7 +315,7 @@ static void launch_watchpoints(char *buf, int mode, int len,
else
mode_str = "read";
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < COUNT_WPS; i++) {
set_breakpoint_addr(&dummy_var[i], i);
toggle_breakpoint(i, mode, len, local, global, 1);
ptrace(PTRACE_CONT, child_pid, NULL, 0);
@@ -330,8 +331,15 @@ static void launch_watchpoints(char *buf, int mode, int len,
static void launch_tests(void)
{
char buf[1024];
+ unsigned int tests = 0;
int len, local, global, i;
+ tests += 3 * COUNT_ISN_BPS;
+ tests += sizeof(long) / 2 * 3 * COUNT_WPS;
+ tests += sizeof(long) / 2 * 3 * COUNT_WPS;
+ tests += 2;
+ ksft_set_plan(tests);
+
/* Instruction breakpoints */
for (local = 0; local < 2; local++) {
for (global = 0; global < 2; global++) {
diff --git a/tools/testing/selftests/breakpoints/breakpoint_test_arm64.c b/tools/testing/selftests/breakpoints/breakpoint_test_arm64.c
index 2d95e5adde72..58ed5eeab709 100644
--- a/tools/testing/selftests/breakpoints/breakpoint_test_arm64.c
+++ b/tools/testing/selftests/breakpoints/breakpoint_test_arm64.c
@@ -1,20 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Google, Inc.
*
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
* Original Code by Pavel Labath <labath@google.com>
*
* Code modified by Pratyush Anand <panand@redhat.com>
* for testing different byte select for each access size.
- *
*/
#define _GNU_SOURCE
@@ -118,7 +109,7 @@ static bool set_watchpoint(pid_t pid, int size, int wp)
return false;
}
-static bool run_test(int wr_size, int wp_size, int wr, int wp)
+static bool arun_test(int wr_size, int wp_size, int wr, int wp)
{
int status;
siginfo_t siginfo;
@@ -214,6 +205,7 @@ int main(int argc, char **argv)
bool result;
ksft_print_header();
+ ksft_set_plan(213);
act.sa_handler = sigalrm;
sigemptyset(&act.sa_mask);
diff --git a/tools/testing/selftests/breakpoints/step_after_suspend_test.c b/tools/testing/selftests/breakpoints/step_after_suspend_test.c
index f82dcc1f8841..b3ead29c6089 100644
--- a/tools/testing/selftests/breakpoints/step_after_suspend_test.c
+++ b/tools/testing/selftests/breakpoints/step_after_suspend_test.c
@@ -1,15 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
#define _GNU_SOURCE
@@ -173,6 +164,7 @@ int main(int argc, char **argv)
int opt;
bool do_suspend = true;
bool succeeded = true;
+ unsigned int tests = 0;
cpu_set_t available_cpus;
int err;
int cpu;
@@ -191,6 +183,13 @@ int main(int argc, char **argv)
}
}
+ for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
+ if (!CPU_ISSET(cpu, &available_cpus))
+ continue;
+ tests++;
+ }
+ ksft_set_plan(tests);
+
if (do_suspend)
suspend();
diff --git a/tools/testing/selftests/capabilities/test_execve.c b/tools/testing/selftests/capabilities/test_execve.c
index 3ab39a61b95b..df0ef02b4036 100644
--- a/tools/testing/selftests/capabilities/test_execve.c
+++ b/tools/testing/selftests/capabilities/test_execve.c
@@ -430,8 +430,6 @@ int main(int argc, char **argv)
{
char *tmp1, *tmp2, *our_path;
- ksft_print_header();
-
/* Find our path */
tmp1 = strdup(argv[0]);
if (!tmp1)
@@ -445,6 +443,8 @@ int main(int argc, char **argv)
mpid = getpid();
if (fork_wait()) {
+ ksft_print_header();
+ ksft_set_plan(12);
ksft_print_msg("[RUN]\t+++ Tests with uid == 0 +++\n");
return do_tests(0, our_path);
}
@@ -452,6 +452,8 @@ int main(int argc, char **argv)
ksft_print_msg("==================================================\n");
if (fork_wait()) {
+ ksft_print_header();
+ ksft_set_plan(9);
ksft_print_msg("[RUN]\t+++ Tests with uid != 0 +++\n");
return do_tests(1, our_path);
}
diff --git a/tools/testing/selftests/cgroup/.gitignore b/tools/testing/selftests/cgroup/.gitignore
index adacda50a4b2..7f9835624793 100644
--- a/tools/testing/selftests/cgroup/.gitignore
+++ b/tools/testing/selftests/cgroup/.gitignore
@@ -1,2 +1,3 @@
test_memcontrol
test_core
+test_freezer
diff --git a/tools/testing/selftests/cgroup/Makefile b/tools/testing/selftests/cgroup/Makefile
index 23fbaa4a9630..8d369b6a2069 100644
--- a/tools/testing/selftests/cgroup/Makefile
+++ b/tools/testing/selftests/cgroup/Makefile
@@ -5,8 +5,10 @@ all:
TEST_GEN_PROGS = test_memcontrol
TEST_GEN_PROGS += test_core
+TEST_GEN_PROGS += test_freezer
include ../lib.mk
$(OUTPUT)/test_memcontrol: cgroup_util.c
$(OUTPUT)/test_core: cgroup_util.c
+$(OUTPUT)/test_freezer: cgroup_util.c
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c
index 14c9fe284806..4c223266299a 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.c
+++ b/tools/testing/selftests/cgroup/cgroup_util.c
@@ -74,6 +74,16 @@ char *cg_name_indexed(const char *root, const char *name, int index)
return ret;
}
+char *cg_control(const char *cgroup, const char *control)
+{
+ size_t len = strlen(cgroup) + strlen(control) + 2;
+ char *ret = malloc(len);
+
+ snprintf(ret, len, "%s/%s", cgroup, control);
+
+ return ret;
+}
+
int cg_read(const char *cgroup, const char *control, char *buf, size_t len)
{
char path[PATH_MAX];
@@ -196,7 +206,32 @@ int cg_create(const char *cgroup)
return mkdir(cgroup, 0644);
}
-static int cg_killall(const char *cgroup)
+int cg_wait_for_proc_count(const char *cgroup, int count)
+{
+ char buf[10 * PAGE_SIZE] = {0};
+ int attempts;
+ char *ptr;
+
+ for (attempts = 10; attempts >= 0; attempts--) {
+ int nr = 0;
+
+ if (cg_read(cgroup, "cgroup.procs", buf, sizeof(buf)))
+ break;
+
+ for (ptr = buf; *ptr; ptr++)
+ if (*ptr == '\n')
+ nr++;
+
+ if (nr >= count)
+ return 0;
+
+ usleep(100000);
+ }
+
+ return -1;
+}
+
+int cg_killall(const char *cgroup)
{
char buf[PAGE_SIZE];
char *ptr = buf;
@@ -227,9 +262,7 @@ int cg_destroy(const char *cgroup)
retry:
ret = rmdir(cgroup);
if (ret && errno == EBUSY) {
- ret = cg_killall(cgroup);
- if (ret)
- return ret;
+ cg_killall(cgroup);
usleep(100);
goto retry;
}
@@ -240,6 +273,14 @@ retry:
return ret;
}
+int cg_enter(const char *cgroup, int pid)
+{
+ char pidbuf[64];
+
+ snprintf(pidbuf, sizeof(pidbuf), "%d", pid);
+ return cg_write(cgroup, "cgroup.procs", pidbuf);
+}
+
int cg_enter_current(const char *cgroup)
{
char pidbuf[64];
@@ -369,3 +410,12 @@ int set_oom_adj_score(int pid, int score)
close(fd);
return 0;
}
+
+char proc_read_text(int pid, const char *item, char *buf, size_t size)
+{
+ char path[PATH_MAX];
+
+ snprintf(path, sizeof(path), "/proc/%d/%s", pid, item);
+
+ return read_text(path, buf, size);
+}
diff --git a/tools/testing/selftests/cgroup/cgroup_util.h b/tools/testing/selftests/cgroup/cgroup_util.h
index 9ac8b7958f83..c72f28046bfa 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.h
+++ b/tools/testing/selftests/cgroup/cgroup_util.h
@@ -18,6 +18,7 @@ static inline int values_close(long a, long b, int err)
extern int cg_find_unified_root(char *root, size_t len);
extern char *cg_name(const char *root, const char *name);
extern char *cg_name_indexed(const char *root, const char *name, int index);
+extern char *cg_control(const char *cgroup, const char *control);
extern int cg_create(const char *cgroup);
extern int cg_destroy(const char *cgroup);
extern int cg_read(const char *cgroup, const char *control,
@@ -32,6 +33,7 @@ extern int cg_write(const char *cgroup, const char *control, char *buf);
extern int cg_run(const char *cgroup,
int (*fn)(const char *cgroup, void *arg),
void *arg);
+extern int cg_enter(const char *cgroup, int pid);
extern int cg_enter_current(const char *cgroup);
extern int cg_run_nowait(const char *cgroup,
int (*fn)(const char *cgroup, void *arg),
@@ -41,3 +43,6 @@ extern int alloc_pagecache(int fd, size_t size);
extern int alloc_anon(const char *cgroup, void *arg);
extern int is_swap_enabled(void);
extern int set_oom_adj_score(int pid, int score);
+extern int cg_wait_for_proc_count(const char *cgroup, int count);
+extern int cg_killall(const char *cgroup);
+extern char proc_read_text(int pid, const char *item, char *buf, size_t size);
diff --git a/tools/testing/selftests/cgroup/test_core.c b/tools/testing/selftests/cgroup/test_core.c
index be59f9c34ea2..79053a4f4783 100644
--- a/tools/testing/selftests/cgroup/test_core.c
+++ b/tools/testing/selftests/cgroup/test_core.c
@@ -198,7 +198,7 @@ static int test_cgcore_no_internal_process_constraint_on_threads(const char *roo
char *parent = NULL, *child = NULL;
if (cg_read_strstr(root, "cgroup.controllers", "cpu") ||
- cg_read_strstr(root, "cgroup.subtree_control", "cpu")) {
+ cg_write(root, "cgroup.subtree_control", "+cpu")) {
ret = KSFT_SKIP;
goto cleanup;
}
@@ -376,6 +376,11 @@ int main(int argc, char *argv[])
if (cg_find_unified_root(root, sizeof(root)))
ksft_exit_skip("cgroup v2 isn't mounted\n");
+
+ if (cg_read_strstr(root, "cgroup.subtree_control", "memory"))
+ if (cg_write(root, "cgroup.subtree_control", "+memory"))
+ ksft_exit_skip("Failed to set memory controller\n");
+
for (i = 0; i < ARRAY_SIZE(tests); i++) {
switch (tests[i].fn(root)) {
case KSFT_PASS:
diff --git a/tools/testing/selftests/cgroup/test_freezer.c b/tools/testing/selftests/cgroup/test_freezer.c
new file mode 100644
index 000000000000..8219a30853d2
--- /dev/null
+++ b/tools/testing/selftests/cgroup/test_freezer.c
@@ -0,0 +1,850 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <stdbool.h>
+#include <linux/limits.h>
+#include <sys/ptrace.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include <poll.h>
+#include <stdlib.h>
+#include <sys/inotify.h>
+#include <string.h>
+#include <sys/wait.h>
+
+#include "../kselftest.h"
+#include "cgroup_util.h"
+
+#define DEBUG
+#ifdef DEBUG
+#define debug(args...) fprintf(stderr, args)
+#else
+#define debug(args...)
+#endif
+
+/*
+ * Check if the cgroup is frozen by looking at the cgroup.events::frozen value.
+ */
+static int cg_check_frozen(const char *cgroup, bool frozen)
+{
+ if (frozen) {
+ if (cg_read_strstr(cgroup, "cgroup.events", "frozen 1") != 0) {
+ debug("Cgroup %s isn't frozen\n", cgroup);
+ return -1;
+ }
+ } else {
+ /*
+ * Check the cgroup.events::frozen value.
+ */
+ if (cg_read_strstr(cgroup, "cgroup.events", "frozen 0") != 0) {
+ debug("Cgroup %s is frozen\n", cgroup);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Freeze the given cgroup.
+ */
+static int cg_freeze_nowait(const char *cgroup, bool freeze)
+{
+ return cg_write(cgroup, "cgroup.freeze", freeze ? "1" : "0");
+}
+
+/*
+ * Prepare for waiting on cgroup.events file.
+ */
+static int cg_prepare_for_wait(const char *cgroup)
+{
+ int fd, ret = -1;
+
+ fd = inotify_init1(0);
+ if (fd == -1) {
+ debug("Error: inotify_init1() failed\n");
+ return fd;
+ }
+
+ ret = inotify_add_watch(fd, cg_control(cgroup, "cgroup.events"),
+ IN_MODIFY);
+ if (ret == -1) {
+ debug("Error: inotify_add_watch() failed\n");
+ close(fd);
+ }
+
+ return fd;
+}
+
+/*
+ * Wait for an event. If there are no events for 10 seconds,
+ * treat this an error.
+ */
+static int cg_wait_for(int fd)
+{
+ int ret = -1;
+ struct pollfd fds = {
+ .fd = fd,
+ .events = POLLIN,
+ };
+
+ while (true) {
+ ret = poll(&fds, 1, 10000);
+
+ if (ret == -1) {
+ if (errno == EINTR)
+ continue;
+ debug("Error: poll() failed\n");
+ break;
+ }
+
+ if (ret > 0 && fds.revents & POLLIN) {
+ ret = 0;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+/*
+ * Attach a task to the given cgroup and wait for a cgroup frozen event.
+ * All transient events (e.g. populated) are ignored.
+ */
+static int cg_enter_and_wait_for_frozen(const char *cgroup, int pid,
+ bool frozen)
+{
+ int fd, ret = -1;
+ int attempts;
+
+ fd = cg_prepare_for_wait(cgroup);
+ if (fd < 0)
+ return fd;
+
+ ret = cg_enter(cgroup, pid);
+ if (ret)
+ goto out;
+
+ for (attempts = 0; attempts < 10; attempts++) {
+ ret = cg_wait_for(fd);
+ if (ret)
+ break;
+
+ ret = cg_check_frozen(cgroup, frozen);
+ if (ret)
+ continue;
+ }
+
+out:
+ close(fd);
+ return ret;
+}
+
+/*
+ * Freeze the given cgroup and wait for the inotify signal.
+ * If there are no events in 10 seconds, treat this as an error.
+ * Then check that the cgroup is in the desired state.
+ */
+static int cg_freeze_wait(const char *cgroup, bool freeze)
+{
+ int fd, ret = -1;
+
+ fd = cg_prepare_for_wait(cgroup);
+ if (fd < 0)
+ return fd;
+
+ ret = cg_freeze_nowait(cgroup, freeze);
+ if (ret) {
+ debug("Error: cg_freeze_nowait() failed\n");
+ goto out;
+ }
+
+ ret = cg_wait_for(fd);
+ if (ret)
+ goto out;
+
+ ret = cg_check_frozen(cgroup, freeze);
+out:
+ close(fd);
+ return ret;
+}
+
+/*
+ * A simple process running in a sleep loop until being
+ * re-parented.
+ */
+static int child_fn(const char *cgroup, void *arg)
+{
+ int ppid = getppid();
+
+ while (getppid() == ppid)
+ usleep(1000);
+
+ return getppid() == ppid;
+}
+
+/*
+ * A simple test for the cgroup freezer: populated the cgroup with 100
+ * running processes and freeze it. Then unfreeze it. Then it kills all
+ * processes and destroys the cgroup.
+ */
+static int test_cgfreezer_simple(const char *root)
+{
+ int ret = KSFT_FAIL;
+ char *cgroup = NULL;
+ int i;
+
+ cgroup = cg_name(root, "cg_test_simple");
+ if (!cgroup)
+ goto cleanup;
+
+ if (cg_create(cgroup))
+ goto cleanup;
+
+ for (i = 0; i < 100; i++)
+ cg_run_nowait(cgroup, child_fn, NULL);
+
+ if (cg_wait_for_proc_count(cgroup, 100))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup, false))
+ goto cleanup;
+
+ if (cg_freeze_wait(cgroup, true))
+ goto cleanup;
+
+ if (cg_freeze_wait(cgroup, false))
+ goto cleanup;
+
+ ret = KSFT_PASS;
+
+cleanup:
+ if (cgroup)
+ cg_destroy(cgroup);
+ free(cgroup);
+ return ret;
+}
+
+/*
+ * The test creates the following hierarchy:
+ * A
+ * / / \ \
+ * B E I K
+ * /\ |
+ * C D F
+ * |
+ * G
+ * |
+ * H
+ *
+ * with a process in C, H and 3 processes in K.
+ * Then it tries to freeze and unfreeze the whole tree.
+ */
+static int test_cgfreezer_tree(const char *root)
+{
+ char *cgroup[10] = {0};
+ int ret = KSFT_FAIL;
+ int i;
+
+ cgroup[0] = cg_name(root, "cg_test_tree_A");
+ if (!cgroup[0])
+ goto cleanup;
+
+ cgroup[1] = cg_name(cgroup[0], "B");
+ if (!cgroup[1])
+ goto cleanup;
+
+ cgroup[2] = cg_name(cgroup[1], "C");
+ if (!cgroup[2])
+ goto cleanup;
+
+ cgroup[3] = cg_name(cgroup[1], "D");
+ if (!cgroup[3])
+ goto cleanup;
+
+ cgroup[4] = cg_name(cgroup[0], "E");
+ if (!cgroup[4])
+ goto cleanup;
+
+ cgroup[5] = cg_name(cgroup[4], "F");
+ if (!cgroup[5])
+ goto cleanup;
+
+ cgroup[6] = cg_name(cgroup[5], "G");
+ if (!cgroup[6])
+ goto cleanup;
+
+ cgroup[7] = cg_name(cgroup[6], "H");
+ if (!cgroup[7])
+ goto cleanup;
+
+ cgroup[8] = cg_name(cgroup[0], "I");
+ if (!cgroup[8])
+ goto cleanup;
+
+ cgroup[9] = cg_name(cgroup[0], "K");
+ if (!cgroup[9])
+ goto cleanup;
+
+ for (i = 0; i < 10; i++)
+ if (cg_create(cgroup[i]))
+ goto cleanup;
+
+ cg_run_nowait(cgroup[2], child_fn, NULL);
+ cg_run_nowait(cgroup[7], child_fn, NULL);
+ cg_run_nowait(cgroup[9], child_fn, NULL);
+ cg_run_nowait(cgroup[9], child_fn, NULL);
+ cg_run_nowait(cgroup[9], child_fn, NULL);
+
+ /*
+ * Wait until all child processes will enter
+ * corresponding cgroups.
+ */
+
+ if (cg_wait_for_proc_count(cgroup[2], 1) ||
+ cg_wait_for_proc_count(cgroup[7], 1) ||
+ cg_wait_for_proc_count(cgroup[9], 3))
+ goto cleanup;
+
+ /*
+ * Freeze B.
+ */
+ if (cg_freeze_wait(cgroup[1], true))
+ goto cleanup;
+
+ /*
+ * Freeze F.
+ */
+ if (cg_freeze_wait(cgroup[5], true))
+ goto cleanup;
+
+ /*
+ * Freeze G.
+ */
+ if (cg_freeze_wait(cgroup[6], true))
+ goto cleanup;
+
+ /*
+ * Check that A and E are not frozen.
+ */
+ if (cg_check_frozen(cgroup[0], false))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup[4], false))
+ goto cleanup;
+
+ /*
+ * Freeze A. Check that A, B and E are frozen.
+ */
+ if (cg_freeze_wait(cgroup[0], true))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup[1], true))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup[4], true))
+ goto cleanup;
+
+ /*
+ * Unfreeze B, F and G
+ */
+ if (cg_freeze_nowait(cgroup[1], false))
+ goto cleanup;
+
+ if (cg_freeze_nowait(cgroup[5], false))
+ goto cleanup;
+
+ if (cg_freeze_nowait(cgroup[6], false))
+ goto cleanup;
+
+ /*
+ * Check that C and H are still frozen.
+ */
+ if (cg_check_frozen(cgroup[2], true))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup[7], true))
+ goto cleanup;
+
+ /*
+ * Unfreeze A. Check that A, C and K are not frozen.
+ */
+ if (cg_freeze_wait(cgroup[0], false))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup[2], false))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup[9], false))
+ goto cleanup;
+
+ ret = KSFT_PASS;
+
+cleanup:
+ for (i = 9; i >= 0 && cgroup[i]; i--) {
+ cg_destroy(cgroup[i]);
+ free(cgroup[i]);
+ }
+
+ return ret;
+}
+
+/*
+ * A fork bomb emulator.
+ */
+static int forkbomb_fn(const char *cgroup, void *arg)
+{
+ int ppid;
+
+ fork();
+ fork();
+
+ ppid = getppid();
+
+ while (getppid() == ppid)
+ usleep(1000);
+
+ return getppid() == ppid;
+}
+
+/*
+ * The test runs a fork bomb in a cgroup and tries to freeze it.
+ * Then it kills all processes and checks that cgroup isn't populated
+ * anymore.
+ */
+static int test_cgfreezer_forkbomb(const char *root)
+{
+ int ret = KSFT_FAIL;
+ char *cgroup = NULL;
+
+ cgroup = cg_name(root, "cg_forkbomb_test");
+ if (!cgroup)
+ goto cleanup;
+
+ if (cg_create(cgroup))
+ goto cleanup;
+
+ cg_run_nowait(cgroup, forkbomb_fn, NULL);
+
+ usleep(100000);
+
+ if (cg_freeze_wait(cgroup, true))
+ goto cleanup;
+
+ if (cg_killall(cgroup))
+ goto cleanup;
+
+ if (cg_wait_for_proc_count(cgroup, 0))
+ goto cleanup;
+
+ ret = KSFT_PASS;
+
+cleanup:
+ if (cgroup)
+ cg_destroy(cgroup);
+ free(cgroup);
+ return ret;
+}
+
+/*
+ * The test creates two nested cgroups, freezes the parent
+ * and removes the child. Then it checks that the parent cgroup
+ * remains frozen and it's possible to create a new child
+ * without unfreezing. The new child is frozen too.
+ */
+static int test_cgfreezer_rmdir(const char *root)
+{
+ int ret = KSFT_FAIL;
+ char *parent, *child = NULL;
+
+ parent = cg_name(root, "cg_test_rmdir_A");
+ if (!parent)
+ goto cleanup;
+
+ child = cg_name(parent, "cg_test_rmdir_B");
+ if (!child)
+ goto cleanup;
+
+ if (cg_create(parent))
+ goto cleanup;
+
+ if (cg_create(child))
+ goto cleanup;
+
+ if (cg_freeze_wait(parent, true))
+ goto cleanup;
+
+ if (cg_destroy(child))
+ goto cleanup;
+
+ if (cg_check_frozen(parent, true))
+ goto cleanup;
+
+ if (cg_create(child))
+ goto cleanup;
+
+ if (cg_check_frozen(child, true))
+ goto cleanup;
+
+ ret = KSFT_PASS;
+
+cleanup:
+ if (child)
+ cg_destroy(child);
+ free(child);
+ if (parent)
+ cg_destroy(parent);
+ free(parent);
+ return ret;
+}
+
+/*
+ * The test creates two cgroups: A and B, runs a process in A
+ * and performs several migrations:
+ * 1) A (running) -> B (frozen)
+ * 2) B (frozen) -> A (running)
+ * 3) A (frozen) -> B (frozen)
+ *
+ * On each step it checks the actual state of both cgroups.
+ */
+static int test_cgfreezer_migrate(const char *root)
+{
+ int ret = KSFT_FAIL;
+ char *cgroup[2] = {0};
+ int pid;
+
+ cgroup[0] = cg_name(root, "cg_test_migrate_A");
+ if (!cgroup[0])
+ goto cleanup;
+
+ cgroup[1] = cg_name(root, "cg_test_migrate_B");
+ if (!cgroup[1])
+ goto cleanup;
+
+ if (cg_create(cgroup[0]))
+ goto cleanup;
+
+ if (cg_create(cgroup[1]))
+ goto cleanup;
+
+ pid = cg_run_nowait(cgroup[0], child_fn, NULL);
+ if (pid < 0)
+ goto cleanup;
+
+ if (cg_wait_for_proc_count(cgroup[0], 1))
+ goto cleanup;
+
+ /*
+ * Migrate from A (running) to B (frozen)
+ */
+ if (cg_freeze_wait(cgroup[1], true))
+ goto cleanup;
+
+ if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup[0], false))
+ goto cleanup;
+
+ /*
+ * Migrate from B (frozen) to A (running)
+ */
+ if (cg_enter_and_wait_for_frozen(cgroup[0], pid, false))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup[1], true))
+ goto cleanup;
+
+ /*
+ * Migrate from A (frozen) to B (frozen)
+ */
+ if (cg_freeze_wait(cgroup[0], true))
+ goto cleanup;
+
+ if (cg_enter_and_wait_for_frozen(cgroup[1], pid, true))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup[0], true))
+ goto cleanup;
+
+ ret = KSFT_PASS;
+
+cleanup:
+ if (cgroup[0])
+ cg_destroy(cgroup[0]);
+ free(cgroup[0]);
+ if (cgroup[1])
+ cg_destroy(cgroup[1]);
+ free(cgroup[1]);
+ return ret;
+}
+
+/*
+ * The test checks that ptrace works with a tracing process in a frozen cgroup.
+ */
+static int test_cgfreezer_ptrace(const char *root)
+{
+ int ret = KSFT_FAIL;
+ char *cgroup = NULL;
+ siginfo_t siginfo;
+ int pid;
+
+ cgroup = cg_name(root, "cg_test_ptrace");
+ if (!cgroup)
+ goto cleanup;
+
+ if (cg_create(cgroup))
+ goto cleanup;
+
+ pid = cg_run_nowait(cgroup, child_fn, NULL);
+ if (pid < 0)
+ goto cleanup;
+
+ if (cg_wait_for_proc_count(cgroup, 1))
+ goto cleanup;
+
+ if (cg_freeze_wait(cgroup, true))
+ goto cleanup;
+
+ if (ptrace(PTRACE_SEIZE, pid, NULL, NULL))
+ goto cleanup;
+
+ if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL))
+ goto cleanup;
+
+ waitpid(pid, NULL, 0);
+
+ /*
+ * Cgroup has to remain frozen, however the test task
+ * is in traced state.
+ */
+ if (cg_check_frozen(cgroup, true))
+ goto cleanup;
+
+ if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo))
+ goto cleanup;
+
+ if (ptrace(PTRACE_DETACH, pid, NULL, NULL))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup, true))
+ goto cleanup;
+
+ ret = KSFT_PASS;
+
+cleanup:
+ if (cgroup)
+ cg_destroy(cgroup);
+ free(cgroup);
+ return ret;
+}
+
+/*
+ * Check if the process is stopped.
+ */
+static int proc_check_stopped(int pid)
+{
+ char buf[PAGE_SIZE];
+ int len;
+
+ len = proc_read_text(pid, "stat", buf, sizeof(buf));
+ if (len == -1) {
+ debug("Can't get %d stat\n", pid);
+ return -1;
+ }
+
+ if (strstr(buf, "(test_freezer) T ") == NULL) {
+ debug("Process %d in the unexpected state: %s\n", pid, buf);
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * Test that it's possible to freeze a cgroup with a stopped process.
+ */
+static int test_cgfreezer_stopped(const char *root)
+{
+ int pid, ret = KSFT_FAIL;
+ char *cgroup = NULL;
+
+ cgroup = cg_name(root, "cg_test_stopped");
+ if (!cgroup)
+ goto cleanup;
+
+ if (cg_create(cgroup))
+ goto cleanup;
+
+ pid = cg_run_nowait(cgroup, child_fn, NULL);
+
+ if (cg_wait_for_proc_count(cgroup, 1))
+ goto cleanup;
+
+ if (kill(pid, SIGSTOP))
+ goto cleanup;
+
+ if (cg_check_frozen(cgroup, false))
+ goto cleanup;
+
+ if (cg_freeze_wait(cgroup, true))
+ goto cleanup;
+
+ if (cg_freeze_wait(cgroup, false))
+ goto cleanup;
+
+ if (proc_check_stopped(pid))
+ goto cleanup;
+
+ ret = KSFT_PASS;
+
+cleanup:
+ if (cgroup)
+ cg_destroy(cgroup);
+ free(cgroup);
+ return ret;
+}
+
+/*
+ * Test that it's possible to freeze a cgroup with a ptraced process.
+ */
+static int test_cgfreezer_ptraced(const char *root)
+{
+ int pid, ret = KSFT_FAIL;
+ char *cgroup = NULL;
+ siginfo_t siginfo;
+
+ cgroup = cg_name(root, "cg_test_ptraced");
+ if (!cgroup)
+ goto cleanup;
+
+ if (cg_create(cgroup))
+ goto cleanup;
+
+ pid = cg_run_nowait(cgroup, child_fn, NULL);
+
+ if (cg_wait_for_proc_count(cgroup, 1))
+ goto cleanup;
+
+ if (ptrace(PTRACE_SEIZE, pid, NULL, NULL))
+ goto cleanup;
+
+ if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL))
+ goto cleanup;
+
+ waitpid(pid, NULL, 0);
+
+ if (cg_check_frozen(cgroup, false))
+ goto cleanup;
+
+ if (cg_freeze_wait(cgroup, true))
+ goto cleanup;
+
+ /*
+ * cg_check_frozen(cgroup, true) will fail here,
+ * because the task in in the TRACEd state.
+ */
+ if (cg_freeze_wait(cgroup, false))
+ goto cleanup;
+
+ if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo))
+ goto cleanup;
+
+ if (ptrace(PTRACE_DETACH, pid, NULL, NULL))
+ goto cleanup;
+
+ ret = KSFT_PASS;
+
+cleanup:
+ if (cgroup)
+ cg_destroy(cgroup);
+ free(cgroup);
+ return ret;
+}
+
+static int vfork_fn(const char *cgroup, void *arg)
+{
+ int pid = vfork();
+
+ if (pid == 0)
+ while (true)
+ sleep(1);
+
+ return pid;
+}
+
+/*
+ * Test that it's possible to freeze a cgroup with a process,
+ * which called vfork() and is waiting for a child.
+ */
+static int test_cgfreezer_vfork(const char *root)
+{
+ int ret = KSFT_FAIL;
+ char *cgroup = NULL;
+
+ cgroup = cg_name(root, "cg_test_vfork");
+ if (!cgroup)
+ goto cleanup;
+
+ if (cg_create(cgroup))
+ goto cleanup;
+
+ cg_run_nowait(cgroup, vfork_fn, NULL);
+
+ if (cg_wait_for_proc_count(cgroup, 2))
+ goto cleanup;
+
+ if (cg_freeze_wait(cgroup, true))
+ goto cleanup;
+
+ ret = KSFT_PASS;
+
+cleanup:
+ if (cgroup)
+ cg_destroy(cgroup);
+ free(cgroup);
+ return ret;
+}
+
+#define T(x) { x, #x }
+struct cgfreezer_test {
+ int (*fn)(const char *root);
+ const char *name;
+} tests[] = {
+ T(test_cgfreezer_simple),
+ T(test_cgfreezer_tree),
+ T(test_cgfreezer_forkbomb),
+ T(test_cgfreezer_rmdir),
+ T(test_cgfreezer_migrate),
+ T(test_cgfreezer_ptrace),
+ T(test_cgfreezer_stopped),
+ T(test_cgfreezer_ptraced),
+ T(test_cgfreezer_vfork),
+};
+#undef T
+
+int main(int argc, char *argv[])
+{
+ char root[PATH_MAX];
+ int i, ret = EXIT_SUCCESS;
+
+ if (cg_find_unified_root(root, sizeof(root)))
+ ksft_exit_skip("cgroup v2 isn't mounted\n");
+ for (i = 0; i < ARRAY_SIZE(tests); i++) {
+ switch (tests[i].fn(root)) {
+ case KSFT_PASS:
+ ksft_test_result_pass("%s\n", tests[i].name);
+ break;
+ case KSFT_SKIP:
+ ksft_test_result_skip("%s\n", tests[i].name);
+ break;
+ default:
+ ret = EXIT_FAILURE;
+ ksft_test_result_fail("%s\n", tests[i].name);
+ break;
+ }
+ }
+
+ return ret;
+}
diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
index 28d321ba311b..c19a97dd02d4 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -26,7 +26,7 @@
*/
static int test_memcg_subtree_control(const char *root)
{
- char *parent, *child, *parent2, *child2;
+ char *parent, *child, *parent2 = NULL, *child2 = NULL;
int ret = KSFT_FAIL;
char buf[PAGE_SIZE];
@@ -34,50 +34,54 @@ static int test_memcg_subtree_control(const char *root)
parent = cg_name(root, "memcg_test_0");
child = cg_name(root, "memcg_test_0/memcg_test_1");
if (!parent || !child)
- goto cleanup;
+ goto cleanup_free;
if (cg_create(parent))
- goto cleanup;
+ goto cleanup_free;
if (cg_write(parent, "cgroup.subtree_control", "+memory"))
- goto cleanup;
+ goto cleanup_parent;
if (cg_create(child))
- goto cleanup;
+ goto cleanup_parent;
if (cg_read_strstr(child, "cgroup.controllers", "memory"))
- goto cleanup;
+ goto cleanup_child;
/* Create two nested cgroups without enabling memory controller */
parent2 = cg_name(root, "memcg_test_1");
child2 = cg_name(root, "memcg_test_1/memcg_test_1");
if (!parent2 || !child2)
- goto cleanup;
+ goto cleanup_free2;
if (cg_create(parent2))
- goto cleanup;
+ goto cleanup_free2;
if (cg_create(child2))
- goto cleanup;
+ goto cleanup_parent2;
if (cg_read(child2, "cgroup.controllers", buf, sizeof(buf)))
- goto cleanup;
+ goto cleanup_all;
if (!cg_read_strstr(child2, "cgroup.controllers", "memory"))
- goto cleanup;
+ goto cleanup_all;
ret = KSFT_PASS;
-cleanup:
- cg_destroy(child);
- cg_destroy(parent);
- free(parent);
- free(child);
-
+cleanup_all:
cg_destroy(child2);
+cleanup_parent2:
cg_destroy(parent2);
+cleanup_free2:
free(parent2);
free(child2);
+cleanup_child:
+ cg_destroy(child);
+cleanup_parent:
+ cg_destroy(parent);
+cleanup_free:
+ free(parent);
+ free(child);
return ret;
}
@@ -1201,6 +1205,10 @@ int main(int argc, char **argv)
if (cg_read_strstr(root, "cgroup.controllers", "memory"))
ksft_exit_skip("memory controller isn't available\n");
+ if (cg_read_strstr(root, "cgroup.subtree_control", "memory"))
+ if (cg_write(root, "cgroup.subtree_control", "+memory"))
+ ksft_exit_skip("Failed to set memory controller\n");
+
for (i = 0; i < ARRAY_SIZE(tests); i++) {
switch (tests[i].fn(root)) {
case KSFT_PASS:
diff --git a/tools/testing/selftests/drivers/.gitignore b/tools/testing/selftests/drivers/.gitignore
new file mode 100644
index 000000000000..f6aebcc27b76
--- /dev/null
+++ b/tools/testing/selftests/drivers/.gitignore
@@ -0,0 +1 @@
+/dma-buf/udmabuf
diff --git a/tools/testing/selftests/drivers/dma-buf/Makefile b/tools/testing/selftests/drivers/dma-buf/Makefile
index f22c3f7cf612..79cb16b4e01a 100644
--- a/tools/testing/selftests/drivers/dma-buf/Makefile
+++ b/tools/testing/selftests/drivers/dma-buf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS += -I../../../../../usr/include/
TEST_GEN_PROGS := udmabuf
diff --git a/tools/testing/selftests/drivers/dma-buf/config b/tools/testing/selftests/drivers/dma-buf/config
new file mode 100644
index 000000000000..d708515cff1b
--- /dev/null
+++ b/tools/testing/selftests/drivers/dma-buf/config
@@ -0,0 +1 @@
+CONFIG_UDMABUF=y
diff --git a/tools/testing/selftests/drivers/net/mlxsw/blackhole_routes.sh b/tools/testing/selftests/drivers/net/mlxsw/blackhole_routes.sh
new file mode 100755
index 000000000000..5ba5bef44d5b
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/blackhole_routes.sh
@@ -0,0 +1,200 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Test that blackhole routes are marked as offloaded and that packets hitting
+# them are dropped by the ASIC and not by the kernel.
+#
+# +---------------------------------+
+# | H1 (vrf) |
+# | + $h1 |
+# | | 192.0.2.1/24 |
+# | | 2001:db8:1::1/64 |
+# | | |
+# | | default via 192.0.2.2 |
+# | | default via 2001:db8:1::2 |
+# +----|----------------------------+
+# |
+# +----|----------------------------------------------------------------------+
+# | SW | |
+# | + $rp1 |
+# | 192.0.2.2/24 |
+# | 2001:db8:1::2/64 |
+# | |
+# | 2001:db8:2::2/64 |
+# | 198.51.100.2/24 |
+# | + $rp2 |
+# | | |
+# +----|----------------------------------------------------------------------+
+# |
+# +----|----------------------------+
+# | | default via 198.51.100.2 |
+# | | default via 2001:db8:2::2 |
+# | | |
+# | | 2001:db8:2::1/64 |
+# | | 198.51.100.1/24 |
+# | + $h2 |
+# | H2 (vrf) |
+# +---------------------------------+
+
+lib_dir=$(dirname $0)/../../../net/forwarding
+
+ALL_TESTS="
+ ping_ipv4
+ ping_ipv6
+ blackhole_ipv4
+ blackhole_ipv6
+"
+NUM_NETIFS=4
+source $lib_dir/tc_common.sh
+source $lib_dir/lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64
+
+ ip -4 route add default vrf v$h1 nexthop via 192.0.2.2
+ ip -6 route add default vrf v$h1 nexthop via 2001:db8:1::2
+}
+
+h1_destroy()
+{
+ ip -6 route del default vrf v$h1 nexthop via 2001:db8:1::2
+ ip -4 route del default vrf v$h1 nexthop via 192.0.2.2
+
+ simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64
+}
+
+h2_create()
+{
+ simple_if_init $h2 198.51.100.1/24 2001:db8:2::1/64
+
+ ip -4 route add default vrf v$h2 nexthop via 198.51.100.2
+ ip -6 route add default vrf v$h2 nexthop via 2001:db8:2::2
+}
+
+h2_destroy()
+{
+ ip -6 route del default vrf v$h2 nexthop via 2001:db8:2::2
+ ip -4 route del default vrf v$h2 nexthop via 198.51.100.2
+
+ simple_if_fini $h2 198.51.100.1/24 2001:db8:2::1/64
+}
+
+router_create()
+{
+ ip link set dev $rp1 up
+ ip link set dev $rp2 up
+
+ tc qdisc add dev $rp1 clsact
+
+ __addr_add_del $rp1 add 192.0.2.2/24 2001:db8:1::2/64
+ __addr_add_del $rp2 add 198.51.100.2/24 2001:db8:2::2/64
+}
+
+router_destroy()
+{
+ __addr_add_del $rp2 del 198.51.100.2/24 2001:db8:2::2/64
+ __addr_add_del $rp1 del 192.0.2.2/24 2001:db8:1::2/64
+
+ tc qdisc del dev $rp1 clsact
+
+ ip link set dev $rp2 down
+ ip link set dev $rp1 down
+}
+
+ping_ipv4()
+{
+ ping_test $h1 198.51.100.1 ": h1->h2"
+}
+
+ping_ipv6()
+{
+ ping6_test $h1 2001:db8:2::1 ": h1->h2"
+}
+
+blackhole_ipv4()
+{
+ # Transmit packets from H1 to H2 and make sure they are dropped by the
+ # ASIC and not by the kernel
+ RET=0
+
+ ip -4 route add blackhole 198.51.100.0/30
+ tc filter add dev $rp1 ingress protocol ip pref 1 handle 101 flower \
+ skip_hw dst_ip 198.51.100.1 src_ip 192.0.2.1 ip_proto icmp \
+ action pass
+
+ ip -4 route show 198.51.100.0/30 | grep -q offload
+ check_err $? "route not marked as offloaded when should"
+
+ ping_do $h1 198.51.100.1
+ check_fail $? "ping passed when should not"
+
+ tc_check_packets "dev $rp1 ingress" 101 0
+ check_err $? "packets trapped and not dropped by ASIC"
+
+ log_test "IPv4 blackhole route"
+
+ tc filter del dev $rp1 ingress protocol ip pref 1 handle 101 flower
+ ip -4 route del blackhole 198.51.100.0/30
+}
+
+blackhole_ipv6()
+{
+ RET=0
+
+ ip -6 route add blackhole 2001:db8:2::/120
+ tc filter add dev $rp1 ingress protocol ipv6 pref 1 handle 101 flower \
+ skip_hw dst_ip 2001:db8:2::1 src_ip 2001:db8:1::1 \
+ ip_proto icmpv6 action pass
+
+ ip -6 route show 2001:db8:2::/120 | grep -q offload
+ check_err $? "route not marked as offloaded when should"
+
+ ping6_do $h1 2001:db8:2::1
+ check_fail $? "ping passed when should not"
+
+ tc_check_packets "dev $rp1 ingress" 101 0
+ check_err $? "packets trapped and not dropped by ASIC"
+
+ log_test "IPv6 blackhole route"
+
+ tc filter del dev $rp1 ingress protocol ipv6 pref 1 handle 101 flower
+ ip -6 route del blackhole 2001:db8:2::/120
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ rp1=${NETIFS[p2]}
+
+ rp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ vrf_prepare
+ forwarding_enable
+
+ h1_create
+ h2_create
+ router_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ router_destroy
+ h2_destroy
+ h1_destroy
+
+ forwarding_restore
+ vrf_cleanup
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/drivers/net/mlxsw/fib_offload.sh b/tools/testing/selftests/drivers/net/mlxsw/fib_offload.sh
new file mode 100755
index 000000000000..e99ae500f387
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/fib_offload.sh
@@ -0,0 +1,349 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Test unicast FIB offload indication.
+
+lib_dir=$(dirname $0)/../../../net/forwarding
+
+ALL_TESTS="
+ ipv6_route_add
+ ipv6_route_replace
+ ipv6_route_nexthop_group_share
+ ipv6_route_rate
+"
+NUM_NETIFS=4
+source $lib_dir/lib.sh
+source $lib_dir/devlink_lib.sh
+
+tor1_create()
+{
+ simple_if_init $tor1_p1 2001:db8:1::2/128 2001:db8:1::3/128
+}
+
+tor1_destroy()
+{
+ simple_if_fini $tor1_p1 2001:db8:1::2/128 2001:db8:1::3/128
+}
+
+tor2_create()
+{
+ simple_if_init $tor2_p1 2001:db8:2::2/128 2001:db8:2::3/128
+}
+
+tor2_destroy()
+{
+ simple_if_fini $tor2_p1 2001:db8:2::2/128 2001:db8:2::3/128
+}
+
+spine_create()
+{
+ ip link set dev $spine_p1 up
+ ip link set dev $spine_p2 up
+
+ __addr_add_del $spine_p1 add 2001:db8:1::1/64
+ __addr_add_del $spine_p2 add 2001:db8:2::1/64
+}
+
+spine_destroy()
+{
+ __addr_add_del $spine_p2 del 2001:db8:2::1/64
+ __addr_add_del $spine_p1 del 2001:db8:1::1/64
+
+ ip link set dev $spine_p2 down
+ ip link set dev $spine_p1 down
+}
+
+ipv6_offload_check()
+{
+ local pfx="$1"; shift
+ local expected_num=$1; shift
+ local num
+
+ # Try to avoid races with route offload
+ sleep .1
+
+ num=$(ip -6 route show match ${pfx} | grep "offload" | wc -l)
+
+ if [ $num -eq $expected_num ]; then
+ return 0
+ fi
+
+ return 1
+}
+
+ipv6_route_add_prefix()
+{
+ RET=0
+
+ # Add a prefix route and check that it is offloaded.
+ ip -6 route add 2001:db8:3::/64 dev $spine_p1 metric 100
+ ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 100" 1
+ check_err $? "prefix route not offloaded"
+
+ # Append an identical prefix route with an higher metric and check that
+ # offload indication did not change.
+ ip -6 route append 2001:db8:3::/64 dev $spine_p1 metric 200
+ ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 100" 1
+ check_err $? "lowest metric not offloaded after append"
+ ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 200" 0
+ check_err $? "highest metric offloaded when should not"
+
+ # Prepend an identical prefix route with lower metric and check that
+ # it is offloaded and the others are not.
+ ip -6 route append 2001:db8:3::/64 dev $spine_p1 metric 10
+ ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 10" 1
+ check_err $? "lowest metric not offloaded after prepend"
+ ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 100" 0
+ check_err $? "mid metric offloaded when should not"
+ ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 200" 0
+ check_err $? "highest metric offloaded when should not"
+
+ # Delete the routes and add the same route with a different nexthop
+ # device. Check that it is offloaded.
+ ip -6 route flush 2001:db8:3::/64 dev $spine_p1
+ ip -6 route add 2001:db8:3::/64 dev $spine_p2
+ ipv6_offload_check "2001:db8:3::/64 dev $spine_p2" 1
+
+ log_test "IPv6 prefix route add"
+
+ ip -6 route flush 2001:db8:3::/64
+}
+
+ipv6_route_add_mpath()
+{
+ RET=0
+
+ # Add a multipath route and check that it is offloaded.
+ ip -6 route add 2001:db8:3::/64 metric 100 \
+ nexthop via 2001:db8:1::2 dev $spine_p1 \
+ nexthop via 2001:db8:2::2 dev $spine_p2
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 2
+ check_err $? "multipath route not offloaded when should"
+
+ # Append another nexthop and check that it is offloaded as well.
+ ip -6 route append 2001:db8:3::/64 metric 100 \
+ nexthop via 2001:db8:1::3 dev $spine_p1
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 3
+ check_err $? "appended nexthop not offloaded when should"
+
+ # Mimic route replace by removing the route and adding it back with
+ # only two nexthops.
+ ip -6 route del 2001:db8:3::/64
+ ip -6 route add 2001:db8:3::/64 metric 100 \
+ nexthop via 2001:db8:1::2 dev $spine_p1 \
+ nexthop via 2001:db8:2::2 dev $spine_p2
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 2
+ check_err $? "multipath route not offloaded after delete & add"
+
+ # Append a nexthop with an higher metric and check that the offload
+ # indication did not change.
+ ip -6 route append 2001:db8:3::/64 metric 200 \
+ nexthop via 2001:db8:1::3 dev $spine_p1
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 2
+ check_err $? "lowest metric not offloaded after append"
+ ipv6_offload_check "2001:db8:3::/64 metric 200" 0
+ check_err $? "highest metric offloaded when should not"
+
+ # Prepend a nexthop with a lower metric and check that it is offloaded
+ # and the others are not.
+ ip -6 route append 2001:db8:3::/64 metric 10 \
+ nexthop via 2001:db8:1::3 dev $spine_p1
+ ipv6_offload_check "2001:db8:3::/64 metric 10" 1
+ check_err $? "lowest metric not offloaded after prepend"
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 0
+ check_err $? "mid metric offloaded when should not"
+ ipv6_offload_check "2001:db8:3::/64 metric 200" 0
+ check_err $? "highest metric offloaded when should not"
+
+ log_test "IPv6 multipath route add"
+
+ ip -6 route flush 2001:db8:3::/64
+}
+
+ipv6_route_add()
+{
+ ipv6_route_add_prefix
+ ipv6_route_add_mpath
+}
+
+ipv6_route_replace()
+{
+ RET=0
+
+ # Replace prefix route with prefix route.
+ ip -6 route add 2001:db8:3::/64 metric 100 dev $spine_p1
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 1
+ check_err $? "prefix route not offloaded when should"
+ ip -6 route replace 2001:db8:3::/64 metric 100 dev $spine_p2
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 1
+ check_err $? "prefix route not offloaded after replace"
+
+ # Replace prefix route with multipath route.
+ ip -6 route replace 2001:db8:3::/64 metric 100 \
+ nexthop via 2001:db8:1::2 dev $spine_p1 \
+ nexthop via 2001:db8:2::2 dev $spine_p2
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 2
+ check_err $? "multipath route not offloaded after replace"
+
+ # Replace multipath route with prefix route. A prefix route cannot
+ # replace a multipath route, so it is appended.
+ ip -6 route replace 2001:db8:3::/64 metric 100 dev $spine_p1
+ ipv6_offload_check "2001:db8:3::/64 metric 100 dev $spine_p1" 0
+ check_err $? "prefix route offloaded after 'replacing' multipath route"
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 2
+ check_err $? "multipath route not offloaded after being 'replaced' by prefix route"
+
+ # Replace multipath route with multipath route.
+ ip -6 route replace 2001:db8:3::/64 metric 100 \
+ nexthop via 2001:db8:1::3 dev $spine_p1 \
+ nexthop via 2001:db8:2::3 dev $spine_p2
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 2
+ check_err $? "multipath route not offloaded after replacing multipath route"
+
+ # Replace a non-existing multipath route with a multipath route and
+ # check that it is appended and not offloaded.
+ ip -6 route replace 2001:db8:3::/64 metric 200 \
+ nexthop via 2001:db8:1::3 dev $spine_p1 \
+ nexthop via 2001:db8:2::3 dev $spine_p2
+ ipv6_offload_check "2001:db8:3::/64 metric 100" 2
+ check_err $? "multipath route not offloaded after non-existing route was 'replaced'"
+ ipv6_offload_check "2001:db8:3::/64 metric 200" 0
+ check_err $? "multipath route offloaded after 'replacing' non-existing route"
+
+ log_test "IPv6 route replace"
+
+ ip -6 route flush 2001:db8:3::/64
+}
+
+ipv6_route_nexthop_group_share()
+{
+ RET=0
+
+ # The driver consolidates identical nexthop groups in order to reduce
+ # the resource usage in its adjacency table. Check that the deletion
+ # of one multipath route using the group does not affect the other.
+ ip -6 route add 2001:db8:3::/64 \
+ nexthop via 2001:db8:1::2 dev $spine_p1 \
+ nexthop via 2001:db8:2::2 dev $spine_p2
+ ip -6 route add 2001:db8:4::/64 \
+ nexthop via 2001:db8:1::2 dev $spine_p1 \
+ nexthop via 2001:db8:2::2 dev $spine_p2
+ ipv6_offload_check "2001:db8:3::/64" 2
+ check_err $? "multipath route not offloaded when should"
+ ipv6_offload_check "2001:db8:4::/64" 2
+ check_err $? "multipath route not offloaded when should"
+ ip -6 route del 2001:db8:3::/64
+ ipv6_offload_check "2001:db8:4::/64" 2
+ check_err $? "multipath route not offloaded after deletion of route sharing the nexthop group"
+
+ # Check that after unsharing a nexthop group the routes are still
+ # marked as offloaded.
+ ip -6 route add 2001:db8:3::/64 \
+ nexthop via 2001:db8:1::2 dev $spine_p1 \
+ nexthop via 2001:db8:2::2 dev $spine_p2
+ ip -6 route del 2001:db8:4::/64 \
+ nexthop via 2001:db8:1::2 dev $spine_p1
+ ipv6_offload_check "2001:db8:4::/64" 1
+ check_err $? "singlepath route not offloaded after unsharing the nexthop group"
+ ipv6_offload_check "2001:db8:3::/64" 2
+ check_err $? "multipath route not offloaded after unsharing the nexthop group"
+
+ log_test "IPv6 nexthop group sharing"
+
+ ip -6 route flush 2001:db8:3::/64
+ ip -6 route flush 2001:db8:4::/64
+}
+
+ipv6_route_rate()
+{
+ local batch_dir=$(mktemp -d)
+ local num_rts=$((40 * 1024))
+ local num_nhs=16
+ local total
+ local start
+ local diff
+ local end
+ local nhs
+ local i
+
+ RET=0
+
+ # Prepare 40K /64 multipath routes with 16 nexthops each and check how
+ # long it takes to add them. A limit of 60 seconds is set. It is much
+ # higher than insertion should take and meant to flag a serious
+ # regression.
+ total=$((nums_nhs * num_rts))
+
+ for i in $(seq 1 $num_nhs); do
+ ip -6 address add 2001:db8:1::10:$i/128 dev $tor1_p1
+ nexthops+=" nexthop via 2001:db8:1::10:$i dev $spine_p1"
+ done
+
+ for i in $(seq 1 $num_rts); do
+ echo "route add 2001:db8:8:$(printf "%x" $i)::/64$nexthops" \
+ >> $batch_dir/add.batch
+ echo "route del 2001:db8:8:$(printf "%x" $i)::/64$nexthops" \
+ >> $batch_dir/del.batch
+ done
+
+ start=$(date +%s.%N)
+
+ ip -batch $batch_dir/add.batch
+ count=$(ip -6 route show | grep offload | wc -l)
+ while [ $count -lt $total ]; do
+ sleep .01
+ count=$(ip -6 route show | grep offload | wc -l)
+ done
+
+ end=$(date +%s.%N)
+
+ diff=$(echo "$end - $start" | bc -l)
+ test "$(echo "$diff > 60" | bc -l)" -eq 0
+ check_err $? "route insertion took too long"
+ log_info "inserted $num_rts routes in $diff seconds"
+
+ log_test "IPv6 routes insertion rate"
+
+ ip -batch $batch_dir/del.batch
+ for i in $(seq 1 $num_nhs); do
+ ip -6 address del 2001:db8:1::10:$i/128 dev $tor1_p1
+ done
+ rm -rf $batch_dir
+}
+
+setup_prepare()
+{
+ spine_p1=${NETIFS[p1]}
+ tor1_p1=${NETIFS[p2]}
+
+ spine_p2=${NETIFS[p3]}
+ tor2_p1=${NETIFS[p4]}
+
+ vrf_prepare
+ forwarding_enable
+
+ tor1_create
+ tor2_create
+ spine_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ spine_destroy
+ tor2_destroy
+ tor1_destroy
+
+ forwarding_restore
+ vrf_cleanup
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh
index 1ca631d5aaba..40f16f2a3afd 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_bridge.sh
@@ -148,9 +148,10 @@ dscp_ping_test()
eval "t0s=($(dscp_fetch_stats $dev_10 10)
$(dscp_fetch_stats $dev_20 20))"
+ local ping_timeout=$((PING_TIMEOUT * 5))
ip vrf exec $vrf_name \
${PING} -Q $dscp_10 ${sip:+-I $sip} $dip \
- -c 10 -i 0.1 -w 2 &> /dev/null
+ -c 10 -i 0.5 -w $ping_timeout &> /dev/null
local -A t1s
eval "t1s=($(dscp_fetch_stats $dev_10 10)
diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_router.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_router.sh
index 281d90766e12..9faf02e32627 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_router.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_dscp_router.sh
@@ -169,9 +169,10 @@ dscp_ping_test()
eval "local -A dev1_t0s=($(dscp_fetch_stats $dev1 0))"
eval "local -A dev2_t0s=($(dscp_fetch_stats $dev2 0))"
+ local ping_timeout=$((PING_TIMEOUT * 5))
ip vrf exec $vrf_name \
${PING} -Q $dscp ${sip:+-I $sip} $dip \
- -c 10 -i 0.1 -w 2 &> /dev/null
+ -c 10 -i 0.5 -w $ping_timeout &> /dev/null
eval "local -A dev1_t1s=($(dscp_fetch_stats $dev1 0))"
eval "local -A dev2_t1s=($(dscp_fetch_stats $dev2 0))"
diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh
new file mode 100755
index 000000000000..6d1790b5de7a
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh
@@ -0,0 +1,311 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# A test for strict prioritization of traffic in the switch. Run two streams of
+# traffic, each through a different ingress port, one tagged with PCP of 1, the
+# other with PCP of 2. Both streams converge at one egress port, where they are
+# assigned TC of, respectively, 1 and 2, with strict priority configured between
+# them. In H3, we expect to see (almost) exclusively the high-priority traffic.
+#
+# Please see qos_mc_aware.sh for an explanation of why we use mausezahn and
+# counters instead of just running iperf3.
+#
+# +---------------------------+ +-----------------------------+
+# | H1 | | H2 |
+# | $h1.111 + | | + $h2.222 |
+# | 192.0.2.33/28 | | | | 192.0.2.65/28 |
+# | e-qos-map 0:1 | | | | e-qos-map 0:2 |
+# | | | | | |
+# | $h1 + | | + $h2 |
+# +-----------------|---------+ +---------|-------------------+
+# | |
+# +-----------------|-------------------------------------|-------------------+
+# | $swp1 + + $swp2 |
+# | >1Gbps | | >1Gbps |
+# | +---------------|-----------+ +----------|----------------+ |
+# | | $swp1.111 + | | + $swp2.222 | |
+# | | BR111 | SW | BR222 | |
+# | | $swp3.111 + | | + $swp3.222 | |
+# | +---------------|-----------+ +----------|----------------+ |
+# | \_____________________________________/ |
+# | | |
+# | + $swp3 |
+# | | 1Gbps bottleneck |
+# | | ETS: (up n->tc n for n in 0..7) |
+# | | strict priority |
+# +------------------------------------|--------------------------------------+
+# |
+# +--------------------|--------------------+
+# | + $h3 H3 |
+# | / \ |
+# | / \ |
+# | $h3.111 + + $h3.222 |
+# | 192.0.2.34/28 192.0.2.66/28 |
+# +-----------------------------------------+
+
+ALL_TESTS="
+ ping_ipv4
+ test_ets_strict
+"
+
+lib_dir=$(dirname $0)/../../../net/forwarding
+
+NUM_NETIFS=6
+source $lib_dir/lib.sh
+source $lib_dir/devlink_lib.sh
+source qos_lib.sh
+
+h1_create()
+{
+ simple_if_init $h1
+ mtu_set $h1 10000
+
+ vlan_create $h1 111 v$h1 192.0.2.33/28
+ ip link set dev $h1.111 type vlan egress-qos-map 0:1
+}
+
+h1_destroy()
+{
+ vlan_destroy $h1 111
+
+ mtu_restore $h1
+ simple_if_fini $h1
+}
+
+h2_create()
+{
+ simple_if_init $h2
+ mtu_set $h2 10000
+
+ vlan_create $h2 222 v$h2 192.0.2.65/28
+ ip link set dev $h2.222 type vlan egress-qos-map 0:2
+}
+
+h2_destroy()
+{
+ vlan_destroy $h2 222
+
+ mtu_restore $h2
+ simple_if_fini $h2
+}
+
+h3_create()
+{
+ simple_if_init $h3
+ mtu_set $h3 10000
+
+ vlan_create $h3 111 v$h3 192.0.2.34/28
+ vlan_create $h3 222 v$h3 192.0.2.66/28
+}
+
+h3_destroy()
+{
+ vlan_destroy $h3 222
+ vlan_destroy $h3 111
+
+ mtu_restore $h3
+ simple_if_fini $h3
+}
+
+switch_create()
+{
+ ip link set dev $swp1 up
+ mtu_set $swp1 10000
+
+ ip link set dev $swp2 up
+ mtu_set $swp2 10000
+
+ # prio n -> TC n, strict scheduling
+ lldptool -T -i $swp3 -V ETS-CFG up2tc=0:0,1:1,2:2,3:3,4:4,5:5,6:6,7:7
+ lldptool -T -i $swp3 -V ETS-CFG tsa=$(
+ )"0:strict,"$(
+ )"1:strict,"$(
+ )"2:strict,"$(
+ )"3:strict,"$(
+ )"4:strict,"$(
+ )"5:strict,"$(
+ )"6:strict,"$(
+ )"7:strict"
+ sleep 1
+
+ ip link set dev $swp3 up
+ mtu_set $swp3 10000
+ ethtool -s $swp3 speed 1000 autoneg off
+
+ vlan_create $swp1 111
+ vlan_create $swp2 222
+ vlan_create $swp3 111
+ vlan_create $swp3 222
+
+ ip link add name br111 up type bridge vlan_filtering 0
+ ip link set dev $swp1.111 master br111
+ ip link set dev $swp3.111 master br111
+
+ ip link add name br222 up type bridge vlan_filtering 0
+ ip link set dev $swp2.222 master br222
+ ip link set dev $swp3.222 master br222
+
+ # Make sure that ingress quotas are smaller than egress so that there is
+ # room for both streams of traffic to be admitted to shared buffer.
+ devlink_pool_size_thtype_set 0 dynamic 10000000
+ devlink_pool_size_thtype_set 4 dynamic 10000000
+
+ devlink_port_pool_th_set $swp1 0 6
+ devlink_tc_bind_pool_th_set $swp1 1 ingress 0 6
+
+ devlink_port_pool_th_set $swp2 0 6
+ devlink_tc_bind_pool_th_set $swp2 2 ingress 0 6
+
+ devlink_tc_bind_pool_th_set $swp3 1 egress 4 7
+ devlink_tc_bind_pool_th_set $swp3 2 egress 4 7
+ devlink_port_pool_th_set $swp3 4 7
+}
+
+switch_destroy()
+{
+ devlink_port_pool_th_restore $swp3 4
+ devlink_tc_bind_pool_th_restore $swp3 2 egress
+ devlink_tc_bind_pool_th_restore $swp3 1 egress
+
+ devlink_tc_bind_pool_th_restore $swp2 2 ingress
+ devlink_port_pool_th_restore $swp2 0
+
+ devlink_tc_bind_pool_th_restore $swp1 1 ingress
+ devlink_port_pool_th_restore $swp1 0
+
+ devlink_pool_size_thtype_restore 4
+ devlink_pool_size_thtype_restore 0
+
+ ip link del dev br222
+ ip link del dev br111
+
+ vlan_destroy $swp3 222
+ vlan_destroy $swp3 111
+ vlan_destroy $swp2 222
+ vlan_destroy $swp1 111
+
+ ethtool -s $swp3 autoneg on
+ mtu_restore $swp3
+ ip link set dev $swp3 down
+ lldptool -T -i $swp3 -V ETS-CFG up2tc=0:0,1:0,2:0,3:0,4:0,5:0,6:0,7:0
+
+ mtu_restore $swp2
+ ip link set dev $swp2 down
+
+ mtu_restore $swp1
+ ip link set dev $swp1 down
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+
+ swp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ swp3=${NETIFS[p5]}
+ h3=${NETIFS[p6]}
+
+ h3mac=$(mac_get $h3)
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+ h3_create
+ switch_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ switch_destroy
+ h3_destroy
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+ping_ipv4()
+{
+ ping_test $h1 192.0.2.34 " from H1"
+ ping_test $h2 192.0.2.66 " from H2"
+}
+
+rel()
+{
+ local old=$1; shift
+ local new=$1; shift
+
+ bc <<< "
+ scale=2
+ ret = 100 * $new / $old
+ if (ret > 0) { ret } else { 0 }
+ "
+}
+
+test_ets_strict()
+{
+ RET=0
+
+ # Run high-prio traffic on its own.
+ start_traffic $h2.222 192.0.2.65 192.0.2.66 $h3mac
+ local -a rate_2
+ rate_2=($(measure_rate $swp2 $h3 rx_octets_prio_2 "prio 2"))
+ check_err $? "Could not get high enough prio-2 ingress rate"
+ local rate_2_in=${rate_2[0]}
+ local rate_2_eg=${rate_2[1]}
+ stop_traffic # $h2.222
+
+ # Start low-prio stream.
+ start_traffic $h1.111 192.0.2.33 192.0.2.34 $h3mac
+
+ local -a rate_1
+ rate_1=($(measure_rate $swp1 $h3 rx_octets_prio_1 "prio 1"))
+ check_err $? "Could not get high enough prio-1 ingress rate"
+ local rate_1_in=${rate_1[0]}
+ local rate_1_eg=${rate_1[1]}
+
+ # High-prio and low-prio on their own should have about the same
+ # throughput.
+ local rel21=$(rel $rate_1_eg $rate_2_eg)
+ check_err $(bc <<< "$rel21 < 95")
+ check_err $(bc <<< "$rel21 > 105")
+
+ # Start the high-prio stream--now both streams run.
+ start_traffic $h2.222 192.0.2.65 192.0.2.66 $h3mac
+ rate_3=($(measure_rate $swp2 $h3 rx_octets_prio_2 "prio 2 w/ 1"))
+ check_err $? "Could not get high enough prio-2 ingress rate with prio-1"
+ local rate_3_in=${rate_3[0]}
+ local rate_3_eg=${rate_3[1]}
+ stop_traffic # $h2.222
+
+ stop_traffic # $h1.111
+
+ # High-prio should have about the same throughput whether or not
+ # low-prio is in the system.
+ local rel32=$(rel $rate_2_eg $rate_3_eg)
+ check_err $(bc <<< "$rel32 < 95")
+
+ log_test "strict priority"
+ echo "Ingress to switch:"
+ echo " p1 in rate $(humanize $rate_1_in)"
+ echo " p2 in rate $(humanize $rate_2_in)"
+ echo " p2 in rate w/ p1 $(humanize $rate_3_in)"
+ echo "Egress from switch:"
+ echo " p1 eg rate $(humanize $rate_1_eg)"
+ echo " p2 eg rate $(humanize $rate_2_eg) ($rel21% of p1)"
+ echo " p2 eg rate w/ p1 $(humanize $rate_3_eg) ($rel32% of p2)"
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_lib.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_lib.sh
new file mode 100644
index 000000000000..e80be65799ad
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_lib.sh
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: GPL-2.0
+
+humanize()
+{
+ local speed=$1; shift
+
+ for unit in bps Kbps Mbps Gbps; do
+ if (($(echo "$speed < 1024" | bc))); then
+ break
+ fi
+
+ speed=$(echo "scale=1; $speed / 1024" | bc)
+ done
+
+ echo "$speed${unit}"
+}
+
+rate()
+{
+ local t0=$1; shift
+ local t1=$1; shift
+ local interval=$1; shift
+
+ echo $((8 * (t1 - t0) / interval))
+}
+
+start_traffic()
+{
+ local h_in=$1; shift # Where the traffic egresses the host
+ local sip=$1; shift
+ local dip=$1; shift
+ local dmac=$1; shift
+
+ $MZ $h_in -p 8000 -A $sip -B $dip -c 0 \
+ -a own -b $dmac -t udp -q &
+ sleep 1
+}
+
+stop_traffic()
+{
+ # Suppress noise from killing mausezahn.
+ { kill %% && wait %%; } 2>/dev/null
+}
+
+check_rate()
+{
+ local rate=$1; shift
+ local min=$1; shift
+ local what=$1; shift
+
+ if ((rate > min)); then
+ return 0
+ fi
+
+ echo "$what $(humanize $ir) < $(humanize $min)" > /dev/stderr
+ return 1
+}
+
+measure_rate()
+{
+ local sw_in=$1; shift # Where the traffic ingresses the switch
+ local host_in=$1; shift # Where it ingresses another host
+ local counter=$1; shift # Counter to use for measurement
+ local what=$1; shift
+
+ local interval=10
+ local i
+ local ret=0
+
+ # Dips in performance might cause momentary ingress rate to drop below
+ # 1Gbps. That wouldn't saturate egress and MC would thus get through,
+ # seemingly winning bandwidth on account of UC. Demand at least 2Gbps
+ # average ingress rate to somewhat mitigate this.
+ local min_ingress=2147483648
+
+ for i in {5..0}; do
+ local t0=$(ethtool_stats_get $host_in $counter)
+ local u0=$(ethtool_stats_get $sw_in $counter)
+ sleep $interval
+ local t1=$(ethtool_stats_get $host_in $counter)
+ local u1=$(ethtool_stats_get $sw_in $counter)
+
+ local ir=$(rate $u0 $u1 $interval)
+ local er=$(rate $t0 $t1 $interval)
+
+ if check_rate $ir $min_ingress "$what ingress rate"; then
+ break
+ fi
+
+ # Fail the test if we can't get the throughput.
+ if ((i == 0)); then
+ ret=1
+ fi
+ done
+
+ echo $ir $er
+ return $ret
+}
diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh
index 117f6f35d72f..71231ad2dbfb 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh
@@ -67,6 +67,8 @@ lib_dir=$(dirname $0)/../../../net/forwarding
NUM_NETIFS=6
source $lib_dir/lib.sh
+source $lib_dir/devlink_lib.sh
+source qos_lib.sh
h1_create()
{
@@ -140,10 +142,28 @@ switch_create()
ip link set dev br111 up
ip link set dev $swp2.111 master br111
ip link set dev $swp3.111 master br111
+
+ # Make sure that ingress quotas are smaller than egress so that there is
+ # room for both streams of traffic to be admitted to shared buffer.
+ devlink_port_pool_th_set $swp1 0 5
+ devlink_tc_bind_pool_th_set $swp1 0 ingress 0 5
+
+ devlink_port_pool_th_set $swp2 0 5
+ devlink_tc_bind_pool_th_set $swp2 1 ingress 0 5
+
+ devlink_port_pool_th_set $swp3 4 12
}
switch_destroy()
{
+ devlink_port_pool_th_restore $swp3 4
+
+ devlink_tc_bind_pool_th_restore $swp2 1 ingress
+ devlink_port_pool_th_restore $swp2 0
+
+ devlink_tc_bind_pool_th_restore $swp1 0 ingress
+ devlink_port_pool_th_restore $swp1 0
+
ip link del dev br111
ip link del dev br1
@@ -201,107 +221,28 @@ ping_ipv4()
ping_test $h2 192.0.2.130
}
-humanize()
-{
- local speed=$1; shift
-
- for unit in bps Kbps Mbps Gbps; do
- if (($(echo "$speed < 1024" | bc))); then
- break
- fi
-
- speed=$(echo "scale=1; $speed / 1024" | bc)
- done
-
- echo "$speed${unit}"
-}
-
-rate()
-{
- local t0=$1; shift
- local t1=$1; shift
- local interval=$1; shift
-
- echo $((8 * (t1 - t0) / interval))
-}
-
-check_rate()
-{
- local rate=$1; shift
- local min=$1; shift
- local what=$1; shift
-
- if ((rate > min)); then
- return 0
- fi
-
- echo "$what $(humanize $ir) < $(humanize $min_ingress)" > /dev/stderr
- return 1
-}
-
-measure_uc_rate()
-{
- local what=$1; shift
-
- local interval=10
- local i
- local ret=0
-
- # Dips in performance might cause momentary ingress rate to drop below
- # 1Gbps. That wouldn't saturate egress and MC would thus get through,
- # seemingly winning bandwidth on account of UC. Demand at least 2Gbps
- # average ingress rate to somewhat mitigate this.
- local min_ingress=2147483648
-
- $MZ $h2.111 -p 8000 -A 192.0.2.129 -B 192.0.2.130 -c 0 \
- -a own -b $h3mac -t udp -q &
- sleep 1
-
- for i in {5..0}; do
- local t0=$(ethtool_stats_get $h3 rx_octets_prio_1)
- local u0=$(ethtool_stats_get $swp2 rx_octets_prio_1)
- sleep $interval
- local t1=$(ethtool_stats_get $h3 rx_octets_prio_1)
- local u1=$(ethtool_stats_get $swp2 rx_octets_prio_1)
-
- local ir=$(rate $u0 $u1 $interval)
- local er=$(rate $t0 $t1 $interval)
-
- if check_rate $ir $min_ingress "$what ingress rate"; then
- break
- fi
-
- # Fail the test if we can't get the throughput.
- if ((i == 0)); then
- ret=1
- fi
- done
-
- # Suppress noise from killing mausezahn.
- { kill %% && wait; } 2>/dev/null
-
- echo $ir $er
- exit $ret
-}
-
test_mc_aware()
{
RET=0
local -a uc_rate
- uc_rate=($(measure_uc_rate "UC-only"))
+ start_traffic $h2.111 192.0.2.129 192.0.2.130 $h3mac
+ uc_rate=($(measure_rate $swp2 $h3 rx_octets_prio_1 "UC-only"))
check_err $? "Could not get high enough UC-only ingress rate"
+ stop_traffic
local ucth1=${uc_rate[1]}
- $MZ $h1 -p 8000 -c 0 -a own -b bc -t udp -q &
+ start_traffic $h1 own bc bc
local d0=$(date +%s)
local t0=$(ethtool_stats_get $h3 rx_octets_prio_0)
local u0=$(ethtool_stats_get $swp1 rx_octets_prio_0)
local -a uc_rate_2
- uc_rate_2=($(measure_uc_rate "UC+MC"))
+ start_traffic $h2.111 192.0.2.129 192.0.2.130 $h3mac
+ uc_rate_2=($(measure_rate $swp2 $h3 rx_octets_prio_1 "UC+MC"))
check_err $? "Could not get high enough UC+MC ingress rate"
+ stop_traffic
local ucth2=${uc_rate_2[1]}
local d1=$(date +%s)
@@ -319,8 +260,7 @@ test_mc_aware()
local mc_ir=$(rate $u0 $u1 $interval)
local mc_er=$(rate $t0 $t1 $interval)
- # Suppress noise from killing mausezahn.
- { kill %% && wait; } 2>/dev/null
+ stop_traffic
log_test "UC performace under MC overload"
@@ -344,8 +284,7 @@ test_uc_aware()
{
RET=0
- $MZ $h2.111 -p 8000 -A 192.0.2.129 -B 192.0.2.130 -c 0 \
- -a own -b $h3mac -t udp -q &
+ start_traffic $h2.111 192.0.2.129 192.0.2.130 $h3mac
local d0=$(date +%s)
local t0=$(ethtool_stats_get $h3 rx_octets_prio_1)
@@ -375,8 +314,7 @@ test_uc_aware()
((attempts == passes))
check_err $?
- # Suppress noise from killing mausezahn.
- { kill %% && wait; } 2>/dev/null
+ stop_traffic
log_test "MC performace under UC overload"
echo " ingress UC throughput $(humanize ${uc_ir})"
diff --git a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh
index c4cf6e6d800e..5c39e5f6a480 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh
@@ -11,6 +11,7 @@ lib_dir=$(dirname $0)/../../../net/forwarding
ALL_TESTS="
rif_set_addr_test
+ rif_vrf_set_addr_test
rif_inherit_bridge_addr_test
rif_non_inherit_bridge_addr_test
vlan_interface_deletion_test
@@ -26,6 +27,8 @@ ALL_TESTS="
lag_dev_deletion_test
vlan_interface_uppers_test
bridge_extern_learn_test
+ neigh_offload_test
+ nexthop_offload_test
devlink_reload_test
"
NUM_NETIFS=2
@@ -98,6 +101,25 @@ rif_set_addr_test()
ip link set dev $swp1 addr $swp1_mac
}
+rif_vrf_set_addr_test()
+{
+ # Test that it is possible to set an IP address on a VRF upper despite
+ # its random MAC address.
+ RET=0
+
+ ip link add name vrf-test type vrf table 10
+ ip link set dev $swp1 master vrf-test
+
+ ip -4 address add 192.0.2.1/24 dev vrf-test
+ check_err $? "failed to set IPv4 address on VRF"
+ ip -6 address add 2001:db8:1::1/64 dev vrf-test
+ check_err $? "failed to set IPv6 address on VRF"
+
+ log_test "RIF - setting IP address on VRF"
+
+ ip link del dev vrf-test
+}
+
rif_inherit_bridge_addr_test()
{
RET=0
@@ -561,6 +583,77 @@ bridge_extern_learn_test()
ip link del dev br0
}
+neigh_offload_test()
+{
+ # Test that IPv4 and IPv6 neighbour entries are marked as offloaded
+ RET=0
+
+ ip -4 address add 192.0.2.1/24 dev $swp1
+ ip -6 address add 2001:db8:1::1/64 dev $swp1
+
+ ip -4 neigh add 192.0.2.2 lladdr de:ad:be:ef:13:37 nud perm dev $swp1
+ ip -6 neigh add 2001:db8:1::2 lladdr de:ad:be:ef:13:37 nud perm \
+ dev $swp1
+
+ ip -4 neigh show dev $swp1 | grep 192.0.2.2 | grep -q offload
+ check_err $? "ipv4 neigh entry not marked as offloaded when should"
+ ip -6 neigh show dev $swp1 | grep 2001:db8:1::2 | grep -q offload
+ check_err $? "ipv6 neigh entry not marked as offloaded when should"
+
+ log_test "neighbour offload indication"
+
+ ip -6 neigh del 2001:db8:1::2 dev $swp1
+ ip -4 neigh del 192.0.2.2 dev $swp1
+ ip -6 address del 2001:db8:1::1/64 dev $swp1
+ ip -4 address del 192.0.2.1/24 dev $swp1
+}
+
+nexthop_offload_test()
+{
+ # Test that IPv4 and IPv6 nexthops are marked as offloaded
+ RET=0
+
+ sysctl_set net.ipv6.conf.$swp2.keep_addr_on_down 1
+ simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64
+ simple_if_init $swp2 192.0.2.2/24 2001:db8:1::2/64
+ setup_wait
+
+ ip -4 route add 198.51.100.0/24 vrf v$swp1 \
+ nexthop via 192.0.2.2 dev $swp1
+ ip -6 route add 2001:db8:2::/64 vrf v$swp1 \
+ nexthop via 2001:db8:1::2 dev $swp1
+
+ ip -4 route show 198.51.100.0/24 vrf v$swp1 | grep -q offload
+ check_err $? "ipv4 nexthop not marked as offloaded when should"
+ ip -6 route show 2001:db8:2::/64 vrf v$swp1 | grep -q offload
+ check_err $? "ipv6 nexthop not marked as offloaded when should"
+
+ ip link set dev $swp2 down
+ sleep 1
+
+ ip -4 route show 198.51.100.0/24 vrf v$swp1 | grep -q offload
+ check_fail $? "ipv4 nexthop marked as offloaded when should not"
+ ip -6 route show 2001:db8:2::/64 vrf v$swp1 | grep -q offload
+ check_fail $? "ipv6 nexthop marked as offloaded when should not"
+
+ ip link set dev $swp2 up
+ setup_wait
+
+ ip -4 route show 198.51.100.0/24 vrf v$swp1 | grep -q offload
+ check_err $? "ipv4 nexthop not marked as offloaded after neigh add"
+ ip -6 route show 2001:db8:2::/64 vrf v$swp1 | grep -q offload
+ check_err $? "ipv6 nexthop not marked as offloaded after neigh add"
+
+ log_test "nexthop offload indication"
+
+ ip -6 route del 2001:db8:2::/64 vrf v$swp1
+ ip -4 route del 198.51.100.0/24 vrf v$swp1
+
+ simple_if_fini $swp2 192.0.2.2/24 2001:db8:1::2/64
+ simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64
+ sysctl_restore net.ipv6.conf.$swp2.keep_addr_on_down
+}
+
devlink_reload_test()
{
# Test that after executing all the above configuration tests, a
diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh
index b41d6256b2d0..fb850e0ec837 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh
@@ -9,10 +9,12 @@ lib_dir=$(dirname $0)/../../../../net/forwarding
ALL_TESTS="single_mask_test identical_filters_test two_masks_test \
multiple_masks_test ctcam_edge_cases_test delta_simple_test \
+ delta_two_masks_one_key_test delta_simple_rehash_test \
bloom_simple_test bloom_complex_test bloom_delta_test"
NUM_NETIFS=2
-source $lib_dir/tc_common.sh
source $lib_dir/lib.sh
+source $lib_dir/tc_common.sh
+source $lib_dir/devlink_lib.sh
tcflags="skip_hw"
@@ -38,6 +40,55 @@ h2_destroy()
simple_if_fini $h2 192.0.2.2/24 198.51.100.2/24
}
+tp_record()
+{
+ local tracepoint=$1
+ local cmd=$2
+
+ perf record -q -e $tracepoint $cmd
+ return $?
+}
+
+tp_record_all()
+{
+ local tracepoint=$1
+ local seconds=$2
+
+ perf record -a -q -e $tracepoint sleep $seconds
+ return $?
+}
+
+__tp_hit_count()
+{
+ local tracepoint=$1
+
+ local perf_output=`perf script -F trace:event,trace`
+ return `echo $perf_output | grep "$tracepoint:" | wc -l`
+}
+
+tp_check_hits()
+{
+ local tracepoint=$1
+ local count=$2
+
+ __tp_hit_count $tracepoint
+ if [[ "$?" -ne "$count" ]]; then
+ return 1
+ fi
+ return 0
+}
+
+tp_check_hits_any()
+{
+ local tracepoint=$1
+
+ __tp_hit_count $tracepoint
+ if [[ "$?" -eq "0" ]]; then
+ return 1
+ fi
+ return 0
+}
+
single_mask_test()
{
# When only a single mask is required, the device uses the master
@@ -182,20 +233,38 @@ multiple_masks_test()
# spillage is performed correctly and that the right filter is
# matched
+ if [[ "$tcflags" != "skip_sw" ]]; then
+ return 0;
+ fi
+
local index
RET=0
NUM_MASKS=32
+ NUM_ERPS=16
BASE_INDEX=100
for i in $(eval echo {1..$NUM_MASKS}); do
index=$((BASE_INDEX - i))
- tc filter add dev $h2 ingress protocol ip pref $index \
- handle $index \
- flower $tcflags dst_ip 192.0.2.2/${i} src_ip 192.0.2.1 \
- action drop
+ if ((i > NUM_ERPS)); then
+ exp_hits=1
+ err_msg="$i filters - C-TCAM spill did not happen when it was expected"
+ else
+ exp_hits=0
+ err_msg="$i filters - C-TCAM spill happened when it should not"
+ fi
+
+ tp_record "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" \
+ "tc filter add dev $h2 ingress protocol ip pref $index \
+ handle $index \
+ flower $tcflags \
+ dst_ip 192.0.2.2/${i} src_ip 192.0.2.1/${i} \
+ action drop"
+ tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" \
+ $exp_hits
+ check_err $? "$err_msg"
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 \
-B 192.0.2.2 -t ip -q
@@ -325,28 +394,6 @@ ctcam_edge_cases_test()
ctcam_no_atcam_masks_test
}
-tp_record()
-{
- local tracepoint=$1
- local cmd=$2
-
- perf record -q -e $tracepoint $cmd
- return $?
-}
-
-tp_check_hits()
-{
- local tracepoint=$1
- local count=$2
-
- perf_output=`perf script -F trace:event,trace`
- hits=`echo $perf_output | grep "$tracepoint:" | wc -l`
- if [[ "$count" -ne "$hits" ]]; then
- return 1
- fi
- return 0
-}
-
delta_simple_test()
{
# The first filter will create eRP, the second filter will fit into
@@ -405,6 +452,365 @@ delta_simple_test()
log_test "delta simple test ($tcflags)"
}
+delta_two_masks_one_key_test()
+{
+ # If 2 keys are the same and only differ in mask in a way that
+ # they belong under the same ERP (second is delta of the first),
+ # there should be no C-TCAM spill.
+
+ RET=0
+
+ if [[ "$tcflags" != "skip_sw" ]]; then
+ return 0;
+ fi
+
+ tp_record "mlxsw:*" "tc filter add dev $h2 ingress protocol ip \
+ pref 1 handle 101 flower $tcflags dst_ip 192.0.2.0/24 \
+ action drop"
+ tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" 0
+ check_err $? "incorrect C-TCAM spill while inserting the first rule"
+
+ tp_record "mlxsw:*" "tc filter add dev $h2 ingress protocol ip \
+ pref 2 handle 102 flower $tcflags dst_ip 192.0.2.2 \
+ action drop"
+ tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" 0
+ check_err $? "incorrect C-TCAM spill while inserting the second rule"
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+ -t ip -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_err $? "Did not match on correct filter"
+
+ tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+ -t ip -q
+
+ tc_check_packets "dev $h2 ingress" 102 1
+ check_err $? "Did not match on correct filter"
+
+ tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
+
+ log_test "delta two masks one key test ($tcflags)"
+}
+
+delta_simple_rehash_test()
+{
+ RET=0
+
+ if [[ "$tcflags" != "skip_sw" ]]; then
+ return 0;
+ fi
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 0
+ check_err $? "Failed to set ACL region rehash interval"
+
+ tp_record_all mlxsw:mlxsw_sp_acl_tcam_vregion_rehash 7
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
+ check_fail $? "Rehash trace was hit even when rehash should be disabled"
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 3000
+ check_err $? "Failed to set ACL region rehash interval"
+
+ sleep 1
+
+ tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
+ $tcflags dst_ip 192.0.1.0/25 action drop
+ tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
+ $tcflags dst_ip 192.0.2.2 action drop
+ tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \
+ $tcflags dst_ip 192.0.3.0/24 action drop
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+ -t ip -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched a wrong filter"
+
+ tc_check_packets "dev $h2 ingress" 103 1
+ check_fail $? "Matched a wrong filter"
+
+ tc_check_packets "dev $h2 ingress" 102 1
+ check_err $? "Did not match on correct filter"
+
+ tp_record_all mlxsw:* 3
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
+ check_err $? "Rehash trace was not hit"
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate
+ check_err $? "Migrate trace was not hit"
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate_end
+ check_err $? "Migrate end trace was not hit"
+ tp_record_all mlxsw:* 3
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
+ check_err $? "Rehash trace was not hit"
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate
+ check_fail $? "Migrate trace was hit when no migration should happen"
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate_end
+ check_fail $? "Migrate end trace was hit when no migration should happen"
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+ -t ip -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched a wrong filter after rehash"
+
+ tc_check_packets "dev $h2 ingress" 103 1
+ check_fail $? "Matched a wrong filter after rehash"
+
+ tc_check_packets "dev $h2 ingress" 102 2
+ check_err $? "Did not match on correct filter after rehash"
+
+ tc filter del dev $h2 ingress protocol ip pref 3 handle 103 flower
+ tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
+ tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
+
+ log_test "delta simple rehash test ($tcflags)"
+}
+
+delta_simple_ipv6_rehash_test()
+{
+ RET=0
+
+ if [[ "$tcflags" != "skip_sw" ]]; then
+ return 0;
+ fi
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 0
+ check_err $? "Failed to set ACL region rehash interval"
+
+ tp_record_all mlxsw:mlxsw_sp_acl_tcam_vregion_rehash 7
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
+ check_fail $? "Rehash trace was hit even when rehash should be disabled"
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 3000
+ check_err $? "Failed to set ACL region rehash interval"
+
+ sleep 1
+
+ tc filter add dev $h2 ingress protocol ipv6 pref 1 handle 101 flower \
+ $tcflags dst_ip 2001:db8:1::0/121 action drop
+ tc filter add dev $h2 ingress protocol ipv6 pref 2 handle 102 flower \
+ $tcflags dst_ip 2001:db8:2::2 action drop
+ tc filter add dev $h2 ingress protocol ipv6 pref 3 handle 103 flower \
+ $tcflags dst_ip 2001:db8:3::0/120 action drop
+
+ $MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
+ -A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched a wrong filter"
+
+ tc_check_packets "dev $h2 ingress" 103 1
+ check_fail $? "Matched a wrong filter"
+
+ tc_check_packets "dev $h2 ingress" 102 1
+ check_err $? "Did not match on correct filter"
+
+ tp_record_all mlxsw:* 3
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
+ check_err $? "Rehash trace was not hit"
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate
+ check_err $? "Migrate trace was not hit"
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate_end
+ check_err $? "Migrate end trace was not hit"
+ tp_record_all mlxsw:* 3
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
+ check_err $? "Rehash trace was not hit"
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate
+ check_fail $? "Migrate trace was hit when no migration should happen"
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate_end
+ check_fail $? "Migrate end trace was hit when no migration should happen"
+
+ $MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
+ -A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched a wrong filter after rehash"
+
+ tc_check_packets "dev $h2 ingress" 103 1
+ check_fail $? "Matched a wrong filter after rehash"
+
+ tc_check_packets "dev $h2 ingress" 102 2
+ check_err $? "Did not match on correct filter after rehash"
+
+ tc filter del dev $h2 ingress protocol ipv6 pref 3 handle 103 flower
+ tc filter del dev $h2 ingress protocol ipv6 pref 2 handle 102 flower
+ tc filter del dev $h2 ingress protocol ipv6 pref 1 handle 101 flower
+
+ log_test "delta simple IPv6 rehash test ($tcflags)"
+}
+
+TEST_RULE_BASE=256
+declare -a test_rules_inserted
+
+test_rule_add()
+{
+ local iface=$1
+ local tcflags=$2
+ local index=$3
+
+ if ! [ ${test_rules_inserted[$index]} ] ; then
+ test_rules_inserted[$index]=false
+ fi
+ if ${test_rules_inserted[$index]} ; then
+ return
+ fi
+
+ local number=$(( $index + $TEST_RULE_BASE ))
+ printf -v hexnumber '%x' $number
+
+ batch="${batch}filter add dev $iface ingress protocol ipv6 pref 1 \
+ handle $number flower $tcflags \
+ src_ip 2001:db8:1::$hexnumber action drop\n"
+ test_rules_inserted[$index]=true
+}
+
+test_rule_del()
+{
+ local iface=$1
+ local index=$2
+
+ if ! [ ${test_rules_inserted[$index]} ] ; then
+ test_rules_inserted[$index]=false
+ fi
+ if ! ${test_rules_inserted[$index]} ; then
+ return
+ fi
+
+ local number=$(( $index + $TEST_RULE_BASE ))
+ printf -v hexnumber '%x' $number
+
+ batch="${batch}filter del dev $iface ingress protocol ipv6 pref 1 \
+ handle $number flower\n"
+ test_rules_inserted[$index]=false
+}
+
+test_rule_add_or_remove()
+{
+ local iface=$1
+ local tcflags=$2
+ local index=$3
+
+ if ! [ ${test_rules_inserted[$index]} ] ; then
+ test_rules_inserted[$index]=false
+ fi
+ if ${test_rules_inserted[$index]} ; then
+ test_rule_del $iface $index
+ else
+ test_rule_add $iface $tcflags $index
+ fi
+}
+
+test_rule_add_or_remove_random_batch()
+{
+ local iface=$1
+ local tcflags=$2
+ local total_count=$3
+ local skip=0
+ local count=0
+ local MAXSKIP=20
+ local MAXCOUNT=20
+
+ for ((i=1;i<=total_count;i++)); do
+ if (( $skip == 0 )) && (($count == 0)); then
+ ((skip=$RANDOM % $MAXSKIP + 1))
+ ((count=$RANDOM % $MAXCOUNT + 1))
+ fi
+ if (( $skip != 0 )); then
+ ((skip-=1))
+ else
+ ((count-=1))
+ test_rule_add_or_remove $iface $tcflags $i
+ fi
+ done
+}
+
+delta_massive_ipv6_rehash_test()
+{
+ RET=0
+
+ if [[ "$tcflags" != "skip_sw" ]]; then
+ return 0;
+ fi
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 0
+ check_err $? "Failed to set ACL region rehash interval"
+
+ tp_record_all mlxsw:mlxsw_sp_acl_tcam_vregion_rehash 7
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
+ check_fail $? "Rehash trace was hit even when rehash should be disabled"
+
+ RANDOM=4432897
+ declare batch=""
+ test_rule_add_or_remove_random_batch $h2 $tcflags 5000
+
+ echo -n -e $batch | tc -b -
+
+ declare batch=""
+ test_rule_add_or_remove_random_batch $h2 $tcflags 5000
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 3000
+ check_err $? "Failed to set ACL region rehash interval"
+
+ sleep 1
+
+ tc filter add dev $h2 ingress protocol ipv6 pref 1 handle 101 flower \
+ $tcflags dst_ip 2001:db8:1::0/121 action drop
+ tc filter add dev $h2 ingress protocol ipv6 pref 2 handle 102 flower \
+ $tcflags dst_ip 2001:db8:2::2 action drop
+ tc filter add dev $h2 ingress protocol ipv6 pref 3 handle 103 flower \
+ $tcflags dst_ip 2001:db8:3::0/120 action drop
+
+ $MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
+ -A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched a wrong filter"
+
+ tc_check_packets "dev $h2 ingress" 103 1
+ check_fail $? "Matched a wrong filter"
+
+ tc_check_packets "dev $h2 ingress" 102 1
+ check_err $? "Did not match on correct filter"
+
+ echo -n -e $batch | tc -b -
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 0
+ check_err $? "Failed to set ACL region rehash interval"
+
+ $MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
+ -A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched a wrong filter after rehash"
+
+ tc_check_packets "dev $h2 ingress" 103 1
+ check_fail $? "Matched a wrong filter after rehash"
+
+ tc_check_packets "dev $h2 ingress" 102 2
+ check_err $? "Did not match on correct filter after rehash"
+
+ tc filter del dev $h2 ingress protocol ipv6 pref 3 handle 103 flower
+ tc filter del dev $h2 ingress protocol ipv6 pref 2 handle 102 flower
+ tc filter del dev $h2 ingress protocol ipv6 pref 1 handle 101 flower
+
+ declare batch=""
+ for i in {1..5000}; do
+ test_rule_del $h2 $tcflags $i
+ done
+ echo -e $batch | tc -b -
+
+ log_test "delta massive IPv6 rehash test ($tcflags)"
+}
+
bloom_simple_test()
{
# Bloom filter requires that the eRP table is used. This test
diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh
index b1fe960e398a..6f2683cbc7d5 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh
@@ -1,7 +1,10 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
+lib_dir=$(dirname $0)/../../../../net/forwarding
+
NUM_NETIFS=1
+source $lib_dir/lib.sh
source devlink_lib_spectrum.sh
setup_prepare()
diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh
index a0a80e1a69e8..43ba1b438f6d 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh
@@ -1,9 +1,11 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
+lib_dir=$(dirname $0)/../../../../net/forwarding
+
NUM_NETIFS=6
-source ../../../../net/forwarding/lib.sh
-source ../../../../net/forwarding/tc_common.sh
+source $lib_dir/lib.sh
+source $lib_dir/tc_common.sh
source devlink_lib_spectrum.sh
current_test=""
diff --git a/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh b/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh
new file mode 100755
index 000000000000..749ba3cfda1d
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh
@@ -0,0 +1,126 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Test vetoing of FDB entries that mlxsw can not offload. This exercises several
+# different veto vectors to test various rollback scenarios in the vxlan driver.
+
+lib_dir=$(dirname $0)/../../../net/forwarding
+
+ALL_TESTS="
+ fdb_create_veto_test
+ fdb_replace_veto_test
+ fdb_append_veto_test
+ fdb_changelink_veto_test
+"
+NUM_NETIFS=2
+source $lib_dir/lib.sh
+
+setup_prepare()
+{
+ swp1=${NETIFS[p1]}
+ swp2=${NETIFS[p2]}
+
+ ip link add dev br0 type bridge mcast_snooping 0
+
+ ip link set dev $swp1 up
+ ip link set dev $swp1 master br0
+ ip link set dev $swp2 up
+
+ ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \
+ ttl 20 tos inherit local 198.51.100.1 dstport 4789
+ ip link set dev vxlan0 master br0
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ ip link set dev vxlan0 nomaster
+ ip link del dev vxlan0
+
+ ip link set dev $swp2 down
+ ip link set dev $swp1 nomaster
+ ip link set dev $swp1 down
+
+ ip link del dev br0
+}
+
+fdb_create_veto_test()
+{
+ RET=0
+
+ bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
+ dst 198.51.100.2 2>/dev/null
+ check_fail $? "multicast MAC not rejected"
+
+ bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
+ dst 198.51.100.2 2>&1 >/dev/null | grep -q mlxsw_spectrum
+ check_err $? "multicast MAC rejected without extack"
+
+ log_test "vxlan FDB veto - create"
+}
+
+fdb_replace_veto_test()
+{
+ RET=0
+
+ bridge fdb add 00:01:02:03:04:05 dev vxlan0 self static \
+ dst 198.51.100.2
+ check_err $? "valid FDB rejected"
+
+ bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
+ dst 198.51.100.2 port 1234 2>/dev/null
+ check_fail $? "FDB with an explicit port not rejected"
+
+ bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
+ dst 198.51.100.2 port 1234 2>&1 >/dev/null \
+ | grep -q mlxsw_spectrum
+ check_err $? "FDB with an explicit port rejected without extack"
+
+ log_test "vxlan FDB veto - replace"
+}
+
+fdb_append_veto_test()
+{
+ RET=0
+
+ bridge fdb add 00:00:00:00:00:00 dev vxlan0 self static \
+ dst 198.51.100.2
+ check_err $? "valid FDB rejected"
+
+ bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
+ dst 198.51.100.3 port 1234 2>/dev/null
+ check_fail $? "FDB with an explicit port not rejected"
+
+ bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
+ dst 198.51.100.3 port 1234 2>&1 >/dev/null \
+ | grep -q mlxsw_spectrum
+ check_err $? "FDB with an explicit port rejected without extack"
+
+ log_test "vxlan FDB veto - append"
+}
+
+fdb_changelink_veto_test()
+{
+ RET=0
+
+ ip link set dev vxlan0 type vxlan \
+ group 224.0.0.1 dev lo 2>/dev/null
+ check_fail $? "FDB with a multicast IP not rejected"
+
+ ip link set dev vxlan0 type vxlan \
+ group 224.0.0.1 dev lo 2>&1 >/dev/null \
+ | grep -q mlxsw_spectrum
+ check_err $? "FDB with a multicast IP rejected without extack"
+
+ log_test "vxlan FDB veto - changelink"
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
new file mode 100755
index 000000000000..9d8baf5d14b3
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+lib_dir=$(dirname $0)/../../../net/forwarding
+
+ALL_TESTS="fw_flash_test"
+NUM_NETIFS=0
+source $lib_dir/lib.sh
+
+BUS_ADDR=10
+PORT_COUNT=4
+DEV_NAME=netdevsim$BUS_ADDR
+SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/
+DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/
+DL_HANDLE=netdevsim/$DEV_NAME
+
+fw_flash_test()
+{
+ RET=0
+
+ devlink dev flash $DL_HANDLE file dummy
+ check_err $? "Failed to flash with status updates on"
+
+ echo "n"> $DEBUGFS_DIR/fw_update_status
+ check_err $? "Failed to disable status updates"
+
+ devlink dev flash $DL_HANDLE file dummy
+ check_err $? "Failed to flash with status updates off"
+
+ log_test "fw flash test"
+}
+
+setup_prepare()
+{
+ modprobe netdevsim
+ echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device
+ while [ ! -d $SYSFS_NET_DIR ] ; do :; done
+}
+
+cleanup()
+{
+ pre_cleanup
+ echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device
+ modprobe -r netdevsim
+}
+
+trap cleanup EXIT
+
+setup_prepare
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/efivarfs/Makefile b/tools/testing/selftests/efivarfs/Makefile
index c49dcea69319..e3181338ba5e 100644
--- a/tools/testing/selftests/efivarfs/Makefile
+++ b/tools/testing/selftests/efivarfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS = -Wall
TEST_GEN_FILES := open-unlink create-read
diff --git a/tools/testing/selftests/efivarfs/efivarfs.sh b/tools/testing/selftests/efivarfs/efivarfs.sh
index a47029a799d2..a90f394f9aa9 100755
--- a/tools/testing/selftests/efivarfs/efivarfs.sh
+++ b/tools/testing/selftests/efivarfs/efivarfs.sh
@@ -7,6 +7,12 @@ test_guid=210be57c-9849-4fc7-a635-e6382d1aec27
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
+file_cleanup()
+{
+ chattr -i $1
+ rm -f $1
+}
+
check_prereqs()
{
local msg="skip all tests:"
@@ -58,8 +64,10 @@ test_create()
if [ $(stat -c %s $file) -ne 5 ]; then
echo "$file has invalid size" >&2
+ file_cleanup $file
exit 1
fi
+ file_cleanup $file
}
test_create_empty()
@@ -72,12 +80,14 @@ test_create_empty()
echo "$file can not be created without writing" >&2
exit 1
fi
+ file_cleanup $file
}
test_create_read()
{
local file=$efivarfs_mount/$FUNCNAME-$test_guid
./create-read $file
+ file_cleanup $file
}
test_delete()
@@ -92,11 +102,7 @@ test_delete()
exit 1
fi
- rm $file 2>/dev/null
- if [ $? -ne 0 ]; then
- chattr -i $file
- rm $file
- fi
+ file_cleanup $file
if [ -e $file ]; then
echo "$file couldn't be deleted" >&2
@@ -150,11 +156,7 @@ test_valid_filenames()
echo "$file could not be created" >&2
ret=1
else
- rm $file 2>/dev/null
- if [ $? -ne 0 ]; then
- chattr -i $file
- rm $file
- fi
+ file_cleanup $file
fi
done
@@ -187,11 +189,7 @@ test_invalid_filenames()
if [ -e $file ]; then
echo "Creating $file should have failed" >&2
- rm $file 2>/dev/null
- if [ $? -ne 0 ]; then
- chattr -i $file
- rm $file
- fi
+ file_cleanup $file
ret=1
fi
done
diff --git a/tools/testing/selftests/exec/.gitignore b/tools/testing/selftests/exec/.gitignore
index 64073e050c6a..b02279da6fa1 100644
--- a/tools/testing/selftests/exec/.gitignore
+++ b/tools/testing/selftests/exec/.gitignore
@@ -6,4 +6,5 @@ execveat.moved
execveat.path.ephemeral
execveat.ephemeral
execveat.denatured
-xxxxxxxx* \ No newline at end of file
+/recursion-depth
+xxxxxxxx*
diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftests/exec/Makefile
index 427c41ba5151..33339e31e365 100644
--- a/tools/testing/selftests/exec/Makefile
+++ b/tools/testing/selftests/exec/Makefile
@@ -1,11 +1,15 @@
# SPDX-License-Identifier: GPL-2.0
CFLAGS = -Wall
+CFLAGS += -Wno-nonnull
+CFLAGS += -D_GNU_SOURCE
TEST_GEN_PROGS := execveat
TEST_GEN_FILES := execveat.symlink execveat.denatured script subdir
# Makefile is a run-time dependency, since it's accessed by the execveat test
TEST_FILES := Makefile
+TEST_GEN_PROGS += recursion-depth
+
EXTRA_CLEAN := $(OUTPUT)/subdir.moved $(OUTPUT)/execveat.moved $(OUTPUT)/xxxxx*
include ../lib.mk
diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c
index 47cbf54d0801..cbb6efbdb786 100644
--- a/tools/testing/selftests/exec/execveat.c
+++ b/tools/testing/selftests/exec/execveat.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2014 Google, Inc.
*
- * Licensed under the terms of the GNU GPL License version 2
- *
* Selftests for execveat(2).
*/
diff --git a/tools/testing/selftests/exec/recursion-depth.c b/tools/testing/selftests/exec/recursion-depth.c
new file mode 100644
index 000000000000..2dbd5bc45b3e
--- /dev/null
+++ b/tools/testing/selftests/exec/recursion-depth.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2019 Alexey Dobriyan <adobriyan@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+/* Test that pointing #! script interpreter to self doesn't recurse. */
+#include <errno.h>
+#include <sched.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mount.h>
+#include <unistd.h>
+
+int main(void)
+{
+ if (unshare(CLONE_NEWNS) == -1) {
+ if (errno == ENOSYS || errno == EPERM) {
+ fprintf(stderr, "error: unshare, errno %d\n", errno);
+ return 4;
+ }
+ fprintf(stderr, "error: unshare, errno %d\n", errno);
+ return 1;
+ }
+ if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) == -1) {
+ fprintf(stderr, "error: mount '/', errno %d\n", errno);
+ return 1;
+ }
+ /* Require "exec" filesystem. */
+ if (mount(NULL, "/tmp", "ramfs", 0, NULL) == -1) {
+ fprintf(stderr, "error: mount ramfs, errno %d\n", errno);
+ return 1;
+ }
+
+#define FILENAME "/tmp/1"
+
+ int fd = creat(FILENAME, 0700);
+ if (fd == -1) {
+ fprintf(stderr, "error: creat, errno %d\n", errno);
+ return 1;
+ }
+#define S "#!" FILENAME "\n"
+ if (write(fd, S, strlen(S)) != strlen(S)) {
+ fprintf(stderr, "error: write, errno %d\n", errno);
+ return 1;
+ }
+ close(fd);
+
+ int rv = execve(FILENAME, NULL, NULL);
+ if (rv == -1 && errno == ELOOP) {
+ return 0;
+ }
+ fprintf(stderr, "error: execve, rv %d, errno %d\n", rv, errno);
+ return 1;
+}
diff --git a/tools/testing/selftests/firmware/Makefile b/tools/testing/selftests/firmware/Makefile
index 261c81f08606..012b2cf69c11 100644
--- a/tools/testing/selftests/firmware/Makefile
+++ b/tools/testing/selftests/firmware/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
# Makefile for firmware loading selftests
# No binaries, but make sure arg-less "make" doesn't trigger "run_tests"
diff --git a/tools/testing/selftests/firmware/config b/tools/testing/selftests/firmware/config
index 913a25a4a32b..bf634dda0720 100644
--- a/tools/testing/selftests/firmware/config
+++ b/tools/testing/selftests/firmware/config
@@ -1,6 +1,5 @@
CONFIG_TEST_FIRMWARE=y
CONFIG_FW_LOADER=y
CONFIG_FW_LOADER_USER_HELPER=y
-CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh
index 466cf2f91ba0..f901076aa2ea 100755
--- a/tools/testing/selftests/firmware/fw_filesystem.sh
+++ b/tools/testing/selftests/firmware/fw_filesystem.sh
@@ -153,10 +153,18 @@ config_set_read_fw_idx()
read_firmwares()
{
+ if [ "$1" = "xzonly" ]; then
+ fwfile="${FW}-orig"
+ else
+ fwfile="$FW"
+ fi
for i in $(seq 0 3); do
config_set_read_fw_idx $i
- # Verify the contents match
- if ! diff -q "$FW" $DIR/read_firmware 2>/dev/null ; then
+ # Verify the contents are what we expect.
+ # -Z required for now -- check for yourself, md5sum
+ # on $FW and DIR/read_firmware will yield the same. Even
+ # cmp agrees, so something is off.
+ if ! diff -q -Z "$fwfile" $DIR/read_firmware 2>/dev/null ; then
echo "request #$i: firmware was not loaded" >&2
exit 1
fi
@@ -168,7 +176,7 @@ read_firmwares_expect_nofile()
for i in $(seq 0 3); do
config_set_read_fw_idx $i
# Ensures contents differ
- if diff -q "$FW" $DIR/read_firmware 2>/dev/null ; then
+ if diff -q -Z "$FW" $DIR/read_firmware 2>/dev/null ; then
echo "request $i: file was not expected to match" >&2
exit 1
fi
@@ -243,17 +251,17 @@ test_request_firmware_nowait_custom_nofile()
test_batched_request_firmware()
{
- echo -n "Batched request_firmware() try #$1: "
+ echo -n "Batched request_firmware() $2 try #$1: "
config_reset
config_trigger_sync
- read_firmwares
+ read_firmwares $2
release_all_firmware
echo "OK"
}
test_batched_request_firmware_direct()
{
- echo -n "Batched request_firmware_direct() try #$1: "
+ echo -n "Batched request_firmware_direct() $2 try #$1: "
config_reset
config_set_sync_direct
config_trigger_sync
@@ -263,7 +271,7 @@ test_batched_request_firmware_direct()
test_request_firmware_nowait_uevent()
{
- echo -n "Batched request_firmware_nowait(uevent=true) try #$1: "
+ echo -n "Batched request_firmware_nowait(uevent=true) $2 try #$1: "
config_reset
config_trigger_async
release_all_firmware
@@ -272,11 +280,16 @@ test_request_firmware_nowait_uevent()
test_request_firmware_nowait_custom()
{
- echo -n "Batched request_firmware_nowait(uevent=false) try #$1: "
+ echo -n "Batched request_firmware_nowait(uevent=false) $2 try #$1: "
config_reset
config_unset_uevent
RANDOM_FILE_PATH=$(setup_random_file)
RANDOM_FILE="$(basename $RANDOM_FILE_PATH)"
+ if [ "$2" = "both" ]; then
+ xz -9 -C crc32 -k $RANDOM_FILE_PATH
+ elif [ "$2" = "xzonly" ]; then
+ xz -9 -C crc32 $RANDOM_FILE_PATH
+ fi
config_set_name $RANDOM_FILE
config_trigger_async
release_all_firmware
@@ -291,19 +304,19 @@ test_config_present
echo
echo "Testing with the file present..."
for i in $(seq 1 5); do
- test_batched_request_firmware $i
+ test_batched_request_firmware $i normal
done
for i in $(seq 1 5); do
- test_batched_request_firmware_direct $i
+ test_batched_request_firmware_direct $i normal
done
for i in $(seq 1 5); do
- test_request_firmware_nowait_uevent $i
+ test_request_firmware_nowait_uevent $i normal
done
for i in $(seq 1 5); do
- test_request_firmware_nowait_custom $i
+ test_request_firmware_nowait_custom $i normal
done
# Test for file not found, errors are expected, the failure would be
@@ -326,4 +339,47 @@ for i in $(seq 1 5); do
test_request_firmware_nowait_custom_nofile $i
done
+test "$HAS_FW_LOADER_COMPRESS" != "yes" && exit 0
+
+# test with both files present
+xz -9 -C crc32 -k $FW
+config_set_name $NAME
+echo
+echo "Testing with both plain and xz files present..."
+for i in $(seq 1 5); do
+ test_batched_request_firmware $i both
+done
+
+for i in $(seq 1 5); do
+ test_batched_request_firmware_direct $i both
+done
+
+for i in $(seq 1 5); do
+ test_request_firmware_nowait_uevent $i both
+done
+
+for i in $(seq 1 5); do
+ test_request_firmware_nowait_custom $i both
+done
+
+# test with only xz file present
+mv "$FW" "${FW}-orig"
+echo
+echo "Testing with only xz file present..."
+for i in $(seq 1 5); do
+ test_batched_request_firmware $i xzonly
+done
+
+for i in $(seq 1 5); do
+ test_batched_request_firmware_direct $i xzonly
+done
+
+for i in $(seq 1 5); do
+ test_request_firmware_nowait_uevent $i xzonly
+done
+
+for i in $(seq 1 5); do
+ test_request_firmware_nowait_custom $i xzonly
+done
+
exit 0
diff --git a/tools/testing/selftests/firmware/fw_lib.sh b/tools/testing/selftests/firmware/fw_lib.sh
index 6c5f1b2ffb74..f236cc295450 100755
--- a/tools/testing/selftests/firmware/fw_lib.sh
+++ b/tools/testing/selftests/firmware/fw_lib.sh
@@ -50,6 +50,7 @@ check_setup()
{
HAS_FW_LOADER_USER_HELPER="$(kconfig_has CONFIG_FW_LOADER_USER_HELPER=y)"
HAS_FW_LOADER_USER_HELPER_FALLBACK="$(kconfig_has CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y)"
+ HAS_FW_LOADER_COMPRESS="$(kconfig_has CONFIG_FW_LOADER_COMPRESS=y)"
PROC_FW_IGNORE_SYSFS_FALLBACK="0"
PROC_FW_FORCE_SYSFS_FALLBACK="0"
@@ -84,6 +85,12 @@ check_setup()
fi
OLD_FWPATH="$(cat /sys/module/firmware_class/parameters/path)"
+
+ if [ "$HAS_FW_LOADER_COMPRESS" = "yes" ]; then
+ if ! which xz 2> /dev/null > /dev/null; then
+ HAS_FW_LOADER_COMPRESS=""
+ fi
+ fi
}
verify_reqs()
@@ -91,7 +98,7 @@ verify_reqs()
if [ "$TEST_REQS_FW_SYSFS_FALLBACK" = "yes" ]; then
if [ ! "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
echo "usermode helper disabled so ignoring test"
- exit $ksft_skip
+ exit 0
fi
fi
}
diff --git a/tools/testing/selftests/firmware/fw_run_tests.sh b/tools/testing/selftests/firmware/fw_run_tests.sh
index cffdd4eb0a57..8e14d555c197 100755
--- a/tools/testing/selftests/firmware/fw_run_tests.sh
+++ b/tools/testing/selftests/firmware/fw_run_tests.sh
@@ -11,6 +11,7 @@ source $TEST_DIR/fw_lib.sh
export HAS_FW_LOADER_USER_HELPER=""
export HAS_FW_LOADER_USER_HELPER_FALLBACK=""
+export HAS_FW_LOADER_COMPRESS=""
run_tests()
{
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index 75244db70331..6d5e9e87c4b7 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -1,11 +1,11 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
# ftracetest - Ftrace test shell scripts
#
# Copyright (C) Hitachi Ltd., 2014
# Written by Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
#
-# Released under the terms of the GPL v2.
usage() { # errno [message]
[ ! -z "$2" ] && echo $2
@@ -154,17 +154,17 @@ fi
# Define text colors
# Check available colors on the terminal, if any
-ncolors=`tput colors 2>/dev/null`
+ncolors=`tput colors 2>/dev/null || echo 0`
color_reset=
color_red=
color_green=
color_blue=
# If stdout exists and number of colors is eight or more, use them
-if [ -t 1 -a "$ncolors" -a "$ncolors" -ge 8 ]; then
- color_reset="\e[0m"
- color_red="\e[31m"
- color_green="\e[32m"
- color_blue="\e[34m"
+if [ -t 1 -a "$ncolors" -ge 8 ]; then
+ color_reset="\033[0m"
+ color_red="\033[31m"
+ color_green="\033[32m"
+ color_blue="\033[34m"
fi
strip_esc() {
@@ -173,8 +173,13 @@ strip_esc() {
}
prlog() { # messages
- echo -e "$@"
- [ "$LOG_FILE" ] && echo -e "$@" | strip_esc >> $LOG_FILE
+ newline="\n"
+ if [ "$1" = "-n" ] ; then
+ newline=
+ shift
+ fi
+ printf "$*$newline"
+ [ "$LOG_FILE" ] && printf "$*$newline" | strip_esc >> $LOG_FILE
}
catlog() { #file
cat $1
@@ -313,6 +318,7 @@ run_test() { # testfile
local testlog=/proc/self/fd/1
fi
export TMPDIR=`mktemp -d /tmp/ftracetest-dir.XXXXXX`
+ export FTRACETEST_ROOT=$TOP_DIR
echo "execute$INSTANCE: "$1 > $testlog
SIG_RESULT=0
if [ $VERBOSE -eq -1 ]; then
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
new file mode 100644
index 000000000000..021c03fd885d
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
@@ -0,0 +1,19 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: ftrace - test tracing error log support
+
+fail() { #msg
+ echo $1
+ exit_fail
+}
+
+# event tracing is currently the only ftrace tracer that uses the
+# tracing error_log, hence this check
+if [ ! -f set_event ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+ftrace_errlog_check 'event filter parse error' '((sig >= 10 && sig < 15) || dsig ^== 17) && comm != bash' 'events/signal/signal_generate/filter'
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 7b96e80e6b8a..779ec11f61bd 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -109,3 +109,15 @@ LOCALHOST=127.0.0.1
yield() {
ping $LOCALHOST -c 1 || sleep .001 || usleep 1 || sleep 1
}
+
+ftrace_errlog_check() { # err-prefix command-with-error-pos-by-^ command-file
+ pos=$(echo -n "${2%^*}" | wc -c) # error position
+ command=$(echo "$2" | tr -d ^)
+ echo "Test command: $command"
+ echo > error_log
+ (! echo "$command" > "$3" ) 2> /dev/null
+ grep "$1: error:" -A 3 error_log
+ N=$(tail -n 1 error_log | wc -c)
+ # " Command: " and "^\n" => 13
+ test $(expr 13 + $pos) -eq $N
+}
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
index 492426e95e09..7650a82db3f5 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
@@ -3,7 +3,7 @@
# description: Kprobe dynamic event with function tracer
[ -f kprobe_events ] || exit_unsupported # this is configurable
-grep function available_tracers || exit_unsupported # this is configurable
+grep "function" available_tracers || exit_unsupported # this is configurable
# prepare
echo nop > current_tracer
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
new file mode 100644
index 000000000000..29faaec942c6
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
@@ -0,0 +1,85 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Kprobe event parser error log check
+
+[ -f kprobe_events ] || exit_unsupported # this is configurable
+
+[ -f error_log ] || exit_unsupported
+
+check_error() { # command-with-error-pos-by-^
+ ftrace_errlog_check 'trace_kprobe' "$1" 'kprobe_events'
+}
+
+if grep -q 'r\[maxactive\]' README; then
+check_error 'p^100 vfs_read' # MAXACT_NO_KPROBE
+check_error 'r^1a111 vfs_read' # BAD_MAXACT
+check_error 'r^100000 vfs_read' # MAXACT_TOO_BIG
+fi
+
+check_error 'p ^non_exist_func' # BAD_PROBE_ADDR (enoent)
+check_error 'p ^hoge-fuga' # BAD_PROBE_ADDR (bad syntax)
+check_error 'p ^hoge+1000-1000' # BAD_PROBE_ADDR (bad syntax)
+check_error 'r ^vfs_read+10' # BAD_RETPROBE
+check_error 'p:^/bar vfs_read' # NO_GROUP_NAME
+check_error 'p:^12345678901234567890123456789012345678901234567890123456789012345/bar vfs_read' # GROUP_TOO_LONG
+
+check_error 'p:^foo.1/bar vfs_read' # BAD_GROUP_NAME
+check_error 'p:foo/^ vfs_read' # NO_EVENT_NAME
+check_error 'p:foo/^12345678901234567890123456789012345678901234567890123456789012345 vfs_read' # EVENT_TOO_LONG
+check_error 'p:foo/^bar.1 vfs_read' # BAD_EVENT_NAME
+
+check_error 'p vfs_read ^$retval' # RETVAL_ON_PROBE
+check_error 'p vfs_read ^$stack10000' # BAD_STACK_NUM
+
+if grep -q '$arg<N>' README; then
+check_error 'p vfs_read ^$arg10000' # BAD_ARG_NUM
+fi
+
+check_error 'p vfs_read ^$none_var' # BAD_VAR
+
+check_error 'p vfs_read ^%none_reg' # BAD_REG_NAME
+check_error 'p vfs_read ^@12345678abcde' # BAD_MEM_ADDR
+check_error 'p vfs_read ^@+10' # FILE_ON_KPROBE
+
+check_error 'p vfs_read ^+0@0)' # DEREF_NEED_BRACE
+check_error 'p vfs_read ^+0ab1(@0)' # BAD_DEREF_OFFS
+check_error 'p vfs_read +0(+0(@0^)' # DEREF_OPEN_BRACE
+
+if grep -A1 "fetcharg:" README | grep -q '\$comm' ; then
+check_error 'p vfs_read +0(^$comm)' # COMM_CANT_DEREF
+fi
+
+check_error 'p vfs_read ^&1' # BAD_FETCH_ARG
+
+
+# We've introduced this limitation with array support
+if grep -q ' <type>\\\[<array-size>\\\]' README; then
+check_error 'p vfs_read +0(^+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(@0))))))))))))))' # TOO_MANY_OPS?
+check_error 'p vfs_read +0(@11):u8[10^' # ARRAY_NO_CLOSE
+check_error 'p vfs_read +0(@11):u8[10]^a' # BAD_ARRAY_SUFFIX
+check_error 'p vfs_read +0(@11):u8[^10a]' # BAD_ARRAY_NUM
+check_error 'p vfs_read +0(@11):u8[^256]' # ARRAY_TOO_BIG
+fi
+
+check_error 'p vfs_read @11:^unknown_type' # BAD_TYPE
+check_error 'p vfs_read $stack0:^string' # BAD_STRING
+check_error 'p vfs_read @11:^b10@a/16' # BAD_BITFIELD
+
+check_error 'p vfs_read ^arg123456789012345678901234567890=@11' # ARG_NAME_TOO_LOG
+check_error 'p vfs_read ^=@11' # NO_ARG_NAME
+check_error 'p vfs_read ^var.1=@11' # BAD_ARG_NAME
+check_error 'p vfs_read var1=@11 ^var1=@12' # USED_ARG_NAME
+check_error 'p vfs_read ^+1234567(+1234567(+1234567(+1234567(+1234567(+1234567(@1234))))))' # ARG_TOO_LONG
+check_error 'p vfs_read arg1=^' # NO_ARG_BODY
+
+# instruction boundary check is valid on x86 (at this moment)
+case $(uname -m) in
+ x86_64|i[3456]86)
+ echo 'p vfs_read' > kprobe_events
+ if grep -q FTRACE ../kprobes/list ; then
+ check_error 'p ^vfs_read+3' # BAD_INSN_BNDRY (only if function-tracer is enabled)
+ fi
+ ;;
+esac
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc
new file mode 100644
index 000000000000..14229d5778a0
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc
@@ -0,0 +1,23 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Uprobe event parser error log check
+
+[ -f uprobe_events ] || exit_unsupported # this is configurable
+
+[ -f error_log ] || exit_unsupported
+
+check_error() { # command-with-error-pos-by-^
+ ftrace_errlog_check 'trace_uprobe' "$1" 'uprobe_events'
+}
+
+check_error 'p ^/non_exist_file:100' # FILE_NOT_FOUND
+check_error 'p ^/sys:100' # NO_REGULAR_FILE
+check_error 'p /bin/sh:^10a' # BAD_UPROBE_OFFS
+check_error 'p /bin/sh:10(^1a)' # BAD_REFCNT
+check_error 'p /bin/sh:10(10^' # REFCNT_OPEN_BRACE
+check_error 'p /bin/sh:10(10)^a' # BAD_REFCNT_SUFFIX
+
+check_error 'p /bin/sh:10 ^@+ab' # BAD_FILE_OFFS
+check_error 'p /bin/sh:10 ^@symbol' # SYM_ON_UPROBE
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/selftest/bashisms.tc b/tools/testing/selftests/ftrace/test.d/selftest/bashisms.tc
new file mode 100644
index 000000000000..1b081e910e14
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/selftest/bashisms.tc
@@ -0,0 +1,21 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Meta-selftest: Checkbashisms
+
+if [ ! -f $FTRACETEST_ROOT/ftracetest ]; then
+ echo "Hmm, we can not find ftracetest"
+ exit_unresolved
+fi
+
+if ! which checkbashisms > /dev/null 2>&1 ; then
+ echo "No checkbashisms found. skipped."
+ exit_unresolved
+fi
+
+checkbashisms $FTRACETEST_ROOT/ftracetest
+checkbashisms $FTRACETEST_ROOT/test.d/functions
+for t in $(find $FTRACETEST_ROOT/test.d -name \*.tc); do
+ checkbashisms $t
+done
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc
new file mode 100644
index 000000000000..1221240f8cf6
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc
@@ -0,0 +1,30 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event trigger - test inter-event histogram trigger expected fail actions
+
+fail() { #msg
+ echo $1
+ exit_fail
+}
+
+if [ ! -f set_event ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f snapshot ]; then
+ echo "snapshot is not supported"
+ exit_unsupported
+fi
+
+grep -q "snapshot()" README || exit_unsupported # version issue
+
+echo "Test expected snapshot action failure"
+
+echo 'hist:keys=comm:onmatch(sched.sched_wakeup).snapshot()' >> /sys/kernel/debug/tracing/events/sched/sched_waking/trigger && exit_fail
+
+echo "Test expected save action failure"
+
+echo 'hist:keys=comm:onmatch(sched.sched_wakeup).save(comm,prio)' >> /sys/kernel/debug/tracing/events/sched/sched_waking/trigger && exit_fail
+
+exit_xfail
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc
deleted file mode 100644
index 401104344593..000000000000
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/sh
-# description: event trigger - test extended error support
-
-
-fail() { #msg
- echo $1
- exit_fail
-}
-
-if [ ! -f set_event ]; then
- echo "event tracing is not supported"
- exit_unsupported
-fi
-
-if [ ! -f synthetic_events ]; then
- echo "synthetic event is not supported"
- exit_unsupported
-fi
-
-echo "Test extended error support"
-echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
-! echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger 2> /dev/null
-if ! grep -q "ERROR:" events/sched/sched_wakeup/hist; then
- fail "Failed to generate extended error in histogram"
-fi
-
-exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc
index f59b2a9a1f22..77be6e1f6e7b 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test field variable support
fail() { #msg
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc
index 524d9ce361e2..f3eb8aacec0e 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test inter-event combined histogram trigger
fail() { #msg
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc
index 4ddc546771b5..d281f056f980 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test multiple actions on hist trigger
fail() { #msg
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc
new file mode 100644
index 000000000000..064a284e4e75
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc
@@ -0,0 +1,28 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event trigger - test inter-event histogram trigger onchange action
+
+fail() { #msg
+ echo $1
+ exit_fail
+}
+
+if [ ! -f set_event ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+grep -q "onchange(var)" README || exit_unsupported # version issue
+
+echo "Test onchange action"
+
+echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio) if comm=="ping"' >> /sys/kernel/debug/tracing/events/sched/sched_waking/trigger
+
+ping $LOCALHOST -c 3
+nice -n 1 ping $LOCALHOST -c 3
+
+if ! grep -q "changed:" events/sched/sched_waking/hist; then
+ fail "Failed to create onchange action inter-event histogram"
+fi
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc
index 39fb65b0cd9f..a708f0e7858a 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test inter-event histogram trigger onmatch action
fail() { #msg
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc
index 81ab3939c96a..dfce6932d8be 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test inter-event histogram trigger onmatch-onmax action
fail() { #msg
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc
index 1180ab5f0845..0035995c2194 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test inter-event histogram trigger onmax action
fail() { #msg
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
new file mode 100644
index 000000000000..18fff69fc433
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
@@ -0,0 +1,43 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event trigger - test inter-event histogram trigger snapshot action
+
+fail() { #msg
+ echo $1
+ exit_fail
+}
+
+if [ ! -f set_event ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f snapshot ]; then
+ echo "snapshot is not supported"
+ exit_unsupported
+fi
+
+grep -q "onchange(var)" README || exit_unsupported # version issue
+
+grep -q "snapshot()" README || exit_unsupported # version issue
+
+echo "Test snapshot action"
+
+echo 1 > /sys/kernel/debug/tracing/events/sched/enable
+
+echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> /sys/kernel/debug/tracing/events/sched/sched_waking/trigger
+
+ping $LOCALHOST -c 3
+nice -n 1 ping $LOCALHOST -c 3
+
+echo 0 > tracing_on
+
+if ! grep -q "changed:" events/sched/sched_waking/hist; then
+ fail "Failed to create onchange action inter-event histogram"
+fi
+
+if ! grep -q "comm=ping" snapshot; then
+ fail "Failed to create snapshot action inter-event histogram"
+fi
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc
index 41128219231a..df44b14724a4 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test synthetic event create remove
fail() { #msg
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc
new file mode 100644
index 000000000000..8021d60aafec
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc
@@ -0,0 +1,42 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event trigger - test inter-event histogram trigger trace action
+
+fail() { #msg
+ echo $1
+ exit_fail
+}
+
+if [ ! -f set_event ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f synthetic_events ]; then
+ echo "synthetic event is not supported"
+ exit_unsupported
+fi
+
+grep -q "trace(<synthetic_event>" README || exit_unsupported # version issue
+
+echo "Test create synthetic event"
+
+echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
+if [ ! -d events/synthetic/wakeup_latency ]; then
+ fail "Failed to create wakeup_latency synthetic event"
+fi
+
+echo "Test create histogram for synthetic event using trace action"
+echo "Test histogram variables,simple expression support and trace action"
+
+echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
+echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).trace(wakeup_latency,$wakeup_lat,next_pid,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger
+echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger
+
+ping $LOCALHOST -c 5
+
+if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
+ fail "Failed to create trace action inter-event histogram"
+fi
+
+exit 0
diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi.c b/tools/testing/selftests/futex/functional/futex_requeue_pi.c
index 54cd5c414e82..1ee5518ee6b7 100644
--- a/tools/testing/selftests/futex/functional/futex_requeue_pi.c
+++ b/tools/testing/selftests/futex/functional/futex_requeue_pi.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/******************************************************************************
*
* Copyright © International Business Machines Corp., 2006-2008
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* This test excercises the futex syscall op codes needed for requeuing
* priority inheritance aware POSIX condition variables and mutexes.
@@ -395,6 +391,7 @@ int main(int argc, char *argv[])
}
ksft_print_header();
+ ksft_set_plan(1);
ksft_print_msg("%s: Test requeue functionality\n", basename(argv[0]));
ksft_print_msg(
"\tArguments: broadcast=%d locked=%d owner=%d timeout=%ldns\n",
diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi_mismatched_ops.c b/tools/testing/selftests/futex/functional/futex_requeue_pi_mismatched_ops.c
index 08187a16507f..d0a4d332ea44 100644
--- a/tools/testing/selftests/futex/functional/futex_requeue_pi_mismatched_ops.c
+++ b/tools/testing/selftests/futex/functional/futex_requeue_pi_mismatched_ops.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/******************************************************************************
*
* Copyright © International Business Machines Corp., 2009
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* 1. Block a thread using FUTEX_WAIT
* 2. Attempt to use FUTEX_CMP_REQUEUE_PI on the futex from 1.
@@ -79,6 +75,7 @@ int main(int argc, char *argv[])
}
ksft_print_header();
+ ksft_set_plan(1);
ksft_print_msg("%s: Detect mismatched requeue_pi operations\n",
basename(argv[0]));
diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c b/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c
index f0542a344d95..f8c43ce8fe66 100644
--- a/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c
+++ b/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/******************************************************************************
*
* Copyright © International Business Machines Corp., 2006-2008
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* This test exercises the futex_wait_requeue_pi() signal handling both
* before and after the requeue. The first should be restarted by the
@@ -144,6 +140,7 @@ int main(int argc, char *argv[])
}
ksft_print_header();
+ ksft_set_plan(1);
ksft_print_msg("%s: Test signal handling during requeue_pi\n",
basename(argv[0]));
ksft_print_msg("\tArguments: <none>\n");
diff --git a/tools/testing/selftests/futex/functional/futex_wait_private_mapped_file.c b/tools/testing/selftests/futex/functional/futex_wait_private_mapped_file.c
index 6216de828093..fb4148f23fa3 100644
--- a/tools/testing/selftests/futex/functional/futex_wait_private_mapped_file.c
+++ b/tools/testing/selftests/futex/functional/futex_wait_private_mapped_file.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/******************************************************************************
*
* Copyright FUJITSU LIMITED 2010
* Copyright KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* Internally, Futex has two handling mode, anon and file. The private file
* mapping is special. At first it behave as file, but after write anything
@@ -98,6 +94,7 @@ int main(int argc, char **argv)
}
ksft_print_header();
+ ksft_set_plan(1);
ksft_print_msg(
"%s: Test the futex value of private file mappings in FUTEX_WAIT\n",
basename(argv[0]));
diff --git a/tools/testing/selftests/futex/functional/futex_wait_timeout.c b/tools/testing/selftests/futex/functional/futex_wait_timeout.c
index bab3dfe1787f..ee55e6d389a3 100644
--- a/tools/testing/selftests/futex/functional/futex_wait_timeout.c
+++ b/tools/testing/selftests/futex/functional/futex_wait_timeout.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/******************************************************************************
*
* Copyright © International Business Machines Corp., 2009
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* Block on a futex and wait for timeout.
*
@@ -69,6 +65,7 @@ int main(int argc, char *argv[])
}
ksft_print_header();
+ ksft_set_plan(1);
ksft_print_msg("%s: Block on a futex and wait for timeout\n",
basename(argv[0]));
ksft_print_msg("\tArguments: timeout=%ldns\n", timeout_ns);
diff --git a/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c b/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c
index 26975322545b..ed9cd07e31c1 100644
--- a/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c
+++ b/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/******************************************************************************
*
* Copyright FUJITSU LIMITED 2010
* Copyright KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* Wait on uninitialized heap. It shold be zero and FUTEX_WAIT should
* return immediately. This test is intent to test zero page handling in
@@ -100,6 +96,7 @@ int main(int argc, char **argv)
}
ksft_print_header();
+ ksft_set_plan(1);
ksft_print_msg("%s: Test the uninitialized futex value in FUTEX_WAIT\n",
basename(argv[0]));
diff --git a/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c b/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c
index da15a63269b4..0ae390ff8164 100644
--- a/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c
+++ b/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/******************************************************************************
*
* Copyright © International Business Machines Corp., 2009
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* Test if FUTEX_WAIT op returns -EWOULDBLOCK if the futex value differs
* from the expected one.
@@ -65,6 +61,7 @@ int main(int argc, char *argv[])
}
ksft_print_header();
+ ksft_set_plan(1);
ksft_print_msg("%s: Test the unexpected futex value in FUTEX_WAIT\n",
basename(argv[0]));
diff --git a/tools/testing/selftests/futex/functional/run.sh b/tools/testing/selftests/futex/functional/run.sh
index 7ff002eed624..1acb6ace1680 100755
--- a/tools/testing/selftests/futex/functional/run.sh
+++ b/tools/testing/selftests/futex/functional/run.sh
@@ -1,14 +1,10 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
###############################################################################
#
# Copyright © International Business Machines Corp., 2009
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
# DESCRIPTION
# Run tests in the current directory.
#
diff --git a/tools/testing/selftests/futex/include/atomic.h b/tools/testing/selftests/futex/include/atomic.h
index f861da3e31ab..428bcd921bb5 100644
--- a/tools/testing/selftests/futex/include/atomic.h
+++ b/tools/testing/selftests/futex/include/atomic.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/******************************************************************************
*
* Copyright © International Business Machines Corp., 2009
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* GCC atomic builtin wrappers
* http://gcc.gnu.org/onlinedocs/gcc-4.1.0/gcc/Atomic-Builtins.html
diff --git a/tools/testing/selftests/futex/include/futextest.h b/tools/testing/selftests/futex/include/futextest.h
index b98c3aba7102..ddbcfc9b7bac 100644
--- a/tools/testing/selftests/futex/include/futextest.h
+++ b/tools/testing/selftests/futex/include/futextest.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/******************************************************************************
*
* Copyright © International Business Machines Corp., 2009
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* Glibc independent futex library for testing kernel functionality.
*
diff --git a/tools/testing/selftests/futex/include/logging.h b/tools/testing/selftests/futex/include/logging.h
index 01989644e50a..874c69ce5cce 100644
--- a/tools/testing/selftests/futex/include/logging.h
+++ b/tools/testing/selftests/futex/include/logging.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/******************************************************************************
*
* Copyright © International Business Machines Corp., 2009
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* DESCRIPTION
* Glibc independent futex library for testing kernel functionality.
*
diff --git a/tools/testing/selftests/futex/run.sh b/tools/testing/selftests/futex/run.sh
index 88bcb1767362..5e76ea18f9fa 100755
--- a/tools/testing/selftests/futex/run.sh
+++ b/tools/testing/selftests/futex/run.sh
@@ -1,14 +1,10 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
###############################################################################
#
# Copyright © International Business Machines Corp., 2009
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
# DESCRIPTION
# Run all tests under the functional, performance, and stress directories.
# Format and summarize the results.
diff --git a/tools/testing/selftests/gpio/gpio-mockup-chardev.c b/tools/testing/selftests/gpio/gpio-mockup-chardev.c
index aaa1e9f083c3..73ead8828d3a 100644
--- a/tools/testing/selftests/gpio/gpio-mockup-chardev.c
+++ b/tools/testing/selftests/gpio/gpio-mockup-chardev.c
@@ -1,18 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* GPIO chardev test helper
*
* Copyright (C) 2016 Bamvor Jian Zhang
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
*/
#define _GNU_SOURCE
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
-#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
diff --git a/tools/testing/selftests/ia64/aliasing-test.c b/tools/testing/selftests/ia64/aliasing-test.c
index 62a190d45f38..1ad6896f10f7 100644
--- a/tools/testing/selftests/ia64/aliasing-test.c
+++ b/tools/testing/selftests/ia64/aliasing-test.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Exercise /dev/mem mmap cases that have been troublesome in the past
*
* (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
* Bjorn Helgaas <bjorn.helgaas@hp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <stdlib.h>
diff --git a/tools/testing/selftests/ima/config b/tools/testing/selftests/ima/config
deleted file mode 100644
index 6bc86d4d9bb4..000000000000
--- a/tools/testing/selftests/ima/config
+++ /dev/null
@@ -1,4 +0,0 @@
-CONFIG_IMA_APPRAISE
-CONFIG_IMA_ARCH_POLICY
-CONFIG_SECURITYFS
-CONFIG_KEXEC_VERIFY_SIG
diff --git a/tools/testing/selftests/ima/test_kexec_load.sh b/tools/testing/selftests/ima/test_kexec_load.sh
deleted file mode 100755
index 1c10093fb526..000000000000
--- a/tools/testing/selftests/ima/test_kexec_load.sh
+++ /dev/null
@@ -1,54 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0+
-# Loading a kernel image via the kexec_load syscall should fail
-# when the kerne is CONFIG_KEXEC_VERIFY_SIG enabled and the system
-# is booted in secureboot mode.
-
-TEST="$0"
-EFIVARFS="/sys/firmware/efi/efivars"
-rc=0
-
-# Kselftest framework requirement - SKIP code is 4.
-ksft_skip=4
-
-# kexec requires root privileges
-if [ $UID != 0 ]; then
- echo "$TEST: must be run as root" >&2
- exit $ksft_skip
-fi
-
-# Make sure that efivars is mounted in the normal location
-if ! grep -q "^\S\+ $EFIVARFS efivarfs" /proc/mounts; then
- echo "$TEST: efivars is not mounted on $EFIVARFS" >&2
- exit $ksft_skip
-fi
-
-# Get secureboot mode
-file="$EFIVARFS/SecureBoot-*"
-if [ ! -e $file ]; then
- echo "$TEST: unknown secureboot mode" >&2
- exit $ksft_skip
-fi
-secureboot=`hexdump $file | awk '{print substr($4,length($4),1)}'`
-
-# kexec_load should fail in secure boot mode
-KERNEL_IMAGE="/boot/vmlinuz-`uname -r`"
-kexec -l $KERNEL_IMAGE &>> /dev/null
-if [ $? == 0 ]; then
- kexec -u
- if [ "$secureboot" == "1" ]; then
- echo "$TEST: kexec_load succeeded [FAIL]"
- rc=1
- else
- echo "$TEST: kexec_load succeeded [PASS]"
- fi
-else
- if [ "$secureboot" == "1" ]; then
- echo "$TEST: kexec_load failed [PASS]"
- else
- echo "$TEST: kexec_load failed [FAIL]"
- rc=1
- fi
-fi
-
-exit $rc
diff --git a/tools/testing/selftests/ipc/msgque.c b/tools/testing/selftests/ipc/msgque.c
index dac927e82336..4c156aeab6b8 100644
--- a/tools/testing/selftests/ipc/msgque.c
+++ b/tools/testing/selftests/ipc/msgque.c
@@ -1,9 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
-#include <linux/msg.h>
+#include <sys/msg.h>
#include <fcntl.h>
#include "../kselftest.h"
@@ -73,7 +74,7 @@ int restore_queue(struct msgque_data *msgque)
return 0;
destroy:
- if (msgctl(id, IPC_RMID, 0))
+ if (msgctl(id, IPC_RMID, NULL))
printf("Failed to destroy queue: %d\n", -errno);
return ret;
}
@@ -120,7 +121,7 @@ int check_and_destroy_queue(struct msgque_data *msgque)
ret = 0;
err:
- if (msgctl(msgque->msq_id, IPC_RMID, 0)) {
+ if (msgctl(msgque->msq_id, IPC_RMID, NULL)) {
printf("Failed to destroy queue: %d\n", -errno);
return -errno;
}
@@ -129,7 +130,7 @@ err:
int dump_queue(struct msgque_data *msgque)
{
- struct msqid64_ds ds;
+ struct msqid_ds ds;
int kern_id;
int i, ret;
@@ -245,7 +246,7 @@ int main(int argc, char **argv)
return ksft_exit_pass();
err_destroy:
- if (msgctl(msgque.msq_id, IPC_RMID, 0)) {
+ if (msgctl(msgque.msq_id, IPC_RMID, NULL)) {
printf("Failed to destroy queue: %d\n", -errno);
return ksft_exit_fail();
}
diff --git a/tools/testing/selftests/ir/ir_loopback.c b/tools/testing/selftests/ir/ir_loopback.c
index 858c19caf224..e700e09e3682 100644
--- a/tools/testing/selftests/ir/ir_loopback.c
+++ b/tools/testing/selftests/ir/ir_loopback.c
@@ -27,6 +27,8 @@
#define TEST_SCANCODES 10
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+#define SYSFS_PATH_MAX 256
+#define DNAME_PATH_MAX 256
static const struct {
enum rc_proto proto;
@@ -51,12 +53,16 @@ static const struct {
{ RC_PROTO_RC6_6A_32, "rc-6-6a-32", 0xffffffff, "rc-6" },
{ RC_PROTO_RC6_MCE, "rc-6-mce", 0x00007fff, "rc-6" },
{ RC_PROTO_SHARP, "sharp", 0x1fff, "sharp" },
+ { RC_PROTO_IMON, "imon", 0x7fffffff, "imon" },
+ { RC_PROTO_RCMM12, "rcmm-12", 0x00000fff, "rcmm" },
+ { RC_PROTO_RCMM24, "rcmm-24", 0x00ffffff, "rcmm" },
+ { RC_PROTO_RCMM32, "rcmm-32", 0xffffffff, "rcmm" },
};
int lirc_open(const char *rc)
{
struct dirent *dent;
- char buf[100];
+ char buf[SYSFS_PATH_MAX + DNAME_PATH_MAX];
DIR *d;
int fd;
@@ -74,7 +80,7 @@ int lirc_open(const char *rc)
}
if (!dent)
- ksft_exit_fail_msg("cannot find lirc device for %s\n", rc);
+ ksft_exit_skip("cannot find lirc device for %s\n", rc);
closedir(d);
@@ -139,6 +145,11 @@ int main(int argc, char **argv)
(((scancode >> 8) ^ ~scancode) & 0xff) == 0)
continue;
+ if (rc_proto == RC_PROTO_RCMM32 &&
+ (scancode & 0x000c0000) != 0x000c0000 &&
+ scancode & 0x00008000)
+ continue;
+
struct lirc_scancode lsc = {
.rc_proto = rc_proto,
.scancode = scancode
diff --git a/tools/testing/selftests/ir/ir_loopback.sh b/tools/testing/selftests/ir/ir_loopback.sh
index 0a0b8dfa39be..b90dc9939f45 100755
--- a/tools/testing/selftests/ir/ir_loopback.sh
+++ b/tools/testing/selftests/ir/ir_loopback.sh
@@ -4,6 +4,11 @@
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
+if [ $UID != 0 ]; then
+ echo "Please run ir_loopback test as root [SKIP]"
+ exit $ksft_skip
+fi
+
if ! /sbin/modprobe -q -n rc-loopback; then
echo "ir_loopback: module rc-loopback is not found [SKIP]"
exit $ksft_skip
diff --git a/tools/testing/selftests/kcmp/Makefile b/tools/testing/selftests/kcmp/Makefile
index 47aa9887f9d4..b4d39f6b5124 100644
--- a/tools/testing/selftests/kcmp/Makefile
+++ b/tools/testing/selftests/kcmp/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS += -I../../../../usr/include/
TEST_GEN_PROGS := kcmp_test
diff --git a/tools/testing/selftests/ima/Makefile b/tools/testing/selftests/kexec/Makefile
index 0b3adf5444b6..aa91d2063249 100644
--- a/tools/testing/selftests/ima/Makefile
+++ b/tools/testing/selftests/kexec/Makefile
@@ -1,10 +1,12 @@
-# Makefile for kexec_load
+# SPDX-License-Identifier: GPL-2.0-only
+# Makefile for kexec tests
uname_M := $(shell uname -m 2>/dev/null || echo not)
ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
ifeq ($(ARCH),x86)
-TEST_PROGS := test_kexec_load.sh
+TEST_PROGS := test_kexec_load.sh test_kexec_file_load.sh
+TEST_FILES := kexec_common_lib.sh
include ../lib.mk
diff --git a/tools/testing/selftests/kexec/config b/tools/testing/selftests/kexec/config
new file mode 100644
index 000000000000..8962e862b2b8
--- /dev/null
+++ b/tools/testing/selftests/kexec/config
@@ -0,0 +1,3 @@
+CONFIG_IMA_APPRAISE=y
+CONFIG_IMA_ARCH_POLICY=y
+CONFIG_SECURITYFS=y
diff --git a/tools/testing/selftests/kexec/kexec_common_lib.sh b/tools/testing/selftests/kexec/kexec_common_lib.sh
new file mode 100755
index 000000000000..43017cfe88f7
--- /dev/null
+++ b/tools/testing/selftests/kexec/kexec_common_lib.sh
@@ -0,0 +1,220 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Kselftest framework defines: ksft_pass=0, ksft_fail=1, ksft_skip=4
+
+VERBOSE="${VERBOSE:-1}"
+IKCONFIG="/tmp/config-`uname -r`"
+KERNEL_IMAGE="/boot/vmlinuz-`uname -r`"
+SECURITYFS=$(grep "securityfs" /proc/mounts | awk '{print $2}')
+
+log_info()
+{
+ [ $VERBOSE -ne 0 ] && echo "[INFO] $1"
+}
+
+# The ksefltest framework requirement returns 0 for PASS.
+log_pass()
+{
+ [ $VERBOSE -ne 0 ] && echo "$1 [PASS]"
+ exit 0
+}
+
+# The ksefltest framework requirement returns 1 for FAIL.
+log_fail()
+{
+ [ $VERBOSE -ne 0 ] && echo "$1 [FAIL]"
+ exit 1
+}
+
+# The ksefltest framework requirement returns 4 for SKIP.
+log_skip()
+{
+ [ $VERBOSE -ne 0 ] && echo "$1"
+ exit 4
+}
+
+# Check efivar SecureBoot-$(the UUID) and SetupMode-$(the UUID).
+# (Based on kdump-lib.sh)
+get_efivarfs_secureboot_mode()
+{
+ local efivarfs="/sys/firmware/efi/efivars"
+ local secure_boot_file=""
+ local setup_mode_file=""
+ local secureboot_mode=0
+ local setup_mode=0
+
+ # Make sure that efivar_fs is mounted in the normal location
+ if ! grep -q "^\S\+ $efivarfs efivarfs" /proc/mounts; then
+ log_info "efivars is not mounted on $efivarfs"
+ return 0;
+ fi
+ secure_boot_file=$(find "$efivarfs" -name SecureBoot-* 2>/dev/null)
+ setup_mode_file=$(find "$efivarfs" -name SetupMode-* 2>/dev/null)
+ if [ -f "$secure_boot_file" ] && [ -f "$setup_mode_file" ]; then
+ secureboot_mode=$(hexdump -v -e '/1 "%d\ "' \
+ "$secure_boot_file"|cut -d' ' -f 5)
+ setup_mode=$(hexdump -v -e '/1 "%d\ "' \
+ "$setup_mode_file"|cut -d' ' -f 5)
+
+ if [ $secureboot_mode -eq 1 ] && [ $setup_mode -eq 0 ]; then
+ log_info "secure boot mode enabled (CONFIG_EFIVAR_FS)"
+ return 1;
+ fi
+ fi
+ return 0;
+}
+
+get_efi_var_secureboot_mode()
+{
+ local efi_vars
+ local secure_boot_file
+ local setup_mode_file
+ local secureboot_mode
+ local setup_mode
+
+ if [ ! -d "$efi_vars" ]; then
+ log_skip "efi_vars is not enabled\n"
+ fi
+ secure_boot_file=$(find "$efi_vars" -name SecureBoot-* 2>/dev/null)
+ setup_mode_file=$(find "$efi_vars" -name SetupMode-* 2>/dev/null)
+ if [ -f "$secure_boot_file/data" ] && \
+ [ -f "$setup_mode_file/data" ]; then
+ secureboot_mode=`od -An -t u1 "$secure_boot_file/data"`
+ setup_mode=`od -An -t u1 "$setup_mode_file/data"`
+
+ if [ $secureboot_mode -eq 1 ] && [ $setup_mode -eq 0 ]; then
+ log_info "secure boot mode enabled (CONFIG_EFI_VARS)"
+ return 1;
+ fi
+ fi
+ return 0;
+}
+
+# Check efivar SecureBoot-$(the UUID) and SetupMode-$(the UUID).
+# The secure boot mode can be accessed either as the last integer
+# of "od -An -t u1 /sys/firmware/efi/efivars/SecureBoot-*" or from
+# "od -An -t u1 /sys/firmware/efi/vars/SecureBoot-*/data". The efi
+# SetupMode can be similarly accessed.
+# Return 1 for SecureBoot mode enabled and SetupMode mode disabled.
+get_secureboot_mode()
+{
+ local secureboot_mode=0
+
+ get_efivarfs_secureboot_mode
+ secureboot_mode=$?
+
+ # fallback to using the efi_var files
+ if [ $secureboot_mode -eq 0 ]; then
+ get_efi_var_secureboot_mode
+ secureboot_mode=$?
+ fi
+
+ if [ $secureboot_mode -eq 0 ]; then
+ log_info "secure boot mode not enabled"
+ fi
+ return $secureboot_mode;
+}
+
+require_root_privileges()
+{
+ if [ $(id -ru) -ne 0 ]; then
+ log_skip "requires root privileges"
+ fi
+}
+
+# Look for config option in Kconfig file.
+# Return 1 for found and 0 for not found.
+kconfig_enabled()
+{
+ local config="$1"
+ local msg="$2"
+
+ grep -E -q $config $IKCONFIG
+ if [ $? -eq 0 ]; then
+ log_info "$msg"
+ return 1
+ fi
+ return 0
+}
+
+# Attempt to get the kernel config first via proc, and then by
+# extracting it from the kernel image or the configs.ko using
+# scripts/extract-ikconfig.
+# Return 1 for found.
+get_kconfig()
+{
+ local proc_config="/proc/config.gz"
+ local module_dir="/lib/modules/`uname -r`"
+ local configs_module="$module_dir/kernel/kernel/configs.ko"
+
+ if [ ! -f $proc_config ]; then
+ modprobe configs > /dev/null 2>&1
+ fi
+ if [ -f $proc_config ]; then
+ cat $proc_config | gunzip > $IKCONFIG 2>/dev/null
+ if [ $? -eq 0 ]; then
+ return 1
+ fi
+ fi
+
+ local extract_ikconfig="$module_dir/source/scripts/extract-ikconfig"
+ if [ ! -f $extract_ikconfig ]; then
+ log_skip "extract-ikconfig not found"
+ fi
+
+ $extract_ikconfig $KERNEL_IMAGE > $IKCONFIG 2>/dev/null
+ if [ $? -eq 1 ]; then
+ if [ ! -f $configs_module ]; then
+ log_skip "CONFIG_IKCONFIG not enabled"
+ fi
+ $extract_ikconfig $configs_module > $IKCONFIG
+ if [ $? -eq 1 ]; then
+ log_skip "CONFIG_IKCONFIG not enabled"
+ fi
+ fi
+ return 1
+}
+
+# Make sure that securityfs is mounted
+mount_securityfs()
+{
+ if [ -z $SECURITYFS ]; then
+ SECURITYFS=/sys/kernel/security
+ mount -t securityfs security $SECURITYFS
+ fi
+
+ if [ ! -d "$SECURITYFS" ]; then
+ log_fail "$SECURITYFS :securityfs is not mounted"
+ fi
+}
+
+# The policy rule format is an "action" followed by key-value pairs. This
+# function supports up to two key-value pairs, in any order.
+# For example: action func=<keyword> [appraise_type=<type>]
+# Return 1 for found and 0 for not found.
+check_ima_policy()
+{
+ local action="$1"
+ local keypair1="$2"
+ local keypair2="$3"
+ local ret=0
+
+ mount_securityfs
+
+ local ima_policy=$SECURITYFS/ima/policy
+ if [ ! -e $ima_policy ]; then
+ log_fail "$ima_policy not found"
+ fi
+
+ if [ -n $keypair2 ]; then
+ grep -e "^$action.*$keypair1" "$ima_policy" | \
+ grep -q -e "$keypair2"
+ else
+ grep -q -e "^$action.*$keypair1" "$ima_policy"
+ fi
+
+ # invert "grep -q" result, returning 1 for found.
+ [ $? -eq 0 ] && ret=1
+ return $ret
+}
diff --git a/tools/testing/selftests/kexec/test_kexec_file_load.sh b/tools/testing/selftests/kexec/test_kexec_file_load.sh
new file mode 100755
index 000000000000..fa7c24e8eefb
--- /dev/null
+++ b/tools/testing/selftests/kexec/test_kexec_file_load.sh
@@ -0,0 +1,208 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Loading a kernel image via the kexec_file_load syscall can verify either
+# the IMA signature stored in the security.ima xattr or the PE signature,
+# both signatures depending on the IMA policy, or none.
+#
+# To determine whether the kernel image is signed, this test depends
+# on pesign and getfattr. This test also requires the kernel to be
+# built with CONFIG_IKCONFIG enabled and either CONFIG_IKCONFIG_PROC
+# enabled or access to the extract-ikconfig script.
+
+TEST="KEXEC_FILE_LOAD"
+. ./kexec_common_lib.sh
+
+trap "{ rm -f $IKCONFIG ; }" EXIT
+
+# Some of the IMA builtin policies may require the kexec kernel image to
+# be signed, but these policy rules may be replaced with a custom
+# policy. Only CONFIG_IMA_APPRAISE_REQUIRE_KEXEC_SIGS persists after
+# loading a custom policy. Check if it is enabled, before reading the
+# IMA runtime sysfs policy file.
+# Return 1 for IMA signature required and 0 for not required.
+is_ima_sig_required()
+{
+ local ret=0
+
+ kconfig_enabled "CONFIG_IMA_APPRAISE_REQUIRE_KEXEC_SIGS=y" \
+ "IMA kernel image signature required"
+ if [ $? -eq 1 ]; then
+ log_info "IMA signature required"
+ return 1
+ fi
+
+ # The architecture specific or a custom policy may require the
+ # kexec kernel image be signed. Policy rules are walked
+ # sequentially. As a result, a policy rule may be defined, but
+ # might not necessarily be used. This test assumes if a policy
+ # rule is specified, that is the intent.
+ if [ $ima_read_policy -eq 1 ]; then
+ check_ima_policy "appraise" "func=KEXEC_KERNEL_CHECK" \
+ "appraise_type=imasig"
+ ret=$?
+ [ $ret -eq 1 ] && log_info "IMA signature required";
+ fi
+ return $ret
+}
+
+# The kexec_file_load_test() is complicated enough, require pesign.
+# Return 1 for PE signature found and 0 for not found.
+check_for_pesig()
+{
+ which pesign > /dev/null 2>&1 || log_skip "pesign not found"
+
+ pesign -i $KERNEL_IMAGE --show-signature | grep -q "No signatures"
+ local ret=$?
+ if [ $ret -eq 1 ]; then
+ log_info "kexec kernel image PE signed"
+ else
+ log_info "kexec kernel image not PE signed"
+ fi
+ return $ret
+}
+
+# The kexec_file_load_test() is complicated enough, require getfattr.
+# Return 1 for IMA signature found and 0 for not found.
+check_for_imasig()
+{
+ local ret=0
+
+ which getfattr > /dev/null 2>&1
+ if [ $? -eq 1 ]; then
+ log_skip "getfattr not found"
+ fi
+
+ line=$(getfattr -n security.ima -e hex --absolute-names $KERNEL_IMAGE 2>&1)
+ echo $line | grep -q "security.ima=0x03"
+ if [ $? -eq 0 ]; then
+ ret=1
+ log_info "kexec kernel image IMA signed"
+ else
+ log_info "kexec kernel image not IMA signed"
+ fi
+ return $ret
+}
+
+kexec_file_load_test()
+{
+ local succeed_msg="kexec_file_load succeeded"
+ local failed_msg="kexec_file_load failed"
+ local key_msg="try enabling the CONFIG_INTEGRITY_PLATFORM_KEYRING"
+
+ line=$(kexec --load --kexec-file-syscall $KERNEL_IMAGE 2>&1)
+
+ if [ $? -eq 0 ]; then
+ kexec --unload --kexec-file-syscall
+
+ # In secureboot mode with an architecture specific
+ # policy, make sure either an IMA or PE signature exists.
+ if [ $secureboot -eq 1 ] && [ $arch_policy -eq 1 ] && \
+ [ $ima_signed -eq 0 ] && [ $pe_signed -eq 0 ]; then
+ log_fail "$succeed_msg (missing sig)"
+ fi
+
+ if [ $kexec_sig_required -eq 1 -o $pe_sig_required -eq 1 ] \
+ && [ $pe_signed -eq 0 ]; then
+ log_fail "$succeed_msg (missing PE sig)"
+ fi
+
+ if [ $ima_sig_required -eq 1 ] && [ $ima_signed -eq 0 ]; then
+ log_fail "$succeed_msg (missing IMA sig)"
+ fi
+
+ if [ $pe_sig_required -eq 0 ] && [ $ima_appraise -eq 1 ] \
+ && [ $ima_sig_required -eq 0 ] && [ $ima_signed -eq 0 ] \
+ && [ $ima_read_policy -eq 0 ]; then
+ log_fail "$succeed_msg (possibly missing IMA sig)"
+ fi
+
+ if [ $pe_sig_required -eq 0 ] && [ $ima_appraise -eq 0 ]; then
+ log_info "No signature verification required"
+ elif [ $pe_sig_required -eq 0 ] && [ $ima_appraise -eq 1 ] \
+ && [ $ima_sig_required -eq 0 ] && [ $ima_signed -eq 0 ] \
+ && [ $ima_read_policy -eq 1 ]; then
+ log_info "No signature verification required"
+ fi
+
+ log_pass "$succeed_msg"
+ fi
+
+ # Check the reason for the kexec_file_load failure
+ echo $line | grep -q "Required key not available"
+ if [ $? -eq 0 ]; then
+ if [ $platform_keyring -eq 0 ]; then
+ log_pass "$failed_msg (-ENOKEY), $key_msg"
+ else
+ log_pass "$failed_msg (-ENOKEY)"
+ fi
+ fi
+
+ if [ $kexec_sig_required -eq 1 -o $pe_sig_required -eq 1 ] \
+ && [ $pe_signed -eq 0 ]; then
+ log_pass "$failed_msg (missing PE sig)"
+ fi
+
+ if [ $ima_sig_required -eq 1 ] && [ $ima_signed -eq 0 ]; then
+ log_pass "$failed_msg (missing IMA sig)"
+ fi
+
+ if [ $pe_sig_required -eq 0 ] && [ $ima_appraise -eq 1 ] \
+ && [ $ima_sig_required -eq 0 ] && [ $ima_read_policy -eq 0 ] \
+ && [ $ima_signed -eq 0 ]; then
+ log_pass "$failed_msg (possibly missing IMA sig)"
+ fi
+
+ log_pass "$failed_msg"
+ return 0
+}
+
+# kexec requires root privileges
+require_root_privileges
+
+# get the kernel config
+get_kconfig
+
+kconfig_enabled "CONFIG_KEXEC_FILE=y" "kexec_file_load is enabled"
+if [ $? -eq 0 ]; then
+ log_skip "kexec_file_load is not enabled"
+fi
+
+# Determine which kernel config options are enabled
+kconfig_enabled "CONFIG_IMA_APPRAISE=y" "IMA enabled"
+ima_appraise=$?
+
+kconfig_enabled "CONFIG_IMA_ARCH_POLICY=y" \
+ "architecture specific policy enabled"
+arch_policy=$?
+
+kconfig_enabled "CONFIG_INTEGRITY_PLATFORM_KEYRING=y" \
+ "platform keyring enabled"
+platform_keyring=$?
+
+kconfig_enabled "CONFIG_IMA_READ_POLICY=y" "reading IMA policy permitted"
+ima_read_policy=$?
+
+kconfig_enabled "CONFIG_KEXEC_SIG_FORCE=y" \
+ "kexec signed kernel image required"
+kexec_sig_required=$?
+
+kconfig_enabled "CONFIG_KEXEC_BZIMAGE_VERIFY_SIG=y" \
+ "PE signed kernel image required"
+pe_sig_required=$?
+
+is_ima_sig_required
+ima_sig_required=$?
+
+get_secureboot_mode
+secureboot=$?
+
+# Are there pe and ima signatures
+check_for_pesig
+pe_signed=$?
+
+check_for_imasig
+ima_signed=$?
+
+# Test loading the kernel image via kexec_file_load syscall
+kexec_file_load_test
diff --git a/tools/testing/selftests/kexec/test_kexec_load.sh b/tools/testing/selftests/kexec/test_kexec_load.sh
new file mode 100755
index 000000000000..49c6aa929137
--- /dev/null
+++ b/tools/testing/selftests/kexec/test_kexec_load.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Prevent loading a kernel image via the kexec_load syscall when
+# signatures are required. (Dependent on CONFIG_IMA_ARCH_POLICY.)
+
+TEST="$0"
+. ./kexec_common_lib.sh
+
+# kexec requires root privileges
+require_root_privileges
+
+# get the kernel config
+get_kconfig
+
+kconfig_enabled "CONFIG_KEXEC=y" "kexec_load is enabled"
+if [ $? -eq 0 ]; then
+ log_skip "kexec_load is not enabled"
+fi
+
+kconfig_enabled "CONFIG_IMA_APPRAISE=y" "IMA enabled"
+ima_appraise=$?
+
+kconfig_enabled "CONFIG_IMA_ARCH_POLICY=y" \
+ "IMA architecture specific policy enabled"
+arch_policy=$?
+
+get_secureboot_mode
+secureboot=$?
+
+# kexec_load should fail in secure boot mode and CONFIG_IMA_ARCH_POLICY enabled
+kexec --load $KERNEL_IMAGE > /dev/null 2>&1
+if [ $? -eq 0 ]; then
+ kexec --unload
+ if [ $secureboot -eq 1 ] && [ $arch_policy -eq 1 ]; then
+ log_fail "kexec_load succeeded"
+ elif [ $ima_appraise -eq 0 -o $arch_policy -eq 0 ]; then
+ log_info "Either IMA or the IMA arch policy is not enabled"
+ fi
+ log_pass "kexec_load succeeded"
+else
+ if [ $secureboot -eq 1 ] && [ $arch_policy -eq 1 ] ; then
+ log_pass "kexec_load failed"
+ else
+ log_fail "kexec_load failed"
+ fi
+fi
diff --git a/tools/testing/selftests/kmod/Makefile b/tools/testing/selftests/kmod/Makefile
index fa2ccc5fb3de..5b3e746a0bee 100644
--- a/tools/testing/selftests/kmod/Makefile
+++ b/tools/testing/selftests/kmod/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
# Makefile for kmod loading selftests
# No binaries, but make sure arg-less "make" doesn't trigger "run_tests"
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index a3edb2c8e43d..ec15c4f6af55 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -13,6 +13,7 @@
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
+#include <stdio.h>
/* define kselftest exit codes */
#define KSFT_PASS 0
@@ -32,6 +33,7 @@ struct ksft_count {
};
static struct ksft_count ksft_cnt;
+static unsigned int ksft_plan;
static inline int ksft_test_num(void)
{
@@ -60,13 +62,21 @@ static inline void ksft_print_header(void)
printf("TAP version 13\n");
}
+static inline void ksft_set_plan(unsigned int plan)
+{
+ ksft_plan = plan;
+ printf("1..%d\n", ksft_plan);
+}
+
static inline void ksft_print_cnts(void)
{
- printf("Pass %d Fail %d Xfail %d Xpass %d Skip %d Error %d\n",
+ if (ksft_plan != ksft_test_num())
+ printf("# Planned tests != run tests (%u != %u)\n",
+ ksft_plan, ksft_test_num());
+ printf("# Pass %d Fail %d Xfail %d Xpass %d Skip %d Error %d\n",
ksft_cnt.ksft_pass, ksft_cnt.ksft_fail,
ksft_cnt.ksft_xfail, ksft_cnt.ksft_xpass,
ksft_cnt.ksft_xskip, ksft_cnt.ksft_error);
- printf("1..%d\n", ksft_test_num());
}
static inline void ksft_print_msg(const char *msg, ...)
@@ -110,7 +120,7 @@ static inline void ksft_test_result_skip(const char *msg, ...)
ksft_cnt.ksft_xskip++;
va_start(args, msg);
- printf("ok %d # skip ", ksft_test_num());
+ printf("not ok %d # SKIP ", ksft_test_num());
vprintf(msg, args);
va_end(args);
}
@@ -171,7 +181,7 @@ static inline int ksft_exit_skip(const char *msg, ...)
va_list args;
va_start(args, msg);
- printf("1..%d # Skipped: ", ksft_test_num());
+ printf("not ok %d # SKIP ", 1 + ksft_test_num());
vprintf(msg, args);
va_end(args);
} else {
diff --git a/tools/testing/selftests/kselftest/prefix.pl b/tools/testing/selftests/kselftest/prefix.pl
new file mode 100755
index 000000000000..ec7e48118183
--- /dev/null
+++ b/tools/testing/selftests/kselftest/prefix.pl
@@ -0,0 +1,23 @@
+#!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0
+# Prefix all lines with "# ", unbuffered. Command being piped in may need
+# to have unbuffering forced with "stdbuf -i0 -o0 -e0 $cmd".
+use strict;
+
+binmode STDIN;
+binmode STDOUT;
+
+STDOUT->autoflush(1);
+
+my $needed = 1;
+while (1) {
+ my $char;
+ my $bytes = sysread(STDIN, $char, 1);
+ exit 0 if ($bytes == 0);
+ if ($needed) {
+ print "# ";
+ $needed = 0;
+ }
+ print $char;
+ $needed = 1 if ($char eq "\n");
+}
diff --git a/tools/testing/selftests/kselftest/runner.sh b/tools/testing/selftests/kselftest/runner.sh
new file mode 100644
index 000000000000..00c9020bdda8
--- /dev/null
+++ b/tools/testing/selftests/kselftest/runner.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Runs a set of tests in a given subdirectory.
+export skip_rc=4
+export logfile=/dev/stdout
+export per_test_logging=
+
+# There isn't a shell-agnostic way to find the path of a sourced file,
+# so we must rely on BASE_DIR being set to find other tools.
+if [ -z "$BASE_DIR" ]; then
+ echo "Error: BASE_DIR must be set before sourcing." >&2
+ exit 1
+fi
+
+# If Perl is unavailable, we must fall back to line-at-a-time prefixing
+# with sed instead of unbuffered output.
+tap_prefix()
+{
+ if [ ! -x /usr/bin/perl ]; then
+ sed -e 's/^/# /'
+ else
+ "$BASE_DIR"/kselftest/prefix.pl
+ fi
+}
+
+run_one()
+{
+ DIR="$1"
+ TEST="$2"
+ NUM="$3"
+
+ BASENAME_TEST=$(basename $TEST)
+
+ TEST_HDR_MSG="selftests: $DIR: $BASENAME_TEST"
+ echo "# $TEST_HDR_MSG"
+ if [ ! -x "$TEST" ]; then
+ echo -n "# Warning: file $TEST is "
+ if [ ! -e "$TEST" ]; then
+ echo "missing!"
+ else
+ echo "not executable, correct this."
+ fi
+ echo "not ok $test_num $TEST_HDR_MSG"
+ else
+ cd `dirname $TEST` > /dev/null
+ (((((./$BASENAME_TEST 2>&1; echo $? >&3) |
+ tap_prefix >&4) 3>&1) |
+ (read xs; exit $xs)) 4>>"$logfile" &&
+ echo "ok $test_num $TEST_HDR_MSG") ||
+ (if [ $? -eq $skip_rc ]; then \
+ echo "not ok $test_num $TEST_HDR_MSG # SKIP"
+ else
+ echo "not ok $test_num $TEST_HDR_MSG"
+ fi)
+ cd - >/dev/null
+ fi
+}
+
+run_many()
+{
+ echo "TAP version 13"
+ DIR=$(basename "$PWD")
+ test_num=0
+ total=$(echo "$@" | wc -w)
+ echo "1..$total"
+ for TEST in "$@"; do
+ BASENAME_TEST=$(basename $TEST)
+ test_num=$(( test_num + 1 ))
+ if [ -n "$per_test_logging" ]; then
+ logfile="/tmp/$BASENAME_TEST"
+ cat /dev/null > "$logfile"
+ fi
+ run_one "$DIR" "$TEST" "$test_num"
+ done
+}
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index 76d654ef3234..5336b26506ab 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by the GPLv2 license.
*
* kselftest_harness.h: simple C unit test helper.
*
@@ -62,6 +62,7 @@
#include <sys/wait.h>
#include <unistd.h>
+#define TEST_TIMEOUT_DEFAULT 30
/* Utilities exposed to the test definitions */
#ifndef TH_LOG_STREAM
@@ -168,8 +169,9 @@
#define __TEST_IMPL(test_name, _signal) \
static void test_name(struct __test_metadata *_metadata); \
static struct __test_metadata _##test_name##_object = \
- { name: "global." #test_name, \
- fn: &test_name, termsig: _signal }; \
+ { .name = "global." #test_name, \
+ .fn = &test_name, .termsig = _signal, \
+ .timeout = TEST_TIMEOUT_DEFAULT, }; \
static void __attribute__((constructor)) _register_##test_name(void) \
{ \
__register_test(&_##test_name##_object); \
@@ -280,12 +282,15 @@
*/
/* TODO(wad) register fixtures on dedicated test lists. */
#define TEST_F(fixture_name, test_name) \
- __TEST_F_IMPL(fixture_name, test_name, -1)
+ __TEST_F_IMPL(fixture_name, test_name, -1, TEST_TIMEOUT_DEFAULT)
#define TEST_F_SIGNAL(fixture_name, test_name, signal) \
- __TEST_F_IMPL(fixture_name, test_name, signal)
+ __TEST_F_IMPL(fixture_name, test_name, signal, TEST_TIMEOUT_DEFAULT)
-#define __TEST_F_IMPL(fixture_name, test_name, signal) \
+#define TEST_F_TIMEOUT(fixture_name, test_name, timeout) \
+ __TEST_F_IMPL(fixture_name, test_name, -1, timeout)
+
+#define __TEST_F_IMPL(fixture_name, test_name, signal, tmout) \
static void fixture_name##_##test_name( \
struct __test_metadata *_metadata, \
FIXTURE_DATA(fixture_name) *self); \
@@ -304,9 +309,10 @@
} \
static struct __test_metadata \
_##fixture_name##_##test_name##_object = { \
- name: #fixture_name "." #test_name, \
- fn: &wrapper_##fixture_name##_##test_name, \
- termsig: signal, \
+ .name = #fixture_name "." #test_name, \
+ .fn = &wrapper_##fixture_name##_##test_name, \
+ .termsig = signal, \
+ .timeout = tmout, \
}; \
static void __attribute__((constructor)) \
_register_##fixture_name##_##test_name(void) \
@@ -632,6 +638,7 @@ struct __test_metadata {
int termsig;
int passed;
int trigger; /* extra handler after the evaluation */
+ int timeout;
__u8 step;
bool no_print; /* manual trigger when TH_LOG_STREAM is not available */
struct __test_metadata *prev, *next;
@@ -696,6 +703,7 @@ void __run_test(struct __test_metadata *t)
t->passed = 1;
t->trigger = 0;
printf("[ RUN ] %s\n", t->name);
+ alarm(t->timeout);
child_pid = fork();
if (child_pid < 0) {
printf("ERROR SPAWNING TEST CHILD\n");
@@ -744,6 +752,7 @@ void __run_test(struct __test_metadata *t)
}
}
printf("[ %4s ] %s\n", (t->passed ? "OK" : "FAIL"), t->name);
+ alarm(0);
}
static int test_harness_run(int __attribute__((unused)) argc,
diff --git a/tools/testing/selftests/kselftest_module.h b/tools/testing/selftests/kselftest_module.h
new file mode 100644
index 000000000000..e8eafaf0941a
--- /dev/null
+++ b/tools/testing/selftests/kselftest_module.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+#ifndef __KSELFTEST_MODULE_H
+#define __KSELFTEST_MODULE_H
+
+#include <linux/module.h>
+
+/*
+ * Test framework for writing test modules to be loaded by kselftest.
+ * See Documentation/dev-tools/kselftest.rst for an example test module.
+ */
+
+#define KSTM_MODULE_GLOBALS() \
+static unsigned int total_tests __initdata; \
+static unsigned int failed_tests __initdata
+
+#define KSTM_CHECK_ZERO(x) do { \
+ total_tests++; \
+ if (x) { \
+ pr_warn("TC failed at %s:%d\n", __func__, __LINE__); \
+ failed_tests++; \
+ } \
+} while (0)
+
+static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests)
+{
+ if (failed_tests == 0)
+ pr_info("all %u tests passed\n", total_tests);
+ else
+ pr_warn("failed %u out of %u tests\n", failed_tests, total_tests);
+
+ return failed_tests ? -EINVAL : 0;
+}
+
+#define KSTM_MODULE_LOADERS(__module) \
+static int __init __module##_init(void) \
+{ \
+ pr_info("loaded.\n"); \
+ selftest(); \
+ return kstm_report(total_tests, failed_tests); \
+} \
+static void __exit __module##_exit(void) \
+{ \
+ pr_info("unloaded.\n"); \
+} \
+module_init(__module##_init); \
+module_exit(__module##_exit)
+
+#endif /* __KSELFTEST_MODULE_H */
diff --git a/tools/testing/selftests/kselftest_module.sh b/tools/testing/selftests/kselftest_module.sh
new file mode 100755
index 000000000000..18e1c7992d30
--- /dev/null
+++ b/tools/testing/selftests/kselftest_module.sh
@@ -0,0 +1,84 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
+
+#
+# Runs an individual test module.
+#
+# kselftest expects a separate executable for each test, this can be
+# created by adding a script like this:
+#
+# #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
+# $(dirname $0)/../kselftest_module.sh "description" module_name
+#
+# Example: tools/testing/selftests/lib/printf.sh
+
+desc="" # Output prefix.
+module="" # Filename (without the .ko).
+args="" # modprobe arguments.
+
+modprobe="/sbin/modprobe"
+
+main() {
+ parse_args "$@"
+ assert_root
+ assert_have_module
+ run_module
+}
+
+parse_args() {
+ script=${0##*/}
+
+ if [ $# -lt 2 ]; then
+ echo "Usage: $script <description> <module_name> [FAIL]"
+ exit 1
+ fi
+
+ desc="$1"
+ shift || true
+ module="$1"
+ shift || true
+ args="$@"
+}
+
+assert_root() {
+ if [ ! -w /dev ]; then
+ skip "please run as root"
+ fi
+}
+
+assert_have_module() {
+ if ! $modprobe -q -n $module; then
+ skip "module $module is not found"
+ fi
+}
+
+run_module() {
+ if $modprobe -q $module $args; then
+ $modprobe -q -r $module
+ say "ok"
+ else
+ fail ""
+ fi
+}
+
+say() {
+ echo "$desc: $1"
+}
+
+
+fail() {
+ say "$1 [FAIL]" >&2
+ exit 1
+}
+
+skip() {
+ say "$1 [SKIP]" >&2
+ # Kselftest framework requirement - SKIP code is 4.
+ exit 4
+}
+
+#
+# Main script
+#
+main "$@"
diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore
index 6210ba41c29e..41266af0d3dc 100644
--- a/tools/testing/selftests/kvm/.gitignore
+++ b/tools/testing/selftests/kvm/.gitignore
@@ -1,8 +1,15 @@
/x86_64/cr4_cpuid_sync_test
/x86_64/evmcs_test
+/x86_64/hyperv_cpuid
+/x86_64/kvm_create_max_vcpus
+/x86_64/mmio_warning_test
/x86_64/platform_info_test
/x86_64/set_sregs_test
+/x86_64/smm_test
+/x86_64/state_test
/x86_64/sync_regs_test
+/x86_64/vmx_close_while_nested_test
+/x86_64/vmx_set_nested_state_test
/x86_64/vmx_tsc_adjust_test
-/x86_64/state_test
+/clear_dirty_log_test
/dirty_log_test
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index f9a0e9938480..62afd0b43074 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -1,3 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+include ../../../../scripts/Kbuild.include
+
all:
top_srcdir = ../../../..
@@ -8,19 +11,24 @@ LIBKVM = lib/assert.c lib/elf.c lib/io.c lib/kvm_util.c lib/ucall.c lib/sparsebi
LIBKVM_x86_64 = lib/x86_64/processor.c lib/x86_64/vmx.c
LIBKVM_aarch64 = lib/aarch64/processor.c
-TEST_GEN_PROGS_x86_64 = x86_64/platform_info_test
+TEST_GEN_PROGS_x86_64 = x86_64/cr4_cpuid_sync_test
+TEST_GEN_PROGS_x86_64 += x86_64/evmcs_test
+TEST_GEN_PROGS_x86_64 += x86_64/hyperv_cpuid
+TEST_GEN_PROGS_x86_64 += x86_64/kvm_create_max_vcpus
+TEST_GEN_PROGS_x86_64 += x86_64/mmio_warning_test
+TEST_GEN_PROGS_x86_64 += x86_64/platform_info_test
TEST_GEN_PROGS_x86_64 += x86_64/set_sregs_test
+TEST_GEN_PROGS_x86_64 += x86_64/smm_test
+TEST_GEN_PROGS_x86_64 += x86_64/state_test
TEST_GEN_PROGS_x86_64 += x86_64/sync_regs_test
+TEST_GEN_PROGS_x86_64 += x86_64/vmx_close_while_nested_test
+TEST_GEN_PROGS_x86_64 += x86_64/vmx_set_nested_state_test
TEST_GEN_PROGS_x86_64 += x86_64/vmx_tsc_adjust_test
-TEST_GEN_PROGS_x86_64 += x86_64/cr4_cpuid_sync_test
-TEST_GEN_PROGS_x86_64 += x86_64/state_test
-TEST_GEN_PROGS_x86_64 += x86_64/evmcs_test
-TEST_GEN_PROGS_x86_64 += x86_64/hyperv_cpuid
-TEST_GEN_PROGS_x86_64 += dirty_log_test
TEST_GEN_PROGS_x86_64 += clear_dirty_log_test
+TEST_GEN_PROGS_x86_64 += dirty_log_test
-TEST_GEN_PROGS_aarch64 += dirty_log_test
TEST_GEN_PROGS_aarch64 += clear_dirty_log_test
+TEST_GEN_PROGS_aarch64 += dirty_log_test
TEST_GEN_PROGS += $(TEST_GEN_PROGS_$(UNAME_M))
LIBKVM += $(LIBKVM_$(UNAME_M))
@@ -28,8 +36,14 @@ LIBKVM += $(LIBKVM_$(UNAME_M))
INSTALL_HDR_PATH = $(top_srcdir)/usr
LINUX_HDR_PATH = $(INSTALL_HDR_PATH)/include/
LINUX_TOOL_INCLUDE = $(top_srcdir)/tools/include
-CFLAGS += -O2 -g -std=gnu99 -I$(LINUX_TOOL_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude -I$(<D) -Iinclude/$(UNAME_M) -I..
-LDFLAGS += -pthread
+CFLAGS += -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99 \
+ -fno-stack-protector -fno-PIE -I$(LINUX_TOOL_INCLUDE) \
+ -I$(LINUX_HDR_PATH) -Iinclude -I$(<D) -Iinclude/$(UNAME_M) -I..
+
+no-pie-option := $(call try-run, echo 'int main() { return 0; }' | \
+ $(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -no-pie -x c - -o "$$TMP", -no-pie)
+
+LDFLAGS += -pthread $(no-pie-option)
# After inclusion, $(OUTPUT) is defined and
# $(TEST_GEN_PROGS) starts with $(OUTPUT)/
diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c
index 4715cfba20dc..ceb52b952637 100644
--- a/tools/testing/selftests/kvm/dirty_log_test.c
+++ b/tools/testing/selftests/kvm/dirty_log_test.c
@@ -121,7 +121,6 @@ static void *vcpu_worker(void *data)
uint64_t *guest_array;
uint64_t pages_count = 0;
struct kvm_run *run;
- struct ucall uc;
run = vcpu_state(vm, VCPU_ID);
@@ -131,7 +130,8 @@ static void *vcpu_worker(void *data)
while (!READ_ONCE(host_quit)) {
/* Let the guest dirty the random pages */
ret = _vcpu_run(vm, VCPU_ID);
- if (get_ucall(vm, VCPU_ID, &uc) == UCALL_SYNC) {
+ TEST_ASSERT(ret == 0, "vcpu_run failed: %d\n", ret);
+ if (get_ucall(vm, VCPU_ID, NULL) == UCALL_SYNC) {
pages_count += TEST_PAGES_PER_LOOP;
generate_random_array(guest_array, TEST_PAGES_PER_LOOP);
} else {
@@ -288,8 +288,11 @@ static void run_test(enum vm_guest_mode mode, unsigned long iterations,
#endif
max_gfn = (1ul << (guest_pa_bits - guest_page_shift)) - 1;
guest_page_size = (1ul << guest_page_shift);
- /* 1G of guest page sized pages */
- guest_num_pages = (1ul << (30 - guest_page_shift));
+ /*
+ * A little more than 1G of guest page sized pages. Cover the
+ * case where the size is not aligned to 64 pages.
+ */
+ guest_num_pages = (1ul << (30 - guest_page_shift)) + 16;
host_page_size = getpagesize();
host_num_pages = (guest_num_pages * guest_page_size) / host_page_size +
!!((guest_num_pages * guest_page_size) % host_page_size);
@@ -311,7 +314,7 @@ static void run_test(enum vm_guest_mode mode, unsigned long iterations,
#ifdef USE_CLEAR_DIRTY_LOG
struct kvm_enable_cap cap = {};
- cap.cap = KVM_CAP_MANUAL_DIRTY_LOG_PROTECT;
+ cap.cap = KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2;
cap.args[0] = 1;
vm_enable_cap(vm, &cap);
#endif
@@ -359,7 +362,7 @@ static void run_test(enum vm_guest_mode mode, unsigned long iterations,
kvm_vm_get_dirty_log(vm, TEST_MEM_SLOT_INDEX, bmap);
#ifdef USE_CLEAR_DIRTY_LOG
kvm_vm_clear_dirty_log(vm, TEST_MEM_SLOT_INDEX, bmap, 0,
- DIV_ROUND_UP(host_num_pages, 64) * 64);
+ host_num_pages);
#endif
vm_dirty_log_verify(bmap);
iteration++;
@@ -423,11 +426,14 @@ int main(int argc, char *argv[])
unsigned long interval = TEST_HOST_LOOP_INTERVAL;
bool mode_selected = false;
uint64_t phys_offset = 0;
- unsigned int mode, host_ipa_limit;
+ unsigned int mode;
int opt, i;
+#ifdef __aarch64__
+ unsigned int host_ipa_limit;
+#endif
#ifdef USE_CLEAR_DIRTY_LOG
- if (!kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT)) {
+ if (!kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2)) {
fprintf(stderr, "KVM_CLEAR_DIRTY_LOG not available, skipping tests\n");
exit(KSFT_SKIP);
}
diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h
index 9ef2ab1a0c08..b7fa0c8551db 100644
--- a/tools/testing/selftests/kvm/include/aarch64/processor.h
+++ b/tools/testing/selftests/kvm/include/aarch64/processor.h
@@ -52,4 +52,8 @@ static inline void set_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id, uint
vcpu_ioctl(vm, vcpuid, KVM_SET_ONE_REG, &reg);
}
+void aarch64_vcpu_setup(struct kvm_vm *vm, int vcpuid, struct kvm_vcpu_init *init);
+void aarch64_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_vcpu_init *init, void *guest_code);
+
#endif /* SELFTEST_KVM_PROCESSOR_H */
diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index a84785b02557..00235f5932f0 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -1,10 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tools/testing/selftests/kvm/include/kvm_util.h
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
*/
#ifndef SELFTEST_KVM_UTIL_H
#define SELFTEST_KVM_UTIL_H
@@ -88,8 +86,7 @@ int _vcpu_ioctl(struct kvm_vm *vm, uint32_t vcpuid, unsigned long ioctl,
void *arg);
void vm_ioctl(struct kvm_vm *vm, unsigned long ioctl, void *arg);
void vm_mem_region_set_flags(struct kvm_vm *vm, uint32_t slot, uint32_t flags);
-void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid, int pgd_memslot,
- int gdt_memslot);
+void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid);
vm_vaddr_t vm_vaddr_alloc(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min,
uint32_t data_memslot, uint32_t pgd_memslot);
void virt_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
@@ -102,6 +99,7 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva);
struct kvm_run *vcpu_state(struct kvm_vm *vm, uint32_t vcpuid);
void vcpu_run(struct kvm_vm *vm, uint32_t vcpuid);
int _vcpu_run(struct kvm_vm *vm, uint32_t vcpuid);
+void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid);
void vcpu_set_mp_state(struct kvm_vm *vm, uint32_t vcpuid,
struct kvm_mp_state *mp_state);
void vcpu_regs_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs);
@@ -117,6 +115,12 @@ void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid,
struct kvm_vcpu_events *events);
void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid,
struct kvm_vcpu_events *events);
+#ifdef __x86_64__
+void vcpu_nested_state_get(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_nested_state *state);
+int vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_nested_state *state, bool ignore_error);
+#endif
const char *exit_reason_str(unsigned int exit_reason);
@@ -132,6 +136,8 @@ struct kvm_vm *vm_create_default(uint32_t vcpuid, uint64_t extra_mem_size,
void *guest_code);
void vm_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid, void *guest_code);
+bool vm_is_unrestricted_guest(struct kvm_vm *vm);
+
struct kvm_userspace_memory_region *
kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
uint64_t end);
diff --git a/tools/testing/selftests/kvm/include/sparsebit.h b/tools/testing/selftests/kvm/include/sparsebit.h
index 31e030915c1f..12a9a4b9cead 100644
--- a/tools/testing/selftests/kvm/include/sparsebit.h
+++ b/tools/testing/selftests/kvm/include/sparsebit.h
@@ -1,11 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tools/testing/selftests/kvm/include/sparsebit.h
*
* Copyright (C) 2018, Google LLC.
*
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
- *
* Header file that describes API to the sparsebit library.
* This library provides a memory efficient means of storing
* the settings of bits indexed via a uint64_t. Memory usage
diff --git a/tools/testing/selftests/kvm/include/test_util.h b/tools/testing/selftests/kvm/include/test_util.h
index c7dafe8bd02c..a41db6fb7e24 100644
--- a/tools/testing/selftests/kvm/include/test_util.h
+++ b/tools/testing/selftests/kvm/include/test_util.h
@@ -1,10 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tools/testing/selftests/kvm/include/test_util.h
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
*/
#ifndef SELFTEST_KVM_TEST_UTIL_H
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index e2884c2b81ff..80d19740d2dc 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -1,10 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tools/testing/selftests/kvm/include/x86_64/processor.h
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
*/
#ifndef SELFTEST_KVM_PROCESSOR_H
@@ -303,6 +301,8 @@ static inline unsigned long get_xmm(int n)
return 0;
}
+bool is_intel_cpu(void);
+
struct kvm_x86_state;
struct kvm_x86_state *vcpu_save_state(struct kvm_vm *vm, uint32_t vcpuid);
void vcpu_load_state(struct kvm_vm *vm, uint32_t vcpuid,
@@ -778,6 +778,33 @@ void vcpu_set_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index,
#define MSR_IA32_APICBASE_ENABLE (1<<11)
#define MSR_IA32_APICBASE_BASE (0xfffff<<12)
+#define APIC_BASE_MSR 0x800
+#define X2APIC_ENABLE (1UL << 10)
+#define APIC_ICR 0x300
+#define APIC_DEST_SELF 0x40000
+#define APIC_DEST_ALLINC 0x80000
+#define APIC_DEST_ALLBUT 0xC0000
+#define APIC_ICR_RR_MASK 0x30000
+#define APIC_ICR_RR_INVALID 0x00000
+#define APIC_ICR_RR_INPROG 0x10000
+#define APIC_ICR_RR_VALID 0x20000
+#define APIC_INT_LEVELTRIG 0x08000
+#define APIC_INT_ASSERT 0x04000
+#define APIC_ICR_BUSY 0x01000
+#define APIC_DEST_LOGICAL 0x00800
+#define APIC_DEST_PHYSICAL 0x00000
+#define APIC_DM_FIXED 0x00000
+#define APIC_DM_FIXED_MASK 0x00700
+#define APIC_DM_LOWEST 0x00100
+#define APIC_DM_SMI 0x00200
+#define APIC_DM_REMRD 0x00300
+#define APIC_DM_NMI 0x00400
+#define APIC_DM_INIT 0x00500
+#define APIC_DM_STARTUP 0x00600
+#define APIC_DM_EXTINT 0x00700
+#define APIC_VECTOR_MASK 0x000FF
+#define APIC_ICR2 0x310
+
#define MSR_IA32_TSCDEADLINE 0x000006e0
#define MSR_IA32_UCODE_WRITE 0x00000079
diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h
index c9bd935b939c..69b17055f63d 100644
--- a/tools/testing/selftests/kvm/include/x86_64/vmx.h
+++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h
@@ -1,10 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tools/testing/selftests/kvm/include/x86_64/vmx.h
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
*/
#ifndef SELFTEST_KVM_VMX_H
diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c
index e8c42506a09d..af2023d818a5 100644
--- a/tools/testing/selftests/kvm/lib/aarch64/processor.c
+++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c
@@ -7,6 +7,8 @@
#define _GNU_SOURCE /* for program_invocation_name */
+#include <linux/compiler.h>
+
#include "kvm_util.h"
#include "../kvm_util_internal.h"
#include "processor.h"
@@ -67,15 +69,13 @@ static uint64_t ptrs_per_pgd(struct kvm_vm *vm)
return 1 << (vm->va_bits - shift);
}
-static uint64_t ptrs_per_pte(struct kvm_vm *vm)
+static uint64_t __maybe_unused ptrs_per_pte(struct kvm_vm *vm)
{
return 1 << (vm->page_shift - 3);
}
void virt_pgd_alloc(struct kvm_vm *vm, uint32_t pgd_memslot)
{
- int rc;
-
if (!vm->pgd_created) {
vm_paddr_t paddr = vm_phy_pages_alloc(vm,
page_align(vm, ptrs_per_pgd(vm) * 8) / vm->page_size,
@@ -181,6 +181,7 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
unmapped_gva:
TEST_ASSERT(false, "No mapping for vm virtual address, "
"gva: 0x%lx", gva);
+ exit(1);
}
static void pte_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent, uint64_t page, int level)
@@ -226,7 +227,7 @@ struct kvm_vm *vm_create_default(uint32_t vcpuid, uint64_t extra_mem_pages,
uint64_t extra_pg_pages = (extra_mem_pages / ptrs_per_4k_pte) * 2;
struct kvm_vm *vm;
- vm = vm_create(VM_MODE_P52V48_4K, DEFAULT_GUEST_PHY_PAGES + extra_pg_pages, O_RDWR);
+ vm = vm_create(VM_MODE_P40V48_4K, DEFAULT_GUEST_PHY_PAGES + extra_pg_pages, O_RDWR);
kvm_vm_elf_load(vm, program_invocation_name, 0, 0);
vm_vcpu_add_default(vm, vcpuid, guest_code);
@@ -234,28 +235,21 @@ struct kvm_vm *vm_create_default(uint32_t vcpuid, uint64_t extra_mem_pages,
return vm;
}
-void vm_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid, void *guest_code)
+void aarch64_vcpu_setup(struct kvm_vm *vm, int vcpuid, struct kvm_vcpu_init *init)
{
- size_t stack_size = vm->page_size == 4096 ?
- DEFAULT_STACK_PGS * vm->page_size :
- vm->page_size;
- uint64_t stack_vaddr = vm_vaddr_alloc(vm, stack_size,
- DEFAULT_ARM64_GUEST_STACK_VADDR_MIN, 0, 0);
-
- vm_vcpu_add(vm, vcpuid, 0, 0);
+ struct kvm_vcpu_init default_init = { .target = -1, };
+ uint64_t sctlr_el1, tcr_el1;
- set_reg(vm, vcpuid, ARM64_CORE_REG(sp_el1), stack_vaddr + stack_size);
- set_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), (uint64_t)guest_code);
-}
+ if (!init)
+ init = &default_init;
-void vcpu_setup(struct kvm_vm *vm, int vcpuid, int pgd_memslot, int gdt_memslot)
-{
- struct kvm_vcpu_init init;
- uint64_t sctlr_el1, tcr_el1;
+ if (init->target == -1) {
+ struct kvm_vcpu_init preferred;
+ vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &preferred);
+ init->target = preferred.target;
+ }
- memset(&init, 0, sizeof(init));
- init.target = KVM_ARM_TARGET_GENERIC_V8;
- vcpu_ioctl(vm, vcpuid, KVM_ARM_VCPU_INIT, &init);
+ vcpu_ioctl(vm, vcpuid, KVM_ARM_VCPU_INIT, init);
/*
* Enable FP/ASIMD to avoid trapping when accessing Q0-Q15
@@ -312,6 +306,27 @@ void vcpu_dump(FILE *stream, struct kvm_vm *vm, uint32_t vcpuid, uint8_t indent)
get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pstate), &pstate);
get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), &pc);
- fprintf(stream, "%*spstate: 0x%.16llx pc: 0x%.16llx\n",
+ fprintf(stream, "%*spstate: 0x%.16lx pc: 0x%.16lx\n",
indent, "", pstate, pc);
}
+
+void aarch64_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_vcpu_init *init, void *guest_code)
+{
+ size_t stack_size = vm->page_size == 4096 ?
+ DEFAULT_STACK_PGS * vm->page_size :
+ vm->page_size;
+ uint64_t stack_vaddr = vm_vaddr_alloc(vm, stack_size,
+ DEFAULT_ARM64_GUEST_STACK_VADDR_MIN, 0, 0);
+
+ vm_vcpu_add(vm, vcpuid);
+ aarch64_vcpu_setup(vm, vcpuid, init);
+
+ set_reg(vm, vcpuid, ARM64_CORE_REG(sp_el1), stack_vaddr + stack_size);
+ set_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), (uint64_t)guest_code);
+}
+
+void vm_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid, void *guest_code)
+{
+ aarch64_vcpu_add_default(vm, vcpuid, NULL, guest_code);
+}
diff --git a/tools/testing/selftests/kvm/lib/assert.c b/tools/testing/selftests/kvm/lib/assert.c
index 6398efe67885..4911fc77d0f6 100644
--- a/tools/testing/selftests/kvm/lib/assert.c
+++ b/tools/testing/selftests/kvm/lib/assert.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tools/testing/selftests/kvm/lib/assert.c
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#define _GNU_SOURCE /* for getline(3) and strchrnul(3)*/
diff --git a/tools/testing/selftests/kvm/lib/elf.c b/tools/testing/selftests/kvm/lib/elf.c
index 5eb857584aa3..bc75a91e00a6 100644
--- a/tools/testing/selftests/kvm/lib/elf.c
+++ b/tools/testing/selftests/kvm/lib/elf.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tools/testing/selftests/kvm/lib/elf.c
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#include "test_util.h"
diff --git a/tools/testing/selftests/kvm/lib/io.c b/tools/testing/selftests/kvm/lib/io.c
index cff869ffe6ee..eaf351cc7e7f 100644
--- a/tools/testing/selftests/kvm/lib/io.c
+++ b/tools/testing/selftests/kvm/lib/io.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tools/testing/selftests/kvm/lib/io.c
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#include "test_util.h"
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index b52cfdefecbf..221e3fa46680 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tools/testing/selftests/kvm/lib/kvm_util.c
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#include "test_util.h"
@@ -91,6 +90,11 @@ static void vm_open(struct kvm_vm *vm, int perm, unsigned long type)
if (vm->kvm_fd < 0)
exit(KSFT_SKIP);
+ if (!kvm_check_cap(KVM_CAP_IMMEDIATE_EXIT)) {
+ fprintf(stderr, "immediate_exit not available, skipping test\n");
+ exit(KSFT_SKIP);
+ }
+
vm->fd = ioctl(vm->kvm_fd, KVM_CREATE_VM, type);
TEST_ASSERT(vm->fd >= 0, "KVM_CREATE_VM ioctl failed, "
"rc: %i errno: %i", vm->fd, errno);
@@ -130,7 +134,6 @@ struct kvm_vm *_vm_create(enum vm_guest_mode mode, uint64_t phy_pages,
int perm, unsigned long type)
{
struct kvm_vm *vm;
- int kvm_fd;
vm = calloc(1, sizeof(*vm));
TEST_ASSERT(vm != NULL, "Insufficient Memory");
@@ -551,7 +554,6 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm,
uint32_t flags)
{
int ret;
- unsigned long pmem_size = 0;
struct userspace_mem_region *region;
size_t huge_page_size = KVM_UTIL_PGS_PER_HUGEPG * vm->page_size;
@@ -761,11 +763,10 @@ static int vcpu_mmap_sz(void)
*
* Return: None
*
- * Creates and adds to the VM specified by vm and virtual CPU with
- * the ID given by vcpuid.
+ * Adds a virtual CPU to the VM specified by vm with the ID given by vcpuid.
+ * No additional VCPU setup is done.
*/
-void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid, int pgd_memslot,
- int gdt_memslot)
+void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid)
{
struct vcpu *vcpu;
@@ -799,8 +800,6 @@ void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid, int pgd_memslot,
vm->vcpu_head->prev = vcpu;
vcpu->next = vm->vcpu_head;
vm->vcpu_head = vcpu;
-
- vcpu_setup(vm, vcpuid, pgd_memslot, gdt_memslot);
}
/*
@@ -1121,6 +1120,22 @@ int _vcpu_run(struct kvm_vm *vm, uint32_t vcpuid)
return rc;
}
+void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid)
+{
+ struct vcpu *vcpu = vcpu_find(vm, vcpuid);
+ int ret;
+
+ TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
+
+ vcpu->state->immediate_exit = 1;
+ ret = ioctl(vcpu->fd, KVM_RUN, NULL);
+ vcpu->state->immediate_exit = 0;
+
+ TEST_ASSERT(ret == -1 && errno == EINTR,
+ "KVM_RUN IOCTL didn't exit immediately, rc: %i, errno: %i",
+ ret, errno);
+}
+
/*
* VM VCPU Set MP State
*
@@ -1229,6 +1244,40 @@ void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid,
ret, errno);
}
+#ifdef __x86_64__
+void vcpu_nested_state_get(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_nested_state *state)
+{
+ struct vcpu *vcpu = vcpu_find(vm, vcpuid);
+ int ret;
+
+ TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
+
+ ret = ioctl(vcpu->fd, KVM_GET_NESTED_STATE, state);
+ TEST_ASSERT(ret == 0,
+ "KVM_SET_NESTED_STATE failed, ret: %i errno: %i",
+ ret, errno);
+}
+
+int vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_nested_state *state, bool ignore_error)
+{
+ struct vcpu *vcpu = vcpu_find(vm, vcpuid);
+ int ret;
+
+ TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
+
+ ret = ioctl(vcpu->fd, KVM_SET_NESTED_STATE, state);
+ if (!ignore_error) {
+ TEST_ASSERT(ret == 0,
+ "KVM_SET_NESTED_STATE failed, ret: %i errno: %i",
+ ret, errno);
+ }
+
+ return ret;
+}
+#endif
+
/*
* VM VCPU System Regs Get
*
@@ -1281,7 +1330,6 @@ void vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_sregs *sregs)
int _vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_sregs *sregs)
{
struct vcpu *vcpu = vcpu_find(vm, vcpuid);
- int ret;
TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
@@ -1531,3 +1579,39 @@ void *addr_gva2hva(struct kvm_vm *vm, vm_vaddr_t gva)
{
return addr_gpa2hva(vm, addr_gva2gpa(vm, gva));
}
+
+/*
+ * Is Unrestricted Guest
+ *
+ * Input Args:
+ * vm - Virtual Machine
+ *
+ * Output Args: None
+ *
+ * Return: True if the unrestricted guest is set to 'Y', otherwise return false.
+ *
+ * Check if the unrestricted guest flag is enabled.
+ */
+bool vm_is_unrestricted_guest(struct kvm_vm *vm)
+{
+ char val = 'N';
+ size_t count;
+ FILE *f;
+
+ if (vm == NULL) {
+ /* Ensure that the KVM vendor-specific module is loaded. */
+ f = fopen(KVM_DEV_PATH, "r");
+ TEST_ASSERT(f != NULL, "Error in opening KVM dev file: %d",
+ errno);
+ fclose(f);
+ }
+
+ f = fopen("/sys/module/kvm_intel/parameters/unrestricted_guest", "r");
+ if (f) {
+ count = fread(&val, sizeof(char), 1, f);
+ TEST_ASSERT(count == 1, "Unable to read from param file.");
+ fclose(f);
+ }
+
+ return val == 'Y';
+}
diff --git a/tools/testing/selftests/kvm/lib/kvm_util_internal.h b/tools/testing/selftests/kvm/lib/kvm_util_internal.h
index 4595e42c6e29..f36262e0f655 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util_internal.h
+++ b/tools/testing/selftests/kvm/lib/kvm_util_internal.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tools/testing/selftests/kvm/lib/kvm_util_internal.h
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#ifndef SELFTEST_KVM_UTIL_INTERNAL_H
@@ -65,8 +64,6 @@ struct kvm_vm {
};
struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid);
-void vcpu_setup(struct kvm_vm *vm, int vcpuid, int pgd_memslot,
- int gdt_memslot);
void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent);
void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent);
void sregs_dump(FILE *stream, struct kvm_sregs *sregs, uint8_t indent);
diff --git a/tools/testing/selftests/kvm/lib/sparsebit.c b/tools/testing/selftests/kvm/lib/sparsebit.c
index b132bc95d183..031ba3c932ed 100644
--- a/tools/testing/selftests/kvm/lib/sparsebit.c
+++ b/tools/testing/selftests/kvm/lib/sparsebit.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Sparse bit array
*
* Copyright (C) 2018, Google LLC.
* Copyright (C) 2018, Red Hat, Inc. (code style cleanup and fuzzing driver)
*
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
* This library provides functions to support a memory efficient bit array,
* with an index size of 2^64. A sparsebit array is allocated through
* the use sparsebit_alloc() and free'd via sparsebit_free(),
diff --git a/tools/testing/selftests/kvm/lib/ucall.c b/tools/testing/selftests/kvm/lib/ucall.c
index a2ab38be2f47..dd9a66700f96 100644
--- a/tools/testing/selftests/kvm/lib/ucall.c
+++ b/tools/testing/selftests/kvm/lib/ucall.c
@@ -125,16 +125,16 @@ void ucall(uint64_t cmd, int nargs, ...)
uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc)
{
struct kvm_run *run = vcpu_state(vm, vcpu_id);
-
- memset(uc, 0, sizeof(*uc));
+ struct ucall ucall = {};
+ bool got_ucall = false;
#ifdef __x86_64__
if (ucall_type == UCALL_PIO && run->exit_reason == KVM_EXIT_IO &&
run->io.port == UCALL_PIO_PORT) {
struct kvm_regs regs;
vcpu_regs_get(vm, vcpu_id, &regs);
- memcpy(uc, addr_gva2hva(vm, (vm_vaddr_t)regs.rdi), sizeof(*uc));
- return uc->cmd;
+ memcpy(&ucall, addr_gva2hva(vm, (vm_vaddr_t)regs.rdi), sizeof(ucall));
+ got_ucall = true;
}
#endif
if (ucall_type == UCALL_MMIO && run->exit_reason == KVM_EXIT_MMIO &&
@@ -142,9 +142,16 @@ uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc)
vm_vaddr_t gva;
TEST_ASSERT(run->mmio.is_write && run->mmio.len == 8,
"Unexpected ucall exit mmio address access");
- gva = *(vm_vaddr_t *)run->mmio.data;
- memcpy(uc, addr_gva2hva(vm, gva), sizeof(*uc));
+ memcpy(&gva, run->mmio.data, sizeof(gva));
+ memcpy(&ucall, addr_gva2hva(vm, gva), sizeof(ucall));
+ got_ucall = true;
+ }
+
+ if (got_ucall) {
+ vcpu_run_complete_io(vm, vcpu_id);
+ if (uc)
+ memcpy(uc, &ucall, sizeof(ucall));
}
- return uc->cmd;
+ return ucall.cmd;
}
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index f28127f4a3af..b430f962e323 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tools/testing/selftests/kvm/lib/x86_64/processor.c
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#define _GNU_SOURCE /* for program_invocation_name */
@@ -229,8 +228,6 @@ void sregs_dump(FILE *stream, struct kvm_sregs *sregs,
void virt_pgd_alloc(struct kvm_vm *vm, uint32_t pgd_memslot)
{
- int rc;
-
TEST_ASSERT(vm->mode == VM_MODE_P52V48_4K, "Attempt to use "
"unknown or unsupported guest mode, mode: 0x%x", vm->mode);
@@ -549,7 +546,6 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
struct pageDirectoryPointerEntry *pdpe;
struct pageDirectoryEntry *pde;
struct pageTableEntry *pte;
- void *hva;
TEST_ASSERT(vm->mode == VM_MODE_P52V48_4K, "Attempt to use "
"unknown or unsupported guest mode, mode: 0x%x", vm->mode);
@@ -582,6 +578,7 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
unmapped_gva:
TEST_ASSERT(false, "No mapping for vm virtual address, "
"gva: 0x%lx", gva);
+ exit(EXIT_FAILURE);
}
static void kvm_setup_gdt(struct kvm_vm *vm, struct kvm_dtable *dt, int gdt_memslot,
@@ -612,7 +609,7 @@ static void kvm_setup_tss_64bit(struct kvm_vm *vm, struct kvm_segment *segp,
kvm_seg_fill_gdt_64bit(vm, segp);
}
-void vcpu_setup(struct kvm_vm *vm, int vcpuid, int pgd_memslot, int gdt_memslot)
+static void vcpu_setup(struct kvm_vm *vm, int vcpuid, int pgd_memslot, int gdt_memslot)
{
struct kvm_sregs sregs;
@@ -658,7 +655,8 @@ void vm_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid, void *guest_code)
DEFAULT_GUEST_STACK_VADDR_MIN, 0, 0);
/* Create VCPU */
- vm_vcpu_add(vm, vcpuid, 0, 0);
+ vm_vcpu_add(vm, vcpuid);
+ vcpu_setup(vm, vcpuid, 0, 0);
/* Setup guest general purpose registers */
vcpu_regs_get(vm, vcpuid, &regs);
@@ -1030,6 +1028,14 @@ struct kvm_x86_state *vcpu_save_state(struct kvm_vm *vm, uint32_t vcpuid)
nested_size, sizeof(state->nested_));
}
+ /*
+ * When KVM exits to userspace with KVM_EXIT_IO, KVM guarantees
+ * guest state is consistent only after userspace re-enters the
+ * kernel with KVM_RUN. Complete IO prior to migrating state
+ * to a new VM.
+ */
+ vcpu_run_complete_io(vm, vcpuid);
+
nmsrs = kvm_get_num_msrs(vm);
list = malloc(sizeof(*list) + nmsrs * sizeof(list->indices[0]));
list->nmsrs = nmsrs;
@@ -1093,12 +1099,6 @@ void vcpu_load_state(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_x86_state *s
struct vcpu *vcpu = vcpu_find(vm, vcpuid);
int r;
- if (state->nested.size) {
- r = ioctl(vcpu->fd, KVM_SET_NESTED_STATE, &state->nested);
- TEST_ASSERT(r == 0, "Unexpected result from KVM_SET_NESTED_STATE, r: %i",
- r);
- }
-
r = ioctl(vcpu->fd, KVM_SET_XSAVE, &state->xsave);
TEST_ASSERT(r == 0, "Unexpected result from KVM_SET_XSAVE, r: %i",
r);
@@ -1130,4 +1130,26 @@ void vcpu_load_state(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_x86_state *s
r = ioctl(vcpu->fd, KVM_SET_REGS, &state->regs);
TEST_ASSERT(r == 0, "Unexpected result from KVM_SET_REGS, r: %i",
r);
+
+ if (state->nested.size) {
+ r = ioctl(vcpu->fd, KVM_SET_NESTED_STATE, &state->nested);
+ TEST_ASSERT(r == 0, "Unexpected result from KVM_SET_NESTED_STATE, r: %i",
+ r);
+ }
+}
+
+bool is_intel_cpu(void)
+{
+ int eax, ebx, ecx, edx;
+ const uint32_t *chunk;
+ const int leaf = 0;
+
+ __asm__ __volatile__(
+ "cpuid"
+ : /* output */ "=a"(eax), "=b"(ebx),
+ "=c"(ecx), "=d"(edx)
+ : /* input */ "0"(leaf), "2"(0));
+
+ chunk = (const uint32_t *)("GenuineIntel");
+ return (ebx == chunk[0] && edx == chunk[1] && ecx == chunk[2]);
}
diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
index 771ba6bf751c..fe56d159d65f 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* tools/testing/selftests/kvm/lib/x86_64/vmx.c
*
* Copyright (C) 2018, Google LLC.
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#define _GNU_SOURCE /* for program_invocation_name */
diff --git a/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c b/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c
index d503a51fad30..63cc9c3f5ab6 100644
--- a/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c
+++ b/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c
@@ -87,22 +87,26 @@ int main(int argc, char *argv[])
while (1) {
rc = _vcpu_run(vm, VCPU_ID);
- if (run->exit_reason == KVM_EXIT_IO) {
- switch (get_ucall(vm, VCPU_ID, &uc)) {
- case UCALL_SYNC:
- /* emulate hypervisor clearing CR4.OSXSAVE */
- vcpu_sregs_get(vm, VCPU_ID, &sregs);
- sregs.cr4 &= ~X86_CR4_OSXSAVE;
- vcpu_sregs_set(vm, VCPU_ID, &sregs);
- break;
- case UCALL_ABORT:
- TEST_ASSERT(false, "Guest CR4 bit (OSXSAVE) unsynchronized with CPUID bit.");
- break;
- case UCALL_DONE:
- goto done;
- default:
- TEST_ASSERT(false, "Unknown ucall 0x%x.", uc.cmd);
- }
+ TEST_ASSERT(rc == 0, "vcpu_run failed: %d\n", rc);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
+ "Unexpected exit reason: %u (%s),\n",
+ run->exit_reason,
+ exit_reason_str(run->exit_reason));
+
+ switch (get_ucall(vm, VCPU_ID, &uc)) {
+ case UCALL_SYNC:
+ /* emulate hypervisor clearing CR4.OSXSAVE */
+ vcpu_sregs_get(vm, VCPU_ID, &sregs);
+ sregs.cr4 &= ~X86_CR4_OSXSAVE;
+ vcpu_sregs_set(vm, VCPU_ID, &sregs);
+ break;
+ case UCALL_ABORT:
+ TEST_ASSERT(false, "Guest CR4 bit (OSXSAVE) unsynchronized with CPUID bit.");
+ break;
+ case UCALL_DONE:
+ goto done;
+ default:
+ TEST_ASSERT(false, "Unknown ucall 0x%x.", uc.cmd);
}
}
diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
index c49c2a28b0eb..f95c08343b48 100644
--- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
@@ -19,8 +19,6 @@
#define VCPU_ID 5
-static bool have_nested_state;
-
void l2_guest_code(void)
{
GUEST_SYNC(6);
@@ -73,7 +71,6 @@ void guest_code(struct vmx_pages *vmx_pages)
int main(int argc, char *argv[])
{
- struct vmx_pages *vmx_pages = NULL;
vm_vaddr_t vmx_pages_gva = 0;
struct kvm_regs regs1, regs2;
@@ -88,8 +85,6 @@ int main(int argc, char *argv[])
.args[0] = (unsigned long)&evmcs_ver
};
- struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
-
/* Create VM */
vm = vm_create_default(VCPU_ID, 0, guest_code);
@@ -113,7 +108,7 @@ int main(int argc, char *argv[])
vcpu_regs_get(vm, VCPU_ID, &regs1);
- vmx_pages = vcpu_alloc_vmx(vm, &vmx_pages_gva);
+ vcpu_alloc_vmx(vm, &vmx_pages_gva);
vcpu_args_set(vm, VCPU_ID, 1, vmx_pages_gva);
for (stage = 1;; stage++) {
@@ -123,8 +118,6 @@ int main(int argc, char *argv[])
stage, run->exit_reason,
exit_reason_str(run->exit_reason));
- memset(&regs1, 0, sizeof(regs1));
- vcpu_regs_get(vm, VCPU_ID, &regs1);
switch (get_ucall(vm, VCPU_ID, &uc)) {
case UCALL_ABORT:
TEST_ASSERT(false, "%s at %s:%d", (const char *)uc.args[0],
@@ -144,12 +137,16 @@ int main(int argc, char *argv[])
stage, (ulong)uc.args[1]);
state = vcpu_save_state(vm, VCPU_ID);
+ memset(&regs1, 0, sizeof(regs1));
+ vcpu_regs_get(vm, VCPU_ID, &regs1);
+
kvm_vm_release(vm);
/* Restore state in a new VM. */
kvm_vm_restart(vm, O_RDWR);
- vm_vcpu_add(vm, VCPU_ID, 0, 0);
+ vm_vcpu_add(vm, VCPU_ID);
vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+ vcpu_ioctl(vm, VCPU_ID, KVM_ENABLE_CAP, &enable_evmcs_cap);
vcpu_load_state(vm, VCPU_ID, state);
run = vcpu_state(vm, VCPU_ID);
free(state);
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
index 264425f75806..f72b3043db0e 100644
--- a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
@@ -52,15 +52,11 @@ static void test_hv_cpuid(struct kvm_cpuid2 *hv_cpuid_entries,
TEST_ASSERT(entry->index == 0,
".index field should be zero");
- TEST_ASSERT(entry->index == 0,
- ".index field should be zero");
-
TEST_ASSERT(entry->flags == 0,
".flags field should be zero");
- TEST_ASSERT(entry->padding[0] == entry->padding[1]
- == entry->padding[2] == 0,
- ".index field should be zero");
+ TEST_ASSERT(!entry->padding[0] && !entry->padding[1] &&
+ !entry->padding[2], "padding should be zero");
/*
* If needed for debug:
@@ -90,7 +86,6 @@ struct kvm_cpuid2 *kvm_get_supported_hv_cpuid(struct kvm_vm *vm)
{
int nent = 20; /* should be enough */
static struct kvm_cpuid2 *cpuid;
- int ret;
cpuid = malloc(sizeof(*cpuid) + nent * sizeof(struct kvm_cpuid_entry2));
@@ -141,7 +136,13 @@ int main(int argc, char *argv[])
free(hv_cpuid_entries);
- vcpu_ioctl(vm, VCPU_ID, KVM_ENABLE_CAP, &enable_evmcs_cap);
+ rv = _vcpu_ioctl(vm, VCPU_ID, KVM_ENABLE_CAP, &enable_evmcs_cap);
+
+ if (rv) {
+ fprintf(stderr,
+ "Enlightened VMCS is unsupported, skip related test\n");
+ goto vm_free;
+ }
hv_cpuid_entries = kvm_get_supported_hv_cpuid(vm);
if (!hv_cpuid_entries)
@@ -151,6 +152,7 @@ int main(int argc, char *argv[])
free(hv_cpuid_entries);
+vm_free:
kvm_vm_free(vm);
return 0;
diff --git a/tools/testing/selftests/kvm/x86_64/kvm_create_max_vcpus.c b/tools/testing/selftests/kvm/x86_64/kvm_create_max_vcpus.c
new file mode 100644
index 000000000000..429226bc6a92
--- /dev/null
+++ b/tools/testing/selftests/kvm/x86_64/kvm_create_max_vcpus.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * kvm_create_max_vcpus
+ *
+ * Copyright (C) 2019, Google LLC.
+ *
+ * Test for KVM_CAP_MAX_VCPUS and KVM_CAP_MAX_VCPU_ID.
+ */
+
+#define _GNU_SOURCE /* for program_invocation_short_name */
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "test_util.h"
+
+#include "kvm_util.h"
+#include "asm/kvm.h"
+#include "linux/kvm.h"
+
+void test_vcpu_creation(int first_vcpu_id, int num_vcpus)
+{
+ struct kvm_vm *vm;
+ int i;
+
+ printf("Testing creating %d vCPUs, with IDs %d...%d.\n",
+ num_vcpus, first_vcpu_id, first_vcpu_id + num_vcpus - 1);
+
+ vm = vm_create(VM_MODE_P52V48_4K, DEFAULT_GUEST_PHY_PAGES, O_RDWR);
+
+ for (i = 0; i < num_vcpus; i++) {
+ int vcpu_id = first_vcpu_id + i;
+
+ /* This asserts that the vCPU was created. */
+ vm_vcpu_add(vm, vcpu_id);
+ }
+
+ kvm_vm_free(vm);
+}
+
+int main(int argc, char *argv[])
+{
+ int kvm_max_vcpu_id = kvm_check_cap(KVM_CAP_MAX_VCPU_ID);
+ int kvm_max_vcpus = kvm_check_cap(KVM_CAP_MAX_VCPUS);
+
+ printf("KVM_CAP_MAX_VCPU_ID: %d\n", kvm_max_vcpu_id);
+ printf("KVM_CAP_MAX_VCPUS: %d\n", kvm_max_vcpus);
+
+ /*
+ * Upstream KVM prior to 4.8 does not support KVM_CAP_MAX_VCPU_ID.
+ * Userspace is supposed to use KVM_CAP_MAX_VCPUS as the maximum ID
+ * in this case.
+ */
+ if (!kvm_max_vcpu_id)
+ kvm_max_vcpu_id = kvm_max_vcpus;
+
+ TEST_ASSERT(kvm_max_vcpu_id >= kvm_max_vcpus,
+ "KVM_MAX_VCPU_ID (%d) must be at least as large as KVM_MAX_VCPUS (%d).",
+ kvm_max_vcpu_id, kvm_max_vcpus);
+
+ test_vcpu_creation(0, kvm_max_vcpus);
+
+ if (kvm_max_vcpu_id > kvm_max_vcpus)
+ test_vcpu_creation(
+ kvm_max_vcpu_id - kvm_max_vcpus, kvm_max_vcpus);
+
+ return 0;
+}
diff --git a/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c b/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c
new file mode 100644
index 000000000000..00bb97d76000
--- /dev/null
+++ b/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c
@@ -0,0 +1,126 @@
+/*
+ * mmio_warning_test
+ *
+ * Copyright (C) 2019, Google LLC.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.
+ *
+ * Test that we don't get a kernel warning when we call KVM_RUN after a
+ * triple fault occurs. To get the triple fault to occur we call KVM_RUN
+ * on a VCPU that hasn't been properly setup.
+ *
+ */
+
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <kvm_util.h>
+#include <linux/kvm.h>
+#include <processor.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <test_util.h>
+#include <unistd.h>
+
+#define NTHREAD 4
+#define NPROCESS 5
+
+struct thread_context {
+ int kvmcpu;
+ struct kvm_run *run;
+};
+
+void *thr(void *arg)
+{
+ struct thread_context *tc = (struct thread_context *)arg;
+ int res;
+ int kvmcpu = tc->kvmcpu;
+ struct kvm_run *run = tc->run;
+
+ res = ioctl(kvmcpu, KVM_RUN, 0);
+ printf("ret1=%d exit_reason=%d suberror=%d\n",
+ res, run->exit_reason, run->internal.suberror);
+
+ return 0;
+}
+
+void test(void)
+{
+ int i, kvm, kvmvm, kvmcpu;
+ pthread_t th[NTHREAD];
+ struct kvm_run *run;
+ struct thread_context tc;
+
+ kvm = open("/dev/kvm", O_RDWR);
+ TEST_ASSERT(kvm != -1, "failed to open /dev/kvm");
+ kvmvm = ioctl(kvm, KVM_CREATE_VM, 0);
+ TEST_ASSERT(kvmvm != -1, "KVM_CREATE_VM failed");
+ kvmcpu = ioctl(kvmvm, KVM_CREATE_VCPU, 0);
+ TEST_ASSERT(kvmcpu != -1, "KVM_CREATE_VCPU failed");
+ run = (struct kvm_run *)mmap(0, 4096, PROT_READ|PROT_WRITE, MAP_SHARED,
+ kvmcpu, 0);
+ tc.kvmcpu = kvmcpu;
+ tc.run = run;
+ srand(getpid());
+ for (i = 0; i < NTHREAD; i++) {
+ pthread_create(&th[i], NULL, thr, (void *)(uintptr_t)&tc);
+ usleep(rand() % 10000);
+ }
+ for (i = 0; i < NTHREAD; i++)
+ pthread_join(th[i], NULL);
+}
+
+int get_warnings_count(void)
+{
+ int warnings;
+ FILE *f;
+
+ f = popen("dmesg | grep \"WARNING:\" | wc -l", "r");
+ fscanf(f, "%d", &warnings);
+ fclose(f);
+
+ return warnings;
+}
+
+int main(void)
+{
+ int warnings_before, warnings_after;
+
+ if (!is_intel_cpu()) {
+ printf("Must be run on an Intel CPU, skipping test\n");
+ exit(KSFT_SKIP);
+ }
+
+ if (vm_is_unrestricted_guest(NULL)) {
+ printf("Unrestricted guest must be disabled, skipping test\n");
+ exit(KSFT_SKIP);
+ }
+
+ warnings_before = get_warnings_count();
+
+ for (int i = 0; i < NPROCESS; ++i) {
+ int status;
+ int pid = fork();
+
+ if (pid < 0)
+ exit(1);
+ if (pid == 0) {
+ test();
+ exit(0);
+ }
+ while (waitpid(pid, &status, __WALL) != pid)
+ ;
+ }
+
+ warnings_after = get_warnings_count();
+ TEST_ASSERT(warnings_before == warnings_after,
+ "Warnings found in kernel. Run 'dmesg' to inspect them.");
+
+ return 0;
+}
diff --git a/tools/testing/selftests/kvm/x86_64/platform_info_test.c b/tools/testing/selftests/kvm/x86_64/platform_info_test.c
index eb3e7a838cb4..40050e44ec0a 100644
--- a/tools/testing/selftests/kvm/x86_64/platform_info_test.c
+++ b/tools/testing/selftests/kvm/x86_64/platform_info_test.c
@@ -81,7 +81,6 @@ static void test_msr_platform_info_disabled(struct kvm_vm *vm)
int main(int argc, char *argv[])
{
struct kvm_vm *vm;
- struct kvm_run *state;
int rv;
uint64_t msr_platform_info;
diff --git a/tools/testing/selftests/kvm/x86_64/set_sregs_test.c b/tools/testing/selftests/kvm/x86_64/set_sregs_test.c
index 35640e8e95bc..9f7656184f31 100644
--- a/tools/testing/selftests/kvm/x86_64/set_sregs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/set_sregs_test.c
@@ -1,16 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* KVM_SET_SREGS tests
*
* Copyright (C) 2018, Google LLC.
*
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
* This is a regression test for the bug fixed by the following commit:
* d3802286fa0f ("kvm: x86: Disallow illegal IA32_APIC_BASE MSR values")
*
* That bug allowed a user-mode program that called the KVM_SET_SREGS
* ioctl to put a VCPU's local APIC into an invalid state.
- *
*/
#define _GNU_SOURCE /* for program_invocation_short_name */
#include <fcntl.h>
diff --git a/tools/testing/selftests/kvm/x86_64/smm_test.c b/tools/testing/selftests/kvm/x86_64/smm_test.c
new file mode 100644
index 000000000000..8c063646f2a0
--- /dev/null
+++ b/tools/testing/selftests/kvm/x86_64/smm_test.c
@@ -0,0 +1,156 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018, Red Hat, Inc.
+ *
+ * Tests for SMM.
+ */
+#define _GNU_SOURCE /* for program_invocation_short_name */
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/ioctl.h>
+
+#include "test_util.h"
+
+#include "kvm_util.h"
+
+#include "vmx.h"
+
+#define VCPU_ID 1
+
+#define PAGE_SIZE 4096
+
+#define SMRAM_SIZE 65536
+#define SMRAM_MEMSLOT ((1 << 16) | 1)
+#define SMRAM_PAGES (SMRAM_SIZE / PAGE_SIZE)
+#define SMRAM_GPA 0x1000000
+#define SMRAM_STAGE 0xfe
+
+#define STR(x) #x
+#define XSTR(s) STR(s)
+
+#define SYNC_PORT 0xe
+#define DONE 0xff
+
+/*
+ * This is compiled as normal 64-bit code, however, SMI handler is executed
+ * in real-address mode. To stay simple we're limiting ourselves to a mode
+ * independent subset of asm here.
+ * SMI handler always report back fixed stage SMRAM_STAGE.
+ */
+uint8_t smi_handler[] = {
+ 0xb0, SMRAM_STAGE, /* mov $SMRAM_STAGE, %al */
+ 0xe4, SYNC_PORT, /* in $SYNC_PORT, %al */
+ 0x0f, 0xaa, /* rsm */
+};
+
+void sync_with_host(uint64_t phase)
+{
+ asm volatile("in $" XSTR(SYNC_PORT)", %%al \n"
+ : : "a" (phase));
+}
+
+void self_smi(void)
+{
+ wrmsr(APIC_BASE_MSR + (APIC_ICR >> 4),
+ APIC_DEST_SELF | APIC_INT_ASSERT | APIC_DM_SMI);
+}
+
+void guest_code(struct vmx_pages *vmx_pages)
+{
+ uint64_t apicbase = rdmsr(MSR_IA32_APICBASE);
+
+ sync_with_host(1);
+
+ wrmsr(MSR_IA32_APICBASE, apicbase | X2APIC_ENABLE);
+
+ sync_with_host(2);
+
+ self_smi();
+
+ sync_with_host(4);
+
+ if (vmx_pages) {
+ GUEST_ASSERT(prepare_for_vmx_operation(vmx_pages));
+
+ sync_with_host(5);
+
+ self_smi();
+
+ sync_with_host(7);
+ }
+
+ sync_with_host(DONE);
+}
+
+int main(int argc, char *argv[])
+{
+ vm_vaddr_t vmx_pages_gva = 0;
+
+ struct kvm_regs regs;
+ struct kvm_vm *vm;
+ struct kvm_run *run;
+ struct kvm_x86_state *state;
+ int stage, stage_reported;
+
+ /* Create VM */
+ vm = vm_create_default(VCPU_ID, 0, guest_code);
+
+ vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+
+ run = vcpu_state(vm, VCPU_ID);
+
+ vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, SMRAM_GPA,
+ SMRAM_MEMSLOT, SMRAM_PAGES, 0);
+ TEST_ASSERT(vm_phy_pages_alloc(vm, SMRAM_PAGES, SMRAM_GPA, SMRAM_MEMSLOT)
+ == SMRAM_GPA, "could not allocate guest physical addresses?");
+
+ memset(addr_gpa2hva(vm, SMRAM_GPA), 0x0, SMRAM_SIZE);
+ memcpy(addr_gpa2hva(vm, SMRAM_GPA) + 0x8000, smi_handler,
+ sizeof(smi_handler));
+
+ vcpu_set_msr(vm, VCPU_ID, MSR_IA32_SMBASE, SMRAM_GPA);
+
+ if (kvm_check_cap(KVM_CAP_NESTED_STATE)) {
+ vcpu_alloc_vmx(vm, &vmx_pages_gva);
+ vcpu_args_set(vm, VCPU_ID, 1, vmx_pages_gva);
+ } else {
+ printf("will skip SMM test with VMX enabled\n");
+ vcpu_args_set(vm, VCPU_ID, 1, 0);
+ }
+
+ for (stage = 1;; stage++) {
+ _vcpu_run(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
+ "Stage %d: unexpected exit reason: %u (%s),\n",
+ stage, run->exit_reason,
+ exit_reason_str(run->exit_reason));
+
+ memset(&regs, 0, sizeof(regs));
+ vcpu_regs_get(vm, VCPU_ID, &regs);
+
+ stage_reported = regs.rax & 0xff;
+
+ if (stage_reported == DONE)
+ goto done;
+
+ TEST_ASSERT(stage_reported == stage ||
+ stage_reported == SMRAM_STAGE,
+ "Unexpected stage: #%x, got %x",
+ stage, stage_reported);
+
+ state = vcpu_save_state(vm, VCPU_ID);
+ kvm_vm_release(vm);
+ kvm_vm_restart(vm, O_RDWR);
+ vm_vcpu_add(vm, VCPU_ID);
+ vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+ vcpu_load_state(vm, VCPU_ID, state);
+ run = vcpu_state(vm, VCPU_ID);
+ free(state);
+ }
+
+done:
+ kvm_vm_free(vm);
+}
diff --git a/tools/testing/selftests/kvm/x86_64/state_test.c b/tools/testing/selftests/kvm/x86_64/state_test.c
index 4b3f556265f1..3ab5ec3da9f4 100644
--- a/tools/testing/selftests/kvm/x86_64/state_test.c
+++ b/tools/testing/selftests/kvm/x86_64/state_test.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* KVM_GET/SET_* tests
*
* Copyright (C) 2018, Red Hat, Inc.
*
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
* Tests for vCPU state save/restore, including nested guest state.
*/
#define _GNU_SOURCE /* for program_invocation_short_name */
@@ -22,8 +21,6 @@
#define VCPU_ID 5
-static bool have_nested_state;
-
void l2_guest_code(void)
{
GUEST_SYNC(6);
@@ -122,7 +119,6 @@ void guest_code(struct vmx_pages *vmx_pages)
int main(int argc, char *argv[])
{
- struct vmx_pages *vmx_pages = NULL;
vm_vaddr_t vmx_pages_gva = 0;
struct kvm_regs regs1, regs2;
@@ -132,8 +128,6 @@ int main(int argc, char *argv[])
struct ucall uc;
int stage;
- struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
-
/* Create VM */
vm = vm_create_default(VCPU_ID, 0, guest_code);
vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
@@ -142,7 +136,7 @@ int main(int argc, char *argv[])
vcpu_regs_get(vm, VCPU_ID, &regs1);
if (kvm_check_cap(KVM_CAP_NESTED_STATE)) {
- vmx_pages = vcpu_alloc_vmx(vm, &vmx_pages_gva);
+ vcpu_alloc_vmx(vm, &vmx_pages_gva);
vcpu_args_set(vm, VCPU_ID, 1, vmx_pages_gva);
} else {
printf("will skip nested state checks\n");
@@ -156,8 +150,6 @@ int main(int argc, char *argv[])
stage, run->exit_reason,
exit_reason_str(run->exit_reason));
- memset(&regs1, 0, sizeof(regs1));
- vcpu_regs_get(vm, VCPU_ID, &regs1);
switch (get_ucall(vm, VCPU_ID, &uc)) {
case UCALL_ABORT:
TEST_ASSERT(false, "%s at %s:%d", (const char *)uc.args[0],
@@ -177,11 +169,14 @@ int main(int argc, char *argv[])
stage, (ulong)uc.args[1]);
state = vcpu_save_state(vm, VCPU_ID);
+ memset(&regs1, 0, sizeof(regs1));
+ vcpu_regs_get(vm, VCPU_ID, &regs1);
+
kvm_vm_release(vm);
/* Restore state in a new VM. */
kvm_vm_restart(vm, O_RDWR);
- vm_vcpu_add(vm, VCPU_ID, 0, 0);
+ vm_vcpu_add(vm, VCPU_ID);
vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
vcpu_load_state(vm, VCPU_ID, state);
run = vcpu_state(vm, VCPU_ID);
diff --git a/tools/testing/selftests/kvm/x86_64/sync_regs_test.c b/tools/testing/selftests/kvm/x86_64/sync_regs_test.c
index c8478ce9ea77..11c2a70a7b87 100644
--- a/tools/testing/selftests/kvm/x86_64/sync_regs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/sync_regs_test.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Test for x86 KVM_CAP_SYNC_REGS
*
* Copyright (C) 2018, Google LLC.
*
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
* Verifies expected behavior of x86 KVM_CAP_SYNC_REGS functionality,
* including requesting an invalid register set, updates to/from values
* in kvm_run.s.regs when kvm_valid_regs and kvm_dirty_regs are toggled.
@@ -25,9 +24,15 @@
void guest_code(void)
{
+ /*
+ * use a callee-save register, otherwise the compiler
+ * saves it around the call to GUEST_SYNC.
+ */
+ register u32 stage asm("rbx");
for (;;) {
GUEST_SYNC(0);
- asm volatile ("inc %r11");
+ stage++;
+ asm volatile ("" : : "r" (stage));
}
}
@@ -147,7 +152,7 @@ int main(int argc, char *argv[])
compare_vcpu_events(&events, &run->s.regs.events);
/* Set and verify various register values. */
- run->s.regs.regs.r11 = 0xBAD1DEA;
+ run->s.regs.regs.rbx = 0xBAD1DEA;
run->s.regs.sregs.apic_base = 1 << 11;
/* TODO run->s.regs.events.XYZ = ABC; */
@@ -158,9 +163,9 @@ int main(int argc, char *argv[])
"Unexpected exit reason: %u (%s),\n",
run->exit_reason,
exit_reason_str(run->exit_reason));
- TEST_ASSERT(run->s.regs.regs.r11 == 0xBAD1DEA + 1,
- "r11 sync regs value incorrect 0x%llx.",
- run->s.regs.regs.r11);
+ TEST_ASSERT(run->s.regs.regs.rbx == 0xBAD1DEA + 1,
+ "rbx sync regs value incorrect 0x%llx.",
+ run->s.regs.regs.rbx);
TEST_ASSERT(run->s.regs.sregs.apic_base == 1 << 11,
"apic_base sync regs value incorrect 0x%llx.",
run->s.regs.sregs.apic_base);
@@ -179,15 +184,15 @@ int main(int argc, char *argv[])
*/
run->kvm_valid_regs = TEST_SYNC_FIELDS;
run->kvm_dirty_regs = 0;
- run->s.regs.regs.r11 = 0xDEADBEEF;
+ run->s.regs.regs.rbx = 0xDEADBEEF;
rv = _vcpu_run(vm, VCPU_ID);
TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
"Unexpected exit reason: %u (%s),\n",
run->exit_reason,
exit_reason_str(run->exit_reason));
- TEST_ASSERT(run->s.regs.regs.r11 != 0xDEADBEEF,
- "r11 sync regs value incorrect 0x%llx.",
- run->s.regs.regs.r11);
+ TEST_ASSERT(run->s.regs.regs.rbx != 0xDEADBEEF,
+ "rbx sync regs value incorrect 0x%llx.",
+ run->s.regs.regs.rbx);
/* Clear kvm_valid_regs bits and kvm_dirty_bits.
* Verify s.regs values are not overwritten with existing guest values
@@ -195,21 +200,21 @@ int main(int argc, char *argv[])
*/
run->kvm_valid_regs = 0;
run->kvm_dirty_regs = 0;
- run->s.regs.regs.r11 = 0xAAAA;
- regs.r11 = 0xBAC0;
+ run->s.regs.regs.rbx = 0xAAAA;
+ regs.rbx = 0xBAC0;
vcpu_regs_set(vm, VCPU_ID, &regs);
rv = _vcpu_run(vm, VCPU_ID);
TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
"Unexpected exit reason: %u (%s),\n",
run->exit_reason,
exit_reason_str(run->exit_reason));
- TEST_ASSERT(run->s.regs.regs.r11 == 0xAAAA,
- "r11 sync regs value incorrect 0x%llx.",
- run->s.regs.regs.r11);
+ TEST_ASSERT(run->s.regs.regs.rbx == 0xAAAA,
+ "rbx sync regs value incorrect 0x%llx.",
+ run->s.regs.regs.rbx);
vcpu_regs_get(vm, VCPU_ID, &regs);
- TEST_ASSERT(regs.r11 == 0xBAC0 + 1,
- "r11 guest value incorrect 0x%llx.",
- regs.r11);
+ TEST_ASSERT(regs.rbx == 0xBAC0 + 1,
+ "rbx guest value incorrect 0x%llx.",
+ regs.rbx);
/* Clear kvm_valid_regs bits. Verify s.regs values are not overwritten
* with existing guest values but that guest values are overwritten
@@ -217,19 +222,19 @@ int main(int argc, char *argv[])
*/
run->kvm_valid_regs = 0;
run->kvm_dirty_regs = TEST_SYNC_FIELDS;
- run->s.regs.regs.r11 = 0xBBBB;
+ run->s.regs.regs.rbx = 0xBBBB;
rv = _vcpu_run(vm, VCPU_ID);
TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
"Unexpected exit reason: %u (%s),\n",
run->exit_reason,
exit_reason_str(run->exit_reason));
- TEST_ASSERT(run->s.regs.regs.r11 == 0xBBBB,
- "r11 sync regs value incorrect 0x%llx.",
- run->s.regs.regs.r11);
+ TEST_ASSERT(run->s.regs.regs.rbx == 0xBBBB,
+ "rbx sync regs value incorrect 0x%llx.",
+ run->s.regs.regs.rbx);
vcpu_regs_get(vm, VCPU_ID, &regs);
- TEST_ASSERT(regs.r11 == 0xBBBB + 1,
- "r11 guest value incorrect 0x%llx.",
- regs.r11);
+ TEST_ASSERT(regs.rbx == 0xBBBB + 1,
+ "rbx guest value incorrect 0x%llx.",
+ regs.rbx);
kvm_vm_free(vm);
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c b/tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c
new file mode 100644
index 000000000000..3b0ffe01dacd
--- /dev/null
+++ b/tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * vmx_close_while_nested
+ *
+ * Copyright (C) 2019, Red Hat, Inc.
+ *
+ * Verify that nothing bad happens if a KVM user exits with open
+ * file descriptors while executing a nested guest.
+ */
+
+#include "test_util.h"
+#include "kvm_util.h"
+#include "processor.h"
+#include "vmx.h"
+
+#include <string.h>
+#include <sys/ioctl.h>
+
+#include "kselftest.h"
+
+#define VCPU_ID 5
+
+enum {
+ PORT_L0_EXIT = 0x2000,
+};
+
+/* The virtual machine object. */
+static struct kvm_vm *vm;
+
+static void l2_guest_code(void)
+{
+ /* Exit to L0 */
+ asm volatile("inb %%dx, %%al"
+ : : [port] "d" (PORT_L0_EXIT) : "rax");
+}
+
+static void l1_guest_code(struct vmx_pages *vmx_pages)
+{
+#define L2_GUEST_STACK_SIZE 64
+ unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE];
+
+ GUEST_ASSERT(prepare_for_vmx_operation(vmx_pages));
+ GUEST_ASSERT(load_vmcs(vmx_pages));
+
+ /* Prepare the VMCS for L2 execution. */
+ prepare_vmcs(vmx_pages, l2_guest_code,
+ &l2_guest_stack[L2_GUEST_STACK_SIZE]);
+
+ GUEST_ASSERT(!vmlaunch());
+ GUEST_ASSERT(0);
+}
+
+int main(int argc, char *argv[])
+{
+ vm_vaddr_t vmx_pages_gva;
+ struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
+
+ if (!(entry->ecx & CPUID_VMX)) {
+ fprintf(stderr, "nested VMX not enabled, skipping test\n");
+ exit(KSFT_SKIP);
+ }
+
+ vm = vm_create_default(VCPU_ID, 0, (void *) l1_guest_code);
+ vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+
+ /* Allocate VMX pages and shared descriptors (vmx_pages). */
+ vcpu_alloc_vmx(vm, &vmx_pages_gva);
+ vcpu_args_set(vm, VCPU_ID, 1, vmx_pages_gva);
+
+ for (;;) {
+ volatile struct kvm_run *run = vcpu_state(vm, VCPU_ID);
+ struct ucall uc;
+
+ vcpu_run(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
+ "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n",
+ run->exit_reason,
+ exit_reason_str(run->exit_reason));
+
+ if (run->io.port == PORT_L0_EXIT)
+ break;
+
+ switch (get_ucall(vm, VCPU_ID, &uc)) {
+ case UCALL_ABORT:
+ TEST_ASSERT(false, "%s", (const char *)uc.args[0]);
+ /* NOT REACHED */
+ default:
+ TEST_ASSERT(false, "Unknown ucall 0x%x.", uc.cmd);
+ }
+ }
+}
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c b/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c
new file mode 100644
index 000000000000..ed7218d166da
--- /dev/null
+++ b/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c
@@ -0,0 +1,287 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * vmx_set_nested_state_test
+ *
+ * Copyright (C) 2019, Google LLC.
+ *
+ * This test verifies the integrity of calling the ioctl KVM_SET_NESTED_STATE.
+ */
+
+#include "test_util.h"
+#include "kvm_util.h"
+#include "processor.h"
+#include "vmx.h"
+
+#include <errno.h>
+#include <linux/kvm.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+/*
+ * Mirror of VMCS12_REVISION in arch/x86/kvm/vmx/vmcs12.h. If that value
+ * changes this should be updated.
+ */
+#define VMCS12_REVISION 0x11e57ed0
+#define VCPU_ID 5
+
+void test_nested_state(struct kvm_vm *vm, struct kvm_nested_state *state)
+{
+ volatile struct kvm_run *run;
+
+ vcpu_nested_state_set(vm, VCPU_ID, state, false);
+ run = vcpu_state(vm, VCPU_ID);
+ vcpu_run(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_SHUTDOWN,
+ "Got exit_reason other than KVM_EXIT_SHUTDOWN: %u (%s),\n",
+ run->exit_reason,
+ exit_reason_str(run->exit_reason));
+}
+
+void test_nested_state_expect_errno(struct kvm_vm *vm,
+ struct kvm_nested_state *state,
+ int expected_errno)
+{
+ volatile struct kvm_run *run;
+ int rv;
+
+ rv = vcpu_nested_state_set(vm, VCPU_ID, state, true);
+ TEST_ASSERT(rv == -1 && errno == expected_errno,
+ "Expected %s (%d) from vcpu_nested_state_set but got rv: %i errno: %s (%d)",
+ strerror(expected_errno), expected_errno, rv, strerror(errno),
+ errno);
+ run = vcpu_state(vm, VCPU_ID);
+ vcpu_run(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_SHUTDOWN,
+ "Got exit_reason other than KVM_EXIT_SHUTDOWN: %u (%s),\n",
+ run->exit_reason,
+ exit_reason_str(run->exit_reason));
+}
+
+void test_nested_state_expect_einval(struct kvm_vm *vm,
+ struct kvm_nested_state *state)
+{
+ test_nested_state_expect_errno(vm, state, EINVAL);
+}
+
+void test_nested_state_expect_efault(struct kvm_vm *vm,
+ struct kvm_nested_state *state)
+{
+ test_nested_state_expect_errno(vm, state, EFAULT);
+}
+
+void set_revision_id_for_vmcs12(struct kvm_nested_state *state,
+ u32 vmcs12_revision)
+{
+ /* Set revision_id in vmcs12 to vmcs12_revision. */
+ memcpy(&state->data, &vmcs12_revision, sizeof(u32));
+}
+
+void set_default_state(struct kvm_nested_state *state)
+{
+ memset(state, 0, sizeof(*state));
+ state->flags = KVM_STATE_NESTED_RUN_PENDING |
+ KVM_STATE_NESTED_GUEST_MODE;
+ state->format = 0;
+ state->size = sizeof(*state);
+}
+
+void set_default_vmx_state(struct kvm_nested_state *state, int size)
+{
+ memset(state, 0, size);
+ state->flags = KVM_STATE_NESTED_GUEST_MODE |
+ KVM_STATE_NESTED_RUN_PENDING |
+ KVM_STATE_NESTED_EVMCS;
+ state->format = 0;
+ state->size = size;
+ state->hdr.vmx.vmxon_pa = 0x1000;
+ state->hdr.vmx.vmcs12_pa = 0x2000;
+ state->hdr.vmx.smm.flags = 0;
+ set_revision_id_for_vmcs12(state, VMCS12_REVISION);
+}
+
+void test_vmx_nested_state(struct kvm_vm *vm)
+{
+ /* Add a page for VMCS12. */
+ const int state_sz = sizeof(struct kvm_nested_state) + getpagesize();
+ struct kvm_nested_state *state =
+ (struct kvm_nested_state *)malloc(state_sz);
+
+ /* The format must be set to 0. 0 for VMX, 1 for SVM. */
+ set_default_vmx_state(state, state_sz);
+ state->format = 1;
+ test_nested_state_expect_einval(vm, state);
+
+ /*
+ * We cannot virtualize anything if the guest does not have VMX
+ * enabled.
+ */
+ set_default_vmx_state(state, state_sz);
+ test_nested_state_expect_einval(vm, state);
+
+ /*
+ * We cannot virtualize anything if the guest does not have VMX
+ * enabled. We expect KVM_SET_NESTED_STATE to return 0 if vmxon_pa
+ * is set to -1ull, but the flags must be zero.
+ */
+ set_default_vmx_state(state, state_sz);
+ state->hdr.vmx.vmxon_pa = -1ull;
+ test_nested_state_expect_einval(vm, state);
+
+ state->hdr.vmx.vmcs12_pa = -1ull;
+ state->flags = KVM_STATE_NESTED_EVMCS;
+ test_nested_state_expect_einval(vm, state);
+
+ state->flags = 0;
+ test_nested_state(vm, state);
+
+ /* Enable VMX in the guest CPUID. */
+ vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+
+ /*
+ * Setting vmxon_pa == -1ull and vmcs_pa == -1ull exits early without
+ * setting the nested state but flags other than eVMCS must be clear.
+ */
+ set_default_vmx_state(state, state_sz);
+ state->hdr.vmx.vmxon_pa = -1ull;
+ state->hdr.vmx.vmcs12_pa = -1ull;
+ test_nested_state_expect_einval(vm, state);
+
+ state->flags = KVM_STATE_NESTED_EVMCS;
+ test_nested_state(vm, state);
+
+ /* It is invalid to have vmxon_pa == -1ull and SMM flags non-zero. */
+ state->hdr.vmx.smm.flags = 1;
+ test_nested_state_expect_einval(vm, state);
+
+ /* It is invalid to have vmxon_pa == -1ull and vmcs_pa != -1ull. */
+ set_default_vmx_state(state, state_sz);
+ state->hdr.vmx.vmxon_pa = -1ull;
+ state->flags = 0;
+ test_nested_state_expect_einval(vm, state);
+
+ /* It is invalid to have vmxon_pa set to a non-page aligned address. */
+ set_default_vmx_state(state, state_sz);
+ state->hdr.vmx.vmxon_pa = 1;
+ test_nested_state_expect_einval(vm, state);
+
+ /*
+ * It is invalid to have KVM_STATE_NESTED_SMM_GUEST_MODE and
+ * KVM_STATE_NESTED_GUEST_MODE set together.
+ */
+ set_default_vmx_state(state, state_sz);
+ state->flags = KVM_STATE_NESTED_GUEST_MODE |
+ KVM_STATE_NESTED_RUN_PENDING;
+ state->hdr.vmx.smm.flags = KVM_STATE_NESTED_SMM_GUEST_MODE;
+ test_nested_state_expect_einval(vm, state);
+
+ /*
+ * It is invalid to have any of the SMM flags set besides:
+ * KVM_STATE_NESTED_SMM_GUEST_MODE
+ * KVM_STATE_NESTED_SMM_VMXON
+ */
+ set_default_vmx_state(state, state_sz);
+ state->hdr.vmx.smm.flags = ~(KVM_STATE_NESTED_SMM_GUEST_MODE |
+ KVM_STATE_NESTED_SMM_VMXON);
+ test_nested_state_expect_einval(vm, state);
+
+ /* Outside SMM, SMM flags must be zero. */
+ set_default_vmx_state(state, state_sz);
+ state->flags = 0;
+ state->hdr.vmx.smm.flags = KVM_STATE_NESTED_SMM_GUEST_MODE;
+ test_nested_state_expect_einval(vm, state);
+
+ /* Size must be large enough to fit kvm_nested_state and vmcs12. */
+ set_default_vmx_state(state, state_sz);
+ state->size = sizeof(*state);
+ test_nested_state(vm, state);
+
+ /* vmxon_pa cannot be the same address as vmcs_pa. */
+ set_default_vmx_state(state, state_sz);
+ state->hdr.vmx.vmxon_pa = 0;
+ state->hdr.vmx.vmcs12_pa = 0;
+ test_nested_state_expect_einval(vm, state);
+
+ /* The revision id for vmcs12 must be VMCS12_REVISION. */
+ set_default_vmx_state(state, state_sz);
+ set_revision_id_for_vmcs12(state, 0);
+ test_nested_state_expect_einval(vm, state);
+
+ /*
+ * Test that if we leave nesting the state reflects that when we get
+ * it again.
+ */
+ set_default_vmx_state(state, state_sz);
+ state->hdr.vmx.vmxon_pa = -1ull;
+ state->hdr.vmx.vmcs12_pa = -1ull;
+ state->flags = 0;
+ test_nested_state(vm, state);
+ vcpu_nested_state_get(vm, VCPU_ID, state);
+ TEST_ASSERT(state->size >= sizeof(*state) && state->size <= state_sz,
+ "Size must be between %d and %d. The size returned was %d.",
+ sizeof(*state), state_sz, state->size);
+ TEST_ASSERT(state->hdr.vmx.vmxon_pa == -1ull, "vmxon_pa must be -1ull.");
+ TEST_ASSERT(state->hdr.vmx.vmcs12_pa == -1ull, "vmcs_pa must be -1ull.");
+
+ free(state);
+}
+
+int main(int argc, char *argv[])
+{
+ struct kvm_vm *vm;
+ struct kvm_nested_state state;
+ struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
+
+ if (!kvm_check_cap(KVM_CAP_NESTED_STATE)) {
+ printf("KVM_CAP_NESTED_STATE not available, skipping test\n");
+ exit(KSFT_SKIP);
+ }
+
+ /*
+ * AMD currently does not implement set_nested_state, so for now we
+ * just early out.
+ */
+ if (!(entry->ecx & CPUID_VMX)) {
+ fprintf(stderr, "nested VMX not enabled, skipping test\n");
+ exit(KSFT_SKIP);
+ }
+
+ vm = vm_create_default(VCPU_ID, 0, 0);
+
+ /* Passing a NULL kvm_nested_state causes a EFAULT. */
+ test_nested_state_expect_efault(vm, NULL);
+
+ /* 'size' cannot be smaller than sizeof(kvm_nested_state). */
+ set_default_state(&state);
+ state.size = 0;
+ test_nested_state_expect_einval(vm, &state);
+
+ /*
+ * Setting the flags 0xf fails the flags check. The only flags that
+ * can be used are:
+ * KVM_STATE_NESTED_GUEST_MODE
+ * KVM_STATE_NESTED_RUN_PENDING
+ * KVM_STATE_NESTED_EVMCS
+ */
+ set_default_state(&state);
+ state.flags = 0xf;
+ test_nested_state_expect_einval(vm, &state);
+
+ /*
+ * If KVM_STATE_NESTED_RUN_PENDING is set then
+ * KVM_STATE_NESTED_GUEST_MODE has to be set as well.
+ */
+ set_default_state(&state);
+ state.flags = KVM_STATE_NESTED_RUN_PENDING;
+ test_nested_state_expect_einval(vm, &state);
+
+ /*
+ * TODO: When SVM support is added for KVM_SET_NESTED_STATE
+ * add tests here to support it like VMX.
+ */
+ if (entry->ecx & CPUID_VMX)
+ test_vmx_nested_state(vm);
+
+ kvm_vm_free(vm);
+ return 0;
+}
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
index 18fa64db0d7a..f36c10eba71e 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* vmx_tsc_adjust_test
*
* Copyright (C) 2018, Google LLC.
*
- * This work is licensed under the terms of the GNU GPL, version 2.
- *
- *
* IA32_TSC_ADJUST test
*
* According to the SDM, "if an execution of WRMSR to the
@@ -121,7 +119,7 @@ static void l1_guest_code(struct vmx_pages *vmx_pages)
GUEST_DONE();
}
-void report(int64_t val)
+static void report(int64_t val)
{
printf("IA32_TSC_ADJUST is %ld (%lld * TSC_ADJUST_VALUE + %lld).\n",
val, val / TSC_ADJUST_VALUE, val % TSC_ADJUST_VALUE);
@@ -129,7 +127,6 @@ void report(int64_t val)
int main(int argc, char *argv[])
{
- struct vmx_pages *vmx_pages;
vm_vaddr_t vmx_pages_gva;
struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
@@ -142,7 +139,7 @@ int main(int argc, char *argv[])
vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
/* Allocate VMX pages and shared descriptors (vmx_pages). */
- vmx_pages = vcpu_alloc_vmx(vm, &vmx_pages_gva);
+ vcpu_alloc_vmx(vm, &vmx_pages_gva);
vcpu_args_set(vm, VCPU_ID, 1, vmx_pages_gva);
for (;;) {
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 8b0f16409ed7..1c8a1963d03f 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -3,8 +3,12 @@
CC := $(CROSS_COMPILE)gcc
ifeq (0,$(MAKELEVEL))
-OUTPUT := $(shell pwd)
+ ifeq ($(OUTPUT),)
+ OUTPUT := $(shell pwd)
+ DEFAULT_INSTALL_HDR_PATH := 1
+ endif
endif
+selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST))))
# The following are built by lib.mk common compile rules.
# TEST_CUSTOM_PROGS should be used by tests that require
@@ -21,9 +25,34 @@ top_srcdir ?= ../../../..
include $(top_srcdir)/scripts/subarch.include
ARCH ?= $(SUBARCH)
+# set default goal to all, so make without a target runs all, even when
+# all isn't the first target in the file.
+.DEFAULT_GOAL := all
+
+# Invoke headers install with --no-builtin-rules to avoid circular
+# dependency in "make kselftest" case. In this case, second level
+# make inherits builtin-rules which will use the rule generate
+# Makefile.o and runs into
+# "Circular Makefile.o <- prepare dependency dropped."
+# and headers_install fails and test compile fails.
+# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
+# invokes them as sub-makes and --no-builtin-rules is not necessary,
+# but doesn't cause any failures. Keep it simple and use the same
+# flags in both cases.
+# Note that the support to install headers from lib.mk is necessary
+# when test Makefile is run directly with "make -C".
+# When local build is done, headers are installed in the default
+# INSTALL_HDR_PATH usr/include.
.PHONY: khdr
khdr:
- make ARCH=$(ARCH) -C $(top_srcdir) headers_install
+ifndef KSFT_KHDR_INSTALL_DONE
+ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
+ make --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
+else
+ make --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
+ ARCH=$(ARCH) -C $(top_srcdir) headers_install
+endif
+endif
all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
else
@@ -31,48 +60,17 @@ all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
endif
.ONESHELL:
-define RUN_TEST_PRINT_RESULT
- TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST"; \
- echo $$TEST_HDR_MSG; \
- echo "========================================"; \
- if [ ! -x $$TEST ]; then \
- echo "$$TEST_HDR_MSG: Warning: file $$BASENAME_TEST is not executable, correct this.";\
- echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]"; \
- else \
- cd `dirname $$TEST` > /dev/null; \
- if [ "X$(summary)" != "X" ]; then \
- (./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 && \
- echo "ok 1..$$test_num $$TEST_HDR_MSG [PASS]") || \
- (if [ $$? -eq $$skip ]; then \
- echo "not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]"; \
- else echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]"; \
- fi;) \
- else \
- (./$$BASENAME_TEST && \
- echo "ok 1..$$test_num $$TEST_HDR_MSG [PASS]") || \
- (if [ $$? -eq $$skip ]; then \
- echo "not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]"; \
- else echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]"; \
- fi;) \
- fi; \
- cd - > /dev/null; \
- fi;
-endef
-
define RUN_TESTS
- @export KSFT_TAP_LEVEL=`echo 1`; \
- test_num=`echo 0`; \
- skip=`echo 4`; \
- echo "TAP version 13"; \
- for TEST in $(1); do \
- BASENAME_TEST=`basename $$TEST`; \
- test_num=`echo $$test_num+1 | bc`; \
- $(call RUN_TEST_PRINT_RESULT,$(TEST),$(BASENAME_TEST),$(test_num),$(skip)) \
- done;
+ @BASE_DIR="$(selfdir)"; \
+ . $(selfdir)/kselftest/runner.sh; \
+ if [ "X$(summary)" != "X" ]; then \
+ per_test_logging=1; \
+ fi; \
+ run_many $(1)
endef
run_tests: all
-ifneq ($(KBUILD_SRC),)
+ifdef building_out_of_srctree
@if [ "X$(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)" != "X" ]; then
@rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT)
fi
@@ -105,24 +103,12 @@ else
$(error Error: set INSTALL_PATH to use install)
endif
-define EMIT_TESTS
- @test_num=`echo 0`; \
+emit_tests:
for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
BASENAME_TEST=`basename $$TEST`; \
- test_num=`echo $$test_num+1 | bc`; \
- TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST"; \
- echo "echo $$TEST_HDR_MSG"; \
- if [ ! -x $$TEST ]; then \
- echo "echo \"$$TEST_HDR_MSG: Warning: file $$BASENAME_TEST is not executable, correct this.\""; \
- echo "echo \"not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]\""; \
- else
- echo "(./$$BASENAME_TEST >> \$$OUTPUT 2>&1 && echo \"ok 1..$$test_num $$TEST_HDR_MSG [PASS]\") || (if [ \$$? -eq \$$skip ]; then echo \"not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]\"; else echo \"not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]\"; fi;)"; \
- fi; \
- done;
-endef
-
-emit_tests:
- $(EMIT_TESTS)
+ echo " \\"; \
+ echo -n " \"$$BASENAME_TEST\""; \
+ done; \
# define if isn't already. It is undefined in make O= case.
ifeq ($(RM),)
@@ -139,7 +125,7 @@ clean:
# When make O= with kselftest target from main level
# the following aren't defined.
#
-ifneq ($(KBUILD_SRC),)
+ifdef building_out_of_srctree
LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
diff --git a/tools/testing/selftests/lib/Makefile b/tools/testing/selftests/lib/Makefile
index 70d5711e3ac8..a105f094676e 100644
--- a/tools/testing/selftests/lib/Makefile
+++ b/tools/testing/selftests/lib/Makefile
@@ -1,8 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
# Makefile for lib/ function selftests
# No binaries, but make sure arg-less "make" doesn't trigger "run_tests"
all:
-TEST_PROGS := printf.sh bitmap.sh prime_numbers.sh
+TEST_PROGS := printf.sh bitmap.sh prime_numbers.sh strscpy.sh
include ../lib.mk
diff --git a/tools/testing/selftests/lib/bitmap.sh b/tools/testing/selftests/lib/bitmap.sh
index 5a90006d1aea..5511dddc5c2d 100755
--- a/tools/testing/selftests/lib/bitmap.sh
+++ b/tools/testing/selftests/lib/bitmap.sh
@@ -1,19 +1,3 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
-
-# Kselftest framework requirement - SKIP code is 4.
-ksft_skip=4
-
-# Runs bitmap infrastructure tests using test_bitmap kernel module
-if ! /sbin/modprobe -q -n test_bitmap; then
- echo "bitmap: module test_bitmap is not found [SKIP]"
- exit $ksft_skip
-fi
-
-if /sbin/modprobe -q test_bitmap; then
- /sbin/modprobe -q -r test_bitmap
- echo "bitmap: ok"
-else
- echo "bitmap: [FAIL]"
- exit 1
-fi
+$(dirname $0)/../kselftest_module.sh "bitmap" test_bitmap
diff --git a/tools/testing/selftests/lib/config b/tools/testing/selftests/lib/config
index 126933bcc950..14a77ea4a8da 100644
--- a/tools/testing/selftests/lib/config
+++ b/tools/testing/selftests/lib/config
@@ -1,3 +1,4 @@
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
CONFIG_PRIME_NUMBERS=m
+CONFIG_TEST_STRSCPY=m
diff --git a/tools/testing/selftests/lib/prime_numbers.sh b/tools/testing/selftests/lib/prime_numbers.sh
index 78e7483c8d60..43b28f24e453 100755
--- a/tools/testing/selftests/lib/prime_numbers.sh
+++ b/tools/testing/selftests/lib/prime_numbers.sh
@@ -1,19 +1,4 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Checks fast/slow prime_number generation for inconsistencies
-
-# Kselftest framework requirement - SKIP code is 4.
-ksft_skip=4
-
-if ! /sbin/modprobe -q -n prime_numbers; then
- echo "prime_numbers: module prime_numbers is not found [SKIP]"
- exit $ksft_skip
-fi
-
-if /sbin/modprobe -q prime_numbers selftest=65536; then
- /sbin/modprobe -q -r prime_numbers
- echo "prime_numbers: ok"
-else
- echo "prime_numbers: [FAIL]"
- exit 1
-fi
+$(dirname $0)/../kselftest_module.sh "prime numbers" prime_numbers selftest=65536
diff --git a/tools/testing/selftests/lib/printf.sh b/tools/testing/selftests/lib/printf.sh
index 45a23e2d64ad..2ffa61da0296 100755
--- a/tools/testing/selftests/lib/printf.sh
+++ b/tools/testing/selftests/lib/printf.sh
@@ -1,19 +1,4 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
-# Runs printf infrastructure using test_printf kernel module
-
-# Kselftest framework requirement - SKIP code is 4.
-ksft_skip=4
-
-if ! /sbin/modprobe -q -n test_printf; then
- echo "printf: module test_printf is not found [SKIP]"
- exit $ksft_skip
-fi
-
-if /sbin/modprobe -q test_printf; then
- /sbin/modprobe -q -r test_printf
- echo "printf: ok"
-else
- echo "printf: [FAIL]"
- exit 1
-fi
+# Tests the printf infrastructure using test_printf kernel module.
+$(dirname $0)/../kselftest_module.sh "printf" test_printf
diff --git a/tools/testing/selftests/lib/strscpy.sh b/tools/testing/selftests/lib/strscpy.sh
new file mode 100755
index 000000000000..71f2be6afba6
--- /dev/null
+++ b/tools/testing/selftests/lib/strscpy.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
+$(dirname $0)/../kselftest_module.sh "strscpy*" test_strscpy
diff --git a/tools/testing/selftests/livepatch/Makefile b/tools/testing/selftests/livepatch/Makefile
new file mode 100644
index 000000000000..fd405402c3ff
--- /dev/null
+++ b/tools/testing/selftests/livepatch/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
+
+TEST_PROGS_EXTENDED := functions.sh
+TEST_PROGS := \
+ test-livepatch.sh \
+ test-callbacks.sh \
+ test-shadow-vars.sh
+
+include ../lib.mk
diff --git a/tools/testing/selftests/livepatch/README b/tools/testing/selftests/livepatch/README
new file mode 100644
index 000000000000..b73cd0e2dd51
--- /dev/null
+++ b/tools/testing/selftests/livepatch/README
@@ -0,0 +1,43 @@
+====================
+Livepatch Self Tests
+====================
+
+This is a small set of sanity tests for the kernel livepatching.
+
+The test suite loads and unloads several test kernel modules to verify
+livepatch behavior. Debug information is logged to the kernel's message
+buffer and parsed for expected messages. (Note: the tests will clear
+the message buffer between individual tests.)
+
+
+Config
+------
+
+Set these config options and their prerequisites:
+
+CONFIG_LIVEPATCH=y
+CONFIG_TEST_LIVEPATCH=m
+
+
+Running the tests
+-----------------
+
+Test kernel modules are built as part of lib/ (make modules) and need to
+be installed (make modules_install) as the test scripts will modprobe
+them.
+
+To run the livepatch selftests, from the top of the kernel source tree:
+
+ % make -C tools/testing/selftests TARGETS=livepatch run_tests
+
+
+Adding tests
+------------
+
+See the common functions.sh file for the existing collection of utility
+functions, most importantly set_dynamic_debug() and check_result(). The
+latter function greps the kernel's ring buffer for "livepatch:" and
+"test_klp" strings, so tests be sure to include one of those strings for
+result comparison. Other utility functions include general module
+loading and livepatch loading helpers (waiting for patch transitions,
+sysfs entries, etc.)
diff --git a/tools/testing/selftests/livepatch/config b/tools/testing/selftests/livepatch/config
new file mode 100644
index 000000000000..0dd7700464a8
--- /dev/null
+++ b/tools/testing/selftests/livepatch/config
@@ -0,0 +1 @@
+CONFIG_TEST_LIVEPATCH=m
diff --git a/tools/testing/selftests/livepatch/functions.sh b/tools/testing/selftests/livepatch/functions.sh
new file mode 100644
index 000000000000..30195449c63c
--- /dev/null
+++ b/tools/testing/selftests/livepatch/functions.sh
@@ -0,0 +1,198 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2018 Joe Lawrence <joe.lawrence@redhat.com>
+
+# Shell functions for the rest of the scripts.
+
+MAX_RETRIES=600
+RETRY_INTERVAL=".1" # seconds
+
+# log(msg) - write message to kernel log
+# msg - insightful words
+function log() {
+ echo "$1" > /dev/kmsg
+}
+
+# die(msg) - game over, man
+# msg - dying words
+function die() {
+ log "ERROR: $1"
+ echo "ERROR: $1" >&2
+ exit 1
+}
+
+# set_dynamic_debug() - setup kernel dynamic debug
+# TODO - push and pop this config?
+function set_dynamic_debug() {
+ cat << EOF > /sys/kernel/debug/dynamic_debug/control
+file kernel/livepatch/* +p
+func klp_try_switch_task -p
+EOF
+}
+
+# loop_until(cmd) - loop a command until it is successful or $MAX_RETRIES,
+# sleep $RETRY_INTERVAL between attempts
+# cmd - command and its arguments to run
+function loop_until() {
+ local cmd="$*"
+ local i=0
+ while true; do
+ eval "$cmd" && return 0
+ [[ $((i++)) -eq $MAX_RETRIES ]] && return 1
+ sleep $RETRY_INTERVAL
+ done
+}
+
+function is_livepatch_mod() {
+ local mod="$1"
+
+ if [[ $(modinfo "$mod" | awk '/^livepatch:/{print $NF}') == "Y" ]]; then
+ return 0
+ fi
+
+ return 1
+}
+
+function __load_mod() {
+ local mod="$1"; shift
+
+ local msg="% modprobe $mod $*"
+ log "${msg%% }"
+ ret=$(modprobe "$mod" "$@" 2>&1)
+ if [[ "$ret" != "" ]]; then
+ die "$ret"
+ fi
+
+ # Wait for module in sysfs ...
+ loop_until '[[ -e "/sys/module/$mod" ]]' ||
+ die "failed to load module $mod"
+}
+
+
+# load_mod(modname, params) - load a kernel module
+# modname - module name to load
+# params - module parameters to pass to modprobe
+function load_mod() {
+ local mod="$1"; shift
+
+ is_livepatch_mod "$mod" &&
+ die "use load_lp() to load the livepatch module $mod"
+
+ __load_mod "$mod" "$@"
+}
+
+# load_lp_nowait(modname, params) - load a kernel module with a livepatch
+# but do not wait on until the transition finishes
+# modname - module name to load
+# params - module parameters to pass to modprobe
+function load_lp_nowait() {
+ local mod="$1"; shift
+
+ is_livepatch_mod "$mod" ||
+ die "module $mod is not a livepatch"
+
+ __load_mod "$mod" "$@"
+
+ # Wait for livepatch in sysfs ...
+ loop_until '[[ -e "/sys/kernel/livepatch/$mod" ]]' ||
+ die "failed to load module $mod (sysfs)"
+}
+
+# load_lp(modname, params) - load a kernel module with a livepatch
+# modname - module name to load
+# params - module parameters to pass to modprobe
+function load_lp() {
+ local mod="$1"; shift
+
+ load_lp_nowait "$mod" "$@"
+
+ # Wait until the transition finishes ...
+ loop_until 'grep -q '^0$' /sys/kernel/livepatch/$mod/transition' ||
+ die "failed to complete transition"
+}
+
+# load_failing_mod(modname, params) - load a kernel module, expect to fail
+# modname - module name to load
+# params - module parameters to pass to modprobe
+function load_failing_mod() {
+ local mod="$1"; shift
+
+ local msg="% modprobe $mod $*"
+ log "${msg%% }"
+ ret=$(modprobe "$mod" "$@" 2>&1)
+ if [[ "$ret" == "" ]]; then
+ die "$mod unexpectedly loaded"
+ fi
+ log "$ret"
+}
+
+# unload_mod(modname) - unload a kernel module
+# modname - module name to unload
+function unload_mod() {
+ local mod="$1"
+
+ # Wait for module reference count to clear ...
+ loop_until '[[ $(cat "/sys/module/$mod/refcnt") == "0" ]]' ||
+ die "failed to unload module $mod (refcnt)"
+
+ log "% rmmod $mod"
+ ret=$(rmmod "$mod" 2>&1)
+ if [[ "$ret" != "" ]]; then
+ die "$ret"
+ fi
+
+ # Wait for module in sysfs ...
+ loop_until '[[ ! -e "/sys/module/$mod" ]]' ||
+ die "failed to unload module $mod (/sys/module)"
+}
+
+# unload_lp(modname) - unload a kernel module with a livepatch
+# modname - module name to unload
+function unload_lp() {
+ unload_mod "$1"
+}
+
+# disable_lp(modname) - disable a livepatch
+# modname - module name to unload
+function disable_lp() {
+ local mod="$1"
+
+ log "% echo 0 > /sys/kernel/livepatch/$mod/enabled"
+ echo 0 > /sys/kernel/livepatch/"$mod"/enabled
+
+ # Wait until the transition finishes and the livepatch gets
+ # removed from sysfs...
+ loop_until '[[ ! -e "/sys/kernel/livepatch/$mod" ]]' ||
+ die "failed to disable livepatch $mod"
+}
+
+# set_pre_patch_ret(modname, pre_patch_ret)
+# modname - module name to set
+# pre_patch_ret - new pre_patch_ret value
+function set_pre_patch_ret {
+ local mod="$1"; shift
+ local ret="$1"
+
+ log "% echo $ret > /sys/module/$mod/parameters/pre_patch_ret"
+ echo "$ret" > /sys/module/"$mod"/parameters/pre_patch_ret
+
+ # Wait for sysfs value to hold ...
+ loop_until '[[ $(cat "/sys/module/$mod/parameters/pre_patch_ret") == "$ret" ]]' ||
+ die "failed to set pre_patch_ret parameter for $mod module"
+}
+
+# check_result() - verify dmesg output
+# TODO - better filter, out of order msgs, etc?
+function check_result {
+ local expect="$*"
+ local result
+
+ result=$(dmesg | grep -v 'tainting' | grep -e 'livepatch:' -e 'test_klp' | sed 's/^\[[ 0-9.]*\] //')
+
+ if [[ "$expect" == "$result" ]] ; then
+ echo "ok"
+ else
+ echo -e "not ok\n\n$(diff -upr --label expected --label result <(echo "$expect") <(echo "$result"))\n"
+ die "livepatch kselftest(s) failed"
+ fi
+}
diff --git a/tools/testing/selftests/livepatch/test-callbacks.sh b/tools/testing/selftests/livepatch/test-callbacks.sh
new file mode 100755
index 000000000000..e97a9dcb73c7
--- /dev/null
+++ b/tools/testing/selftests/livepatch/test-callbacks.sh
@@ -0,0 +1,587 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2018 Joe Lawrence <joe.lawrence@redhat.com>
+
+. $(dirname $0)/functions.sh
+
+MOD_LIVEPATCH=test_klp_callbacks_demo
+MOD_LIVEPATCH2=test_klp_callbacks_demo2
+MOD_TARGET=test_klp_callbacks_mod
+MOD_TARGET_BUSY=test_klp_callbacks_busy
+
+set_dynamic_debug
+
+
+# TEST: target module before livepatch
+#
+# Test a combination of loading a kernel module and a livepatch that
+# patches a function in the first module. Load the target module
+# before the livepatch module. Unload them in the same order.
+#
+# - On livepatch enable, before the livepatch transition starts,
+# pre-patch callbacks are executed for vmlinux and $MOD_TARGET (those
+# klp_objects currently loaded). After klp_objects are patched
+# according to the klp_patch, their post-patch callbacks run and the
+# transition completes.
+#
+# - Similarly, on livepatch disable, pre-patch callbacks run before the
+# unpatching transition starts. klp_objects are reverted, post-patch
+# callbacks execute and the transition completes.
+
+echo -n "TEST: target module before livepatch ... "
+dmesg -C
+
+load_mod $MOD_TARGET
+load_lp $MOD_LIVEPATCH
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+unload_mod $MOD_TARGET
+
+check_result "% modprobe $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_init
+% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+$MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+$MOD_LIVEPATCH: post_patch_callback: vmlinux
+$MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': patching complete
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+$MOD_LIVEPATCH: pre_unpatch_callback: vmlinux
+$MOD_LIVEPATCH: pre_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+$MOD_LIVEPATCH: post_unpatch_callback: vmlinux
+$MOD_LIVEPATCH: post_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH
+% rmmod $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_exit"
+
+
+# TEST: module_coming notifier
+#
+# This test is similar to the previous test, but (un)load the livepatch
+# module before the target kernel module. This tests the livepatch
+# core's module_coming handler.
+#
+# - On livepatch enable, only pre/post-patch callbacks are executed for
+# currently loaded klp_objects, in this case, vmlinux.
+#
+# - When a targeted module is subsequently loaded, only its
+# pre/post-patch callbacks are executed.
+#
+# - On livepatch disable, all currently loaded klp_objects' (vmlinux and
+# $MOD_TARGET) pre/post-unpatch callbacks are executed.
+
+echo -n "TEST: module_coming notifier ... "
+dmesg -C
+
+load_lp $MOD_LIVEPATCH
+load_mod $MOD_TARGET
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+unload_mod $MOD_TARGET
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+$MOD_LIVEPATCH: post_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': patching complete
+% modprobe $MOD_TARGET
+livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET'
+$MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init
+$MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init
+$MOD_TARGET: ${MOD_TARGET}_init
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+$MOD_LIVEPATCH: pre_unpatch_callback: vmlinux
+$MOD_LIVEPATCH: pre_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+$MOD_LIVEPATCH: post_unpatch_callback: vmlinux
+$MOD_LIVEPATCH: post_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH
+% rmmod $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_exit"
+
+
+# TEST: module_going notifier
+#
+# Test loading the livepatch after a targeted kernel module, then unload
+# the kernel module before disabling the livepatch. This tests the
+# livepatch core's module_going handler.
+#
+# - First load a target module, then the livepatch.
+#
+# - When a target module is unloaded, the livepatch is only reverted
+# from that klp_object ($MOD_TARGET). As such, only its pre and
+# post-unpatch callbacks are executed when this occurs.
+#
+# - When the livepatch is disabled, pre and post-unpatch callbacks are
+# run for the remaining klp_object, vmlinux.
+
+echo -n "TEST: module_going notifier ... "
+dmesg -C
+
+load_mod $MOD_TARGET
+load_lp $MOD_LIVEPATCH
+unload_mod $MOD_TARGET
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+
+check_result "% modprobe $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_init
+% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+$MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+$MOD_LIVEPATCH: post_patch_callback: vmlinux
+$MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': patching complete
+% rmmod $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_exit
+$MOD_LIVEPATCH: pre_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_GOING] Going away
+livepatch: reverting patch '$MOD_LIVEPATCH' on unloading module '$MOD_TARGET'
+$MOD_LIVEPATCH: post_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_GOING] Going away
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+$MOD_LIVEPATCH: pre_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+$MOD_LIVEPATCH: post_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH"
+
+
+# TEST: module_coming and module_going notifiers
+#
+# This test is similar to the previous test, however the livepatch is
+# loaded first. This tests the livepatch core's module_coming and
+# module_going handlers.
+#
+# - First load the livepatch.
+#
+# - When a targeted kernel module is subsequently loaded, only its
+# pre/post-patch callbacks are executed.
+#
+# - When the target module is unloaded, the livepatch is only reverted
+# from the $MOD_TARGET klp_object. As such, only pre and
+# post-unpatch callbacks are executed when this occurs.
+
+echo -n "TEST: module_coming and module_going notifiers ... "
+dmesg -C
+
+load_lp $MOD_LIVEPATCH
+load_mod $MOD_TARGET
+unload_mod $MOD_TARGET
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+$MOD_LIVEPATCH: post_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': patching complete
+% modprobe $MOD_TARGET
+livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET'
+$MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init
+$MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init
+$MOD_TARGET: ${MOD_TARGET}_init
+% rmmod $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_exit
+$MOD_LIVEPATCH: pre_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_GOING] Going away
+livepatch: reverting patch '$MOD_LIVEPATCH' on unloading module '$MOD_TARGET'
+$MOD_LIVEPATCH: post_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_GOING] Going away
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+$MOD_LIVEPATCH: pre_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+$MOD_LIVEPATCH: post_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH"
+
+
+# TEST: target module not present
+#
+# A simple test of loading a livepatch without one of its patch target
+# klp_objects ever loaded ($MOD_TARGET).
+#
+# - Load the livepatch.
+#
+# - As expected, only pre/post-(un)patch handlers are executed for
+# vmlinux.
+
+echo -n "TEST: target module not present ... "
+dmesg -C
+
+load_lp $MOD_LIVEPATCH
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+$MOD_LIVEPATCH: post_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': patching complete
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+$MOD_LIVEPATCH: pre_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+$MOD_LIVEPATCH: post_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH"
+
+
+# TEST: pre-patch callback -ENODEV
+#
+# Test a scenario where a vmlinux pre-patch callback returns a non-zero
+# status (ie, failure).
+#
+# - First load a target module.
+#
+# - Load the livepatch module, setting its 'pre_patch_ret' value to -19
+# (-ENODEV). When its vmlinux pre-patch callback executes, this
+# status code will propagate back to the module-loading subsystem.
+# The result is that the insmod command refuses to load the livepatch
+# module.
+
+echo -n "TEST: pre-patch callback -ENODEV ... "
+dmesg -C
+
+load_mod $MOD_TARGET
+load_failing_mod $MOD_LIVEPATCH pre_patch_ret=-19
+unload_mod $MOD_TARGET
+
+check_result "% modprobe $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_init
+% modprobe $MOD_LIVEPATCH pre_patch_ret=-19
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+test_klp_callbacks_demo: pre_patch_callback: vmlinux
+livepatch: pre-patch callback failed for object 'vmlinux'
+livepatch: failed to enable patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': canceling patching transition, going to unpatch
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+modprobe: ERROR: could not insert '$MOD_LIVEPATCH': No such device
+% rmmod $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_exit"
+
+
+# TEST: module_coming + pre-patch callback -ENODEV
+#
+# Similar to the previous test, setup a livepatch such that its vmlinux
+# pre-patch callback returns success. However, when a targeted kernel
+# module is later loaded, have the livepatch return a failing status
+# code.
+#
+# - Load the livepatch, vmlinux pre-patch callback succeeds.
+#
+# - Set a trap so subsequent pre-patch callbacks to this livepatch will
+# return -ENODEV.
+#
+# - The livepatch pre-patch callback for subsequently loaded target
+# modules will return failure, so the module loader refuses to load
+# the kernel module. No post-patch or pre/post-unpatch callbacks are
+# executed for this klp_object.
+#
+# - Pre/post-unpatch callbacks are run for the vmlinux klp_object.
+
+echo -n "TEST: module_coming + pre-patch callback -ENODEV ... "
+dmesg -C
+
+load_lp $MOD_LIVEPATCH
+set_pre_patch_ret $MOD_LIVEPATCH -19
+load_failing_mod $MOD_TARGET
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+$MOD_LIVEPATCH: post_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': patching complete
+% echo -19 > /sys/module/$MOD_LIVEPATCH/parameters/pre_patch_ret
+% modprobe $MOD_TARGET
+livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET'
+$MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init
+livepatch: pre-patch callback failed for object '$MOD_TARGET'
+livepatch: patch '$MOD_LIVEPATCH' failed for module '$MOD_TARGET', refusing to load module '$MOD_TARGET'
+modprobe: ERROR: could not insert '$MOD_TARGET': No such device
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+$MOD_LIVEPATCH: pre_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+$MOD_LIVEPATCH: post_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH"
+
+
+# TEST: multiple target modules
+#
+# Test loading multiple targeted kernel modules. This test-case is
+# mainly for comparing with the next test-case.
+#
+# - Load a target "busy" kernel module which kicks off a worker function
+# that immediately exits.
+#
+# - Proceed with loading the livepatch and another ordinary target
+# module. Post-patch callbacks are executed and the transition
+# completes quickly.
+
+echo -n "TEST: multiple target modules ... "
+dmesg -C
+
+load_mod $MOD_TARGET_BUSY sleep_secs=0
+# give $MOD_TARGET_BUSY::busymod_work_func() a chance to run
+sleep 5
+load_lp $MOD_LIVEPATCH
+load_mod $MOD_TARGET
+unload_mod $MOD_TARGET
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+unload_mod $MOD_TARGET_BUSY
+
+check_result "% modprobe $MOD_TARGET_BUSY sleep_secs=0
+$MOD_TARGET_BUSY: ${MOD_TARGET_BUSY}_init
+$MOD_TARGET_BUSY: busymod_work_func, sleeping 0 seconds ...
+$MOD_TARGET_BUSY: busymod_work_func exit
+% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+$MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET_BUSY -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+$MOD_LIVEPATCH: post_patch_callback: vmlinux
+$MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET_BUSY -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': patching complete
+% modprobe $MOD_TARGET
+livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET'
+$MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init
+$MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init
+$MOD_TARGET: ${MOD_TARGET}_init
+% rmmod $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_exit
+$MOD_LIVEPATCH: pre_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_GOING] Going away
+livepatch: reverting patch '$MOD_LIVEPATCH' on unloading module '$MOD_TARGET'
+$MOD_LIVEPATCH: post_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_GOING] Going away
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+$MOD_LIVEPATCH: pre_unpatch_callback: vmlinux
+$MOD_LIVEPATCH: pre_unpatch_callback: $MOD_TARGET_BUSY -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+$MOD_LIVEPATCH: post_unpatch_callback: vmlinux
+$MOD_LIVEPATCH: post_unpatch_callback: $MOD_TARGET_BUSY -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH
+% rmmod $MOD_TARGET_BUSY
+$MOD_TARGET_BUSY: ${MOD_TARGET_BUSY}_exit"
+
+
+
+# TEST: busy target module
+#
+# A similar test as the previous one, but force the "busy" kernel module
+# to do longer work.
+#
+# The livepatching core will refuse to patch a task that is currently
+# executing a to-be-patched function -- the consistency model stalls the
+# current patch transition until this safety-check is met. Test a
+# scenario where one of a livepatch's target klp_objects sits on such a
+# function for a long time. Meanwhile, load and unload other target
+# kernel modules while the livepatch transition is in progress.
+#
+# - Load the "busy" kernel module, this time make it do 10 seconds worth
+# of work.
+#
+# - Meanwhile, the livepatch is loaded. Notice that the patch
+# transition does not complete as the targeted "busy" module is
+# sitting on a to-be-patched function.
+#
+# - Load a second target module (this one is an ordinary idle kernel
+# module). Note that *no* post-patch callbacks will be executed while
+# the livepatch is still in transition.
+#
+# - Request an unload of the simple kernel module. The patch is still
+# transitioning, so its pre-unpatch callbacks are skipped.
+#
+# - Finally the livepatch is disabled. Since none of the patch's
+# klp_object's post-patch callbacks executed, the remaining
+# klp_object's pre-unpatch callbacks are skipped.
+
+echo -n "TEST: busy target module ... "
+dmesg -C
+
+load_mod $MOD_TARGET_BUSY sleep_secs=10
+load_lp_nowait $MOD_LIVEPATCH
+# Don't wait for transition, load $MOD_TARGET while the transition
+# is still stalled in $MOD_TARGET_BUSY::busymod_work_func()
+sleep 5
+load_mod $MOD_TARGET
+unload_mod $MOD_TARGET
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+unload_mod $MOD_TARGET_BUSY
+
+check_result "% modprobe $MOD_TARGET_BUSY sleep_secs=10
+$MOD_TARGET_BUSY: ${MOD_TARGET_BUSY}_init
+$MOD_TARGET_BUSY: busymod_work_func, sleeping 10 seconds ...
+% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+$MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET_BUSY -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+% modprobe $MOD_TARGET
+livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET'
+$MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init
+$MOD_TARGET: ${MOD_TARGET}_init
+% rmmod $MOD_TARGET
+$MOD_TARGET: ${MOD_TARGET}_exit
+livepatch: reverting patch '$MOD_LIVEPATCH' on unloading module '$MOD_TARGET'
+$MOD_LIVEPATCH: post_unpatch_callback: $MOD_TARGET -> [MODULE_STATE_GOING] Going away
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': reversing transition from patching to unpatching
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+$MOD_LIVEPATCH: post_unpatch_callback: vmlinux
+$MOD_LIVEPATCH: post_unpatch_callback: $MOD_TARGET_BUSY -> [MODULE_STATE_LIVE] Normal state
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH
+% rmmod $MOD_TARGET_BUSY
+$MOD_TARGET_BUSY: busymod_work_func exit
+$MOD_TARGET_BUSY: ${MOD_TARGET_BUSY}_exit"
+
+
+# TEST: multiple livepatches
+#
+# Test loading multiple livepatches. This test-case is mainly for comparing
+# with the next test-case.
+#
+# - Load and unload two livepatches, pre and post (un)patch callbacks
+# execute as each patch progresses through its (un)patching
+# transition.
+
+echo -n "TEST: multiple livepatches ... "
+dmesg -C
+
+load_lp $MOD_LIVEPATCH
+load_lp $MOD_LIVEPATCH2
+disable_lp $MOD_LIVEPATCH2
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH2
+unload_lp $MOD_LIVEPATCH
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+$MOD_LIVEPATCH: post_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': patching complete
+% modprobe $MOD_LIVEPATCH2
+livepatch: enabling patch '$MOD_LIVEPATCH2'
+livepatch: '$MOD_LIVEPATCH2': initializing patching transition
+$MOD_LIVEPATCH2: pre_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH2': starting patching transition
+livepatch: '$MOD_LIVEPATCH2': completing patching transition
+$MOD_LIVEPATCH2: post_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH2': patching complete
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH2/enabled
+livepatch: '$MOD_LIVEPATCH2': initializing unpatching transition
+$MOD_LIVEPATCH2: pre_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH2': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH2': completing unpatching transition
+$MOD_LIVEPATCH2: post_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH2': unpatching complete
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+$MOD_LIVEPATCH: pre_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+$MOD_LIVEPATCH: post_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH2
+% rmmod $MOD_LIVEPATCH"
+
+
+# TEST: atomic replace
+#
+# Load multiple livepatches, but the second as an 'atomic-replace'
+# patch. When the latter loads, the original livepatch should be
+# disabled and *none* of its pre/post-unpatch callbacks executed. On
+# the other hand, when the atomic-replace livepatch is disabled, its
+# pre/post-unpatch callbacks *should* be executed.
+#
+# - Load and unload two livepatches, the second of which has its
+# .replace flag set true.
+#
+# - Pre and post patch callbacks are executed for both livepatches.
+#
+# - Once the atomic replace module is loaded, only its pre and post
+# unpatch callbacks are executed.
+
+echo -n "TEST: atomic replace ... "
+dmesg -C
+
+load_lp $MOD_LIVEPATCH
+load_lp $MOD_LIVEPATCH2 replace=1
+disable_lp $MOD_LIVEPATCH2
+unload_lp $MOD_LIVEPATCH2
+unload_lp $MOD_LIVEPATCH
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+$MOD_LIVEPATCH: pre_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+$MOD_LIVEPATCH: post_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH': patching complete
+% modprobe $MOD_LIVEPATCH2 replace=1
+livepatch: enabling patch '$MOD_LIVEPATCH2'
+livepatch: '$MOD_LIVEPATCH2': initializing patching transition
+$MOD_LIVEPATCH2: pre_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH2': starting patching transition
+livepatch: '$MOD_LIVEPATCH2': completing patching transition
+$MOD_LIVEPATCH2: post_patch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH2': patching complete
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH2/enabled
+livepatch: '$MOD_LIVEPATCH2': initializing unpatching transition
+$MOD_LIVEPATCH2: pre_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH2': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH2': completing unpatching transition
+$MOD_LIVEPATCH2: post_unpatch_callback: vmlinux
+livepatch: '$MOD_LIVEPATCH2': unpatching complete
+% rmmod $MOD_LIVEPATCH2
+% rmmod $MOD_LIVEPATCH"
+
+
+exit 0
diff --git a/tools/testing/selftests/livepatch/test-livepatch.sh b/tools/testing/selftests/livepatch/test-livepatch.sh
new file mode 100755
index 000000000000..f05268aea859
--- /dev/null
+++ b/tools/testing/selftests/livepatch/test-livepatch.sh
@@ -0,0 +1,168 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2018 Joe Lawrence <joe.lawrence@redhat.com>
+
+. $(dirname $0)/functions.sh
+
+MOD_LIVEPATCH=test_klp_livepatch
+MOD_REPLACE=test_klp_atomic_replace
+
+set_dynamic_debug
+
+
+# TEST: basic function patching
+# - load a livepatch that modifies the output from /proc/cmdline and
+# verify correct behavior
+# - unload the livepatch and make sure the patch was removed
+
+echo -n "TEST: basic function patching ... "
+dmesg -C
+
+load_lp $MOD_LIVEPATCH
+
+if [[ "$(cat /proc/cmdline)" != "$MOD_LIVEPATCH: this has been live patched" ]] ; then
+ echo -e "FAIL\n\n"
+ die "livepatch kselftest(s) failed"
+fi
+
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+
+if [[ "$(cat /proc/cmdline)" == "$MOD_LIVEPATCH: this has been live patched" ]] ; then
+ echo -e "FAIL\n\n"
+ die "livepatch kselftest(s) failed"
+fi
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+livepatch: '$MOD_LIVEPATCH': patching complete
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH"
+
+
+# TEST: multiple livepatches
+# - load a livepatch that modifies the output from /proc/cmdline and
+# verify correct behavior
+# - load another livepatch and verify that both livepatches are active
+# - unload the second livepatch and verify that the first is still active
+# - unload the first livepatch and verify none are active
+
+echo -n "TEST: multiple livepatches ... "
+dmesg -C
+
+load_lp $MOD_LIVEPATCH
+
+grep 'live patched' /proc/cmdline > /dev/kmsg
+grep 'live patched' /proc/meminfo > /dev/kmsg
+
+load_lp $MOD_REPLACE replace=0
+
+grep 'live patched' /proc/cmdline > /dev/kmsg
+grep 'live patched' /proc/meminfo > /dev/kmsg
+
+disable_lp $MOD_REPLACE
+unload_lp $MOD_REPLACE
+
+grep 'live patched' /proc/cmdline > /dev/kmsg
+grep 'live patched' /proc/meminfo > /dev/kmsg
+
+disable_lp $MOD_LIVEPATCH
+unload_lp $MOD_LIVEPATCH
+
+grep 'live patched' /proc/cmdline > /dev/kmsg
+grep 'live patched' /proc/meminfo > /dev/kmsg
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+livepatch: '$MOD_LIVEPATCH': patching complete
+$MOD_LIVEPATCH: this has been live patched
+% modprobe $MOD_REPLACE replace=0
+livepatch: enabling patch '$MOD_REPLACE'
+livepatch: '$MOD_REPLACE': initializing patching transition
+livepatch: '$MOD_REPLACE': starting patching transition
+livepatch: '$MOD_REPLACE': completing patching transition
+livepatch: '$MOD_REPLACE': patching complete
+$MOD_LIVEPATCH: this has been live patched
+$MOD_REPLACE: this has been live patched
+% echo 0 > /sys/kernel/livepatch/$MOD_REPLACE/enabled
+livepatch: '$MOD_REPLACE': initializing unpatching transition
+livepatch: '$MOD_REPLACE': starting unpatching transition
+livepatch: '$MOD_REPLACE': completing unpatching transition
+livepatch: '$MOD_REPLACE': unpatching complete
+% rmmod $MOD_REPLACE
+$MOD_LIVEPATCH: this has been live patched
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH"
+
+
+# TEST: atomic replace livepatch
+# - load a livepatch that modifies the output from /proc/cmdline and
+# verify correct behavior
+# - load an atomic replace livepatch and verify that only the second is active
+# - remove the first livepatch and verify that the atomic replace livepatch
+# is still active
+# - remove the atomic replace livepatch and verify that none are active
+
+echo -n "TEST: atomic replace livepatch ... "
+dmesg -C
+
+load_lp $MOD_LIVEPATCH
+
+grep 'live patched' /proc/cmdline > /dev/kmsg
+grep 'live patched' /proc/meminfo > /dev/kmsg
+
+load_lp $MOD_REPLACE replace=1
+
+grep 'live patched' /proc/cmdline > /dev/kmsg
+grep 'live patched' /proc/meminfo > /dev/kmsg
+
+unload_lp $MOD_LIVEPATCH
+
+grep 'live patched' /proc/cmdline > /dev/kmsg
+grep 'live patched' /proc/meminfo > /dev/kmsg
+
+disable_lp $MOD_REPLACE
+unload_lp $MOD_REPLACE
+
+grep 'live patched' /proc/cmdline > /dev/kmsg
+grep 'live patched' /proc/meminfo > /dev/kmsg
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+livepatch: '$MOD_LIVEPATCH': patching complete
+$MOD_LIVEPATCH: this has been live patched
+% modprobe $MOD_REPLACE replace=1
+livepatch: enabling patch '$MOD_REPLACE'
+livepatch: '$MOD_REPLACE': initializing patching transition
+livepatch: '$MOD_REPLACE': starting patching transition
+livepatch: '$MOD_REPLACE': completing patching transition
+livepatch: '$MOD_REPLACE': patching complete
+$MOD_REPLACE: this has been live patched
+% rmmod $MOD_LIVEPATCH
+$MOD_REPLACE: this has been live patched
+% echo 0 > /sys/kernel/livepatch/$MOD_REPLACE/enabled
+livepatch: '$MOD_REPLACE': initializing unpatching transition
+livepatch: '$MOD_REPLACE': starting unpatching transition
+livepatch: '$MOD_REPLACE': completing unpatching transition
+livepatch: '$MOD_REPLACE': unpatching complete
+% rmmod $MOD_REPLACE"
+
+
+exit 0
diff --git a/tools/testing/selftests/livepatch/test-shadow-vars.sh b/tools/testing/selftests/livepatch/test-shadow-vars.sh
new file mode 100755
index 000000000000..04a37831e204
--- /dev/null
+++ b/tools/testing/selftests/livepatch/test-shadow-vars.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2018 Joe Lawrence <joe.lawrence@redhat.com>
+
+. $(dirname $0)/functions.sh
+
+MOD_TEST=test_klp_shadow_vars
+
+set_dynamic_debug
+
+
+# TEST: basic shadow variable API
+# - load a module that exercises the shadow variable API
+
+echo -n "TEST: basic shadow variable API ... "
+dmesg -C
+
+load_mod $MOD_TEST
+unload_mod $MOD_TEST
+
+check_result "% modprobe $MOD_TEST
+$MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1234) = PTR0
+$MOD_TEST: got expected NULL result
+$MOD_TEST: shadow_ctor: PTR6 -> PTR1
+$MOD_TEST: klp_shadow_alloc(obj=PTR5, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR1 = PTR6
+$MOD_TEST: shadow_ctor: PTR8 -> PTR2
+$MOD_TEST: klp_shadow_alloc(obj=PTR9, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR2 = PTR8
+$MOD_TEST: shadow_ctor: PTR10 -> PTR3
+$MOD_TEST: klp_shadow_alloc(obj=PTR5, id=0x1235, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR3 = PTR10
+$MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1234) = PTR6
+$MOD_TEST: got expected PTR6 -> PTR1 result
+$MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1234) = PTR8
+$MOD_TEST: got expected PTR8 -> PTR2 result
+$MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1235) = PTR10
+$MOD_TEST: got expected PTR10 -> PTR3 result
+$MOD_TEST: shadow_ctor: PTR11 -> PTR4
+$MOD_TEST: klp_shadow_get_or_alloc(obj=PTR12, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR4 = PTR11
+$MOD_TEST: klp_shadow_get_or_alloc(obj=PTR12, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR4 = PTR11
+$MOD_TEST: got expected PTR11 -> PTR4 result
+$MOD_TEST: shadow_dtor(obj=PTR5, shadow_data=PTR6)
+$MOD_TEST: klp_shadow_free(obj=PTR5, id=0x1234, dtor=PTR13)
+$MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1234) = PTR0
+$MOD_TEST: got expected NULL result
+$MOD_TEST: shadow_dtor(obj=PTR9, shadow_data=PTR8)
+$MOD_TEST: klp_shadow_free(obj=PTR9, id=0x1234, dtor=PTR13)
+$MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1234) = PTR0
+$MOD_TEST: got expected NULL result
+$MOD_TEST: shadow_dtor(obj=PTR12, shadow_data=PTR11)
+$MOD_TEST: klp_shadow_free(obj=PTR12, id=0x1234, dtor=PTR13)
+$MOD_TEST: klp_shadow_get(obj=PTR12, id=0x1234) = PTR0
+$MOD_TEST: got expected NULL result
+$MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1235) = PTR10
+$MOD_TEST: got expected PTR10 -> PTR3 result
+$MOD_TEST: shadow_dtor(obj=PTR5, shadow_data=PTR10)
+$MOD_TEST: klp_shadow_free_all(id=0x1235, dtor=PTR13)
+$MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1234) = PTR0
+$MOD_TEST: shadow_get() got expected NULL result
+% rmmod test_klp_shadow_vars"
+
+exit 0
diff --git a/tools/testing/selftests/media_tests/media_dev_allocator.sh b/tools/testing/selftests/media_tests/media_dev_allocator.sh
new file mode 100755
index 000000000000..ffe00c59a483
--- /dev/null
+++ b/tools/testing/selftests/media_tests/media_dev_allocator.sh
@@ -0,0 +1,85 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Media Device Allocator API test script
+# Copyright (c) 2019 Shuah Khan <shuah@kernel.org>
+
+echo "Media Device Allocator testing: unbind and bind"
+echo "media driver $1 audio driver $2"
+
+MDRIVER=/sys/bus/usb/drivers/$1
+cd $MDRIVER
+MDEV=$(ls -d *\-*)
+
+ADRIVER=/sys/bus/usb/drivers/$2
+cd $ADRIVER
+ADEV=$(ls -d *\-*.1)
+
+echo "=================================="
+echo "Test unbind both devices - start"
+echo "Running unbind of $MDEV from $MDRIVER"
+echo $MDEV > $MDRIVER/unbind;
+
+echo "Media device should still be present!"
+ls -l /dev/media*
+
+echo "sound driver is at: $ADRIVER"
+echo "Device is: $ADEV"
+
+echo "Running unbind of $ADEV from $ADRIVER"
+echo $ADEV > $ADRIVER/unbind;
+
+echo "Media device should have been deleted!"
+ls -l /dev/media*
+echo "Test unbind both devices - end"
+
+echo "=================================="
+
+echo "Test bind both devices - start"
+echo "Running bind of $MDEV from $MDRIVER"
+echo $MDEV > $MDRIVER/bind;
+
+echo "Media device should be present!"
+ls -l /dev/media*
+
+echo "Running bind of $ADEV from $ADRIVER"
+echo $ADEV > $ADRIVER/bind;
+
+echo "Media device should be there!"
+ls -l /dev/media*
+
+echo "Test bind both devices - end"
+
+echo "=================================="
+
+echo "Test unbind $MDEV - bind $MDEV - unbind $ADEV - bind $ADEV start"
+
+echo "Running unbind of $MDEV from $MDRIVER"
+echo $MDEV > $MDRIVER/unbind;
+
+echo "Media device should be there!"
+ls -l /dev/media*
+
+sleep 1
+
+echo "Running bind of $MDEV from $MDRIVER"
+echo $MDEV > $MDRIVER/bind;
+
+echo "Media device should be there!"
+ls -l /dev/media*
+
+echo "Running unbind of $ADEV from $ADRIVER"
+echo $ADEV > $ADRIVER/unbind;
+
+echo "Media device should be there!"
+ls -l /dev/media*
+
+sleep 1
+
+echo "Running bind of $ADEV from $ADRIVER"
+echo $ADEV > $ADRIVER/bind;
+
+echo "Media device should be there!"
+ls -l /dev/media*
+
+echo "Test unbind $MDEV - bind $MDEV - unbind $ADEV - bind $ADEV end"
+echo "=================================="
diff --git a/tools/testing/selftests/membarrier/Makefile b/tools/testing/selftests/membarrier/Makefile
index 02845532b059..97e3bdf3d1e9 100644
--- a/tools/testing/selftests/membarrier/Makefile
+++ b/tools/testing/selftests/membarrier/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS += -g -I../../../../usr/include/
TEST_GEN_PROGS := membarrier_test
diff --git a/tools/testing/selftests/membarrier/membarrier_test.c b/tools/testing/selftests/membarrier/membarrier_test.c
index 6793f8ecc8e7..70b4ddbf126b 100644
--- a/tools/testing/selftests/membarrier/membarrier_test.c
+++ b/tools/testing/selftests/membarrier/membarrier_test.c
@@ -304,6 +304,7 @@ static int test_membarrier_query(void)
int main(int argc, char **argv)
{
ksft_print_header();
+ ksft_set_plan(13);
test_membarrier_query();
test_membarrier();
diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c
index 10baa1652fc2..c67d32eeb668 100644
--- a/tools/testing/selftests/memfd/memfd_test.c
+++ b/tools/testing/selftests/memfd/memfd_test.c
@@ -54,6 +54,22 @@ static int mfd_assert_new(const char *name, loff_t sz, unsigned int flags)
return fd;
}
+static int mfd_assert_reopen_fd(int fd_in)
+{
+ int r, fd;
+ char path[100];
+
+ sprintf(path, "/proc/self/fd/%d", fd_in);
+
+ fd = open(path, O_RDWR);
+ if (fd < 0) {
+ printf("re-open of existing fd %d failed\n", fd_in);
+ abort();
+ }
+
+ return fd;
+}
+
static void mfd_fail_new(const char *name, unsigned int flags)
{
int r;
@@ -255,6 +271,25 @@ static void mfd_assert_read(int fd)
munmap(p, mfd_def_size);
}
+/* Test that PROT_READ + MAP_SHARED mappings work. */
+static void mfd_assert_read_shared(int fd)
+{
+ void *p;
+
+ /* verify PROT_READ and MAP_SHARED *is* allowed */
+ p = mmap(NULL,
+ mfd_def_size,
+ PROT_READ,
+ MAP_SHARED,
+ fd,
+ 0);
+ if (p == MAP_FAILED) {
+ printf("mmap() failed: %m\n");
+ abort();
+ }
+ munmap(p, mfd_def_size);
+}
+
static void mfd_assert_write(int fd)
{
ssize_t l;
@@ -693,6 +728,44 @@ static void test_seal_write(void)
}
/*
+ * Test SEAL_FUTURE_WRITE
+ * Test whether SEAL_FUTURE_WRITE actually prevents modifications.
+ */
+static void test_seal_future_write(void)
+{
+ int fd, fd2;
+ void *p;
+
+ printf("%s SEAL-FUTURE-WRITE\n", memfd_str);
+
+ fd = mfd_assert_new("kern_memfd_seal_future_write",
+ mfd_def_size,
+ MFD_CLOEXEC | MFD_ALLOW_SEALING);
+
+ p = mfd_assert_mmap_shared(fd);
+
+ mfd_assert_has_seals(fd, 0);
+
+ mfd_assert_add_seals(fd, F_SEAL_FUTURE_WRITE);
+ mfd_assert_has_seals(fd, F_SEAL_FUTURE_WRITE);
+
+ /* read should pass, writes should fail */
+ mfd_assert_read(fd);
+ mfd_assert_read_shared(fd);
+ mfd_fail_write(fd);
+
+ fd2 = mfd_assert_reopen_fd(fd);
+ /* read should pass, writes should still fail */
+ mfd_assert_read(fd2);
+ mfd_assert_read_shared(fd2);
+ mfd_fail_write(fd2);
+
+ munmap(p, mfd_def_size);
+ close(fd2);
+ close(fd);
+}
+
+/*
* Test SEAL_SHRINK
* Test whether SEAL_SHRINK actually prevents shrinking
*/
@@ -945,6 +1018,7 @@ int main(int argc, char **argv)
test_basic();
test_seal_write();
+ test_seal_future_write();
test_seal_shrink();
test_seal_grow();
test_seal_resize();
diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore
index 6f81130605d7..4ce0bc1612f5 100644
--- a/tools/testing/selftests/net/.gitignore
+++ b/tools/testing/selftests/net/.gitignore
@@ -17,3 +17,7 @@ tcp_inq
tls
txring_overwrite
ip_defrag
+so_txtime
+flowlabel
+flowlabel_mgr
+tcp_fastopen_backup_key
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 1e6d14d2825c..1b24e36b4047 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -5,16 +5,19 @@ CFLAGS = -Wall -Wl,--no-as-needed -O2 -g
CFLAGS += -I../../../../usr/include/
TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh netdevice.sh \
- rtnetlink.sh xfrm_policy.sh
+ rtnetlink.sh xfrm_policy.sh test_blackhole_dev.sh
TEST_PROGS += fib_tests.sh fib-onlink-tests.sh pmtu.sh udpgso.sh ip_defrag.sh
TEST_PROGS += udpgso_bench.sh fib_rule_tests.sh msg_zerocopy.sh psock_snd.sh
TEST_PROGS += udpgro_bench.sh udpgro.sh test_vxlan_under_vrf.sh reuseport_addr_any.sh
-TEST_PROGS += test_vxlan_fdb_changelink.sh
+TEST_PROGS += test_vxlan_fdb_changelink.sh so_txtime.sh ipv6_flowlabel.sh
+TEST_PROGS += tcp_fastopen_backup_key.sh
TEST_PROGS_EXTENDED := in_netns.sh
TEST_GEN_FILES = socket
TEST_GEN_FILES += psock_fanout psock_tpacket msg_zerocopy reuseport_addr_any
TEST_GEN_FILES += tcp_mmap tcp_inq psock_snd txring_overwrite
TEST_GEN_FILES += udpgso udpgso_bench_tx udpgso_bench_rx ip_defrag
+TEST_GEN_FILES += so_txtime ipv6_flowlabel ipv6_flowlabel_mgr
+TEST_GEN_FILES += tcp_fastopen_backup_key
TEST_GEN_PROGS = reuseport_bpf reuseport_bpf_cpu reuseport_bpf_numa
TEST_GEN_PROGS += reuseport_dualstack reuseaddr_conflict tls
diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config
index 5821bdd98d20..b8503a8119b0 100644
--- a/tools/testing/selftests/net/config
+++ b/tools/testing/selftests/net/config
@@ -7,9 +7,7 @@ CONFIG_NET_L3_MASTER_DEV=y
CONFIG_IPV6=y
CONFIG_IPV6_MULTIPLE_TABLES=y
CONFIG_VETH=y
-CONFIG_INET_XFRM_MODE_TUNNEL=y
CONFIG_NET_IPVTI=y
-CONFIG_INET6_XFRM_MODE_TUNNEL=y
CONFIG_IPV6_VTI=y
CONFIG_DUMMY=y
CONFIG_BRIDGE=y
@@ -17,8 +15,7 @@ CONFIG_VLAN_8021Q=y
CONFIG_NETFILTER=y
CONFIG_NETFILTER_ADVANCED=y
CONFIG_NF_CONNTRACK=m
-CONFIG_NF_NAT_IPV6=m
-CONFIG_NF_NAT_IPV4=m
+CONFIG_NF_NAT=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP6_NF_NAT=m
@@ -28,3 +25,7 @@ CONFIG_NF_TABLES_IPV6=y
CONFIG_NF_TABLES_IPV4=y
CONFIG_NFT_CHAIN_NAT_IPV6=m
CONFIG_NFT_CHAIN_NAT_IPV4=m
+CONFIG_NET_SCH_FQ=m
+CONFIG_NET_SCH_ETF=m
+CONFIG_TEST_BLACKHOLE_DEV=m
+CONFIG_KALLSYMS=y
diff --git a/tools/testing/selftests/net/fib-onlink-tests.sh b/tools/testing/selftests/net/fib-onlink-tests.sh
index 864f865eee55..c287b90b8af8 100755
--- a/tools/testing/selftests/net/fib-onlink-tests.sh
+++ b/tools/testing/selftests/net/fib-onlink-tests.sh
@@ -4,6 +4,7 @@
# IPv4 and IPv6 onlink tests
PAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no}
+VERBOSE=0
# Network interfaces
# - odd in current namespace; even in peer ns
@@ -91,10 +92,10 @@ log_test()
if [ ${rc} -eq ${expected} ]; then
nsuccess=$((nsuccess+1))
- printf "\n TEST: %-50s [ OK ]\n" "${msg}"
+ printf " TEST: %-50s [ OK ]\n" "${msg}"
else
nfail=$((nfail+1))
- printf "\n TEST: %-50s [FAIL]\n" "${msg}"
+ printf " TEST: %-50s [FAIL]\n" "${msg}"
if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
echo
echo "hit enter to continue, 'q' to quit"
@@ -121,9 +122,23 @@ log_subsection()
run_cmd()
{
- echo
- echo "COMMAND: $*"
- eval $*
+ local cmd="$*"
+ local out
+ local rc
+
+ if [ "$VERBOSE" = "1" ]; then
+ printf " COMMAND: $cmd\n"
+ fi
+
+ out=$(eval $cmd 2>&1)
+ rc=$?
+ if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+ echo " $out"
+ fi
+
+ [ "$VERBOSE" = "1" ] && echo
+
+ return $rc
}
get_linklocal()
@@ -451,11 +466,34 @@ run_onlink_tests()
}
################################################################################
+# usage
+
+usage()
+{
+ cat <<EOF
+usage: ${0##*/} OPTS
+
+ -p Pause on fail
+ -v verbose mode (show commands and output)
+EOF
+}
+
+################################################################################
# main
nsuccess=0
nfail=0
+while getopts :t:pPhv o
+do
+ case $o in
+ p) PAUSE_ON_FAIL=yes;;
+ v) VERBOSE=$(($VERBOSE + 1));;
+ h) usage; exit 0;;
+ *) usage; exit 1;;
+ esac
+done
+
cleanup
setup
run_onlink_tests
diff --git a/tools/testing/selftests/net/fib_nexthop_multiprefix.sh b/tools/testing/selftests/net/fib_nexthop_multiprefix.sh
new file mode 100755
index 000000000000..e6828732843e
--- /dev/null
+++ b/tools/testing/selftests/net/fib_nexthop_multiprefix.sh
@@ -0,0 +1,290 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Validate cached routes in fib{6}_nh that is used by multiple prefixes.
+# Validate a different # exception is generated in h0 for each remote host.
+#
+# h1
+# /
+# h0 - r1 - h2
+# \
+# h3
+#
+# routing in h0 to hN is done with nexthop objects.
+
+PAUSE_ON_FAIL=no
+VERBOSE=0
+
+################################################################################
+# helpers
+
+log_test()
+{
+ local rc=$1
+ local expected=$2
+ local msg="$3"
+
+ if [ ${rc} -eq ${expected} ]; then
+ printf "TEST: %-60s [ OK ]\n" "${msg}"
+ nsuccess=$((nsuccess+1))
+ else
+ ret=1
+ nfail=$((nfail+1))
+ printf "TEST: %-60s [FAIL]\n" "${msg}"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+ fi
+
+ [ "$VERBOSE" = "1" ] && echo
+}
+
+run_cmd()
+{
+ local cmd="$*"
+ local out
+ local rc
+
+ if [ "$VERBOSE" = "1" ]; then
+ echo "COMMAND: $cmd"
+ fi
+
+ out=$(eval $cmd 2>&1)
+ rc=$?
+ if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+ echo "$out"
+ fi
+
+ [ "$VERBOSE" = "1" ] && echo
+
+ return $rc
+}
+
+################################################################################
+# config
+
+create_ns()
+{
+ local ns=${1}
+
+ ip netns del ${ns} 2>/dev/null
+
+ ip netns add ${ns}
+ ip -netns ${ns} addr add 127.0.0.1/8 dev lo
+ ip -netns ${ns} link set lo up
+
+ ip netns exec ${ns} sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1
+ case ${ns} in
+ h*)
+ ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=0
+ ;;
+ r*)
+ ip netns exec $ns sysctl -q -w net.ipv4.ip_forward=1
+ ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=1
+ ;;
+ esac
+}
+
+setup()
+{
+ local ns
+ local i
+
+ #set -e
+
+ for ns in h0 r1 h1 h2 h3
+ do
+ create_ns ${ns}
+ done
+
+ #
+ # create interconnects
+ #
+
+ for i in 0 1 2 3
+ do
+ ip -netns h${i} li add eth0 type veth peer name r1h${i}
+ ip -netns h${i} li set eth0 up
+ ip -netns h${i} li set r1h${i} netns r1 name eth${i} up
+
+ ip -netns h${i} addr add dev eth0 172.16.10${i}.1/24
+ ip -netns h${i} -6 addr add dev eth0 2001:db8:10${i}::1/64
+ ip -netns r1 addr add dev eth${i} 172.16.10${i}.254/24
+ ip -netns r1 -6 addr add dev eth${i} 2001:db8:10${i}::64/64
+ done
+
+ ip -netns h0 nexthop add id 4 via 172.16.100.254 dev eth0
+ ip -netns h0 nexthop add id 6 via 2001:db8:100::64 dev eth0
+
+ # routing from h0 to h1-h3 and back
+ for i in 1 2 3
+ do
+ ip -netns h0 ro add 172.16.10${i}.0/24 nhid 4
+ ip -netns h${i} ro add 172.16.100.0/24 via 172.16.10${i}.254
+
+ ip -netns h0 -6 ro add 2001:db8:10${i}::/64 nhid 6
+ ip -netns h${i} -6 ro add 2001:db8:100::/64 via 2001:db8:10${i}::64
+ done
+
+ if [ "$VERBOSE" = "1" ]; then
+ echo
+ echo "host 1 config"
+ ip -netns h0 li sh
+ ip -netns h0 ro sh
+ ip -netns h0 -6 ro sh
+ fi
+
+ #set +e
+}
+
+cleanup()
+{
+ for n in h1 r1 h2 h3 h4
+ do
+ ip netns del ${n} 2>/dev/null
+ done
+}
+
+change_mtu()
+{
+ local hostid=$1
+ local mtu=$2
+
+ run_cmd ip -netns h${hostid} li set eth0 mtu ${mtu}
+ run_cmd ip -netns r1 li set eth${hostid} mtu ${mtu}
+}
+
+################################################################################
+# validate exceptions
+
+validate_v4_exception()
+{
+ local i=$1
+ local mtu=$2
+ local ping_sz=$3
+ local dst="172.16.10${i}.1"
+ local h0=172.16.100.1
+ local r1=172.16.100.254
+ local rc
+
+ if [ ${ping_sz} != "0" ]; then
+ run_cmd ip netns exec h0 ping -s ${ping_sz} -c5 -w5 ${dst}
+ fi
+
+ if [ "$VERBOSE" = "1" ]; then
+ echo "Route get"
+ ip -netns h0 ro get ${dst}
+ echo "Searching for:"
+ echo " cache .* mtu ${mtu}"
+ echo
+ fi
+
+ ip -netns h0 ro get ${dst} | \
+ grep -q "cache .* mtu ${mtu}"
+ rc=$?
+
+ log_test $rc 0 "IPv4: host 0 to host ${i}, mtu ${mtu}"
+}
+
+validate_v6_exception()
+{
+ local i=$1
+ local mtu=$2
+ local ping_sz=$3
+ local dst="2001:db8:10${i}::1"
+ local h0=2001:db8:100::1
+ local r1=2001:db8:100::64
+ local rc
+
+ if [ ${ping_sz} != "0" ]; then
+ run_cmd ip netns exec h0 ping6 -s ${ping_sz} -c5 -w5 ${dst}
+ fi
+
+ if [ "$VERBOSE" = "1" ]; then
+ echo "Route get"
+ ip -netns h0 -6 ro get ${dst}
+ echo "Searching for:"
+ echo " ${dst} from :: via ${r1} dev eth0 src ${h0} .* mtu ${mtu}"
+ echo
+ fi
+
+ ip -netns h0 -6 ro get ${dst} | \
+ grep -q "${dst} from :: via ${r1} dev eth0 src ${h0} .* mtu ${mtu}"
+ rc=$?
+
+ log_test $rc 0 "IPv6: host 0 to host ${i}, mtu ${mtu}"
+}
+
+################################################################################
+# main
+
+while getopts :pv o
+do
+ case $o in
+ p) PAUSE_ON_FAIL=yes;;
+ v) VERBOSE=1;;
+ esac
+done
+
+cleanup
+setup
+sleep 2
+
+cpus=$(cat /sys/devices/system/cpu/online)
+cpus="$(seq ${cpus/-/ })"
+ret=0
+for i in 1 2 3
+do
+ # generate a cached route per-cpu
+ for c in ${cpus}; do
+ run_cmd taskset -c ${c} ip netns exec h0 ping -c1 -w1 172.16.10${i}.1
+ [ $? -ne 0 ] && printf "\nERROR: ping to h${i} failed\n" && ret=1
+
+ run_cmd taskset -c ${c} ip netns exec h0 ping6 -c1 -w1 2001:db8:10${i}::1
+ [ $? -ne 0 ] && printf "\nERROR: ping6 to h${i} failed\n" && ret=1
+
+ [ $ret -ne 0 ] && break
+ done
+ [ $ret -ne 0 ] && break
+done
+
+if [ $ret -eq 0 ]; then
+ # generate different exceptions in h0 for h1, h2 and h3
+ change_mtu 1 1300
+ validate_v4_exception 1 1300 1350
+ validate_v6_exception 1 1300 1350
+ echo
+
+ change_mtu 2 1350
+ validate_v4_exception 2 1350 1400
+ validate_v6_exception 2 1350 1400
+ echo
+
+ change_mtu 3 1400
+ validate_v4_exception 3 1400 1450
+ validate_v6_exception 3 1400 1450
+ echo
+
+ validate_v4_exception 1 1300 0
+ validate_v6_exception 1 1300 0
+ echo
+
+ validate_v4_exception 2 1350 0
+ validate_v6_exception 2 1350 0
+ echo
+
+ validate_v4_exception 3 1400 0
+ validate_v6_exception 3 1400 0
+
+ # targeted deletes to trigger cleanup paths in kernel
+ ip -netns h0 ro del 172.16.102.0/24 nhid 4
+ ip -netns h0 -6 ro del 2001:db8:102::/64 nhid 6
+
+ ip -netns h0 nexthop del id 4
+ ip -netns h0 nexthop del id 6
+fi
+
+cleanup
diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
new file mode 100755
index 000000000000..c5c93d5fb3ad
--- /dev/null
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -0,0 +1,1026 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# ns: me | ns: peer | ns: remote
+# 2001:db8:91::1 | 2001:db8:91::2 |
+# 172.16.1.1 | 172.16.1.2 |
+# veth1 <---|---> veth2 |
+# | veth5 <--|--> veth6 172.16.101.1
+# veth3 <---|---> veth4 | 2001:db8:101::1
+# 172.16.2.1 | 172.16.2.2 |
+# 2001:db8:92::1 | 2001:db8:92::2 |
+#
+# This test is for checking IPv4 and IPv6 FIB behavior with nexthop
+# objects. Device reference counts and network namespace cleanup tested
+# by use of network namespace for peer.
+
+ret=0
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+# all tests in this script. Can be overridden with -t option
+IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime"
+IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime"
+
+ALL_TESTS="basic ${IPV4_TESTS} ${IPV6_TESTS}"
+TESTS="${ALL_TESTS}"
+VERBOSE=0
+PAUSE_ON_FAIL=no
+PAUSE=no
+
+nsid=100
+
+################################################################################
+# utilities
+
+log_test()
+{
+ local rc=$1
+ local expected=$2
+ local msg="$3"
+
+ if [ ${rc} -eq ${expected} ]; then
+ printf "TEST: %-60s [ OK ]\n" "${msg}"
+ nsuccess=$((nsuccess+1))
+ else
+ ret=1
+ nfail=$((nfail+1))
+ printf "TEST: %-60s [FAIL]\n" "${msg}"
+ if [ "$VERBOSE" = "1" ]; then
+ echo " rc=$rc, expected $expected"
+ fi
+
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+ fi
+
+ if [ "${PAUSE}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+
+ [ "$VERBOSE" = "1" ] && echo
+}
+
+run_cmd()
+{
+ local cmd="$1"
+ local out
+ local stderr="2>/dev/null"
+
+ if [ "$VERBOSE" = "1" ]; then
+ printf "COMMAND: $cmd\n"
+ stderr=
+ fi
+
+ out=$(eval $cmd $stderr)
+ rc=$?
+ if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+ echo " $out"
+ fi
+
+ return $rc
+}
+
+get_linklocal()
+{
+ local dev=$1
+ local ns
+ local addr
+
+ [ -n "$2" ] && ns="-netns $2"
+ addr=$(ip $ns -6 -br addr show dev ${dev} | \
+ awk '{
+ for (i = 3; i <= NF; ++i) {
+ if ($i ~ /^fe80/)
+ print $i
+ }
+ }'
+ )
+ addr=${addr/\/*}
+
+ [ -z "$addr" ] && return 1
+
+ echo $addr
+
+ return 0
+}
+
+create_ns()
+{
+ local n=${1}
+
+ ip netns del ${n} 2>/dev/null
+
+ set -e
+ ip netns add ${n}
+ ip netns set ${n} $((nsid++))
+ ip -netns ${n} addr add 127.0.0.1/8 dev lo
+ ip -netns ${n} link set lo up
+
+ ip netns exec ${n} sysctl -qw net.ipv4.ip_forward=1
+ ip netns exec ${n} sysctl -qw net.ipv4.fib_multipath_use_neigh=1
+ ip netns exec ${n} sysctl -qw net.ipv4.conf.default.ignore_routes_with_linkdown=1
+ ip netns exec ${n} sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1
+ ip netns exec ${n} sysctl -qw net.ipv6.conf.all.forwarding=1
+ ip netns exec ${n} sysctl -qw net.ipv6.conf.default.forwarding=1
+ ip netns exec ${n} sysctl -qw net.ipv6.conf.default.ignore_routes_with_linkdown=1
+ ip netns exec ${n} sysctl -qw net.ipv6.conf.all.accept_dad=0
+ ip netns exec ${n} sysctl -qw net.ipv6.conf.default.accept_dad=0
+
+ set +e
+}
+
+setup()
+{
+ cleanup
+
+ create_ns me
+ create_ns peer
+ create_ns remote
+
+ IP="ip -netns me"
+ set -e
+ $IP li add veth1 type veth peer name veth2
+ $IP li set veth1 up
+ $IP addr add 172.16.1.1/24 dev veth1
+ $IP -6 addr add 2001:db8:91::1/64 dev veth1
+
+ $IP li add veth3 type veth peer name veth4
+ $IP li set veth3 up
+ $IP addr add 172.16.2.1/24 dev veth3
+ $IP -6 addr add 2001:db8:92::1/64 dev veth3
+
+ $IP li set veth2 netns peer up
+ ip -netns peer addr add 172.16.1.2/24 dev veth2
+ ip -netns peer -6 addr add 2001:db8:91::2/64 dev veth2
+
+ $IP li set veth4 netns peer up
+ ip -netns peer addr add 172.16.2.2/24 dev veth4
+ ip -netns peer -6 addr add 2001:db8:92::2/64 dev veth4
+
+ ip -netns remote li add veth5 type veth peer name veth6
+ ip -netns remote li set veth5 up
+ ip -netns remote addr add dev veth5 172.16.101.1/24
+ ip -netns remote addr add dev veth5 2001:db8:101::1/64
+ ip -netns remote ro add 172.16.0.0/22 via 172.16.101.2
+ ip -netns remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2
+
+ ip -netns remote li set veth6 netns peer up
+ ip -netns peer addr add dev veth6 172.16.101.2/24
+ ip -netns peer addr add dev veth6 2001:db8:101::2/64
+ set +e
+}
+
+cleanup()
+{
+ local ns
+
+ for ns in me peer remote; do
+ ip netns del ${ns} 2>/dev/null
+ done
+}
+
+check_output()
+{
+ local out="$1"
+ local expected="$2"
+ local rc=0
+
+ [ "${out}" = "${expected}" ] && return 0
+
+ if [ -z "${out}" ]; then
+ if [ "$VERBOSE" = "1" ]; then
+ printf "\nNo entry found\n"
+ printf "Expected:\n"
+ printf " ${expected}\n"
+ fi
+ return 1
+ fi
+
+ out=$(echo ${out})
+ if [ "${out}" != "${expected}" ]; then
+ rc=1
+ if [ "${VERBOSE}" = "1" ]; then
+ printf " Unexpected entry. Have:\n"
+ printf " ${out}\n"
+ printf " Expected:\n"
+ printf " ${expected}\n\n"
+ fi
+ fi
+
+ return $rc
+}
+
+check_nexthop()
+{
+ local nharg="$1"
+ local expected="$2"
+ local out
+
+ out=$($IP nexthop ls ${nharg} 2>/dev/null)
+
+ check_output "${out}" "${expected}"
+}
+
+check_route()
+{
+ local pfx="$1"
+ local expected="$2"
+ local out
+
+ out=$($IP route ls match ${pfx} 2>/dev/null)
+
+ check_output "${out}" "${expected}"
+}
+
+check_route6()
+{
+ local pfx="$1"
+ local expected="$2"
+ local out
+
+ out=$($IP -6 route ls match ${pfx} 2>/dev/null)
+
+ check_output "${out}" "${expected}"
+}
+
+################################################################################
+# basic operations (add, delete, replace) on nexthops and nexthop groups
+#
+# IPv6
+
+ipv6_fcnal()
+{
+ local rc
+
+ echo
+ echo "IPv6"
+ echo "----------------------"
+
+ run_cmd "$IP nexthop add id 52 via 2001:db8:91::2 dev veth1"
+ rc=$?
+ log_test $rc 0 "Create nexthop with id, gw, dev"
+ if [ $rc -ne 0 ]; then
+ echo "Basic IPv6 create fails; can not continue"
+ return 1
+ fi
+
+ run_cmd "$IP nexthop get id 52"
+ log_test $? 0 "Get nexthop by id"
+ check_nexthop "id 52" "id 52 via 2001:db8:91::2 dev veth1"
+
+ run_cmd "$IP nexthop del id 52"
+ log_test $? 0 "Delete nexthop by id"
+ check_nexthop "id 52" ""
+
+ #
+ # gw, device spec
+ #
+ # gw validation, no device - fails since dev required
+ run_cmd "$IP nexthop add id 52 via 2001:db8:92::3"
+ log_test $? 2 "Create nexthop - gw only"
+
+ # gw is not reachable throught given dev
+ run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1"
+ log_test $? 2 "Create nexthop - invalid gw+dev combination"
+
+ # onlink arg overrides gw+dev lookup
+ run_cmd "$IP nexthop add id 53 via 2001:db8:3::3 dev veth1 onlink"
+ log_test $? 0 "Create nexthop - gw+dev and onlink"
+
+ # admin down should delete nexthops
+ set -e
+ run_cmd "$IP -6 nexthop add id 55 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 56 via 2001:db8:91::4 dev veth1"
+ run_cmd "$IP nexthop add id 57 via 2001:db8:91::5 dev veth1"
+ run_cmd "$IP li set dev veth1 down"
+ set +e
+ check_nexthop "dev veth1" ""
+ log_test $? 0 "Nexthops removed on admin down"
+}
+
+ipv6_grp_fcnal()
+{
+ local rc
+
+ echo
+ echo "IPv6 groups functional"
+ echo "----------------------"
+
+ # basic functionality: create a nexthop group, default weight
+ run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 101 group 61"
+ log_test $? 0 "Create nexthop group with single nexthop"
+
+ # get nexthop group
+ run_cmd "$IP nexthop get id 101"
+ log_test $? 0 "Get nexthop group by id"
+ check_nexthop "id 101" "id 101 group 61"
+
+ # delete nexthop group
+ run_cmd "$IP nexthop del id 101"
+ log_test $? 0 "Delete nexthop group by id"
+ check_nexthop "id 101" ""
+
+ $IP nexthop flush >/dev/null 2>&1
+ check_nexthop "id 101" ""
+
+ #
+ # create group with multiple nexthops - mix of gw and dev only
+ #
+ run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
+ run_cmd "$IP nexthop add id 65 dev veth1"
+ run_cmd "$IP nexthop add id 102 group 62/63/64/65"
+ log_test $? 0 "Nexthop group with multiple nexthops"
+ check_nexthop "id 102" "id 102 group 62/63/64/65"
+
+ # Delete nexthop in a group and group is updated
+ run_cmd "$IP nexthop del id 63"
+ check_nexthop "id 102" "id 102 group 62/64/65"
+ log_test $? 0 "Nexthop group updated when entry is deleted"
+
+ # create group with multiple weighted nexthops
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 103 group 62/63,2/64,3/65,4"
+ log_test $? 0 "Nexthop group with weighted nexthops"
+ check_nexthop "id 103" "id 103 group 62/63,2/64,3/65,4"
+
+ # Delete nexthop in a weighted group and group is updated
+ run_cmd "$IP nexthop del id 63"
+ check_nexthop "id 103" "id 103 group 62/64,3/65,4"
+ log_test $? 0 "Weighted nexthop group updated when entry is deleted"
+
+ # admin down - nexthop is removed from group
+ run_cmd "$IP li set dev veth1 down"
+ check_nexthop "dev veth1" ""
+ log_test $? 0 "Nexthops in groups removed on admin down"
+
+ # expect groups to have been deleted as well
+ check_nexthop "" ""
+
+ run_cmd "$IP li set dev veth1 up"
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ # group with nexthops using different devices
+ set -e
+ run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
+ run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 dev veth1"
+
+ run_cmd "$IP nexthop add id 72 via 2001:db8:92::2 dev veth3"
+ run_cmd "$IP nexthop add id 73 via 2001:db8:92::3 dev veth3"
+ run_cmd "$IP nexthop add id 74 via 2001:db8:92::4 dev veth3"
+ run_cmd "$IP nexthop add id 75 via 2001:db8:92::5 dev veth3"
+ set +e
+
+ # multiple groups with same nexthop
+ run_cmd "$IP nexthop add id 104 group 62"
+ run_cmd "$IP nexthop add id 105 group 62"
+ check_nexthop "group" "id 104 group 62 id 105 group 62"
+ log_test $? 0 "Multiple groups with same nexthop"
+
+ run_cmd "$IP nexthop flush groups"
+ [ $? -ne 0 ] && return 1
+
+ # on admin down of veth1, it should be removed from the group
+ run_cmd "$IP nexthop add id 105 group 62/63/72/73/64"
+ run_cmd "$IP li set veth1 down"
+ check_nexthop "id 105" "id 105 group 72/73"
+ log_test $? 0 "Nexthops in group removed on admin down - mixed group"
+
+ run_cmd "$IP nexthop add id 106 group 105/74"
+ log_test $? 2 "Nexthop group can not have a group as an entry"
+
+ # a group can have a blackhole entry only if it is the only
+ # nexthop in the group. Needed for atomic replace with an
+ # actual nexthop group
+ run_cmd "$IP -6 nexthop add id 31 blackhole"
+ run_cmd "$IP nexthop add id 107 group 31"
+ log_test $? 0 "Nexthop group with a blackhole entry"
+
+ run_cmd "$IP nexthop add id 108 group 31/24"
+ log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
+}
+
+ipv6_fcnal_runtime()
+{
+ local rc
+
+ echo
+ echo "IPv6 functional runtime"
+ echo "-----------------------"
+
+ sleep 5
+
+ #
+ # IPv6 - the basics
+ #
+ run_cmd "$IP nexthop add id 81 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
+ log_test $? 0 "Route add"
+
+ run_cmd "$IP ro delete 2001:db8:101::1/128 nhid 81"
+ log_test $? 0 "Route delete"
+
+ run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ log_test $? 0 "Ping with nexthop"
+
+ run_cmd "$IP nexthop add id 82 via 2001:db8:92::2 dev veth3"
+ run_cmd "$IP nexthop add id 122 group 81/82"
+ run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ log_test $? 0 "Ping - multipath"
+
+ #
+ # IPv6 with blackhole nexthops
+ #
+ run_cmd "$IP -6 nexthop add id 83 blackhole"
+ run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 83"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ log_test $? 2 "Ping - blackhole"
+
+ run_cmd "$IP nexthop replace id 83 via 2001:db8:91::2 dev veth1"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ log_test $? 0 "Ping - blackhole replaced with gateway"
+
+ run_cmd "$IP -6 nexthop replace id 83 blackhole"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ log_test $? 2 "Ping - gateway replaced by blackhole"
+
+ run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ if [ $? -eq 0 ]; then
+ run_cmd "$IP nexthop replace id 122 group 83"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ log_test $? 2 "Ping - group with blackhole"
+
+ run_cmd "$IP nexthop replace id 122 group 81/82"
+ run_cmd "ip netns exec me ping -c1 -w1 2001:db8:101::1"
+ log_test $? 0 "Ping - group blackhole replaced with gateways"
+ else
+ log_test 2 0 "Ping - multipath failed"
+ fi
+
+ #
+ # device only and gw + dev only mix
+ #
+ run_cmd "$IP -6 nexthop add id 85 dev veth1"
+ run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 85"
+ log_test $? 0 "IPv6 route with device only nexthop"
+ check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1"
+
+ run_cmd "$IP nexthop add id 123 group 81/85"
+ run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 123"
+ log_test $? 0 "IPv6 multipath route with nexthop mix - dev only + gw"
+ check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 nexthop via 2001:db8:91::2 dev veth1 nexthop dev veth1"
+
+ #
+ # IPv6 route with v4 nexthop - not allowed
+ #
+ run_cmd "$IP ro delete 2001:db8:101::1/128"
+ run_cmd "$IP nexthop add id 84 via 172.16.1.1 dev veth1"
+ run_cmd "$IP ro add 2001:db8:101::1/128 nhid 84"
+ log_test $? 2 "IPv6 route can not have a v4 gateway"
+
+ run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 81"
+ run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
+ log_test $? 2 "Nexthop replace - v6 route, v4 nexthop"
+
+ run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
+ run_cmd "$IP nexthop replace id 81 via 172.16.1.1 dev veth1"
+ log_test $? 2 "Nexthop replace of group entry - v6 route, v4 nexthop"
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ #
+ # weird IPv6 cases
+ #
+ run_cmd "$IP nexthop add id 86 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
+
+ # TO-DO:
+ # existing route with old nexthop; append route with new nexthop
+ # existing route with old nexthop; replace route with new
+ # existing route with new nexthop; replace route with old
+ # route with src address and using nexthop - not allowed
+}
+
+ipv4_fcnal()
+{
+ local rc
+
+ echo
+ echo "IPv4 functional"
+ echo "----------------------"
+
+ #
+ # basic IPv4 ops - add, get, delete
+ #
+ run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
+ rc=$?
+ log_test $rc 0 "Create nexthop with id, gw, dev"
+ if [ $rc -ne 0 ]; then
+ echo "Basic IPv4 create fails; can not continue"
+ return 1
+ fi
+
+ run_cmd "$IP nexthop get id 12"
+ log_test $? 0 "Get nexthop by id"
+ check_nexthop "id 12" "id 12 via 172.16.1.2 src 172.16.1.1 dev veth1 scope link"
+
+ run_cmd "$IP nexthop del id 12"
+ log_test $? 0 "Delete nexthop by id"
+ check_nexthop "id 52" ""
+
+ #
+ # gw, device spec
+ #
+ # gw validation, no device - fails since dev is required
+ run_cmd "$IP nexthop add id 12 via 172.16.2.3"
+ log_test $? 2 "Create nexthop - gw only"
+
+ # gw not reachable through given dev
+ run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1"
+ log_test $? 2 "Create nexthop - invalid gw+dev combination"
+
+ # onlink flag overrides gw+dev lookup
+ run_cmd "$IP nexthop add id 13 via 172.16.3.2 dev veth1 onlink"
+ log_test $? 0 "Create nexthop - gw+dev and onlink"
+
+ # admin down should delete nexthops
+ set -e
+ run_cmd "$IP nexthop add id 15 via 172.16.1.3 dev veth1"
+ run_cmd "$IP nexthop add id 16 via 172.16.1.4 dev veth1"
+ run_cmd "$IP nexthop add id 17 via 172.16.1.5 dev veth1"
+ run_cmd "$IP li set dev veth1 down"
+ set +e
+ check_nexthop "dev veth1" ""
+ log_test $? 0 "Nexthops removed on admin down"
+}
+
+ipv4_grp_fcnal()
+{
+ local rc
+
+ echo
+ echo "IPv4 groups functional"
+ echo "----------------------"
+
+ # basic functionality: create a nexthop group, default weight
+ run_cmd "$IP nexthop add id 11 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 101 group 11"
+ log_test $? 0 "Create nexthop group with single nexthop"
+
+ # get nexthop group
+ run_cmd "$IP nexthop get id 101"
+ log_test $? 0 "Get nexthop group by id"
+ check_nexthop "id 101" "id 101 group 11"
+
+ # delete nexthop group
+ run_cmd "$IP nexthop del id 101"
+ log_test $? 0 "Delete nexthop group by id"
+ check_nexthop "id 101" ""
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ #
+ # create group with multiple nexthops
+ run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
+ run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
+ run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
+ run_cmd "$IP nexthop add id 102 group 12/13/14/15"
+ log_test $? 0 "Nexthop group with multiple nexthops"
+ check_nexthop "id 102" "id 102 group 12/13/14/15"
+
+ # Delete nexthop in a group and group is updated
+ run_cmd "$IP nexthop del id 13"
+ check_nexthop "id 102" "id 102 group 12/14/15"
+ log_test $? 0 "Nexthop group updated when entry is deleted"
+
+ # create group with multiple weighted nexthops
+ run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
+ run_cmd "$IP nexthop add id 103 group 12/13,2/14,3/15,4"
+ log_test $? 0 "Nexthop group with weighted nexthops"
+ check_nexthop "id 103" "id 103 group 12/13,2/14,3/15,4"
+
+ # Delete nexthop in a weighted group and group is updated
+ run_cmd "$IP nexthop del id 13"
+ check_nexthop "id 103" "id 103 group 12/14,3/15,4"
+ log_test $? 0 "Weighted nexthop group updated when entry is deleted"
+
+ # admin down - nexthop is removed from group
+ run_cmd "$IP li set dev veth1 down"
+ check_nexthop "dev veth1" ""
+ log_test $? 0 "Nexthops in groups removed on admin down"
+
+ # expect groups to have been deleted as well
+ check_nexthop "" ""
+
+ run_cmd "$IP li set dev veth1 up"
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ # group with nexthops using different devices
+ set -e
+ run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
+ run_cmd "$IP nexthop add id 14 via 172.16.1.4 dev veth1"
+ run_cmd "$IP nexthop add id 15 via 172.16.1.5 dev veth1"
+
+ run_cmd "$IP nexthop add id 22 via 172.16.2.2 dev veth3"
+ run_cmd "$IP nexthop add id 23 via 172.16.2.3 dev veth3"
+ run_cmd "$IP nexthop add id 24 via 172.16.2.4 dev veth3"
+ run_cmd "$IP nexthop add id 25 via 172.16.2.5 dev veth3"
+ set +e
+
+ # multiple groups with same nexthop
+ run_cmd "$IP nexthop add id 104 group 12"
+ run_cmd "$IP nexthop add id 105 group 12"
+ check_nexthop "group" "id 104 group 12 id 105 group 12"
+ log_test $? 0 "Multiple groups with same nexthop"
+
+ run_cmd "$IP nexthop flush groups"
+ [ $? -ne 0 ] && return 1
+
+ # on admin down of veth1, it should be removed from the group
+ run_cmd "$IP nexthop add id 105 group 12/13/22/23/14"
+ run_cmd "$IP li set veth1 down"
+ check_nexthop "id 105" "id 105 group 22/23"
+ log_test $? 0 "Nexthops in group removed on admin down - mixed group"
+
+ run_cmd "$IP nexthop add id 106 group 105/24"
+ log_test $? 2 "Nexthop group can not have a group as an entry"
+
+ # a group can have a blackhole entry only if it is the only
+ # nexthop in the group. Needed for atomic replace with an
+ # actual nexthop group
+ run_cmd "$IP nexthop add id 31 blackhole"
+ run_cmd "$IP nexthop add id 107 group 31"
+ log_test $? 0 "Nexthop group with a blackhole entry"
+
+ run_cmd "$IP nexthop add id 108 group 31/24"
+ log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
+}
+
+ipv4_withv6_fcnal()
+{
+ local lladdr
+
+ set -e
+ lladdr=$(get_linklocal veth2 peer)
+ run_cmd "$IP nexthop add id 11 via ${lladdr} dev veth1"
+ set +e
+ run_cmd "$IP ro add 172.16.101.1/32 nhid 11"
+ log_test $? 0 "IPv6 nexthop with IPv4 route"
+ check_route "172.16.101.1" "172.16.101.1 nhid 11 via ${lladdr} dev veth1"
+
+ set -e
+ run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 101 group 11/12"
+ set +e
+ run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
+ log_test $? 0 "IPv6 nexthop with IPv4 route"
+
+ check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
+
+ run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
+ log_test $? 0 "IPv4 route with IPv6 gateway"
+ check_route "172.16.101.1" "172.16.101.1 via ${lladdr} dev veth1"
+
+ run_cmd "$IP ro replace 172.16.101.1/32 via inet6 2001:db8:50::1 dev veth1"
+ log_test $? 2 "IPv4 route with invalid IPv6 gateway"
+}
+
+ipv4_fcnal_runtime()
+{
+ local lladdr
+ local rc
+
+ echo
+ echo "IPv4 functional runtime"
+ echo "-----------------------"
+
+ run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1"
+ run_cmd "$IP ro add 172.16.101.1/32 nhid 21"
+ log_test $? 0 "Route add"
+ check_route "172.16.101.1" "172.16.101.1 nhid 21 via 172.16.1.2 dev veth1"
+
+ run_cmd "$IP ro delete 172.16.101.1/32 nhid 21"
+ log_test $? 0 "Route delete"
+
+ #
+ # scope mismatch
+ #
+ run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1"
+ run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
+ log_test $? 2 "Route add - scope conflict with nexthop"
+
+ run_cmd "$IP nexthop replace id 22 dev veth3"
+ run_cmd "$IP ro add 172.16.101.1/32 nhid 22 scope host"
+ run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
+ log_test $? 2 "Nexthop replace with invalid scope for existing route"
+
+ #
+ # add route with nexthop and check traffic
+ #
+ run_cmd "$IP nexthop replace id 21 via 172.16.1.2 dev veth1"
+ run_cmd "$IP ro replace 172.16.101.1/32 nhid 21"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "Basic ping"
+
+ run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
+ run_cmd "$IP nexthop add id 122 group 21/22"
+ run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "Ping - multipath"
+
+ #
+ # IPv4 with blackhole nexthops
+ #
+ run_cmd "$IP nexthop add id 23 blackhole"
+ run_cmd "$IP ro replace 172.16.101.1/32 nhid 23"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 2 "Ping - blackhole"
+
+ run_cmd "$IP nexthop replace id 23 via 172.16.1.2 dev veth1"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "Ping - blackhole replaced with gateway"
+
+ run_cmd "$IP nexthop replace id 23 blackhole"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 2 "Ping - gateway replaced by blackhole"
+
+ run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ if [ $? -eq 0 ]; then
+ run_cmd "$IP nexthop replace id 122 group 23"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 2 "Ping - group with blackhole"
+
+ run_cmd "$IP nexthop replace id 122 group 21/22"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "Ping - group blackhole replaced with gateways"
+ else
+ log_test 2 0 "Ping - multipath failed"
+ fi
+
+ #
+ # device only and gw + dev only mix
+ #
+ run_cmd "$IP nexthop add id 85 dev veth1"
+ run_cmd "$IP ro replace 172.16.101.1/32 nhid 85"
+ log_test $? 0 "IPv4 route with device only nexthop"
+ check_route "172.16.101.1" "172.16.101.1 nhid 85 dev veth1"
+
+ run_cmd "$IP nexthop add id 122 group 21/85"
+ run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
+ log_test $? 0 "IPv4 multipath route with nexthop mix - dev only + gw"
+ check_route "172.16.101.1" "172.16.101.1 nhid 85 nexthop via 172.16.1.2 dev veth1 nexthop dev veth1"
+
+ #
+ # IPv4 with IPv6
+ #
+ set -e
+ lladdr=$(get_linklocal veth2 peer)
+ run_cmd "$IP nexthop add id 24 via ${lladdr} dev veth1"
+ set +e
+ run_cmd "$IP ro replace 172.16.101.1/32 nhid 24"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "IPv6 nexthop with IPv4 route"
+
+ $IP neigh sh | grep -q "${lladdr} dev veth1"
+ if [ $? -eq 1 ]; then
+ echo " WARNING: Neigh entry missing for ${lladdr}"
+ $IP neigh sh | grep 'dev veth1'
+ fi
+
+ $IP neigh sh | grep -q "172.16.101.1 dev eth1"
+ if [ $? -eq 0 ]; then
+ echo " WARNING: Neigh entry exists for 172.16.101.1"
+ $IP neigh sh | grep 'dev veth1'
+ fi
+
+ set -e
+ run_cmd "$IP nexthop add id 25 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 101 group 24/25"
+ set +e
+ run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
+ log_test $? 0 "IPv4 route with mixed v4-v6 multipath route"
+
+ check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
+
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "IPv6 nexthop with IPv4 route"
+
+ run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "IPv4 route with IPv6 gateway"
+
+ $IP neigh sh | grep -q "${lladdr} dev veth1"
+ if [ $? -eq 1 ]; then
+ echo " WARNING: Neigh entry missing for ${lladdr}"
+ $IP neigh sh | grep 'dev veth1'
+ fi
+
+ $IP neigh sh | grep -q "172.16.101.1 dev eth1"
+ if [ $? -eq 0 ]; then
+ echo " WARNING: Neigh entry exists for 172.16.101.1"
+ $IP neigh sh | grep 'dev veth1'
+ fi
+
+ #
+ # MPLS as an example of LWT encap
+ #
+ run_cmd "$IP nexthop add id 51 encap mpls 101 via 172.16.1.2 dev veth1"
+ log_test $? 0 "IPv4 route with MPLS encap"
+ check_nexthop "id 51" "id 51 encap mpls 101 via 172.16.1.2 dev veth1 scope link"
+ log_test $? 0 "IPv4 route with MPLS encap - check"
+
+ run_cmd "$IP nexthop add id 52 encap mpls 102 via inet6 2001:db8:91::2 dev veth1"
+ log_test $? 0 "IPv4 route with MPLS encap and v6 gateway"
+ check_nexthop "id 52" "id 52 encap mpls 102 via 2001:db8:91::2 dev veth1 scope link"
+ log_test $? 0 "IPv4 route with MPLS encap, v6 gw - check"
+}
+
+basic()
+{
+ echo
+ echo "Basic functional tests"
+ echo "----------------------"
+ run_cmd "$IP nexthop ls"
+ log_test $? 0 "List with nothing defined"
+
+ run_cmd "$IP nexthop get id 1"
+ log_test $? 2 "Nexthop get on non-existent id"
+
+ # attempt to create nh without a device or gw - fails
+ run_cmd "$IP nexthop add id 1"
+ log_test $? 2 "Nexthop with no device or gateway"
+
+ # attempt to create nh with down device - fails
+ $IP li set veth1 down
+ run_cmd "$IP nexthop add id 1 dev veth1"
+ log_test $? 2 "Nexthop with down device"
+
+ # create nh with linkdown device - fails
+ $IP li set veth1 up
+ ip -netns peer li set veth2 down
+ run_cmd "$IP nexthop add id 1 dev veth1"
+ log_test $? 2 "Nexthop with device that is linkdown"
+ ip -netns peer li set veth2 up
+
+ # device only
+ run_cmd "$IP nexthop add id 1 dev veth1"
+ log_test $? 0 "Nexthop with device only"
+
+ # create nh with duplicate id
+ run_cmd "$IP nexthop add id 1 dev veth3"
+ log_test $? 2 "Nexthop with duplicate id"
+
+ # blackhole nexthop
+ run_cmd "$IP nexthop add id 2 blackhole"
+ log_test $? 0 "Blackhole nexthop"
+
+ # blackhole nexthop can not have other specs
+ run_cmd "$IP nexthop replace id 2 blackhole dev veth1"
+ log_test $? 2 "Blackhole nexthop with other attributes"
+
+ #
+ # groups
+ #
+
+ run_cmd "$IP nexthop add id 101 group 1"
+ log_test $? 0 "Create group"
+
+ run_cmd "$IP nexthop add id 102 group 2"
+ log_test $? 0 "Create group with blackhole nexthop"
+
+ # multipath group can not have a blackhole as 1 path
+ run_cmd "$IP nexthop add id 103 group 1/2"
+ log_test $? 2 "Create multipath group where 1 path is a blackhole"
+
+ # multipath group can not have a member replaced by a blackhole
+ run_cmd "$IP nexthop replace id 2 dev veth3"
+ run_cmd "$IP nexthop replace id 102 group 1/2"
+ run_cmd "$IP nexthop replace id 2 blackhole"
+ log_test $? 2 "Multipath group can not have a member replaced by blackhole"
+
+ # attempt to create group with non-existent nexthop
+ run_cmd "$IP nexthop add id 103 group 12"
+ log_test $? 2 "Create group with non-existent nexthop"
+
+ # attempt to create group with same nexthop
+ run_cmd "$IP nexthop add id 103 group 1/1"
+ log_test $? 2 "Create group with same nexthop multiple times"
+
+ # replace nexthop with a group - fails
+ run_cmd "$IP nexthop replace id 2 group 1"
+ log_test $? 2 "Replace nexthop with nexthop group"
+
+ # replace nexthop group with a nexthop - fails
+ run_cmd "$IP nexthop replace id 101 dev veth1"
+ log_test $? 2 "Replace nexthop group with nexthop"
+
+ # nexthop group with other attributes fail
+ run_cmd "$IP nexthop add id 104 group 1 dev veth1"
+ log_test $? 2 "Nexthop group and device"
+
+ run_cmd "$IP nexthop add id 104 group 1 blackhole"
+ log_test $? 2 "Nexthop group and blackhole"
+
+ $IP nexthop flush >/dev/null 2>&1
+}
+
+################################################################################
+# usage
+
+usage()
+{
+ cat <<EOF
+usage: ${0##*/} OPTS
+
+ -t <test> Test(s) to run (default: all)
+ (options: $ALL_TESTS)
+ -4 IPv4 tests only
+ -6 IPv6 tests only
+ -p Pause on fail
+ -P Pause after each test before cleanup
+ -v verbose mode (show commands and output)
+
+ Runtime test
+ -n num Number of nexthops to target
+ -N Use new style to install routes in DUT
+
+done
+EOF
+}
+
+################################################################################
+# main
+
+while getopts :t:pP46hv o
+do
+ case $o in
+ t) TESTS=$OPTARG;;
+ 4) TESTS=${IPV4_TESTS};;
+ 6) TESTS=${IPV6_TESTS};;
+ p) PAUSE_ON_FAIL=yes;;
+ P) PAUSE=yes;;
+ v) VERBOSE=$(($VERBOSE + 1));;
+ h) usage; exit 0;;
+ *) usage; exit 1;;
+ esac
+done
+
+# make sure we don't pause twice
+[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
+
+if [ "$(id -u)" -ne 0 ];then
+ echo "SKIP: Need root privileges"
+ exit $ksft_skip;
+fi
+
+if [ ! -x "$(command -v ip)" ]; then
+ echo "SKIP: Could not run test without ip tool"
+ exit $ksft_skip
+fi
+
+ip help 2>&1 | grep -q nexthop
+if [ $? -ne 0 ]; then
+ echo "SKIP: iproute2 too old, missing nexthop command"
+ exit $ksft_skip
+fi
+
+out=$(ip nexthop ls 2>&1 | grep -q "Operation not supported")
+if [ $? -eq 0 ]; then
+ echo "SKIP: kernel lacks nexthop support"
+ exit $ksft_skip
+fi
+
+for t in $TESTS
+do
+ case $t in
+ none) IP="ip -netns peer"; setup; exit 0;;
+ *) setup; $t; cleanup;;
+ esac
+done
+
+if [ "$TESTS" != "none" ]; then
+ printf "\nTests passed: %3d\n" ${nsuccess}
+ printf "Tests failed: %3d\n" ${nfail}
+fi
+
+exit $ret
diff --git a/tools/testing/selftests/net/fib_rule_tests.sh b/tools/testing/selftests/net/fib_rule_tests.sh
index d4cfb6a7a086..a93e6b690e06 100755
--- a/tools/testing/selftests/net/fib_rule_tests.sh
+++ b/tools/testing/selftests/net/fib_rule_tests.sh
@@ -15,6 +15,7 @@ GW_IP6=2001:db8:1::2
SRC_IP6=2001:db8:1::3
DEV_ADDR=192.51.100.1
+DEV_ADDR6=2001:db8:1::1
DEV=dummy0
log_test()
@@ -27,6 +28,7 @@ log_test()
nsuccess=$((nsuccess+1))
printf "\n TEST: %-50s [ OK ]\n" "${msg}"
else
+ ret=1
nfail=$((nfail+1))
printf "\n TEST: %-50s [FAIL]\n" "${msg}"
if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
@@ -54,8 +56,8 @@ setup()
$IP link add dummy0 type dummy
$IP link set dev dummy0 up
- $IP address add 198.51.100.1/24 dev dummy0
- $IP -6 address add 2001:db8:1::1/64 dev dummy0
+ $IP address add $DEV_ADDR/24 dev dummy0
+ $IP -6 address add $DEV_ADDR6/64 dev dummy0
set +e
}
@@ -147,8 +149,8 @@ fib_rule6_test()
fib_check_iproute_support "ipproto" "ipproto"
if [ $? -eq 0 ]; then
- match="ipproto icmp"
- fib_rule6_test_match_n_redirect "$match" "$match" "ipproto icmp match"
+ match="ipproto ipv6-icmp"
+ fib_rule6_test_match_n_redirect "$match" "$match" "ipproto ipv6-icmp match"
fi
}
@@ -185,8 +187,13 @@ fib_rule4_test()
match="oif $DEV"
fib_rule4_test_match_n_redirect "$match" "$match" "oif redirect to table"
+ # need enable forwarding and disable rp_filter temporarily as all the
+ # addresses are in the same subnet and egress device == ingress device.
+ ip netns exec testns sysctl -w net.ipv4.ip_forward=1
+ ip netns exec testns sysctl -w net.ipv4.conf.$DEV.rp_filter=0
match="from $SRC_IP iif $DEV"
fib_rule4_test_match_n_redirect "$match" "$match" "iif redirect to table"
+ ip netns exec testns sysctl -w net.ipv4.ip_forward=0
match="tos 0x10"
fib_rule4_test_match_n_redirect "$match" "$match" "tos redirect to table"
@@ -245,4 +252,9 @@ setup
run_fibrule_tests
cleanup
+if [ "$TESTS" != "none" ]; then
+ printf "\nTests passed: %3d\n" ${nsuccess}
+ printf "Tests failed: %3d\n" ${nfail}
+fi
+
exit $ret
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index 802b4af18729..9457aaeae092 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -9,7 +9,8 @@ ret=0
ksft_skip=4
# all tests in this script. Can be overridden with -t option
-TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics"
+TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw"
+
VERBOSE=0
PAUSE_ON_FAIL=no
PAUSE=no
@@ -48,6 +49,7 @@ setup()
{
set -e
ip netns add ns1
+ ip netns set ns1 auto
$IP link set dev lo up
ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1
ip netns exec ns1 sysctl -qw net.ipv6.conf.all.forwarding=1
@@ -388,6 +390,7 @@ fib_carrier_unicast_test()
set -e
$IP link set dev dummy0 carrier off
+ sleep 1
set +e
echo " Carrier down"
@@ -604,6 +607,39 @@ run_cmd()
return $rc
}
+check_expected()
+{
+ local out="$1"
+ local expected="$2"
+ local rc=0
+
+ [ "${out}" = "${expected}" ] && return 0
+
+ if [ -z "${out}" ]; then
+ if [ "$VERBOSE" = "1" ]; then
+ printf "\nNo route entry found\n"
+ printf "Expected:\n"
+ printf " ${expected}\n"
+ fi
+ return 1
+ fi
+
+ # tricky way to convert output to 1-line without ip's
+ # messy '\'; this drops all extra white space
+ out=$(echo ${out})
+ if [ "${out}" != "${expected}" ]; then
+ rc=1
+ if [ "${VERBOSE}" = "1" ]; then
+ printf " Unexpected route entry. Have:\n"
+ printf " ${out}\n"
+ printf " Expected:\n"
+ printf " ${expected}\n\n"
+ fi
+ fi
+
+ return $rc
+}
+
# add route for a prefix, flushing any existing routes first
# expected to be the first step of a test
add_route6()
@@ -651,31 +687,7 @@ check_route6()
pfx=$1
out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//')
- [ "${out}" = "${expected}" ] && return 0
-
- if [ -z "${out}" ]; then
- if [ "$VERBOSE" = "1" ]; then
- printf "\nNo route entry found\n"
- printf "Expected:\n"
- printf " ${expected}\n"
- fi
- return 1
- fi
-
- # tricky way to convert output to 1-line without ip's
- # messy '\'; this drops all extra white space
- out=$(echo ${out})
- if [ "${out}" != "${expected}" ]; then
- rc=1
- if [ "${VERBOSE}" = "1" ]; then
- printf " Unexpected route entry. Have:\n"
- printf " ${out}\n"
- printf " Expected:\n"
- printf " ${expected}\n\n"
- fi
- fi
-
- return $rc
+ check_expected "${out}" "${expected}"
}
route_cleanup()
@@ -697,6 +709,7 @@ route_setup()
set -e
ip netns add ns2
+ ip netns set ns2 auto
ip -netns ns2 link set dev lo up
ip netns exec ns2 sysctl -qw net.ipv4.ip_forward=1
ip netns exec ns2 sysctl -qw net.ipv6.conf.all.forwarding=1
@@ -724,7 +737,7 @@ route_setup()
ip -netns ns2 addr add 172.16.103.2/24 dev veth4
ip -netns ns2 addr add 172.16.104.1/24 dev dummy1
- set +ex
+ set +e
}
# assumption is that basic add of a single path route works
@@ -959,7 +972,8 @@ ipv6_addr_metric_test()
run_cmd "$IP li set dev dummy2 down"
rc=$?
if [ $rc -eq 0 ]; then
- check_route6 ""
+ out=$($IP -6 ro ls match 2001:db8:104::/64)
+ check_expected "${out}" ""
rc=$?
fi
log_test $rc 0 "Prefix route removed on link down"
@@ -1090,38 +1104,13 @@ check_route()
local pfx
local expected="$1"
local out
- local rc=0
set -- $expected
pfx=$1
[ "${pfx}" = "unreachable" ] && pfx=$2
out=$($IP ro ls match ${pfx})
- [ "${out}" = "${expected}" ] && return 0
-
- if [ -z "${out}" ]; then
- if [ "$VERBOSE" = "1" ]; then
- printf "\nNo route entry found\n"
- printf "Expected:\n"
- printf " ${expected}\n"
- fi
- return 1
- fi
-
- # tricky way to convert output to 1-line without ip's
- # messy '\'; this drops all extra white space
- out=$(echo ${out})
- if [ "${out}" != "${expected}" ]; then
- rc=1
- if [ "${VERBOSE}" = "1" ]; then
- printf " Unexpected route entry. Have:\n"
- printf " ${out}\n"
- printf " Expected:\n"
- printf " ${expected}\n\n"
- fi
- fi
-
- return $rc
+ check_expected "${out}" "${expected}"
}
# assumption is that basic add of a single path route works
@@ -1386,7 +1375,8 @@ ipv4_addr_metric_test()
run_cmd "$IP li set dev dummy2 down"
rc=$?
if [ $rc -eq 0 ]; then
- check_route ""
+ out=$($IP ro ls match 172.16.104.0/24)
+ check_expected "${out}" ""
rc=$?
fi
log_test $rc 0 "Prefix route removed on link down"
@@ -1441,6 +1431,70 @@ ipv4_route_metrics_test()
route_cleanup
}
+ipv4_route_v6_gw_test()
+{
+ local rc
+
+ echo
+ echo "IPv4 route with IPv6 gateway tests"
+
+ route_setup
+ sleep 2
+
+ #
+ # single path route
+ #
+ run_cmd "$IP ro add 172.16.104.0/24 via inet6 2001:db8:101::2"
+ rc=$?
+ log_test $rc 0 "Single path route with IPv6 gateway"
+ if [ $rc -eq 0 ]; then
+ check_route "172.16.104.0/24 via inet6 2001:db8:101::2 dev veth1"
+ fi
+
+ run_cmd "ip netns exec ns1 ping -w1 -c1 172.16.104.1"
+ log_test $rc 0 "Single path route with IPv6 gateway - ping"
+
+ run_cmd "$IP ro del 172.16.104.0/24 via inet6 2001:db8:101::2"
+ rc=$?
+ log_test $rc 0 "Single path route delete"
+ if [ $rc -eq 0 ]; then
+ check_route "172.16.112.0/24"
+ fi
+
+ #
+ # multipath - v6 then v4
+ #
+ run_cmd "$IP ro add 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
+ rc=$?
+ log_test $rc 0 "Multipath route add - v6 nexthop then v4"
+ if [ $rc -eq 0 ]; then
+ check_route "172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
+ fi
+
+ run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
+ log_test $? 2 " Multipath route delete - nexthops in wrong order"
+
+ run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
+ log_test $? 0 " Multipath route delete exact match"
+
+ #
+ # multipath - v4 then v6
+ #
+ run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
+ rc=$?
+ log_test $rc 0 "Multipath route add - v4 nexthop then v6"
+ if [ $rc -eq 0 ]; then
+ check_route "172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 weight 1 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1"
+ fi
+
+ run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
+ log_test $? 2 " Multipath route delete - nexthops in wrong order"
+
+ run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
+ log_test $? 0 " Multipath route delete exact match"
+
+ route_cleanup
+}
################################################################################
# usage
@@ -1510,6 +1564,7 @@ do
ipv4_addr_metric) ipv4_addr_metric_test;;
ipv6_route_metrics) ipv6_route_metrics_test;;
ipv4_route_metrics) ipv4_route_metrics_test;;
+ ipv4_route_v6_gw) ipv4_route_v6_gw_test;;
help) echo "Test names: $TESTS"; exit 0;;
esac
diff --git a/tools/testing/selftests/net/forwarding/bridge_igmp.sh b/tools/testing/selftests/net/forwarding/bridge_igmp.sh
new file mode 100755
index 000000000000..88d2472ba151
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/bridge_igmp.sh
@@ -0,0 +1,152 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+ALL_TESTS="reportleave_test"
+NUM_NETIFS=4
+CHECK_TC="yes"
+TEST_GROUP="239.10.10.10"
+TEST_GROUP_MAC="01:00:5e:0a:0a:0a"
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64
+}
+
+h1_destroy()
+{
+ simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.2.2/24 2001:db8:1::2/64
+}
+
+h2_destroy()
+{
+ simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64
+}
+
+switch_create()
+{
+ ip link add dev br0 type bridge mcast_snooping 1 mcast_querier 1
+
+ ip link set dev $swp1 master br0
+ ip link set dev $swp2 master br0
+
+ ip link set dev br0 up
+ ip link set dev $swp1 up
+ ip link set dev $swp2 up
+}
+
+switch_destroy()
+{
+ ip link set dev $swp2 down
+ ip link set dev $swp1 down
+
+ ip link del dev br0
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+
+ swp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+
+ switch_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ switch_destroy
+
+ # Always cleanup the mcast group
+ ip address del dev $h2 $TEST_GROUP/32 2>&1 1>/dev/null
+
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+# return 0 if the packet wasn't seen on host2_if or 1 if it was
+mcast_packet_test()
+{
+ local mac=$1
+ local ip=$2
+ local host1_if=$3
+ local host2_if=$4
+ local seen=0
+
+ # Add an ACL on `host2_if` which will tell us whether the packet
+ # was received by it or not.
+ tc qdisc add dev $host2_if ingress
+ tc filter add dev $host2_if ingress protocol ip pref 1 handle 101 \
+ flower dst_mac $mac action drop
+
+ $MZ $host1_if -c 1 -p 64 -b $mac -B $ip -t udp "dp=4096,sp=2048" -q
+ sleep 1
+
+ tc -j -s filter show dev $host2_if ingress \
+ | jq -e ".[] | select(.options.handle == 101) \
+ | select(.options.actions[0].stats.packets == 1)" &> /dev/null
+ if [[ $? -eq 0 ]]; then
+ seen=1
+ fi
+
+ tc filter del dev $host2_if ingress protocol ip pref 1 handle 101 flower
+ tc qdisc del dev $host2_if ingress
+
+ return $seen
+}
+
+reportleave_test()
+{
+ RET=0
+ ip address add dev $h2 $TEST_GROUP/32 autojoin
+ check_err $? "Could not join $TEST_GROUP"
+
+ sleep 5
+ bridge mdb show dev br0 | grep $TEST_GROUP 1>/dev/null
+ check_err $? "Report didn't create mdb entry for $TEST_GROUP"
+
+ mcast_packet_test $TEST_GROUP_MAC $TEST_GROUP $h1 $h2
+ check_fail $? "Traffic to $TEST_GROUP wasn't forwarded"
+
+ log_test "IGMP report $TEST_GROUP"
+
+ RET=0
+ bridge mdb show dev br0 | grep $TEST_GROUP 1>/dev/null
+ check_err $? "mdb entry for $TEST_GROUP is missing"
+
+ ip address del dev $h2 $TEST_GROUP/32
+ check_err $? "Could not leave $TEST_GROUP"
+
+ sleep 5
+ bridge mdb show dev br0 | grep $TEST_GROUP 1>/dev/null
+ check_fail $? "Leave didn't delete mdb entry for $TEST_GROUP"
+
+ mcast_packet_test $TEST_GROUP_MAC $TEST_GROUP $h1 $h2
+ check_err $? "Traffic to $TEST_GROUP was forwarded without mdb entry"
+
+ log_test "IGMP leave $TEST_GROUP"
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/config b/tools/testing/selftests/net/forwarding/config
index 5cd2aed97958..da96eff72a8e 100644
--- a/tools/testing/selftests/net/forwarding/config
+++ b/tools/testing/selftests/net/forwarding/config
@@ -10,3 +10,5 @@ CONFIG_NET_CLS_FLOWER=m
CONFIG_NET_SCH_INGRESS=m
CONFIG_NET_ACT_GACT=m
CONFIG_VETH=m
+CONFIG_NAMESPACES=y
+CONFIG_NET_NS=y
diff --git a/tools/testing/selftests/net/forwarding/devlink_lib.sh b/tools/testing/selftests/net/forwarding/devlink_lib.sh
index 5ab1e5f43022..8553a67a2322 100644
--- a/tools/testing/selftests/net/forwarding/devlink_lib.sh
+++ b/tools/testing/selftests/net/forwarding/devlink_lib.sh
@@ -2,21 +2,10 @@
# SPDX-License-Identifier: GPL-2.0
##############################################################################
-# Source library
-
-relative_path="${BASH_SOURCE%/*}"
-if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then
- relative_path="."
-fi
-
-source "$relative_path/lib.sh"
-
-##############################################################################
# Defines
-DEVLINK_DEV=$(devlink port show | grep "${NETIFS[p1]}" | \
- grep -v "${NETIFS[p1]}[0-9]" | cut -d" " -f1 | \
- rev | cut -d"/" -f2- | rev)
+DEVLINK_DEV=$(devlink port show "${NETIFS[p1]}" -j \
+ | jq -r '.port | keys[]' | cut -d/ -f-2)
if [ -z "$DEVLINK_DEV" ]; then
echo "SKIP: ${NETIFS[p1]} has no devlink device registered for it"
exit 1
@@ -32,7 +21,7 @@ DEVLINK_VIDDID=$(lspci -s $(echo $DEVLINK_DEV | cut -d"/" -f2) \
##############################################################################
# Sanity checks
-devlink -j resource show "$DEVLINK_DEV" &> /dev/null
+devlink help 2>&1 | grep resource &> /dev/null
if [ $? -ne 0 ]; then
echo "SKIP: iproute2 too old, missing devlink resource support"
exit 1
@@ -106,3 +95,98 @@ devlink_reload()
grep -c "size_new")
check_err $still_pending "Failed reload - There are still unset sizes"
}
+
+declare -A DEVLINK_ORIG
+
+devlink_port_pool_threshold()
+{
+ local port=$1; shift
+ local pool=$1; shift
+
+ devlink sb port pool show $port pool $pool -j \
+ | jq '.port_pool."'"$port"'"[].threshold'
+}
+
+devlink_port_pool_th_set()
+{
+ local port=$1; shift
+ local pool=$1; shift
+ local th=$1; shift
+ local key="port_pool($port,$pool).threshold"
+
+ DEVLINK_ORIG[$key]=$(devlink_port_pool_threshold $port $pool)
+ devlink sb port pool set $port pool $pool th $th
+}
+
+devlink_port_pool_th_restore()
+{
+ local port=$1; shift
+ local pool=$1; shift
+ local key="port_pool($port,$pool).threshold"
+
+ devlink sb port pool set $port pool $pool th ${DEVLINK_ORIG[$key]}
+}
+
+devlink_pool_size_thtype()
+{
+ local pool=$1; shift
+
+ devlink sb pool show "$DEVLINK_DEV" pool $pool -j \
+ | jq -r '.pool[][] | (.size, .thtype)'
+}
+
+devlink_pool_size_thtype_set()
+{
+ local pool=$1; shift
+ local thtype=$1; shift
+ local size=$1; shift
+ local key="pool($pool).size_thtype"
+
+ DEVLINK_ORIG[$key]=$(devlink_pool_size_thtype $pool)
+ devlink sb pool set "$DEVLINK_DEV" pool $pool size $size thtype $thtype
+}
+
+devlink_pool_size_thtype_restore()
+{
+ local pool=$1; shift
+ local key="pool($pool).size_thtype"
+ local -a orig=(${DEVLINK_ORIG[$key]})
+
+ devlink sb pool set "$DEVLINK_DEV" pool $pool \
+ size ${orig[0]} thtype ${orig[1]}
+}
+
+devlink_tc_bind_pool_th()
+{
+ local port=$1; shift
+ local tc=$1; shift
+ local dir=$1; shift
+
+ devlink sb tc bind show $port tc $tc type $dir -j \
+ | jq -r '.tc_bind[][] | (.pool, .threshold)'
+}
+
+devlink_tc_bind_pool_th_set()
+{
+ local port=$1; shift
+ local tc=$1; shift
+ local dir=$1; shift
+ local pool=$1; shift
+ local th=$1; shift
+ local key="tc_bind($port,$dir,$tc).pool_th"
+
+ DEVLINK_ORIG[$key]=$(devlink_tc_bind_pool_th $port $tc $dir)
+ devlink sb tc bind set $port tc $tc type $dir pool $pool th $th
+}
+
+devlink_tc_bind_pool_th_restore()
+{
+ local port=$1; shift
+ local tc=$1; shift
+ local dir=$1; shift
+ local key="tc_bind($port,$dir,$tc).pool_th"
+ local -a orig=(${DEVLINK_ORIG[$key]})
+
+ devlink sb tc bind set $port tc $tc type $dir \
+ pool ${orig[0]} th ${orig[1]}
+}
diff --git a/tools/testing/selftests/net/forwarding/forwarding.config.sample b/tools/testing/selftests/net/forwarding/forwarding.config.sample
index e819d049d9ce..e2adb533c8fc 100644
--- a/tools/testing/selftests/net/forwarding/forwarding.config.sample
+++ b/tools/testing/selftests/net/forwarding/forwarding.config.sample
@@ -33,3 +33,6 @@ PAUSE_ON_CLEANUP=no
NETIF_TYPE=veth
# Whether to create virtual interfaces (veth) or not
NETIF_CREATE=yes
+# Timeout (in seconds) before ping exits regardless of how many packets have
+# been sent or received
+PING_TIMEOUT=5
diff --git a/tools/testing/selftests/net/forwarding/gre_inner_v4_multipath.sh b/tools/testing/selftests/net/forwarding/gre_inner_v4_multipath.sh
new file mode 100755
index 000000000000..e4009f658003
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/gre_inner_v4_multipath.sh
@@ -0,0 +1,305 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test traffic distribution when there are multiple routes between an IPv4
+# GRE tunnel. The tunnel carries IPv4 traffic between multiple hosts.
+# Multiple routes are in the underlay network. With the default multipath
+# policy, SW2 will only look at the outer IP addresses, hence only a single
+# route would be used.
+#
+# +-------------------------+
+# | H1 |
+# | $h1 + |
+# | 192.0.3.{2-62}/24 | |
+# +-------------------|-----+
+# |
+# +-------------------|------------------------+
+# | SW1 | |
+# | $ol1 + |
+# | 192.0.3.1/24 |
+# | |
+# | + g1 (gre) |
+# | loc=192.0.2.65 |
+# | rem=192.0.2.66 --. |
+# | tos=inherit | |
+# | v |
+# | + $ul1 |
+# | | 192.0.2.129/28 |
+# +---------------------|----------------------+
+# |
+# +---------------------|----------------------+
+# | SW2 | |
+# | $ul21 + |
+# | 192.0.2.130/28 |
+# | | |
+# ! ________________|_____ |
+# | / \ |
+# | | | |
+# | + $ul22.111 (vlan) + $ul22.222 (vlan) |
+# | | 192.0.2.145/28 | 192.0.2.161/28 |
+# | | | |
+# +--|----------------------|------------------+
+# | |
+# +--|----------------------|------------------+
+# | | | |
+# | + $ul32.111 (vlan) + $ul32.222 (vlan) |
+# | | 192.0.2.146/28 | 192.0.2.162/28 |
+# | | | |
+# | \______________________/ |
+# | | |
+# | | |
+# | $ul31 + |
+# | 192.0.2.177/28 | SW3 |
+# +---------------------|----------------------+
+# |
+# +---------------------|----------------------+
+# | + $ul4 |
+# | ^ 192.0.2.178/28 |
+# | | |
+# | + g2 (gre) | |
+# | loc=192.0.2.66 | |
+# | rem=192.0.2.65 --' |
+# | tos=inherit |
+# | |
+# | $ol4 + |
+# | 192.0.4.1/24 | SW4 |
+# +--------------------|-----------------------+
+# |
+# +--------------------|---------+
+# | | |
+# | $h2 + |
+# | 192.0.4.{2-62}/24 H2 |
+# +------------------------------+
+
+ALL_TESTS="
+ ping_ipv4
+ multipath_ipv4
+"
+
+NUM_NETIFS=10
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.3.2/24
+ ip route add vrf v$h1 192.0.4.0/24 via 192.0.3.1
+}
+
+h1_destroy()
+{
+ ip route del vrf v$h1 192.0.4.0/24 via 192.0.3.1
+ simple_if_fini $h1 192.0.3.2/24
+}
+
+sw1_create()
+{
+ simple_if_init $ol1 192.0.3.1/24
+ __simple_if_init $ul1 v$ol1 192.0.2.129/28
+
+ tunnel_create g1 gre 192.0.2.65 192.0.2.66 tos inherit dev v$ol1
+ __simple_if_init g1 v$ol1 192.0.2.65/32
+ ip route add vrf v$ol1 192.0.2.66/32 via 192.0.2.130
+
+ ip route add vrf v$ol1 192.0.4.0/24 nexthop dev g1
+}
+
+sw1_destroy()
+{
+ ip route del vrf v$ol1 192.0.4.0/24
+
+ ip route del vrf v$ol1 192.0.2.66/32
+ __simple_if_fini g1 192.0.2.65/32
+ tunnel_destroy g1
+
+ __simple_if_fini $ul1 192.0.2.129/28
+ simple_if_fini $ol1 192.0.3.1/24
+}
+
+sw2_create()
+{
+ simple_if_init $ul21 192.0.2.130/28
+ __simple_if_init $ul22 v$ul21
+ vlan_create $ul22 111 v$ul21 192.0.2.145/28
+ vlan_create $ul22 222 v$ul21 192.0.2.161/28
+
+ ip route add vrf v$ul21 192.0.2.65/32 via 192.0.2.129
+ ip route add vrf v$ul21 192.0.2.66/32 \
+ nexthop via 192.0.2.146 \
+ nexthop via 192.0.2.162
+}
+
+sw2_destroy()
+{
+ ip route del vrf v$ul21 192.0.2.66/32
+ ip route del vrf v$ul21 192.0.2.65/32
+
+ vlan_destroy $ul22 222
+ vlan_destroy $ul22 111
+ __simple_if_fini $ul22
+ simple_if_fini $ul21 192.0.2.130/28
+}
+
+sw3_create()
+{
+ simple_if_init $ul31 192.0.2.177/28
+ __simple_if_init $ul32 v$ul31
+ vlan_create $ul32 111 v$ul31 192.0.2.146/28
+ vlan_create $ul32 222 v$ul31 192.0.2.162/28
+
+ ip route add vrf v$ul31 192.0.2.66/32 via 192.0.2.178
+ ip route add vrf v$ul31 192.0.2.65/32 \
+ nexthop via 192.0.2.145 \
+ nexthop via 192.0.2.161
+
+ tc qdisc add dev $ul32 clsact
+ tc filter add dev $ul32 ingress pref 111 prot 802.1Q \
+ flower vlan_id 111 action pass
+ tc filter add dev $ul32 ingress pref 222 prot 802.1Q \
+ flower vlan_id 222 action pass
+}
+
+sw3_destroy()
+{
+ tc qdisc del dev $ul32 clsact
+
+ ip route del vrf v$ul31 192.0.2.65/32
+ ip route del vrf v$ul31 192.0.2.66/32
+
+ vlan_destroy $ul32 222
+ vlan_destroy $ul32 111
+ __simple_if_fini $ul32
+ simple_if_fini $ul31 192.0.2.177/28
+}
+
+sw4_create()
+{
+ simple_if_init $ol4 192.0.4.1/24
+ __simple_if_init $ul4 v$ol4 192.0.2.178/28
+
+ tunnel_create g2 gre 192.0.2.66 192.0.2.65 tos inherit dev v$ol4
+ __simple_if_init g2 v$ol4 192.0.2.66/32
+ ip route add vrf v$ol4 192.0.2.65/32 via 192.0.2.177
+
+ ip route add vrf v$ol4 192.0.3.0/24 nexthop dev g2
+}
+
+sw4_destroy()
+{
+ ip route del vrf v$ol4 192.0.3.0/24
+
+ ip route del vrf v$ol4 192.0.2.65/32
+ __simple_if_fini g2 192.0.2.66/32
+ tunnel_destroy g2
+
+ __simple_if_fini $ul4 192.0.2.178/28
+ simple_if_fini $ol4 192.0.4.1/24
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.4.2/24
+ ip route add vrf v$h2 192.0.3.0/24 via 192.0.4.1
+}
+
+h2_destroy()
+{
+ ip route del vrf v$h2 192.0.3.0/24 via 192.0.4.1
+ simple_if_fini $h2 192.0.4.2/24
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+
+ ol1=${NETIFS[p2]}
+ ul1=${NETIFS[p3]}
+
+ ul21=${NETIFS[p4]}
+ ul22=${NETIFS[p5]}
+
+ ul32=${NETIFS[p6]}
+ ul31=${NETIFS[p7]}
+
+ ul4=${NETIFS[p8]}
+ ol4=${NETIFS[p9]}
+
+ h2=${NETIFS[p10]}
+
+ vrf_prepare
+ h1_create
+ sw1_create
+ sw2_create
+ sw3_create
+ sw4_create
+ h2_create
+
+ forwarding_enable
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ forwarding_restore
+
+ h2_destroy
+ sw4_destroy
+ sw3_destroy
+ sw2_destroy
+ sw1_destroy
+ h1_destroy
+ vrf_cleanup
+}
+
+multipath4_test()
+{
+ local what=$1; shift
+ local weight1=$1; shift
+ local weight2=$1; shift
+
+ sysctl_set net.ipv4.fib_multipath_hash_policy 2
+ ip route replace vrf v$ul21 192.0.2.66/32 \
+ nexthop via 192.0.2.146 weight $weight1 \
+ nexthop via 192.0.2.162 weight $weight2
+
+ local t0_111=$(tc_rule_stats_get $ul32 111 ingress)
+ local t0_222=$(tc_rule_stats_get $ul32 222 ingress)
+
+ ip vrf exec v$h1 \
+ $MZ $h1 -q -p 64 -A "192.0.3.2-192.0.3.62" -B "192.0.4.2-192.0.4.62" \
+ -d 1msec -c 50 -t udp "sp=1024,dp=1024"
+ sleep 1
+
+ local t1_111=$(tc_rule_stats_get $ul32 111 ingress)
+ local t1_222=$(tc_rule_stats_get $ul32 222 ingress)
+
+ local d111=$((t1_111 - t0_111))
+ local d222=$((t1_222 - t0_222))
+ multipath_eval "$what" $weight1 $weight2 $d111 $d222
+
+ ip route replace vrf v$ul21 192.0.2.66/32 \
+ nexthop via 192.0.2.146 \
+ nexthop via 192.0.2.162
+ sysctl_restore net.ipv4.fib_multipath_hash_policy
+}
+
+ping_ipv4()
+{
+ ping_test $h1 192.0.4.2
+}
+
+multipath_ipv4()
+{
+ log_info "Running IPv4 over GRE over IPv4 multipath tests"
+ multipath4_test "ECMP" 1 1
+ multipath4_test "Weighted MP 2:1" 2 1
+ multipath4_test "Weighted MP 11:45" 11 45
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/gre_inner_v6_multipath.sh b/tools/testing/selftests/net/forwarding/gre_inner_v6_multipath.sh
new file mode 100755
index 000000000000..e449475c4d3e
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/gre_inner_v6_multipath.sh
@@ -0,0 +1,306 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test traffic distribution when there are multiple routes between an IPv4
+# GRE tunnel. The tunnel carries IPv6 traffic between multiple hosts.
+# Multiple routes are in the underlay network. With the default multipath
+# policy, SW2 will only look at the outer IP addresses, hence only a single
+# route would be used.
+#
+# +-------------------------+
+# | H1 |
+# | $h1 + |
+# | 2001:db8:1::2/64 | |
+# +-------------------|-----+
+# |
+# +-------------------|------------------------+
+# | SW1 | |
+# | $ol1 + |
+# | 2001:db8:1::1/64 |
+# | |
+# | + g1 (gre) |
+# | loc=192.0.2.65 |
+# | rem=192.0.2.66 --. |
+# | tos=inherit | |
+# | v |
+# | + $ul1 |
+# | | 192.0.2.129/28 |
+# +---------------------|----------------------+
+# |
+# +---------------------|----------------------+
+# | SW2 | |
+# | $ul21 + |
+# | 192.0.2.130/28 |
+# | | |
+# ! ________________|_____ |
+# | / \ |
+# | | | |
+# | + $ul22.111 (vlan) + $ul22.222 (vlan) |
+# | | 192.0.2.145/28 | 192.0.2.161/28 |
+# | | | |
+# +--|----------------------|------------------+
+# | |
+# +--|----------------------|------------------+
+# | | | |
+# | + $ul32.111 (vlan) + $ul32.222 (vlan) |
+# | | 192.0.2.146/28 | 192.0.2.162/28 |
+# | | | |
+# | \______________________/ |
+# | | |
+# | | |
+# | $ul31 + |
+# | 192.0.2.177/28 | SW3 |
+# +---------------------|----------------------+
+# |
+# +---------------------|----------------------+
+# | + $ul4 |
+# | ^ 192.0.2.178/28 |
+# | | |
+# | + g2 (gre) | |
+# | loc=192.0.2.66 | |
+# | rem=192.0.2.65 --' |
+# | tos=inherit |
+# | |
+# | $ol4 + |
+# | 2001:db8:2::1/64 | SW4 |
+# +--------------------|-----------------------+
+# |
+# +--------------------|---------+
+# | | |
+# | $h2 + |
+# | 2001:db8:2::2/64 H2 |
+# +------------------------------+
+
+ALL_TESTS="
+ ping_ipv6
+ multipath_ipv6
+"
+
+NUM_NETIFS=10
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 2001:db8:1::2/64
+ ip -6 route add vrf v$h1 2001:db8:2::/64 via 2001:db8:1::1
+}
+
+h1_destroy()
+{
+ ip -6 route del vrf v$h1 2001:db8:2::/64 via 2001:db8:1::1
+ simple_if_fini $h1 2001:db8:1::2/64
+}
+
+sw1_create()
+{
+ simple_if_init $ol1 2001:db8:1::1/64
+ __simple_if_init $ul1 v$ol1 192.0.2.129/28
+
+ tunnel_create g1 gre 192.0.2.65 192.0.2.66 tos inherit dev v$ol1
+ __simple_if_init g1 v$ol1 192.0.2.65/32
+ ip route add vrf v$ol1 192.0.2.66/32 via 192.0.2.130
+
+ ip -6 route add vrf v$ol1 2001:db8:2::/64 dev g1
+}
+
+sw1_destroy()
+{
+ ip -6 route del vrf v$ol1 2001:db8:2::/64
+
+ ip route del vrf v$ol1 192.0.2.66/32
+ __simple_if_fini g1 192.0.2.65/32
+ tunnel_destroy g1
+
+ __simple_if_fini $ul1 192.0.2.129/28
+ simple_if_fini $ol1 2001:db8:1::1/64
+}
+
+sw2_create()
+{
+ simple_if_init $ul21 192.0.2.130/28
+ __simple_if_init $ul22 v$ul21
+ vlan_create $ul22 111 v$ul21 192.0.2.145/28
+ vlan_create $ul22 222 v$ul21 192.0.2.161/28
+
+ ip route add vrf v$ul21 192.0.2.65/32 via 192.0.2.129
+ ip route add vrf v$ul21 192.0.2.66/32 \
+ nexthop via 192.0.2.146 \
+ nexthop via 192.0.2.162
+}
+
+sw2_destroy()
+{
+ ip route del vrf v$ul21 192.0.2.66/32
+ ip route del vrf v$ul21 192.0.2.65/32
+
+ vlan_destroy $ul22 222
+ vlan_destroy $ul22 111
+ __simple_if_fini $ul22
+ simple_if_fini $ul21 192.0.2.130/28
+}
+
+sw3_create()
+{
+ simple_if_init $ul31 192.0.2.177/28
+ __simple_if_init $ul32 v$ul31
+ vlan_create $ul32 111 v$ul31 192.0.2.146/28
+ vlan_create $ul32 222 v$ul31 192.0.2.162/28
+
+ ip route add vrf v$ul31 192.0.2.66/32 via 192.0.2.178
+ ip route add vrf v$ul31 192.0.2.65/32 \
+ nexthop via 192.0.2.145 \
+ nexthop via 192.0.2.161
+
+ tc qdisc add dev $ul32 clsact
+ tc filter add dev $ul32 ingress pref 111 prot 802.1Q \
+ flower vlan_id 111 action pass
+ tc filter add dev $ul32 ingress pref 222 prot 802.1Q \
+ flower vlan_id 222 action pass
+}
+
+sw3_destroy()
+{
+ tc qdisc del dev $ul32 clsact
+
+ ip route del vrf v$ul31 192.0.2.65/32
+ ip route del vrf v$ul31 192.0.2.66/32
+
+ vlan_destroy $ul32 222
+ vlan_destroy $ul32 111
+ __simple_if_fini $ul32
+ simple_if_fini $ul31 192.0.2.177/28
+}
+
+sw4_create()
+{
+ simple_if_init $ol4 2001:db8:2::1/64
+ __simple_if_init $ul4 v$ol4 192.0.2.178/28
+
+ tunnel_create g2 gre 192.0.2.66 192.0.2.65 tos inherit dev v$ol4
+ __simple_if_init g2 v$ol4 192.0.2.66/32
+ ip route add vrf v$ol4 192.0.2.65/32 via 192.0.2.177
+
+ ip -6 route add vrf v$ol4 2001:db8:1::/64 dev g2
+}
+
+sw4_destroy()
+{
+ ip -6 route del vrf v$ol4 2001:db8:1::/64
+
+ ip route del vrf v$ol4 192.0.2.65/32
+ __simple_if_fini g2 192.0.2.66/32
+ tunnel_destroy g2
+
+ __simple_if_fini $ul4 192.0.2.178/28
+ simple_if_fini $ol4 2001:db8:2::1/64
+}
+
+h2_create()
+{
+ simple_if_init $h2 2001:db8:2::2/64
+ ip -6 route add vrf v$h2 2001:db8:1::/64 via 2001:db8:2::1
+}
+
+h2_destroy()
+{
+ ip -6 route del vrf v$h2 2001:db8:1::/64 via 2001:db8:2::1
+ simple_if_fini $h2 2001:db8:2::2/64
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+
+ ol1=${NETIFS[p2]}
+ ul1=${NETIFS[p3]}
+
+ ul21=${NETIFS[p4]}
+ ul22=${NETIFS[p5]}
+
+ ul32=${NETIFS[p6]}
+ ul31=${NETIFS[p7]}
+
+ ul4=${NETIFS[p8]}
+ ol4=${NETIFS[p9]}
+
+ h2=${NETIFS[p10]}
+
+ vrf_prepare
+ h1_create
+ sw1_create
+ sw2_create
+ sw3_create
+ sw4_create
+ h2_create
+
+ forwarding_enable
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ forwarding_restore
+
+ h2_destroy
+ sw4_destroy
+ sw3_destroy
+ sw2_destroy
+ sw1_destroy
+ h1_destroy
+ vrf_cleanup
+}
+
+multipath6_test()
+{
+ local what=$1; shift
+ local weight1=$1; shift
+ local weight2=$1; shift
+
+ sysctl_set net.ipv4.fib_multipath_hash_policy 2
+ ip route replace vrf v$ul21 192.0.2.66/32 \
+ nexthop via 192.0.2.146 weight $weight1 \
+ nexthop via 192.0.2.162 weight $weight2
+
+ local t0_111=$(tc_rule_stats_get $ul32 111 ingress)
+ local t0_222=$(tc_rule_stats_get $ul32 222 ingress)
+
+ ip vrf exec v$h1 \
+ $MZ $h1 -6 -q -p 64 -A "2001:db8:1::2-2001:db8:1::1e" \
+ -B "2001:db8:2::2-2001:db8:2::1e" \
+ -d 1msec -c 50 -t udp "sp=1024,dp=1024"
+ sleep 1
+
+ local t1_111=$(tc_rule_stats_get $ul32 111 ingress)
+ local t1_222=$(tc_rule_stats_get $ul32 222 ingress)
+
+ local d111=$((t1_111 - t0_111))
+ local d222=$((t1_222 - t0_222))
+ multipath_eval "$what" $weight1 $weight2 $d111 $d222
+
+ ip route replace vrf v$ul21 192.0.2.66/32 \
+ nexthop via 192.0.2.146 \
+ nexthop via 192.0.2.162
+ sysctl_restore net.ipv4.fib_multipath_hash_policy
+}
+
+ping_ipv6()
+{
+ ping_test $h1 2001:db8:2::2
+}
+
+multipath_ipv6()
+{
+ log_info "Running IPv6 over GRE over IPv4 multipath tests"
+ multipath6_test "ECMP" 1 1
+ multipath6_test "Weighted MP 2:1" 2 1
+ multipath6_test "Weighted MP 11:45" 11 45
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/ip6gre_inner_v4_multipath.sh b/tools/testing/selftests/net/forwarding/ip6gre_inner_v4_multipath.sh
new file mode 100755
index 000000000000..a257979d3fc5
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/ip6gre_inner_v4_multipath.sh
@@ -0,0 +1,304 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test traffic distribution when there are multiple routes between an IPv6
+# GRE tunnel. The tunnel carries IPv4 traffic between multiple hosts.
+# Multiple routes are in the underlay network. With the default multipath
+# policy, SW2 will only look at the outer IP addresses, hence only a single
+# route would be used.
+#
+# +-------------------------+
+# | H1 |
+# | $h1 + |
+# | 192.0.3.{2-62}/24 | |
+# +-------------------|-----+
+# |
+# +-------------------|-------------------------+
+# | SW1 | |
+# | $ol1 + |
+# | 192.0.3.1/24 |
+# | |
+# | + g1 (gre) |
+# | loc=2001:db8:40::1 |
+# | rem=2001:db8:40::2 --. |
+# | tos=inherit | |
+# | v |
+# | + $ul1 |
+# | | 2001:db8:80::1/64 |
+# +-------------------------|-------------------+
+# |
+# +-------------------------|-------------------+
+# | SW2 | |
+# | $ul21 + |
+# | 2001:db8:80::2/64 |
+# | | |
+# ! ________________|_____ |
+# | / \ |
+# | | | |
+# | + $ul22.111 (vlan) + $ul22.222 (vlan) |
+# | | 2001:db8:81::1/64 | 2001:db8:82::1/64 |
+# | | | |
+# +--|----------------------|-------------------+
+# | |
+# +--|----------------------|-------------------+
+# | | | |
+# | + $ul32.111 (vlan) + $ul32.222 (vlan) |
+# | | 2001:db8:81::2/64 | 2001:db8:82::2/64 |
+# | | | |
+# | \______________________/ |
+# | | |
+# | | |
+# | $ul31 + |
+# | 2001:db8:83::2/64 | SW3 |
+# +-------------------------|-------------------+
+# |
+# +-------------------------|-------------------+
+# | + $ul4 |
+# | ^ 2001:db8:83::1/64 |
+# | + g2 (gre) | |
+# | loc=2001:db8:40::2 | |
+# | rem=2001:db8:40::1 --' |
+# | tos=inherit |
+# | |
+# | $ol4 + |
+# | 192.0.4.1/24 | SW4 |
+# +--------------------|------------------------+
+# |
+# +--------------------|---------+
+# | | |
+# | $h2 + |
+# | 192.0.4.{2-62}/24 H2 |
+# +------------------------------+
+
+ALL_TESTS="
+ ping_ipv4
+ multipath_ipv4
+"
+
+NUM_NETIFS=10
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.3.2/24
+ ip route add vrf v$h1 192.0.4.0/24 via 192.0.3.1
+}
+
+h1_destroy()
+{
+ ip route del vrf v$h1 192.0.4.0/24 via 192.0.3.1
+ simple_if_fini $h1 192.0.3.2/24
+}
+
+sw1_create()
+{
+ simple_if_init $ol1 192.0.3.1/24
+ __simple_if_init $ul1 v$ol1 2001:db8:80::1/64
+
+ tunnel_create g1 ip6gre 2001:db8:40::1 2001:db8:40::2 tos inherit dev v$ol1
+ __simple_if_init g1 v$ol1 2001:db8:40::1/128
+ ip -6 route add vrf v$ol1 2001:db8:40::2/128 via 2001:db8:80::2
+
+ ip route add vrf v$ol1 192.0.4.0/24 nexthop dev g1
+}
+
+sw1_destroy()
+{
+ ip route del vrf v$ol1 192.0.4.0/24
+
+ ip -6 route del vrf v$ol1 2001:db8:40::2/128
+ __simple_if_fini g1 2001:db8:40::1/128
+ tunnel_destroy g1
+
+ __simple_if_fini $ul1 2001:db8:80::1/64
+ simple_if_fini $ol1 192.0.3.1/24
+}
+
+sw2_create()
+{
+ simple_if_init $ul21 2001:db8:80::2/64
+ __simple_if_init $ul22 v$ul21
+ vlan_create $ul22 111 v$ul21 2001:db8:81::1/64
+ vlan_create $ul22 222 v$ul21 2001:db8:82::1/64
+
+ ip -6 route add vrf v$ul21 2001:db8:40::1/128 via 2001:db8:80::1
+ ip -6 route add vrf v$ul21 2001:db8:40::2/128 \
+ nexthop via 2001:db8:81::2 \
+ nexthop via 2001:db8:82::2
+}
+
+sw2_destroy()
+{
+ ip -6 route del vrf v$ul21 2001:db8:40::2/128
+ ip -6 route del vrf v$ul21 2001:db8:40::1/128
+
+ vlan_destroy $ul22 222
+ vlan_destroy $ul22 111
+ __simple_if_fini $ul22
+ simple_if_fini $ul21 2001:db8:80::2/64
+}
+
+sw3_create()
+{
+ simple_if_init $ul31 2001:db8:83::2/64
+ __simple_if_init $ul32 v$ul31
+ vlan_create $ul32 111 v$ul31 2001:db8:81::2/64
+ vlan_create $ul32 222 v$ul31 2001:db8:82::2/64
+
+ ip -6 route add vrf v$ul31 2001:db8:40::2/128 via 2001:db8:83::1
+ ip -6 route add vrf v$ul31 2001:db8:40::1/128 \
+ nexthop via 2001:db8:81::1 \
+ nexthop via 2001:db8:82::1
+
+ tc qdisc add dev $ul32 clsact
+ tc filter add dev $ul32 ingress pref 111 prot 802.1Q \
+ flower vlan_id 111 action pass
+ tc filter add dev $ul32 ingress pref 222 prot 802.1Q \
+ flower vlan_id 222 action pass
+}
+
+sw3_destroy()
+{
+ tc qdisc del dev $ul32 clsact
+
+ ip -6 route del vrf v$ul31 2001:db8:40::1/128
+ ip -6 route del vrf v$ul31 2001:db8:40::2/128
+
+ vlan_destroy $ul32 222
+ vlan_destroy $ul32 111
+ __simple_if_fini $ul32
+ simple_if_fini $ul31 2001:Db8:83::2/64
+}
+
+sw4_create()
+{
+ simple_if_init $ol4 192.0.4.1/24
+ __simple_if_init $ul4 v$ol4 2001:db8:83::1/64
+
+ tunnel_create g2 ip6gre 2001:db8:40::2 2001:db8:40::1 tos inherit dev v$ol4
+ __simple_if_init g2 v$ol4 2001:db8:40::2/128
+ ip -6 route add vrf v$ol4 2001:db8:40::1/128 via 2001:db8:83::2
+
+ ip route add vrf v$ol4 192.0.3.0/24 nexthop dev g2
+}
+
+sw4_destroy()
+{
+ ip route del vrf v$ol4 192.0.3.0/24
+
+ ip -6 route del vrf v$ol4 2001:db8:40::1/128
+ __simple_if_fini g2 2001:db8:40::2/128
+ tunnel_destroy g2
+
+ __simple_if_fini $ul4 2001:db8:83::1/64
+ simple_if_fini $ol4 192.0.4.1/24
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.4.2/24
+ ip route add vrf v$h2 192.0.3.0/24 via 192.0.4.1
+}
+
+h2_destroy()
+{
+ ip route del vrf v$h2 192.0.3.0/24 via 192.0.4.1
+ simple_if_fini $h2 192.0.4.2/24
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+
+ ol1=${NETIFS[p2]}
+ ul1=${NETIFS[p3]}
+
+ ul21=${NETIFS[p4]}
+ ul22=${NETIFS[p5]}
+
+ ul32=${NETIFS[p6]}
+ ul31=${NETIFS[p7]}
+
+ ul4=${NETIFS[p8]}
+ ol4=${NETIFS[p9]}
+
+ h2=${NETIFS[p10]}
+
+ vrf_prepare
+ h1_create
+ sw1_create
+ sw2_create
+ sw3_create
+ sw4_create
+ h2_create
+
+ forwarding_enable
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ forwarding_restore
+
+ h2_destroy
+ sw4_destroy
+ sw3_destroy
+ sw2_destroy
+ sw1_destroy
+ h1_destroy
+ vrf_cleanup
+}
+
+multipath4_test()
+{
+ local what=$1; shift
+ local weight1=$1; shift
+ local weight2=$1; shift
+
+ sysctl_set net.ipv6.fib_multipath_hash_policy 2
+ ip route replace vrf v$ul21 2001:db8:40::2/128 \
+ nexthop via 2001:db8:81::2 weight $weight1 \
+ nexthop via 2001:db8:82::2 weight $weight2
+
+ local t0_111=$(tc_rule_stats_get $ul32 111 ingress)
+ local t0_222=$(tc_rule_stats_get $ul32 222 ingress)
+
+ ip vrf exec v$h1 \
+ $MZ $h1 -q -p 64 -A "192.0.3.2-192.0.3.62" -B "192.0.4.2-192.0.4.62" \
+ -d 1msec -c 50 -t udp "sp=1024,dp=1024"
+ sleep 1
+
+ local t1_111=$(tc_rule_stats_get $ul32 111 ingress)
+ local t1_222=$(tc_rule_stats_get $ul32 222 ingress)
+
+ local d111=$((t1_111 - t0_111))
+ local d222=$((t1_222 - t0_222))
+ multipath_eval "$what" $weight1 $weight2 $d111 $d222
+
+ ip route replace vrf v$ul21 2001:db8:40::2/128 \
+ nexthop via 2001:db8:81::2 \
+ nexthop via 2001:db8:82::2
+ sysctl_restore net.ipv6.fib_multipath_hash_policy
+}
+
+ping_ipv4()
+{
+ ping_test $h1 192.0.4.2
+}
+
+multipath_ipv4()
+{
+ log_info "Running IPv4 over GRE over IPv6 multipath tests"
+ multipath4_test "ECMP" 1 1
+ multipath4_test "Weighted MP 2:1" 2 1
+ multipath4_test "Weighted MP 11:45" 11 45
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/ip6gre_inner_v6_multipath.sh b/tools/testing/selftests/net/forwarding/ip6gre_inner_v6_multipath.sh
new file mode 100755
index 000000000000..d208f5243ade
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/ip6gre_inner_v6_multipath.sh
@@ -0,0 +1,305 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test traffic distribution when there are multiple routes between an IPv6
+# GRE tunnel. The tunnel carries IPv6 traffic between multiple hosts.
+# Multiple routes are in the underlay network. With the default multipath
+# policy, SW2 will only look at the outer IP addresses, hence only a single
+# route would be used.
+#
+# +-------------------------+
+# | H1 |
+# | $h1 + |
+# | 2001:db8:1::2/64 | |
+# +-------------------|-----+
+# |
+# +-------------------|-------------------------+
+# | SW1 | |
+# | $ol1 + |
+# | 2001:db8:1::1/64 |
+# | |
+# | + g1 (gre) |
+# | loc=2001:db8:40::1 |
+# | rem=2001:db8:40::2 --. |
+# | tos=inherit | |
+# | v |
+# | + $ul1 |
+# | | 2001:db8:80::1/64 |
+# +-------------------------|-------------------+
+# |
+# +-------------------------|-------------------+
+# | SW2 | |
+# | $ul21 + |
+# | 2001:db8:80::2/64 |
+# | | |
+# ! ________________|_____ |
+# | / \ |
+# | | | |
+# | + $ul22.111 (vlan) + $ul22.222 (vlan) |
+# | | 2001:db8:81::1/64 | 2001:db8:82::1/64 |
+# | | | |
+# +--|----------------------|-------------------+
+# | |
+# +--|----------------------|-------------------+
+# | | | |
+# | + $ul32.111 (vlan) + $ul32.222 (vlan) |
+# | | 2001:db8:81::2/64 | 2001:db8:82::2/64 |
+# | | | |
+# | \______________________/ |
+# | | |
+# | | |
+# | $ul31 + |
+# | 2001:db8:83::2/64 | SW3 |
+# +-------------------------|-------------------+
+# |
+# +-------------------------|-------------------+
+# | + $ul4 |
+# | ^ 2001:db8:83::1/64 |
+# | + g2 (gre) | |
+# | loc=2001:db8:40::2 | |
+# | rem=2001:db8:40::1 --' |
+# | tos=inherit |
+# | |
+# | $ol4 + |
+# | 2001:db8:2::1/64 | SW4 |
+# +--------------------|------------------------+
+# |
+# +--------------------|---------+
+# | | |
+# | $h2 + |
+# | 2001:db8:2::2/64 H2 |
+# +------------------------------+
+
+ALL_TESTS="
+ ping_ipv6
+ multipath_ipv6
+"
+
+NUM_NETIFS=10
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 2001:db8:1::2/64
+ ip -6 route add vrf v$h1 2001:db8:2::/64 via 2001:db8:1::1
+}
+
+h1_destroy()
+{
+ ip -6 route del vrf v$h1 2001:db8:2::/64 via 2001:db8:1::1
+ simple_if_fini $h1 2001:db8:1::2/64
+}
+
+sw1_create()
+{
+ simple_if_init $ol1 2001:db8:1::1/64
+ __simple_if_init $ul1 v$ol1 2001:db8:80::1/64
+
+ tunnel_create g1 ip6gre 2001:db8:40::1 2001:db8:40::2 tos inherit dev v$ol1
+ __simple_if_init g1 v$ol1 2001:db8:40::1/128
+ ip -6 route add vrf v$ol1 2001:db8:40::2/128 via 2001:db8:80::2
+
+ ip -6 route add vrf v$ol1 2001:db8:2::/64 dev g1
+}
+
+sw1_destroy()
+{
+ ip -6 route del vrf v$ol1 2001:db8:2::/64
+
+ ip -6 route del vrf v$ol1 2001:db8:40::2/128
+ __simple_if_fini g1 2001:db8:40::1/128
+ tunnel_destroy g1
+
+ __simple_if_fini $ul1 2001:db8:80::1/64
+ simple_if_fini $ol1 2001:db8:1::1/64
+}
+
+sw2_create()
+{
+ simple_if_init $ul21 2001:db8:80::2/64
+ __simple_if_init $ul22 v$ul21
+ vlan_create $ul22 111 v$ul21 2001:db8:81::1/64
+ vlan_create $ul22 222 v$ul21 2001:db8:82::1/64
+
+ ip -6 route add vrf v$ul21 2001:db8:40::1/128 via 2001:db8:80::1
+ ip -6 route add vrf v$ul21 2001:db8:40::2/128 \
+ nexthop via 2001:db8:81::2 \
+ nexthop via 2001:db8:82::2
+}
+
+sw2_destroy()
+{
+ ip -6 route del vrf v$ul21 2001:db8:40::2/128
+ ip -6 route del vrf v$ul21 2001:db8:40::1/128
+
+ vlan_destroy $ul22 222
+ vlan_destroy $ul22 111
+ __simple_if_fini $ul22
+ simple_if_fini $ul21 2001:db8:80::2/64
+}
+
+sw3_create()
+{
+ simple_if_init $ul31 2001:db8:83::2/64
+ __simple_if_init $ul32 v$ul31
+ vlan_create $ul32 111 v$ul31 2001:db8:81::2/64
+ vlan_create $ul32 222 v$ul31 2001:db8:82::2/64
+
+ ip -6 route add vrf v$ul31 2001:db8:40::2/128 via 2001:db8:83::1
+ ip -6 route add vrf v$ul31 2001:db8:40::1/128 \
+ nexthop via 2001:db8:81::1 \
+ nexthop via 2001:db8:82::1
+
+ tc qdisc add dev $ul32 clsact
+ tc filter add dev $ul32 ingress pref 111 prot 802.1Q \
+ flower vlan_id 111 action pass
+ tc filter add dev $ul32 ingress pref 222 prot 802.1Q \
+ flower vlan_id 222 action pass
+}
+
+sw3_destroy()
+{
+ tc qdisc del dev $ul32 clsact
+
+ ip -6 route del vrf v$ul31 2001:db8:40::1/128
+ ip -6 route del vrf v$ul31 2001:db8:40::2/128
+
+ vlan_destroy $ul32 222
+ vlan_destroy $ul32 111
+ __simple_if_fini $ul32
+ simple_if_fini $ul31 2001:Db8:83::2/64
+}
+
+sw4_create()
+{
+ simple_if_init $ol4 2001:db8:2::1/64
+ __simple_if_init $ul4 v$ol4 2001:db8:83::1/64
+
+ tunnel_create g2 ip6gre 2001:db8:40::2 2001:db8:40::1 tos inherit dev v$ol4
+ __simple_if_init g2 v$ol4 2001:db8:40::2/128
+ ip -6 route add vrf v$ol4 2001:db8:40::1/128 via 2001:db8:83::2
+
+ ip -6 route add vrf v$ol4 2001:db8:1::/64 dev g2
+}
+
+sw4_destroy()
+{
+ ip -6 route del vrf v$ol4 2001:db8:1::/64
+
+ ip -6 route del vrf v$ol4 2001:db8:40::1/128
+ __simple_if_fini g2 2001:db8:40::2/128
+ tunnel_destroy g2
+
+ __simple_if_fini $ul4 2001:db8:83::1/64
+ simple_if_fini $ol4 2001:db8:2::1/64
+}
+
+h2_create()
+{
+ simple_if_init $h2 2001:db8:2::2/64
+ ip -6 route add vrf v$h2 2001:db8:1::/64 via 2001:db8:2::1
+}
+
+h2_destroy()
+{
+ ip -6 route del vrf v$h2 2001:db8:1::/64 via 2001:db8:2::1
+ simple_if_fini $h2 2001:db8:2::2/64
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+
+ ol1=${NETIFS[p2]}
+ ul1=${NETIFS[p3]}
+
+ ul21=${NETIFS[p4]}
+ ul22=${NETIFS[p5]}
+
+ ul32=${NETIFS[p6]}
+ ul31=${NETIFS[p7]}
+
+ ul4=${NETIFS[p8]}
+ ol4=${NETIFS[p9]}
+
+ h2=${NETIFS[p10]}
+
+ vrf_prepare
+ h1_create
+ sw1_create
+ sw2_create
+ sw3_create
+ sw4_create
+ h2_create
+
+ forwarding_enable
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ forwarding_restore
+
+ h2_destroy
+ sw4_destroy
+ sw3_destroy
+ sw2_destroy
+ sw1_destroy
+ h1_destroy
+ vrf_cleanup
+}
+
+multipath6_test()
+{
+ local what=$1; shift
+ local weight1=$1; shift
+ local weight2=$1; shift
+
+ sysctl_set net.ipv6.fib_multipath_hash_policy 2
+ ip route replace vrf v$ul21 2001:db8:40::2/128 \
+ nexthop via 2001:db8:81::2 weight $weight1 \
+ nexthop via 2001:db8:82::2 weight $weight2
+
+ local t0_111=$(tc_rule_stats_get $ul32 111 ingress)
+ local t0_222=$(tc_rule_stats_get $ul32 222 ingress)
+
+ ip vrf exec v$h1 \
+ $MZ $h1 -6 -q -p 64 -A "2001:db8:1::2-2001:db8:1::1e" \
+ -B "2001:db8:2::2-2001:db8:2::1e" \
+ -d 1msec -c 50 -t udp "sp=1024,dp=1024"
+ sleep 1
+
+ local t1_111=$(tc_rule_stats_get $ul32 111 ingress)
+ local t1_222=$(tc_rule_stats_get $ul32 222 ingress)
+
+ local d111=$((t1_111 - t0_111))
+ local d222=$((t1_222 - t0_222))
+ multipath_eval "$what" $weight1 $weight2 $d111 $d222
+
+ ip route replace vrf v$ul21 2001:db8:40::2/128 \
+ nexthop via 2001:db8:81::2 \
+ nexthop via 2001:db8:82::2
+ sysctl_restore net.ipv6.fib_multipath_hash_policy
+}
+
+ping_ipv6()
+{
+ ping_test $h1 2001:db8:2::2
+}
+
+multipath_ipv6()
+{
+ log_info "Running IPv6 over GRE over IPv6 multipath tests"
+ multipath6_test "ECMP" 1 1
+ multipath6_test "Weighted MP 2:1" 2 1
+ multipath6_test "Weighted MP 11:45" 11 45
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/ipip_flat_gre.sh b/tools/testing/selftests/net/forwarding/ipip_flat_gre.sh
new file mode 100755
index 000000000000..abb694397b86
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/ipip_flat_gre.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test IP-in-IP GRE tunnel without key.
+# This test uses flat topology for IP tunneling tests. See ipip_lib.sh for more
+# details.
+
+ALL_TESTS="gre_flat4 gre_mtu_change"
+
+NUM_NETIFS=6
+source lib.sh
+source ipip_lib.sh
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ ol1=${NETIFS[p2]}
+
+ ul1=${NETIFS[p3]}
+ ul2=${NETIFS[p4]}
+
+ ol2=${NETIFS[p5]}
+ h2=${NETIFS[p6]}
+
+ forwarding_enable
+ vrf_prepare
+ h1_create
+ h2_create
+ sw1_flat_create gre $ol1 $ul1
+ sw2_flat_create gre $ol2 $ul2
+}
+
+gre_flat4()
+{
+ RET=0
+
+ ping_test $h1 192.0.2.18 " gre flat"
+}
+
+gre_mtu_change()
+{
+ test_mtu_change gre
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ sw2_flat_destroy $ol2 $ul2
+ sw1_flat_destroy $ol1 $ul1
+ h2_destroy
+ h1_destroy
+ vrf_cleanup
+ forwarding_restore
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/ipip_flat_gre_key.sh b/tools/testing/selftests/net/forwarding/ipip_flat_gre_key.sh
new file mode 100755
index 000000000000..c4f373337e48
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/ipip_flat_gre_key.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test IP-in-IP GRE tunnel with key.
+# This test uses flat topology for IP tunneling tests. See ipip_lib.sh for more
+# details.
+
+ALL_TESTS="gre_flat4 gre_mtu_change"
+
+NUM_NETIFS=6
+source lib.sh
+source ipip_lib.sh
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ ol1=${NETIFS[p2]}
+
+ ul1=${NETIFS[p3]}
+ ul2=${NETIFS[p4]}
+
+ ol2=${NETIFS[p5]}
+ h2=${NETIFS[p6]}
+
+ forwarding_enable
+ vrf_prepare
+ h1_create
+ h2_create
+ sw1_flat_create gre $ol1 $ul1 key 233
+ sw2_flat_create gre $ol2 $ul2 key 233
+}
+
+gre_flat4()
+{
+ RET=0
+
+ ping_test $h1 192.0.2.18 " gre flat with key"
+}
+
+gre_mtu_change()
+{
+ test_mtu_change gre
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ sw2_flat_destroy $ol2 $ul2
+ sw1_flat_destroy $ol1 $ul1
+ h2_destroy
+ h1_destroy
+ vrf_cleanup
+ forwarding_restore
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/ipip_flat_gre_keys.sh b/tools/testing/selftests/net/forwarding/ipip_flat_gre_keys.sh
new file mode 100755
index 000000000000..a811130c0627
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/ipip_flat_gre_keys.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test IP-in-IP GRE tunnel with key.
+# This test uses flat topology for IP tunneling tests. See ipip_lib.sh for more
+# details.
+
+ALL_TESTS="gre_flat4 gre_mtu_change"
+
+NUM_NETIFS=6
+source lib.sh
+source ipip_lib.sh
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ ol1=${NETIFS[p2]}
+
+ ul1=${NETIFS[p3]}
+ ul2=${NETIFS[p4]}
+
+ ol2=${NETIFS[p5]}
+ h2=${NETIFS[p6]}
+
+ forwarding_enable
+ vrf_prepare
+ h1_create
+ h2_create
+ sw1_flat_create gre $ol1 $ul1 ikey 111 okey 222
+ sw2_flat_create gre $ol2 $ul2 ikey 222 okey 111
+}
+
+gre_flat4()
+{
+ RET=0
+
+ ping_test $h1 192.0.2.18 " gre flat with ikey/okey"
+}
+
+gre_mtu_change()
+{
+ test_mtu_change gre
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ sw2_flat_destroy $ol2 $ul2
+ sw1_flat_destroy $ol1 $ul1
+ h2_destroy
+ h1_destroy
+ vrf_cleanup
+ forwarding_restore
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/ipip_hier_gre.sh b/tools/testing/selftests/net/forwarding/ipip_hier_gre.sh
new file mode 100755
index 000000000000..05c5b3cf2f78
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/ipip_hier_gre.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test IP-in-IP GRE tunnels without key.
+# This test uses hierarchical topology for IP tunneling tests. See
+# ipip_lib.sh for more details.
+
+ALL_TESTS="gre_hier4 gre_mtu_change"
+
+NUM_NETIFS=6
+source lib.sh
+source ipip_lib.sh
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ ol1=${NETIFS[p2]}
+
+ ul1=${NETIFS[p3]}
+ ul2=${NETIFS[p4]}
+
+ ol2=${NETIFS[p5]}
+ h2=${NETIFS[p6]}
+
+ forwarding_enable
+ vrf_prepare
+ h1_create
+ h2_create
+ sw1_hierarchical_create gre $ol1 $ul1
+ sw2_hierarchical_create gre $ol2 $ul2
+}
+
+gre_hier4()
+{
+ RET=0
+
+ ping_test $h1 192.0.2.18 " gre hierarchical"
+}
+
+gre_mtu_change()
+{
+ test_mtu_change gre
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ sw2_hierarchical_destroy $ol2 $ul2
+ sw1_hierarchical_destroy $ol1 $ul1
+ h2_destroy
+ h1_destroy
+ vrf_cleanup
+ forwarding_restore
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/ipip_hier_gre_key.sh b/tools/testing/selftests/net/forwarding/ipip_hier_gre_key.sh
new file mode 100755
index 000000000000..9b105dbca32a
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/ipip_hier_gre_key.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test IP-in-IP GRE tunnels without key.
+# This test uses hierarchical topology for IP tunneling tests. See
+# ipip_lib.sh for more details.
+
+ALL_TESTS="gre_hier4 gre_mtu_change"
+
+NUM_NETIFS=6
+source lib.sh
+source ipip_lib.sh
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ ol1=${NETIFS[p2]}
+
+ ul1=${NETIFS[p3]}
+ ul2=${NETIFS[p4]}
+
+ ol2=${NETIFS[p5]}
+ h2=${NETIFS[p6]}
+
+ forwarding_enable
+ vrf_prepare
+ h1_create
+ h2_create
+ sw1_hierarchical_create gre $ol1 $ul1 key 22
+ sw2_hierarchical_create gre $ol2 $ul2 key 22
+}
+
+gre_hier4()
+{
+ RET=0
+
+ ping_test $h1 192.0.2.18 " gre hierarchical with key"
+}
+
+gre_mtu_change()
+{
+ test_mtu_change gre
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ sw2_hierarchical_destroy $ol2 $ul2
+ sw1_hierarchical_destroy $ol1 $ul1
+ h2_destroy
+ h1_destroy
+ vrf_cleanup
+ forwarding_restore
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/ipip_hier_gre_keys.sh b/tools/testing/selftests/net/forwarding/ipip_hier_gre_keys.sh
new file mode 100755
index 000000000000..e275d25bd83a
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/ipip_hier_gre_keys.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test IP-in-IP GRE tunnels without key.
+# This test uses hierarchical topology for IP tunneling tests. See
+# ipip_lib.sh for more details.
+
+ALL_TESTS="gre_hier4 gre_mtu_change"
+
+NUM_NETIFS=6
+source lib.sh
+source ipip_lib.sh
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ ol1=${NETIFS[p2]}
+
+ ul1=${NETIFS[p3]}
+ ul2=${NETIFS[p4]}
+
+ ol2=${NETIFS[p5]}
+ h2=${NETIFS[p6]}
+
+ forwarding_enable
+ vrf_prepare
+ h1_create
+ h2_create
+ sw1_hierarchical_create gre $ol1 $ul1 ikey 111 okey 222
+ sw2_hierarchical_create gre $ol2 $ul2 ikey 222 okey 111
+}
+
+gre_hier4()
+{
+ RET=0
+
+ ping_test $h1 192.0.2.18 " gre hierarchical with ikey/okey"
+}
+
+gre_mtu_change()
+{
+ test_mtu_change gre
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ sw2_hierarchical_destroy $ol2 $ul2
+ sw1_hierarchical_destroy $ol1 $ul1
+ h2_destroy
+ h1_destroy
+ vrf_cleanup
+ forwarding_restore
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/ipip_lib.sh b/tools/testing/selftests/net/forwarding/ipip_lib.sh
new file mode 100644
index 000000000000..30f36a57bae6
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/ipip_lib.sh
@@ -0,0 +1,349 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Handles creation and destruction of IP-in-IP or GRE tunnels over the given
+# topology. Supports both flat and hierarchical models.
+#
+# Flat Model:
+# Overlay and underlay share the same VRF.
+# SW1 uses default VRF so tunnel has no bound dev.
+# SW2 uses non-default VRF tunnel has a bound dev.
+# +-------------------------+
+# | H1 |
+# | $h1 + |
+# | 192.0.2.1/28 | |
+# +-------------------|-----+
+# |
+# +-------------------|-----+
+# | SW1 | |
+# | $ol1 + |
+# | 192.0.2.2/28 |
+# | |
+# | + g1a (gre) |
+# | loc=192.0.2.65 |
+# | rem=192.0.2.66 --. |
+# | tos=inherit | |
+# | .------------------' |
+# | | |
+# | v |
+# | + $ul1.111 (vlan) |
+# | | 192.0.2.129/28 |
+# | \ |
+# | \_______ |
+# | | |
+# |VRF default + $ul1 |
+# +------------|------------+
+# |
+# +------------|------------+
+# | SW2 + $ul2 |
+# | _______| |
+# | / |
+# | / |
+# | + $ul2.111 (vlan) |
+# | ^ 192.0.2.130/28 |
+# | | |
+# | | |
+# | '------------------. |
+# | + g2a (gre) | |
+# | loc=192.0.2.66 | |
+# | rem=192.0.2.65 --' |
+# | tos=inherit |
+# | |
+# | $ol2 + |
+# | 192.0.2.17/28 | |
+# | VRF v$ol2 | |
+# +-------------------|-----+
+# |
+# +-------------------|-----+
+# | H2 | |
+# | $h2 + |
+# | 192.0.2.18/28 |
+# +-------------------------+
+#
+# Hierarchical model:
+# The tunnel is bound to a device in a different VRF
+#
+# +---------------------------+
+# | H1 |
+# | $h1 + |
+# | 192.0.2.1/28 | |
+# +-------------------|-------+
+# |
+# +-------------------|-------+
+# | SW1 | |
+# | +-----------------|-----+ |
+# | | $ol1 + | |
+# | | 192.0.2.2/28 | |
+# | | | |
+# | | + g1a (gre) | |
+# | | rem=192.0.2.66 | |
+# | | tos=inherit | |
+# | | loc=192.0.2.65 | |
+# | | ^ | |
+# | | VRF v$ol1 | | |
+# | +-----------|-----------+ |
+# | | |
+# | +-----------|-----------+ |
+# | | VRF v$ul1 | | |
+# | | | | |
+# | | | | |
+# | | v | |
+# | | dummy1 + | |
+# | | 192.0.2.65 | |
+# | | .-------' | |
+# | | | | |
+# | | v | |
+# | | + $ul1.111 (vlan) | |
+# | | | 192.0.2.129/28 | |
+# | | \ | |
+# | | \_____ | |
+# | | | | |
+# | | + $ul1 | |
+# | +----------|------------+ |
+# +------------|--------------+
+# |
+# +------------|--------------+
+# | SW2 | |
+# | +----------|------------+ |
+# | | + $ul2 | |
+# | | _____| | |
+# | | / | |
+# | | / | |
+# | | | $ul2.111 (vlan) | |
+# | | + 192.0.2.130/28 | |
+# | | ^ | |
+# | | | | |
+# | | '-------. | |
+# | | dummy2 + | |
+# | | 192.0.2.66 | |
+# | | ^ | |
+# | | | | |
+# | | | | |
+# | | VRF v$ul2 | | |
+# | +-----------|-----------+ |
+# | | |
+# | +-----------|-----------+ |
+# | | VRF v$ol2 | | |
+# | | | | |
+# | | v | |
+# | | g2a (gre)+ | |
+# | | loc=192.0.2.66 | |
+# | | rem=192.0.2.65 | |
+# | | tos=inherit | |
+# | | | |
+# | | $ol2 + | |
+# | | 192.0.2.17/28 | | |
+# | +-----------------|-----+ |
+# +-------------------|-------+
+# |
+# +-------------------|-------+
+# | H2 | |
+# | $h2 + |
+# | 192.0.2.18/28 |
+# +---------------------------+
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64
+ ip route add vrf v$h1 192.0.2.16/28 via 192.0.2.2
+}
+
+h1_destroy()
+{
+ ip route del vrf v$h1 192.0.2.16/28 via 192.0.2.2
+ simple_if_fini $h1 192.0.2.1/28
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.2.18/28
+ ip route add vrf v$h2 192.0.2.0/28 via 192.0.2.17
+}
+
+h2_destroy()
+{
+ ip route del vrf v$h2 192.0.2.0/28 via 192.0.2.17
+ simple_if_fini $h2 192.0.2.18/28
+}
+
+sw1_flat_create()
+{
+ local type=$1; shift
+ local ol1=$1; shift
+ local ul1=$1; shift
+
+ ip link set dev $ol1 up
+ __addr_add_del $ol1 add "192.0.2.2/28"
+
+ ip link set dev $ul1 up
+ vlan_create $ul1 111 "" 192.0.2.129/28
+
+ tunnel_create g1a $type 192.0.2.65 192.0.2.66 tos inherit "$@"
+ ip link set dev g1a up
+ __addr_add_del g1a add "192.0.2.65/32"
+
+ ip route add 192.0.2.66/32 via 192.0.2.130
+
+ ip route add 192.0.2.16/28 nexthop dev g1a
+}
+
+sw1_flat_destroy()
+{
+ local ol1=$1; shift
+ local ul1=$1; shift
+
+ ip route del 192.0.2.16/28
+
+ ip route del 192.0.2.66/32 via 192.0.2.130
+ __simple_if_fini g1a 192.0.2.65/32
+ tunnel_destroy g1a
+
+ vlan_destroy $ul1 111
+ __simple_if_fini $ul1
+ __simple_if_fini $ol1 192.0.2.2/28
+}
+
+sw2_flat_create()
+{
+ local type=$1; shift
+ local ol2=$1; shift
+ local ul2=$1; shift
+
+ simple_if_init $ol2 192.0.2.17/28
+ __simple_if_init $ul2 v$ol2
+ vlan_create $ul2 111 v$ol2 192.0.2.130/28
+
+ tunnel_create g2a $type 192.0.2.66 192.0.2.65 tos inherit dev v$ol2 \
+ "$@"
+ __simple_if_init g2a v$ol2 192.0.2.66/32
+
+ ip route add vrf v$ol2 192.0.2.65/32 via 192.0.2.129
+ ip route add vrf v$ol2 192.0.2.0/28 nexthop dev g2a
+}
+
+sw2_flat_destroy()
+{
+ local ol2=$1; shift
+ local ul2=$1; shift
+
+ ip route del vrf v$ol2 192.0.2.0/28
+
+ ip route del vrf v$ol2 192.0.2.65/32 via 192.0.2.129
+ __simple_if_fini g2a 192.0.2.66/32
+ tunnel_destroy g2a
+
+ vlan_destroy $ul2 111
+ __simple_if_fini $ul2
+ simple_if_fini $ol2 192.0.2.17/28
+}
+
+sw1_hierarchical_create()
+{
+ local type=$1; shift
+ local ol1=$1; shift
+ local ul1=$1; shift
+
+ simple_if_init $ol1 192.0.2.2/28
+ simple_if_init $ul1
+ ip link add name dummy1 type dummy
+ __simple_if_init dummy1 v$ul1 192.0.2.65/32
+
+ vlan_create $ul1 111 v$ul1 192.0.2.129/28
+ tunnel_create g1a $type 192.0.2.65 192.0.2.66 tos inherit dev dummy1 \
+ "$@"
+ ip link set dev g1a master v$ol1
+
+ ip route add vrf v$ul1 192.0.2.66/32 via 192.0.2.130
+ ip route add vrf v$ol1 192.0.2.16/28 nexthop dev g1a
+}
+
+sw1_hierarchical_destroy()
+{
+ local ol1=$1; shift
+ local ul1=$1; shift
+
+ ip route del vrf v$ol1 192.0.2.16/28
+ ip route del vrf v$ul1 192.0.2.66/32
+
+ tunnel_destroy g1a
+ vlan_destroy $ul1 111
+
+ __simple_if_fini dummy1 192.0.2.65/32
+ ip link del dev dummy1
+
+ simple_if_fini $ul1
+ simple_if_fini $ol1 192.0.2.2/28
+}
+
+sw2_hierarchical_create()
+{
+ local type=$1; shift
+ local ol2=$1; shift
+ local ul2=$1; shift
+
+ simple_if_init $ol2 192.0.2.17/28
+ simple_if_init $ul2
+
+ ip link add name dummy2 type dummy
+ __simple_if_init dummy2 v$ul2 192.0.2.66/32
+
+ vlan_create $ul2 111 v$ul2 192.0.2.130/28
+ tunnel_create g2a $type 192.0.2.66 192.0.2.65 tos inherit dev dummy2 \
+ "$@"
+ ip link set dev g2a master v$ol2
+
+ ip route add vrf v$ul2 192.0.2.65/32 via 192.0.2.129
+ ip route add vrf v$ol2 192.0.2.0/28 nexthop dev g2a
+}
+
+sw2_hierarchical_destroy()
+{
+ local ol2=$1; shift
+ local ul2=$1; shift
+
+ ip route del vrf v$ol2 192.0.2.0/28
+ ip route del vrf v$ul2 192.0.2.65/32
+
+ tunnel_destroy g2a
+ vlan_destroy $ul2 111
+
+ __simple_if_fini dummy2 192.0.2.66/32
+ ip link del dev dummy2
+
+ simple_if_fini $ul2
+ simple_if_fini $ol2 192.0.2.17/28
+}
+
+topo_mtu_change()
+{
+ local mtu=$1
+
+ ip link set mtu $mtu dev $h1
+ ip link set mtu $mtu dev $ol1
+ ip link set mtu $mtu dev g1a
+ ip link set mtu $mtu dev $ul1
+ ip link set mtu $mtu dev $ul1.111
+ ip link set mtu $mtu dev $h2
+ ip link set mtu $mtu dev $ol2
+ ip link set mtu $mtu dev g2a
+ ip link set mtu $mtu dev $ul2
+ ip link set mtu $mtu dev $ul2.111
+}
+
+test_mtu_change()
+{
+ local encap=$1; shift
+
+ RET=0
+
+ ping_do $h1 192.0.2.18 "-s 1800 -w 3"
+ check_fail $? "ping $encap should not pass with size 1800"
+
+ RET=0
+
+ topo_mtu_change 2000
+ ping_do $h1 192.0.2.18 "-s 1800 -w 3"
+ check_err $?
+ log_test "ping $encap packet size 1800 after MTU change"
+}
diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 3f248d1f5b91..9385dc971269 100644
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -17,6 +17,7 @@ NETIF_TYPE=${NETIF_TYPE:=veth}
NETIF_CREATE=${NETIF_CREATE:=yes}
MCD=${MCD:=smcrouted}
MC_CLI=${MC_CLI:=smcroutectl}
+PING_TIMEOUT=${PING_TIMEOUT:=5}
relative_path="${BASH_SOURCE%/*}"
if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then
@@ -211,7 +212,7 @@ log_test()
return 1
fi
- printf "TEST: %-60s [PASS]\n" "$test_name $opt_str"
+ printf "TEST: %-60s [ OK ]\n" "$test_name $opt_str"
return 0
}
@@ -820,7 +821,8 @@ ping_do()
local vrf_name
vrf_name=$(master_name_get $if_name)
- ip vrf exec $vrf_name $PING $args $dip -c 10 -i 0.1 -w 2 &> /dev/null
+ ip vrf exec $vrf_name \
+ $PING $args $dip -c 10 -i 0.1 -w $PING_TIMEOUT &> /dev/null
}
ping_test()
@@ -840,7 +842,8 @@ ping6_do()
local vrf_name
vrf_name=$(master_name_get $if_name)
- ip vrf exec $vrf_name $PING6 $args $dip -c 10 -i 0.1 -w 2 &> /dev/null
+ ip vrf exec $vrf_name \
+ $PING6 $args $dip -c 10 -i 0.1 -w $PING_TIMEOUT &> /dev/null
}
ping6_test()
diff --git a/tools/testing/selftests/net/forwarding/loopback.sh b/tools/testing/selftests/net/forwarding/loopback.sh
new file mode 100755
index 000000000000..6e4626ae71b0
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/loopback.sh
@@ -0,0 +1,94 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+ALL_TESTS="loopback_test"
+NUM_NETIFS=2
+source tc_common.sh
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/24
+ tc qdisc add dev $h1 clsact
+}
+
+h1_destroy()
+{
+ tc qdisc del dev $h1 clsact
+ simple_if_fini $h1 192.0.2.1/24
+}
+
+h2_create()
+{
+ simple_if_init $h2
+}
+
+h2_destroy()
+{
+ simple_if_fini $h2
+}
+
+loopback_test()
+{
+ RET=0
+
+ tc filter add dev $h1 ingress protocol arp pref 1 handle 101 flower \
+ skip_hw arp_op reply arp_tip 192.0.2.1 action drop
+
+ $MZ $h1 -c 1 -t arp -q
+
+ tc_check_packets "dev $h1 ingress" 101 1
+ check_fail $? "Matched on a filter without loopback setup"
+
+ ethtool -K $h1 loopback on
+ check_err $? "Failed to enable loopback"
+
+ setup_wait_dev $h1
+
+ $MZ $h1 -c 1 -t arp -q
+
+ tc_check_packets "dev $h1 ingress" 101 1
+ check_err $? "Did not match on filter with loopback"
+
+ ethtool -K $h1 loopback off
+ check_err $? "Failed to disable loopback"
+
+ $MZ $h1 -c 1 -t arp -q
+
+ tc_check_packets "dev $h1 ingress" 101 2
+ check_fail $? "Matched on a filter after loopback was removed"
+
+ tc filter del dev $h1 ingress protocol arp pref 1 handle 101 flower
+
+ log_test "loopback"
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ h2=${NETIFS[p2]}
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q_lag.sh b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q_lag.sh
index 61844caf671e..28d568c48a73 100755
--- a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q_lag.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q_lag.sh
@@ -190,6 +190,8 @@ setup_prepare()
h4_create
switch_create
+ forwarding_enable
+
trap_install $h3 ingress
trap_install $h4 ingress
}
@@ -201,6 +203,8 @@ cleanup()
trap_uninstall $h4 ingress
trap_uninstall $h3 ingress
+ forwarding_restore
+
switch_destroy
h4_destroy
h3_destroy
@@ -220,11 +224,15 @@ test_lag_slave()
RET=0
+ tc filter add dev $swp1 ingress pref 999 \
+ proto 802.1q flower vlan_ethtype arp $tcflags \
+ action pass
mirror_install $swp1 ingress gt4 \
- "proto 802.1q flower vlan_id 333 $tcflags"
+ "proto 802.1q flower vlan_id 333 $tcflags"
# Test connectivity through $up_dev when $down_dev is set down.
ip link set dev $down_dev down
+ ip neigh flush dev br1
setup_wait_dev $up_dev
setup_wait_dev $host_dev
$ARPING -I br1 192.0.2.130 -qfc 1
@@ -240,6 +248,7 @@ test_lag_slave()
ip link set dev $up_dev up
ip link set dev $down_dev up
mirror_uninstall $swp1 ingress
+ tc filter del dev $swp1 ingress pref 999
log_test "$what ($tcflags)"
}
diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh b/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh
index 135902aa8b11..472bd023e2a5 100755
--- a/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_changes.sh
@@ -79,6 +79,7 @@ test_span_gre_ttl()
mirror_test v$h1 192.0.2.1 192.0.2.2 $h3 77 0
ip link set dev $tundev type $type ttl 50
+ sleep 2
mirror_test v$h1 192.0.2.1 192.0.2.2 $h3 77 10
ip link set dev $tundev type $type ttl 100
diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_flower.sh b/tools/testing/selftests/net/forwarding/mirror_gre_flower.sh
index 12914f40612d..09389f3b9369 100755
--- a/tools/testing/selftests/net/forwarding/mirror_gre_flower.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_flower.sh
@@ -81,6 +81,8 @@ full_test_span_gre_dir_acl()
local match_dip=$1; shift
local what=$1; shift
+ RET=0
+
mirror_install $swp1 $direction $tundev \
"protocol ip flower $tcflags dst_ip $match_dip"
fail_test_span_gre_dir $tundev $direction
@@ -108,8 +110,6 @@ test_ip6gretap()
test_all()
{
- RET=0
-
slow_path_trap_install $swp1 ingress
slow_path_trap_install $swp1 egress
diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_vlan_bridge_1q.sh b/tools/testing/selftests/net/forwarding/mirror_gre_vlan_bridge_1q.sh
index 204b25f13934..c02291e9841e 100755
--- a/tools/testing/selftests/net/forwarding/mirror_gre_vlan_bridge_1q.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_gre_vlan_bridge_1q.sh
@@ -1,11 +1,44 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
-# This test uses standard topology for testing gretap. See
-# mirror_gre_topo_lib.sh for more details.
-#
# Test for "tc action mirred egress mirror" when the underlay route points at a
# vlan device on top of a bridge device with vlan filtering (802.1q).
+#
+# +---------------------+ +---------------------+
+# | H1 | | H2 |
+# | + $h1 | | $h2 + |
+# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
+# +-----|---------------+ +---------------|-----+
+# | |
+# +-----|-------------------------------------------------------------|-----+
+# | SW o--> mirred egress mirror dev {gt4,gt6} | |
+# | | | |
+# | +---|-------------------------------------------------------------|---+ |
+# | | + $swp1 br1 $swp2 + | |
+# | | | |
+# | | + $swp3 | |
+# | +---|-----------------------------------------------------------------+ |
+# | | | |
+# | | + br1.555 |
+# | | 192.0.2.130/28 |
+# | | 2001:db8:2::2/64 |
+# | | |
+# | | + gt6 (ip6gretap) + gt4 (gretap) |
+# | | : loc=2001:db8:2::1 : loc=192.0.2.129 |
+# | | : rem=2001:db8:2::2 : rem=192.0.2.130 |
+# | | : ttl=100 : ttl=100 |
+# | | : tos=inherit : tos=inherit |
+# | | : : |
+# +-----|---------------------:----------------------:----------------------+
+# | : :
+# +-----|---------------------:----------------------:----------------------+
+# | H3 + $h3 + h3-gt6 (ip6gretap) + h3-gt4 (gretap) |
+# | | loc=2001:db8:2::2 loc=192.0.2.130 |
+# | + $h3.555 rem=2001:db8:2::1 rem=192.0.2.129 |
+# | 192.0.2.130/28 ttl=100 ttl=100 |
+# | 2001:db8:2::2/64 tos=inherit tos=inherit |
+# | |
+# +-------------------------------------------------------------------------+
ALL_TESTS="
test_gretap
@@ -30,6 +63,15 @@ source mirror_gre_topo_lib.sh
require_command $ARPING
+h3_addr_add_del()
+{
+ local add_del=$1; shift
+ local dev=$1; shift
+
+ ip addr $add_del dev $dev 192.0.2.130/28
+ ip addr $add_del dev $dev 2001:db8:2::2/64
+}
+
setup_prepare()
{
h1=${NETIFS[p1]}
@@ -55,7 +97,8 @@ setup_prepare()
ip route rep 192.0.2.130/32 dev br1.555
ip -6 route rep 2001:db8:2::2/128 dev br1.555
- vlan_create $h3 555 v$h3 192.0.2.130/28 2001:db8:2::2/64
+ vlan_create $h3 555 v$h3
+ h3_addr_add_del add $h3.555
ip link set dev $swp3 master br1
bridge vlan add dev $swp3 vid 555
@@ -68,6 +111,8 @@ cleanup()
ip link set dev $swp2 nomaster
ip link set dev $swp3 nomaster
+
+ h3_addr_add_del del $h3.555
vlan_destroy $h3 555
vlan_destroy br1 555
@@ -182,13 +227,19 @@ test_span_gre_untagged_egress()
quick_test_span_gre_dir $tundev ingress
quick_test_span_vlan_dir $h3 555 ingress
+ h3_addr_add_del del $h3.555
bridge vlan add dev $swp3 vid 555 pvid untagged
- sleep 1
+ h3_addr_add_del add $h3
+ sleep 5
+
quick_test_span_gre_dir $tundev ingress
fail_test_span_vlan_dir $h3 555 ingress
+ h3_addr_add_del del $h3
bridge vlan add dev $swp3 vid 555
- sleep 1
+ h3_addr_add_del add $h3.555
+ sleep 5
+
quick_test_span_gre_dir $tundev ingress
quick_test_span_vlan_dir $h3 555 ingress
@@ -218,12 +269,25 @@ test_span_gre_fdb_roaming()
mirror_install $swp1 ingress $tundev "matchall $tcflags"
quick_test_span_gre_dir $tundev ingress
- bridge fdb del dev $swp3 $h3mac vlan 555 master
- bridge fdb add dev $swp2 $h3mac vlan 555 master
- sleep 1
- fail_test_span_gre_dir $tundev ingress
-
- bridge fdb del dev $swp2 $h3mac vlan 555 master
+ while ((RET == 0)); do
+ bridge fdb del dev $swp3 $h3mac vlan 555 master 2>/dev/null
+ bridge fdb add dev $swp2 $h3mac vlan 555 master
+ sleep 1
+ fail_test_span_gre_dir $tundev ingress
+
+ if ! bridge fdb sh dev $swp2 vlan 555 master \
+ | grep -q $h3mac; then
+ printf "TEST: %-60s [RETRY]\n" \
+ "$what: MAC roaming ($tcflags)"
+ # ARP or ND probably reprimed the FDB while the test
+ # was running. We would get a spurious failure.
+ RET=0
+ continue
+ fi
+ break
+ done
+
+ bridge fdb del dev $swp2 $h3mac vlan 555 master 2>/dev/null
# Re-prime FDB
$ARPING -I br1.555 192.0.2.130 -fqc 1
sleep 1
diff --git a/tools/testing/selftests/net/forwarding/mirror_lib.sh b/tools/testing/selftests/net/forwarding/mirror_lib.sh
index 07991e1025c7..00797597fcf5 100644
--- a/tools/testing/selftests/net/forwarding/mirror_lib.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_lib.sh
@@ -29,9 +29,12 @@ mirror_test()
local pref=$1; shift
local expect=$1; shift
+ local ping_timeout=$((PING_TIMEOUT * 5))
local t0=$(tc_rule_stats_get $dev $pref)
ip vrf exec $vrf_name \
- ${PING} ${sip:+-I $sip} $dip -c 10 -i 0.1 -w 2 &> /dev/null
+ ${PING} ${sip:+-I $sip} $dip -c 10 -i 0.5 -w $ping_timeout \
+ &> /dev/null
+ sleep 0.5
local t1=$(tc_rule_stats_get $dev $pref)
local delta=$((t1 - t0))
# Tolerate a couple stray extra packets.
diff --git a/tools/testing/selftests/net/forwarding/router_broadcast.sh b/tools/testing/selftests/net/forwarding/router_broadcast.sh
index 7bd2ebb6e9de..4eac0a06f451 100755
--- a/tools/testing/selftests/net/forwarding/router_broadcast.sh
+++ b/tools/testing/selftests/net/forwarding/router_broadcast.sh
@@ -145,16 +145,19 @@ bc_forwarding_disable()
{
sysctl_set net.ipv4.conf.all.bc_forwarding 0
sysctl_set net.ipv4.conf.$rp1.bc_forwarding 0
+ sysctl_set net.ipv4.conf.$rp2.bc_forwarding 0
}
bc_forwarding_enable()
{
sysctl_set net.ipv4.conf.all.bc_forwarding 1
sysctl_set net.ipv4.conf.$rp1.bc_forwarding 1
+ sysctl_set net.ipv4.conf.$rp2.bc_forwarding 1
}
bc_forwarding_restore()
{
+ sysctl_restore net.ipv4.conf.$rp2.bc_forwarding
sysctl_restore net.ipv4.conf.$rp1.bc_forwarding
sysctl_restore net.ipv4.conf.all.bc_forwarding
}
@@ -170,7 +173,8 @@ ping_test_from()
log_info "ping $dip, expected reply from $from"
ip vrf exec $(master_name_get $oif) \
- $PING -I $oif $dip -c 10 -i 0.1 -w 2 -b 2>&1 | grep $from &> /dev/null
+ $PING -I $oif $dip -c 10 -i 0.1 -w $PING_TIMEOUT -b 2>&1 \
+ | grep "bytes from $from" > /dev/null
check_err_fail $fail $?
}
diff --git a/tools/testing/selftests/net/forwarding/router_mpath_nh.sh b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh
new file mode 100755
index 000000000000..cf3d26c233e8
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh
@@ -0,0 +1,359 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+ALL_TESTS="ping_ipv4 ping_ipv6 multipath_test"
+NUM_NETIFS=8
+source lib.sh
+
+h1_create()
+{
+ vrf_create "vrf-h1"
+ ip link set dev $h1 master vrf-h1
+
+ ip link set dev vrf-h1 up
+ ip link set dev $h1 up
+
+ ip address add 192.0.2.2/24 dev $h1
+ ip address add 2001:db8:1::2/64 dev $h1
+
+ ip route add 198.51.100.0/24 vrf vrf-h1 nexthop via 192.0.2.1
+ ip route add 2001:db8:2::/64 vrf vrf-h1 nexthop via 2001:db8:1::1
+}
+
+h1_destroy()
+{
+ ip route del 2001:db8:2::/64 vrf vrf-h1
+ ip route del 198.51.100.0/24 vrf vrf-h1
+
+ ip address del 2001:db8:1::2/64 dev $h1
+ ip address del 192.0.2.2/24 dev $h1
+
+ ip link set dev $h1 down
+ vrf_destroy "vrf-h1"
+}
+
+h2_create()
+{
+ vrf_create "vrf-h2"
+ ip link set dev $h2 master vrf-h2
+
+ ip link set dev vrf-h2 up
+ ip link set dev $h2 up
+
+ ip address add 198.51.100.2/24 dev $h2
+ ip address add 2001:db8:2::2/64 dev $h2
+
+ ip route add 192.0.2.0/24 vrf vrf-h2 nexthop via 198.51.100.1
+ ip route add 2001:db8:1::/64 vrf vrf-h2 nexthop via 2001:db8:2::1
+}
+
+h2_destroy()
+{
+ ip route del 2001:db8:1::/64 vrf vrf-h2
+ ip route del 192.0.2.0/24 vrf vrf-h2
+
+ ip address del 2001:db8:2::2/64 dev $h2
+ ip address del 198.51.100.2/24 dev $h2
+
+ ip link set dev $h2 down
+ vrf_destroy "vrf-h2"
+}
+
+router1_create()
+{
+ vrf_create "vrf-r1"
+ ip link set dev $rp11 master vrf-r1
+ ip link set dev $rp12 master vrf-r1
+ ip link set dev $rp13 master vrf-r1
+
+ ip link set dev vrf-r1 up
+ ip link set dev $rp11 up
+ ip link set dev $rp12 up
+ ip link set dev $rp13 up
+
+ ip address add 192.0.2.1/24 dev $rp11
+ ip address add 2001:db8:1::1/64 dev $rp11
+
+ ip address add 169.254.2.12/24 dev $rp12
+ ip address add fe80:2::12/64 dev $rp12
+
+ ip address add 169.254.3.13/24 dev $rp13
+ ip address add fe80:3::13/64 dev $rp13
+}
+
+router1_destroy()
+{
+ ip route del 2001:db8:2::/64 vrf vrf-r1
+ ip route del 198.51.100.0/24 vrf vrf-r1
+
+ ip address del fe80:3::13/64 dev $rp13
+ ip address del 169.254.3.13/24 dev $rp13
+
+ ip address del fe80:2::12/64 dev $rp12
+ ip address del 169.254.2.12/24 dev $rp12
+
+ ip address del 2001:db8:1::1/64 dev $rp11
+ ip address del 192.0.2.1/24 dev $rp11
+
+ ip nexthop del id 103
+ ip nexthop del id 101
+ ip nexthop del id 102
+ ip nexthop del id 106
+ ip nexthop del id 104
+ ip nexthop del id 105
+
+ ip link set dev $rp13 down
+ ip link set dev $rp12 down
+ ip link set dev $rp11 down
+
+ vrf_destroy "vrf-r1"
+}
+
+router2_create()
+{
+ vrf_create "vrf-r2"
+ ip link set dev $rp21 master vrf-r2
+ ip link set dev $rp22 master vrf-r2
+ ip link set dev $rp23 master vrf-r2
+
+ ip link set dev vrf-r2 up
+ ip link set dev $rp21 up
+ ip link set dev $rp22 up
+ ip link set dev $rp23 up
+
+ ip address add 198.51.100.1/24 dev $rp21
+ ip address add 2001:db8:2::1/64 dev $rp21
+
+ ip address add 169.254.2.22/24 dev $rp22
+ ip address add fe80:2::22/64 dev $rp22
+
+ ip address add 169.254.3.23/24 dev $rp23
+ ip address add fe80:3::23/64 dev $rp23
+}
+
+router2_destroy()
+{
+ ip route del 2001:db8:1::/64 vrf vrf-r2
+ ip route del 192.0.2.0/24 vrf vrf-r2
+
+ ip address del fe80:3::23/64 dev $rp23
+ ip address del 169.254.3.23/24 dev $rp23
+
+ ip address del fe80:2::22/64 dev $rp22
+ ip address del 169.254.2.22/24 dev $rp22
+
+ ip address del 2001:db8:2::1/64 dev $rp21
+ ip address del 198.51.100.1/24 dev $rp21
+
+ ip nexthop del id 201
+ ip nexthop del id 202
+ ip nexthop del id 204
+ ip nexthop del id 205
+
+ ip link set dev $rp23 down
+ ip link set dev $rp22 down
+ ip link set dev $rp21 down
+
+ vrf_destroy "vrf-r2"
+}
+
+routing_nh_obj()
+{
+ ip nexthop add id 101 via 169.254.2.22 dev $rp12
+ ip nexthop add id 102 via 169.254.3.23 dev $rp13
+ ip nexthop add id 103 group 101/102
+ ip route add 198.51.100.0/24 vrf vrf-r1 nhid 103
+
+ ip nexthop add id 104 via fe80:2::22 dev $rp12
+ ip nexthop add id 105 via fe80:3::23 dev $rp13
+ ip nexthop add id 106 group 104/105
+ ip route add 2001:db8:2::/64 vrf vrf-r1 nhid 106
+
+ ip nexthop add id 201 via 169.254.2.12 dev $rp22
+ ip nexthop add id 202 via 169.254.3.13 dev $rp23
+ ip nexthop add id 203 group 201/202
+ ip route add 192.0.2.0/24 vrf vrf-r2 nhid 203
+
+ ip nexthop add id 204 via fe80:2::12 dev $rp22
+ ip nexthop add id 205 via fe80:3::13 dev $rp23
+ ip nexthop add id 206 group 204/205
+ ip route add 2001:db8:1::/64 vrf vrf-r2 nhid 206
+}
+
+multipath4_test()
+{
+ local desc="$1"
+ local weight_rp12=$2
+ local weight_rp13=$3
+ local t0_rp12 t0_rp13 t1_rp12 t1_rp13
+ local packets_rp12 packets_rp13
+
+ # Transmit multiple flows from h1 to h2 and make sure they are
+ # distributed between both multipath links (rp12 and rp13)
+ # according to the configured weights.
+ sysctl_set net.ipv4.fib_multipath_hash_policy 1
+ ip nexthop replace id 103 group 101,$weight_rp12/102,$weight_rp13
+
+ t0_rp12=$(link_stats_tx_packets_get $rp12)
+ t0_rp13=$(link_stats_tx_packets_get $rp13)
+
+ ip vrf exec vrf-h1 $MZ -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
+ -d 1msec -t udp "sp=1024,dp=0-32768"
+
+ t1_rp12=$(link_stats_tx_packets_get $rp12)
+ t1_rp13=$(link_stats_tx_packets_get $rp13)
+
+ let "packets_rp12 = $t1_rp12 - $t0_rp12"
+ let "packets_rp13 = $t1_rp13 - $t0_rp13"
+ multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13
+
+ # Restore settings.
+ ip nexthop replace id 103 group 101/102
+ sysctl_restore net.ipv4.fib_multipath_hash_policy
+}
+
+multipath6_l4_test()
+{
+ local desc="$1"
+ local weight_rp12=$2
+ local weight_rp13=$3
+ local t0_rp12 t0_rp13 t1_rp12 t1_rp13
+ local packets_rp12 packets_rp13
+
+ # Transmit multiple flows from h1 to h2 and make sure they are
+ # distributed between both multipath links (rp12 and rp13)
+ # according to the configured weights.
+ sysctl_set net.ipv6.fib_multipath_hash_policy 1
+
+ ip nexthop replace id 106 group 104,$weight_rp12/105,$weight_rp13
+
+ t0_rp12=$(link_stats_tx_packets_get $rp12)
+ t0_rp13=$(link_stats_tx_packets_get $rp13)
+
+ $MZ $h1 -6 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:2::2 \
+ -d 1msec -t udp "sp=1024,dp=0-32768"
+
+ t1_rp12=$(link_stats_tx_packets_get $rp12)
+ t1_rp13=$(link_stats_tx_packets_get $rp13)
+
+ let "packets_rp12 = $t1_rp12 - $t0_rp12"
+ let "packets_rp13 = $t1_rp13 - $t0_rp13"
+ multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13
+
+ ip nexthop replace id 106 group 104/105
+
+ sysctl_restore net.ipv6.fib_multipath_hash_policy
+}
+
+multipath6_test()
+{
+ local desc="$1"
+ local weight_rp12=$2
+ local weight_rp13=$3
+ local t0_rp12 t0_rp13 t1_rp12 t1_rp13
+ local packets_rp12 packets_rp13
+
+ ip nexthop replace id 106 group 104,$weight_rp12/105,$weight_rp13
+
+ t0_rp12=$(link_stats_tx_packets_get $rp12)
+ t0_rp13=$(link_stats_tx_packets_get $rp13)
+
+ # Generate 16384 echo requests, each with a random flow label.
+ for _ in $(seq 1 16384); do
+ ip vrf exec vrf-h1 $PING6 2001:db8:2::2 -F 0 -c 1 -q >/dev/null 2>&1
+ done
+
+ t1_rp12=$(link_stats_tx_packets_get $rp12)
+ t1_rp13=$(link_stats_tx_packets_get $rp13)
+
+ let "packets_rp12 = $t1_rp12 - $t0_rp12"
+ let "packets_rp13 = $t1_rp13 - $t0_rp13"
+ multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13
+
+ ip nexthop replace id 106 group 104/105
+}
+
+multipath_test()
+{
+ log_info "Running IPv4 multipath tests"
+ multipath4_test "ECMP" 1 1
+ multipath4_test "Weighted MP 2:1" 2 1
+ multipath4_test "Weighted MP 11:45" 11 45
+
+ log_info "Running IPv6 multipath tests"
+ multipath6_test "ECMP" 1 1
+ multipath6_test "Weighted MP 2:1" 2 1
+ multipath6_test "Weighted MP 11:45" 11 45
+
+ log_info "Running IPv6 L4 hash multipath tests"
+ multipath6_l4_test "ECMP" 1 1
+ multipath6_l4_test "Weighted MP 2:1" 2 1
+ multipath6_l4_test "Weighted MP 11:45" 11 45
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ rp11=${NETIFS[p2]}
+
+ rp12=${NETIFS[p3]}
+ rp22=${NETIFS[p4]}
+
+ rp13=${NETIFS[p5]}
+ rp23=${NETIFS[p6]}
+
+ rp21=${NETIFS[p7]}
+ h2=${NETIFS[p8]}
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+
+ router1_create
+ router2_create
+ routing_nh_obj
+
+ forwarding_enable
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ forwarding_restore
+
+ router2_destroy
+ router1_destroy
+
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+ping_ipv4()
+{
+ ping_test $h1 198.51.100.2
+}
+
+ping_ipv6()
+{
+ ping6_test $h1 2001:db8:2::2
+}
+
+ip nexthop ls >/dev/null 2>&1
+if [ $? -ne 0 ]; then
+ echo "Nexthop objects not supported; skipping tests"
+ exit 0
+fi
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+routing_nh_obj
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/router_multicast.sh b/tools/testing/selftests/net/forwarding/router_multicast.sh
index 109e6d785169..57e90c873a2c 100755
--- a/tools/testing/selftests/net/forwarding/router_multicast.sh
+++ b/tools/testing/selftests/net/forwarding/router_multicast.sh
@@ -28,7 +28,7 @@
# +------------------+ +------------------+
#
-ALL_TESTS="mcast_v4 mcast_v6"
+ALL_TESTS="mcast_v4 mcast_v6 rpf_v4 rpf_v6"
NUM_NETIFS=6
source lib.sh
source tc_common.sh
@@ -46,10 +46,14 @@ h1_create()
ip route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::1
ip route add 2001:db8:3::/64 vrf v$h1 nexthop via 2001:db8:1::1
+
+ tc qdisc add dev $h1 ingress
}
h1_destroy()
{
+ tc qdisc del dev $h1 ingress
+
ip route del 2001:db8:3::/64 vrf v$h1
ip route del 2001:db8:2::/64 vrf v$h1
@@ -124,10 +128,14 @@ router_create()
ip address add 2001:db8:1::1/64 dev $rp1
ip address add 2001:db8:2::1/64 dev $rp2
ip address add 2001:db8:3::1/64 dev $rp3
+
+ tc qdisc add dev $rp3 ingress
}
router_destroy()
{
+ tc qdisc del dev $rp3 ingress
+
ip address del 2001:db8:3::1/64 dev $rp3
ip address del 2001:db8:2::1/64 dev $rp2
ip address del 2001:db8:1::1/64 dev $rp1
@@ -301,6 +309,103 @@ mcast_v6()
log_test "mcast IPv6"
}
+rpf_v4()
+{
+ # Add a multicast route from first router port to the other two. Send
+ # matching packets and test that both hosts receive them. Then, send
+ # the same packets via the third router port and test that they do not
+ # reach any host due to RPF check. A filter with 'skip_hw' is added to
+ # test that devices capable of multicast routing offload trap those
+ # packets. The filter is essentialy a NOP in other scenarios.
+
+ RET=0
+
+ tc filter add dev $h1 ingress protocol ip pref 1 handle 1 flower \
+ dst_ip 225.1.2.3 ip_proto udp dst_port 12345 action drop
+ tc filter add dev $h2 ingress protocol ip pref 1 handle 1 flower \
+ dst_ip 225.1.2.3 ip_proto udp dst_port 12345 action drop
+ tc filter add dev $h3 ingress protocol ip pref 1 handle 1 flower \
+ dst_ip 225.1.2.3 ip_proto udp dst_port 12345 action drop
+ tc filter add dev $rp3 ingress protocol ip pref 1 handle 1 flower \
+ skip_hw dst_ip 225.1.2.3 ip_proto udp dst_port 12345 action pass
+
+ create_mcast_sg $rp1 198.51.100.2 225.1.2.3 $rp2 $rp3
+
+ $MZ $h1 -c 5 -p 128 -t udp "ttl=10,sp=54321,dp=12345" \
+ -a 00:11:22:33:44:55 -b 01:00:5e:01:02:03 \
+ -A 198.51.100.2 -B 225.1.2.3 -q
+
+ tc_check_packets "dev $h2 ingress" 1 5
+ check_err $? "Multicast not received on first host"
+ tc_check_packets "dev $h3 ingress" 1 5
+ check_err $? "Multicast not received on second host"
+
+ $MZ $h3 -c 5 -p 128 -t udp "ttl=10,sp=54321,dp=12345" \
+ -a 00:11:22:33:44:55 -b 01:00:5e:01:02:03 \
+ -A 198.51.100.2 -B 225.1.2.3 -q
+
+ tc_check_packets "dev $h1 ingress" 1 0
+ check_err $? "Multicast received on first host when should not"
+ tc_check_packets "dev $h2 ingress" 1 5
+ check_err $? "Multicast received on second host when should not"
+ tc_check_packets "dev $rp3 ingress" 1 5
+ check_err $? "Packets not trapped due to RPF check"
+
+ delete_mcast_sg $rp1 198.51.100.2 225.1.2.3 $rp2 $rp3
+
+ tc filter del dev $rp3 ingress protocol ip pref 1 handle 1 flower
+ tc filter del dev $h3 ingress protocol ip pref 1 handle 1 flower
+ tc filter del dev $h2 ingress protocol ip pref 1 handle 1 flower
+ tc filter del dev $h1 ingress protocol ip pref 1 handle 1 flower
+
+ log_test "RPF IPv4"
+}
+
+rpf_v6()
+{
+ RET=0
+
+ tc filter add dev $h1 ingress protocol ipv6 pref 1 handle 1 flower \
+ dst_ip ff0e::3 ip_proto udp dst_port 12345 action drop
+ tc filter add dev $h2 ingress protocol ipv6 pref 1 handle 1 flower \
+ dst_ip ff0e::3 ip_proto udp dst_port 12345 action drop
+ tc filter add dev $h3 ingress protocol ipv6 pref 1 handle 1 flower \
+ dst_ip ff0e::3 ip_proto udp dst_port 12345 action drop
+ tc filter add dev $rp3 ingress protocol ipv6 pref 1 handle 1 flower \
+ skip_hw dst_ip ff0e::3 ip_proto udp dst_port 12345 action pass
+
+ create_mcast_sg $rp1 2001:db8:1::2 ff0e::3 $rp2 $rp3
+
+ $MZ $h1 -6 -c 5 -p 128 -t udp "ttl=10,sp=54321,dp=12345" \
+ -a 00:11:22:33:44:55 -b 33:33:00:00:00:03 \
+ -A 2001:db8:1::2 -B ff0e::3 -q
+
+ tc_check_packets "dev $h2 ingress" 1 5
+ check_err $? "Multicast not received on first host"
+ tc_check_packets "dev $h3 ingress" 1 5
+ check_err $? "Multicast not received on second host"
+
+ $MZ $h3 -6 -c 5 -p 128 -t udp "ttl=10,sp=54321,dp=12345" \
+ -a 00:11:22:33:44:55 -b 33:33:00:00:00:03 \
+ -A 2001:db8:1::2 -B ff0e::3 -q
+
+ tc_check_packets "dev $h1 ingress" 1 0
+ check_err $? "Multicast received on first host when should not"
+ tc_check_packets "dev $h2 ingress" 1 5
+ check_err $? "Multicast received on second host when should not"
+ tc_check_packets "dev $rp3 ingress" 1 5
+ check_err $? "Packets not trapped due to RPF check"
+
+ delete_mcast_sg $rp1 2001:db8:1::2 ff0e::3 $rp2 $rp3
+
+ tc filter del dev $rp3 ingress protocol ipv6 pref 1 handle 1 flower
+ tc filter del dev $h3 ingress protocol ipv6 pref 1 handle 1 flower
+ tc filter del dev $h2 ingress protocol ipv6 pref 1 handle 1 flower
+ tc filter del dev $h1 ingress protocol ipv6 pref 1 handle 1 flower
+
+ log_test "RPF IPv6"
+}
+
trap cleanup EXIT
setup_prepare
diff --git a/tools/testing/selftests/net/forwarding/tc_flower.sh b/tools/testing/selftests/net/forwarding/tc_flower.sh
index 20d1077e5a3d..058c746ee300 100755
--- a/tools/testing/selftests/net/forwarding/tc_flower.sh
+++ b/tools/testing/selftests/net/forwarding/tc_flower.sh
@@ -2,7 +2,8 @@
# SPDX-License-Identifier: GPL-2.0
ALL_TESTS="match_dst_mac_test match_src_mac_test match_dst_ip_test \
- match_src_ip_test match_ip_flags_test"
+ match_src_ip_test match_ip_flags_test match_pcp_test match_vlan_test \
+ match_ip_tos_test match_indev_test"
NUM_NETIFS=2
source tc_common.sh
source lib.sh
@@ -219,6 +220,120 @@ match_ip_flags_test()
log_test "ip_flags match ($tcflags)"
}
+match_pcp_test()
+{
+ RET=0
+
+ vlan_create $h2 85 v$h2 192.0.2.11/24
+
+ tc filter add dev $h2 ingress protocol 802.1q pref 1 handle 101 \
+ flower vlan_prio 6 $tcflags dst_mac $h2mac action drop
+ tc filter add dev $h2 ingress protocol 802.1q pref 2 handle 102 \
+ flower vlan_prio 7 $tcflags dst_mac $h2mac action drop
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -B 192.0.2.11 -Q 7:85 -t ip -q
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -B 192.0.2.11 -Q 0:85 -t ip -q
+
+ tc_check_packets "dev $h2 ingress" 101 0
+ check_err $? "Matched on specified PCP when should not"
+
+ tc_check_packets "dev $h2 ingress" 102 1
+ check_err $? "Did not match on specified PCP"
+
+ tc filter del dev $h2 ingress protocol 802.1q pref 2 handle 102 flower
+ tc filter del dev $h2 ingress protocol 802.1q pref 1 handle 101 flower
+
+ vlan_destroy $h2 85
+
+ log_test "PCP match ($tcflags)"
+}
+
+match_vlan_test()
+{
+ RET=0
+
+ vlan_create $h2 85 v$h2 192.0.2.11/24
+ vlan_create $h2 75 v$h2 192.0.2.10/24
+
+ tc filter add dev $h2 ingress protocol 802.1q pref 1 handle 101 \
+ flower vlan_id 75 $tcflags action drop
+ tc filter add dev $h2 ingress protocol 802.1q pref 2 handle 102 \
+ flower vlan_id 85 $tcflags action drop
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -B 192.0.2.11 -Q 0:85 -t ip -q
+
+ tc_check_packets "dev $h2 ingress" 101 0
+ check_err $? "Matched on specified VLAN when should not"
+
+ tc_check_packets "dev $h2 ingress" 102 1
+ check_err $? "Did not match on specified VLAN"
+
+ tc filter del dev $h2 ingress protocol 802.1q pref 2 handle 102 flower
+ tc filter del dev $h2 ingress protocol 802.1q pref 1 handle 101 flower
+
+ vlan_destroy $h2 75
+ vlan_destroy $h2 85
+
+ log_test "VLAN match ($tcflags)"
+}
+
+match_ip_tos_test()
+{
+ RET=0
+
+ tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
+ $tcflags dst_ip 192.0.2.2 ip_tos 0x20 action drop
+ tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
+ $tcflags dst_ip 192.0.2.2 ip_tos 0x18 action drop
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+ -t ip tos=18 -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched on a wrong filter (0x18)"
+
+ tc_check_packets "dev $h2 ingress" 102 1
+ check_err $? "Did not match on correct filter (0x18)"
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+ -t ip tos=20 -q
+
+ tc_check_packets "dev $h2 ingress" 102 2
+ check_fail $? "Matched on a wrong filter (0x20)"
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_err $? "Did not match on correct filter (0x20)"
+
+ tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
+ tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
+
+ log_test "ip_tos match ($tcflags)"
+}
+
+match_indev_test()
+{
+ RET=0
+
+ tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
+ $tcflags indev $h1 dst_mac $h2mac action drop
+ tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
+ $tcflags indev $h2 dst_mac $h2mac action drop
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
+ -t ip -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched on a wrong filter"
+
+ tc_check_packets "dev $h2 ingress" 102 1
+ check_err $? "Did not match on correct filter"
+
+ tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
+ tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
+
+ log_test "indev match ($tcflags)"
+}
+
setup_prepare()
{
h1=${NETIFS[p1]}
diff --git a/tools/testing/selftests/net/forwarding/tc_flower_router.sh b/tools/testing/selftests/net/forwarding/tc_flower_router.sh
new file mode 100755
index 000000000000..4aee9c9e69f6
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/tc_flower_router.sh
@@ -0,0 +1,172 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+ALL_TESTS="match_indev_egress_test"
+NUM_NETIFS=6
+source tc_common.sh
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.1.1/24
+
+ ip route add 192.0.2.0/24 vrf v$h1 nexthop via 192.0.1.2
+ ip route add 192.0.3.0/24 vrf v$h1 nexthop via 192.0.1.2
+}
+
+h1_destroy()
+{
+ ip route del 192.0.3.0/24 vrf v$h1
+ ip route del 192.0.2.0/24 vrf v$h1
+
+ simple_if_fini $h1 192.0.1.1/24
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.2.1/24
+
+ ip route add 192.0.1.0/24 vrf v$h2 nexthop via 192.0.2.2
+ ip route add 192.0.3.0/24 vrf v$h2 nexthop via 192.0.2.2
+}
+
+h2_destroy()
+{
+ ip route del 192.0.3.0/24 vrf v$h2
+ ip route del 192.0.1.0/24 vrf v$h2
+
+ simple_if_fini $h2 192.0.2.1/24
+}
+
+h3_create()
+{
+ simple_if_init $h3 192.0.3.1/24
+
+ ip route add 192.0.1.0/24 vrf v$h3 nexthop via 192.0.3.2
+ ip route add 192.0.2.0/24 vrf v$h3 nexthop via 192.0.3.2
+}
+
+h3_destroy()
+{
+ ip route del 192.0.2.0/24 vrf v$h3
+ ip route del 192.0.1.0/24 vrf v$h3
+
+ simple_if_fini $h3 192.0.3.1/24
+}
+
+
+router_create()
+{
+ ip link set dev $rp1 up
+ ip link set dev $rp2 up
+ ip link set dev $rp3 up
+
+ tc qdisc add dev $rp3 clsact
+
+ ip address add 192.0.1.2/24 dev $rp1
+ ip address add 192.0.2.2/24 dev $rp2
+ ip address add 192.0.3.2/24 dev $rp3
+}
+
+router_destroy()
+{
+ ip address del 192.0.3.2/24 dev $rp3
+ ip address del 192.0.2.2/24 dev $rp2
+ ip address del 192.0.1.2/24 dev $rp1
+
+ tc qdisc del dev $rp3 clsact
+
+ ip link set dev $rp3 down
+ ip link set dev $rp2 down
+ ip link set dev $rp1 down
+}
+
+match_indev_egress_test()
+{
+ RET=0
+
+ tc filter add dev $rp3 egress protocol ip pref 1 handle 101 flower \
+ $tcflags indev $rp1 dst_ip 192.0.3.1 action drop
+ tc filter add dev $rp3 egress protocol ip pref 2 handle 102 flower \
+ $tcflags indev $rp2 dst_ip 192.0.3.1 action drop
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $rp1mac -A 192.0.1.1 -B 192.0.3.1 \
+ -t ip -q
+
+ tc_check_packets "dev $rp3 egress" 102 1
+ check_fail $? "Matched on a wrong filter"
+
+ tc_check_packets "dev $rp3 egress" 101 1
+ check_err $? "Did not match on correct filter"
+
+ $MZ $h2 -c 1 -p 64 -a $h2mac -b $rp2mac -A 192.0.2.1 -B 192.0.3.1 \
+ -t ip -q
+
+ tc_check_packets "dev $rp3 egress" 101 2
+ check_fail $? "Matched on a wrong filter"
+
+ tc_check_packets "dev $rp3 egress" 102 1
+ check_err $? "Did not match on correct filter"
+
+ tc filter del dev $rp3 egress protocol ip pref 2 handle 102 flower
+ tc filter del dev $rp3 egress protocol ip pref 1 handle 101 flower
+
+ log_test "indev egress match ($tcflags)"
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ rp1=${NETIFS[p2]}
+
+ h2=${NETIFS[p3]}
+ rp2=${NETIFS[p4]}
+
+ h3=${NETIFS[p5]}
+ rp3=${NETIFS[p6]}
+
+ h1mac=$(mac_get $h1)
+ rp1mac=$(mac_get $rp1)
+ h2mac=$(mac_get $h2)
+ rp2mac=$(mac_get $rp2)
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+ h3_create
+
+ router_create
+
+ forwarding_enable
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ forwarding_restore
+
+ router_destroy
+
+ h3_destroy
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tc_offload_check
+if [[ $? -ne 0 ]]; then
+ log_info "Could not test offloaded functionality"
+else
+ tcflags="skip_sw"
+ tests_run
+fi
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/tc_shblocks.sh b/tools/testing/selftests/net/forwarding/tc_shblocks.sh
index 9826a446e2c0..772e00ac3230 100755
--- a/tools/testing/selftests/net/forwarding/tc_shblocks.sh
+++ b/tools/testing/selftests/net/forwarding/tc_shblocks.sh
@@ -1,7 +1,7 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
-ALL_TESTS="shared_block_test"
+ALL_TESTS="shared_block_test match_indev_test"
NUM_NETIFS=4
source tc_common.sh
source lib.sh
@@ -70,6 +70,33 @@ shared_block_test()
log_test "shared block ($tcflags)"
}
+match_indev_test()
+{
+ RET=0
+
+ tc filter add block 22 protocol ip pref 1 handle 101 flower \
+ $tcflags indev $swp1 dst_mac $swmac action drop
+ tc filter add block 22 protocol ip pref 2 handle 102 flower \
+ $tcflags indev $swp2 dst_mac $swmac action drop
+
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $swmac -A 192.0.2.1 -B 192.0.2.2 \
+ -t ip -q
+
+ tc_check_packets "block 22" 101 1
+ check_err $? "Did not match first incoming packet on a block"
+
+ $MZ $h2 -c 1 -p 64 -a $h2mac -b $swmac -A 192.0.2.1 -B 192.0.2.2 \
+ -t ip -q
+
+ tc_check_packets "block 22" 102 1
+ check_err $? "Did not match second incoming packet on a block"
+
+ tc filter del block 22 protocol ip pref 1 handle 101 flower
+ tc filter del block 22 protocol ip pref 2 handle 102 flower
+
+ log_test "indev match ($tcflags)"
+}
+
setup_prepare()
{
h1=${NETIFS[p1]}
diff --git a/tools/testing/selftests/net/forwarding/tc_vlan_modify.sh b/tools/testing/selftests/net/forwarding/tc_vlan_modify.sh
new file mode 100755
index 000000000000..45378905cb97
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/tc_vlan_modify.sh
@@ -0,0 +1,164 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+ALL_TESTS="
+ vlan_modify_ingress
+ vlan_modify_egress
+"
+
+NUM_NETIFS=4
+CHECK_TC="yes"
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64
+ vlan_create $h1 85 v$h1 192.0.2.17/28 2001:db8:2::1/64
+}
+
+h1_destroy()
+{
+ vlan_destroy $h1 85
+ simple_if_fini $h1 192.0.2.1/28 2001:db8:1::1/64
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.2.2/28 2001:db8:1::2/64
+ vlan_create $h2 65 v$h2 192.0.2.18/28 2001:db8:2::2/64
+}
+
+h2_destroy()
+{
+ vlan_destroy $h2 65
+ simple_if_fini $h2 192.0.2.2/28 2001:db8:1::2/64
+}
+
+switch_create()
+{
+ ip link add dev br0 type bridge vlan_filtering 1 mcast_snooping 0
+
+ ip link set dev $swp1 master br0
+ ip link set dev $swp2 master br0
+
+ ip link set dev br0 up
+ ip link set dev $swp1 up
+ ip link set dev $swp2 up
+
+ bridge vlan add dev $swp1 vid 85
+ bridge vlan add dev $swp2 vid 65
+
+ bridge vlan add dev $swp2 vid 85
+ bridge vlan add dev $swp1 vid 65
+
+ tc qdisc add dev $swp1 clsact
+ tc qdisc add dev $swp2 clsact
+}
+
+switch_destroy()
+{
+ tc qdisc del dev $swp2 clsact
+ tc qdisc del dev $swp1 clsact
+
+ bridge vlan del vid 65 dev $swp1
+ bridge vlan del vid 85 dev $swp2
+
+ bridge vlan del vid 65 dev $swp2
+ bridge vlan del vid 85 dev $swp1
+
+ ip link set dev $swp2 down
+ ip link set dev $swp1 down
+
+ ip link del dev br0
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+
+ swp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+
+ switch_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ switch_destroy
+
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+vlan_modify_ingress()
+{
+ RET=0
+
+ ping_do $h1.85 192.0.2.18
+ check_fail $? "ping between two different vlans passed when should not"
+
+ ping6_do $h1.85 2001:db8:2::2
+ check_fail $? "ping6 between two different vlans passed when should not"
+
+ tc filter add dev $swp1 ingress protocol all pref 1 handle 1 \
+ flower action vlan modify id 65
+ tc filter add dev $swp2 ingress protocol all pref 1 handle 1 \
+ flower action vlan modify id 85
+
+ ping_do $h1.85 192.0.2.18
+ check_err $? "ping between two different vlans failed when should not"
+
+ ping6_do $h1.85 2001:db8:2::2
+ check_err $? "ping6 between two different vlans failed when should not"
+
+ log_test "VLAN modify at ingress"
+
+ tc filter del dev $swp2 ingress protocol all pref 1 handle 1 flower
+ tc filter del dev $swp1 ingress protocol all pref 1 handle 1 flower
+}
+
+vlan_modify_egress()
+{
+ RET=0
+
+ ping_do $h1.85 192.0.2.18
+ check_fail $? "ping between two different vlans passed when should not"
+
+ ping6_do $h1.85 2001:db8:2::2
+ check_fail $? "ping6 between two different vlans passed when should not"
+
+ tc filter add dev $swp1 egress protocol all pref 1 handle 1 \
+ flower action vlan modify id 85
+ tc filter add dev $swp2 egress protocol all pref 1 handle 1 \
+ flower action vlan modify id 65
+
+ ping_do $h1.85 192.0.2.18
+ check_err $? "ping between two different vlans failed when should not"
+
+ ping6_do $h1.85 2001:db8:2::2
+ check_err $? "ping6 between two different vlans failed when should not"
+
+ log_test "VLAN modify at egress"
+
+ tc filter del dev $swp2 egress protocol all pref 1 handle 1 flower
+ tc filter del dev $swp1 egress protocol all pref 1 handle 1 flower
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh b/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh
new file mode 100755
index 000000000000..a0b5f57d6bd3
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh
@@ -0,0 +1,567 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# +---------------------------+ +------------------------------+
+# | vrf-h1 | | vrf-h2 |
+# | + $h1 | | + $h2 |
+# | | 10.1.1.101/24 | | | 10.1.2.101/24 |
+# | | default via 10.1.1.1 | | | default via 10.1.2.1 |
+# +----|----------------------+ +----|-------------------------+
+# | |
+# +----|--------------------------------------------|-------------------------+
+# | SW | | |
+# | +--|--------------------------------------------|-----------------------+ |
+# | | + $swp1 br1 + $swp2 | |
+# | | vid 10 pvid untagged vid 20 pvid untagged | |
+# | | | |
+# | | + vx10 + vx20 | |
+# | | local 10.0.0.1 local 10.0.0.1 | |
+# | | remote 10.0.0.2 remote 10.0.0.2 | |
+# | | id 1000 id 2000 | |
+# | | dstport 4789 dstport 4789 | |
+# | | vid 10 pvid untagged vid 20 pvid untagged | |
+# | | | |
+# | +-----------------------------------+-----------------------------------+ |
+# | | |
+# | +-----------------------------------|-----------------------------------+ |
+# | | | | |
+# | | +--------------------------------+--------------------------------+ | |
+# | | | | | |
+# | | + vlan10 vlan20 + | |
+# | | | 10.1.1.11/24 10.1.2.11/24 | | |
+# | | | | | |
+# | | + vlan10-v (macvlan) vlan20-v (macvlan) + | |
+# | | 10.1.1.1/24 10.1.2.1/24 | |
+# | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | |
+# | | vrf-green | |
+# | +-----------------------------------------------------------------------+ |
+# | |
+# | + $rp1 +lo |
+# | | 192.0.2.1/24 10.0.0.1/32 |
+# +----|----------------------------------------------------------------------+
+# |
+# +----|--------------------------------------------------------+
+# | | vrf-spine |
+# | + $rp2 |
+# | 192.0.2.2/24 |
+# | | (maybe) HW
+# =============================================================================
+# | | (likely) SW
+# | |
+# | + v1 (veth) |
+# | | 192.0.3.2/24 |
+# +----|--------------------------------------------------------+
+# |
+# +----|----------------------------------------------------------------------+
+# | + v2 (veth) +lo NS1 (netns) |
+# | 192.0.3.1/24 10.0.0.2/32 |
+# | |
+# | +-----------------------------------------------------------------------+ |
+# | | vrf-green | |
+# | | + vlan10-v (macvlan) vlan20-v (macvlan) + | |
+# | | | 10.1.1.1/24 10.1.2.1/24 | | |
+# | | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | | |
+# | | | | | |
+# | | + vlan10 vlan20 + | |
+# | | | 10.1.1.12/24 10.1.2.12/24 | | |
+# | | | | | |
+# | | +--------------------------------+--------------------------------+ | |
+# | | | | |
+# | +-----------------------------------|-----------------------------------+ |
+# | | |
+# | +-----------------------------------+-----------------------------------+ |
+# | | | |
+# | | + vx10 + vx20 | |
+# | | local 10.0.0.2 local 10.0.0.2 | |
+# | | remote 10.0.0.1 remote 10.0.0.1 | |
+# | | id 1000 id 2000 | |
+# | | dstport 4789 dstport 4789 | |
+# | | vid 10 pvid untagged vid 20 pvid untagged | |
+# | | | |
+# | | + w1 (veth) + w3 (veth) | |
+# | | | vid 10 pvid untagged br1 | vid 20 pvid untagged | |
+# | +--|------------------------------------------|-------------------------+ |
+# | | | |
+# | | | |
+# | +--|----------------------+ +--|-------------------------+ |
+# | | | vrf-h1 | | | vrf-h2 | |
+# | | + w2 (veth) | | + w4 (veth) | |
+# | | 10.1.1.102/24 | | 10.1.2.102/24 | |
+# | | default via 10.1.1.1 | | default via 10.1.2.1 | |
+# | +-------------------------+ +----------------------------+ |
+# +---------------------------------------------------------------------------+
+
+ALL_TESTS="
+ ping_ipv4
+ arp_decap
+ arp_suppression
+"
+NUM_NETIFS=6
+source lib.sh
+
+require_command $ARPING
+
+hx_create()
+{
+ local vrf_name=$1; shift
+ local if_name=$1; shift
+ local ip_addr=$1; shift
+ local gw_ip=$1; shift
+
+ vrf_create $vrf_name
+ ip link set dev $if_name master $vrf_name
+ ip link set dev $vrf_name up
+ ip link set dev $if_name up
+
+ ip address add $ip_addr/24 dev $if_name
+ ip neigh replace $gw_ip lladdr 00:00:5e:00:01:01 nud permanent \
+ dev $if_name
+ ip route add default vrf $vrf_name nexthop via $gw_ip
+}
+export -f hx_create
+
+hx_destroy()
+{
+ local vrf_name=$1; shift
+ local if_name=$1; shift
+ local ip_addr=$1; shift
+ local gw_ip=$1; shift
+
+ ip route del default vrf $vrf_name nexthop via $gw_ip
+ ip neigh del $gw_ip dev $if_name
+ ip address del $ip_addr/24 dev $if_name
+
+ ip link set dev $if_name down
+ vrf_destroy $vrf_name
+}
+
+h1_create()
+{
+ hx_create "vrf-h1" $h1 10.1.1.101 10.1.1.1
+}
+
+h1_destroy()
+{
+ hx_destroy "vrf-h1" $h1 10.1.1.101 10.1.1.1
+}
+
+h2_create()
+{
+ hx_create "vrf-h2" $h2 10.1.2.101 10.1.2.1
+}
+
+h2_destroy()
+{
+ hx_destroy "vrf-h2" $h2 10.1.2.101 10.1.2.1
+}
+
+switch_create()
+{
+ ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \
+ mcast_snooping 0
+ # Make sure the bridge uses the MAC address of the local port and not
+ # that of the VxLAN's device.
+ ip link set dev br1 address $(mac_get $swp1)
+ ip link set dev br1 up
+
+ ip link set dev $rp1 up
+ ip address add dev $rp1 192.0.2.1/24
+ ip route add 10.0.0.2/32 nexthop via 192.0.2.2
+
+ ip link add name vx10 type vxlan id 1000 \
+ local 10.0.0.1 remote 10.0.0.2 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx10 up
+
+ ip link set dev vx10 master br1
+ bridge vlan add vid 10 dev vx10 pvid untagged
+
+ ip link add name vx20 type vxlan id 2000 \
+ local 10.0.0.1 remote 10.0.0.2 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx20 up
+
+ ip link set dev vx20 master br1
+ bridge vlan add vid 20 dev vx20 pvid untagged
+
+ ip link set dev $swp1 master br1
+ ip link set dev $swp1 up
+ bridge vlan add vid 10 dev $swp1 pvid untagged
+
+ ip link set dev $swp2 master br1
+ ip link set dev $swp2 up
+ bridge vlan add vid 20 dev $swp2 pvid untagged
+
+ ip address add 10.0.0.1/32 dev lo
+
+ # Create SVIs
+ vrf_create "vrf-green"
+ ip link set dev vrf-green up
+
+ ip link add link br1 name vlan10 up master vrf-green type vlan id 10
+ ip address add 10.1.1.11/24 dev vlan10
+ ip link add link vlan10 name vlan10-v up master vrf-green \
+ address 00:00:5e:00:01:01 type macvlan mode private
+ ip address add 10.1.1.1/24 dev vlan10-v
+
+ ip link add link br1 name vlan20 up master vrf-green type vlan id 20
+ ip address add 10.1.2.11/24 dev vlan20
+ ip link add link vlan20 name vlan20-v up master vrf-green \
+ address 00:00:5e:00:01:01 type macvlan mode private
+ ip address add 10.1.2.1/24 dev vlan20-v
+
+ bridge vlan add vid 10 dev br1 self
+ bridge vlan add vid 20 dev br1 self
+
+ bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
+ bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
+}
+
+switch_destroy()
+{
+ bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 20
+ bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 10
+
+ bridge vlan del vid 20 dev br1 self
+ bridge vlan del vid 10 dev br1 self
+
+ ip link del dev vlan20
+
+ ip link del dev vlan10
+
+ vrf_destroy "vrf-green"
+
+ ip address del 10.0.0.1/32 dev lo
+
+ bridge vlan del vid 20 dev $swp2
+ ip link set dev $swp2 down
+ ip link set dev $swp2 nomaster
+
+ bridge vlan del vid 10 dev $swp1
+ ip link set dev $swp1 down
+ ip link set dev $swp1 nomaster
+
+ bridge vlan del vid 20 dev vx20
+ ip link set dev vx20 nomaster
+
+ ip link set dev vx20 down
+ ip link del dev vx20
+
+ bridge vlan del vid 10 dev vx10
+ ip link set dev vx10 nomaster
+
+ ip link set dev vx10 down
+ ip link del dev vx10
+
+ ip route del 10.0.0.2/32 nexthop via 192.0.2.2
+ ip address del dev $rp1 192.0.2.1/24
+ ip link set dev $rp1 down
+
+ ip link set dev br1 down
+ ip link del dev br1
+}
+
+spine_create()
+{
+ vrf_create "vrf-spine"
+ ip link set dev $rp2 master vrf-spine
+ ip link set dev v1 master vrf-spine
+ ip link set dev vrf-spine up
+ ip link set dev $rp2 up
+ ip link set dev v1 up
+
+ ip address add 192.0.2.2/24 dev $rp2
+ ip address add 192.0.3.2/24 dev v1
+
+ ip route add 10.0.0.1/32 vrf vrf-spine nexthop via 192.0.2.1
+ ip route add 10.0.0.2/32 vrf vrf-spine nexthop via 192.0.3.1
+}
+
+spine_destroy()
+{
+ ip route del 10.0.0.2/32 vrf vrf-spine nexthop via 192.0.3.1
+ ip route del 10.0.0.1/32 vrf vrf-spine nexthop via 192.0.2.1
+
+ ip address del 192.0.3.2/24 dev v1
+ ip address del 192.0.2.2/24 dev $rp2
+
+ ip link set dev v1 down
+ ip link set dev $rp2 down
+ vrf_destroy "vrf-spine"
+}
+
+ns_h1_create()
+{
+ hx_create "vrf-h1" w2 10.1.1.102 10.1.1.1
+}
+export -f ns_h1_create
+
+ns_h2_create()
+{
+ hx_create "vrf-h2" w4 10.1.2.102 10.1.2.1
+}
+export -f ns_h2_create
+
+ns_switch_create()
+{
+ ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \
+ mcast_snooping 0
+ ip link set dev br1 up
+
+ ip link set dev v2 up
+ ip address add dev v2 192.0.3.1/24
+ ip route add 10.0.0.1/32 nexthop via 192.0.3.2
+
+ ip link add name vx10 type vxlan id 1000 \
+ local 10.0.0.2 remote 10.0.0.1 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx10 up
+
+ ip link set dev vx10 master br1
+ bridge vlan add vid 10 dev vx10 pvid untagged
+
+ ip link add name vx20 type vxlan id 2000 \
+ local 10.0.0.2 remote 10.0.0.1 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx20 up
+
+ ip link set dev vx20 master br1
+ bridge vlan add vid 20 dev vx20 pvid untagged
+
+ ip link set dev w1 master br1
+ ip link set dev w1 up
+ bridge vlan add vid 10 dev w1 pvid untagged
+
+ ip link set dev w3 master br1
+ ip link set dev w3 up
+ bridge vlan add vid 20 dev w3 pvid untagged
+
+ ip address add 10.0.0.2/32 dev lo
+
+ # Create SVIs
+ vrf_create "vrf-green"
+ ip link set dev vrf-green up
+
+ ip link add link br1 name vlan10 up master vrf-green type vlan id 10
+ ip address add 10.1.1.12/24 dev vlan10
+ ip link add link vlan10 name vlan10-v up master vrf-green \
+ address 00:00:5e:00:01:01 type macvlan mode private
+ ip address add 10.1.1.1/24 dev vlan10-v
+
+ ip link add link br1 name vlan20 up master vrf-green type vlan id 20
+ ip address add 10.1.2.12/24 dev vlan20
+ ip link add link vlan20 name vlan20-v up master vrf-green \
+ address 00:00:5e:00:01:01 type macvlan mode private
+ ip address add 10.1.2.1/24 dev vlan20-v
+
+ bridge vlan add vid 10 dev br1 self
+ bridge vlan add vid 20 dev br1 self
+
+ bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
+ bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
+}
+export -f ns_switch_create
+
+ns_init()
+{
+ ip link add name w1 type veth peer name w2
+ ip link add name w3 type veth peer name w4
+
+ ip link set dev lo up
+
+ ns_h1_create
+ ns_h2_create
+ ns_switch_create
+}
+export -f ns_init
+
+ns1_create()
+{
+ ip netns add ns1
+ ip link set dev v2 netns ns1
+ in_ns ns1 ns_init
+}
+
+ns1_destroy()
+{
+ ip netns exec ns1 ip link set dev v2 netns 1
+ ip netns del ns1
+}
+
+macs_populate()
+{
+ local mac1=$1; shift
+ local mac2=$1; shift
+ local ip1=$1; shift
+ local ip2=$1; shift
+ local dst=$1; shift
+
+ bridge fdb add $mac1 dev vx10 self master extern_learn static \
+ dst $dst vlan 10
+ bridge fdb add $mac2 dev vx20 self master extern_learn static \
+ dst $dst vlan 20
+
+ ip neigh add $ip1 lladdr $mac1 nud noarp dev vlan10 \
+ extern_learn
+ ip neigh add $ip2 lladdr $mac2 nud noarp dev vlan20 \
+ extern_learn
+}
+export -f macs_populate
+
+macs_initialize()
+{
+ local h1_ns_mac=$(in_ns ns1 mac_get w2)
+ local h2_ns_mac=$(in_ns ns1 mac_get w4)
+ local h1_mac=$(mac_get $h1)
+ local h2_mac=$(mac_get $h2)
+
+ macs_populate $h1_ns_mac $h2_ns_mac 10.1.1.102 10.1.2.102 10.0.0.2
+ in_ns ns1 macs_populate $h1_mac $h2_mac 10.1.1.101 10.1.2.101 10.0.0.1
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+
+ swp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ rp1=${NETIFS[p5]}
+ rp2=${NETIFS[p6]}
+
+ vrf_prepare
+ forwarding_enable
+
+ h1_create
+ h2_create
+ switch_create
+
+ ip link add name v1 type veth peer name v2
+ spine_create
+ ns1_create
+
+ macs_initialize
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ ns1_destroy
+ spine_destroy
+ ip link del dev v1
+
+ switch_destroy
+ h2_destroy
+ h1_destroy
+
+ forwarding_restore
+ vrf_cleanup
+}
+
+ping_ipv4()
+{
+ ping_test $h1 10.1.2.101 ": local->local vid 10->vid 20"
+ ping_test $h1 10.1.1.102 ": local->remote vid 10->vid 10"
+ ping_test $h2 10.1.2.102 ": local->remote vid 20->vid 20"
+ ping_test $h1 10.1.2.102 ": local->remote vid 10->vid 20"
+ ping_test $h2 10.1.1.102 ": local->remote vid 20->vid 10"
+}
+
+arp_decap()
+{
+ # Repeat the ping tests, but without populating the neighbours. This
+ # makes sure we correctly decapsulate ARP packets
+ log_info "deleting neighbours from vlan interfaces"
+
+ ip neigh del 10.1.1.102 dev vlan10
+ ip neigh del 10.1.2.102 dev vlan20
+
+ ping_ipv4
+
+ ip neigh replace 10.1.1.102 lladdr $(in_ns ns1 mac_get w2) nud noarp \
+ dev vlan10 extern_learn
+ ip neigh replace 10.1.2.102 lladdr $(in_ns ns1 mac_get w4) nud noarp \
+ dev vlan20 extern_learn
+}
+
+arp_suppression_compare()
+{
+ local expect=$1; shift
+ local actual=$(in_ns ns1 tc_rule_stats_get vx10 1 ingress)
+
+ (( expect == actual ))
+ check_err $? "expected $expect arps got $actual"
+}
+
+arp_suppression()
+{
+ ip link set dev vx10 type bridge_slave neigh_suppress on
+
+ in_ns ns1 tc qdisc add dev vx10 clsact
+ in_ns ns1 tc filter add dev vx10 ingress proto arp pref 1 handle 101 \
+ flower dst_mac ff:ff:ff:ff:ff:ff arp_tip 10.1.1.102 arp_op \
+ request action pass
+
+ # The neighbour is configured on the SVI and ARP suppression is on, so
+ # the ARP request should be suppressed
+ RET=0
+
+ $ARPING -I $h1 -fqb -c 1 -w 1 10.1.1.102
+ check_err $? "arping failed"
+
+ arp_suppression_compare 0
+
+ log_test "neigh_suppress: on / neigh exists: yes"
+
+ # Delete the neighbour from the the SVI. A single ARP request should be
+ # received by the remote VTEP
+ RET=0
+
+ ip neigh del 10.1.1.102 dev vlan10
+
+ $ARPING -I $h1 -fqb -c 1 -w 1 10.1.1.102
+ check_err $? "arping failed"
+
+ arp_suppression_compare 1
+
+ log_test "neigh_suppress: on / neigh exists: no"
+
+ # Turn off ARP suppression and make sure ARP is not suppressed,
+ # regardless of neighbour existence on the SVI
+ RET=0
+
+ ip neigh del 10.1.1.102 dev vlan10 &> /dev/null
+ ip link set dev vx10 type bridge_slave neigh_suppress off
+
+ $ARPING -I $h1 -fqb -c 1 -w 1 10.1.1.102
+ check_err $? "arping failed"
+
+ arp_suppression_compare 2
+
+ log_test "neigh_suppress: off / neigh exists: no"
+
+ RET=0
+
+ ip neigh add 10.1.1.102 lladdr $(in_ns ns1 mac_get w2) nud noarp \
+ dev vlan10 extern_learn
+
+ $ARPING -I $h1 -fqb -c 1 -w 1 10.1.1.102
+ check_err $? "arping failed"
+
+ arp_suppression_compare 3
+
+ log_test "neigh_suppress: off / neigh exists: yes"
+
+ in_ns ns1 tc qdisc del dev vx10 clsact
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/vxlan_symmetric.sh b/tools/testing/selftests/net/forwarding/vxlan_symmetric.sh
new file mode 100755
index 000000000000..1209031bc794
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/vxlan_symmetric.sh
@@ -0,0 +1,551 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# +---------------------------+ +------------------------------+
+# | vrf-h1 | | vrf-h2 |
+# | + $h1 | | + $h2 |
+# | | 10.1.1.101/24 | | | 10.1.2.101/24 |
+# | | default via 10.1.1.1 | | | default via 10.1.2.1 |
+# +----|----------------------+ +----|-------------------------+
+# | |
+# +----|--------------------------------------------|-------------------------+
+# | SW | | |
+# | +--|--------------------------------------------|-----------------------+ |
+# | | + $swp1 br1 + $swp2 | |
+# | | vid 10 pvid untagged vid 20 pvid untagged | |
+# | | | |
+# | | + vx10 + vx20 | |
+# | | local 10.0.0.1 local 10.0.0.1 | |
+# | | remote 10.0.0.2 remote 10.0.0.2 | |
+# | | id 1010 id 1020 | |
+# | | dstport 4789 dstport 4789 | |
+# | | vid 10 pvid untagged vid 20 pvid untagged | |
+# | | | |
+# | | + vx4001 | |
+# | | local 10.0.0.1 | |
+# | | remote 10.0.0.2 | |
+# | | id 104001 | |
+# | | dstport 4789 | |
+# | | vid 4001 pvid untagged | |
+# | | | |
+# | +-----------------------------------+-----------------------------------+ |
+# | | |
+# | +-----------------------------------|-----------------------------------+ |
+# | | | | |
+# | | +--------------------------------+--------------------------------+ | |
+# | | | | | | |
+# | | + vlan10 | vlan20 + | |
+# | | | 10.1.1.11/24 | 10.1.2.11/24 | | |
+# | | | | | | |
+# | | + vlan10-v (macvlan) + vlan20-v (macvlan) + | |
+# | | 10.1.1.1/24 vlan4001 10.1.2.1/24 | |
+# | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | |
+# | | vrf-green | |
+# | +-----------------------------------------------------------------------+ |
+# | |
+# | + $rp1 +lo |
+# | | 192.0.2.1/24 10.0.0.1/32 |
+# +----|----------------------------------------------------------------------+
+# |
+# +----|--------------------------------------------------------+
+# | | vrf-spine |
+# | + $rp2 |
+# | 192.0.2.2/24 |
+# | | (maybe) HW
+# =============================================================================
+# | | (likely) SW
+# | |
+# | + v1 (veth) |
+# | | 192.0.3.2/24 |
+# +----|--------------------------------------------------------+
+# |
+# +----|----------------------------------------------------------------------+
+# | + v2 (veth) +lo NS1 (netns) |
+# | 192.0.3.1/24 10.0.0.2/32 |
+# | |
+# | +-----------------------------------------------------------------------+ |
+# | | vrf-green | |
+# | | + vlan10-v (macvlan) vlan20-v (macvlan) + | |
+# | | | 10.1.1.1/24 10.1.2.1/24 | | |
+# | | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | | |
+# | | | vlan4001 | | |
+# | | + vlan10 + vlan20 + | |
+# | | | 10.1.1.12/24 | 10.1.2.12/24 | | |
+# | | | | | | |
+# | | +--------------------------------+--------------------------------+ | |
+# | | | | |
+# | +-----------------------------------|-----------------------------------+ |
+# | | |
+# | +-----------------------------------+-----------------------------------+ |
+# | | | |
+# | | + vx10 + vx20 | |
+# | | local 10.0.0.2 local 10.0.0.2 | |
+# | | remote 10.0.0.1 remote 10.0.0.1 | |
+# | | id 1010 id 1020 | |
+# | | dstport 4789 dstport 4789 | |
+# | | vid 10 pvid untagged vid 20 pvid untagged | |
+# | | | |
+# | | + vx4001 | |
+# | | local 10.0.0.2 | |
+# | | remote 10.0.0.1 | |
+# | | id 104001 | |
+# | | dstport 4789 | |
+# | | vid 4001 pvid untagged | |
+# | | | |
+# | | + w1 (veth) + w3 (veth) | |
+# | | | vid 10 pvid untagged br1 | vid 20 pvid untagged | |
+# | +--|------------------------------------------|-------------------------+ |
+# | | | |
+# | | | |
+# | +--|----------------------+ +--|-------------------------+ |
+# | | | vrf-h1 | | | vrf-h2 | |
+# | | + w2 (veth) | | + w4 (veth) | |
+# | | 10.1.1.102/24 | | 10.1.2.102/24 | |
+# | | default via 10.1.1.1 | | default via 10.1.2.1 | |
+# | +-------------------------+ +----------------------------+ |
+# +---------------------------------------------------------------------------+
+
+ALL_TESTS="
+ ping_ipv4
+"
+NUM_NETIFS=6
+source lib.sh
+
+hx_create()
+{
+ local vrf_name=$1; shift
+ local if_name=$1; shift
+ local ip_addr=$1; shift
+ local gw_ip=$1; shift
+
+ vrf_create $vrf_name
+ ip link set dev $if_name master $vrf_name
+ ip link set dev $vrf_name up
+ ip link set dev $if_name up
+
+ ip address add $ip_addr/24 dev $if_name
+ ip neigh replace $gw_ip lladdr 00:00:5e:00:01:01 nud permanent \
+ dev $if_name
+ ip route add default vrf $vrf_name nexthop via $gw_ip
+}
+export -f hx_create
+
+hx_destroy()
+{
+ local vrf_name=$1; shift
+ local if_name=$1; shift
+ local ip_addr=$1; shift
+ local gw_ip=$1; shift
+
+ ip route del default vrf $vrf_name nexthop via $gw_ip
+ ip neigh del $gw_ip dev $if_name
+ ip address del $ip_addr/24 dev $if_name
+
+ ip link set dev $if_name down
+ vrf_destroy $vrf_name
+}
+
+h1_create()
+{
+ hx_create "vrf-h1" $h1 10.1.1.101 10.1.1.1
+}
+
+h1_destroy()
+{
+ hx_destroy "vrf-h1" $h1 10.1.1.101 10.1.1.1
+}
+
+h2_create()
+{
+ hx_create "vrf-h2" $h2 10.1.2.101 10.1.2.1
+}
+
+h2_destroy()
+{
+ hx_destroy "vrf-h2" $h2 10.1.2.101 10.1.2.1
+}
+
+switch_create()
+{
+ ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \
+ mcast_snooping 0
+ # Make sure the bridge uses the MAC address of the local port and not
+ # that of the VxLAN's device.
+ ip link set dev br1 address $(mac_get $swp1)
+ ip link set dev br1 up
+
+ ip link set dev $rp1 up
+ ip address add dev $rp1 192.0.2.1/24
+ ip route add 10.0.0.2/32 nexthop via 192.0.2.2
+
+ ip link add name vx10 type vxlan id 1010 \
+ local 10.0.0.1 remote 10.0.0.2 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx10 up
+
+ ip link set dev vx10 master br1
+ bridge vlan add vid 10 dev vx10 pvid untagged
+
+ ip link add name vx20 type vxlan id 1020 \
+ local 10.0.0.1 remote 10.0.0.2 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx20 up
+
+ ip link set dev vx20 master br1
+ bridge vlan add vid 20 dev vx20 pvid untagged
+
+ ip link set dev $swp1 master br1
+ ip link set dev $swp1 up
+ bridge vlan add vid 10 dev $swp1 pvid untagged
+
+ ip link set dev $swp2 master br1
+ ip link set dev $swp2 up
+ bridge vlan add vid 20 dev $swp2 pvid untagged
+
+ ip link add name vx4001 type vxlan id 104001 \
+ local 10.0.0.1 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx4001 up
+
+ ip link set dev vx4001 master br1
+ bridge vlan add vid 4001 dev vx4001 pvid untagged
+
+ ip address add 10.0.0.1/32 dev lo
+
+ # Create SVIs
+ vrf_create "vrf-green"
+ ip link set dev vrf-green up
+
+ ip link add link br1 name vlan10 up master vrf-green type vlan id 10
+ ip address add 10.1.1.11/24 dev vlan10
+ ip link add link vlan10 name vlan10-v up master vrf-green \
+ address 00:00:5e:00:01:01 type macvlan mode private
+ ip address add 10.1.1.1/24 dev vlan10-v
+
+ ip link add link br1 name vlan20 up master vrf-green type vlan id 20
+ ip address add 10.1.2.11/24 dev vlan20
+ ip link add link vlan20 name vlan20-v up master vrf-green \
+ address 00:00:5e:00:01:01 type macvlan mode private
+ ip address add 10.1.2.1/24 dev vlan20-v
+
+ ip link add link br1 name vlan4001 up master vrf-green \
+ type vlan id 4001
+
+ bridge vlan add vid 10 dev br1 self
+ bridge vlan add vid 20 dev br1 self
+ bridge vlan add vid 4001 dev br1 self
+
+ bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
+ bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
+}
+
+switch_destroy()
+{
+ bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 20
+ bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 10
+
+ bridge vlan del vid 4001 dev br1 self
+ bridge vlan del vid 20 dev br1 self
+ bridge vlan del vid 10 dev br1 self
+
+ ip link del dev vlan4001
+
+ ip link del dev vlan20
+
+ ip link del dev vlan10
+
+ vrf_destroy "vrf-green"
+
+ ip address del 10.0.0.1/32 dev lo
+
+ bridge vlan del vid 20 dev $swp2
+ ip link set dev $swp2 down
+ ip link set dev $swp2 nomaster
+
+ bridge vlan del vid 10 dev $swp1
+ ip link set dev $swp1 down
+ ip link set dev $swp1 nomaster
+
+ bridge vlan del vid 4001 dev vx4001
+ ip link set dev vx4001 nomaster
+
+ ip link set dev vx4001 down
+ ip link del dev vx4001
+
+ bridge vlan del vid 20 dev vx20
+ ip link set dev vx20 nomaster
+
+ ip link set dev vx20 down
+ ip link del dev vx20
+
+ bridge vlan del vid 10 dev vx10
+ ip link set dev vx10 nomaster
+
+ ip link set dev vx10 down
+ ip link del dev vx10
+
+ ip route del 10.0.0.2/32 nexthop via 192.0.2.2
+ ip address del dev $rp1 192.0.2.1/24
+ ip link set dev $rp1 down
+
+ ip link set dev br1 down
+ ip link del dev br1
+}
+
+spine_create()
+{
+ vrf_create "vrf-spine"
+ ip link set dev $rp2 master vrf-spine
+ ip link set dev v1 master vrf-spine
+ ip link set dev vrf-spine up
+ ip link set dev $rp2 up
+ ip link set dev v1 up
+
+ ip address add 192.0.2.2/24 dev $rp2
+ ip address add 192.0.3.2/24 dev v1
+
+ ip route add 10.0.0.1/32 vrf vrf-spine nexthop via 192.0.2.1
+ ip route add 10.0.0.2/32 vrf vrf-spine nexthop via 192.0.3.1
+}
+
+spine_destroy()
+{
+ ip route del 10.0.0.2/32 vrf vrf-spine nexthop via 192.0.3.1
+ ip route del 10.0.0.1/32 vrf vrf-spine nexthop via 192.0.2.1
+
+ ip address del 192.0.3.2/24 dev v1
+ ip address del 192.0.2.2/24 dev $rp2
+
+ ip link set dev v1 down
+ ip link set dev $rp2 down
+ vrf_destroy "vrf-spine"
+}
+
+ns_h1_create()
+{
+ hx_create "vrf-h1" w2 10.1.1.102 10.1.1.1
+}
+export -f ns_h1_create
+
+ns_h2_create()
+{
+ hx_create "vrf-h2" w4 10.1.2.102 10.1.2.1
+}
+export -f ns_h2_create
+
+ns_switch_create()
+{
+ ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \
+ mcast_snooping 0
+ ip link set dev br1 up
+
+ ip link set dev v2 up
+ ip address add dev v2 192.0.3.1/24
+ ip route add 10.0.0.1/32 nexthop via 192.0.3.2
+
+ ip link add name vx10 type vxlan id 1010 \
+ local 10.0.0.2 remote 10.0.0.1 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx10 up
+
+ ip link set dev vx10 master br1
+ bridge vlan add vid 10 dev vx10 pvid untagged
+
+ ip link add name vx20 type vxlan id 1020 \
+ local 10.0.0.2 remote 10.0.0.1 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx20 up
+
+ ip link set dev vx20 master br1
+ bridge vlan add vid 20 dev vx20 pvid untagged
+
+ ip link add name vx4001 type vxlan id 104001 \
+ local 10.0.0.2 dstport 4789 \
+ nolearning noudpcsum tos inherit ttl 100
+ ip link set dev vx4001 up
+
+ ip link set dev vx4001 master br1
+ bridge vlan add vid 4001 dev vx4001 pvid untagged
+
+ ip link set dev w1 master br1
+ ip link set dev w1 up
+ bridge vlan add vid 10 dev w1 pvid untagged
+
+ ip link set dev w3 master br1
+ ip link set dev w3 up
+ bridge vlan add vid 20 dev w3 pvid untagged
+
+ ip address add 10.0.0.2/32 dev lo
+
+ # Create SVIs
+ vrf_create "vrf-green"
+ ip link set dev vrf-green up
+
+ ip link add link br1 name vlan10 up master vrf-green type vlan id 10
+ ip address add 10.1.1.12/24 dev vlan10
+ ip link add link vlan10 name vlan10-v up master vrf-green \
+ address 00:00:5e:00:01:01 type macvlan mode private
+ ip address add 10.1.1.1/24 dev vlan10-v
+
+ ip link add link br1 name vlan20 up master vrf-green type vlan id 20
+ ip address add 10.1.2.12/24 dev vlan20
+ ip link add link vlan20 name vlan20-v up master vrf-green \
+ address 00:00:5e:00:01:01 type macvlan mode private
+ ip address add 10.1.2.1/24 dev vlan20-v
+
+ ip link add link br1 name vlan4001 up master vrf-green \
+ type vlan id 4001
+
+ bridge vlan add vid 10 dev br1 self
+ bridge vlan add vid 20 dev br1 self
+ bridge vlan add vid 4001 dev br1 self
+
+ bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
+ bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
+}
+export -f ns_switch_create
+
+ns_init()
+{
+ ip link add name w1 type veth peer name w2
+ ip link add name w3 type veth peer name w4
+
+ ip link set dev lo up
+
+ ns_h1_create
+ ns_h2_create
+ ns_switch_create
+}
+export -f ns_init
+
+ns1_create()
+{
+ ip netns add ns1
+ ip link set dev v2 netns ns1
+ in_ns ns1 ns_init
+}
+
+ns1_destroy()
+{
+ ip netns exec ns1 ip link set dev v2 netns 1
+ ip netns del ns1
+}
+
+__l2_vni_init()
+{
+ local mac1=$1; shift
+ local mac2=$1; shift
+ local ip1=$1; shift
+ local ip2=$1; shift
+ local dst=$1; shift
+
+ bridge fdb add $mac1 dev vx10 self master extern_learn static \
+ dst $dst vlan 10
+ bridge fdb add $mac2 dev vx20 self master extern_learn static \
+ dst $dst vlan 20
+
+ ip neigh add $ip1 lladdr $mac1 nud noarp dev vlan10 \
+ extern_learn
+ ip neigh add $ip2 lladdr $mac2 nud noarp dev vlan20 \
+ extern_learn
+}
+export -f __l2_vni_init
+
+l2_vni_init()
+{
+ local h1_ns_mac=$(in_ns ns1 mac_get w2)
+ local h2_ns_mac=$(in_ns ns1 mac_get w4)
+ local h1_mac=$(mac_get $h1)
+ local h2_mac=$(mac_get $h2)
+
+ __l2_vni_init $h1_ns_mac $h2_ns_mac 10.1.1.102 10.1.2.102 10.0.0.2
+ in_ns ns1 __l2_vni_init $h1_mac $h2_mac 10.1.1.101 10.1.2.101 10.0.0.1
+}
+
+__l3_vni_init()
+{
+ local mac=$1; shift
+ local vtep_ip=$1; shift
+ local host1_ip=$1; shift
+ local host2_ip=$1; shift
+
+ bridge fdb add $mac dev vx4001 self master extern_learn static \
+ dst $vtep_ip vlan 4001
+
+ ip neigh add $vtep_ip lladdr $mac nud noarp dev vlan4001 extern_learn
+
+ ip route add $host1_ip/32 vrf vrf-green nexthop via $vtep_ip \
+ dev vlan4001 onlink
+ ip route add $host2_ip/32 vrf vrf-green nexthop via $vtep_ip \
+ dev vlan4001 onlink
+}
+export -f __l3_vni_init
+
+l3_vni_init()
+{
+ local vlan4001_ns_mac=$(in_ns ns1 mac_get vlan4001)
+ local vlan4001_mac=$(mac_get vlan4001)
+
+ __l3_vni_init $vlan4001_ns_mac 10.0.0.2 10.1.1.102 10.1.2.102
+ in_ns ns1 __l3_vni_init $vlan4001_mac 10.0.0.1 10.1.1.101 10.1.2.101
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+
+ swp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ rp1=${NETIFS[p5]}
+ rp2=${NETIFS[p6]}
+
+ vrf_prepare
+ forwarding_enable
+
+ h1_create
+ h2_create
+ switch_create
+
+ ip link add name v1 type veth peer name v2
+ spine_create
+ ns1_create
+
+ l2_vni_init
+ l3_vni_init
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ ns1_destroy
+ spine_destroy
+ ip link del dev v1
+
+ switch_destroy
+ h2_destroy
+ h1_destroy
+
+ forwarding_restore
+ vrf_cleanup
+}
+
+ping_ipv4()
+{
+ ping_test $h1 10.1.2.101 ": local->local vid 10->vid 20"
+ ping_test $h1 10.1.1.102 ": local->remote vid 10->vid 10"
+ ping_test $h2 10.1.2.102 ": local->remote vid 20->vid 20"
+ ping_test $h1 10.1.2.102 ": local->remote vid 10->vid 20"
+ ping_test $h2 10.1.1.102 ": local->remote vid 20->vid 10"
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/icmp_redirect.sh b/tools/testing/selftests/net/icmp_redirect.sh
new file mode 100755
index 000000000000..18c5de53558a
--- /dev/null
+++ b/tools/testing/selftests/net/icmp_redirect.sh
@@ -0,0 +1,534 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# redirect test
+#
+# .253 +----+
+# +----| r1 |
+# | +----+
+# +----+ | |.1
+# | h1 |--------------+ | 10.1.1.0/30 2001:db8:1::0/126
+# +----+ .1 | |.2
+# 172.16.1/24 | +----+ +----+
+# 2001:db8:16:1/64 +----| r2 |-------------------| h2 |
+# .254 +----+ .254 .2 +----+
+# 172.16.2/24
+# 2001:db8:16:2/64
+#
+# Route from h1 to h2 goes through r1, eth1 - connection between r1 and r2.
+# Route on r1 changed to go to r2 via eth0. This causes a redirect to be sent
+# from r1 to h1 telling h1 to use r2 when talking to h2.
+
+VERBOSE=0
+PAUSE_ON_FAIL=no
+
+H1_N1_IP=172.16.1.1
+R1_N1_IP=172.16.1.253
+R2_N1_IP=172.16.1.254
+
+H1_N1_IP6=2001:db8:16:1::1
+R1_N1_IP6=2001:db8:16:1::253
+R2_N1_IP6=2001:db8:16:1::254
+
+R1_R2_N1_IP=10.1.1.1
+R2_R1_N1_IP=10.1.1.2
+
+R1_R2_N1_IP6=2001:db8:1::1
+R2_R1_N1_IP6=2001:db8:1::2
+
+H2_N2=172.16.2.0/24
+H2_N2_6=2001:db8:16:2::/64
+H2_N2_IP=172.16.2.2
+R2_N2_IP=172.16.2.254
+H2_N2_IP6=2001:db8:16:2::2
+R2_N2_IP6=2001:db8:16:2::254
+
+VRF=red
+VRF_TABLE=1111
+
+################################################################################
+# helpers
+
+log_section()
+{
+ echo
+ echo "###########################################################################"
+ echo "$*"
+ echo "###########################################################################"
+ echo
+}
+
+log_test()
+{
+ local rc=$1
+ local expected=$2
+ local msg="$3"
+
+ if [ ${rc} -eq ${expected} ]; then
+ printf "TEST: %-60s [ OK ]\n" "${msg}"
+ nsuccess=$((nsuccess+1))
+ else
+ ret=1
+ nfail=$((nfail+1))
+ printf "TEST: %-60s [FAIL]\n" "${msg}"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+ fi
+}
+
+log_debug()
+{
+ if [ "$VERBOSE" = "1" ]; then
+ echo "$*"
+ fi
+}
+
+run_cmd()
+{
+ local cmd="$*"
+ local out
+ local rc
+
+ if [ "$VERBOSE" = "1" ]; then
+ echo "COMMAND: $cmd"
+ fi
+
+ out=$(eval $cmd 2>&1)
+ rc=$?
+ if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+ echo "$out"
+ fi
+
+ [ "$VERBOSE" = "1" ] && echo
+
+ return $rc
+}
+
+get_linklocal()
+{
+ local ns=$1
+ local dev=$2
+ local addr
+
+ addr=$(ip -netns $ns -6 -br addr show dev ${dev} | \
+ awk '{
+ for (i = 3; i <= NF; ++i) {
+ if ($i ~ /^fe80/)
+ print $i
+ }
+ }'
+ )
+ addr=${addr/\/*}
+
+ [ -z "$addr" ] && return 1
+
+ echo $addr
+
+ return 0
+}
+
+################################################################################
+# setup and teardown
+
+cleanup()
+{
+ local ns
+
+ for ns in h1 h2 r1 r2; do
+ ip netns del $ns 2>/dev/null
+ done
+}
+
+create_vrf()
+{
+ local ns=$1
+
+ ip -netns ${ns} link add ${VRF} type vrf table ${VRF_TABLE}
+ ip -netns ${ns} link set ${VRF} up
+ ip -netns ${ns} route add vrf ${VRF} unreachable default metric 8192
+ ip -netns ${ns} -6 route add vrf ${VRF} unreachable default metric 8192
+
+ ip -netns ${ns} addr add 127.0.0.1/8 dev ${VRF}
+ ip -netns ${ns} -6 addr add ::1 dev ${VRF} nodad
+
+ ip -netns ${ns} ru del pref 0
+ ip -netns ${ns} ru add pref 32765 from all lookup local
+ ip -netns ${ns} -6 ru del pref 0
+ ip -netns ${ns} -6 ru add pref 32765 from all lookup local
+}
+
+setup()
+{
+ local ns
+
+ #
+ # create nodes as namespaces
+ #
+ for ns in h1 h2 r1 r2; do
+ ip netns add $ns
+ ip -netns $ns li set lo up
+
+ case "${ns}" in
+ h[12]) ip netns exec $ns sysctl -q -w net.ipv4.conf.all.accept_redirects=1
+ ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=0
+ ip netns exec $ns sysctl -q -w net.ipv6.conf.all.accept_redirects=1
+ ip netns exec $ns sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1
+ ;;
+ r[12]) ip netns exec $ns sysctl -q -w net.ipv4.ip_forward=1
+ ip netns exec $ns sysctl -q -w net.ipv4.conf.all.send_redirects=1
+
+ ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=1
+ ip netns exec $ns sysctl -q -w net.ipv6.route.mtu_expires=10
+ esac
+ done
+
+ #
+ # create interconnects
+ #
+ ip -netns h1 li add eth0 type veth peer name r1h1
+ ip -netns h1 li set r1h1 netns r1 name eth0 up
+
+ ip -netns h1 li add eth1 type veth peer name r2h1
+ ip -netns h1 li set r2h1 netns r2 name eth0 up
+
+ ip -netns h2 li add eth0 type veth peer name r2h2
+ ip -netns h2 li set eth0 up
+ ip -netns h2 li set r2h2 netns r2 name eth2 up
+
+ ip -netns r1 li add eth1 type veth peer name r2r1
+ ip -netns r1 li set eth1 up
+ ip -netns r1 li set r2r1 netns r2 name eth1 up
+
+ #
+ # h1
+ #
+ if [ "${WITH_VRF}" = "yes" ]; then
+ create_vrf "h1"
+ H1_VRF_ARG="vrf ${VRF}"
+ H1_PING_ARG="-I ${VRF}"
+ else
+ H1_VRF_ARG=
+ H1_PING_ARG=
+ fi
+ ip -netns h1 li add br0 type bridge
+ if [ "${WITH_VRF}" = "yes" ]; then
+ ip -netns h1 li set br0 vrf ${VRF} up
+ else
+ ip -netns h1 li set br0 up
+ fi
+ ip -netns h1 addr add dev br0 ${H1_N1_IP}/24
+ ip -netns h1 -6 addr add dev br0 ${H1_N1_IP6}/64 nodad
+ ip -netns h1 li set eth0 master br0 up
+ ip -netns h1 li set eth1 master br0 up
+
+ #
+ # h2
+ #
+ ip -netns h2 addr add dev eth0 ${H2_N2_IP}/24
+ ip -netns h2 ro add default via ${R2_N2_IP} dev eth0
+ ip -netns h2 -6 addr add dev eth0 ${H2_N2_IP6}/64 nodad
+ ip -netns h2 -6 ro add default via ${R2_N2_IP6} dev eth0
+
+ #
+ # r1
+ #
+ ip -netns r1 addr add dev eth0 ${R1_N1_IP}/24
+ ip -netns r1 -6 addr add dev eth0 ${R1_N1_IP6}/64 nodad
+ ip -netns r1 addr add dev eth1 ${R1_R2_N1_IP}/30
+ ip -netns r1 -6 addr add dev eth1 ${R1_R2_N1_IP6}/126 nodad
+
+ #
+ # r2
+ #
+ ip -netns r2 addr add dev eth0 ${R2_N1_IP}/24
+ ip -netns r2 -6 addr add dev eth0 ${R2_N1_IP6}/64 nodad
+ ip -netns r2 addr add dev eth1 ${R2_R1_N1_IP}/30
+ ip -netns r2 -6 addr add dev eth1 ${R2_R1_N1_IP6}/126 nodad
+ ip -netns r2 addr add dev eth2 ${R2_N2_IP}/24
+ ip -netns r2 -6 addr add dev eth2 ${R2_N2_IP6}/64 nodad
+
+ sleep 2
+
+ R1_LLADDR=$(get_linklocal r1 eth0)
+ if [ $? -ne 0 ]; then
+ echo "Error: Failed to get link-local address of r1's eth0"
+ exit 1
+ fi
+ log_debug "initial gateway is R1's lladdr = ${R1_LLADDR}"
+
+ R2_LLADDR=$(get_linklocal r2 eth0)
+ if [ $? -ne 0 ]; then
+ echo "Error: Failed to get link-local address of r2's eth0"
+ exit 1
+ fi
+ log_debug "initial gateway is R2's lladdr = ${R2_LLADDR}"
+}
+
+change_h2_mtu()
+{
+ local mtu=$1
+
+ run_cmd ip -netns h2 li set eth0 mtu ${mtu}
+ run_cmd ip -netns r2 li set eth2 mtu ${mtu}
+}
+
+check_exception()
+{
+ local mtu="$1"
+ local with_redirect="$2"
+ local desc="$3"
+
+ # From 172.16.1.101: icmp_seq=1 Redirect Host(New nexthop: 172.16.1.102)
+ if [ "$VERBOSE" = "1" ]; then
+ echo "Commands to check for exception:"
+ run_cmd ip -netns h1 ro get ${H1_VRF_ARG} ${H2_N2_IP}
+ run_cmd ip -netns h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6}
+ fi
+
+ if [ -n "${mtu}" ]; then
+ mtu=" mtu ${mtu}"
+ fi
+ if [ "$with_redirect" = "yes" ]; then
+ ip -netns h1 ro get ${H1_VRF_ARG} ${H2_N2_IP} | \
+ grep -q "cache <redirected> expires [0-9]*sec${mtu}"
+ elif [ -n "${mtu}" ]; then
+ ip -netns h1 ro get ${H1_VRF_ARG} ${H2_N2_IP} | \
+ grep -q "cache expires [0-9]*sec${mtu}"
+ else
+ # want to verify that neither mtu nor redirected appears in
+ # the route get output. The -v will wipe out the cache line
+ # if either are set so the last grep -q will not find a match
+ ip -netns h1 ro get ${H1_VRF_ARG} ${H2_N2_IP} | \
+ grep -E -v 'mtu|redirected' | grep -q "cache"
+ fi
+ log_test $? 0 "IPv4: ${desc}"
+
+ if [ "$with_redirect" = "yes" ]; then
+ ip -netns h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6} | \
+ grep -q "${H2_N2_IP6} from :: via ${R2_LLADDR} dev br0.*${mtu}"
+ elif [ -n "${mtu}" ]; then
+ ip -netns h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6} | \
+ grep -q "${mtu}"
+ else
+ # IPv6 is a bit harder. First strip out the match if it
+ # contains an mtu exception and then look for the first
+ # gateway - R1's lladdr
+ ip -netns h1 -6 ro get ${H1_VRF_ARG} ${H2_N2_IP6} | \
+ grep -v "mtu" | grep -q "${R1_LLADDR}"
+ fi
+ log_test $? 0 "IPv6: ${desc}"
+}
+
+run_ping()
+{
+ local sz=$1
+
+ run_cmd ip netns exec h1 ping -q -M want -i 0.5 -c 10 -w 2 -s ${sz} ${H1_PING_ARG} ${H2_N2_IP}
+ run_cmd ip netns exec h1 ${ping6} -q -M want -i 0.5 -c 10 -w 2 -s ${sz} ${H1_PING_ARG} ${H2_N2_IP6}
+}
+
+replace_route_new()
+{
+ # r1 to h2 via r2 and eth0
+ run_cmd ip -netns r1 nexthop replace id 1 via ${R2_N1_IP} dev eth0
+ run_cmd ip -netns r1 nexthop replace id 2 via ${R2_LLADDR} dev eth0
+}
+
+reset_route_new()
+{
+ run_cmd ip -netns r1 nexthop flush
+ run_cmd ip -netns h1 nexthop flush
+
+ initial_route_new
+}
+
+initial_route_new()
+{
+ # r1 to h2 via r2 and eth1
+ run_cmd ip -netns r1 nexthop add id 1 via ${R2_R1_N1_IP} dev eth1
+ run_cmd ip -netns r1 ro add ${H2_N2} nhid 1
+
+ run_cmd ip -netns r1 nexthop add id 2 via ${R2_R1_N1_IP6} dev eth1
+ run_cmd ip -netns r1 -6 ro add ${H2_N2_6} nhid 2
+
+ # h1 to h2 via r1
+ run_cmd ip -netns h1 nexthop add id 1 via ${R1_N1_IP} dev br0
+ run_cmd ip -netns h1 ro add ${H1_VRF_ARG} ${H2_N2} nhid 1
+
+ run_cmd ip -netns h1 nexthop add id 2 via ${R1_LLADDR} dev br0
+ run_cmd ip -netns h1 -6 ro add ${H1_VRF_ARG} ${H2_N2_6} nhid 2
+}
+
+replace_route_legacy()
+{
+ # r1 to h2 via r2 and eth0
+ run_cmd ip -netns r1 ro replace ${H2_N2} via ${R2_N1_IP} dev eth0
+ run_cmd ip -netns r1 -6 ro replace ${H2_N2_6} via ${R2_LLADDR} dev eth0
+}
+
+reset_route_legacy()
+{
+ run_cmd ip -netns r1 ro del ${H2_N2}
+ run_cmd ip -netns r1 -6 ro del ${H2_N2_6}
+
+ run_cmd ip -netns h1 ro del ${H1_VRF_ARG} ${H2_N2}
+ run_cmd ip -netns h1 -6 ro del ${H1_VRF_ARG} ${H2_N2_6}
+
+ initial_route_legacy
+}
+
+initial_route_legacy()
+{
+ # r1 to h2 via r2 and eth1
+ run_cmd ip -netns r1 ro add ${H2_N2} via ${R2_R1_N1_IP} dev eth1
+ run_cmd ip -netns r1 -6 ro add ${H2_N2_6} via ${R2_R1_N1_IP6} dev eth1
+
+ # h1 to h2 via r1
+ # - IPv6 redirect only works if gateway is the LLA
+ run_cmd ip -netns h1 ro add ${H1_VRF_ARG} ${H2_N2} via ${R1_N1_IP} dev br0
+ run_cmd ip -netns h1 -6 ro add ${H1_VRF_ARG} ${H2_N2_6} via ${R1_LLADDR} dev br0
+}
+
+check_connectivity()
+{
+ local rc
+
+ run_cmd ip netns exec h1 ping -c1 -w1 ${H1_PING_ARG} ${H2_N2_IP}
+ rc=$?
+ run_cmd ip netns exec h1 ${ping6} -c1 -w1 ${H1_PING_ARG} ${H2_N2_IP6}
+ [ $? -ne 0 ] && rc=$?
+
+ return $rc
+}
+
+do_test()
+{
+ local ttype="$1"
+
+ eval initial_route_${ttype}
+
+ # verify connectivity
+ check_connectivity
+ if [ $? -ne 0 ]; then
+ echo "Error: Basic connectivity is broken"
+ ret=1
+ return
+ fi
+
+ # redirect exception followed by mtu
+ eval replace_route_${ttype}
+ run_ping 64
+ check_exception "" "yes" "redirect exception"
+
+ check_connectivity
+ if [ $? -ne 0 ]; then
+ echo "Error: Basic connectivity is broken after redirect"
+ ret=1
+ return
+ fi
+
+ change_h2_mtu 1300
+ run_ping 1350
+ check_exception "1300" "yes" "redirect exception plus mtu"
+
+ # remove exceptions and restore routing
+ change_h2_mtu 1500
+ eval reset_route_${ttype}
+
+ check_connectivity
+ if [ $? -ne 0 ]; then
+ echo "Error: Basic connectivity is broken after reset"
+ ret=1
+ return
+ fi
+ check_exception "" "no" "routing reset"
+
+ # MTU exception followed by redirect
+ change_h2_mtu 1300
+ run_ping 1350
+ check_exception "1300" "no" "mtu exception"
+
+ eval replace_route_${ttype}
+ run_ping 64
+ check_exception "1300" "yes" "mtu exception plus redirect"
+
+ check_connectivity
+ if [ $? -ne 0 ]; then
+ echo "Error: Basic connectivity is broken after redirect"
+ ret=1
+ return
+ fi
+}
+
+################################################################################
+# usage
+
+usage()
+{
+ cat <<EOF
+usage: ${0##*/} OPTS
+
+ -p Pause on fail
+ -v verbose mode (show commands and output)
+EOF
+}
+
+################################################################################
+# main
+
+# Some systems don't have a ping6 binary anymore
+which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
+
+ret=0
+nsuccess=0
+nfail=0
+
+while getopts :pv o
+do
+ case $o in
+ p) PAUSE_ON_FAIL=yes;;
+ v) VERBOSE=$(($VERBOSE + 1));;
+ *) usage; exit 1;;
+ esac
+done
+
+trap cleanup EXIT
+
+cleanup
+WITH_VRF=no
+setup
+
+log_section "Legacy routing"
+do_test "legacy"
+
+cleanup
+log_section "Legacy routing with VRF"
+WITH_VRF=yes
+setup
+do_test "legacy"
+
+cleanup
+log_section "Routing with nexthop objects"
+ip nexthop ls >/dev/null 2>&1
+if [ $? -eq 0 ]; then
+ WITH_VRF=no
+ setup
+ do_test "new"
+
+ cleanup
+ log_section "Routing with nexthop objects and VRF"
+ WITH_VRF=yes
+ setup
+ do_test "new"
+else
+ echo "Nexthop objects not supported; skipping tests"
+fi
+
+printf "\nTests passed: %3d\n" ${nsuccess}
+printf "Tests failed: %3d\n" ${nfail}
+
+exit $ret
diff --git a/tools/testing/selftests/net/ip_defrag.c b/tools/testing/selftests/net/ip_defrag.c
index 5d56cc0838f6..c0c9ecb891e1 100644
--- a/tools/testing/selftests/net/ip_defrag.c
+++ b/tools/testing/selftests/net/ip_defrag.c
@@ -20,6 +20,7 @@ static bool cfg_do_ipv4;
static bool cfg_do_ipv6;
static bool cfg_verbose;
static bool cfg_overlap;
+static bool cfg_permissive;
static unsigned short cfg_port = 9000;
const struct in_addr addr4 = { .s_addr = __constant_htonl(INADDR_LOOPBACK + 2) };
@@ -35,7 +36,7 @@ const struct in6_addr addr6 = IN6ADDR_LOOPBACK_INIT;
static int payload_len;
static int max_frag_len;
-#define MSG_LEN_MAX 60000 /* Max UDP payload length. */
+#define MSG_LEN_MAX 10000 /* Max UDP payload length. */
#define IP4_MF (1u << 13) /* IPv4 MF flag. */
#define IP6_MF (1) /* IPv6 MF flag. */
@@ -59,13 +60,14 @@ static void recv_validate_udp(int fd_udp)
msg_counter++;
if (cfg_overlap) {
- if (ret != -1)
- error(1, 0, "recv: expected timeout; got %d",
- (int)ret);
- if (errno != ETIMEDOUT && errno != EAGAIN)
- error(1, errno, "recv: expected timeout: %d",
- errno);
- return; /* OK */
+ if (ret == -1 && (errno == ETIMEDOUT || errno == EAGAIN))
+ return; /* OK */
+ if (!cfg_permissive) {
+ if (ret != -1)
+ error(1, 0, "recv: expected timeout; got %d",
+ (int)ret);
+ error(1, errno, "recv: expected timeout: %d", errno);
+ }
}
if (ret == -1)
@@ -203,7 +205,6 @@ static void send_udp_frags(int fd_raw, struct sockaddr *addr,
{
struct ip *iphdr = (struct ip *)ip_frame;
struct ip6_hdr *ip6hdr = (struct ip6_hdr *)ip_frame;
- const bool ipv4 = !ipv6;
int res;
int offset;
int frag_len;
@@ -251,7 +252,7 @@ static void send_udp_frags(int fd_raw, struct sockaddr *addr,
}
/* Occasionally test IPv4 "runs" (see net/ipv4/ip_fragment.c) */
- if (ipv4 && !cfg_overlap && (rand() % 100 < 20) &&
+ if (!cfg_overlap && (rand() % 100 < 20) &&
(payload_len > 9 * max_frag_len)) {
offset = 6 * max_frag_len;
while (offset < (UDP_HLEN + payload_len)) {
@@ -276,41 +277,38 @@ static void send_udp_frags(int fd_raw, struct sockaddr *addr,
while (offset < (UDP_HLEN + payload_len)) {
send_fragment(fd_raw, addr, alen, offset, ipv6);
/* IPv4 ignores duplicates, so randomly send a duplicate. */
- if (ipv4 && (1 == rand() % 100))
+ if (rand() % 100 == 1)
send_fragment(fd_raw, addr, alen, offset, ipv6);
offset += 2 * max_frag_len;
}
if (cfg_overlap) {
- /* Send an extra random fragment. */
+ /* Send an extra random fragment.
+ *
+ * Duplicates and some fragments completely inside
+ * previously sent fragments are dropped/ignored. So
+ * random offset and frag_len can result in a dropped
+ * fragment instead of a dropped queue/packet. Thus we
+ * hard-code offset and frag_len.
+ */
+ if (max_frag_len * 4 < payload_len || max_frag_len < 16) {
+ /* not enough payload for random offset and frag_len. */
+ offset = 8;
+ frag_len = UDP_HLEN + max_frag_len;
+ } else {
+ offset = rand() % (payload_len / 2);
+ frag_len = 2 * max_frag_len + 1 + rand() % 256;
+ }
if (ipv6) {
struct ip6_frag *fraghdr = (struct ip6_frag *)(ip_frame + IP6_HLEN);
/* sendto() returns EINVAL if offset + frag_len is too small. */
- offset = rand() % (UDP_HLEN + payload_len - 1);
- frag_len = max_frag_len + rand() % 256;
/* In IPv6 if !!(frag_len % 8), the fragment is dropped. */
frag_len &= ~0x7;
fraghdr->ip6f_offlg = htons(offset / 8 | IP6_MF);
ip6hdr->ip6_plen = htons(frag_len);
frag_len += IP6_HLEN;
} else {
- /* In IPv4, duplicates and some fragments completely inside
- * previously sent fragments are dropped/ignored. So
- * random offset and frag_len can result in a dropped
- * fragment instead of a dropped queue/packet. So we
- * hard-code offset and frag_len.
- *
- * See ade446403bfb ("net: ipv4: do not handle duplicate
- * fragments as overlapping").
- */
- if (max_frag_len * 4 < payload_len || max_frag_len < 16) {
- /* not enough payload to play with random offset and frag_len. */
- offset = 8;
- frag_len = IP4_HLEN + UDP_HLEN + max_frag_len;
- } else {
- offset = rand() % (payload_len / 2);
- frag_len = 2 * max_frag_len + 1 + rand() % 256;
- }
+ frag_len += IP4_HLEN;
iphdr->ip_off = htons(offset / 8 | IP4_MF);
iphdr->ip_len = htons(frag_len);
}
@@ -327,7 +325,7 @@ static void send_udp_frags(int fd_raw, struct sockaddr *addr,
while (offset < (UDP_HLEN + payload_len)) {
send_fragment(fd_raw, addr, alen, offset, ipv6);
/* IPv4 ignores duplicates, so randomly send a duplicate. */
- if (ipv4 && (1 == rand() % 100))
+ if (rand() % 100 == 1)
send_fragment(fd_raw, addr, alen, offset, ipv6);
offset += 2 * max_frag_len;
}
@@ -342,7 +340,7 @@ static void run_test(struct sockaddr *addr, socklen_t alen, bool ipv6)
*/
struct timeval tv = { .tv_sec = 1, .tv_usec = 10 };
int idx;
- int min_frag_len = ipv6 ? 1280 : 8;
+ int min_frag_len = 8;
/* Initialize the payload. */
for (idx = 0; idx < MSG_LEN_MAX; ++idx)
@@ -434,7 +432,7 @@ static void parse_opts(int argc, char **argv)
{
int c;
- while ((c = getopt(argc, argv, "46ov")) != -1) {
+ while ((c = getopt(argc, argv, "46opv")) != -1) {
switch (c) {
case '4':
cfg_do_ipv4 = true;
@@ -445,6 +443,9 @@ static void parse_opts(int argc, char **argv)
case 'o':
cfg_overlap = true;
break;
+ case 'p':
+ cfg_permissive = true;
+ break;
case 'v':
cfg_verbose = true;
break;
diff --git a/tools/testing/selftests/net/ip_defrag.sh b/tools/testing/selftests/net/ip_defrag.sh
index 7dd79a9efb17..15d3489ecd9c 100755
--- a/tools/testing/selftests/net/ip_defrag.sh
+++ b/tools/testing/selftests/net/ip_defrag.sh
@@ -20,6 +20,10 @@ setup() {
ip netns exec "${NETNS}" sysctl -w net.ipv6.ip6frag_low_thresh=7000000 >/dev/null 2>&1
ip netns exec "${NETNS}" sysctl -w net.ipv6.ip6frag_time=1 >/dev/null 2>&1
+ ip netns exec "${NETNS}" sysctl -w net.netfilter.nf_conntrack_frag6_high_thresh=9000000 >/dev/null 2>&1
+ ip netns exec "${NETNS}" sysctl -w net.netfilter.nf_conntrack_frag6_low_thresh=7000000 >/dev/null 2>&1
+ ip netns exec "${NETNS}" sysctl -w net.netfilter.nf_conntrack_frag6_timeout=1 >/dev/null 2>&1
+
# DST cache can get full with a lot of frags, with GC not keeping up with the test.
ip netns exec "${NETNS}" sysctl -w net.ipv6.route.max_size=65536 >/dev/null 2>&1
}
@@ -43,4 +47,16 @@ ip netns exec "${NETNS}" ./ip_defrag -6
echo "ipv6 defrag with overlaps"
ip netns exec "${NETNS}" ./ip_defrag -6o
+# insert an nf_conntrack rule so that the codepath in nf_conntrack_reasm.c taken
+ip netns exec "${NETNS}" ip6tables -A INPUT -m conntrack --ctstate INVALID -j ACCEPT
+
+echo "ipv6 nf_conntrack defrag"
+ip netns exec "${NETNS}" ./ip_defrag -6
+
+echo "ipv6 nf_conntrack defrag with overlaps"
+# netfilter will drop some invalid packets, so we run the test in
+# permissive mode: i.e. pass the test if the packet is correctly assembled
+# even if we sent an overlap
+ip netns exec "${NETNS}" ./ip_defrag -6op
+
echo "all tests done"
diff --git a/tools/testing/selftests/net/ipv6_flowlabel.c b/tools/testing/selftests/net/ipv6_flowlabel.c
new file mode 100644
index 000000000000..a7c41375374f
--- /dev/null
+++ b/tools/testing/selftests/net/ipv6_flowlabel.c
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Test IPV6_FLOWINFO cmsg on send and recv */
+
+#define _GNU_SOURCE
+
+#include <arpa/inet.h>
+#include <asm/byteorder.h>
+#include <error.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <linux/in6.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+/* uapi/glibc weirdness may leave this undefined */
+#ifndef IPV6_FLOWINFO
+#define IPV6_FLOWINFO 11
+#endif
+
+#ifndef IPV6_FLOWLABEL_MGR
+#define IPV6_FLOWLABEL_MGR 32
+#endif
+
+#define FLOWLABEL_WILDCARD ((uint32_t) -1)
+
+static const char cfg_data[] = "a";
+static uint32_t cfg_label = 1;
+
+static void do_send(int fd, bool with_flowlabel, uint32_t flowlabel)
+{
+ char control[CMSG_SPACE(sizeof(flowlabel))] = {0};
+ struct msghdr msg = {0};
+ struct iovec iov = {0};
+ int ret;
+
+ iov.iov_base = (char *)cfg_data;
+ iov.iov_len = sizeof(cfg_data);
+
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+
+ if (with_flowlabel) {
+ struct cmsghdr *cm;
+
+ cm = (void *)control;
+ cm->cmsg_len = CMSG_LEN(sizeof(flowlabel));
+ cm->cmsg_level = SOL_IPV6;
+ cm->cmsg_type = IPV6_FLOWINFO;
+ *(uint32_t *)CMSG_DATA(cm) = htonl(flowlabel);
+
+ msg.msg_control = control;
+ msg.msg_controllen = sizeof(control);
+ }
+
+ ret = sendmsg(fd, &msg, 0);
+ if (ret == -1)
+ error(1, errno, "send");
+
+ if (with_flowlabel)
+ fprintf(stderr, "sent with label %u\n", flowlabel);
+ else
+ fprintf(stderr, "sent without label\n");
+}
+
+static void do_recv(int fd, bool with_flowlabel, uint32_t expect)
+{
+ char control[CMSG_SPACE(sizeof(expect))];
+ char data[sizeof(cfg_data)];
+ struct msghdr msg = {0};
+ struct iovec iov = {0};
+ struct cmsghdr *cm;
+ uint32_t flowlabel;
+ int ret;
+
+ iov.iov_base = data;
+ iov.iov_len = sizeof(data);
+
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+
+ memset(control, 0, sizeof(control));
+ msg.msg_control = control;
+ msg.msg_controllen = sizeof(control);
+
+ ret = recvmsg(fd, &msg, 0);
+ if (ret == -1)
+ error(1, errno, "recv");
+ if (msg.msg_flags & (MSG_TRUNC | MSG_CTRUNC))
+ error(1, 0, "recv: truncated");
+ if (ret != sizeof(cfg_data))
+ error(1, 0, "recv: length mismatch");
+ if (memcmp(data, cfg_data, sizeof(data)))
+ error(1, 0, "recv: data mismatch");
+
+ cm = CMSG_FIRSTHDR(&msg);
+ if (with_flowlabel) {
+ if (!cm)
+ error(1, 0, "recv: missing cmsg");
+ if (CMSG_NXTHDR(&msg, cm))
+ error(1, 0, "recv: too many cmsg");
+ if (cm->cmsg_level != SOL_IPV6 ||
+ cm->cmsg_type != IPV6_FLOWINFO)
+ error(1, 0, "recv: unexpected cmsg level or type");
+
+ flowlabel = ntohl(*(uint32_t *)CMSG_DATA(cm));
+ fprintf(stderr, "recv with label %u\n", flowlabel);
+
+ if (expect != FLOWLABEL_WILDCARD && expect != flowlabel)
+ fprintf(stderr, "recv: incorrect flowlabel %u != %u\n",
+ flowlabel, expect);
+
+ } else {
+ fprintf(stderr, "recv without label\n");
+ }
+}
+
+static bool get_autoflowlabel_enabled(void)
+{
+ int fd, ret;
+ char val;
+
+ fd = open("/proc/sys/net/ipv6/auto_flowlabels", O_RDONLY);
+ if (fd == -1)
+ error(1, errno, "open sysctl");
+
+ ret = read(fd, &val, 1);
+ if (ret == -1)
+ error(1, errno, "read sysctl");
+ if (ret == 0)
+ error(1, 0, "read sysctl: 0");
+
+ if (close(fd))
+ error(1, errno, "close sysctl");
+
+ return val == '1';
+}
+
+static void flowlabel_get(int fd, uint32_t label, uint8_t share, uint16_t flags)
+{
+ struct in6_flowlabel_req req = {
+ .flr_action = IPV6_FL_A_GET,
+ .flr_label = htonl(label),
+ .flr_flags = flags,
+ .flr_share = share,
+ };
+
+ /* do not pass IPV6_ADDR_ANY or IPV6_ADDR_MAPPED */
+ req.flr_dst.s6_addr[0] = 0xfd;
+ req.flr_dst.s6_addr[15] = 0x1;
+
+ if (setsockopt(fd, SOL_IPV6, IPV6_FLOWLABEL_MGR, &req, sizeof(req)))
+ error(1, errno, "setsockopt flowlabel get");
+}
+
+static void parse_opts(int argc, char **argv)
+{
+ int c;
+
+ while ((c = getopt(argc, argv, "l:")) != -1) {
+ switch (c) {
+ case 'l':
+ cfg_label = strtoul(optarg, NULL, 0);
+ break;
+ default:
+ error(1, 0, "%s: parse error", argv[0]);
+ }
+ }
+}
+
+int main(int argc, char **argv)
+{
+ struct sockaddr_in6 addr = {
+ .sin6_family = AF_INET6,
+ .sin6_port = htons(8000),
+ .sin6_addr = IN6ADDR_LOOPBACK_INIT,
+ };
+ const int one = 1;
+ int fdt, fdr;
+
+ parse_opts(argc, argv);
+
+ fdt = socket(PF_INET6, SOCK_DGRAM, 0);
+ if (fdt == -1)
+ error(1, errno, "socket t");
+
+ fdr = socket(PF_INET6, SOCK_DGRAM, 0);
+ if (fdr == -1)
+ error(1, errno, "socket r");
+
+ if (connect(fdt, (void *)&addr, sizeof(addr)))
+ error(1, errno, "connect");
+ if (bind(fdr, (void *)&addr, sizeof(addr)))
+ error(1, errno, "bind");
+
+ flowlabel_get(fdt, cfg_label, IPV6_FL_S_EXCL, IPV6_FL_F_CREATE);
+
+ if (setsockopt(fdr, SOL_IPV6, IPV6_FLOWINFO, &one, sizeof(one)))
+ error(1, errno, "setsockopt flowinfo");
+
+ if (get_autoflowlabel_enabled()) {
+ fprintf(stderr, "send no label: recv auto flowlabel\n");
+ do_send(fdt, false, 0);
+ do_recv(fdr, true, FLOWLABEL_WILDCARD);
+ } else {
+ fprintf(stderr, "send no label: recv no label (auto off)\n");
+ do_send(fdt, false, 0);
+ do_recv(fdr, false, 0);
+ }
+
+ fprintf(stderr, "send label\n");
+ do_send(fdt, true, cfg_label);
+ do_recv(fdr, true, cfg_label);
+
+ if (close(fdr))
+ error(1, errno, "close r");
+ if (close(fdt))
+ error(1, errno, "close t");
+
+ return 0;
+}
diff --git a/tools/testing/selftests/net/ipv6_flowlabel.sh b/tools/testing/selftests/net/ipv6_flowlabel.sh
new file mode 100755
index 000000000000..d3bc6442704e
--- /dev/null
+++ b/tools/testing/selftests/net/ipv6_flowlabel.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Regression tests for IPv6 flowlabels
+#
+# run in separate namespaces to avoid mgmt db conflicts betweent tests
+
+set -e
+
+echo "TEST management"
+./in_netns.sh ./ipv6_flowlabel_mgr
+
+echo "TEST datapath"
+./in_netns.sh \
+ sh -c 'sysctl -q -w net.ipv6.auto_flowlabels=0 && ./ipv6_flowlabel -l 1'
+
+echo "TEST datapath (with auto-flowlabels)"
+./in_netns.sh \
+ sh -c 'sysctl -q -w net.ipv6.auto_flowlabels=1 && ./ipv6_flowlabel -l 1'
+
+echo OK. All tests passed
diff --git a/tools/testing/selftests/net/ipv6_flowlabel_mgr.c b/tools/testing/selftests/net/ipv6_flowlabel_mgr.c
new file mode 100644
index 000000000000..af95b48acea9
--- /dev/null
+++ b/tools/testing/selftests/net/ipv6_flowlabel_mgr.c
@@ -0,0 +1,199 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Test IPV6_FLOWINFO_MGR */
+
+#define _GNU_SOURCE
+
+#include <arpa/inet.h>
+#include <error.h>
+#include <errno.h>
+#include <limits.h>
+#include <linux/in6.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+/* uapi/glibc weirdness may leave this undefined */
+#ifndef IPV6_FLOWLABEL_MGR
+#define IPV6_FLOWLABEL_MGR 32
+#endif
+
+/* from net/ipv6/ip6_flowlabel.c */
+#define FL_MIN_LINGER 6
+
+#define explain(x) \
+ do { if (cfg_verbose) fprintf(stderr, " " x "\n"); } while (0)
+
+#define __expect(x) \
+ do { \
+ if (!(x)) \
+ fprintf(stderr, "[OK] " #x "\n"); \
+ else \
+ error(1, 0, "[ERR] " #x " (line %d)", __LINE__); \
+ } while (0)
+
+#define expect_pass(x) __expect(x)
+#define expect_fail(x) __expect(!(x))
+
+static bool cfg_long_running;
+static bool cfg_verbose;
+
+static int flowlabel_get(int fd, uint32_t label, uint8_t share, uint16_t flags)
+{
+ struct in6_flowlabel_req req = {
+ .flr_action = IPV6_FL_A_GET,
+ .flr_label = htonl(label),
+ .flr_flags = flags,
+ .flr_share = share,
+ };
+
+ /* do not pass IPV6_ADDR_ANY or IPV6_ADDR_MAPPED */
+ req.flr_dst.s6_addr[0] = 0xfd;
+ req.flr_dst.s6_addr[15] = 0x1;
+
+ return setsockopt(fd, SOL_IPV6, IPV6_FLOWLABEL_MGR, &req, sizeof(req));
+}
+
+static int flowlabel_put(int fd, uint32_t label)
+{
+ struct in6_flowlabel_req req = {
+ .flr_action = IPV6_FL_A_PUT,
+ .flr_label = htonl(label),
+ };
+
+ return setsockopt(fd, SOL_IPV6, IPV6_FLOWLABEL_MGR, &req, sizeof(req));
+}
+
+static void run_tests(int fd)
+{
+ int wstatus;
+ pid_t pid;
+
+ explain("cannot get non-existent label");
+ expect_fail(flowlabel_get(fd, 1, IPV6_FL_S_ANY, 0));
+
+ explain("cannot put non-existent label");
+ expect_fail(flowlabel_put(fd, 1));
+
+ explain("cannot create label greater than 20 bits");
+ expect_fail(flowlabel_get(fd, 0x1FFFFF, IPV6_FL_S_ANY,
+ IPV6_FL_F_CREATE));
+
+ explain("create a new label (FL_F_CREATE)");
+ expect_pass(flowlabel_get(fd, 1, IPV6_FL_S_ANY, IPV6_FL_F_CREATE));
+ explain("can get the label (without FL_F_CREATE)");
+ expect_pass(flowlabel_get(fd, 1, IPV6_FL_S_ANY, 0));
+ explain("can get it again with create flag set, too");
+ expect_pass(flowlabel_get(fd, 1, IPV6_FL_S_ANY, IPV6_FL_F_CREATE));
+ explain("cannot get it again with the exclusive (FL_FL_EXCL) flag");
+ expect_fail(flowlabel_get(fd, 1, IPV6_FL_S_ANY,
+ IPV6_FL_F_CREATE | IPV6_FL_F_EXCL));
+ explain("can now put exactly three references");
+ expect_pass(flowlabel_put(fd, 1));
+ expect_pass(flowlabel_put(fd, 1));
+ expect_pass(flowlabel_put(fd, 1));
+ expect_fail(flowlabel_put(fd, 1));
+
+ explain("create a new exclusive label (FL_S_EXCL)");
+ expect_pass(flowlabel_get(fd, 2, IPV6_FL_S_EXCL, IPV6_FL_F_CREATE));
+ explain("cannot get it again in non-exclusive mode");
+ expect_fail(flowlabel_get(fd, 2, IPV6_FL_S_ANY, IPV6_FL_F_CREATE));
+ explain("cannot get it again in exclusive mode either");
+ expect_fail(flowlabel_get(fd, 2, IPV6_FL_S_EXCL, IPV6_FL_F_CREATE));
+ expect_pass(flowlabel_put(fd, 2));
+
+ if (cfg_long_running) {
+ explain("cannot reuse the label, due to linger");
+ expect_fail(flowlabel_get(fd, 2, IPV6_FL_S_ANY,
+ IPV6_FL_F_CREATE));
+ explain("after sleep, can reuse");
+ sleep(FL_MIN_LINGER * 2 + 1);
+ expect_pass(flowlabel_get(fd, 2, IPV6_FL_S_ANY,
+ IPV6_FL_F_CREATE));
+ }
+
+ explain("create a new user-private label (FL_S_USER)");
+ expect_pass(flowlabel_get(fd, 3, IPV6_FL_S_USER, IPV6_FL_F_CREATE));
+ explain("cannot get it again in non-exclusive mode");
+ expect_fail(flowlabel_get(fd, 3, IPV6_FL_S_ANY, 0));
+ explain("cannot get it again in exclusive mode");
+ expect_fail(flowlabel_get(fd, 3, IPV6_FL_S_EXCL, 0));
+ explain("can get it again in user mode");
+ expect_pass(flowlabel_get(fd, 3, IPV6_FL_S_USER, 0));
+ explain("child process can get it too, but not after setuid(nobody)");
+ pid = fork();
+ if (pid == -1)
+ error(1, errno, "fork");
+ if (!pid) {
+ expect_pass(flowlabel_get(fd, 3, IPV6_FL_S_USER, 0));
+ if (setuid(USHRT_MAX))
+ fprintf(stderr, "[INFO] skip setuid child test\n");
+ else
+ expect_fail(flowlabel_get(fd, 3, IPV6_FL_S_USER, 0));
+ exit(0);
+ }
+ if (wait(&wstatus) == -1)
+ error(1, errno, "wait");
+ if (!WIFEXITED(wstatus) || WEXITSTATUS(wstatus) != 0)
+ error(1, errno, "wait: unexpected child result");
+
+ explain("create a new process-private label (FL_S_PROCESS)");
+ expect_pass(flowlabel_get(fd, 4, IPV6_FL_S_PROCESS, IPV6_FL_F_CREATE));
+ explain("can get it again");
+ expect_pass(flowlabel_get(fd, 4, IPV6_FL_S_PROCESS, 0));
+ explain("child process cannot can get it");
+ pid = fork();
+ if (pid == -1)
+ error(1, errno, "fork");
+ if (!pid) {
+ expect_fail(flowlabel_get(fd, 4, IPV6_FL_S_PROCESS, 0));
+ exit(0);
+ }
+ if (wait(&wstatus) == -1)
+ error(1, errno, "wait");
+ if (!WIFEXITED(wstatus) || WEXITSTATUS(wstatus) != 0)
+ error(1, errno, "wait: unexpected child result");
+}
+
+static void parse_opts(int argc, char **argv)
+{
+ int c;
+
+ while ((c = getopt(argc, argv, "lv")) != -1) {
+ switch (c) {
+ case 'l':
+ cfg_long_running = true;
+ break;
+ case 'v':
+ cfg_verbose = true;
+ break;
+ default:
+ error(1, 0, "%s: parse error", argv[0]);
+ }
+ }
+}
+
+int main(int argc, char **argv)
+{
+ int fd;
+
+ parse_opts(argc, argv);
+
+ fd = socket(PF_INET6, SOCK_DGRAM, 0);
+ if (fd == -1)
+ error(1, errno, "socket");
+
+ run_tests(fd);
+
+ if (close(fd))
+ error(1, errno, "close");
+
+ return 0;
+}
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index e2c94e47707c..ab367e75f095 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -103,44 +103,70 @@
# and check that configured MTU is used on link creation and changes, and
# that MTU is properly calculated instead when MTU is not configured from
# userspace
+#
+# - cleanup_ipv4_exception
+# Similar to pmtu_ipv4_vxlan4_exception, but explicitly generate PMTU
+# exceptions on multiple CPUs and check that the veth device tear-down
+# happens in a timely manner
+#
+# - cleanup_ipv6_exception
+# Same as above, but use IPv6 transport from A to B
+#
+# - list_flush_ipv4_exception
+# Using the same topology as in pmtu_ipv4, create exceptions, and check
+# they are shown when listing exception caches, gone after flushing them
+#
+# - list_flush_ipv6_exception
+# Using the same topology as in pmtu_ipv6, create exceptions, and check
+# they are shown when listing exception caches, gone after flushing them
+
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
+PAUSE_ON_FAIL=no
+VERBOSE=0
+TRACING=0
+
# Some systems don't have a ping6 binary anymore
which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
+# Name Description re-run with nh
tests="
- pmtu_ipv4_exception ipv4: PMTU exceptions
- pmtu_ipv6_exception ipv6: PMTU exceptions
- pmtu_ipv4_vxlan4_exception IPv4 over vxlan4: PMTU exceptions
- pmtu_ipv6_vxlan4_exception IPv6 over vxlan4: PMTU exceptions
- pmtu_ipv4_vxlan6_exception IPv4 over vxlan6: PMTU exceptions
- pmtu_ipv6_vxlan6_exception IPv6 over vxlan6: PMTU exceptions
- pmtu_ipv4_geneve4_exception IPv4 over geneve4: PMTU exceptions
- pmtu_ipv6_geneve4_exception IPv6 over geneve4: PMTU exceptions
- pmtu_ipv4_geneve6_exception IPv4 over geneve6: PMTU exceptions
- pmtu_ipv6_geneve6_exception IPv6 over geneve6: PMTU exceptions
- pmtu_ipv4_fou4_exception IPv4 over fou4: PMTU exceptions
- pmtu_ipv6_fou4_exception IPv6 over fou4: PMTU exceptions
- pmtu_ipv4_fou6_exception IPv4 over fou6: PMTU exceptions
- pmtu_ipv6_fou6_exception IPv6 over fou6: PMTU exceptions
- pmtu_ipv4_gue4_exception IPv4 over gue4: PMTU exceptions
- pmtu_ipv6_gue4_exception IPv6 over gue4: PMTU exceptions
- pmtu_ipv4_gue6_exception IPv4 over gue6: PMTU exceptions
- pmtu_ipv6_gue6_exception IPv6 over gue6: PMTU exceptions
- pmtu_vti6_exception vti6: PMTU exceptions
- pmtu_vti4_exception vti4: PMTU exceptions
- pmtu_vti4_default_mtu vti4: default MTU assignment
- pmtu_vti6_default_mtu vti6: default MTU assignment
- pmtu_vti4_link_add_mtu vti4: MTU setting on link creation
- pmtu_vti6_link_add_mtu vti6: MTU setting on link creation
- pmtu_vti6_link_change_mtu vti6: MTU changes on link changes"
-
-NS_A="ns-$(mktemp -u XXXXXX)"
-NS_B="ns-$(mktemp -u XXXXXX)"
-NS_R1="ns-$(mktemp -u XXXXXX)"
-NS_R2="ns-$(mktemp -u XXXXXX)"
+ pmtu_ipv4_exception ipv4: PMTU exceptions 1
+ pmtu_ipv6_exception ipv6: PMTU exceptions 1
+ pmtu_ipv4_vxlan4_exception IPv4 over vxlan4: PMTU exceptions 1
+ pmtu_ipv6_vxlan4_exception IPv6 over vxlan4: PMTU exceptions 1
+ pmtu_ipv4_vxlan6_exception IPv4 over vxlan6: PMTU exceptions 1
+ pmtu_ipv6_vxlan6_exception IPv6 over vxlan6: PMTU exceptions 1
+ pmtu_ipv4_geneve4_exception IPv4 over geneve4: PMTU exceptions 1
+ pmtu_ipv6_geneve4_exception IPv6 over geneve4: PMTU exceptions 1
+ pmtu_ipv4_geneve6_exception IPv4 over geneve6: PMTU exceptions 1
+ pmtu_ipv6_geneve6_exception IPv6 over geneve6: PMTU exceptions 1
+ pmtu_ipv4_fou4_exception IPv4 over fou4: PMTU exceptions 1
+ pmtu_ipv6_fou4_exception IPv6 over fou4: PMTU exceptions 1
+ pmtu_ipv4_fou6_exception IPv4 over fou6: PMTU exceptions 1
+ pmtu_ipv6_fou6_exception IPv6 over fou6: PMTU exceptions 1
+ pmtu_ipv4_gue4_exception IPv4 over gue4: PMTU exceptions 1
+ pmtu_ipv6_gue4_exception IPv6 over gue4: PMTU exceptions 1
+ pmtu_ipv4_gue6_exception IPv4 over gue6: PMTU exceptions 1
+ pmtu_ipv6_gue6_exception IPv6 over gue6: PMTU exceptions 1
+ pmtu_vti6_exception vti6: PMTU exceptions 0
+ pmtu_vti4_exception vti4: PMTU exceptions 0
+ pmtu_vti4_default_mtu vti4: default MTU assignment 0
+ pmtu_vti6_default_mtu vti6: default MTU assignment 0
+ pmtu_vti4_link_add_mtu vti4: MTU setting on link creation 0
+ pmtu_vti6_link_add_mtu vti6: MTU setting on link creation 0
+ pmtu_vti6_link_change_mtu vti6: MTU changes on link changes 0
+ cleanup_ipv4_exception ipv4: cleanup of cached exceptions 1
+ cleanup_ipv6_exception ipv6: cleanup of cached exceptions 1
+ list_flush_ipv4_exception ipv4: list and flush cached exceptions 1
+ list_flush_ipv6_exception ipv6: list and flush cached exceptions 1"
+
+NS_A="ns-A"
+NS_B="ns-B"
+NS_R1="ns-R1"
+NS_R2="ns-R2"
ns_a="ip netns exec ${NS_A}"
ns_b="ip netns exec ${NS_B}"
ns_r1="ip netns exec ${NS_R1}"
@@ -179,6 +205,30 @@ routes="
B default ${prefix6}:${b_r1}::2
"
+USE_NH="no"
+# ns family nh id destination gateway
+nexthops="
+ A 4 41 ${prefix4}.${a_r1}.2 veth_A-R1
+ A 4 42 ${prefix4}.${a_r2}.2 veth_A-R2
+ B 4 41 ${prefix4}.${b_r1}.2 veth_B-R1
+
+ A 6 61 ${prefix6}:${a_r1}::2 veth_A-R1
+ A 6 62 ${prefix6}:${a_r2}::2 veth_A-R2
+ B 6 61 ${prefix6}:${b_r1}::2 veth_B-R1
+"
+
+# nexthop id correlates to id in nexthops config above
+# ns family prefix nh id
+routes_nh="
+ A 4 default 41
+ A 4 ${prefix4}.${b_r2}.1 42
+ B 4 default 41
+
+ A 6 default 61
+ A 6 ${prefix6}:${b_r2}::1 62
+ B 6 default 61
+"
+
veth4_a_addr="192.168.1.1"
veth4_b_addr="192.168.1.2"
veth4_mask="24"
@@ -193,11 +243,10 @@ tunnel6_a_addr="fd00:2::a"
tunnel6_b_addr="fd00:2::b"
tunnel6_mask="64"
-dummy6_0_addr="fc00:1000::0"
-dummy6_1_addr="fc00:1001::0"
+dummy6_0_prefix="fc00:1000::"
+dummy6_1_prefix="fc00:1001::"
dummy6_mask="64"
-cleanup_done=1
err_buf=
tcpdump_pids=
@@ -211,6 +260,23 @@ err_flush() {
err_buf=
}
+run_cmd() {
+ cmd="$*"
+
+ if [ "$VERBOSE" = "1" ]; then
+ printf " COMMAND: $cmd\n"
+ fi
+
+ out="$($cmd 2>&1)"
+ rc=$?
+ if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+ echo " $out"
+ echo
+ fi
+
+ return $rc
+}
+
# Find the auto-generated name for this namespace
nsname() {
eval echo \$NS_$1
@@ -247,24 +313,22 @@ setup_fou_or_gue() {
fi
fi
- ${ns_a} ip fou add port 5555 ipproto ${ipproto} || return 2
- ${ns_a} ip link add ${encap}_a type ${type} ${mode} local ${a_addr} remote ${b_addr} encap ${encap} encap-sport auto encap-dport 5556 || return 2
+ run_cmd ${ns_a} ip fou add port 5555 ipproto ${ipproto} || return 2
+ run_cmd ${ns_a} ip link add ${encap}_a type ${type} ${mode} local ${a_addr} remote ${b_addr} encap ${encap} encap-sport auto encap-dport 5556 || return 2
- ${ns_b} ip fou add port 5556 ipproto ${ipproto}
- ${ns_b} ip link add ${encap}_b type ${type} ${mode} local ${b_addr} remote ${a_addr} encap ${encap} encap-sport auto encap-dport 5555
+ run_cmd ${ns_b} ip fou add port 5556 ipproto ${ipproto}
+ run_cmd ${ns_b} ip link add ${encap}_b type ${type} ${mode} local ${b_addr} remote ${a_addr} encap ${encap} encap-sport auto encap-dport 5555
if [ "${inner}" = "4" ]; then
- ${ns_a} ip addr add ${tunnel4_a_addr}/${tunnel4_mask} dev ${encap}_a
- ${ns_b} ip addr add ${tunnel4_b_addr}/${tunnel4_mask} dev ${encap}_b
+ run_cmd ${ns_a} ip addr add ${tunnel4_a_addr}/${tunnel4_mask} dev ${encap}_a
+ run_cmd ${ns_b} ip addr add ${tunnel4_b_addr}/${tunnel4_mask} dev ${encap}_b
else
- ${ns_a} ip addr add ${tunnel6_a_addr}/${tunnel6_mask} dev ${encap}_a
- ${ns_b} ip addr add ${tunnel6_b_addr}/${tunnel6_mask} dev ${encap}_b
+ run_cmd ${ns_a} ip addr add ${tunnel6_a_addr}/${tunnel6_mask} dev ${encap}_a
+ run_cmd ${ns_b} ip addr add ${tunnel6_b_addr}/${tunnel6_mask} dev ${encap}_b
fi
- ${ns_a} ip link set ${encap}_a up
- ${ns_b} ip link set ${encap}_b up
-
- sleep 1
+ run_cmd ${ns_a} ip link set ${encap}_a up
+ run_cmd ${ns_b} ip link set ${encap}_b up
}
setup_fou44() {
@@ -302,21 +366,25 @@ setup_gue66() {
setup_namespaces() {
for n in ${NS_A} ${NS_B} ${NS_R1} ${NS_R2}; do
ip netns add ${n} || return 1
+
+ # Disable DAD, so that we don't have to wait to use the
+ # configured IPv6 addresses
+ ip netns exec ${n} sysctl -q net/ipv6/conf/default/accept_dad=0
done
}
setup_veth() {
- ${ns_a} ip link add veth_a type veth peer name veth_b || return 1
- ${ns_a} ip link set veth_b netns ${NS_B}
+ run_cmd ${ns_a} ip link add veth_a type veth peer name veth_b || return 1
+ run_cmd ${ns_a} ip link set veth_b netns ${NS_B}
- ${ns_a} ip addr add ${veth4_a_addr}/${veth4_mask} dev veth_a
- ${ns_b} ip addr add ${veth4_b_addr}/${veth4_mask} dev veth_b
+ run_cmd ${ns_a} ip addr add ${veth4_a_addr}/${veth4_mask} dev veth_a
+ run_cmd ${ns_b} ip addr add ${veth4_b_addr}/${veth4_mask} dev veth_b
- ${ns_a} ip addr add ${veth6_a_addr}/${veth6_mask} dev veth_a
- ${ns_b} ip addr add ${veth6_b_addr}/${veth6_mask} dev veth_b
+ run_cmd ${ns_a} ip addr add ${veth6_a_addr}/${veth6_mask} dev veth_a
+ run_cmd ${ns_b} ip addr add ${veth6_b_addr}/${veth6_mask} dev veth_b
- ${ns_a} ip link set veth_a up
- ${ns_b} ip link set veth_b up
+ run_cmd ${ns_a} ip link set veth_a up
+ run_cmd ${ns_b} ip link set veth_b up
}
setup_vti() {
@@ -329,16 +397,14 @@ setup_vti() {
[ ${proto} -eq 6 ] && vti_type="vti6" || vti_type="vti"
- ${ns_a} ip link add vti${proto}_a type ${vti_type} local ${veth_a_addr} remote ${veth_b_addr} key 10 || return 1
- ${ns_b} ip link add vti${proto}_b type ${vti_type} local ${veth_b_addr} remote ${veth_a_addr} key 10
-
- ${ns_a} ip addr add ${vti_a_addr}/${vti_mask} dev vti${proto}_a
- ${ns_b} ip addr add ${vti_b_addr}/${vti_mask} dev vti${proto}_b
+ run_cmd ${ns_a} ip link add vti${proto}_a type ${vti_type} local ${veth_a_addr} remote ${veth_b_addr} key 10 || return 1
+ run_cmd ${ns_b} ip link add vti${proto}_b type ${vti_type} local ${veth_b_addr} remote ${veth_a_addr} key 10
- ${ns_a} ip link set vti${proto}_a up
- ${ns_b} ip link set vti${proto}_b up
+ run_cmd ${ns_a} ip addr add ${vti_a_addr}/${vti_mask} dev vti${proto}_a
+ run_cmd ${ns_b} ip addr add ${vti_b_addr}/${vti_mask} dev vti${proto}_b
- sleep 1
+ run_cmd ${ns_a} ip link set vti${proto}_a up
+ run_cmd ${ns_b} ip link set vti${proto}_b up
}
setup_vti4() {
@@ -364,19 +430,17 @@ setup_vxlan_or_geneve() {
opts_b=""
fi
- ${ns_a} ip link add ${type}_a type ${type} id 1 ${opts_a} remote ${b_addr} ${opts} || return 1
- ${ns_b} ip link add ${type}_b type ${type} id 1 ${opts_b} remote ${a_addr} ${opts}
+ run_cmd ${ns_a} ip link add ${type}_a type ${type} id 1 ${opts_a} remote ${b_addr} ${opts} || return 1
+ run_cmd ${ns_b} ip link add ${type}_b type ${type} id 1 ${opts_b} remote ${a_addr} ${opts}
- ${ns_a} ip addr add ${tunnel4_a_addr}/${tunnel4_mask} dev ${type}_a
- ${ns_b} ip addr add ${tunnel4_b_addr}/${tunnel4_mask} dev ${type}_b
+ run_cmd ${ns_a} ip addr add ${tunnel4_a_addr}/${tunnel4_mask} dev ${type}_a
+ run_cmd ${ns_b} ip addr add ${tunnel4_b_addr}/${tunnel4_mask} dev ${type}_b
- ${ns_a} ip addr add ${tunnel6_a_addr}/${tunnel6_mask} dev ${type}_a
- ${ns_b} ip addr add ${tunnel6_b_addr}/${tunnel6_mask} dev ${type}_b
+ run_cmd ${ns_a} ip addr add ${tunnel6_a_addr}/${tunnel6_mask} dev ${type}_a
+ run_cmd ${ns_b} ip addr add ${tunnel6_b_addr}/${tunnel6_mask} dev ${type}_b
- ${ns_a} ip link set ${type}_a up
- ${ns_b} ip link set ${type}_b up
-
- sleep 1
+ run_cmd ${ns_a} ip link set ${type}_a up
+ run_cmd ${ns_b} ip link set ${type}_b up
}
setup_geneve4() {
@@ -400,15 +464,15 @@ setup_xfrm() {
veth_a_addr="${2}"
veth_b_addr="${3}"
- ${ns_a} ip -${proto} xfrm state add src ${veth_a_addr} dst ${veth_b_addr} spi 0x1000 proto esp aead "rfc4106(gcm(aes))" 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel || return 1
- ${ns_a} ip -${proto} xfrm state add src ${veth_b_addr} dst ${veth_a_addr} spi 0x1001 proto esp aead "rfc4106(gcm(aes))" 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel
- ${ns_a} ip -${proto} xfrm policy add dir out mark 10 tmpl src ${veth_a_addr} dst ${veth_b_addr} proto esp mode tunnel
- ${ns_a} ip -${proto} xfrm policy add dir in mark 10 tmpl src ${veth_b_addr} dst ${veth_a_addr} proto esp mode tunnel
+ run_cmd ${ns_a} ip -${proto} xfrm state add src ${veth_a_addr} dst ${veth_b_addr} spi 0x1000 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel || return 1
+ run_cmd ${ns_a} ip -${proto} xfrm state add src ${veth_b_addr} dst ${veth_a_addr} spi 0x1001 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel
+ run_cmd ${ns_a} ip -${proto} xfrm policy add dir out mark 10 tmpl src ${veth_a_addr} dst ${veth_b_addr} proto esp mode tunnel
+ run_cmd ${ns_a} ip -${proto} xfrm policy add dir in mark 10 tmpl src ${veth_b_addr} dst ${veth_a_addr} proto esp mode tunnel
- ${ns_b} ip -${proto} xfrm state add src ${veth_a_addr} dst ${veth_b_addr} spi 0x1000 proto esp aead "rfc4106(gcm(aes))" 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel
- ${ns_b} ip -${proto} xfrm state add src ${veth_b_addr} dst ${veth_a_addr} spi 0x1001 proto esp aead "rfc4106(gcm(aes))" 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel
- ${ns_b} ip -${proto} xfrm policy add dir out mark 10 tmpl src ${veth_b_addr} dst ${veth_a_addr} proto esp mode tunnel
- ${ns_b} ip -${proto} xfrm policy add dir in mark 10 tmpl src ${veth_a_addr} dst ${veth_b_addr} proto esp mode tunnel
+ run_cmd ${ns_b} ip -${proto} xfrm state add src ${veth_a_addr} dst ${veth_b_addr} spi 0x1000 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel
+ run_cmd ${ns_b} ip -${proto} xfrm state add src ${veth_b_addr} dst ${veth_a_addr} spi 0x1001 proto esp aead 'rfc4106(gcm(aes))' 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f 128 mode tunnel
+ run_cmd ${ns_b} ip -${proto} xfrm policy add dir out mark 10 tmpl src ${veth_b_addr} dst ${veth_a_addr} proto esp mode tunnel
+ run_cmd ${ns_b} ip -${proto} xfrm policy add dir in mark 10 tmpl src ${veth_a_addr} dst ${veth_b_addr} proto esp mode tunnel
}
setup_xfrm4() {
@@ -419,6 +483,50 @@ setup_xfrm6() {
setup_xfrm 6 ${veth6_a_addr} ${veth6_b_addr}
}
+setup_routing_old() {
+ for i in ${routes}; do
+ [ "${ns}" = "" ] && ns="${i}" && continue
+ [ "${addr}" = "" ] && addr="${i}" && continue
+ [ "${gw}" = "" ] && gw="${i}"
+
+ ns_name="$(nsname ${ns})"
+
+ ip -n ${ns_name} route add ${addr} via ${gw}
+
+ ns=""; addr=""; gw=""
+ done
+}
+
+setup_routing_new() {
+ for i in ${nexthops}; do
+ [ "${ns}" = "" ] && ns="${i}" && continue
+ [ "${fam}" = "" ] && fam="${i}" && continue
+ [ "${nhid}" = "" ] && nhid="${i}" && continue
+ [ "${gw}" = "" ] && gw="${i}" && continue
+ [ "${dev}" = "" ] && dev="${i}"
+
+ ns_name="$(nsname ${ns})"
+
+ ip -n ${ns_name} -${fam} nexthop add id ${nhid} via ${gw} dev ${dev}
+
+ ns=""; fam=""; nhid=""; gw=""; dev=""
+
+ done
+
+ for i in ${routes_nh}; do
+ [ "${ns}" = "" ] && ns="${i}" && continue
+ [ "${fam}" = "" ] && fam="${i}" && continue
+ [ "${addr}" = "" ] && addr="${i}" && continue
+ [ "${nhid}" = "" ] && nhid="${i}"
+
+ ns_name="$(nsname ${ns})"
+
+ ip -n ${ns_name} -${fam} route add ${addr} nhid ${nhid}
+
+ ns=""; fam=""; addr=""; nhid=""
+ done
+}
+
setup_routing() {
for i in ${NS_R1} ${NS_R2}; do
ip netns exec ${i} sysctl -q net/ipv4/ip_forward=1
@@ -449,30 +557,26 @@ setup_routing() {
ns=""; peer=""; segment=""
done
- for i in ${routes}; do
- [ "${ns}" = "" ] && ns="${i}" && continue
- [ "${addr}" = "" ] && addr="${i}" && continue
- [ "${gw}" = "" ] && gw="${i}"
-
- ns_name="$(nsname ${ns})"
-
- ip -n ${ns_name} route add ${addr} via ${gw}
+ if [ "$USE_NH" = "yes" ]; then
+ setup_routing_new
+ else
+ setup_routing_old
+ fi
- ns=""; addr=""; gw=""
- done
+ return 0
}
setup() {
[ "$(id -u)" -ne 0 ] && echo " need to run as root" && return $ksft_skip
- cleanup_done=0
+ cleanup
for arg do
eval setup_${arg} || { echo " ${arg} not supported"; return 1; }
done
}
trace() {
- [ $tracing -eq 0 ] && return
+ [ $TRACING -eq 0 ] && return
for arg do
[ "${ns_cmd}" = "" ] && ns_cmd="${arg}" && continue
@@ -489,11 +593,9 @@ cleanup() {
done
tcpdump_pids=
- [ ${cleanup_done} -eq 1 ] && return
for n in ${NS_A} ${NS_B} ${NS_R1} ${NS_R2}; do
ip netns del ${n} 2> /dev/null
done
- cleanup_done=1
}
mtu() {
@@ -588,8 +690,8 @@ test_pmtu_ipvX() {
mtu "${ns_b}" veth_B-R2 1500
# Create route exceptions
- ${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s 1800 ${dst1} > /dev/null
- ${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s 1800 ${dst2} > /dev/null
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst1}
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst2}
# Check that exceptions have been created with the correct PMTU
pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst1})"
@@ -621,7 +723,7 @@ test_pmtu_ipvX() {
# Decrease remote MTU on path via R2, get new exception
mtu "${ns_r2}" veth_R2-B 400
mtu "${ns_b}" veth_B-R2 400
- ${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s 1400 ${dst2} > /dev/null
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1400 ${dst2}
pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst2})"
check_pmtu_value "lock 552" "${pmtu_2}" "exceeding MTU, with MTU < min_pmtu" || return 1
@@ -638,7 +740,7 @@ test_pmtu_ipvX() {
check_pmtu_value "1500" "${pmtu_2}" "increasing local MTU" || return 1
# Get new exception
- ${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s 1400 ${dst2} > /dev/null
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1400 ${dst2}
pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst2})"
check_pmtu_value "lock 552" "${pmtu_2}" "exceeding MTU, with MTU < min_pmtu" || return 1
}
@@ -687,7 +789,7 @@ test_pmtu_ipvX_over_vxlanY_or_geneveY_exception() {
mtu "${ns_a}" ${type}_a $((${ll_mtu} + 1000))
mtu "${ns_b}" ${type}_b $((${ll_mtu} + 1000))
- ${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s $((${ll_mtu} + 500)) ${dst} > /dev/null
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s $((${ll_mtu} + 500)) ${dst}
# Check that exception was created
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst})"
@@ -767,7 +869,7 @@ test_pmtu_ipvX_over_fouY_or_gueY() {
mtu "${ns_a}" ${encap}_a $((${ll_mtu} + 1000))
mtu "${ns_b}" ${encap}_b $((${ll_mtu} + 1000))
- ${ns_a} ${ping} -q -M want -i 0.1 -w 2 -s $((${ll_mtu} + 500)) ${dst} > /dev/null
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s $((${ll_mtu} + 500)) ${dst}
# Check that exception was created
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst})"
@@ -825,13 +927,13 @@ test_pmtu_vti4_exception() {
# Send DF packet without exceeding link layer MTU, check that no
# exception is created
- ${ns_a} ping -q -M want -i 0.1 -w 2 -s ${ping_payload} ${tunnel4_b_addr} > /dev/null
+ run_cmd ${ns_a} ping -q -M want -i 0.1 -w 1 -s ${ping_payload} ${tunnel4_b_addr}
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel4_b_addr})"
check_pmtu_value "" "${pmtu}" "sending packet smaller than PMTU (IP payload length ${esp_payload_rfc4106})" || return 1
# Now exceed link layer MTU by one byte, check that exception is created
# with the right PMTU value
- ${ns_a} ping -q -M want -i 0.1 -w 2 -s $((ping_payload + 1)) ${tunnel4_b_addr} > /dev/null
+ run_cmd ${ns_a} ping -q -M want -i 0.1 -w 1 -s $((ping_payload + 1)) ${tunnel4_b_addr}
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel4_b_addr})"
check_pmtu_value "${esp_payload_rfc4106}" "${pmtu}" "exceeding PMTU (IP payload length $((esp_payload_rfc4106 + 1)))"
}
@@ -847,7 +949,7 @@ test_pmtu_vti6_exception() {
mtu "${ns_b}" veth_b 4000
mtu "${ns_a}" vti6_a 5000
mtu "${ns_b}" vti6_b 5000
- ${ns_a} ${ping6} -q -i 0.1 -w 2 -s 60000 ${tunnel6_b_addr} > /dev/null
+ run_cmd ${ns_a} ${ping6} -q -i 0.1 -w 1 -s 60000 ${tunnel6_b_addr}
# Check that exception was created
pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${tunnel6_b_addr})"
@@ -893,9 +995,9 @@ test_pmtu_vti6_default_mtu() {
test_pmtu_vti4_link_add_mtu() {
setup namespaces || return 2
- ${ns_a} ip link add vti4_a type vti local ${veth4_a_addr} remote ${veth4_b_addr} key 10
+ run_cmd ${ns_a} ip link add vti4_a type vti local ${veth4_a_addr} remote ${veth4_b_addr} key 10
[ $? -ne 0 ] && err " vti not supported" && return 2
- ${ns_a} ip link del vti4_a
+ run_cmd ${ns_a} ip link del vti4_a
fail=0
@@ -903,7 +1005,7 @@ test_pmtu_vti4_link_add_mtu() {
max=$((65535 - 20))
# Check invalid values first
for v in $((min - 1)) $((max + 1)); do
- ${ns_a} ip link add vti4_a mtu ${v} type vti local ${veth4_a_addr} remote ${veth4_b_addr} key 10 2>/dev/null
+ run_cmd ${ns_a} ip link add vti4_a mtu ${v} type vti local ${veth4_a_addr} remote ${veth4_b_addr} key 10
# This can fail, or MTU can be adjusted to a proper value
[ $? -ne 0 ] && continue
mtu="$(link_get_mtu "${ns_a}" vti4_a)"
@@ -911,14 +1013,14 @@ test_pmtu_vti4_link_add_mtu() {
err " vti tunnel created with invalid MTU ${mtu}"
fail=1
fi
- ${ns_a} ip link del vti4_a
+ run_cmd ${ns_a} ip link del vti4_a
done
# Now check valid values
for v in ${min} 1300 ${max}; do
- ${ns_a} ip link add vti4_a mtu ${v} type vti local ${veth4_a_addr} remote ${veth4_b_addr} key 10
+ run_cmd ${ns_a} ip link add vti4_a mtu ${v} type vti local ${veth4_a_addr} remote ${veth4_b_addr} key 10
mtu="$(link_get_mtu "${ns_a}" vti4_a)"
- ${ns_a} ip link del vti4_a
+ run_cmd ${ns_a} ip link del vti4_a
if [ "${mtu}" != "${v}" ]; then
err " vti MTU ${mtu} doesn't match configured value ${v}"
fail=1
@@ -931,9 +1033,9 @@ test_pmtu_vti4_link_add_mtu() {
test_pmtu_vti6_link_add_mtu() {
setup namespaces || return 2
- ${ns_a} ip link add vti6_a type vti6 local ${veth6_a_addr} remote ${veth6_b_addr} key 10
+ run_cmd ${ns_a} ip link add vti6_a type vti6 local ${veth6_a_addr} remote ${veth6_b_addr} key 10
[ $? -ne 0 ] && err " vti6 not supported" && return 2
- ${ns_a} ip link del vti6_a
+ run_cmd ${ns_a} ip link del vti6_a
fail=0
@@ -941,7 +1043,7 @@ test_pmtu_vti6_link_add_mtu() {
max=$((65535 - 40))
# Check invalid values first
for v in $((min - 1)) $((max + 1)); do
- ${ns_a} ip link add vti6_a mtu ${v} type vti6 local ${veth6_a_addr} remote ${veth6_b_addr} key 10 2>/dev/null
+ run_cmd ${ns_a} ip link add vti6_a mtu ${v} type vti6 local ${veth6_a_addr} remote ${veth6_b_addr} key 10
# This can fail, or MTU can be adjusted to a proper value
[ $? -ne 0 ] && continue
mtu="$(link_get_mtu "${ns_a}" vti6_a)"
@@ -949,14 +1051,14 @@ test_pmtu_vti6_link_add_mtu() {
err " vti6 tunnel created with invalid MTU ${v}"
fail=1
fi
- ${ns_a} ip link del vti6_a
+ run_cmd ${ns_a} ip link del vti6_a
done
# Now check valid values
for v in 68 1280 1300 $((65535 - 40)); do
- ${ns_a} ip link add vti6_a mtu ${v} type vti6 local ${veth6_a_addr} remote ${veth6_b_addr} key 10
+ run_cmd ${ns_a} ip link add vti6_a mtu ${v} type vti6 local ${veth6_a_addr} remote ${veth6_b_addr} key 10
mtu="$(link_get_mtu "${ns_a}" vti6_a)"
- ${ns_a} ip link del vti6_a
+ run_cmd ${ns_a} ip link del vti6_a
if [ "${mtu}" != "${v}" ]; then
err " vti6 MTU ${mtu} doesn't match configured value ${v}"
fail=1
@@ -969,19 +1071,19 @@ test_pmtu_vti6_link_add_mtu() {
test_pmtu_vti6_link_change_mtu() {
setup namespaces || return 2
- ${ns_a} ip link add dummy0 mtu 1500 type dummy
+ run_cmd ${ns_a} ip link add dummy0 mtu 1500 type dummy
[ $? -ne 0 ] && err " dummy not supported" && return 2
- ${ns_a} ip link add dummy1 mtu 3000 type dummy
- ${ns_a} ip link set dummy0 up
- ${ns_a} ip link set dummy1 up
+ run_cmd ${ns_a} ip link add dummy1 mtu 3000 type dummy
+ run_cmd ${ns_a} ip link set dummy0 up
+ run_cmd ${ns_a} ip link set dummy1 up
- ${ns_a} ip addr add ${dummy6_0_addr}/${dummy6_mask} dev dummy0
- ${ns_a} ip addr add ${dummy6_1_addr}/${dummy6_mask} dev dummy1
+ run_cmd ${ns_a} ip addr add ${dummy6_0_prefix}1/${dummy6_mask} dev dummy0
+ run_cmd ${ns_a} ip addr add ${dummy6_1_prefix}1/${dummy6_mask} dev dummy1
fail=0
# Create vti6 interface bound to device, passing MTU, check it
- ${ns_a} ip link add vti6_a mtu 1300 type vti6 remote ${dummy6_0_addr} local ${dummy6_0_addr}
+ run_cmd ${ns_a} ip link add vti6_a mtu 1300 type vti6 remote ${dummy6_0_prefix}2 local ${dummy6_0_prefix}1
mtu="$(link_get_mtu "${ns_a}" vti6_a)"
if [ ${mtu} -ne 1300 ]; then
err " vti6 MTU ${mtu} doesn't match configured value 1300"
@@ -990,7 +1092,7 @@ test_pmtu_vti6_link_change_mtu() {
# Move to another device with different MTU, without passing MTU, check
# MTU is adjusted
- ${ns_a} ip link set vti6_a type vti6 remote ${dummy6_1_addr} local ${dummy6_1_addr}
+ run_cmd ${ns_a} ip link set vti6_a type vti6 remote ${dummy6_1_prefix}2 local ${dummy6_1_prefix}1
mtu="$(link_get_mtu "${ns_a}" vti6_a)"
if [ ${mtu} -ne $((3000 - 40)) ]; then
err " vti MTU ${mtu} is not dummy MTU 3000 minus IPv6 header length"
@@ -998,7 +1100,7 @@ test_pmtu_vti6_link_change_mtu() {
fi
# Move it back, passing MTU, check MTU is not overridden
- ${ns_a} ip link set vti6_a mtu 1280 type vti6 remote ${dummy6_0_addr} local ${dummy6_0_addr}
+ run_cmd ${ns_a} ip link set vti6_a mtu 1280 type vti6 remote ${dummy6_0_prefix}2 local ${dummy6_0_prefix}1
mtu="$(link_get_mtu "${ns_a}" vti6_a)"
if [ ${mtu} -ne 1280 ]; then
err " vti6 MTU ${mtu} doesn't match configured value 1280"
@@ -1008,6 +1110,213 @@ test_pmtu_vti6_link_change_mtu() {
return ${fail}
}
+check_command() {
+ cmd=${1}
+
+ if ! which ${cmd} > /dev/null 2>&1; then
+ err " missing required command: '${cmd}'"
+ return 1
+ fi
+ return 0
+}
+
+test_cleanup_vxlanX_exception() {
+ outer="${1}"
+ encap="vxlan"
+ ll_mtu=4000
+
+ check_command taskset || return 2
+ cpu_list=$(grep -m 2 processor /proc/cpuinfo | cut -d ' ' -f 2)
+
+ setup namespaces routing ${encap}${outer} || return 2
+ trace "${ns_a}" ${encap}_a "${ns_b}" ${encap}_b \
+ "${ns_a}" veth_A-R1 "${ns_r1}" veth_R1-A \
+ "${ns_b}" veth_B-R1 "${ns_r1}" veth_R1-B
+
+ # Create route exception by exceeding link layer MTU
+ mtu "${ns_a}" veth_A-R1 $((${ll_mtu} + 1000))
+ mtu "${ns_r1}" veth_R1-A $((${ll_mtu} + 1000))
+ mtu "${ns_b}" veth_B-R1 ${ll_mtu}
+ mtu "${ns_r1}" veth_R1-B ${ll_mtu}
+
+ mtu "${ns_a}" ${encap}_a $((${ll_mtu} + 1000))
+ mtu "${ns_b}" ${encap}_b $((${ll_mtu} + 1000))
+
+ # Fill exception cache for multiple CPUs (2)
+ # we can always use inner IPv4 for that
+ for cpu in ${cpu_list}; do
+ run_cmd taskset --cpu-list ${cpu} ${ns_a} ping -q -M want -i 0.1 -w 1 -s $((${ll_mtu} + 500)) ${tunnel4_b_addr}
+ done
+
+ ${ns_a} ip link del dev veth_A-R1 &
+ iplink_pid=$!
+ sleep 1
+ if [ "$(cat /proc/${iplink_pid}/cmdline 2>/dev/null | tr -d '\0')" = "iplinkdeldevveth_A-R1" ]; then
+ err " can't delete veth device in a timely manner, PMTU dst likely leaked"
+ return 1
+ fi
+}
+
+test_cleanup_ipv6_exception() {
+ test_cleanup_vxlanX_exception 6
+}
+
+test_cleanup_ipv4_exception() {
+ test_cleanup_vxlanX_exception 4
+}
+
+run_test() {
+ (
+ tname="$1"
+ tdesc="$2"
+
+ unset IFS
+
+ if [ "$VERBOSE" = "1" ]; then
+ printf "\n##########################################################################\n\n"
+ fi
+
+ eval test_${tname}
+ ret=$?
+
+ if [ $ret -eq 0 ]; then
+ printf "TEST: %-60s [ OK ]\n" "${tdesc}"
+ elif [ $ret -eq 1 ]; then
+ printf "TEST: %-60s [FAIL]\n" "${tdesc}"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "Pausing. Hit enter to continue"
+ read a
+ fi
+ err_flush
+ exit 1
+ elif [ $ret -eq 2 ]; then
+ printf "TEST: %-60s [SKIP]\n" "${tdesc}"
+ err_flush
+ fi
+
+ return $ret
+ )
+ ret=$?
+ [ $ret -ne 0 ] && exitcode=1
+
+ return $ret
+}
+
+run_test_nh() {
+ tname="$1"
+ tdesc="$2"
+
+ USE_NH=yes
+ run_test "${tname}" "${tdesc} - nexthop objects"
+ USE_NH=no
+}
+
+test_list_flush_ipv4_exception() {
+ setup namespaces routing || return 2
+ trace "${ns_a}" veth_A-R1 "${ns_r1}" veth_R1-A \
+ "${ns_r1}" veth_R1-B "${ns_b}" veth_B-R1 \
+ "${ns_a}" veth_A-R2 "${ns_r2}" veth_R2-A \
+ "${ns_r2}" veth_R2-B "${ns_b}" veth_B-R2
+
+ dst_prefix1="${prefix4}.${b_r1}."
+ dst2="${prefix4}.${b_r2}.1"
+
+ # Set up initial MTU values
+ mtu "${ns_a}" veth_A-R1 2000
+ mtu "${ns_r1}" veth_R1-A 2000
+ mtu "${ns_r1}" veth_R1-B 1500
+ mtu "${ns_b}" veth_B-R1 1500
+
+ mtu "${ns_a}" veth_A-R2 2000
+ mtu "${ns_r2}" veth_R2-A 2000
+ mtu "${ns_r2}" veth_R2-B 1500
+ mtu "${ns_b}" veth_B-R2 1500
+
+ fail=0
+
+ # Add 100 addresses for veth endpoint on B reached by default A route
+ for i in $(seq 100 199); do
+ run_cmd ${ns_b} ip addr add "${dst_prefix1}${i}" dev veth_B-R1
+ done
+
+ # Create 100 cached route exceptions for path via R1, one via R2. Note
+ # that with IPv4 we need to actually cause a route lookup that matches
+ # the exception caused by ICMP, in order to actually have a cached
+ # route, so we need to ping each destination twice
+ for i in $(seq 100 199); do
+ run_cmd ${ns_a} ping -q -M want -i 0.1 -c 2 -s 1800 "${dst_prefix1}${i}"
+ done
+ run_cmd ${ns_a} ping -q -M want -i 0.1 -c 2 -s 1800 "${dst2}"
+
+ # Each exception is printed as two lines
+ if [ "$(${ns_a} ip route list cache | wc -l)" -ne 202 ]; then
+ err " can't list cached exceptions"
+ fail=1
+ fi
+
+ run_cmd ${ns_a} ip route flush cache
+ pmtu1="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst_prefix}1)"
+ pmtu2="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst_prefix}2)"
+ if [ -n "${pmtu1}" ] || [ -n "${pmtu2}" ] || \
+ [ -n "$(${ns_a} ip route list cache)" ]; then
+ err " can't flush cached exceptions"
+ fail=1
+ fi
+
+ return ${fail}
+}
+
+test_list_flush_ipv6_exception() {
+ setup namespaces routing || return 2
+ trace "${ns_a}" veth_A-R1 "${ns_r1}" veth_R1-A \
+ "${ns_r1}" veth_R1-B "${ns_b}" veth_B-R1 \
+ "${ns_a}" veth_A-R2 "${ns_r2}" veth_R2-A \
+ "${ns_r2}" veth_R2-B "${ns_b}" veth_B-R2
+
+ dst_prefix1="${prefix6}:${b_r1}::"
+ dst2="${prefix6}:${b_r2}::1"
+
+ # Set up initial MTU values
+ mtu "${ns_a}" veth_A-R1 2000
+ mtu "${ns_r1}" veth_R1-A 2000
+ mtu "${ns_r1}" veth_R1-B 1500
+ mtu "${ns_b}" veth_B-R1 1500
+
+ mtu "${ns_a}" veth_A-R2 2000
+ mtu "${ns_r2}" veth_R2-A 2000
+ mtu "${ns_r2}" veth_R2-B 1500
+ mtu "${ns_b}" veth_B-R2 1500
+
+ fail=0
+
+ # Add 100 addresses for veth endpoint on B reached by default A route
+ for i in $(seq 100 199); do
+ run_cmd ${ns_b} ip addr add "${dst_prefix1}${i}" dev veth_B-R1
+ done
+
+ # Create 100 cached route exceptions for path via R1, one via R2
+ for i in $(seq 100 199); do
+ run_cmd ${ns_a} ping -q -M want -i 0.1 -w 1 -s 1800 "${dst_prefix1}${i}"
+ done
+ run_cmd ${ns_a} ping -q -M want -i 0.1 -w 1 -s 1800 "${dst2}"
+ if [ "$(${ns_a} ip -6 route list cache | wc -l)" -ne 101 ]; then
+ err " can't list cached exceptions"
+ fail=1
+ fi
+
+ run_cmd ${ns_a} ip -6 route flush cache
+ pmtu1="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst_prefix1}100")"
+ pmtu2="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst2})"
+ if [ -n "${pmtu1}" ] || [ -n "${pmtu2}" ] || \
+ [ -n "$(${ns_a} ip -6 route list cache)" ]; then
+ err " can't flush cached exceptions"
+ fail=1
+ fi
+
+ return ${fail}
+}
+
usage() {
echo
echo "$0 [OPTIONS] [TEST]..."
@@ -1020,35 +1329,54 @@ usage() {
exit 1
}
+################################################################################
+#
exitcode=0
desc=0
+
+while getopts :ptv o
+do
+ case $o in
+ p) PAUSE_ON_FAIL=yes;;
+ v) VERBOSE=1;;
+ t) if which tcpdump > /dev/null 2>&1; then
+ TRACING=1
+ else
+ echo "=== tcpdump not available, tracing disabled"
+ fi
+ ;;
+ *) usage;;
+ esac
+done
+shift $(($OPTIND-1))
+
IFS="
"
-tracing=0
for arg do
- if [ "${arg}" != "${arg#--*}" ]; then
- opt="${arg#--}"
- if [ "${opt}" = "trace" ]; then
- if which tcpdump > /dev/null 2>&1; then
- tracing=1
- else
- echo "=== tcpdump not available, tracing disabled"
- fi
- else
- usage
- fi
- else
- # Check first that all requested tests are available before
- # running any
- command -v > /dev/null "test_${arg}" || { echo "=== Test ${arg} not found"; usage; }
- fi
+ # Check first that all requested tests are available before running any
+ command -v > /dev/null "test_${arg}" || { echo "=== Test ${arg} not found"; usage; }
done
trap cleanup EXIT
+# start clean
+cleanup
+
+HAVE_NH=no
+ip nexthop ls >/dev/null 2>&1
+[ $? -eq 0 ] && HAVE_NH=yes
+
+name=""
+desc=""
+rerun_nh=0
for t in ${tests}; do
- [ $desc -eq 0 ] && name="${t}" && desc=1 && continue || desc=0
+ [ "${name}" = "" ] && name="${t}" && continue
+ [ "${desc}" = "" ] && desc="${t}" && continue
+
+ if [ "${HAVE_NH}" = "yes" ]; then
+ rerun_nh="${t}"
+ fi
run_this=1
for arg do
@@ -1056,26 +1384,18 @@ for t in ${tests}; do
[ "${arg}" = "${name}" ] && run_this=1 && break
run_this=0
done
- [ $run_this -eq 0 ] && continue
+ if [ $run_this -eq 1 ]; then
+ run_test "${name}" "${desc}"
+ # if test was skipped no need to retry with nexthop objects
+ [ $? -eq 2 ] && rerun_nh=0
- (
- unset IFS
- eval test_${name}
- ret=$?
- cleanup
-
- if [ $ret -eq 0 ]; then
- printf "TEST: %-60s [ OK ]\n" "${t}"
- elif [ $ret -eq 1 ]; then
- printf "TEST: %-60s [FAIL]\n" "${t}"
- err_flush
- exit 1
- elif [ $ret -eq 2 ]; then
- printf "TEST: %-60s [SKIP]\n" "${t}"
- err_flush
+ if [ "${rerun_nh}" = "1" ]; then
+ run_test_nh "${name}" "${desc}"
fi
- )
- [ $? -ne 0 ] && exitcode=1
+ fi
+ name=""
+ desc=""
+ rerun_nh=0
done
exit ${exitcode}
diff --git a/tools/testing/selftests/net/psock_fanout.c b/tools/testing/selftests/net/psock_fanout.c
index bd9b9632c72b..8c8c7d79c38d 100644
--- a/tools/testing/selftests/net/psock_fanout.c
+++ b/tools/testing/selftests/net/psock_fanout.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2013 Google Inc.
* Author: Willem de Bruijn (willemb@google.com)
@@ -24,21 +25,6 @@
*
* Todo:
* - functionality: PACKET_FANOUT_FLAG_DEFRAG
- *
- * License (GPLv2):
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _GNU_SOURCE /* for sched_setaffinity */
diff --git a/tools/testing/selftests/net/psock_lib.h b/tools/testing/selftests/net/psock_lib.h
index 7d990d6c861b..faa884385c45 100644
--- a/tools/testing/selftests/net/psock_lib.h
+++ b/tools/testing/selftests/net/psock_lib.h
@@ -1,22 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2013 Google Inc.
* Author: Willem de Bruijn <willemb@google.com>
* Daniel Borkmann <dborkman@redhat.com>
- *
- * License (GPLv2):
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef PSOCK_LIB_H
diff --git a/tools/testing/selftests/net/psock_tpacket.c b/tools/testing/selftests/net/psock_tpacket.c
index 7ec4fa4d55dc..404a2ce759ab 100644
--- a/tools/testing/selftests/net/psock_tpacket.c
+++ b/tools/testing/selftests/net/psock_tpacket.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2013 Red Hat, Inc.
* Author: Daniel Borkmann <dborkman@redhat.com>
@@ -19,21 +20,6 @@
* - TPACKET_V1: RX_RING, TX_RING
* - TPACKET_V2: RX_RING, TX_RING
* - TPACKET_V3: RX_RING
- *
- * License (GPLv2):
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/net/route_localnet.sh b/tools/testing/selftests/net/route_localnet.sh
new file mode 100755
index 000000000000..116bfeab72fa
--- /dev/null
+++ b/tools/testing/selftests/net/route_localnet.sh
@@ -0,0 +1,74 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Run a couple of tests when route_localnet = 1.
+
+readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
+
+setup() {
+ ip netns add "${PEER_NS}"
+ ip -netns "${PEER_NS}" link set dev lo up
+ ip link add name veth0 type veth peer name veth1
+ ip link set dev veth0 up
+ ip link set dev veth1 netns "${PEER_NS}"
+
+ # Enable route_localnet and delete useless route 127.0.0.0/8.
+ sysctl -w net.ipv4.conf.veth0.route_localnet=1
+ ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.route_localnet=1
+ ip route del 127.0.0.0/8 dev lo table local
+ ip netns exec "${PEER_NS}" ip route del 127.0.0.0/8 dev lo table local
+
+ ifconfig veth0 127.25.3.4/24 up
+ ip netns exec "${PEER_NS}" ifconfig veth1 127.25.3.14/24 up
+
+ ip route flush cache
+ ip netns exec "${PEER_NS}" ip route flush cache
+}
+
+cleanup() {
+ ip link del veth0
+ ip route add local 127.0.0.0/8 dev lo proto kernel scope host src 127.0.0.1
+ local -r ns="$(ip netns list|grep $PEER_NS)"
+ [ -n "$ns" ] && ip netns del $ns 2>/dev/null
+}
+
+# Run test when arp_announce = 2.
+run_arp_announce_test() {
+ echo "run arp_announce test"
+ setup
+
+ sysctl -w net.ipv4.conf.veth0.arp_announce=2
+ ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_announce=2
+ ping -c5 -I veth0 127.25.3.14
+ if [ $? -ne 0 ];then
+ echo "failed"
+ else
+ echo "ok"
+ fi
+
+ cleanup
+}
+
+# Run test when arp_ignore = 3.
+run_arp_ignore_test() {
+ echo "run arp_ignore test"
+ setup
+
+ sysctl -w net.ipv4.conf.veth0.arp_ignore=3
+ ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_ignore=3
+ ping -c5 -I veth0 127.25.3.14
+ if [ $? -ne 0 ];then
+ echo "failed"
+ else
+ echo "ok"
+ fi
+
+ cleanup
+}
+
+run_all_tests() {
+ run_arp_announce_test
+ run_arp_ignore_test
+}
+
+run_all_tests
diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
index 78fc593dfe40..bdbf4b3125b6 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -249,6 +249,45 @@ kci_test_route_get()
echo "PASS: route get"
}
+kci_test_addrlft()
+{
+ for i in $(seq 10 100) ;do
+ lft=$(((RANDOM%3) + 1))
+ ip addr add 10.23.11.$i/32 dev "$devdummy" preferred_lft $lft valid_lft $((lft+1))
+ check_err $?
+ done
+
+ sleep 5
+
+ ip addr show dev "$devdummy" | grep "10.23.11."
+ if [ $? -eq 0 ]; then
+ echo "FAIL: preferred_lft addresses remaining"
+ check_err 1
+ return
+ fi
+
+ echo "PASS: preferred_lft addresses have expired"
+}
+
+kci_test_promote_secondaries()
+{
+ promote=$(sysctl -n net.ipv4.conf.$devdummy.promote_secondaries)
+
+ sysctl -q net.ipv4.conf.$devdummy.promote_secondaries=1
+
+ for i in $(seq 2 254);do
+ IP="10.23.11.$i"
+ ip -f inet addr add $IP/16 brd + dev "$devdummy"
+ ifconfig "$devdummy" $IP netmask 255.255.0.0
+ done
+
+ ip addr flush dev "$devdummy"
+
+ [ $promote -eq 0 ] && sysctl -q net.ipv4.conf.$devdummy.promote_secondaries=0
+
+ echo "PASS: promote_secondaries complete"
+}
+
kci_test_addrlabel()
{
ret=0
@@ -391,7 +430,7 @@ kci_test_encap_vxlan()
vlan="test-vlan0"
testns="$1"
- ip netns exec "$testns" ip link add "$vxlan" type vxlan id 42 group 239.1.1.1 \
+ ip -netns "$testns" link add "$vxlan" type vxlan id 42 group 239.1.1.1 \
dev "$devdummy" dstport 4789 2>/dev/null
if [ $? -ne 0 ]; then
echo "FAIL: can't add vxlan interface, skipping test"
@@ -399,16 +438,68 @@ kci_test_encap_vxlan()
fi
check_err $?
- ip netns exec "$testns" ip addr add 10.2.11.49/24 dev "$vxlan"
+ ip -netns "$testns" addr add 10.2.11.49/24 dev "$vxlan"
check_err $?
- ip netns exec "$testns" ip link set up dev "$vxlan"
+ ip -netns "$testns" link set up dev "$vxlan"
check_err $?
- ip netns exec "$testns" ip link add link "$vxlan" name "$vlan" type vlan id 1
+ ip -netns "$testns" link add link "$vxlan" name "$vlan" type vlan id 1
check_err $?
- ip netns exec "$testns" ip link del "$vxlan"
+ # changelink testcases
+ ip -netns "$testns" link set dev "$vxlan" type vxlan vni 43 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan group ffe5::5 dev "$devdummy" 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan ttl inherit 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan ttl 64
+ check_err $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan nolearning
+ check_err $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan proxy 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan norsc 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan l2miss 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan l3miss 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan external 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan udpcsum 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan udp6zerocsumtx 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan udp6zerocsumrx 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan remcsumtx 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan remcsumrx 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan gbp 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link set dev "$vxlan" type vxlan gpe 2>/dev/null
+ check_fail $?
+
+ ip -netns "$testns" link del "$vxlan"
check_err $?
if [ $ret -ne 0 ]; then
@@ -430,19 +521,19 @@ kci_test_encap_fou()
return $ksft_skip
fi
- ip netns exec "$testns" ip fou add port 7777 ipproto 47 2>/dev/null
+ ip -netns "$testns" fou add port 7777 ipproto 47 2>/dev/null
if [ $? -ne 0 ];then
echo "FAIL: can't add fou port 7777, skipping test"
return 1
fi
- ip netns exec "$testns" ip fou add port 8888 ipproto 4
+ ip -netns "$testns" fou add port 8888 ipproto 4
check_err $?
- ip netns exec "$testns" ip fou del port 9999 2>/dev/null
+ ip -netns "$testns" fou del port 9999 2>/dev/null
check_fail $?
- ip netns exec "$testns" ip fou del port 7777
+ ip -netns "$testns" fou del port 7777
check_err $?
if [ $ret -ne 0 ]; then
@@ -465,12 +556,12 @@ kci_test_encap()
return $ksft_skip
fi
- ip netns exec "$testns" ip link set lo up
+ ip -netns "$testns" link set lo up
check_err $?
- ip netns exec "$testns" ip link add name "$devdummy" type dummy
+ ip -netns "$testns" link add name "$devdummy" type dummy
check_err $?
- ip netns exec "$testns" ip link set "$devdummy" up
+ ip -netns "$testns" link set "$devdummy" up
check_err $?
kci_test_encap_vxlan "$testns"
@@ -644,19 +735,27 @@ kci_test_ipsec_offload()
algo="aead rfc4106(gcm(aes)) 0x3132333435363738393031323334353664636261 128"
srcip=192.168.123.3
dstip=192.168.123.4
- dev=simx1
- sysfsd=/sys/kernel/debug/netdevsim/$dev
+ sysfsd=/sys/kernel/debug/netdevsim/netdevsim0/ports/0/
sysfsf=$sysfsd/ipsec
+ sysfsnet=/sys/bus/netdevsim/devices/netdevsim0/net/
+ probed=false
# setup netdevsim since dummydev doesn't have offload support
- modprobe netdevsim
- check_err $?
- if [ $ret -ne 0 ]; then
- echo "FAIL: ipsec_offload can't load netdevsim"
- return 1
+ if [ ! -w /sys/bus/netdevsim/new_device ] ; then
+ modprobe -q netdevsim
+ check_err $?
+ if [ $ret -ne 0 ]; then
+ echo "SKIP: ipsec_offload can't load netdevsim"
+ return $ksft_skip
+ fi
+ probed=true
fi
- ip link add $dev type netdevsim
+ echo "0" > /sys/bus/netdevsim/new_device
+ while [ ! -d $sysfsnet ] ; do :; done
+ udevadm settle
+ dev=`ls $sysfsnet`
+
ip addr add $srcip dev $dev
ip link set $dev up
if [ ! -d $sysfsd ] ; then
@@ -729,8 +828,7 @@ EOF
fi
# clean up any leftovers
- ip link del $dev
- rmmod netdevsim
+ $probed && rmmod netdevsim
if [ $ret -ne 0 ]; then
echo "FAIL: ipsec_offload"
@@ -759,24 +857,24 @@ kci_test_gretap()
fi
# test native tunnel
- ip netns exec "$testns" ip link add dev "$DEV_NS" type gretap seq \
+ ip -netns "$testns" link add dev "$DEV_NS" type gretap seq \
key 102 local 172.16.1.100 remote 172.16.1.200
check_err $?
- ip netns exec "$testns" ip addr add dev "$DEV_NS" 10.1.1.100/24
+ ip -netns "$testns" addr add dev "$DEV_NS" 10.1.1.100/24
check_err $?
- ip netns exec "$testns" ip link set dev $DEV_NS up
+ ip -netns "$testns" link set dev $DEV_NS up
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
# test external mode
- ip netns exec "$testns" ip link add dev "$DEV_NS" type gretap external
+ ip -netns "$testns" link add dev "$DEV_NS" type gretap external
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
if [ $ret -ne 0 ]; then
@@ -809,24 +907,24 @@ kci_test_ip6gretap()
fi
# test native tunnel
- ip netns exec "$testns" ip link add dev "$DEV_NS" type ip6gretap seq \
+ ip -netns "$testns" link add dev "$DEV_NS" type ip6gretap seq \
key 102 local fc00:100::1 remote fc00:100::2
check_err $?
- ip netns exec "$testns" ip addr add dev "$DEV_NS" fc00:200::1/96
+ ip -netns "$testns" addr add dev "$DEV_NS" fc00:200::1/96
check_err $?
- ip netns exec "$testns" ip link set dev $DEV_NS up
+ ip -netns "$testns" link set dev $DEV_NS up
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
# test external mode
- ip netns exec "$testns" ip link add dev "$DEV_NS" type ip6gretap external
+ ip -netns "$testns" link add dev "$DEV_NS" type ip6gretap external
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
if [ $ret -ne 0 ]; then
@@ -858,40 +956,40 @@ kci_test_erspan()
fi
# test native tunnel erspan v1
- ip netns exec "$testns" ip link add dev "$DEV_NS" type erspan seq \
+ ip -netns "$testns" link add dev "$DEV_NS" type erspan seq \
key 102 local 172.16.1.100 remote 172.16.1.200 \
erspan_ver 1 erspan 488
check_err $?
- ip netns exec "$testns" ip addr add dev "$DEV_NS" 10.1.1.100/24
+ ip -netns "$testns" addr add dev "$DEV_NS" 10.1.1.100/24
check_err $?
- ip netns exec "$testns" ip link set dev $DEV_NS up
+ ip -netns "$testns" link set dev $DEV_NS up
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
# test native tunnel erspan v2
- ip netns exec "$testns" ip link add dev "$DEV_NS" type erspan seq \
+ ip -netns "$testns" link add dev "$DEV_NS" type erspan seq \
key 102 local 172.16.1.100 remote 172.16.1.200 \
erspan_ver 2 erspan_dir ingress erspan_hwid 7
check_err $?
- ip netns exec "$testns" ip addr add dev "$DEV_NS" 10.1.1.100/24
+ ip -netns "$testns" addr add dev "$DEV_NS" 10.1.1.100/24
check_err $?
- ip netns exec "$testns" ip link set dev $DEV_NS up
+ ip -netns "$testns" link set dev $DEV_NS up
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
# test external mode
- ip netns exec "$testns" ip link add dev "$DEV_NS" type erspan external
+ ip -netns "$testns" link add dev "$DEV_NS" type erspan external
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
if [ $ret -ne 0 ]; then
@@ -923,41 +1021,41 @@ kci_test_ip6erspan()
fi
# test native tunnel ip6erspan v1
- ip netns exec "$testns" ip link add dev "$DEV_NS" type ip6erspan seq \
+ ip -netns "$testns" link add dev "$DEV_NS" type ip6erspan seq \
key 102 local fc00:100::1 remote fc00:100::2 \
erspan_ver 1 erspan 488
check_err $?
- ip netns exec "$testns" ip addr add dev "$DEV_NS" 10.1.1.100/24
+ ip -netns "$testns" addr add dev "$DEV_NS" 10.1.1.100/24
check_err $?
- ip netns exec "$testns" ip link set dev $DEV_NS up
+ ip -netns "$testns" link set dev $DEV_NS up
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
# test native tunnel ip6erspan v2
- ip netns exec "$testns" ip link add dev "$DEV_NS" type ip6erspan seq \
+ ip -netns "$testns" link add dev "$DEV_NS" type ip6erspan seq \
key 102 local fc00:100::1 remote fc00:100::2 \
erspan_ver 2 erspan_dir ingress erspan_hwid 7
check_err $?
- ip netns exec "$testns" ip addr add dev "$DEV_NS" 10.1.1.100/24
+ ip -netns "$testns" addr add dev "$DEV_NS" 10.1.1.100/24
check_err $?
- ip netns exec "$testns" ip link set dev $DEV_NS up
+ ip -netns "$testns" link set dev $DEV_NS up
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
# test external mode
- ip netns exec "$testns" ip link add dev "$DEV_NS" \
+ ip -netns "$testns" link add dev "$DEV_NS" \
type ip6erspan external
check_err $?
- ip netns exec "$testns" ip link del "$DEV_NS"
+ ip -netns "$testns" link del "$DEV_NS"
check_err $?
if [ $ret -ne 0 ]; then
@@ -1085,6 +1183,8 @@ kci_test_rtnl()
kci_test_polrouting
kci_test_route_get
+ kci_test_addrlft
+ kci_test_promote_secondaries
kci_test_tc
kci_test_gre
kci_test_gretap
diff --git a/tools/testing/selftests/net/run_afpackettests b/tools/testing/selftests/net/run_afpackettests
index 2dc95fda7ef7..8b42e8b04e0f 100755
--- a/tools/testing/selftests/net/run_afpackettests
+++ b/tools/testing/selftests/net/run_afpackettests
@@ -6,12 +6,14 @@ if [ $(id -u) != 0 ]; then
exit 0
fi
+ret=0
echo "--------------------"
echo "running psock_fanout test"
echo "--------------------"
./in_netns.sh ./psock_fanout
if [ $? -ne 0 ]; then
echo "[FAIL]"
+ ret=1
else
echo "[PASS]"
fi
@@ -19,11 +21,16 @@ fi
echo "--------------------"
echo "running psock_tpacket test"
echo "--------------------"
-./in_netns.sh ./psock_tpacket
-if [ $? -ne 0 ]; then
- echo "[FAIL]"
+if [ -f /proc/kallsyms ]; then
+ ./in_netns.sh ./psock_tpacket
+ if [ $? -ne 0 ]; then
+ echo "[FAIL]"
+ ret=1
+ else
+ echo "[PASS]"
+ fi
else
- echo "[PASS]"
+ echo "[SKIP] CONFIG_KALLSYMS not enabled"
fi
echo "--------------------"
@@ -32,6 +39,8 @@ echo "--------------------"
./in_netns.sh ./txring_overwrite
if [ $? -ne 0 ]; then
echo "[FAIL]"
+ ret=1
else
echo "[PASS]"
fi
+exit $ret
diff --git a/tools/testing/selftests/net/run_netsocktests b/tools/testing/selftests/net/run_netsocktests
index b093f39c298c..14e41faf2c57 100755
--- a/tools/testing/selftests/net/run_netsocktests
+++ b/tools/testing/selftests/net/run_netsocktests
@@ -7,7 +7,7 @@ echo "--------------------"
./socket
if [ $? -ne 0 ]; then
echo "[FAIL]"
+ exit 1
else
echo "[PASS]"
fi
-
diff --git a/tools/testing/selftests/net/so_txtime.c b/tools/testing/selftests/net/so_txtime.c
new file mode 100644
index 000000000000..53f598f06647
--- /dev/null
+++ b/tools/testing/selftests/net/so_txtime.c
@@ -0,0 +1,296 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Test the SO_TXTIME API
+ *
+ * Takes two streams of { payload, delivery time }[], one input and one output.
+ * Sends the input stream and verifies arrival matches the output stream.
+ * The two streams can differ due to out-of-order delivery and drops.
+ */
+
+#define _GNU_SOURCE
+
+#include <arpa/inet.h>
+#include <error.h>
+#include <errno.h>
+#include <linux/net_tstamp.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+static int cfg_clockid = CLOCK_TAI;
+static bool cfg_do_ipv4;
+static bool cfg_do_ipv6;
+static uint16_t cfg_port = 8000;
+static int cfg_variance_us = 2000;
+
+static uint64_t glob_tstart;
+
+/* encode one timed transmission (of a 1B payload) */
+struct timed_send {
+ char data;
+ int64_t delay_us;
+};
+
+#define MAX_NUM_PKT 8
+static struct timed_send cfg_in[MAX_NUM_PKT];
+static struct timed_send cfg_out[MAX_NUM_PKT];
+static int cfg_num_pkt;
+
+static uint64_t gettime_ns(void)
+{
+ struct timespec ts;
+
+ if (clock_gettime(cfg_clockid, &ts))
+ error(1, errno, "gettime");
+
+ return ts.tv_sec * (1000ULL * 1000 * 1000) + ts.tv_nsec;
+}
+
+static void do_send_one(int fdt, struct timed_send *ts)
+{
+ char control[CMSG_SPACE(sizeof(uint64_t))];
+ struct msghdr msg = {0};
+ struct iovec iov = {0};
+ struct cmsghdr *cm;
+ uint64_t tdeliver;
+ int ret;
+
+ iov.iov_base = &ts->data;
+ iov.iov_len = 1;
+
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+
+ if (ts->delay_us >= 0) {
+ memset(control, 0, sizeof(control));
+ msg.msg_control = &control;
+ msg.msg_controllen = sizeof(control);
+
+ tdeliver = glob_tstart + ts->delay_us * 1000;
+
+ cm = CMSG_FIRSTHDR(&msg);
+ cm->cmsg_level = SOL_SOCKET;
+ cm->cmsg_type = SCM_TXTIME;
+ cm->cmsg_len = CMSG_LEN(sizeof(tdeliver));
+ memcpy(CMSG_DATA(cm), &tdeliver, sizeof(tdeliver));
+ }
+
+ ret = sendmsg(fdt, &msg, 0);
+ if (ret == -1)
+ error(1, errno, "write");
+ if (ret == 0)
+ error(1, 0, "write: 0B");
+
+}
+
+static void do_recv_one(int fdr, struct timed_send *ts)
+{
+ int64_t tstop, texpect;
+ char rbuf[2];
+ int ret;
+
+ ret = recv(fdr, rbuf, sizeof(rbuf), 0);
+ if (ret == -1)
+ error(1, errno, "read");
+ if (ret != 1)
+ error(1, 0, "read: %dB", ret);
+
+ tstop = (gettime_ns() - glob_tstart) / 1000;
+ texpect = ts->delay_us >= 0 ? ts->delay_us : 0;
+
+ fprintf(stderr, "payload:%c delay:%ld expected:%ld (us)\n",
+ rbuf[0], tstop, texpect);
+
+ if (rbuf[0] != ts->data)
+ error(1, 0, "payload mismatch. expected %c", ts->data);
+
+ if (labs(tstop - texpect) > cfg_variance_us)
+ error(1, 0, "exceeds variance (%d us)", cfg_variance_us);
+}
+
+static void do_recv_verify_empty(int fdr)
+{
+ char rbuf[1];
+ int ret;
+
+ ret = recv(fdr, rbuf, sizeof(rbuf), 0);
+ if (ret != -1 || errno != EAGAIN)
+ error(1, 0, "recv: not empty as expected (%d, %d)", ret, errno);
+}
+
+static void setsockopt_txtime(int fd)
+{
+ struct sock_txtime so_txtime_val = { .clockid = cfg_clockid };
+ struct sock_txtime so_txtime_val_read = { 0 };
+ socklen_t vallen = sizeof(so_txtime_val);
+
+ if (setsockopt(fd, SOL_SOCKET, SO_TXTIME,
+ &so_txtime_val, sizeof(so_txtime_val)))
+ error(1, errno, "setsockopt txtime");
+
+ if (getsockopt(fd, SOL_SOCKET, SO_TXTIME,
+ &so_txtime_val_read, &vallen))
+ error(1, errno, "getsockopt txtime");
+
+ if (vallen != sizeof(so_txtime_val) ||
+ memcmp(&so_txtime_val, &so_txtime_val_read, vallen))
+ error(1, 0, "getsockopt txtime: mismatch");
+}
+
+static int setup_tx(struct sockaddr *addr, socklen_t alen)
+{
+ int fd;
+
+ fd = socket(addr->sa_family, SOCK_DGRAM, 0);
+ if (fd == -1)
+ error(1, errno, "socket t");
+
+ if (connect(fd, addr, alen))
+ error(1, errno, "connect");
+
+ setsockopt_txtime(fd);
+
+ return fd;
+}
+
+static int setup_rx(struct sockaddr *addr, socklen_t alen)
+{
+ struct timeval tv = { .tv_usec = 100 * 1000 };
+ int fd;
+
+ fd = socket(addr->sa_family, SOCK_DGRAM, 0);
+ if (fd == -1)
+ error(1, errno, "socket r");
+
+ if (bind(fd, addr, alen))
+ error(1, errno, "bind");
+
+ if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)))
+ error(1, errno, "setsockopt rcv timeout");
+
+ return fd;
+}
+
+static void do_test(struct sockaddr *addr, socklen_t alen)
+{
+ int fdt, fdr, i;
+
+ fprintf(stderr, "\nSO_TXTIME ipv%c clock %s\n",
+ addr->sa_family == PF_INET ? '4' : '6',
+ cfg_clockid == CLOCK_TAI ? "tai" : "monotonic");
+
+ fdt = setup_tx(addr, alen);
+ fdr = setup_rx(addr, alen);
+
+ glob_tstart = gettime_ns();
+
+ for (i = 0; i < cfg_num_pkt; i++)
+ do_send_one(fdt, &cfg_in[i]);
+ for (i = 0; i < cfg_num_pkt; i++)
+ do_recv_one(fdr, &cfg_out[i]);
+
+ do_recv_verify_empty(fdr);
+
+ if (close(fdr))
+ error(1, errno, "close r");
+ if (close(fdt))
+ error(1, errno, "close t");
+}
+
+static int parse_io(const char *optarg, struct timed_send *array)
+{
+ char *arg, *tok;
+ int aoff = 0;
+
+ arg = strdup(optarg);
+ if (!arg)
+ error(1, errno, "strdup");
+
+ while ((tok = strtok(arg, ","))) {
+ arg = NULL; /* only pass non-zero on first call */
+
+ if (aoff / 2 == MAX_NUM_PKT)
+ error(1, 0, "exceeds max pkt count (%d)", MAX_NUM_PKT);
+
+ if (aoff & 1) { /* parse delay */
+ array->delay_us = strtol(tok, NULL, 0) * 1000;
+ array++;
+ } else { /* parse character */
+ array->data = tok[0];
+ }
+
+ aoff++;
+ }
+
+ free(arg);
+
+ return aoff / 2;
+}
+
+static void parse_opts(int argc, char **argv)
+{
+ int c, ilen, olen;
+
+ while ((c = getopt(argc, argv, "46c:")) != -1) {
+ switch (c) {
+ case '4':
+ cfg_do_ipv4 = true;
+ break;
+ case '6':
+ cfg_do_ipv6 = true;
+ break;
+ case 'c':
+ if (!strcmp(optarg, "tai"))
+ cfg_clockid = CLOCK_TAI;
+ else if (!strcmp(optarg, "monotonic") ||
+ !strcmp(optarg, "mono"))
+ cfg_clockid = CLOCK_MONOTONIC;
+ else
+ error(1, 0, "unknown clock id %s", optarg);
+ break;
+ default:
+ error(1, 0, "parse error at %d", optind);
+ }
+ }
+
+ if (argc - optind != 2)
+ error(1, 0, "Usage: %s [-46] -c <clock> <in> <out>", argv[0]);
+
+ ilen = parse_io(argv[optind], cfg_in);
+ olen = parse_io(argv[optind + 1], cfg_out);
+ if (ilen != olen)
+ error(1, 0, "i/o streams len mismatch (%d, %d)\n", ilen, olen);
+ cfg_num_pkt = ilen;
+}
+
+int main(int argc, char **argv)
+{
+ parse_opts(argc, argv);
+
+ if (cfg_do_ipv6) {
+ struct sockaddr_in6 addr6 = {0};
+
+ addr6.sin6_family = AF_INET6;
+ addr6.sin6_port = htons(cfg_port);
+ addr6.sin6_addr = in6addr_loopback;
+ do_test((void *)&addr6, sizeof(addr6));
+ }
+
+ if (cfg_do_ipv4) {
+ struct sockaddr_in addr4 = {0};
+
+ addr4.sin_family = AF_INET;
+ addr4.sin_port = htons(cfg_port);
+ addr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ do_test((void *)&addr4, sizeof(addr4));
+ }
+
+ return 0;
+}
diff --git a/tools/testing/selftests/net/so_txtime.sh b/tools/testing/selftests/net/so_txtime.sh
new file mode 100755
index 000000000000..5aa519328a5b
--- /dev/null
+++ b/tools/testing/selftests/net/so_txtime.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Regression tests for the SO_TXTIME interface
+
+# Run in network namespace
+if [[ $# -eq 0 ]]; then
+ ./in_netns.sh $0 __subprocess
+ exit $?
+fi
+
+set -e
+
+tc qdisc add dev lo root fq
+./so_txtime -4 -6 -c mono a,-1 a,-1
+./so_txtime -4 -6 -c mono a,0 a,0
+./so_txtime -4 -6 -c mono a,10 a,10
+./so_txtime -4 -6 -c mono a,10,b,20 a,10,b,20
+./so_txtime -4 -6 -c mono a,20,b,10 b,20,a,20
+
+if tc qdisc replace dev lo root etf clockid CLOCK_TAI delta 200000; then
+ ! ./so_txtime -4 -6 -c tai a,-1 a,-1
+ ! ./so_txtime -4 -6 -c tai a,0 a,0
+ ./so_txtime -4 -6 -c tai a,10 a,10
+ ./so_txtime -4 -6 -c tai a,10,b,20 a,10,b,20
+ ./so_txtime -4 -6 -c tai a,20,b,10 b,10,a,20
+else
+ echo "tc ($(tc -V)) does not support qdisc etf. skipping"
+fi
+
+echo OK. All tests passed
diff --git a/tools/testing/selftests/net/tcp_fastopen_backup_key.c b/tools/testing/selftests/net/tcp_fastopen_backup_key.c
new file mode 100644
index 000000000000..9c55ec44fc43
--- /dev/null
+++ b/tools/testing/selftests/net/tcp_fastopen_backup_key.c
@@ -0,0 +1,335 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Test key rotation for TFO.
+ * New keys are 'rotated' in two steps:
+ * 1) Add new key as the 'backup' key 'behind' the primary key
+ * 2) Make new key the primary by swapping the backup and primary keys
+ *
+ * The rotation is done in stages using multiple sockets bound
+ * to the same port via SO_REUSEPORT. This simulates key rotation
+ * behind say a load balancer. We verify that across the rotation
+ * there are no cases in which a cookie is not accepted by verifying
+ * that TcpExtTCPFastOpenPassiveFail remains 0.
+ */
+#define _GNU_SOURCE
+#include <arpa/inet.h>
+#include <errno.h>
+#include <error.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <unistd.h>
+#include <netinet/tcp.h>
+#include <fcntl.h>
+#include <time.h>
+
+#ifndef TCP_FASTOPEN_KEY
+#define TCP_FASTOPEN_KEY 33
+#endif
+
+#define N_LISTEN 10
+#define PROC_FASTOPEN_KEY "/proc/sys/net/ipv4/tcp_fastopen_key"
+#define KEY_LENGTH 16
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+#endif
+
+static bool do_ipv6;
+static bool do_sockopt;
+static bool do_rotate;
+static int key_len = KEY_LENGTH;
+static int rcv_fds[N_LISTEN];
+static int proc_fd;
+static const char *IP4_ADDR = "127.0.0.1";
+static const char *IP6_ADDR = "::1";
+static const int PORT = 8891;
+
+static void get_keys(int fd, uint32_t *keys)
+{
+ char buf[128];
+ socklen_t len = KEY_LENGTH * 2;
+
+ if (do_sockopt) {
+ if (getsockopt(fd, SOL_TCP, TCP_FASTOPEN_KEY, keys, &len))
+ error(1, errno, "Unable to get key");
+ return;
+ }
+ lseek(proc_fd, 0, SEEK_SET);
+ if (read(proc_fd, buf, sizeof(buf)) <= 0)
+ error(1, errno, "Unable to read %s", PROC_FASTOPEN_KEY);
+ if (sscanf(buf, "%x-%x-%x-%x,%x-%x-%x-%x", keys, keys + 1, keys + 2,
+ keys + 3, keys + 4, keys + 5, keys + 6, keys + 7) != 8)
+ error(1, 0, "Unable to parse %s", PROC_FASTOPEN_KEY);
+}
+
+static void set_keys(int fd, uint32_t *keys)
+{
+ char buf[128];
+
+ if (do_sockopt) {
+ if (setsockopt(fd, SOL_TCP, TCP_FASTOPEN_KEY, keys,
+ key_len))
+ error(1, errno, "Unable to set key");
+ return;
+ }
+ if (do_rotate)
+ snprintf(buf, 128, "%08x-%08x-%08x-%08x,%08x-%08x-%08x-%08x",
+ keys[0], keys[1], keys[2], keys[3], keys[4], keys[5],
+ keys[6], keys[7]);
+ else
+ snprintf(buf, 128, "%08x-%08x-%08x-%08x",
+ keys[0], keys[1], keys[2], keys[3]);
+ lseek(proc_fd, 0, SEEK_SET);
+ if (write(proc_fd, buf, sizeof(buf)) <= 0)
+ error(1, errno, "Unable to write %s", PROC_FASTOPEN_KEY);
+}
+
+static void build_rcv_fd(int family, int proto, int *rcv_fds)
+{
+ struct sockaddr_in addr4 = {0};
+ struct sockaddr_in6 addr6 = {0};
+ struct sockaddr *addr;
+ int opt = 1, i, sz;
+ int qlen = 100;
+ uint32_t keys[8];
+
+ switch (family) {
+ case AF_INET:
+ addr4.sin_family = family;
+ addr4.sin_addr.s_addr = htonl(INADDR_ANY);
+ addr4.sin_port = htons(PORT);
+ sz = sizeof(addr4);
+ addr = (struct sockaddr *)&addr4;
+ break;
+ case AF_INET6:
+ addr6.sin6_family = AF_INET6;
+ addr6.sin6_addr = in6addr_any;
+ addr6.sin6_port = htons(PORT);
+ sz = sizeof(addr6);
+ addr = (struct sockaddr *)&addr6;
+ break;
+ default:
+ error(1, 0, "Unsupported family %d", family);
+ /* clang does not recognize error() above as terminating
+ * the program, so it complains that saddr, sz are
+ * not initialized when this code path is taken. Silence it.
+ */
+ return;
+ }
+ for (i = 0; i < ARRAY_SIZE(keys); i++)
+ keys[i] = rand();
+ for (i = 0; i < N_LISTEN; i++) {
+ rcv_fds[i] = socket(family, proto, 0);
+ if (rcv_fds[i] < 0)
+ error(1, errno, "failed to create receive socket");
+ if (setsockopt(rcv_fds[i], SOL_SOCKET, SO_REUSEPORT, &opt,
+ sizeof(opt)))
+ error(1, errno, "failed to set SO_REUSEPORT");
+ if (bind(rcv_fds[i], addr, sz))
+ error(1, errno, "failed to bind receive socket");
+ if (setsockopt(rcv_fds[i], SOL_TCP, TCP_FASTOPEN, &qlen,
+ sizeof(qlen)))
+ error(1, errno, "failed to set TCP_FASTOPEN");
+ set_keys(rcv_fds[i], keys);
+ if (proto == SOCK_STREAM && listen(rcv_fds[i], 10))
+ error(1, errno, "failed to listen on receive port");
+ }
+}
+
+static int connect_and_send(int family, int proto)
+{
+ struct sockaddr_in saddr4 = {0};
+ struct sockaddr_in daddr4 = {0};
+ struct sockaddr_in6 saddr6 = {0};
+ struct sockaddr_in6 daddr6 = {0};
+ struct sockaddr *saddr, *daddr;
+ int fd, sz, ret;
+ char data[1];
+
+ switch (family) {
+ case AF_INET:
+ saddr4.sin_family = AF_INET;
+ saddr4.sin_addr.s_addr = htonl(INADDR_ANY);
+ saddr4.sin_port = 0;
+
+ daddr4.sin_family = AF_INET;
+ if (!inet_pton(family, IP4_ADDR, &daddr4.sin_addr.s_addr))
+ error(1, errno, "inet_pton failed: %s", IP4_ADDR);
+ daddr4.sin_port = htons(PORT);
+
+ sz = sizeof(saddr4);
+ saddr = (struct sockaddr *)&saddr4;
+ daddr = (struct sockaddr *)&daddr4;
+ break;
+ case AF_INET6:
+ saddr6.sin6_family = AF_INET6;
+ saddr6.sin6_addr = in6addr_any;
+
+ daddr6.sin6_family = AF_INET6;
+ if (!inet_pton(family, IP6_ADDR, &daddr6.sin6_addr))
+ error(1, errno, "inet_pton failed: %s", IP6_ADDR);
+ daddr6.sin6_port = htons(PORT);
+
+ sz = sizeof(saddr6);
+ saddr = (struct sockaddr *)&saddr6;
+ daddr = (struct sockaddr *)&daddr6;
+ break;
+ default:
+ error(1, 0, "Unsupported family %d", family);
+ /* clang does not recognize error() above as terminating
+ * the program, so it complains that saddr, daddr, sz are
+ * not initialized when this code path is taken. Silence it.
+ */
+ return -1;
+ }
+ fd = socket(family, proto, 0);
+ if (fd < 0)
+ error(1, errno, "failed to create send socket");
+ if (bind(fd, saddr, sz))
+ error(1, errno, "failed to bind send socket");
+ data[0] = 'a';
+ ret = sendto(fd, data, 1, MSG_FASTOPEN, daddr, sz);
+ if (ret != 1)
+ error(1, errno, "failed to sendto");
+
+ return fd;
+}
+
+static bool is_listen_fd(int fd)
+{
+ int i;
+
+ for (i = 0; i < N_LISTEN; i++) {
+ if (rcv_fds[i] == fd)
+ return true;
+ }
+ return false;
+}
+
+static void rotate_key(int fd)
+{
+ static int iter;
+ static uint32_t new_key[4];
+ uint32_t keys[8];
+ uint32_t tmp_key[4];
+ int i;
+
+ if (iter < N_LISTEN) {
+ /* first set new key as backups */
+ if (iter == 0) {
+ for (i = 0; i < ARRAY_SIZE(new_key); i++)
+ new_key[i] = rand();
+ }
+ get_keys(fd, keys);
+ memcpy(keys + 4, new_key, KEY_LENGTH);
+ set_keys(fd, keys);
+ } else {
+ /* swap the keys */
+ get_keys(fd, keys);
+ memcpy(tmp_key, keys + 4, KEY_LENGTH);
+ memcpy(keys + 4, keys, KEY_LENGTH);
+ memcpy(keys, tmp_key, KEY_LENGTH);
+ set_keys(fd, keys);
+ }
+ if (++iter >= (N_LISTEN * 2))
+ iter = 0;
+}
+
+static void run_one_test(int family)
+{
+ struct epoll_event ev;
+ int i, send_fd;
+ int n_loops = 10000;
+ int rotate_key_fd = 0;
+ int key_rotate_interval = 50;
+ int fd, epfd;
+ char buf[1];
+
+ build_rcv_fd(family, SOCK_STREAM, rcv_fds);
+ epfd = epoll_create(1);
+ if (epfd < 0)
+ error(1, errno, "failed to create epoll");
+ ev.events = EPOLLIN;
+ for (i = 0; i < N_LISTEN; i++) {
+ ev.data.fd = rcv_fds[i];
+ if (epoll_ctl(epfd, EPOLL_CTL_ADD, rcv_fds[i], &ev))
+ error(1, errno, "failed to register sock epoll");
+ }
+ while (n_loops--) {
+ send_fd = connect_and_send(family, SOCK_STREAM);
+ if (do_rotate && ((n_loops % key_rotate_interval) == 0)) {
+ rotate_key(rcv_fds[rotate_key_fd]);
+ if (++rotate_key_fd >= N_LISTEN)
+ rotate_key_fd = 0;
+ }
+ while (1) {
+ i = epoll_wait(epfd, &ev, 1, -1);
+ if (i < 0)
+ error(1, errno, "epoll_wait failed");
+ if (is_listen_fd(ev.data.fd)) {
+ fd = accept(ev.data.fd, NULL, NULL);
+ if (fd < 0)
+ error(1, errno, "failed to accept");
+ ev.data.fd = fd;
+ if (epoll_ctl(epfd, EPOLL_CTL_ADD, fd, &ev))
+ error(1, errno, "failed epoll add");
+ continue;
+ }
+ i = recv(ev.data.fd, buf, sizeof(buf), 0);
+ if (i != 1)
+ error(1, errno, "failed recv data");
+ if (epoll_ctl(epfd, EPOLL_CTL_DEL, ev.data.fd, NULL))
+ error(1, errno, "failed epoll del");
+ close(ev.data.fd);
+ break;
+ }
+ close(send_fd);
+ }
+ for (i = 0; i < N_LISTEN; i++)
+ close(rcv_fds[i]);
+}
+
+static void parse_opts(int argc, char **argv)
+{
+ int c;
+
+ while ((c = getopt(argc, argv, "46sr")) != -1) {
+ switch (c) {
+ case '4':
+ do_ipv6 = false;
+ break;
+ case '6':
+ do_ipv6 = true;
+ break;
+ case 's':
+ do_sockopt = true;
+ break;
+ case 'r':
+ do_rotate = true;
+ key_len = KEY_LENGTH * 2;
+ break;
+ default:
+ error(1, 0, "%s: parse error", argv[0]);
+ }
+ }
+}
+
+int main(int argc, char **argv)
+{
+ parse_opts(argc, argv);
+ proc_fd = open(PROC_FASTOPEN_KEY, O_RDWR);
+ if (proc_fd < 0)
+ error(1, errno, "Unable to open %s", PROC_FASTOPEN_KEY);
+ srand(time(NULL));
+ if (do_ipv6)
+ run_one_test(AF_INET6);
+ else
+ run_one_test(AF_INET);
+ close(proc_fd);
+ fprintf(stderr, "PASS\n");
+ return 0;
+}
diff --git a/tools/testing/selftests/net/tcp_fastopen_backup_key.sh b/tools/testing/selftests/net/tcp_fastopen_backup_key.sh
new file mode 100755
index 000000000000..41476399e184
--- /dev/null
+++ b/tools/testing/selftests/net/tcp_fastopen_backup_key.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# rotate TFO keys for ipv4/ipv6 and verify that the client does
+# not present an invalid cookie.
+
+set +x
+set -e
+
+readonly NETNS="ns-$(mktemp -u XXXXXX)"
+
+setup() {
+ ip netns add "${NETNS}"
+ ip -netns "${NETNS}" link set lo up
+ ip netns exec "${NETNS}" sysctl -w net.ipv4.tcp_fastopen=3 \
+ >/dev/null 2>&1
+}
+
+cleanup() {
+ ip netns del "${NETNS}"
+}
+
+trap cleanup EXIT
+setup
+
+do_test() {
+ # flush routes before each run, otherwise successive runs can
+ # initially present an old TFO cookie
+ ip netns exec "${NETNS}" ip tcp_metrics flush
+ ip netns exec "${NETNS}" ./tcp_fastopen_backup_key "$1"
+ val=$(ip netns exec "${NETNS}" nstat -az | \
+ grep TcpExtTCPFastOpenPassiveFail | awk '{print $2}')
+ if [ $val -ne 0 ]; then
+ echo "FAIL: TcpExtTCPFastOpenPassiveFail non-zero"
+ return 1
+ fi
+}
+
+do_test "-4"
+do_test "-6"
+do_test "-4"
+do_test "-6"
+do_test "-4s"
+do_test "-6s"
+do_test "-4s"
+do_test "-6s"
+do_test "-4r"
+do_test "-6r"
+do_test "-4r"
+do_test "-6r"
+do_test "-4sr"
+do_test "-6sr"
+do_test "-4sr"
+do_test "-6sr"
+echo "all tests done"
diff --git a/tools/testing/selftests/net/tcp_inq.c b/tools/testing/selftests/net/tcp_inq.c
index d044b29ddabc..bd6a9c7a3e8a 100644
--- a/tools/testing/selftests/net/tcp_inq.c
+++ b/tools/testing/selftests/net/tcp_inq.c
@@ -1,19 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2018 Google Inc.
* Author: Soheil Hassas Yeganeh (soheil@google.com)
*
* Simple example on how to use TCP_INQ and TCP_CM_INQ.
- *
- * License (GPLv2):
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for
- * more details.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/net/tcp_mmap.c b/tools/testing/selftests/net/tcp_mmap.c
index e8c5dff448eb..31ced79f4f25 100644
--- a/tools/testing/selftests/net/tcp_mmap.c
+++ b/tools/testing/selftests/net/tcp_mmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2018 Google Inc.
* Author: Eric Dumazet (edumazet@google.com)
@@ -44,21 +45,6 @@
* cpu usage user:0.046 sys:3.559, 110.016 usec per MB, 65529 c-switches
* received 32768 MB (99.9939 % mmap'ed) in 7.43764 s, 36.9577 Gbit
* cpu usage user:0.035 sys:3.467, 106.873 usec per MB, 65530 c-switches
- *
- * License (GPLv2):
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _GNU_SOURCE
#include <pthread.h>
diff --git a/tools/testing/selftests/net/test_blackhole_dev.sh b/tools/testing/selftests/net/test_blackhole_dev.sh
new file mode 100755
index 000000000000..3119b80e711f
--- /dev/null
+++ b/tools/testing/selftests/net/test_blackhole_dev.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# Runs blackhole-dev test using blackhole-dev kernel module
+
+if /sbin/modprobe -q test_blackhole_dev ; then
+ /sbin/modprobe -q -r test_blackhole_dev;
+ echo "test_blackhole_dev: ok";
+else
+ echo "test_blackhole_dev: [FAIL]";
+ exit 1;
+fi
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index fac68d710f35..090fff9dbc48 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -42,7 +42,7 @@ FIXTURE_SETUP(tls)
len = sizeof(addr);
memset(&tls12, 0, sizeof(tls12));
- tls12.info.version = TLS_1_2_VERSION;
+ tls12.info.version = TLS_1_3_VERSION;
tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
addr.sin_family = AF_INET;
@@ -442,6 +442,21 @@ TEST_F(tls, multiple_send_single_recv)
EXPECT_EQ(memcmp(send_mem, recv_mem + send_len, send_len), 0);
}
+TEST_F(tls, single_send_multiple_recv_non_align)
+{
+ const unsigned int total_len = 15;
+ const unsigned int recv_len = 10;
+ char recv_mem[recv_len * 2];
+ char send_mem[total_len];
+
+ EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
+ memset(recv_mem, 0, total_len);
+
+ EXPECT_EQ(recv(self->cfd, recv_mem, recv_len, 0), recv_len);
+ EXPECT_EQ(recv(self->cfd, recv_mem + recv_len, recv_len, 0), 5);
+ EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
+}
+
TEST_F(tls, recv_partial)
{
char const *test_str = "test_read_partial";
@@ -452,10 +467,12 @@ TEST_F(tls, recv_partial)
memset(recv_mem, 0, sizeof(recv_mem));
EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
- EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first), 0), -1);
+ EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first),
+ MSG_WAITALL), -1);
EXPECT_EQ(memcmp(test_str_first, recv_mem, strlen(test_str_first)), 0);
memset(recv_mem, 0, sizeof(recv_mem));
- EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_second), 0), -1);
+ EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_second),
+ MSG_WAITALL), -1);
EXPECT_EQ(memcmp(test_str_second, recv_mem, strlen(test_str_second)),
0);
}
@@ -565,14 +582,33 @@ TEST_F(tls, recv_peek_large_buf_mult_recs)
len = strlen(test_str_second) + 1;
EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
- len = sizeof(buf);
+ len = strlen(test_str) + 1;
memset(buf, 0, len);
- EXPECT_NE(recv(self->cfd, buf, len, MSG_PEEK), -1);
-
+ EXPECT_NE((len = recv(self->cfd, buf, len,
+ MSG_PEEK | MSG_WAITALL)), -1);
len = strlen(test_str) + 1;
EXPECT_EQ(memcmp(test_str, buf, len), 0);
}
+TEST_F(tls, recv_lowat)
+{
+ char send_mem[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+ char recv_mem[20];
+ int lowat = 8;
+
+ EXPECT_EQ(send(self->fd, send_mem, 10, 0), 10);
+ EXPECT_EQ(send(self->fd, send_mem, 5, 0), 5);
+
+ memset(recv_mem, 0, 20);
+ EXPECT_EQ(setsockopt(self->cfd, SOL_SOCKET, SO_RCVLOWAT,
+ &lowat, sizeof(lowat)), 0);
+ EXPECT_EQ(recv(self->cfd, recv_mem, 1, MSG_WAITALL), 1);
+ EXPECT_EQ(recv(self->cfd, recv_mem + 1, 6, MSG_WAITALL), 6);
+ EXPECT_EQ(recv(self->cfd, recv_mem + 7, 10, 0), 8);
+
+ EXPECT_EQ(memcmp(send_mem, recv_mem, 10), 0);
+ EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0);
+}
TEST_F(tls, pollin)
{
@@ -608,6 +644,32 @@ TEST_F(tls, poll_wait)
EXPECT_EQ(recv(self->cfd, recv_mem, send_len, MSG_WAITALL), send_len);
}
+TEST_F(tls, poll_wait_split)
+{
+ struct pollfd fd = { 0, 0, 0 };
+ char send_mem[20] = {};
+ char recv_mem[15];
+
+ fd.fd = self->cfd;
+ fd.events = POLLIN;
+ /* Send 20 bytes */
+ EXPECT_EQ(send(self->fd, send_mem, sizeof(send_mem), 0),
+ sizeof(send_mem));
+ /* Poll with inf. timeout */
+ EXPECT_EQ(poll(&fd, 1, -1), 1);
+ EXPECT_EQ(fd.revents & POLLIN, 1);
+ EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), MSG_WAITALL),
+ sizeof(recv_mem));
+
+ /* Now the remaining 5 bytes of record data are in TLS ULP */
+ fd.fd = self->cfd;
+ fd.events = POLLIN;
+ EXPECT_EQ(poll(&fd, 1, -1), 1);
+ EXPECT_EQ(fd.revents & POLLIN, 1);
+ EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0),
+ sizeof(send_mem) - sizeof(recv_mem));
+}
+
TEST_F(tls, blocking)
{
size_t data = 100000;
@@ -751,6 +813,20 @@ TEST_F(tls, control_msg)
EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
vec.iov_base = buf;
+ EXPECT_EQ(recvmsg(self->cfd, &msg, MSG_WAITALL | MSG_PEEK), send_len);
+
+ cmsg = CMSG_FIRSTHDR(&msg);
+ EXPECT_NE(cmsg, NULL);
+ EXPECT_EQ(cmsg->cmsg_level, SOL_TLS);
+ EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE);
+ record_type = *((unsigned char *)CMSG_DATA(cmsg));
+ EXPECT_EQ(record_type, 100);
+ EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
+
+ /* Recv the message again without MSG_PEEK */
+ record_type = 0;
+ memset(buf, 0, sizeof(buf));
+
EXPECT_EQ(recvmsg(self->cfd, &msg, MSG_WAITALL), send_len);
cmsg = CMSG_FIRSTHDR(&msg);
EXPECT_NE(cmsg, NULL);
@@ -761,4 +837,140 @@ TEST_F(tls, control_msg)
EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
}
+TEST(keysizes) {
+ struct tls12_crypto_info_aes_gcm_256 tls12;
+ struct sockaddr_in addr;
+ int sfd, ret, fd, cfd;
+ socklen_t len;
+ bool notls;
+
+ notls = false;
+ len = sizeof(addr);
+
+ memset(&tls12, 0, sizeof(tls12));
+ tls12.info.version = TLS_1_2_VERSION;
+ tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
+
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = htonl(INADDR_ANY);
+ addr.sin_port = 0;
+
+ fd = socket(AF_INET, SOCK_STREAM, 0);
+ sfd = socket(AF_INET, SOCK_STREAM, 0);
+
+ ret = bind(sfd, &addr, sizeof(addr));
+ ASSERT_EQ(ret, 0);
+ ret = listen(sfd, 10);
+ ASSERT_EQ(ret, 0);
+
+ ret = getsockname(sfd, &addr, &len);
+ ASSERT_EQ(ret, 0);
+
+ ret = connect(fd, &addr, sizeof(addr));
+ ASSERT_EQ(ret, 0);
+
+ ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
+ if (ret != 0) {
+ notls = true;
+ printf("Failure setting TCP_ULP, testing without tls\n");
+ }
+
+ if (!notls) {
+ ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12,
+ sizeof(tls12));
+ EXPECT_EQ(ret, 0);
+ }
+
+ cfd = accept(sfd, &addr, &len);
+ ASSERT_GE(cfd, 0);
+
+ if (!notls) {
+ ret = setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls",
+ sizeof("tls"));
+ EXPECT_EQ(ret, 0);
+
+ ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12,
+ sizeof(tls12));
+ EXPECT_EQ(ret, 0);
+ }
+
+ close(sfd);
+ close(fd);
+ close(cfd);
+}
+
+TEST(tls12) {
+ int fd, cfd;
+ bool notls;
+
+ struct tls12_crypto_info_aes_gcm_128 tls12;
+ struct sockaddr_in addr;
+ socklen_t len;
+ int sfd, ret;
+
+ notls = false;
+ len = sizeof(addr);
+
+ memset(&tls12, 0, sizeof(tls12));
+ tls12.info.version = TLS_1_2_VERSION;
+ tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
+
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = htonl(INADDR_ANY);
+ addr.sin_port = 0;
+
+ fd = socket(AF_INET, SOCK_STREAM, 0);
+ sfd = socket(AF_INET, SOCK_STREAM, 0);
+
+ ret = bind(sfd, &addr, sizeof(addr));
+ ASSERT_EQ(ret, 0);
+ ret = listen(sfd, 10);
+ ASSERT_EQ(ret, 0);
+
+ ret = getsockname(sfd, &addr, &len);
+ ASSERT_EQ(ret, 0);
+
+ ret = connect(fd, &addr, sizeof(addr));
+ ASSERT_EQ(ret, 0);
+
+ ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
+ if (ret != 0) {
+ notls = true;
+ printf("Failure setting TCP_ULP, testing without tls\n");
+ }
+
+ if (!notls) {
+ ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12,
+ sizeof(tls12));
+ ASSERT_EQ(ret, 0);
+ }
+
+ cfd = accept(sfd, &addr, &len);
+ ASSERT_GE(cfd, 0);
+
+ if (!notls) {
+ ret = setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls",
+ sizeof("tls"));
+ ASSERT_EQ(ret, 0);
+
+ ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12,
+ sizeof(tls12));
+ ASSERT_EQ(ret, 0);
+ }
+
+ close(sfd);
+
+ char const *test_str = "test_read";
+ int send_len = 10;
+ char buf[10];
+
+ send_len = strlen(test_str) + 1;
+ EXPECT_EQ(send(fd, test_str, send_len, 0), send_len);
+ EXPECT_NE(recv(cfd, buf, send_len, 0), -1);
+ EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
+
+ close(fd);
+ close(cfd);
+}
+
TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/net/txring_overwrite.c b/tools/testing/selftests/net/txring_overwrite.c
index fd8b1c663c39..7d9ea039450a 100644
--- a/tools/testing/selftests/net/txring_overwrite.c
+++ b/tools/testing/selftests/net/txring_overwrite.c
@@ -113,7 +113,7 @@ static int setup_tx(char **ring)
*ring = mmap(0, req.tp_block_size * req.tp_block_nr,
PROT_READ | PROT_WRITE, MAP_SHARED, fdt, 0);
- if (!*ring)
+ if (*ring == MAP_FAILED)
error(1, errno, "mmap");
return fdt;
diff --git a/tools/testing/selftests/net/udpgro.sh b/tools/testing/selftests/net/udpgro.sh
index aeac53a99aeb..ac2a30be9b32 100755
--- a/tools/testing/selftests/net/udpgro.sh
+++ b/tools/testing/selftests/net/udpgro.sh
@@ -37,7 +37,7 @@ run_one() {
cfg_veth
- ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} && \
+ ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} && \
echo "ok" || \
echo "failed" &
@@ -81,7 +81,7 @@ run_one_nat() {
# will land on the 'plain' one
ip netns exec "${PEER_NS}" ./udpgso_bench_rx -G ${family} -b ${addr1} -n 0 &
pid=$!
- ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${family} -b ${addr2%/*} ${rx_args} && \
+ ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${family} -b ${addr2%/*} ${rx_args} && \
echo "ok" || \
echo "failed"&
@@ -99,8 +99,8 @@ run_one_2sock() {
cfg_veth
- ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -p 12345 &
- ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} && \
+ ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} -p 12345 &
+ ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 2000 -R 10 ${rx_args} && \
echo "ok" || \
echo "failed" &
diff --git a/tools/testing/selftests/net/udpgso.c b/tools/testing/selftests/net/udpgso.c
index e279051bc631..b8265ee9923f 100644
--- a/tools/testing/selftests/net/udpgso.c
+++ b/tools/testing/selftests/net/udpgso.c
@@ -17,7 +17,6 @@
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
-#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
diff --git a/tools/testing/selftests/net/udpgso_bench.sh b/tools/testing/selftests/net/udpgso_bench.sh
index 5670a9ffd8eb..80b5d352702e 100755
--- a/tools/testing/selftests/net/udpgso_bench.sh
+++ b/tools/testing/selftests/net/udpgso_bench.sh
@@ -3,6 +3,48 @@
#
# Run a series of udpgso benchmarks
+readonly GREEN='\033[0;92m'
+readonly YELLOW='\033[0;33m'
+readonly RED='\033[0;31m'
+readonly NC='\033[0m' # No Color
+
+readonly KSFT_PASS=0
+readonly KSFT_FAIL=1
+readonly KSFT_SKIP=4
+
+num_pass=0
+num_err=0
+num_skip=0
+
+kselftest_test_exitcode() {
+ local -r exitcode=$1
+
+ if [[ ${exitcode} -eq ${KSFT_PASS} ]]; then
+ num_pass=$(( $num_pass + 1 ))
+ elif [[ ${exitcode} -eq ${KSFT_SKIP} ]]; then
+ num_skip=$(( $num_skip + 1 ))
+ else
+ num_err=$(( $num_err + 1 ))
+ fi
+}
+
+kselftest_exit() {
+ echo -e "$(basename $0): PASS=${num_pass} SKIP=${num_skip} FAIL=${num_err}"
+
+ if [[ $num_err -ne 0 ]]; then
+ echo -e "$(basename $0): ${RED}FAIL${NC}"
+ exit ${KSFT_FAIL}
+ fi
+
+ if [[ $num_skip -ne 0 ]]; then
+ echo -e "$(basename $0): ${YELLOW}SKIP${NC}"
+ exit ${KSFT_SKIP}
+ fi
+
+ echo -e "$(basename $0): ${GREEN}PASS${NC}"
+ exit ${KSFT_PASS}
+}
+
wake_children() {
local -r jobs="$(jobs -p)"
@@ -25,6 +67,7 @@ run_in_netns() {
local -r args=$@
./in_netns.sh $0 __subprocess ${args}
+ kselftest_test_exitcode $?
}
run_udp() {
@@ -38,6 +81,18 @@ run_udp() {
echo "udp gso zerocopy"
run_in_netns ${args} -S 0 -z
+
+ echo "udp gso timestamp"
+ run_in_netns ${args} -S 0 -T
+
+ echo "udp gso zerocopy audit"
+ run_in_netns ${args} -S 0 -z -a
+
+ echo "udp gso timestamp audit"
+ run_in_netns ${args} -S 0 -T -a
+
+ echo "udp gso zerocopy timestamp audit"
+ run_in_netns ${args} -S 0 -T -z -a
}
run_tcp() {
@@ -48,10 +103,15 @@ run_tcp() {
echo "tcp zerocopy"
run_in_netns ${args} -t -z
+
+ # excluding for now because test fails intermittently
+ # add -P option to include poll() to reduce possibility of lost messages
+ #echo "tcp zerocopy audit"
+ #run_in_netns ${args} -t -z -P -a
}
run_all() {
- local -r core_args="-l 4"
+ local -r core_args="-l 3"
local -r ipv4_args="${core_args} -4 -D 127.0.0.1"
local -r ipv6_args="${core_args} -6 -D ::1"
@@ -66,6 +126,7 @@ run_all() {
if [[ $# -eq 0 ]]; then
run_all
+ kselftest_exit
elif [[ $1 == "__subprocess" ]]; then
shift
run_one $@
diff --git a/tools/testing/selftests/net/udpgso_bench_rx.c b/tools/testing/selftests/net/udpgso_bench_rx.c
index 0c960f673324..db3d4a8b5a4c 100644
--- a/tools/testing/selftests/net/udpgso_bench_rx.c
+++ b/tools/testing/selftests/net/udpgso_bench_rx.c
@@ -45,6 +45,8 @@ static int cfg_alen = sizeof(struct sockaddr_in6);
static int cfg_expected_pkt_nr;
static int cfg_expected_pkt_len;
static int cfg_expected_gso_size;
+static int cfg_connect_timeout_ms;
+static int cfg_rcv_timeout_ms;
static struct sockaddr_storage cfg_bind_addr;
static bool interrupted;
@@ -87,7 +89,7 @@ static unsigned long gettimeofday_ms(void)
return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
}
-static void do_poll(int fd)
+static void do_poll(int fd, int timeout_ms)
{
struct pollfd pfd;
int ret;
@@ -102,8 +104,16 @@ static void do_poll(int fd)
break;
if (ret == -1)
error(1, errno, "poll");
- if (ret == 0)
- continue;
+ if (ret == 0) {
+ if (!timeout_ms)
+ continue;
+
+ timeout_ms -= 10;
+ if (timeout_ms <= 0) {
+ interrupted = true;
+ break;
+ }
+ }
if (pfd.revents != POLLIN)
error(1, errno, "poll: 0x%x expected 0x%x\n",
pfd.revents, POLLIN);
@@ -134,7 +144,7 @@ static int do_socket(bool do_tcp)
if (listen(accept_fd, 1))
error(1, errno, "listen");
- do_poll(accept_fd);
+ do_poll(accept_fd, cfg_connect_timeout_ms);
if (interrupted)
exit(0);
@@ -273,7 +283,9 @@ static void do_flush_udp(int fd)
static void usage(const char *filepath)
{
- error(1, 0, "Usage: %s [-Grtv] [-b addr] [-p port] [-l pktlen] [-n packetnr] [-S gsosize]", filepath);
+ error(1, 0, "Usage: %s [-C connect_timeout] [-Grtv] [-b addr] [-p port]"
+ " [-l pktlen] [-n packetnr] [-R rcv_timeout] [-S gsosize]",
+ filepath);
}
static void parse_opts(int argc, char **argv)
@@ -282,7 +294,7 @@ static void parse_opts(int argc, char **argv)
/* bind to any by default */
setup_sockaddr(PF_INET6, "::", &cfg_bind_addr);
- while ((c = getopt(argc, argv, "4b:Gl:n:p:rS:tv")) != -1) {
+ while ((c = getopt(argc, argv, "4b:C:Gl:n:p:rR:S:tv")) != -1) {
switch (c) {
case '4':
cfg_family = PF_INET;
@@ -292,6 +304,9 @@ static void parse_opts(int argc, char **argv)
case 'b':
setup_sockaddr(cfg_family, optarg, &cfg_bind_addr);
break;
+ case 'C':
+ cfg_connect_timeout_ms = strtoul(optarg, NULL, 0);
+ break;
case 'G':
cfg_gro_segment = true;
break;
@@ -307,6 +322,9 @@ static void parse_opts(int argc, char **argv)
case 'r':
cfg_read_all = true;
break;
+ case 'R':
+ cfg_rcv_timeout_ms = strtoul(optarg, NULL, 0);
+ break;
case 'S':
cfg_expected_gso_size = strtol(optarg, NULL, 0);
break;
@@ -329,8 +347,9 @@ static void parse_opts(int argc, char **argv)
static void do_recv(void)
{
+ int timeout_ms = cfg_tcp ? cfg_rcv_timeout_ms : cfg_connect_timeout_ms;
unsigned long tnow, treport;
- int fd, loop = 0;
+ int fd;
fd = do_socket(cfg_tcp);
@@ -342,12 +361,7 @@ static void do_recv(void)
treport = gettimeofday_ms() + 1000;
do {
- /* force termination after the second poll(); this cope both
- * with sender slower than receiver and missing packet errors
- */
- if (cfg_expected_pkt_nr && loop++)
- interrupted = true;
- do_poll(fd);
+ do_poll(fd, timeout_ms);
if (cfg_tcp)
do_flush_tcp(fd);
@@ -365,6 +379,8 @@ static void do_recv(void)
treport = tnow + 1000;
}
+ timeout_ms = cfg_rcv_timeout_ms;
+
} while (!interrupted);
if (cfg_expected_pkt_nr && (packets != cfg_expected_pkt_nr))
diff --git a/tools/testing/selftests/net/udpgso_bench_tx.c b/tools/testing/selftests/net/udpgso_bench_tx.c
index 4074538b5df5..ada99496634a 100644
--- a/tools/testing/selftests/net/udpgso_bench_tx.c
+++ b/tools/testing/selftests/net/udpgso_bench_tx.c
@@ -5,6 +5,8 @@
#include <arpa/inet.h>
#include <errno.h>
#include <error.h>
+#include <linux/errqueue.h>
+#include <linux/net_tstamp.h>
#include <netinet/if_ether.h>
#include <netinet/in.h>
#include <netinet/ip.h>
@@ -19,9 +21,12 @@
#include <string.h>
#include <sys/socket.h>
#include <sys/time.h>
+#include <sys/poll.h>
#include <sys/types.h>
#include <unistd.h>
+#include "../kselftest.h"
+
#ifndef ETH_MAX_MTU
#define ETH_MAX_MTU 0xFFFFU
#endif
@@ -34,10 +39,18 @@
#define SO_ZEROCOPY 60
#endif
+#ifndef SO_EE_ORIGIN_ZEROCOPY
+#define SO_EE_ORIGIN_ZEROCOPY 5
+#endif
+
#ifndef MSG_ZEROCOPY
#define MSG_ZEROCOPY 0x4000000
#endif
+#ifndef ENOTSUPP
+#define ENOTSUPP 524
+#endif
+
#define NUM_PKT 100
static bool cfg_cache_trash;
@@ -48,12 +61,24 @@ static uint16_t cfg_mss;
static int cfg_payload_len = (1472 * 42);
static int cfg_port = 8000;
static int cfg_runtime_ms = -1;
+static bool cfg_poll;
static bool cfg_segment;
static bool cfg_sendmmsg;
static bool cfg_tcp;
+static uint32_t cfg_tx_ts = SOF_TIMESTAMPING_TX_SOFTWARE;
+static bool cfg_tx_tstamp;
+static bool cfg_audit;
+static bool cfg_verbose;
static bool cfg_zerocopy;
static int cfg_msg_nr;
static uint16_t cfg_gso_size;
+static unsigned long total_num_msgs;
+static unsigned long total_num_sends;
+static unsigned long stat_tx_ts;
+static unsigned long stat_tx_ts_errors;
+static unsigned long tstart;
+static unsigned long tend;
+static unsigned long stat_zcopies;
static socklen_t cfg_alen;
static struct sockaddr_storage cfg_dst_addr;
@@ -110,23 +135,125 @@ static void setup_sockaddr(int domain, const char *str_addr, void *sockaddr)
}
}
-static void flush_zerocopy(int fd)
+static void flush_cmsg(struct cmsghdr *cmsg)
+{
+ struct sock_extended_err *err;
+ struct scm_timestamping *tss;
+ __u32 lo;
+ __u32 hi;
+ int i;
+
+ switch (cmsg->cmsg_level) {
+ case SOL_SOCKET:
+ if (cmsg->cmsg_type == SO_TIMESTAMPING) {
+ i = (cfg_tx_ts == SOF_TIMESTAMPING_TX_HARDWARE) ? 2 : 0;
+ tss = (struct scm_timestamping *)CMSG_DATA(cmsg);
+ if (tss->ts[i].tv_sec == 0)
+ stat_tx_ts_errors++;
+ } else {
+ error(1, 0, "unknown SOL_SOCKET cmsg type=%u\n",
+ cmsg->cmsg_type);
+ }
+ break;
+ case SOL_IP:
+ case SOL_IPV6:
+ switch (cmsg->cmsg_type) {
+ case IP_RECVERR:
+ case IPV6_RECVERR:
+ {
+ err = (struct sock_extended_err *)CMSG_DATA(cmsg);
+ switch (err->ee_origin) {
+ case SO_EE_ORIGIN_TIMESTAMPING:
+ /* Got a TX timestamp from error queue */
+ stat_tx_ts++;
+ break;
+ case SO_EE_ORIGIN_ICMP:
+ case SO_EE_ORIGIN_ICMP6:
+ if (cfg_verbose)
+ fprintf(stderr,
+ "received ICMP error: type=%u, code=%u\n",
+ err->ee_type, err->ee_code);
+ break;
+ case SO_EE_ORIGIN_ZEROCOPY:
+ {
+ lo = err->ee_info;
+ hi = err->ee_data;
+ /* range of IDs acknowledged */
+ stat_zcopies += hi - lo + 1;
+ break;
+ }
+ case SO_EE_ORIGIN_LOCAL:
+ if (cfg_verbose)
+ fprintf(stderr,
+ "received packet with local origin: %u\n",
+ err->ee_origin);
+ break;
+ default:
+ error(0, 1, "received packet with origin: %u",
+ err->ee_origin);
+ }
+ break;
+ }
+ default:
+ error(0, 1, "unknown IP msg type=%u\n",
+ cmsg->cmsg_type);
+ break;
+ }
+ break;
+ default:
+ error(0, 1, "unknown cmsg level=%u\n",
+ cmsg->cmsg_level);
+ }
+}
+
+static void flush_errqueue_recv(int fd)
{
- struct msghdr msg = {0}; /* flush */
+ char control[CMSG_SPACE(sizeof(struct scm_timestamping)) +
+ CMSG_SPACE(sizeof(struct sock_extended_err)) +
+ CMSG_SPACE(sizeof(struct sockaddr_in6))] = {0};
+ struct msghdr msg = {0};
+ struct cmsghdr *cmsg;
int ret;
while (1) {
+ msg.msg_control = control;
+ msg.msg_controllen = sizeof(control);
ret = recvmsg(fd, &msg, MSG_ERRQUEUE);
if (ret == -1 && errno == EAGAIN)
break;
if (ret == -1)
error(1, errno, "errqueue");
- if (msg.msg_flags != (MSG_ERRQUEUE | MSG_CTRUNC))
+ if (msg.msg_flags != MSG_ERRQUEUE)
error(1, 0, "errqueue: flags 0x%x\n", msg.msg_flags);
+ if (cfg_audit) {
+ for (cmsg = CMSG_FIRSTHDR(&msg);
+ cmsg;
+ cmsg = CMSG_NXTHDR(&msg, cmsg))
+ flush_cmsg(cmsg);
+ }
msg.msg_flags = 0;
}
}
+static void flush_errqueue(int fd, const bool do_poll)
+{
+ if (do_poll) {
+ struct pollfd fds = {0};
+ int ret;
+
+ fds.fd = fd;
+ ret = poll(&fds, 1, 500);
+ if (ret == 0) {
+ if (cfg_verbose)
+ fprintf(stderr, "poll timeout\n");
+ } else if (ret < 0) {
+ error(1, errno, "poll");
+ }
+ }
+
+ flush_errqueue_recv(fd);
+}
+
static int send_tcp(int fd, char *data)
{
int ret, done = 0, count = 0;
@@ -168,16 +295,40 @@ static int send_udp(int fd, char *data)
return count;
}
+static void send_ts_cmsg(struct cmsghdr *cm)
+{
+ uint32_t *valp;
+
+ cm->cmsg_level = SOL_SOCKET;
+ cm->cmsg_type = SO_TIMESTAMPING;
+ cm->cmsg_len = CMSG_LEN(sizeof(cfg_tx_ts));
+ valp = (void *)CMSG_DATA(cm);
+ *valp = cfg_tx_ts;
+}
+
static int send_udp_sendmmsg(int fd, char *data)
{
+ char control[CMSG_SPACE(sizeof(cfg_tx_ts))] = {0};
const int max_nr_msg = ETH_MAX_MTU / ETH_DATA_LEN;
struct mmsghdr mmsgs[max_nr_msg];
struct iovec iov[max_nr_msg];
unsigned int off = 0, left;
+ size_t msg_controllen = 0;
int i = 0, ret;
memset(mmsgs, 0, sizeof(mmsgs));
+ if (cfg_tx_tstamp) {
+ struct msghdr msg = {0};
+ struct cmsghdr *cmsg;
+
+ msg.msg_control = control;
+ msg.msg_controllen = sizeof(control);
+ cmsg = CMSG_FIRSTHDR(&msg);
+ send_ts_cmsg(cmsg);
+ msg_controllen += CMSG_SPACE(sizeof(cfg_tx_ts));
+ }
+
left = cfg_payload_len;
while (left) {
if (i == max_nr_msg)
@@ -189,6 +340,13 @@ static int send_udp_sendmmsg(int fd, char *data)
mmsgs[i].msg_hdr.msg_iov = iov + i;
mmsgs[i].msg_hdr.msg_iovlen = 1;
+ mmsgs[i].msg_hdr.msg_name = (void *)&cfg_dst_addr;
+ mmsgs[i].msg_hdr.msg_namelen = cfg_alen;
+ if (msg_controllen) {
+ mmsgs[i].msg_hdr.msg_control = control;
+ mmsgs[i].msg_hdr.msg_controllen = msg_controllen;
+ }
+
off += iov[i].iov_len;
left -= iov[i].iov_len;
i++;
@@ -214,9 +372,12 @@ static void send_udp_segment_cmsg(struct cmsghdr *cm)
static int send_udp_segment(int fd, char *data)
{
- char control[CMSG_SPACE(sizeof(cfg_gso_size))] = {0};
+ char control[CMSG_SPACE(sizeof(cfg_gso_size)) +
+ CMSG_SPACE(sizeof(cfg_tx_ts))] = {0};
struct msghdr msg = {0};
struct iovec iov = {0};
+ size_t msg_controllen;
+ struct cmsghdr *cmsg;
int ret;
iov.iov_base = data;
@@ -227,8 +388,16 @@ static int send_udp_segment(int fd, char *data)
msg.msg_control = control;
msg.msg_controllen = sizeof(control);
- send_udp_segment_cmsg(CMSG_FIRSTHDR(&msg));
+ cmsg = CMSG_FIRSTHDR(&msg);
+ send_udp_segment_cmsg(cmsg);
+ msg_controllen = CMSG_SPACE(sizeof(cfg_mss));
+ if (cfg_tx_tstamp) {
+ cmsg = CMSG_NXTHDR(&msg, cmsg);
+ send_ts_cmsg(cmsg);
+ msg_controllen += CMSG_SPACE(sizeof(cfg_tx_ts));
+ }
+ msg.msg_controllen = msg_controllen;
msg.msg_name = (void *)&cfg_dst_addr;
msg.msg_namelen = cfg_alen;
@@ -243,7 +412,7 @@ static int send_udp_segment(int fd, char *data)
static void usage(const char *filepath)
{
- error(1, 0, "Usage: %s [-46cmtuz] [-C cpu] [-D dst ip] [-l secs] [-m messagenr] [-p port] [-s sendsize] [-S gsosize]",
+ error(1, 0, "Usage: %s [-46acmHPtTuvz] [-C cpu] [-D dst ip] [-l secs] [-M messagenr] [-p port] [-s sendsize] [-S gsosize]",
filepath);
}
@@ -252,7 +421,7 @@ static void parse_opts(int argc, char **argv)
int max_len, hdrlen;
int c;
- while ((c = getopt(argc, argv, "46cC:D:l:mM:p:s:S:tuz")) != -1) {
+ while ((c = getopt(argc, argv, "46acC:D:Hl:mM:p:s:PS:tTuvz")) != -1) {
switch (c) {
case '4':
if (cfg_family != PF_UNSPEC)
@@ -266,6 +435,9 @@ static void parse_opts(int argc, char **argv)
cfg_family = PF_INET6;
cfg_alen = sizeof(struct sockaddr_in6);
break;
+ case 'a':
+ cfg_audit = true;
+ break;
case 'c':
cfg_cache_trash = true;
break;
@@ -287,6 +459,9 @@ static void parse_opts(int argc, char **argv)
case 'p':
cfg_port = strtoul(optarg, NULL, 0);
break;
+ case 'P':
+ cfg_poll = true;
+ break;
case 's':
cfg_payload_len = strtoul(optarg, NULL, 0);
break;
@@ -294,12 +469,22 @@ static void parse_opts(int argc, char **argv)
cfg_gso_size = strtoul(optarg, NULL, 0);
cfg_segment = true;
break;
+ case 'H':
+ cfg_tx_ts = SOF_TIMESTAMPING_TX_HARDWARE;
+ cfg_tx_tstamp = true;
+ break;
case 't':
cfg_tcp = true;
break;
+ case 'T':
+ cfg_tx_tstamp = true;
+ break;
case 'u':
cfg_connected = false;
break;
+ case 'v':
+ cfg_verbose = true;
+ break;
case 'z':
cfg_zerocopy = true;
break;
@@ -315,6 +500,8 @@ static void parse_opts(int argc, char **argv)
error(1, 0, "connectionless tcp makes no sense");
if (cfg_segment && cfg_sendmmsg)
error(1, 0, "cannot combine segment offload and sendmmsg");
+ if (cfg_tx_tstamp && !(cfg_segment || cfg_sendmmsg))
+ error(1, 0, "Options -T and -H require either -S or -m option");
if (cfg_family == PF_INET)
hdrlen = sizeof(struct iphdr) + sizeof(struct udphdr);
@@ -349,11 +536,80 @@ static void set_pmtu_discover(int fd, bool is_ipv4)
error(1, errno, "setsockopt path mtu");
}
+static void set_tx_timestamping(int fd)
+{
+ int val = SOF_TIMESTAMPING_OPT_CMSG | SOF_TIMESTAMPING_OPT_ID |
+ SOF_TIMESTAMPING_OPT_TSONLY;
+
+ if (cfg_tx_ts == SOF_TIMESTAMPING_TX_SOFTWARE)
+ val |= SOF_TIMESTAMPING_SOFTWARE;
+ else
+ val |= SOF_TIMESTAMPING_RAW_HARDWARE;
+
+ if (setsockopt(fd, SOL_SOCKET, SO_TIMESTAMPING, &val, sizeof(val)))
+ error(1, errno, "setsockopt tx timestamping");
+}
+
+static void print_audit_report(unsigned long num_msgs, unsigned long num_sends)
+{
+ unsigned long tdelta;
+
+ tdelta = tend - tstart;
+ if (!tdelta)
+ return;
+
+ fprintf(stderr, "Summary over %lu.%03lu seconds...\n",
+ tdelta / 1000, tdelta % 1000);
+ fprintf(stderr,
+ "sum %s tx: %6lu MB/s %10lu calls (%lu/s) %10lu msgs (%lu/s)\n",
+ cfg_tcp ? "tcp" : "udp",
+ ((num_msgs * cfg_payload_len) >> 10) / tdelta,
+ num_sends, num_sends * 1000 / tdelta,
+ num_msgs, num_msgs * 1000 / tdelta);
+
+ if (cfg_tx_tstamp) {
+ if (stat_tx_ts_errors)
+ error(1, 0,
+ "Expected clean TX Timestamps: %9lu msgs received %6lu errors",
+ stat_tx_ts, stat_tx_ts_errors);
+ if (stat_tx_ts != num_sends)
+ error(1, 0,
+ "Unexpected number of TX Timestamps: %9lu expected %9lu received",
+ num_sends, stat_tx_ts);
+ fprintf(stderr,
+ "Tx Timestamps: %19lu received %17lu errors\n",
+ stat_tx_ts, stat_tx_ts_errors);
+ }
+
+ if (cfg_zerocopy) {
+ if (stat_zcopies != num_sends)
+ error(1, 0, "Unexpected number of Zerocopy completions: %9lu expected %9lu received",
+ num_sends, stat_zcopies);
+ fprintf(stderr,
+ "Zerocopy acks: %19lu\n",
+ stat_zcopies);
+ }
+}
+
+static void print_report(unsigned long num_msgs, unsigned long num_sends)
+{
+ fprintf(stderr,
+ "%s tx: %6lu MB/s %8lu calls/s %6lu msg/s\n",
+ cfg_tcp ? "tcp" : "udp",
+ (num_msgs * cfg_payload_len) >> 20,
+ num_sends, num_msgs);
+
+ if (cfg_audit) {
+ total_num_msgs += num_msgs;
+ total_num_sends += num_sends;
+ }
+}
+
int main(int argc, char **argv)
{
unsigned long num_msgs, num_sends;
unsigned long tnow, treport, tstop;
- int fd, i, val;
+ int fd, i, val, ret;
parse_opts(argc, argv);
@@ -373,8 +629,16 @@ int main(int argc, char **argv)
if (cfg_zerocopy) {
val = 1;
- if (setsockopt(fd, SOL_SOCKET, SO_ZEROCOPY, &val, sizeof(val)))
+
+ ret = setsockopt(fd, SOL_SOCKET, SO_ZEROCOPY,
+ &val, sizeof(val));
+ if (ret) {
+ if (errno == ENOPROTOOPT || errno == ENOTSUPP) {
+ fprintf(stderr, "SO_ZEROCOPY not supported");
+ exit(KSFT_SKIP);
+ }
error(1, errno, "setsockopt zerocopy");
+ }
}
if (cfg_connected &&
@@ -384,8 +648,13 @@ int main(int argc, char **argv)
if (cfg_segment)
set_pmtu_discover(fd, cfg_family == PF_INET);
+ if (cfg_tx_tstamp)
+ set_tx_timestamping(fd);
+
num_msgs = num_sends = 0;
tnow = gettimeofday_ms();
+ tstart = tnow;
+ tend = tnow;
tstop = tnow + cfg_runtime_ms;
treport = tnow + 1000;
@@ -400,19 +669,15 @@ int main(int argc, char **argv)
else
num_sends += send_udp(fd, buf[i]);
num_msgs++;
- if (cfg_zerocopy && ((num_msgs & 0xF) == 0))
- flush_zerocopy(fd);
+ if ((cfg_zerocopy && ((num_msgs & 0xF) == 0)) || cfg_tx_tstamp)
+ flush_errqueue(fd, cfg_poll);
if (cfg_msg_nr && num_msgs >= cfg_msg_nr)
break;
tnow = gettimeofday_ms();
- if (tnow > treport) {
- fprintf(stderr,
- "%s tx: %6lu MB/s %8lu calls/s %6lu msg/s\n",
- cfg_tcp ? "tcp" : "udp",
- (num_msgs * cfg_payload_len) >> 20,
- num_sends, num_msgs);
+ if (tnow >= treport) {
+ print_report(num_msgs, num_sends);
num_msgs = num_sends = 0;
treport = tnow + 1000;
}
@@ -423,8 +688,18 @@ int main(int argc, char **argv)
} while (!interrupted && (cfg_runtime_ms == -1 || tnow < tstop));
+ if (cfg_zerocopy || cfg_tx_tstamp)
+ flush_errqueue(fd, true);
+
if (close(fd))
error(1, errno, "close");
+ if (cfg_audit) {
+ tend = tnow;
+ total_num_msgs += num_msgs;
+ total_num_sends += num_sends;
+ print_audit_report(total_num_msgs, total_num_sends);
+ }
+
return 0;
}
diff --git a/tools/testing/selftests/net/xfrm_policy.sh b/tools/testing/selftests/net/xfrm_policy.sh
index 71d7fdc513c1..5445943bf07f 100755
--- a/tools/testing/selftests/net/xfrm_policy.sh
+++ b/tools/testing/selftests/net/xfrm_policy.sh
@@ -257,6 +257,29 @@ check_exceptions()
return $lret
}
+check_hthresh_repeat()
+{
+ local log=$1
+ i=0
+
+ for i in $(seq 1 10);do
+ ip -net ns1 xfrm policy update src e000:0001::0000 dst ff01::0014:0000:0001 dir in tmpl src :: dst :: proto esp mode tunnel priority 100 action allow || break
+ ip -net ns1 xfrm policy set hthresh6 0 28 || break
+
+ ip -net ns1 xfrm policy update src e000:0001::0000 dst ff01::01 dir in tmpl src :: dst :: proto esp mode tunnel priority 100 action allow || break
+ ip -net ns1 xfrm policy set hthresh6 0 28 || break
+ done
+
+ if [ $i -ne 10 ] ;then
+ echo "FAIL: $log" 1>&2
+ ret=1
+ return 1
+ fi
+
+ echo "PASS: $log"
+ return 0
+}
+
#check for needed privileges
if [ "$(id -u)" -ne 0 ];then
echo "SKIP: Need root privileges"
@@ -404,7 +427,9 @@ for n in ns3 ns4;do
ip -net $n xfrm policy set hthresh4 32 32 hthresh6 128 128
sleep $((RANDOM%5))
done
-check_exceptions "exceptions and block policies after hresh change to normal"
+check_exceptions "exceptions and block policies after htresh change to normal"
+
+check_hthresh_repeat "policies with repeated htresh change"
for i in 1 2 3 4;do ip netns del ns$i;done
diff --git a/tools/testing/selftests/netfilter/Makefile b/tools/testing/selftests/netfilter/Makefile
index c9ff2b47bd1c..4144984ebee5 100644
--- a/tools/testing/selftests/netfilter/Makefile
+++ b/tools/testing/selftests/netfilter/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for netfilter selftests
-TEST_PROGS := nft_trans_stress.sh nft_nat.sh
+TEST_PROGS := nft_trans_stress.sh nft_nat.sh bridge_brouter.sh \
+ conntrack_icmp_related.sh nft_flowtable.sh
include ../lib.mk
diff --git a/tools/testing/selftests/netfilter/bridge_brouter.sh b/tools/testing/selftests/netfilter/bridge_brouter.sh
new file mode 100755
index 000000000000..29f3955b9af7
--- /dev/null
+++ b/tools/testing/selftests/netfilter/bridge_brouter.sh
@@ -0,0 +1,146 @@
+#!/bin/bash
+#
+# This test is for bridge 'brouting', i.e. make some packets being routed
+# rather than getting bridged even though they arrive on interface that is
+# part of a bridge.
+
+# eth0 br0 eth0
+# setup is: ns1 <-> ns0 <-> ns2
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+ret=0
+
+ebtables -V > /dev/null 2>&1
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not run test without ebtables"
+ exit $ksft_skip
+fi
+
+ip -Version > /dev/null 2>&1
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not run test without ip tool"
+ exit $ksft_skip
+fi
+
+ip netns add ns0
+ip netns add ns1
+ip netns add ns2
+
+ip link add veth0 netns ns0 type veth peer name eth0 netns ns1
+if [ $? -ne 0 ]; then
+ echo "SKIP: Can't create veth device"
+ exit $ksft_skip
+fi
+ip link add veth1 netns ns0 type veth peer name eth0 netns ns2
+
+ip -net ns0 link set lo up
+ip -net ns0 link set veth0 up
+ip -net ns0 link set veth1 up
+
+ip -net ns0 link add br0 type bridge
+if [ $? -ne 0 ]; then
+ echo "SKIP: Can't create bridge br0"
+ exit $ksft_skip
+fi
+
+ip -net ns0 link set veth0 master br0
+ip -net ns0 link set veth1 master br0
+ip -net ns0 link set br0 up
+ip -net ns0 addr add 10.0.0.1/24 dev br0
+
+# place both in same subnet, ns1 and ns2 connected via ns0:br0
+for i in 1 2; do
+ ip -net ns$i link set lo up
+ ip -net ns$i link set eth0 up
+ ip -net ns$i addr add 10.0.0.1$i/24 dev eth0
+done
+
+test_ebtables_broute()
+{
+ local cipt
+
+ # redirect is needed so the dstmac is rewritten to the bridge itself,
+ # ip stack won't process OTHERHOST (foreign unicast mac) packets.
+ ip netns exec ns0 ebtables -t broute -A BROUTING -p ipv4 --ip-protocol icmp -j redirect --redirect-target=DROP
+ if [ $? -ne 0 ]; then
+ echo "SKIP: Could not add ebtables broute redirect rule"
+ return $ksft_skip
+ fi
+
+ # ping netns1, expected to not work (ip forwarding is off)
+ ip netns exec ns1 ping -q -c 1 10.0.0.12 > /dev/null 2>&1
+ if [ $? -eq 0 ]; then
+ echo "ERROR: ping works, should have failed" 1>&2
+ return 1
+ fi
+
+ # enable forwarding on both interfaces.
+ # neither needs an ip address, but at least the bridge needs
+ # an ip address in same network segment as ns1 and ns2 (ns0
+ # needs to be able to determine route for to-be-forwarded packet).
+ ip netns exec ns0 sysctl -q net.ipv4.conf.veth0.forwarding=1
+ ip netns exec ns0 sysctl -q net.ipv4.conf.veth1.forwarding=1
+
+ sleep 1
+
+ ip netns exec ns1 ping -q -c 1 10.0.0.12 > /dev/null
+ if [ $? -ne 0 ]; then
+ echo "ERROR: ping did not work, but it should (broute+forward)" 1>&2
+ return 1
+ fi
+
+ echo "PASS: ns1/ns2 connectivity with active broute rule"
+ ip netns exec ns0 ebtables -t broute -F
+
+ # ping netns1, expected to work (frames are bridged)
+ ip netns exec ns1 ping -q -c 1 10.0.0.12 > /dev/null
+ if [ $? -ne 0 ]; then
+ echo "ERROR: ping did not work, but it should (bridged)" 1>&2
+ return 1
+ fi
+
+ ip netns exec ns0 ebtables -t filter -A FORWARD -p ipv4 --ip-protocol icmp -j DROP
+
+ # ping netns1, expected to not work (DROP in bridge forward)
+ ip netns exec ns1 ping -q -c 1 10.0.0.12 > /dev/null 2>&1
+ if [ $? -eq 0 ]; then
+ echo "ERROR: ping works, should have failed (icmp forward drop)" 1>&2
+ return 1
+ fi
+
+ # re-activate brouter
+ ip netns exec ns0 ebtables -t broute -A BROUTING -p ipv4 --ip-protocol icmp -j redirect --redirect-target=DROP
+
+ ip netns exec ns2 ping -q -c 1 10.0.0.11 > /dev/null
+ if [ $? -ne 0 ]; then
+ echo "ERROR: ping did not work, but it should (broute+forward 2)" 1>&2
+ return 1
+ fi
+
+ echo "PASS: ns1/ns2 connectivity with active broute rule and bridge forward drop"
+ return 0
+}
+
+# test basic connectivity
+ip netns exec ns1 ping -c 1 -q 10.0.0.12 > /dev/null
+if [ $? -ne 0 ]; then
+ echo "ERROR: Could not reach ns2 from ns1" 1>&2
+ ret=1
+fi
+
+ip netns exec ns2 ping -c 1 -q 10.0.0.11 > /dev/null
+if [ $? -ne 0 ]; then
+ echo "ERROR: Could not reach ns1 from ns2" 1>&2
+ ret=1
+fi
+
+if [ $ret -eq 0 ];then
+ echo "PASS: netns connectivity: ns1 and ns2 can reach each other"
+fi
+
+test_ebtables_broute
+ret=$?
+for i in 0 1 2; do ip netns del ns$i;done
+
+exit $ret
diff --git a/tools/testing/selftests/netfilter/conntrack_icmp_related.sh b/tools/testing/selftests/netfilter/conntrack_icmp_related.sh
new file mode 100755
index 000000000000..b48e1833bc89
--- /dev/null
+++ b/tools/testing/selftests/netfilter/conntrack_icmp_related.sh
@@ -0,0 +1,283 @@
+#!/bin/bash
+#
+# check that ICMP df-needed/pkttoobig icmp are set are set as related
+# state
+#
+# Setup is:
+#
+# nsclient1 -> nsrouter1 -> nsrouter2 -> nsclient2
+# MTU 1500, except for nsrouter2 <-> nsclient2 link (1280).
+# ping nsclient2 from nsclient1, checking that conntrack did set RELATED
+# 'fragmentation needed' icmp packet.
+#
+# In addition, nsrouter1 will perform IP masquerading, i.e. also
+# check the icmp errors are propagated to the correct host as per
+# nat of "established" icmp-echo "connection".
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+ret=0
+
+nft --version > /dev/null 2>&1
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not run test without nft tool"
+ exit $ksft_skip
+fi
+
+ip -Version > /dev/null 2>&1
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not run test without ip tool"
+ exit $ksft_skip
+fi
+
+cleanup() {
+ for i in 1 2;do ip netns del nsclient$i;done
+ for i in 1 2;do ip netns del nsrouter$i;done
+}
+
+ipv4() {
+ echo -n 192.168.$1.2
+}
+
+ipv6 () {
+ echo -n dead:$1::2
+}
+
+check_counter()
+{
+ ns=$1
+ name=$2
+ expect=$3
+ local lret=0
+
+ cnt=$(ip netns exec $ns nft list counter inet filter "$name" | grep -q "$expect")
+ if [ $? -ne 0 ]; then
+ echo "ERROR: counter $name in $ns has unexpected value (expected $expect)" 1>&2
+ ip netns exec $ns nft list counter inet filter "$name" 1>&2
+ lret=1
+ fi
+
+ return $lret
+}
+
+check_unknown()
+{
+ expect="packets 0 bytes 0"
+ for n in nsclient1 nsclient2 nsrouter1 nsrouter2; do
+ check_counter $n "unknown" "$expect"
+ if [ $? -ne 0 ] ;then
+ return 1
+ fi
+ done
+
+ return 0
+}
+
+for n in nsclient1 nsclient2 nsrouter1 nsrouter2; do
+ ip netns add $n
+ ip -net $n link set lo up
+done
+
+DEV=veth0
+ip link add $DEV netns nsclient1 type veth peer name eth1 netns nsrouter1
+DEV=veth0
+ip link add $DEV netns nsclient2 type veth peer name eth1 netns nsrouter2
+
+DEV=veth0
+ip link add $DEV netns nsrouter1 type veth peer name eth2 netns nsrouter2
+
+DEV=veth0
+for i in 1 2; do
+ ip -net nsclient$i link set $DEV up
+ ip -net nsclient$i addr add $(ipv4 $i)/24 dev $DEV
+ ip -net nsclient$i addr add $(ipv6 $i)/64 dev $DEV
+done
+
+ip -net nsrouter1 link set eth1 up
+ip -net nsrouter1 link set veth0 up
+
+ip -net nsrouter2 link set eth1 up
+ip -net nsrouter2 link set eth2 up
+
+ip -net nsclient1 route add default via 192.168.1.1
+ip -net nsclient1 -6 route add default via dead:1::1
+
+ip -net nsclient2 route add default via 192.168.2.1
+ip -net nsclient2 route add default via dead:2::1
+
+i=3
+ip -net nsrouter1 addr add 192.168.1.1/24 dev eth1
+ip -net nsrouter1 addr add 192.168.3.1/24 dev veth0
+ip -net nsrouter1 addr add dead:1::1/64 dev eth1
+ip -net nsrouter1 addr add dead:3::1/64 dev veth0
+ip -net nsrouter1 route add default via 192.168.3.10
+ip -net nsrouter1 -6 route add default via dead:3::10
+
+ip -net nsrouter2 addr add 192.168.2.1/24 dev eth1
+ip -net nsrouter2 addr add 192.168.3.10/24 dev eth2
+ip -net nsrouter2 addr add dead:2::1/64 dev eth1
+ip -net nsrouter2 addr add dead:3::10/64 dev eth2
+ip -net nsrouter2 route add default via 192.168.3.1
+ip -net nsrouter2 route add default via dead:3::1
+
+sleep 2
+for i in 4 6; do
+ ip netns exec nsrouter1 sysctl -q net.ipv$i.conf.all.forwarding=1
+ ip netns exec nsrouter2 sysctl -q net.ipv$i.conf.all.forwarding=1
+done
+
+for netns in nsrouter1 nsrouter2; do
+ip netns exec $netns nft -f - <<EOF
+table inet filter {
+ counter unknown { }
+ counter related { }
+ chain forward {
+ type filter hook forward priority 0; policy accept;
+ meta l4proto icmpv6 icmpv6 type "packet-too-big" ct state "related" counter name "related" accept
+ meta l4proto icmp icmp type "destination-unreachable" ct state "related" counter name "related" accept
+ meta l4proto { icmp, icmpv6 } ct state new,established accept
+ counter name "unknown" drop
+ }
+}
+EOF
+done
+
+ip netns exec nsclient1 nft -f - <<EOF
+table inet filter {
+ counter unknown { }
+ counter related { }
+ chain input {
+ type filter hook input priority 0; policy accept;
+ meta l4proto { icmp, icmpv6 } ct state established,untracked accept
+
+ meta l4proto { icmp, icmpv6 } ct state "related" counter name "related" accept
+ counter name "unknown" drop
+ }
+}
+EOF
+
+ip netns exec nsclient2 nft -f - <<EOF
+table inet filter {
+ counter unknown { }
+ counter new { }
+ counter established { }
+
+ chain input {
+ type filter hook input priority 0; policy accept;
+ meta l4proto { icmp, icmpv6 } ct state established,untracked accept
+
+ meta l4proto { icmp, icmpv6 } ct state "new" counter name "new" accept
+ meta l4proto { icmp, icmpv6 } ct state "established" counter name "established" accept
+ counter name "unknown" drop
+ }
+ chain output {
+ type filter hook output priority 0; policy accept;
+ meta l4proto { icmp, icmpv6 } ct state established,untracked accept
+
+ meta l4proto { icmp, icmpv6 } ct state "new" counter name "new"
+ meta l4proto { icmp, icmpv6 } ct state "established" counter name "established"
+ counter name "unknown" drop
+ }
+}
+EOF
+
+
+# make sure NAT core rewrites adress of icmp error if nat is used according to
+# conntrack nat information (icmp error will be directed at nsrouter1 address,
+# but it needs to be routed to nsclient1 address).
+ip netns exec nsrouter1 nft -f - <<EOF
+table ip nat {
+ chain postrouting {
+ type nat hook postrouting priority 0; policy accept;
+ ip protocol icmp oifname "veth0" counter masquerade
+ }
+}
+table ip6 nat {
+ chain postrouting {
+ type nat hook postrouting priority 0; policy accept;
+ ip6 nexthdr icmpv6 oifname "veth0" counter masquerade
+ }
+}
+EOF
+
+ip netns exec nsrouter2 ip link set eth1 mtu 1280
+ip netns exec nsclient2 ip link set veth0 mtu 1280
+sleep 1
+
+ip netns exec nsclient1 ping -c 1 -s 1000 -q -M do 192.168.2.2 >/dev/null
+if [ $? -ne 0 ]; then
+ echo "ERROR: netns ip routing/connectivity broken" 1>&2
+ cleanup
+ exit 1
+fi
+ip netns exec nsclient1 ping6 -q -c 1 -s 1000 dead:2::2 >/dev/null
+if [ $? -ne 0 ]; then
+ echo "ERROR: netns ipv6 routing/connectivity broken" 1>&2
+ cleanup
+ exit 1
+fi
+
+check_unknown
+if [ $? -ne 0 ]; then
+ ret=1
+fi
+
+expect="packets 0 bytes 0"
+for netns in nsrouter1 nsrouter2 nsclient1;do
+ check_counter "$netns" "related" "$expect"
+ if [ $? -ne 0 ]; then
+ ret=1
+ fi
+done
+
+expect="packets 2 bytes 2076"
+check_counter nsclient2 "new" "$expect"
+if [ $? -ne 0 ]; then
+ ret=1
+fi
+
+ip netns exec nsclient1 ping -q -c 1 -s 1300 -M do 192.168.2.2 > /dev/null
+if [ $? -eq 0 ]; then
+ echo "ERROR: ping should have failed with PMTU too big error" 1>&2
+ ret=1
+fi
+
+# nsrouter2 should have generated the icmp error, so
+# related counter should be 0 (its in forward).
+expect="packets 0 bytes 0"
+check_counter "nsrouter2" "related" "$expect"
+if [ $? -ne 0 ]; then
+ ret=1
+fi
+
+# but nsrouter1 should have seen it, same for nsclient1.
+expect="packets 1 bytes 576"
+for netns in nsrouter1 nsclient1;do
+ check_counter "$netns" "related" "$expect"
+ if [ $? -ne 0 ]; then
+ ret=1
+ fi
+done
+
+ip netns exec nsclient1 ping6 -c 1 -s 1300 dead:2::2 > /dev/null
+if [ $? -eq 0 ]; then
+ echo "ERROR: ping6 should have failed with PMTU too big error" 1>&2
+ ret=1
+fi
+
+expect="packets 2 bytes 1856"
+for netns in nsrouter1 nsclient1;do
+ check_counter "$netns" "related" "$expect"
+ if [ $? -ne 0 ]; then
+ ret=1
+ fi
+done
+
+if [ $ret -eq 0 ];then
+ echo "PASS: icmp mtu error had RELATED state"
+else
+ echo "ERROR: icmp error RELATED state test has failed"
+fi
+
+cleanup
+exit $ret
diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh b/tools/testing/selftests/netfilter/nft_flowtable.sh
new file mode 100755
index 000000000000..fe52488a6f72
--- /dev/null
+++ b/tools/testing/selftests/netfilter/nft_flowtable.sh
@@ -0,0 +1,324 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# This tests basic flowtable functionality.
+# Creates following topology:
+#
+# Originator (MTU 9000) <-Router1-> MTU 1500 <-Router2-> Responder (MTU 2000)
+# Router1 is the one doing flow offloading, Router2 has no special
+# purpose other than having a link that is smaller than either Originator
+# and responder, i.e. TCPMSS announced values are too large and will still
+# result in fragmentation and/or PMTU discovery.
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+ret=0
+
+ns1in=""
+ns2in=""
+ns1out=""
+ns2out=""
+
+log_netns=$(sysctl -n net.netfilter.nf_log_all_netns)
+
+nft --version > /dev/null 2>&1
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not run test without nft tool"
+ exit $ksft_skip
+fi
+
+ip -Version > /dev/null 2>&1
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not run test without ip tool"
+ exit $ksft_skip
+fi
+
+which nc > /dev/null 2>&1
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not run test without nc (netcat)"
+ exit $ksft_skip
+fi
+
+ip netns add nsr1
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not create net namespace"
+ exit $ksft_skip
+fi
+
+ip netns add ns1
+ip netns add ns2
+
+ip netns add nsr2
+
+cleanup() {
+ for i in 1 2; do
+ ip netns del ns$i
+ ip netns del nsr$i
+ done
+
+ rm -f "$ns1in" "$ns1out"
+ rm -f "$ns2in" "$ns2out"
+
+ [ $log_netns -eq 0 ] && sysctl -q net.netfilter.nf_log_all_netns=$log_netns
+}
+
+trap cleanup EXIT
+
+sysctl -q net.netfilter.nf_log_all_netns=1
+
+ip link add veth0 netns nsr1 type veth peer name eth0 netns ns1
+ip link add veth1 netns nsr1 type veth peer name veth0 netns nsr2
+
+ip link add veth1 netns nsr2 type veth peer name eth0 netns ns2
+
+for dev in lo veth0 veth1; do
+ for i in 1 2; do
+ ip -net nsr$i link set $dev up
+ done
+done
+
+ip -net nsr1 addr add 10.0.1.1/24 dev veth0
+ip -net nsr1 addr add dead:1::1/64 dev veth0
+
+ip -net nsr2 addr add 10.0.2.1/24 dev veth1
+ip -net nsr2 addr add dead:2::1/64 dev veth1
+
+# set different MTUs so we need to push packets coming from ns1 (large MTU)
+# to ns2 (smaller MTU) to stack either to perform fragmentation (ip_no_pmtu_disc=1),
+# or to do PTMU discovery (send ICMP error back to originator).
+# ns2 is going via nsr2 with a smaller mtu, so that TCPMSS announced by both peers
+# is NOT the lowest link mtu.
+
+ip -net nsr1 link set veth0 mtu 9000
+ip -net ns1 link set eth0 mtu 9000
+
+ip -net nsr2 link set veth1 mtu 2000
+ip -net ns2 link set eth0 mtu 2000
+
+# transfer-net between nsr1 and nsr2.
+# these addresses are not used for connections.
+ip -net nsr1 addr add 192.168.10.1/24 dev veth1
+ip -net nsr1 addr add fee1:2::1/64 dev veth1
+
+ip -net nsr2 addr add 192.168.10.2/24 dev veth0
+ip -net nsr2 addr add fee1:2::2/64 dev veth0
+
+for i in 1 2; do
+ ip netns exec nsr$i sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
+ ip netns exec nsr$i sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
+
+ ip -net ns$i link set lo up
+ ip -net ns$i link set eth0 up
+ ip -net ns$i addr add 10.0.$i.99/24 dev eth0
+ ip -net ns$i route add default via 10.0.$i.1
+ ip -net ns$i addr add dead:$i::99/64 dev eth0
+ ip -net ns$i route add default via dead:$i::1
+ ip netns exec ns$i sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null
+
+ # don't set ip DF bit for first two tests
+ ip netns exec ns$i sysctl net.ipv4.ip_no_pmtu_disc=1 > /dev/null
+done
+
+ip -net nsr1 route add default via 192.168.10.2
+ip -net nsr2 route add default via 192.168.10.1
+
+ip netns exec nsr1 nft -f - <<EOF
+table inet filter {
+ flowtable f1 {
+ hook ingress priority 0
+ devices = { veth0, veth1 }
+ }
+
+ chain forward {
+ type filter hook forward priority 0; policy drop;
+
+ # flow offloaded? Tag ct with mark 1, so we can detect when it fails.
+ meta oif "veth1" tcp dport 12345 flow offload @f1 counter
+
+ # use packet size to trigger 'should be offloaded by now'.
+ # otherwise, if 'flow offload' expression never offloads, the
+ # test will pass.
+ tcp dport 12345 meta length gt 200 ct mark set 1 counter
+
+ # this turns off flow offloading internally, so expect packets again
+ tcp flags fin,rst ct mark set 0 accept
+
+ # this allows large packets from responder, we need this as long
+ # as PMTUd is off.
+ # This rule is deleted for the last test, when we expect PMTUd
+ # to kick in and ensure all packets meet mtu requirements.
+ meta length gt 1500 accept comment something-to-grep-for
+
+ # next line blocks connection w.o. working offload.
+ # we only do this for reverse dir, because we expect packets to
+ # enter slow path due to MTU mismatch of veth0 and veth1.
+ tcp sport 12345 ct mark 1 counter log prefix "mark failure " drop
+
+ ct state established,related accept
+
+ # for packets that we can't offload yet, i.e. SYN (any ct that is not confirmed)
+ meta length lt 200 oif "veth1" tcp dport 12345 counter accept
+
+ meta nfproto ipv4 meta l4proto icmp accept
+ meta nfproto ipv6 meta l4proto icmpv6 accept
+ }
+}
+EOF
+
+if [ $? -ne 0 ]; then
+ echo "SKIP: Could not load nft ruleset"
+ exit $ksft_skip
+fi
+
+# test basic connectivity
+ip netns exec ns1 ping -c 1 -q 10.0.2.99 > /dev/null
+if [ $? -ne 0 ];then
+ echo "ERROR: ns1 cannot reach ns2" 1>&2
+ bash
+ exit 1
+fi
+
+ip netns exec ns2 ping -c 1 -q 10.0.1.99 > /dev/null
+if [ $? -ne 0 ];then
+ echo "ERROR: ns2 cannot reach ns1" 1>&2
+ exit 1
+fi
+
+if [ $ret -eq 0 ];then
+ echo "PASS: netns routing/connectivity: ns1 can reach ns2"
+fi
+
+ns1in=$(mktemp)
+ns1out=$(mktemp)
+ns2in=$(mktemp)
+ns2out=$(mktemp)
+
+make_file()
+{
+ name=$1
+ who=$2
+
+ SIZE=$((RANDOM % (1024 * 8)))
+ TSIZE=$((SIZE * 1024))
+
+ dd if=/dev/urandom of="$name" bs=1024 count=$SIZE 2> /dev/null
+
+ SIZE=$((RANDOM % 1024))
+ SIZE=$((SIZE + 128))
+ TSIZE=$((TSIZE + SIZE))
+ dd if=/dev/urandom conf=notrunc of="$name" bs=1 count=$SIZE 2> /dev/null
+}
+
+check_transfer()
+{
+ in=$1
+ out=$2
+ what=$3
+
+ cmp "$in" "$out" > /dev/null 2>&1
+ if [ $? -ne 0 ] ;then
+ echo "FAIL: file mismatch for $what" 1>&2
+ ls -l "$in"
+ ls -l "$out"
+ return 1
+ fi
+
+ return 0
+}
+
+test_tcp_forwarding()
+{
+ local nsa=$1
+ local nsb=$2
+ local lret=0
+
+ ip netns exec $nsb nc -w 5 -l -p 12345 < "$ns2in" > "$ns2out" &
+ lpid=$!
+
+ sleep 1
+ ip netns exec $nsa nc -w 4 10.0.2.99 12345 < "$ns1in" > "$ns1out" &
+ cpid=$!
+
+ sleep 3
+
+ kill $lpid
+ kill $cpid
+ wait
+
+ check_transfer "$ns1in" "$ns2out" "ns1 -> ns2"
+ if [ $? -ne 0 ];then
+ lret=1
+ fi
+
+ check_transfer "$ns2in" "$ns1out" "ns1 <- ns2"
+ if [ $? -ne 0 ];then
+ lret=1
+ fi
+
+ return $lret
+}
+
+make_file "$ns1in" "ns1"
+make_file "$ns2in" "ns2"
+
+# First test:
+# No PMTU discovery, nsr1 is expected to fragment packets from ns1 to ns2 as needed.
+test_tcp_forwarding ns1 ns2
+if [ $? -eq 0 ] ;then
+ echo "PASS: flow offloaded for ns1/ns2"
+else
+ echo "FAIL: flow offload for ns1/ns2:" 1>&2
+ ip netns exec nsr1 nft list ruleset
+ ret=1
+fi
+
+# delete default route, i.e. ns2 won't be able to reach ns1 and
+# will depend on ns1 being masqueraded in nsr1.
+# expect ns1 has nsr1 address.
+ip -net ns2 route del default via 10.0.2.1
+ip -net ns2 route del default via dead:2::1
+ip -net ns2 route add 192.168.10.1 via 10.0.2.1
+
+# Second test:
+# Same, but with NAT enabled.
+ip netns exec nsr1 nft -f - <<EOF
+table ip nat {
+ chain postrouting {
+ type nat hook postrouting priority 0; policy accept;
+ meta oifname "veth1" masquerade
+ }
+}
+EOF
+
+test_tcp_forwarding ns1 ns2
+
+if [ $? -eq 0 ] ;then
+ echo "PASS: flow offloaded for ns1/ns2 with NAT"
+else
+ echo "FAIL: flow offload for ns1/ns2 with NAT" 1>&2
+ ip netns exec nsr1 nft list ruleset
+ ret=1
+fi
+
+# Third test:
+# Same as second test, but with PMTU discovery enabled.
+handle=$(ip netns exec nsr1 nft -a list table inet filter | grep something-to-grep-for | cut -d \# -f 2)
+
+ip netns exec nsr1 nft delete rule inet filter forward $handle
+if [ $? -ne 0 ] ;then
+ echo "FAIL: Could not delete large-packet accept rule"
+ exit 1
+fi
+
+ip netns exec ns1 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
+ip netns exec ns2 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
+
+test_tcp_forwarding ns1 ns2
+if [ $? -eq 0 ] ;then
+ echo "PASS: flow offloaded for ns1/ns2 with NAT and pmtu discovery"
+else
+ echo "FAIL: flow offload for ns1/ns2 with NAT and pmtu discovery" 1>&2
+ ip netns exec nsr1 nft list ruleset
+fi
+
+exit $ret
diff --git a/tools/testing/selftests/netfilter/nft_nat.sh b/tools/testing/selftests/netfilter/nft_nat.sh
index 8ec76681605c..1be55e705780 100755
--- a/tools/testing/selftests/netfilter/nft_nat.sh
+++ b/tools/testing/selftests/netfilter/nft_nat.sh
@@ -6,6 +6,12 @@
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
ret=0
+test_inet_nat=true
+
+cleanup()
+{
+ for i in 0 1 2; do ip netns del ns$i;done
+}
nft --version > /dev/null 2>&1
if [ $? -ne 0 ];then
@@ -20,10 +26,21 @@ if [ $? -ne 0 ];then
fi
ip netns add ns0
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not create net namespace"
+ exit $ksft_skip
+fi
+
+trap cleanup EXIT
+
ip netns add ns1
ip netns add ns2
-ip link add veth0 netns ns0 type veth peer name eth0 netns ns1
+ip link add veth0 netns ns0 type veth peer name eth0 netns ns1 > /dev/null 2>&1
+if [ $? -ne 0 ];then
+ echo "SKIP: No virtual ethernet pair device support in kernel"
+ exit $ksft_skip
+fi
ip link add veth1 netns ns0 type veth peer name eth0 netns ns2
ip -net ns0 link set lo up
@@ -141,17 +158,24 @@ reset_counters()
test_local_dnat6()
{
+ local family=$1
local lret=0
+ local IPF=""
+
+ if [ $family = "inet" ];then
+ IPF="ip6"
+ fi
+
ip netns exec ns0 nft -f - <<EOF
-table ip6 nat {
+table $family nat {
chain output {
type nat hook output priority 0; policy accept;
- ip6 daddr dead:1::99 dnat to dead:2::99
+ ip6 daddr dead:1::99 dnat $IPF to dead:2::99
}
}
EOF
if [ $? -ne 0 ]; then
- echo "SKIP: Could not add add ip6 dnat hook"
+ echo "SKIP: Could not add add $family dnat hook"
return $ksft_skip
fi
@@ -201,7 +225,7 @@ EOF
fi
done
- test $lret -eq 0 && echo "PASS: ipv6 ping to ns1 was NATted to ns2"
+ test $lret -eq 0 && echo "PASS: ipv6 ping to ns1 was $family NATted to ns2"
ip netns exec ns0 nft flush chain ip6 nat output
return $lret
@@ -209,15 +233,32 @@ EOF
test_local_dnat()
{
+ local family=$1
local lret=0
-ip netns exec ns0 nft -f - <<EOF
-table ip nat {
+ local IPF=""
+
+ if [ $family = "inet" ];then
+ IPF="ip"
+ fi
+
+ip netns exec ns0 nft -f - <<EOF 2>/dev/null
+table $family nat {
chain output {
type nat hook output priority 0; policy accept;
- ip daddr 10.0.1.99 dnat to 10.0.2.99
+ ip daddr 10.0.1.99 dnat $IPF to 10.0.2.99
}
}
EOF
+ if [ $? -ne 0 ]; then
+ if [ $family = "inet" ];then
+ echo "SKIP: inet nat tests"
+ test_inet_nat=false
+ return $ksft_skip
+ fi
+ echo "SKIP: Could not add add $family dnat hook"
+ return $ksft_skip
+ fi
+
# ping netns1, expect rewrite to netns2
ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null
if [ $? -ne 0 ]; then
@@ -264,9 +305,9 @@ EOF
fi
done
- test $lret -eq 0 && echo "PASS: ping to ns1 was NATted to ns2"
+ test $lret -eq 0 && echo "PASS: ping to ns1 was $family NATted to ns2"
- ip netns exec ns0 nft flush chain ip nat output
+ ip netns exec ns0 nft flush chain $family nat output
reset_counters
ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null
@@ -313,7 +354,7 @@ EOF
fi
done
- test $lret -eq 0 && echo "PASS: ping to ns1 OK after nat output chain flush"
+ test $lret -eq 0 && echo "PASS: ping to ns1 OK after $family nat output chain flush"
return $lret
}
@@ -321,6 +362,8 @@ EOF
test_masquerade6()
{
+ local family=$1
+ local natflags=$2
local lret=0
ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
@@ -351,23 +394,27 @@ test_masquerade6()
# add masquerading rule
ip netns exec ns0 nft -f - <<EOF
-table ip6 nat {
+table $family nat {
chain postrouting {
type nat hook postrouting priority 0; policy accept;
- meta oif veth0 masquerade
+ meta oif veth0 masquerade $natflags
}
}
EOF
+ if [ $? -ne 0 ]; then
+ echo "SKIP: Could not add add $family masquerade hook"
+ return $ksft_skip
+ fi
+
ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 with active ipv6 masquerading"
+ echo "ERROR: cannot ping ns1 from ns2 with active $family masquerade $natflags"
lret=1
fi
# ns1 should have seen packets from ns0, due to masquerade
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
-
cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
bad_counter ns1 ns0$dir "$expect"
@@ -397,19 +444,27 @@ EOF
fi
done
- ip netns exec ns0 nft flush chain ip6 nat postrouting
+ ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
+ if [ $? -ne 0 ] ; then
+ echo "ERROR: cannot ping ns1 from ns2 with active ipv6 masquerade $natflags (attempt 2)"
+ lret=1
+ fi
+
+ ip netns exec ns0 nft flush chain $family nat postrouting
if [ $? -ne 0 ]; then
- echo "ERROR: Could not flush ip6 nat postrouting" 1>&2
+ echo "ERROR: Could not flush $family nat postrouting" 1>&2
lret=1
fi
- test $lret -eq 0 && echo "PASS: IPv6 masquerade for ns2"
+ test $lret -eq 0 && echo "PASS: $family IPv6 masquerade $natflags for ns2"
return $lret
}
test_masquerade()
{
+ local family=$1
+ local natflags=$2
local lret=0
ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
@@ -417,7 +472,7 @@ test_masquerade()
ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: canot ping ns1 from ns2"
+ echo "ERROR: cannot ping ns1 from ns2 $natflags"
lret=1
fi
@@ -440,16 +495,21 @@ test_masquerade()
# add masquerading rule
ip netns exec ns0 nft -f - <<EOF
-table ip nat {
+table $family nat {
chain postrouting {
type nat hook postrouting priority 0; policy accept;
- meta oif veth0 masquerade
+ meta oif veth0 masquerade $natflags
}
}
EOF
+ if [ $? -ne 0 ]; then
+ echo "SKIP: Could not add add $family masquerade hook"
+ return $ksft_skip
+ fi
+
ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 with active ip masquerading"
+ echo "ERROR: cannot ping ns1 from ns2 with active $family masquerade $natflags"
lret=1
fi
@@ -485,19 +545,26 @@ EOF
fi
done
- ip netns exec ns0 nft flush chain ip nat postrouting
+ ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
+ if [ $? -ne 0 ] ; then
+ echo "ERROR: cannot ping ns1 from ns2 with active ip masquerade $natflags (attempt 2)"
+ lret=1
+ fi
+
+ ip netns exec ns0 nft flush chain $family nat postrouting
if [ $? -ne 0 ]; then
- echo "ERROR: Could not flush nat postrouting" 1>&2
+ echo "ERROR: Could not flush $family nat postrouting" 1>&2
lret=1
fi
- test $lret -eq 0 && echo "PASS: IP masquerade for ns2"
+ test $lret -eq 0 && echo "PASS: $family IP masquerade $natflags for ns2"
return $lret
}
test_redirect6()
{
+ local family=$1
local lret=0
ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
@@ -527,16 +594,21 @@ test_redirect6()
# add redirect rule
ip netns exec ns0 nft -f - <<EOF
-table ip6 nat {
+table $family nat {
chain prerouting {
type nat hook prerouting priority 0; policy accept;
meta iif veth1 meta l4proto icmpv6 ip6 saddr dead:2::99 ip6 daddr dead:1::99 redirect
}
}
EOF
+ if [ $? -ne 0 ]; then
+ echo "SKIP: Could not add add $family redirect hook"
+ return $ksft_skip
+ fi
+
ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 with active ip6 redirect"
+ echo "ERROR: cannot ping ns1 from ns2 via ipv6 with active $family redirect"
lret=1
fi
@@ -560,19 +632,20 @@ EOF
fi
done
- ip netns exec ns0 nft delete table ip6 nat
+ ip netns exec ns0 nft delete table $family nat
if [ $? -ne 0 ]; then
- echo "ERROR: Could not delete ip6 nat table" 1>&2
+ echo "ERROR: Could not delete $family nat table" 1>&2
lret=1
fi
- test $lret -eq 0 && echo "PASS: IPv6 redirection for ns2"
+ test $lret -eq 0 && echo "PASS: $family IPv6 redirection for ns2"
return $lret
}
test_redirect()
{
+ local family=$1
local lret=0
ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
@@ -603,16 +676,21 @@ test_redirect()
# add redirect rule
ip netns exec ns0 nft -f - <<EOF
-table ip nat {
+table $family nat {
chain prerouting {
type nat hook prerouting priority 0; policy accept;
meta iif veth1 ip protocol icmp ip saddr 10.0.2.99 ip daddr 10.0.1.99 redirect
}
}
EOF
+ if [ $? -ne 0 ]; then
+ echo "SKIP: Could not add add $family redirect hook"
+ return $ksft_skip
+ fi
+
ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 with active ip redirect"
+ echo "ERROR: cannot ping ns1 from ns2 with active $family ip redirect"
lret=1
fi
@@ -637,13 +715,13 @@ EOF
fi
done
- ip netns exec ns0 nft delete table ip nat
+ ip netns exec ns0 nft delete table $family nat
if [ $? -ne 0 ]; then
- echo "ERROR: Could not delete nat table" 1>&2
+ echo "ERROR: Could not delete $family nat table" 1>&2
lret=1
fi
- test $lret -eq 0 && echo "PASS: IP redirection for ns2"
+ test $lret -eq 0 && echo "PASS: $family IP redirection for ns2"
return $lret
}
@@ -746,17 +824,26 @@ if [ $ret -eq 0 ];then
fi
reset_counters
-test_local_dnat
-test_local_dnat6
-
+test_local_dnat ip
+test_local_dnat6 ip6
reset_counters
-test_masquerade
-test_masquerade6
+$test_inet_nat && test_local_dnat inet
+$test_inet_nat && test_local_dnat6 inet
+for flags in "" "fully-random"; do
+reset_counters
+test_masquerade ip $flags
+test_masquerade6 ip6 $flags
reset_counters
-test_redirect
-test_redirect6
+$test_inet_nat && test_masquerade inet $flags
+$test_inet_nat && test_masquerade6 inet $flags
+done
-for i in 0 1 2; do ip netns del ns$i;done
+reset_counters
+test_redirect ip
+test_redirect6 ip6
+reset_counters
+$test_inet_nat && test_redirect inet
+$test_inet_nat && test_redirect6 inet
exit $ret
diff --git a/tools/testing/selftests/networking/timestamping/Makefile b/tools/testing/selftests/networking/timestamping/Makefile
index 9050eeea5f5f..1de8bd8ccf5d 100644
--- a/tools/testing/selftests/networking/timestamping/Makefile
+++ b/tools/testing/selftests/networking/timestamping/Makefile
@@ -9,6 +9,3 @@ all: $(TEST_PROGS)
top_srcdir = ../../../../..
KSFT_KHDR_INSTALL := 1
include ../../lib.mk
-
-clean:
- rm -fr $(TEST_GEN_FILES)
diff --git a/tools/testing/selftests/networking/timestamping/rxtimestamp.c b/tools/testing/selftests/networking/timestamping/rxtimestamp.c
index dd4162fc0419..6dee9e636a95 100644
--- a/tools/testing/selftests/networking/timestamping/rxtimestamp.c
+++ b/tools/testing/selftests/networking/timestamping/rxtimestamp.c
@@ -5,6 +5,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include <sys/time.h>
#include <sys/socket.h>
diff --git a/tools/testing/selftests/networking/timestamping/timestamping.c b/tools/testing/selftests/networking/timestamping/timestamping.c
index 5cdfd743447b..aca3491174a1 100644
--- a/tools/testing/selftests/networking/timestamping/timestamping.c
+++ b/tools/testing/selftests/networking/timestamping/timestamping.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This program demonstrates how the various time stamping features in
* the Linux kernel work. It emulates the behavior of a PTP
@@ -14,19 +15,6 @@
*
* Copyright (C) 2009 Intel Corporation.
* Author: Patrick Ohly <patrick.ohly@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
@@ -44,6 +32,7 @@
#include <asm/types.h>
#include <linux/net_tstamp.h>
#include <linux/errqueue.h>
+#include <linux/sockios.h>
#ifndef SO_TIMESTAMPING
# define SO_TIMESTAMPING 37
@@ -54,14 +43,6 @@
# define SO_TIMESTAMPNS 35
#endif
-#ifndef SIOCGSTAMPNS
-# define SIOCGSTAMPNS 0x8907
-#endif
-
-#ifndef SIOCSHWTSTAMP
-# define SIOCSHWTSTAMP 0x89b0
-#endif
-
static void usage(const char *error)
{
if (error)
diff --git a/tools/testing/selftests/networking/timestamping/txtimestamp.c b/tools/testing/selftests/networking/timestamping/txtimestamp.c
index d1bbafb16f47..7e386be47120 100644
--- a/tools/testing/selftests/networking/timestamping/txtimestamp.c
+++ b/tools/testing/selftests/networking/timestamping/txtimestamp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014 Google Inc.
* Author: willemb@google.com (Willem de Bruijn)
@@ -14,20 +15,6 @@
*
* This test requires a dummy TCP server.
* A simple `nc6 [-u] -l -p $DESTPORT` will do
- *
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/nsfs/Makefile b/tools/testing/selftests/nsfs/Makefile
index 9ff7c7f80625..dd9bd50b7b93 100644
--- a/tools/testing/selftests/nsfs/Makefile
+++ b/tools/testing/selftests/nsfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
TEST_GEN_PROGS := owner pidns
CFLAGS := -Wall -Werror
diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh
index 08cbfbbc7029..8a20e03d4cb7 100755
--- a/tools/testing/selftests/ntb/ntb_test.sh
+++ b/tools/testing/selftests/ntb/ntb_test.sh
@@ -1,16 +1,7 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2016 Microsemi. All Rights Reserved.
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it would be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
# Author: Logan Gunthorpe <logang@deltatee.com>
REMOTE_HOST=
diff --git a/tools/testing/selftests/pidfd/.gitignore b/tools/testing/selftests/pidfd/.gitignore
new file mode 100644
index 000000000000..16d84d117bc0
--- /dev/null
+++ b/tools/testing/selftests/pidfd/.gitignore
@@ -0,0 +1,2 @@
+pidfd_open_test
+pidfd_test
diff --git a/tools/testing/selftests/pidfd/Makefile b/tools/testing/selftests/pidfd/Makefile
new file mode 100644
index 000000000000..720b2d884b3c
--- /dev/null
+++ b/tools/testing/selftests/pidfd/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
+CFLAGS += -g -I../../../../usr/include/ -lpthread
+
+TEST_GEN_PROGS := pidfd_test pidfd_open_test
+
+include ../lib.mk
+
diff --git a/tools/testing/selftests/pidfd/pidfd.h b/tools/testing/selftests/pidfd/pidfd.h
new file mode 100644
index 000000000000..8452e910463f
--- /dev/null
+++ b/tools/testing/selftests/pidfd/pidfd.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __PIDFD_H
+#define __PIDFD_H
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <fcntl.h>
+#include <sched.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syscall.h>
+#include <sys/mount.h>
+
+#include "../kselftest.h"
+
+/*
+ * The kernel reserves 300 pids via RESERVED_PIDS in kernel/pid.c
+ * That means, when it wraps around any pid < 300 will be skipped.
+ * So we need to use a pid > 300 in order to test recycling.
+ */
+#define PID_RECYCLE 1000
+
+/*
+ * Define a few custom error codes for the child process to clearly indicate
+ * what is happening. This way we can tell the difference between a system
+ * error, a test error, etc.
+ */
+#define PIDFD_PASS 0
+#define PIDFD_FAIL 1
+#define PIDFD_ERROR 2
+#define PIDFD_SKIP 3
+#define PIDFD_XFAIL 4
+
+int wait_for_pid(pid_t pid)
+{
+ int status, ret;
+
+again:
+ ret = waitpid(pid, &status, 0);
+ if (ret == -1) {
+ if (errno == EINTR)
+ goto again;
+
+ return -1;
+ }
+
+ if (!WIFEXITED(status))
+ return -1;
+
+ return WEXITSTATUS(status);
+}
+
+
+#endif /* __PIDFD_H */
diff --git a/tools/testing/selftests/pidfd/pidfd_open_test.c b/tools/testing/selftests/pidfd/pidfd_open_test.c
new file mode 100644
index 000000000000..0377133dd6dc
--- /dev/null
+++ b/tools/testing/selftests/pidfd/pidfd_open_test.c
@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <sched.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syscall.h>
+#include <sys/mount.h>
+#include <sys/prctl.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "pidfd.h"
+#include "../kselftest.h"
+
+static inline int sys_pidfd_open(pid_t pid, unsigned int flags)
+{
+ return syscall(__NR_pidfd_open, pid, flags);
+}
+
+static int safe_int(const char *numstr, int *converted)
+{
+ char *err = NULL;
+ long sli;
+
+ errno = 0;
+ sli = strtol(numstr, &err, 0);
+ if (errno == ERANGE && (sli == LONG_MAX || sli == LONG_MIN))
+ return -ERANGE;
+
+ if (errno != 0 && sli == 0)
+ return -EINVAL;
+
+ if (err == numstr || *err != '\0')
+ return -EINVAL;
+
+ if (sli > INT_MAX || sli < INT_MIN)
+ return -ERANGE;
+
+ *converted = (int)sli;
+ return 0;
+}
+
+static int char_left_gc(const char *buffer, size_t len)
+{
+ size_t i;
+
+ for (i = 0; i < len; i++) {
+ if (buffer[i] == ' ' ||
+ buffer[i] == '\t')
+ continue;
+
+ return i;
+ }
+
+ return 0;
+}
+
+static int char_right_gc(const char *buffer, size_t len)
+{
+ int i;
+
+ for (i = len - 1; i >= 0; i--) {
+ if (buffer[i] == ' ' ||
+ buffer[i] == '\t' ||
+ buffer[i] == '\n' ||
+ buffer[i] == '\0')
+ continue;
+
+ return i + 1;
+ }
+
+ return 0;
+}
+
+static char *trim_whitespace_in_place(char *buffer)
+{
+ buffer += char_left_gc(buffer, strlen(buffer));
+ buffer[char_right_gc(buffer, strlen(buffer))] = '\0';
+ return buffer;
+}
+
+static pid_t get_pid_from_fdinfo_file(int pidfd, const char *key, size_t keylen)
+{
+ int ret;
+ char path[512];
+ FILE *f;
+ size_t n = 0;
+ pid_t result = -1;
+ char *line = NULL;
+
+ snprintf(path, sizeof(path), "/proc/self/fdinfo/%d", pidfd);
+
+ f = fopen(path, "re");
+ if (!f)
+ return -1;
+
+ while (getline(&line, &n, f) != -1) {
+ char *numstr;
+
+ if (strncmp(line, key, keylen))
+ continue;
+
+ numstr = trim_whitespace_in_place(line + 4);
+ ret = safe_int(numstr, &result);
+ if (ret < 0)
+ goto out;
+
+ break;
+ }
+
+out:
+ free(line);
+ fclose(f);
+ return result;
+}
+
+int main(int argc, char **argv)
+{
+ int pidfd = -1, ret = 1;
+ pid_t pid;
+
+ ksft_set_plan(3);
+
+ pidfd = sys_pidfd_open(-1, 0);
+ if (pidfd >= 0) {
+ ksft_print_msg(
+ "%s - succeeded to open pidfd for invalid pid -1\n",
+ strerror(errno));
+ goto on_error;
+ }
+ ksft_test_result_pass("do not allow invalid pid test: passed\n");
+
+ pidfd = sys_pidfd_open(getpid(), 1);
+ if (pidfd >= 0) {
+ ksft_print_msg(
+ "%s - succeeded to open pidfd with invalid flag value specified\n",
+ strerror(errno));
+ goto on_error;
+ }
+ ksft_test_result_pass("do not allow invalid flag test: passed\n");
+
+ pidfd = sys_pidfd_open(getpid(), 0);
+ if (pidfd < 0) {
+ ksft_print_msg("%s - failed to open pidfd\n", strerror(errno));
+ goto on_error;
+ }
+ ksft_test_result_pass("open a new pidfd test: passed\n");
+
+ pid = get_pid_from_fdinfo_file(pidfd, "Pid:", sizeof("Pid:") - 1);
+ ksft_print_msg("pidfd %d refers to process with pid %d\n", pidfd, pid);
+
+ ret = 0;
+
+on_error:
+ if (pidfd >= 0)
+ close(pidfd);
+
+ return !ret ? ksft_exit_pass() : ksft_exit_fail();
+}
diff --git a/tools/testing/selftests/pidfd/pidfd_test.c b/tools/testing/selftests/pidfd/pidfd_test.c
new file mode 100644
index 000000000000..7eaa8a3de262
--- /dev/null
+++ b/tools/testing/selftests/pidfd/pidfd_test.c
@@ -0,0 +1,554 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <fcntl.h>
+#include <linux/types.h>
+#include <pthread.h>
+#include <sched.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syscall.h>
+#include <sys/epoll.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/wait.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "pidfd.h"
+#include "../kselftest.h"
+
+#ifndef __NR_pidfd_send_signal
+#define __NR_pidfd_send_signal -1
+#endif
+
+#define str(s) _str(s)
+#define _str(s) #s
+#define CHILD_THREAD_MIN_WAIT 3 /* seconds */
+
+#define MAX_EVENTS 5
+
+#ifndef CLONE_PIDFD
+#define CLONE_PIDFD 0x00001000
+#endif
+
+static pid_t pidfd_clone(int flags, int *pidfd, int (*fn)(void *))
+{
+ size_t stack_size = 1024;
+ char *stack[1024] = { 0 };
+
+#ifdef __ia64__
+ return __clone2(fn, stack, stack_size, flags | SIGCHLD, NULL, pidfd);
+#else
+ return clone(fn, stack + stack_size, flags | SIGCHLD, NULL, pidfd);
+#endif
+}
+
+static inline int sys_pidfd_send_signal(int pidfd, int sig, siginfo_t *info,
+ unsigned int flags)
+{
+ return syscall(__NR_pidfd_send_signal, pidfd, sig, info, flags);
+}
+
+static int signal_received;
+
+static void set_signal_received_on_sigusr1(int sig)
+{
+ if (sig == SIGUSR1)
+ signal_received = 1;
+}
+
+/*
+ * Straightforward test to see whether pidfd_send_signal() works is to send
+ * a signal to ourself.
+ */
+static int test_pidfd_send_signal_simple_success(void)
+{
+ int pidfd, ret;
+ const char *test_name = "pidfd_send_signal send SIGUSR1";
+
+ pidfd = open("/proc/self", O_DIRECTORY | O_CLOEXEC);
+ if (pidfd < 0)
+ ksft_exit_fail_msg(
+ "%s test: Failed to open process file descriptor\n",
+ test_name);
+
+ signal(SIGUSR1, set_signal_received_on_sigusr1);
+
+ ret = sys_pidfd_send_signal(pidfd, SIGUSR1, NULL, 0);
+ close(pidfd);
+ if (ret < 0)
+ ksft_exit_fail_msg("%s test: Failed to send signal\n",
+ test_name);
+
+ if (signal_received != 1)
+ ksft_exit_fail_msg("%s test: Failed to receive signal\n",
+ test_name);
+
+ signal_received = 0;
+ ksft_test_result_pass("%s test: Sent signal\n", test_name);
+ return 0;
+}
+
+static int test_pidfd_send_signal_exited_fail(void)
+{
+ int pidfd, ret, saved_errno;
+ char buf[256];
+ pid_t pid;
+ const char *test_name = "pidfd_send_signal signal exited process";
+
+ pid = fork();
+ if (pid < 0)
+ ksft_exit_fail_msg("%s test: Failed to create new process\n",
+ test_name);
+
+ if (pid == 0)
+ _exit(EXIT_SUCCESS);
+
+ snprintf(buf, sizeof(buf), "/proc/%d", pid);
+
+ pidfd = open(buf, O_DIRECTORY | O_CLOEXEC);
+
+ (void)wait_for_pid(pid);
+
+ if (pidfd < 0)
+ ksft_exit_fail_msg(
+ "%s test: Failed to open process file descriptor\n",
+ test_name);
+
+ ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0);
+ saved_errno = errno;
+ close(pidfd);
+ if (ret == 0)
+ ksft_exit_fail_msg(
+ "%s test: Managed to send signal to process even though it should have failed\n",
+ test_name);
+
+ if (saved_errno != ESRCH)
+ ksft_exit_fail_msg(
+ "%s test: Expected to receive ESRCH as errno value but received %d instead\n",
+ test_name, saved_errno);
+
+ ksft_test_result_pass("%s test: Failed to send signal as expected\n",
+ test_name);
+ return 0;
+}
+
+/*
+ * Maximum number of cycles we allow. This is equivalent to PID_MAX_DEFAULT.
+ * If users set a higher limit or we have cycled PIDFD_MAX_DEFAULT number of
+ * times then we skip the test to not go into an infinite loop or block for a
+ * long time.
+ */
+#define PIDFD_MAX_DEFAULT 0x8000
+
+static int test_pidfd_send_signal_recycled_pid_fail(void)
+{
+ int i, ret;
+ pid_t pid1;
+ const char *test_name = "pidfd_send_signal signal recycled pid";
+
+ ret = unshare(CLONE_NEWPID);
+ if (ret < 0)
+ ksft_exit_fail_msg("%s test: Failed to unshare pid namespace\n",
+ test_name);
+
+ ret = unshare(CLONE_NEWNS);
+ if (ret < 0)
+ ksft_exit_fail_msg(
+ "%s test: Failed to unshare mount namespace\n",
+ test_name);
+
+ ret = mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, 0);
+ if (ret < 0)
+ ksft_exit_fail_msg("%s test: Failed to remount / private\n",
+ test_name);
+
+ /* pid 1 in new pid namespace */
+ pid1 = fork();
+ if (pid1 < 0)
+ ksft_exit_fail_msg("%s test: Failed to create new process\n",
+ test_name);
+
+ if (pid1 == 0) {
+ char buf[256];
+ pid_t pid2;
+ int pidfd = -1;
+
+ (void)umount2("/proc", MNT_DETACH);
+ ret = mount("proc", "/proc", "proc", 0, NULL);
+ if (ret < 0)
+ _exit(PIDFD_ERROR);
+
+ /* grab pid PID_RECYCLE */
+ for (i = 0; i <= PIDFD_MAX_DEFAULT; i++) {
+ pid2 = fork();
+ if (pid2 < 0)
+ _exit(PIDFD_ERROR);
+
+ if (pid2 == 0)
+ _exit(PIDFD_PASS);
+
+ if (pid2 == PID_RECYCLE) {
+ snprintf(buf, sizeof(buf), "/proc/%d", pid2);
+ ksft_print_msg("pid to recycle is %d\n", pid2);
+ pidfd = open(buf, O_DIRECTORY | O_CLOEXEC);
+ }
+
+ if (wait_for_pid(pid2))
+ _exit(PIDFD_ERROR);
+
+ if (pid2 >= PID_RECYCLE)
+ break;
+ }
+
+ /*
+ * We want to be as predictable as we can so if we haven't been
+ * able to grab pid PID_RECYCLE skip the test.
+ */
+ if (pid2 != PID_RECYCLE) {
+ /* skip test */
+ close(pidfd);
+ _exit(PIDFD_SKIP);
+ }
+
+ if (pidfd < 0)
+ _exit(PIDFD_ERROR);
+
+ for (i = 0; i <= PIDFD_MAX_DEFAULT; i++) {
+ char c;
+ int pipe_fds[2];
+ pid_t recycled_pid;
+ int child_ret = PIDFD_PASS;
+
+ ret = pipe2(pipe_fds, O_CLOEXEC);
+ if (ret < 0)
+ _exit(PIDFD_ERROR);
+
+ recycled_pid = fork();
+ if (recycled_pid < 0)
+ _exit(PIDFD_ERROR);
+
+ if (recycled_pid == 0) {
+ close(pipe_fds[1]);
+ (void)read(pipe_fds[0], &c, 1);
+ close(pipe_fds[0]);
+
+ _exit(PIDFD_PASS);
+ }
+
+ /*
+ * Stop the child so we can inspect whether we have
+ * recycled pid PID_RECYCLE.
+ */
+ close(pipe_fds[0]);
+ ret = kill(recycled_pid, SIGSTOP);
+ close(pipe_fds[1]);
+ if (ret) {
+ (void)wait_for_pid(recycled_pid);
+ _exit(PIDFD_ERROR);
+ }
+
+ /*
+ * We have recycled the pid. Try to signal it. This
+ * needs to fail since this is a different process than
+ * the one the pidfd refers to.
+ */
+ if (recycled_pid == PID_RECYCLE) {
+ ret = sys_pidfd_send_signal(pidfd, SIGCONT,
+ NULL, 0);
+ if (ret && errno == ESRCH)
+ child_ret = PIDFD_XFAIL;
+ else
+ child_ret = PIDFD_FAIL;
+ }
+
+ /* let the process move on */
+ ret = kill(recycled_pid, SIGCONT);
+ if (ret)
+ (void)kill(recycled_pid, SIGKILL);
+
+ if (wait_for_pid(recycled_pid))
+ _exit(PIDFD_ERROR);
+
+ switch (child_ret) {
+ case PIDFD_FAIL:
+ /* fallthrough */
+ case PIDFD_XFAIL:
+ _exit(child_ret);
+ case PIDFD_PASS:
+ break;
+ default:
+ /* not reached */
+ _exit(PIDFD_ERROR);
+ }
+
+ /*
+ * If the user set a custom pid_max limit we could be
+ * in the millions.
+ * Skip the test in this case.
+ */
+ if (recycled_pid > PIDFD_MAX_DEFAULT)
+ _exit(PIDFD_SKIP);
+ }
+
+ /* failed to recycle pid */
+ _exit(PIDFD_SKIP);
+ }
+
+ ret = wait_for_pid(pid1);
+ switch (ret) {
+ case PIDFD_FAIL:
+ ksft_exit_fail_msg(
+ "%s test: Managed to signal recycled pid %d\n",
+ test_name, PID_RECYCLE);
+ case PIDFD_PASS:
+ ksft_exit_fail_msg("%s test: Failed to recycle pid %d\n",
+ test_name, PID_RECYCLE);
+ case PIDFD_SKIP:
+ ksft_print_msg("%s test: Skipping test\n", test_name);
+ ret = 0;
+ break;
+ case PIDFD_XFAIL:
+ ksft_test_result_pass(
+ "%s test: Failed to signal recycled pid as expected\n",
+ test_name);
+ ret = 0;
+ break;
+ default /* PIDFD_ERROR */:
+ ksft_exit_fail_msg("%s test: Error while running tests\n",
+ test_name);
+ }
+
+ return ret;
+}
+
+static int test_pidfd_send_signal_syscall_support(void)
+{
+ int pidfd, ret;
+ const char *test_name = "pidfd_send_signal check for support";
+
+ pidfd = open("/proc/self", O_DIRECTORY | O_CLOEXEC);
+ if (pidfd < 0)
+ ksft_exit_fail_msg(
+ "%s test: Failed to open process file descriptor\n",
+ test_name);
+
+ ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0);
+ if (ret < 0) {
+ /*
+ * pidfd_send_signal() will currently return ENOSYS when
+ * CONFIG_PROC_FS is not set.
+ */
+ if (errno == ENOSYS)
+ ksft_exit_skip(
+ "%s test: pidfd_send_signal() syscall not supported (Ensure that CONFIG_PROC_FS=y is set)\n",
+ test_name);
+
+ ksft_exit_fail_msg("%s test: Failed to send signal\n",
+ test_name);
+ }
+
+ close(pidfd);
+ ksft_test_result_pass(
+ "%s test: pidfd_send_signal() syscall is supported. Tests can be executed\n",
+ test_name);
+ return 0;
+}
+
+static void *test_pidfd_poll_exec_thread(void *priv)
+{
+ ksft_print_msg("Child Thread: starting. pid %d tid %d ; and sleeping\n",
+ getpid(), syscall(SYS_gettid));
+ ksft_print_msg("Child Thread: doing exec of sleep\n");
+
+ execl("/bin/sleep", "sleep", str(CHILD_THREAD_MIN_WAIT), (char *)NULL);
+
+ ksft_print_msg("Child Thread: DONE. pid %d tid %d\n",
+ getpid(), syscall(SYS_gettid));
+ return NULL;
+}
+
+static void poll_pidfd(const char *test_name, int pidfd)
+{
+ int c;
+ int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
+ struct epoll_event event, events[MAX_EVENTS];
+
+ if (epoll_fd == -1)
+ ksft_exit_fail_msg("%s test: Failed to create epoll file descriptor "
+ "(errno %d)\n",
+ test_name, errno);
+
+ event.events = EPOLLIN;
+ event.data.fd = pidfd;
+
+ if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, pidfd, &event)) {
+ ksft_exit_fail_msg("%s test: Failed to add epoll file descriptor "
+ "(errno %d)\n",
+ test_name, errno);
+ }
+
+ c = epoll_wait(epoll_fd, events, MAX_EVENTS, 5000);
+ if (c != 1 || !(events[0].events & EPOLLIN))
+ ksft_exit_fail_msg("%s test: Unexpected epoll_wait result (c=%d, events=%x) ",
+ "(errno %d)\n",
+ test_name, c, events[0].events, errno);
+
+ close(epoll_fd);
+ return;
+
+}
+
+static int child_poll_exec_test(void *args)
+{
+ pthread_t t1;
+
+ ksft_print_msg("Child (pidfd): starting. pid %d tid %d\n", getpid(),
+ syscall(SYS_gettid));
+ pthread_create(&t1, NULL, test_pidfd_poll_exec_thread, NULL);
+ /*
+ * Exec in the non-leader thread will destroy the leader immediately.
+ * If the wait in the parent returns too soon, the test fails.
+ */
+ while (1)
+ sleep(1);
+}
+
+static void test_pidfd_poll_exec(int use_waitpid)
+{
+ int pid, pidfd = 0;
+ int status, ret;
+ pthread_t t1;
+ time_t prog_start = time(NULL);
+ const char *test_name = "pidfd_poll check for premature notification on child thread exec";
+
+ ksft_print_msg("Parent: pid: %d\n", getpid());
+ pid = pidfd_clone(CLONE_PIDFD, &pidfd, child_poll_exec_test);
+ if (pid < 0)
+ ksft_exit_fail_msg("%s test: pidfd_clone failed (ret %d, errno %d)\n",
+ test_name, pid, errno);
+
+ ksft_print_msg("Parent: Waiting for Child (%d) to complete.\n", pid);
+
+ if (use_waitpid) {
+ ret = waitpid(pid, &status, 0);
+ if (ret == -1)
+ ksft_print_msg("Parent: error\n");
+
+ if (ret == pid)
+ ksft_print_msg("Parent: Child process waited for.\n");
+ } else {
+ poll_pidfd(test_name, pidfd);
+ }
+
+ time_t prog_time = time(NULL) - prog_start;
+
+ ksft_print_msg("Time waited for child: %lu\n", prog_time);
+
+ close(pidfd);
+
+ if (prog_time < CHILD_THREAD_MIN_WAIT || prog_time > CHILD_THREAD_MIN_WAIT + 2)
+ ksft_exit_fail_msg("%s test: Failed\n", test_name);
+ else
+ ksft_test_result_pass("%s test: Passed\n", test_name);
+}
+
+static void *test_pidfd_poll_leader_exit_thread(void *priv)
+{
+ ksft_print_msg("Child Thread: starting. pid %d tid %d ; and sleeping\n",
+ getpid(), syscall(SYS_gettid));
+ sleep(CHILD_THREAD_MIN_WAIT);
+ ksft_print_msg("Child Thread: DONE. pid %d tid %d\n", getpid(), syscall(SYS_gettid));
+ return NULL;
+}
+
+static time_t *child_exit_secs;
+static int child_poll_leader_exit_test(void *args)
+{
+ pthread_t t1, t2;
+
+ ksft_print_msg("Child: starting. pid %d tid %d\n", getpid(), syscall(SYS_gettid));
+ pthread_create(&t1, NULL, test_pidfd_poll_leader_exit_thread, NULL);
+ pthread_create(&t2, NULL, test_pidfd_poll_leader_exit_thread, NULL);
+
+ /*
+ * glibc exit calls exit_group syscall, so explicity call exit only
+ * so that only the group leader exits, leaving the threads alone.
+ */
+ *child_exit_secs = time(NULL);
+ syscall(SYS_exit, 0);
+}
+
+static void test_pidfd_poll_leader_exit(int use_waitpid)
+{
+ int pid, pidfd = 0;
+ int status, ret;
+ time_t prog_start = time(NULL);
+ const char *test_name = "pidfd_poll check for premature notification on non-empty"
+ "group leader exit";
+
+ child_exit_secs = mmap(NULL, sizeof *child_exit_secs, PROT_READ | PROT_WRITE,
+ MAP_SHARED | MAP_ANONYMOUS, -1, 0);
+
+ if (child_exit_secs == MAP_FAILED)
+ ksft_exit_fail_msg("%s test: mmap failed (errno %d)\n",
+ test_name, errno);
+
+ ksft_print_msg("Parent: pid: %d\n", getpid());
+ pid = pidfd_clone(CLONE_PIDFD, &pidfd, child_poll_leader_exit_test);
+ if (pid < 0)
+ ksft_exit_fail_msg("%s test: pidfd_clone failed (ret %d, errno %d)\n",
+ test_name, pid, errno);
+
+ ksft_print_msg("Parent: Waiting for Child (%d) to complete.\n", pid);
+
+ if (use_waitpid) {
+ ret = waitpid(pid, &status, 0);
+ if (ret == -1)
+ ksft_print_msg("Parent: error\n");
+ } else {
+ /*
+ * This sleep tests for the case where if the child exits, and is in
+ * EXIT_ZOMBIE, but the thread group leader is non-empty, then the poll
+ * doesn't prematurely return even though there are active threads
+ */
+ sleep(1);
+ poll_pidfd(test_name, pidfd);
+ }
+
+ if (ret == pid)
+ ksft_print_msg("Parent: Child process waited for.\n");
+
+ time_t since_child_exit = time(NULL) - *child_exit_secs;
+
+ ksft_print_msg("Time since child exit: %lu\n", since_child_exit);
+
+ close(pidfd);
+
+ if (since_child_exit < CHILD_THREAD_MIN_WAIT ||
+ since_child_exit > CHILD_THREAD_MIN_WAIT + 2)
+ ksft_exit_fail_msg("%s test: Failed\n", test_name);
+ else
+ ksft_test_result_pass("%s test: Passed\n", test_name);
+}
+
+int main(int argc, char **argv)
+{
+ ksft_print_header();
+ ksft_set_plan(4);
+
+ test_pidfd_poll_exec(0);
+ test_pidfd_poll_exec(1);
+ test_pidfd_poll_leader_exit(0);
+ test_pidfd_poll_leader_exit(1);
+ test_pidfd_send_signal_syscall_support();
+ test_pidfd_send_signal_simple_success();
+ test_pidfd_send_signal_exited_fail();
+ test_pidfd_send_signal_recycled_pid_fail();
+
+ return ksft_exit_pass();
+}
diff --git a/tools/testing/selftests/powerpc/alignment/Makefile b/tools/testing/selftests/powerpc/alignment/Makefile
index d056486f49de..93e9af37449d 100644
--- a/tools/testing/selftests/powerpc/alignment/Makefile
+++ b/tools/testing/selftests/powerpc/alignment/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
TEST_GEN_PROGS := copy_first_unaligned alignment_handler
top_srcdir = ../../../../..
diff --git a/tools/testing/selftests/powerpc/alignment/alignment_handler.c b/tools/testing/selftests/powerpc/alignment/alignment_handler.c
index 169a8b9719fb..0453c50c949c 100644
--- a/tools/testing/selftests/powerpc/alignment/alignment_handler.c
+++ b/tools/testing/selftests/powerpc/alignment/alignment_handler.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Test the powerpc alignment handler on POWER8/POWER9
*
* Copyright (C) 2017 IBM Corporation (Michael Neuling, Andrew Donnellan)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
/*
diff --git a/tools/testing/selftests/powerpc/alignment/copy_first_unaligned.c b/tools/testing/selftests/powerpc/alignment/copy_first_unaligned.c
index 5a9589987702..db4e8c680500 100644
--- a/tools/testing/selftests/powerpc/alignment/copy_first_unaligned.c
+++ b/tools/testing/selftests/powerpc/alignment/copy_first_unaligned.c
@@ -1,14 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016, Chris Smart, IBM Corporation.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* Calls to copy_first which are not 128-byte aligned should be
* caught and sent a SIGBUS.
- *
*/
#include <signal.h>
diff --git a/tools/testing/selftests/powerpc/benchmarks/context_switch.c b/tools/testing/selftests/powerpc/benchmarks/context_switch.c
index 87f1f0252299..a2e8c9da7fa5 100644
--- a/tools/testing/selftests/powerpc/benchmarks/context_switch.c
+++ b/tools/testing/selftests/powerpc/benchmarks/context_switch.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Context switch microbenchmark.
*
* Copyright (C) 2015 Anton Blanchard <anton@au.ibm.com>, IBM
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/powerpc/benchmarks/futex_bench.c b/tools/testing/selftests/powerpc/benchmarks/futex_bench.c
index d58e4dc50fcd..017057090490 100644
--- a/tools/testing/selftests/powerpc/benchmarks/futex_bench.c
+++ b/tools/testing/selftests/powerpc/benchmarks/futex_bench.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2016, Anton Blanchard, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c b/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c
index 3af3c21e8036..6b415683357b 100644
--- a/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c
+++ b/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015, Anton Blanchard, IBM Corp.
- * Licensed under GPLv2.
*/
#include <sys/time.h>
diff --git a/tools/testing/selftests/powerpc/benchmarks/mmap_bench.c b/tools/testing/selftests/powerpc/benchmarks/mmap_bench.c
index 033de0560d99..2525adf64342 100644
--- a/tools/testing/selftests/powerpc/benchmarks/mmap_bench.c
+++ b/tools/testing/selftests/powerpc/benchmarks/mmap_bench.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2016, Anton Blanchard, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/benchmarks/null_syscall.c b/tools/testing/selftests/powerpc/benchmarks/null_syscall.c
index ecc14d68e101..579f0215c6e7 100644
--- a/tools/testing/selftests/powerpc/benchmarks/null_syscall.c
+++ b/tools/testing/selftests/powerpc/benchmarks/null_syscall.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Test null syscall performance
*
* Copyright (C) 2009-2015 Anton Blanchard, IBM
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define NR_LOOPS 10000000
@@ -25,7 +21,7 @@ unsigned long long clock_frequency;
unsigned long long timebase_frequency;
double timebase_multiplier;
-static inline unsigned long long mftb(void)
+static inline unsigned long mftb(void)
{
unsigned long low;
diff --git a/tools/testing/selftests/powerpc/cache_shape/cache_shape.c b/tools/testing/selftests/powerpc/cache_shape/cache_shape.c
index 29ec07eba7f9..171b6c9480eb 100644
--- a/tools/testing/selftests/powerpc/cache_shape/cache_shape.c
+++ b/tools/testing/selftests/powerpc/cache_shape/cache_shape.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2017, Michael Ellerman, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <elf.h>
diff --git a/tools/testing/selftests/powerpc/copyloops/asm/export.h b/tools/testing/selftests/powerpc/copyloops/asm/export.h
index 0bab35f6777a..05c1663c89b0 100644
--- a/tools/testing/selftests/powerpc/copyloops/asm/export.h
+++ b/tools/testing/selftests/powerpc/copyloops/asm/export.h
@@ -1,2 +1,3 @@
/* SPDX-License-Identifier: GPL-2.0 */
#define EXPORT_SYMBOL(x)
+#define EXPORT_SYMBOL_KASAN(x)
diff --git a/tools/testing/selftests/powerpc/copyloops/asm/kasan.h b/tools/testing/selftests/powerpc/copyloops/asm/kasan.h
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/tools/testing/selftests/powerpc/copyloops/asm/kasan.h
diff --git a/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h b/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h
index 0605df807593..58c1cef3e399 100644
--- a/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h
+++ b/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h
@@ -25,6 +25,7 @@
#define _GLOBAL(A) FUNC_START(test_ ## A)
#define _GLOBAL_TOC(A) _GLOBAL(A)
+#define _GLOBAL_TOC_KASAN(A) _GLOBAL(A)
#define PPC_MTOCRF(A, B) mtocrf A, B
diff --git a/tools/testing/selftests/powerpc/dscr/dscr.h b/tools/testing/selftests/powerpc/dscr/dscr.h
index cdb840bc54f2..13e9b9e28e2c 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr.h
+++ b/tools/testing/selftests/powerpc/dscr/dscr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* POWER Data Stream Control Register (DSCR)
*
@@ -6,10 +7,6 @@
*
* Copyright 2012, Anton Blanchard, IBM Corporation.
* Copyright 2015, Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#ifndef _SELFTESTS_POWERPC_DSCR_DSCR_H
#define _SELFTESTS_POWERPC_DSCR_DSCR_H
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_default_test.c b/tools/testing/selftests/powerpc/dscr/dscr_default_test.c
index 9e1a37e93b63..288a4e2ad156 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr_default_test.c
+++ b/tools/testing/selftests/powerpc/dscr/dscr_default_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* POWER Data Stream Control Register (DSCR) default test
*
@@ -7,10 +8,6 @@
*
* Copyright 2012, Anton Blanchard, IBM Corporation.
* Copyright 2015, Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#include "dscr.h"
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_explicit_test.c b/tools/testing/selftests/powerpc/dscr/dscr_explicit_test.c
index ad9c3ec26048..aefcd8d8759b 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr_explicit_test.c
+++ b/tools/testing/selftests/powerpc/dscr/dscr_explicit_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* POWER Data Stream Control Register (DSCR) explicit test
*
@@ -13,10 +14,6 @@
*
* Copyright 2012, Anton Blanchard, IBM Corporation.
* Copyright 2015, Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#include "dscr.h"
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_inherit_exec_test.c b/tools/testing/selftests/powerpc/dscr/dscr_inherit_exec_test.c
index c8c240accc0c..7c1cb46397c6 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr_inherit_exec_test.c
+++ b/tools/testing/selftests/powerpc/dscr/dscr_inherit_exec_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* POWER Data Stream Control Register (DSCR) fork exec test
*
@@ -12,10 +13,6 @@
*
* Copyright 2012, Anton Blanchard, IBM Corporation.
* Copyright 2015, Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#include "dscr.h"
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c b/tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c
index 3e5a6d195e9a..04297a69ab59 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c
+++ b/tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* POWER Data Stream Control Register (DSCR) fork test
*
@@ -13,10 +14,6 @@
*
* Copyright 2012, Anton Blanchard, IBM Corporation.
* Copyright 2015, Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#include "dscr.h"
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
index 1899bd85121f..02f6b4efde14 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
+++ b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* POWER Data Stream Control Register (DSCR) sysfs interface test
*
@@ -6,10 +7,6 @@
* well verified from their sysfs interfaces.
*
* Copyright 2015, Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#include "dscr.h"
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_thread_test.c b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_thread_test.c
index ad97b592eccc..37be2c25f277 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_thread_test.c
+++ b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_thread_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* POWER Data Stream Control Register (DSCR) sysfs thread test
*
@@ -7,10 +8,6 @@
* executing on individual CPUs on the system.
*
* Copyright 2015, Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#define _GNU_SOURCE
#include "dscr.h"
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_user_test.c b/tools/testing/selftests/powerpc/dscr/dscr_user_test.c
index 77d16b5e7dca..eaf785d11eed 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr_user_test.c
+++ b/tools/testing/selftests/powerpc/dscr/dscr_user_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* POWER Data Stream Control Register (DSCR) SPR test
*
@@ -14,10 +15,6 @@
*
* Copyright 2013, Anton Blanchard, IBM Corporation.
* Copyright 2015, Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#include "dscr.h"
diff --git a/tools/testing/selftests/powerpc/harness.c b/tools/testing/selftests/powerpc/harness.c
index 9d7166dfad1e..0ad4f12b3d43 100644
--- a/tools/testing/selftests/powerpc/harness.c
+++ b/tools/testing/selftests/powerpc/harness.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2013, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <errno.h>
@@ -21,6 +21,7 @@
#define KILL_TIMEOUT 5
+/* Setting timeout to -1 disables the alarm */
static uint64_t timeout = 120;
int run_test(int (test_function)(void), char *name)
@@ -43,8 +44,9 @@ int run_test(int (test_function)(void), char *name)
setpgid(pid, pid);
- /* Wake us up in timeout seconds */
- alarm(timeout);
+ if (timeout != -1)
+ /* Wake us up in timeout seconds */
+ alarm(timeout);
terminated = false;
wait:
diff --git a/tools/testing/selftests/powerpc/include/fpu_asm.h b/tools/testing/selftests/powerpc/include/fpu_asm.h
index 6a387d255e27..58ac2ce33505 100644
--- a/tools/testing/selftests/powerpc/include/fpu_asm.h
+++ b/tools/testing/selftests/powerpc/include/fpu_asm.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2016, Cyril Bur, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#ifndef _SELFTESTS_POWERPC_FPU_ASM_H
diff --git a/tools/testing/selftests/powerpc/include/gpr_asm.h b/tools/testing/selftests/powerpc/include/gpr_asm.h
index f6f38852d3a0..5db74f5c6131 100644
--- a/tools/testing/selftests/powerpc/include/gpr_asm.h
+++ b/tools/testing/selftests/powerpc/include/gpr_asm.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2016, Cyril Bur, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#ifndef _SELFTESTS_POWERPC_GPR_ASM_H
diff --git a/tools/testing/selftests/powerpc/include/reg.h b/tools/testing/selftests/powerpc/include/reg.h
index 52b4710469d2..022c5076b2c5 100644
--- a/tools/testing/selftests/powerpc/include/reg.h
+++ b/tools/testing/selftests/powerpc/include/reg.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#ifndef _SELFTESTS_POWERPC_REG_H
@@ -77,6 +77,16 @@
#define TEXASR_TE 0x0000000004000000
#define TEXASR_ROT 0x0000000002000000
+/* MSR register bits */
+#define MSR_TS_S_LG 33 /* Trans Mem state: Suspended */
+#define MSR_TS_T_LG 34 /* Trans Mem state: Active */
+
+#define __MASK(X) (1UL<<(X))
+
+/* macro to check TM MSR bits */
+#define MSR_TS_S __MASK(MSR_TS_S_LG) /* Transaction Suspended */
+#define MSR_TS_T __MASK(MSR_TS_T_LG) /* Transaction Transactional */
+
/* Vector Instructions */
#define VSX_XX1(xs, ra, rb) (((xs) & 0x1f) << 21 | ((ra) << 16) | \
((rb) << 11) | (((xs) >> 5)))
diff --git a/tools/testing/selftests/powerpc/include/subunit.h b/tools/testing/selftests/powerpc/include/subunit.h
index 9c6c4e901ab6..068d55fdf80f 100644
--- a/tools/testing/selftests/powerpc/include/subunit.h
+++ b/tools/testing/selftests/powerpc/include/subunit.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2013, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#ifndef _SELFTESTS_POWERPC_SUBUNIT_H
diff --git a/tools/testing/selftests/powerpc/include/utils.h b/tools/testing/selftests/powerpc/include/utils.h
index ae43a614835d..0e2b2e6284ac 100644
--- a/tools/testing/selftests/powerpc/include/utils.h
+++ b/tools/testing/selftests/powerpc/include/utils.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2013, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#ifndef _SELFTESTS_POWERPC_UTILS_H
@@ -102,8 +102,10 @@ do { \
#if defined(__powerpc64__)
#define UCONTEXT_NIA(UC) (UC)->uc_mcontext.gp_regs[PT_NIP]
+#define UCONTEXT_MSR(UC) (UC)->uc_mcontext.gp_regs[PT_MSR]
#elif defined(__powerpc__)
#define UCONTEXT_NIA(UC) (UC)->uc_mcontext.uc_regs->gregs[PT_NIP]
+#define UCONTEXT_MSR(UC) (UC)->uc_mcontext.uc_regs->gregs[PT_MSR]
#else
#error implement UCONTEXT_NIA
#endif
diff --git a/tools/testing/selftests/powerpc/include/vmx_asm.h b/tools/testing/selftests/powerpc/include/vmx_asm.h
index 2eaaeca9cf1d..ad9fb1b4069d 100644
--- a/tools/testing/selftests/powerpc/include/vmx_asm.h
+++ b/tools/testing/selftests/powerpc/include/vmx_asm.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2015, Cyril Bur, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "basic_asm.h"
diff --git a/tools/testing/selftests/powerpc/include/vsx_asm.h b/tools/testing/selftests/powerpc/include/vsx_asm.h
index 54064ced9e95..434ca2f9bfae 100644
--- a/tools/testing/selftests/powerpc/include/vsx_asm.h
+++ b/tools/testing/selftests/powerpc/include/vsx_asm.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2015, Cyril Bur, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "basic_asm.h"
diff --git a/tools/testing/selftests/powerpc/lib/reg.S b/tools/testing/selftests/powerpc/lib/reg.S
index 0dc44f0da065..9304ea7d59b9 100644
--- a/tools/testing/selftests/powerpc/lib/reg.S
+++ b/tools/testing/selftests/powerpc/lib/reg.S
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* test helper assembly functions
*
* Copyright (C) 2016 Simon Guo, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <ppc-asm.h>
#include "reg.h"
diff --git a/tools/testing/selftests/powerpc/math/fpu_asm.S b/tools/testing/selftests/powerpc/math/fpu_asm.S
index 8a04bb117b69..9dc0c158f871 100644
--- a/tools/testing/selftests/powerpc/math/fpu_asm.S
+++ b/tools/testing/selftests/powerpc/math/fpu_asm.S
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2015, Cyril Bur, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "basic_asm.h"
diff --git a/tools/testing/selftests/powerpc/math/fpu_preempt.c b/tools/testing/selftests/powerpc/math/fpu_preempt.c
index 0f85b79d883d..5235bdc8c0b1 100644
--- a/tools/testing/selftests/powerpc/math/fpu_preempt.c
+++ b/tools/testing/selftests/powerpc/math/fpu_preempt.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This test attempts to see if the FPU registers change across preemption.
* Two things should be noted here a) The check_fpu function in asm only checks
* the non volatile registers as it is reused from the syscall test b) There is
diff --git a/tools/testing/selftests/powerpc/math/fpu_signal.c b/tools/testing/selftests/powerpc/math/fpu_signal.c
index 888aa51b4204..7b1addd50420 100644
--- a/tools/testing/selftests/powerpc/math/fpu_signal.c
+++ b/tools/testing/selftests/powerpc/math/fpu_signal.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This test attempts to see if the FPU registers are correctly reported in a
* signal context. Each worker just spins checking its FPU registers, at some
* point a signal will interrupt it and C code will check the signal context
diff --git a/tools/testing/selftests/powerpc/math/fpu_syscall.c b/tools/testing/selftests/powerpc/math/fpu_syscall.c
index 949e6721256d..694f225c7e45 100644
--- a/tools/testing/selftests/powerpc/math/fpu_syscall.c
+++ b/tools/testing/selftests/powerpc/math/fpu_syscall.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This test attempts to see if the FPU registers change across a syscall (fork).
*/
diff --git a/tools/testing/selftests/powerpc/math/vmx_asm.S b/tools/testing/selftests/powerpc/math/vmx_asm.S
index cb1e5ae1be99..11b0704c597d 100644
--- a/tools/testing/selftests/powerpc/math/vmx_asm.S
+++ b/tools/testing/selftests/powerpc/math/vmx_asm.S
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2015, Cyril Bur, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "basic_asm.h"
diff --git a/tools/testing/selftests/powerpc/math/vmx_preempt.c b/tools/testing/selftests/powerpc/math/vmx_preempt.c
index 9ef376c55b13..2e059f154e77 100644
--- a/tools/testing/selftests/powerpc/math/vmx_preempt.c
+++ b/tools/testing/selftests/powerpc/math/vmx_preempt.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This test attempts to see if the VMX registers change across preemption.
* Two things should be noted here a) The check_vmx function in asm only checks
* the non volatile registers as it is reused from the syscall test b) There is
diff --git a/tools/testing/selftests/powerpc/math/vmx_signal.c b/tools/testing/selftests/powerpc/math/vmx_signal.c
index 671d7533a557..785a48e0976f 100644
--- a/tools/testing/selftests/powerpc/math/vmx_signal.c
+++ b/tools/testing/selftests/powerpc/math/vmx_signal.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This test attempts to see if the VMX registers are correctly reported in a
* signal context. Each worker just spins checking its VMX registers, at some
* point a signal will interrupt it and C code will check the signal context
diff --git a/tools/testing/selftests/powerpc/math/vmx_syscall.c b/tools/testing/selftests/powerpc/math/vmx_syscall.c
index a017918ee1ca..9ee293cc868e 100644
--- a/tools/testing/selftests/powerpc/math/vmx_syscall.c
+++ b/tools/testing/selftests/powerpc/math/vmx_syscall.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This test attempts to see if the VMX registers change across a syscall (fork).
*/
diff --git a/tools/testing/selftests/powerpc/math/vsx_asm.S b/tools/testing/selftests/powerpc/math/vsx_asm.S
index 8f431f6abc49..ffc165d984cc 100644
--- a/tools/testing/selftests/powerpc/math/vsx_asm.S
+++ b/tools/testing/selftests/powerpc/math/vsx_asm.S
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2015, Cyril Bur, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "basic_asm.h"
diff --git a/tools/testing/selftests/powerpc/math/vsx_preempt.c b/tools/testing/selftests/powerpc/math/vsx_preempt.c
index 6387f03a0a6a..63de9c6e2cd3 100644
--- a/tools/testing/selftests/powerpc/math/vsx_preempt.c
+++ b/tools/testing/selftests/powerpc/math/vsx_preempt.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This test attempts to see if the VSX registers change across preemption.
* There is no way to be sure preemption happened so this test just
* uses many threads and a long wait. As such, a successful test
diff --git a/tools/testing/selftests/powerpc/mm/.gitignore b/tools/testing/selftests/powerpc/mm/.gitignore
index ba919308fe30..7101ffd08d66 100644
--- a/tools/testing/selftests/powerpc/mm/.gitignore
+++ b/tools/testing/selftests/powerpc/mm/.gitignore
@@ -3,4 +3,5 @@ subpage_prot
tempfile
prot_sao
segv_errors
-wild_bctr \ No newline at end of file
+wild_bctr
+large_vm_fork_separation
diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile
index 43d68420e363..f1fbc15800c4 100644
--- a/tools/testing/selftests/powerpc/mm/Makefile
+++ b/tools/testing/selftests/powerpc/mm/Makefile
@@ -2,7 +2,8 @@
noarg:
$(MAKE) -C ../
-TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao segv_errors wild_bctr
+TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao segv_errors wild_bctr \
+ large_vm_fork_separation
TEST_GEN_FILES := tempfile
top_srcdir = ../../../../..
@@ -13,6 +14,7 @@ $(TEST_GEN_PROGS): ../harness.c
$(OUTPUT)/prot_sao: ../utils.c
$(OUTPUT)/wild_bctr: CFLAGS += -m64
+$(OUTPUT)/large_vm_fork_separation: CFLAGS += -m64
$(OUTPUT)/tempfile:
dd if=/dev/zero of=$@ bs=64k count=1
diff --git a/tools/testing/selftests/powerpc/mm/large_vm_fork_separation.c b/tools/testing/selftests/powerpc/mm/large_vm_fork_separation.c
new file mode 100644
index 000000000000..2363a7f3ab0d
--- /dev/null
+++ b/tools/testing/selftests/powerpc/mm/large_vm_fork_separation.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Copyright 2019, Michael Ellerman, IBM Corp.
+//
+// Test that allocating memory beyond the memory limit and then forking is
+// handled correctly, ie. the child is able to access the mappings beyond the
+// memory limit and the child's writes are not visible to the parent.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "utils.h"
+
+
+#ifndef MAP_FIXED_NOREPLACE
+#define MAP_FIXED_NOREPLACE MAP_FIXED // "Should be safe" above 512TB
+#endif
+
+
+static int test(void)
+{
+ int p2c[2], c2p[2], rc, status, c, *p;
+ unsigned long page_size;
+ pid_t pid;
+
+ page_size = sysconf(_SC_PAGESIZE);
+ SKIP_IF(page_size != 65536);
+
+ // Create a mapping at 512TB to allocate an extended_id
+ p = mmap((void *)(512ul << 40), page_size, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED_NOREPLACE, -1, 0);
+ if (p == MAP_FAILED) {
+ perror("mmap");
+ printf("Error: couldn't mmap(), confirm kernel has 4TB support?\n");
+ return 1;
+ }
+
+ printf("parent writing %p = 1\n", p);
+ *p = 1;
+
+ FAIL_IF(pipe(p2c) == -1 || pipe(c2p) == -1);
+
+ pid = fork();
+ if (pid == 0) {
+ FAIL_IF(read(p2c[0], &c, 1) != 1);
+
+ pid = getpid();
+ printf("child writing %p = %d\n", p, pid);
+ *p = pid;
+
+ FAIL_IF(write(c2p[1], &c, 1) != 1);
+ FAIL_IF(read(p2c[0], &c, 1) != 1);
+ exit(0);
+ }
+
+ c = 0;
+ FAIL_IF(write(p2c[1], &c, 1) != 1);
+ FAIL_IF(read(c2p[0], &c, 1) != 1);
+
+ // Prevent compiler optimisation
+ barrier();
+
+ rc = 0;
+ printf("parent reading %p = %d\n", p, *p);
+ if (*p != 1) {
+ printf("Error: BUG! parent saw child's write! *p = %d\n", *p);
+ rc = 1;
+ }
+
+ FAIL_IF(write(p2c[1], &c, 1) != 1);
+ FAIL_IF(waitpid(pid, &status, 0) == -1);
+ FAIL_IF(!WIFEXITED(status) || WEXITSTATUS(status));
+
+ if (rc == 0)
+ printf("success: test completed OK\n");
+
+ return rc;
+}
+
+int main(void)
+{
+ return test_harness(test, "large_vm_fork_separation");
+}
diff --git a/tools/testing/selftests/powerpc/mm/prot_sao.c b/tools/testing/selftests/powerpc/mm/prot_sao.c
index 611530d43fa9..e2eed65b7735 100644
--- a/tools/testing/selftests/powerpc/mm/prot_sao.c
+++ b/tools/testing/selftests/powerpc/mm/prot_sao.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2016, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/count_instructions.c b/tools/testing/selftests/powerpc/pmu/count_instructions.c
index 4622117b24c0..a3984ef1e96a 100644
--- a/tools/testing/selftests/powerpc/pmu/count_instructions.c
+++ b/tools/testing/selftests/powerpc/pmu/count_instructions.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2013, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c b/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c
index 94110b1dcd3d..a2d7b0e3dca9 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdbool.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S b/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S
index c7e4093f1cd3..4866a3a76d22 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S
+++ b/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <ppc-asm.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c b/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c
index ac18cf617dd6..ca9aeb0d8272 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c
index f0632e7fdf29..3cd33eb51e5e 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <signal.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c
index 33e56a2342e5..8466ef9d7de8 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <signal.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c
index 7c57a8d79535..bc893813483e 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c
index ecf5ee3283a3..dcd351d20328 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
index c0faba520b35..94c99c12c0f2 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
index 46681fec549b..dfbc5c3ad52d 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#define _GNU_SOURCE /* For CPU_ZERO etc. */
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb.h b/tools/testing/selftests/powerpc/pmu/ebb/ebb.h
index f87e761f82d0..b5bc2b616075 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb.h
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#ifndef _SELFTESTS_POWERPC_PMU_EBB_EBB_H
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb_handler.S b/tools/testing/selftests/powerpc/pmu/ebb/ebb_handler.S
index 14274ea206e5..c170398de91a 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb_handler.S
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb_handler.S
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <ppc-asm.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c
index 1e7b7fe2396b..8980f054d8d9 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <signal.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c
index a991d2ea8d0a..ca2f7d729155 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <signal.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c
index af20a2b363aa..4d822cb3589c 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <signal.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c b/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c
index 7762ab26e5ac..6e6dd0bce1f9 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/fixed_instruction_loop.S b/tools/testing/selftests/powerpc/pmu/ebb/fixed_instruction_loop.S
index b866a0581d32..08a7b5f133b9 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/fixed_instruction_loop.S
+++ b/tools/testing/selftests/powerpc/pmu/ebb/fixed_instruction_loop.S
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <ppc-asm.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c b/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c
index 167135bd92a8..2b25b55452d9 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <signal.h>
@@ -11,7 +11,6 @@
#include <sys/wait.h>
#include <unistd.h>
#include <setjmp.h>
-#include <signal.h>
#include "ebb.h"
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c b/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c
index 35a3426e341c..eed338b18e11 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c b/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c
index 2ed7ad33f7a3..ac3e6e182614 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <sched.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c b/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c
index 6ff8c8ff27d6..b8242e9d97d2 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c b/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c
index 037cb6154f36..a05c0e18ded6 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdbool.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
index 8341d7778d5e..fc5bf4870d8e 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c b/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c
index c5fa64790c22..153ebc92234f 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <sched.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
index 30e1ac62e8cb..eadad75ed7e6 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c b/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c
index f923228bca22..bd1ace9a055d 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c b/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c
index 1846f4e84635..0aa2aefd36d4 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <signal.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c b/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c
index e3bc6e92a6a5..3e9d95ad9dfe 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <signal.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/trace.c b/tools/testing/selftests/powerpc/pmu/ebb/trace.c
index 251e66ab2aa7..0c59f66a6fb2 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/trace.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/trace.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <errno.h>
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/trace.h b/tools/testing/selftests/powerpc/pmu/ebb/trace.h
index 926458e28c8b..7c0fb5d2bdb1 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/trace.h
+++ b/tools/testing/selftests/powerpc/pmu/ebb/trace.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#ifndef _SELFTESTS_POWERPC_PMU_EBB_TRACE_H
diff --git a/tools/testing/selftests/powerpc/pmu/event.c b/tools/testing/selftests/powerpc/pmu/event.c
index 184b36807d48..48e3a413b15d 100644
--- a/tools/testing/selftests/powerpc/pmu/event.c
+++ b/tools/testing/selftests/powerpc/pmu/event.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2013, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/powerpc/pmu/event.h b/tools/testing/selftests/powerpc/pmu/event.h
index a0ea6b1eef73..302eaab51706 100644
--- a/tools/testing/selftests/powerpc/pmu/event.h
+++ b/tools/testing/selftests/powerpc/pmu/event.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2013, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#ifndef _SELFTESTS_POWERPC_PMU_EVENT_H
diff --git a/tools/testing/selftests/powerpc/pmu/l3_bank_test.c b/tools/testing/selftests/powerpc/pmu/l3_bank_test.c
index 77472f31441e..a96d512a18c4 100644
--- a/tools/testing/selftests/powerpc/pmu/l3_bank_test.c
+++ b/tools/testing/selftests/powerpc/pmu/l3_bank_test.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/powerpc/pmu/lib.c b/tools/testing/selftests/powerpc/pmu/lib.c
index 5bf5dd40822b..88690b97b7b9 100644
--- a/tools/testing/selftests/powerpc/pmu/lib.c
+++ b/tools/testing/selftests/powerpc/pmu/lib.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#define _GNU_SOURCE /* For CPU_ZERO etc. */
diff --git a/tools/testing/selftests/powerpc/pmu/lib.h b/tools/testing/selftests/powerpc/pmu/lib.h
index 0213af4ff332..fa12e7d0b4d3 100644
--- a/tools/testing/selftests/powerpc/pmu/lib.h
+++ b/tools/testing/selftests/powerpc/pmu/lib.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#ifndef __SELFTESTS_POWERPC_PMU_LIB_H
diff --git a/tools/testing/selftests/powerpc/pmu/loop.S b/tools/testing/selftests/powerpc/pmu/loop.S
index 20c1f0876c47..8cc9b5e2c9de 100644
--- a/tools/testing/selftests/powerpc/pmu/loop.S
+++ b/tools/testing/selftests/powerpc/pmu/loop.S
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2013, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#include <ppc-asm.h>
diff --git a/tools/testing/selftests/powerpc/pmu/per_event_excludes.c b/tools/testing/selftests/powerpc/pmu/per_event_excludes.c
index fddbbc9cae2f..2756fe2efdc5 100644
--- a/tools/testing/selftests/powerpc/pmu/per_event_excludes.c
+++ b/tools/testing/selftests/powerpc/pmu/per_event_excludes.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/powerpc/primitives/Makefile b/tools/testing/selftests/powerpc/primitives/Makefile
index ea2b7bd09e36..9b9491a63213 100644
--- a/tools/testing/selftests/powerpc/primitives/Makefile
+++ b/tools/testing/selftests/powerpc/primitives/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS += -I$(CURDIR)
TEST_GEN_PROGS := load_unaligned_zeropad
diff --git a/tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c b/tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c
index ee1e9ca22f0d..1439c8c7ff38 100644
--- a/tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c
+++ b/tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Userspace test harness for load_unaligned_zeropad. Creates two
* pages and uses mprotect to prevent access to the second page and
@@ -8,11 +9,6 @@
* performed while access to the second page is enabled via mprotect.
*
* Copyright (C) 2014 Anton Blanchard <anton@au.ibm.com>, IBM
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <stdlib.h>
diff --git a/tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c b/tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c
index 60df0b5e628a..200337daec42 100644
--- a/tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c
+++ b/tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* perf events self profiling example test case for hw breakpoints.
*
@@ -14,11 +15,6 @@
* http://ozlabs.org/~anton/junkcode/perf_events_example1.c
*
* Copyright (C) 2018 Michael Neuling, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <unistd.h>
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-gpr.c b/tools/testing/selftests/powerpc/ptrace/ptrace-gpr.c
index ca29fafeed5d..17cd480c8780 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-gpr.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-gpr.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test for GPR/FPR registers
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "ptrace-gpr.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-gpr.h b/tools/testing/selftests/powerpc/ptrace/ptrace-gpr.h
index e30fef63824c..c5cd53181e2e 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-gpr.h
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-gpr.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define GPR_1 1
#define GPR_2 2
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tar.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tar.c
index f9b5069db89b..58cb1a860cc9 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tar.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tar.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test for TAR, PPR, DSCR registers
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "ptrace-tar.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tar.h b/tools/testing/selftests/powerpc/ptrace/ptrace-tar.h
index aed0aac716d2..d6a4c0aab73d 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tar.h
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tar.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define TAR_1 10
#define TAR_2 20
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-gpr.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-gpr.c
index a08a91594dbe..82f7bdc2e5e6 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-gpr.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-gpr.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test for GPR/FPR registers in TM context
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "ptrace-gpr.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-gpr.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-gpr.c
index dbdffa2e2c82..ad65be6e8e85 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-gpr.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-gpr.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test for GPR/FPR registers in TM Suspend context
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "ptrace-gpr.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-tar.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-tar.c
index f47174746231..25e23e73c72e 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-tar.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-tar.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test for TAR, PPR, DSCR registers in the TM Suspend context
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "tm.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c
index 18a685bf6a09..f603fe5a445b 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test for VMX/VSX registers in the TM Suspend context
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "tm.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c
index ba04999254e3..068bfed2e606 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test TM SPR registers
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "tm.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-tar.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-tar.c
index f70023b25e6e..e0d37f07bdeb 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-tar.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-tar.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test for TAR, PPR, DSCR registers in the TM context
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "tm.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c
index dfba80058977..8027457b97b7 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test for VMX/VSX registers in the TM context
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "tm.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-vsx.c b/tools/testing/selftests/powerpc/ptrace/ptrace-vsx.c
index 04084ee7d27b..c4fe0e893306 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-vsx.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-vsx.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Ptrace test for VMX/VSX registers
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "ptrace-vsx.h"
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-vsx.h b/tools/testing/selftests/powerpc/ptrace/ptrace-vsx.h
index f4e4b427c9d9..6633485210b6 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-vsx.h
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-vsx.h
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define VEC_MAX 128
#define VSX_MAX 32
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace.h b/tools/testing/selftests/powerpc/ptrace/ptrace.h
index 34201cfa8335..5181ad9b4b6c 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace.h
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Ptrace interface test helper functions
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <inttypes.h>
#include <unistd.h>
diff --git a/tools/testing/selftests/powerpc/scripts/hmi.sh b/tools/testing/selftests/powerpc/scripts/hmi.sh
index 83fb253ae3bd..dcdb392e8427 100755
--- a/tools/testing/selftests/powerpc/scripts/hmi.sh
+++ b/tools/testing/selftests/powerpc/scripts/hmi.sh
@@ -1,15 +1,8 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright 2015, Daniel Axtens, IBM Corporation
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; version 2 of the License.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
# do we have ./getscom, ./putscom?
diff --git a/tools/testing/selftests/powerpc/signal/.gitignore b/tools/testing/selftests/powerpc/signal/.gitignore
index 1b89224a8aab..dca5852a1546 100644
--- a/tools/testing/selftests/powerpc/signal/.gitignore
+++ b/tools/testing/selftests/powerpc/signal/.gitignore
@@ -1,2 +1,3 @@
signal
signal_tm
+sigfuz
diff --git a/tools/testing/selftests/powerpc/signal/Makefile b/tools/testing/selftests/powerpc/signal/Makefile
index 209a958dca12..113838fbbe7f 100644
--- a/tools/testing/selftests/powerpc/signal/Makefile
+++ b/tools/testing/selftests/powerpc/signal/Makefile
@@ -1,8 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
-TEST_GEN_PROGS := signal signal_tm
+TEST_GEN_PROGS := signal signal_tm sigfuz
CFLAGS += -maltivec
$(OUTPUT)/signal_tm: CFLAGS += -mhtm
+$(OUTPUT)/sigfuz: CFLAGS += -pthread -m64
top_srcdir = ../../../../..
include ../../lib.mk
diff --git a/tools/testing/selftests/powerpc/signal/sigfuz.c b/tools/testing/selftests/powerpc/signal/sigfuz.c
new file mode 100644
index 000000000000..dade00c698c2
--- /dev/null
+++ b/tools/testing/selftests/powerpc/signal/sigfuz.c
@@ -0,0 +1,325 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018, Breno Leitao, IBM Corp.
+ * Licensed under GPLv2.
+ *
+ * Sigfuz(tm): A PowerPC TM-aware signal fuzzer.
+ *
+ * This is a new selftest that raises SIGUSR1 signals and handles it in a set
+ * of different ways, trying to create different scenario for testing
+ * purpose.
+ *
+ * This test works raising a signal and calling sigreturn interleaved with
+ * TM operations, as starting, suspending and terminating a transaction. The
+ * test depends on random numbers, and, based on them, it sets different TM
+ * states.
+ *
+ * Other than that, the test fills out the user context struct that is passed
+ * to the sigreturn system call with random data, in order to make sure that
+ * the signal handler syscall can handle different and invalid states
+ * properly.
+ *
+ * This selftest has command line parameters to control what kind of tests the
+ * user wants to run, as for example, if a transaction should be started prior
+ * to signal being raised, or, after the signal being raised and before the
+ * sigreturn. If no parameter is given, the default is enabling all options.
+ *
+ * This test does not check if the user context is being read and set
+ * properly by the kernel. Its purpose, at this time, is basically
+ * guaranteeing that the kernel does not crash on invalid scenarios.
+ */
+
+#include <stdio.h>
+#include <limits.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>
+#include <ucontext.h>
+#include <sys/mman.h>
+#include <pthread.h>
+#include "utils.h"
+
+/* Selftest defaults */
+#define COUNT_MAX 4000 /* Number of interactions */
+#define THREADS 16 /* Number of threads */
+
+/* Arguments options */
+#define ARG_MESS_WITH_TM_AT 0x1
+#define ARG_MESS_WITH_TM_BEFORE 0x2
+#define ARG_MESS_WITH_MSR_AT 0x4
+#define ARG_FOREVER 0x10
+#define ARG_COMPLETE (ARG_MESS_WITH_TM_AT | \
+ ARG_MESS_WITH_TM_BEFORE | \
+ ARG_MESS_WITH_MSR_AT)
+
+static int args;
+static int nthread = THREADS;
+static int count_max = COUNT_MAX;
+
+/* checkpoint context */
+static ucontext_t *tmp_uc;
+
+/* Return true with 1/x probability */
+static int one_in_chance(int x)
+{
+ return rand() % x == 0;
+}
+
+/* Change TM states */
+static void mess_with_tm(void)
+{
+ /* Starts a transaction 33% of the time */
+ if (one_in_chance(3)) {
+ asm ("tbegin. ;"
+ "beq 8 ;");
+
+ /* And suspended half of them */
+ if (one_in_chance(2))
+ asm("tsuspend. ;");
+ }
+
+ /* Call 'tend' in 5% of the runs */
+ if (one_in_chance(20))
+ asm("tend. ;");
+}
+
+/* Signal handler that will be invoked with raise() */
+static void trap_signal_handler(int signo, siginfo_t *si, void *uc)
+{
+ ucontext_t *ucp = uc;
+
+ ucp->uc_link = tmp_uc;
+
+ /*
+ * Set uc_link in three possible ways:
+ * - Setting a single 'int' in the whole chunk
+ * - Cloning ucp into uc_link
+ * - Allocating a new memory chunk
+ */
+ if (one_in_chance(3)) {
+ memset(ucp->uc_link, rand(), sizeof(ucontext_t));
+ } else if (one_in_chance(2)) {
+ memcpy(ucp->uc_link, uc, sizeof(ucontext_t));
+ } else if (one_in_chance(2)) {
+ if (tmp_uc) {
+ free(tmp_uc);
+ tmp_uc = NULL;
+ }
+ tmp_uc = malloc(sizeof(ucontext_t));
+ ucp->uc_link = tmp_uc;
+ /* Trying to cause a major page fault at Kernel level */
+ madvise(ucp->uc_link, sizeof(ucontext_t), MADV_DONTNEED);
+ }
+
+ if (args & ARG_MESS_WITH_MSR_AT) {
+ /* Changing the checkpointed registers */
+ if (one_in_chance(4)) {
+ ucp->uc_link->uc_mcontext.gp_regs[PT_MSR] |= MSR_TS_S;
+ } else {
+ if (one_in_chance(2)) {
+ ucp->uc_link->uc_mcontext.gp_regs[PT_MSR] |=
+ MSR_TS_T;
+ } else if (one_in_chance(2)) {
+ ucp->uc_link->uc_mcontext.gp_regs[PT_MSR] |=
+ MSR_TS_T | MSR_TS_S;
+ }
+ }
+
+ /* Checking the current register context */
+ if (one_in_chance(2)) {
+ ucp->uc_mcontext.gp_regs[PT_MSR] |= MSR_TS_S;
+ } else if (one_in_chance(2)) {
+ if (one_in_chance(2))
+ ucp->uc_mcontext.gp_regs[PT_MSR] |=
+ MSR_TS_T;
+ else if (one_in_chance(2))
+ ucp->uc_mcontext.gp_regs[PT_MSR] |=
+ MSR_TS_T | MSR_TS_S;
+ }
+ }
+
+ if (one_in_chance(20)) {
+ /* Nested transaction start */
+ if (one_in_chance(5))
+ mess_with_tm();
+
+ /* Return without changing any other context info */
+ return;
+ }
+
+ if (one_in_chance(10))
+ ucp->uc_mcontext.gp_regs[PT_MSR] = random();
+ if (one_in_chance(10))
+ ucp->uc_mcontext.gp_regs[PT_NIP] = random();
+ if (one_in_chance(10))
+ ucp->uc_link->uc_mcontext.gp_regs[PT_MSR] = random();
+ if (one_in_chance(10))
+ ucp->uc_link->uc_mcontext.gp_regs[PT_NIP] = random();
+
+ ucp->uc_mcontext.gp_regs[PT_TRAP] = random();
+ ucp->uc_mcontext.gp_regs[PT_DSISR] = random();
+ ucp->uc_mcontext.gp_regs[PT_DAR] = random();
+ ucp->uc_mcontext.gp_regs[PT_ORIG_R3] = random();
+ ucp->uc_mcontext.gp_regs[PT_XER] = random();
+ ucp->uc_mcontext.gp_regs[PT_RESULT] = random();
+ ucp->uc_mcontext.gp_regs[PT_SOFTE] = random();
+ ucp->uc_mcontext.gp_regs[PT_DSCR] = random();
+ ucp->uc_mcontext.gp_regs[PT_CTR] = random();
+ ucp->uc_mcontext.gp_regs[PT_LNK] = random();
+ ucp->uc_mcontext.gp_regs[PT_CCR] = random();
+ ucp->uc_mcontext.gp_regs[PT_REGS_COUNT] = random();
+
+ ucp->uc_link->uc_mcontext.gp_regs[PT_TRAP] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_DSISR] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_DAR] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_ORIG_R3] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_XER] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_RESULT] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_SOFTE] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_DSCR] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_CTR] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_LNK] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_CCR] = random();
+ ucp->uc_link->uc_mcontext.gp_regs[PT_REGS_COUNT] = random();
+
+ if (args & ARG_MESS_WITH_TM_BEFORE) {
+ if (one_in_chance(2))
+ mess_with_tm();
+ }
+}
+
+static void seg_signal_handler(int signo, siginfo_t *si, void *uc)
+{
+ /* Clear exit for process that segfaults */
+ exit(0);
+}
+
+static void *sigfuz_test(void *thrid)
+{
+ struct sigaction trap_sa, seg_sa;
+ int ret, i = 0;
+ pid_t t;
+
+ tmp_uc = malloc(sizeof(ucontext_t));
+
+ /* Main signal handler */
+ trap_sa.sa_flags = SA_SIGINFO;
+ trap_sa.sa_sigaction = trap_signal_handler;
+
+ /* SIGSEGV signal handler */
+ seg_sa.sa_flags = SA_SIGINFO;
+ seg_sa.sa_sigaction = seg_signal_handler;
+
+ /* The signal handler will enable MSR_TS */
+ sigaction(SIGUSR1, &trap_sa, NULL);
+
+ /* If it does not crash, it will segfault, avoid it to retest */
+ sigaction(SIGSEGV, &seg_sa, NULL);
+
+ while (i < count_max) {
+ t = fork();
+
+ if (t == 0) {
+ /* Once seed per process */
+ srand(time(NULL) + getpid());
+ if (args & ARG_MESS_WITH_TM_AT) {
+ if (one_in_chance(2))
+ mess_with_tm();
+ }
+ raise(SIGUSR1);
+ exit(0);
+ } else {
+ waitpid(t, &ret, 0);
+ }
+ if (!(args & ARG_FOREVER))
+ i++;
+ }
+
+ /* If not freed already, free now */
+ if (tmp_uc) {
+ free(tmp_uc);
+ tmp_uc = NULL;
+ }
+
+ return NULL;
+}
+
+static int signal_fuzzer(void)
+{
+ int t, rc;
+ pthread_t *threads;
+
+ threads = malloc(nthread * sizeof(pthread_t));
+
+ for (t = 0; t < nthread; t++) {
+ rc = pthread_create(&threads[t], NULL, sigfuz_test,
+ (void *)&t);
+ if (rc)
+ perror("Thread creation error\n");
+ }
+
+ for (t = 0; t < nthread; t++) {
+ rc = pthread_join(threads[t], NULL);
+ if (rc)
+ perror("Thread join error\n");
+ }
+
+ free(threads);
+
+ return EXIT_SUCCESS;
+}
+
+static void show_help(char *name)
+{
+ printf("%s: Sigfuzzer for powerpc\n", name);
+ printf("Usage:\n");
+ printf("\t-b\t Mess with TM before raising a SIGUSR1 signal\n");
+ printf("\t-a\t Mess with TM after raising a SIGUSR1 signal\n");
+ printf("\t-m\t Mess with MSR[TS] bits at mcontext\n");
+ printf("\t-x\t Mess with everything above\n");
+ printf("\t-f\t Run forever (Press ^C to Quit)\n");
+ printf("\t-i\t Amount of interactions. (Default = %d)\n", COUNT_MAX);
+ printf("\t-t\t Amount of threads. (Default = %d)\n", THREADS);
+ exit(-1);
+}
+
+int main(int argc, char **argv)
+{
+ int opt;
+
+ while ((opt = getopt(argc, argv, "bamxt:fi:h")) != -1) {
+ if (opt == 'b') {
+ printf("Mess with TM before signal\n");
+ args |= ARG_MESS_WITH_TM_BEFORE;
+ } else if (opt == 'a') {
+ printf("Mess with TM at signal handler\n");
+ args |= ARG_MESS_WITH_TM_AT;
+ } else if (opt == 'm') {
+ printf("Mess with MSR[TS] bits in mcontext\n");
+ args |= ARG_MESS_WITH_MSR_AT;
+ } else if (opt == 'x') {
+ printf("Running with all options enabled\n");
+ args |= ARG_COMPLETE;
+ } else if (opt == 't') {
+ nthread = atoi(optarg);
+ printf("Threads = %d\n", nthread);
+ } else if (opt == 'f') {
+ args |= ARG_FOREVER;
+ printf("Press ^C to stop\n");
+ test_harness_set_timeout(-1);
+ } else if (opt == 'i') {
+ count_max = atoi(optarg);
+ printf("Running for %d interactions\n", count_max);
+ } else if (opt == 'h') {
+ show_help(argv[0]);
+ }
+ }
+
+ /* Default test suite */
+ if (!args)
+ args = ARG_COMPLETE;
+
+ test_harness(signal_fuzzer, "signal_fuzzer");
+}
diff --git a/tools/testing/selftests/powerpc/signal/signal.S b/tools/testing/selftests/powerpc/signal/signal.S
index 322f2f1fc327..228fba49935d 100644
--- a/tools/testing/selftests/powerpc/signal/signal.S
+++ b/tools/testing/selftests/powerpc/signal/signal.S
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2015, Cyril Bur, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "basic_asm.h"
diff --git a/tools/testing/selftests/powerpc/signal/signal.c b/tools/testing/selftests/powerpc/signal/signal.c
index e7dedd28b3c2..766e484d984b 100644
--- a/tools/testing/selftests/powerpc/signal/signal.c
+++ b/tools/testing/selftests/powerpc/signal/signal.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* Sending one self a signal should always get delivered.
*/
diff --git a/tools/testing/selftests/powerpc/signal/signal_tm.c b/tools/testing/selftests/powerpc/signal/signal_tm.c
index 2e7451a37cc6..5bf2224ef7f2 100644
--- a/tools/testing/selftests/powerpc/signal/signal_tm.c
+++ b/tools/testing/selftests/powerpc/signal/signal_tm.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* Sending one self a signal should always get delivered.
*/
diff --git a/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h b/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h
index 9de413c0c2cb..3edd1a1d9128 100644
--- a/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h
+++ b/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2009 Freescale Semiconductor, Inc.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* provides masks and opcode images for use by code generation, emulation
* and for instructions that older assemblers might not know about
*/
diff --git a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
index d2c0a911f55e..2b488b78c4f2 100644
--- a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
+++ b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PPC_ASM_H
-#define __PPC_ASM_H
+#define _PPC_ASM_H
#include <ppc-asm.h>
#ifndef r1
diff --git a/tools/testing/selftests/powerpc/syscalls/Makefile b/tools/testing/selftests/powerpc/syscalls/Makefile
index 161b8846336f..01b22775ca87 100644
--- a/tools/testing/selftests/powerpc/syscalls/Makefile
+++ b/tools/testing/selftests/powerpc/syscalls/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
TEST_GEN_PROGS := ipc_unmuxed
CFLAGS += -I../../../../../usr/include
diff --git a/tools/testing/selftests/powerpc/syscalls/ipc_unmuxed.c b/tools/testing/selftests/powerpc/syscalls/ipc_unmuxed.c
index 2ac02706f8c8..4c582524aeb3 100644
--- a/tools/testing/selftests/powerpc/syscalls/ipc_unmuxed.c
+++ b/tools/testing/selftests/powerpc/syscalls/ipc_unmuxed.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015, Michael Ellerman, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This test simply tests that certain syscalls are implemented. It doesn't
* actually exercise their logic in any way.
*/
diff --git a/tools/testing/selftests/powerpc/tm/.gitignore b/tools/testing/selftests/powerpc/tm/.gitignore
index 208452a93e2c..951fe855f7cd 100644
--- a/tools/testing/selftests/powerpc/tm/.gitignore
+++ b/tools/testing/selftests/powerpc/tm/.gitignore
@@ -11,6 +11,7 @@ tm-signal-context-chk-fpu
tm-signal-context-chk-gpr
tm-signal-context-chk-vmx
tm-signal-context-chk-vsx
+tm-signal-context-force-tm
tm-signal-sigreturn-nt
tm-vmx-unavail
tm-unavailable
diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile
index 75a685359129..c0734ed0ef56 100644
--- a/tools/testing/selftests/powerpc/tm/Makefile
+++ b/tools/testing/selftests/powerpc/tm/Makefile
@@ -4,7 +4,8 @@ SIGNAL_CONTEXT_CHK_TESTS := tm-signal-context-chk-gpr tm-signal-context-chk-fpu
TEST_GEN_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv tm-signal-stack \
tm-vmxcopy tm-fork tm-tar tm-tmspr tm-vmx-unavail tm-unavailable tm-trap \
- $(SIGNAL_CONTEXT_CHK_TESTS) tm-sigreturn tm-signal-sigreturn-nt
+ $(SIGNAL_CONTEXT_CHK_TESTS) tm-sigreturn tm-signal-sigreturn-nt \
+ tm-signal-context-force-tm
top_srcdir = ../../../../..
include ../../lib.mk
@@ -20,6 +21,7 @@ $(OUTPUT)/tm-vmx-unavail: CFLAGS += -pthread -m64
$(OUTPUT)/tm-resched-dscr: ../pmu/lib.c
$(OUTPUT)/tm-unavailable: CFLAGS += -O0 -pthread -m64 -Wno-error=uninitialized -mvsx
$(OUTPUT)/tm-trap: CFLAGS += -O0 -pthread -m64
+$(OUTPUT)/tm-signal-context-force-tm: CFLAGS += -pthread -m64
SIGNAL_CONTEXT_CHK_TESTS := $(patsubst %,$(OUTPUT)/%,$(SIGNAL_CONTEXT_CHK_TESTS))
$(SIGNAL_CONTEXT_CHK_TESTS): tm-signal.S
diff --git a/tools/testing/selftests/powerpc/tm/tm-exec.c b/tools/testing/selftests/powerpc/tm/tm-exec.c
index 3d27fa0ece04..260cfdb97d23 100644
--- a/tools/testing/selftests/powerpc/tm/tm-exec.c
+++ b/tools/testing/selftests/powerpc/tm/tm-exec.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* Syscalls can be performed provided the transactions are suspended.
* The exec() class of syscall is unique as a new process is loaded.
*
diff --git a/tools/testing/selftests/powerpc/tm/tm-fork.c b/tools/testing/selftests/powerpc/tm/tm-fork.c
index 8d48579b7778..6efa5a685a77 100644
--- a/tools/testing/selftests/powerpc/tm/tm-fork.c
+++ b/tools/testing/selftests/powerpc/tm/tm-fork.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015, Michael Neuling, IBM Corp.
- * Licensed under GPLv2.
*
* Edited: Rashmica Gupta, Nov 2015
*
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-fpu.c b/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-fpu.c
index c760debbd5ad..d57c2d2ab6ec 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-fpu.c
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-fpu.c
@@ -1,12 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- *
* Test the kernel's signal frame code.
*
* The kernel sets up two sets of ucontexts if the signal was to be
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-gpr.c b/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-gpr.c
index df91330a08ef..4d05f8b0254c 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-gpr.c
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-gpr.c
@@ -1,12 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- *
* Test the kernel's signal frame code.
*
* The kernel sets up two sets of ucontexts if the signal was to be
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vmx.c b/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vmx.c
index f0ee55fd5185..48ad01499b1a 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vmx.c
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vmx.c
@@ -1,12 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- *
* Test the kernel's signal frame code.
*
* The kernel sets up two sets of ucontexts if the signal was to be
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vsx.c b/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vsx.c
index b99c3d835957..8c8677a408bb 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vsx.c
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-context-chk-vsx.c
@@ -1,12 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016, Cyril Bur, IBM Corp.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- *
* Test the kernel's signal frame code.
*
* The kernel sets up two sets of ucontexts if the signal was to be
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-context-force-tm.c b/tools/testing/selftests/powerpc/tm/tm-signal-context-force-tm.c
new file mode 100644
index 000000000000..31717625f318
--- /dev/null
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-context-force-tm.c
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018, Breno Leitao, Gustavo Romero, IBM Corp.
+ *
+ * This test raises a SIGUSR1 signal, and toggle the MSR[TS]
+ * fields at the signal handler. With MSR[TS] being set, the kernel will
+ * force a recheckpoint, which may cause a segfault when returning to
+ * user space. Since the test needs to re-run, the segfault needs to be
+ * caught and handled.
+ *
+ * In order to continue the test even after a segfault, the context is
+ * saved prior to the signal being raised, and it is restored when there is
+ * a segmentation fault. This happens for COUNT_MAX times.
+ *
+ * This test never fails (as returning EXIT_FAILURE). It either succeeds,
+ * or crash the kernel (on a buggy kernel).
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>
+#include <ucontext.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include "tm.h"
+#include "utils.h"
+#include "reg.h"
+
+#define COUNT_MAX 5000 /* Number of interactions */
+
+/*
+ * This test only runs on 64 bits system. Unsetting MSR_TS_S to avoid
+ * compilation issue on 32 bits system. There is no side effect, since the
+ * whole test will be skipped if it is not running on 64 bits system.
+ */
+#ifndef __powerpc64__
+#undef MSR_TS_S
+#define MSR_TS_S 0
+#endif
+
+/* Setting contexts because the test will crash and we want to recover */
+ucontext_t init_context, main_context;
+
+static int count, first_time;
+
+void usr_signal_handler(int signo, siginfo_t *si, void *uc)
+{
+ ucontext_t *ucp = uc;
+ int ret;
+
+ /*
+ * Allocating memory in a signal handler, and never freeing it on
+ * purpose, forcing the heap increase, so, the memory leak is what
+ * we want here.
+ */
+ ucp->uc_link = mmap(NULL, sizeof(ucontext_t),
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
+ if (ucp->uc_link == (void *)-1) {
+ perror("Mmap failed");
+ exit(-1);
+ }
+
+ /* Forcing the page to be allocated in a page fault */
+ ret = madvise(ucp->uc_link, sizeof(ucontext_t), MADV_DONTNEED);
+ if (ret) {
+ perror("madvise failed");
+ exit(-1);
+ }
+
+ memcpy(&ucp->uc_link->uc_mcontext, &ucp->uc_mcontext,
+ sizeof(ucp->uc_mcontext));
+
+ /* Forcing to enable MSR[TM] */
+ UCONTEXT_MSR(ucp) |= MSR_TS_S;
+
+ /*
+ * A fork inside a signal handler seems to be more efficient than a
+ * fork() prior to the signal being raised.
+ */
+ if (fork() == 0) {
+ /*
+ * Both child and parent will return, but, child returns
+ * with count set so it will exit in the next segfault.
+ * Parent will continue to loop.
+ */
+ count = COUNT_MAX;
+ }
+
+ /*
+ * If the change above does not hit the bug, it will cause a
+ * segmentation fault, since the ck structures are NULL.
+ */
+}
+
+void seg_signal_handler(int signo, siginfo_t *si, void *uc)
+{
+ if (count == COUNT_MAX) {
+ /* Return to tm_signal_force_msr() and exit */
+ setcontext(&main_context);
+ }
+
+ count++;
+
+ /* Reexecute the test */
+ setcontext(&init_context);
+}
+
+void tm_trap_test(void)
+{
+ struct sigaction usr_sa, seg_sa;
+ stack_t ss;
+
+ usr_sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
+ usr_sa.sa_sigaction = usr_signal_handler;
+
+ seg_sa.sa_flags = SA_SIGINFO;
+ seg_sa.sa_sigaction = seg_signal_handler;
+
+ /*
+ * Set initial context. Will get back here from
+ * seg_signal_handler()
+ */
+ getcontext(&init_context);
+
+ /* Allocated an alternative signal stack area */
+ ss.ss_sp = mmap(NULL, SIGSTKSZ, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
+ ss.ss_size = SIGSTKSZ;
+ ss.ss_flags = 0;
+
+ if (ss.ss_sp == (void *)-1) {
+ perror("mmap error\n");
+ exit(-1);
+ }
+
+ /* Force the allocation through a page fault */
+ if (madvise(ss.ss_sp, SIGSTKSZ, MADV_DONTNEED)) {
+ perror("madvise\n");
+ exit(-1);
+ }
+
+ /* Setting an alternative stack to generate a page fault when
+ * the signal is raised.
+ */
+ if (sigaltstack(&ss, NULL)) {
+ perror("sigaltstack\n");
+ exit(-1);
+ }
+
+ /* The signal handler will enable MSR_TS */
+ sigaction(SIGUSR1, &usr_sa, NULL);
+ /* If it does not crash, it will segfault, avoid it to retest */
+ sigaction(SIGSEGV, &seg_sa, NULL);
+
+ raise(SIGUSR1);
+}
+
+int tm_signal_context_force_tm(void)
+{
+ SKIP_IF(!have_htm());
+ /*
+ * Skipping if not running on 64 bits system, since I think it is
+ * not possible to set mcontext's [MSR] with TS, due to it being 32
+ * bits.
+ */
+ SKIP_IF(!is_ppc64le());
+
+ /* Will get back here after COUNT_MAX interactions */
+ getcontext(&main_context);
+
+ if (!first_time++)
+ tm_trap_test();
+
+ return EXIT_SUCCESS;
+}
+
+int main(int argc, char **argv)
+{
+ test_harness(tm_signal_context_force_tm, "tm_signal_context_force_tm");
+}
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c b/tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c
index 8c54d18b3e9a..4a61e9bd12b4 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015, Michael Neuling, IBM Corp.
- * Licensed under GPLv2.
*
* Test the kernel's signal return code to ensure that it doesn't
* crash when both the transactional and suspend MSR bits are set in
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-stack.c b/tools/testing/selftests/powerpc/tm/tm-signal-stack.c
index 1f0eb567438d..cdcf8c5bbbc7 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal-stack.c
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-stack.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015, Michael Neuling, IBM Corp.
- * Licensed under GPLv2.
*
* Test the kernel's signal delievery code to ensure that we don't
* trelaim twice in the kernel signal delivery code. This can happen
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal.S b/tools/testing/selftests/powerpc/tm/tm-signal.S
index 506a4ebaf3ae..c80c9136601b 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal.S
+++ b/tools/testing/selftests/powerpc/tm/tm-signal.S
@@ -1,10 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2015, Cyril Bur, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include "basic_asm.h"
diff --git a/tools/testing/selftests/powerpc/tm/tm-syscall.c b/tools/testing/selftests/powerpc/tm/tm-syscall.c
index 454b965a2db3..becb8207b432 100644
--- a/tools/testing/selftests/powerpc/tm/tm-syscall.c
+++ b/tools/testing/selftests/powerpc/tm/tm-syscall.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015, Sam Bobroff, IBM Corp.
- * Licensed under GPLv2.
*
* Test the kernel's system call code to ensure that a system call
* made from within an active HTM transaction is aborted with the
diff --git a/tools/testing/selftests/powerpc/tm/tm-tar.c b/tools/testing/selftests/powerpc/tm/tm-tar.c
index f31fe5a28ddb..03be8c47292b 100644
--- a/tools/testing/selftests/powerpc/tm/tm-tar.c
+++ b/tools/testing/selftests/powerpc/tm/tm-tar.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015, Michael Neuling, IBM Corp.
- * Licensed under GPLv2.
* Original: Michael Neuling 19/7/2013
* Edited: Rashmica Gupta 01/12/2015
*
diff --git a/tools/testing/selftests/powerpc/tm/tm-tmspr.c b/tools/testing/selftests/powerpc/tm/tm-tmspr.c
index df1d7d4b1c89..17becf3dcee4 100644
--- a/tools/testing/selftests/powerpc/tm/tm-tmspr.c
+++ b/tools/testing/selftests/powerpc/tm/tm-tmspr.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015, Michael Neuling, IBM Corp.
- * Licensed under GPLv2.
*
* Original: Michael Neuling 3/4/2014
* Modified: Rashmica Gupta 8/12/2015
@@ -21,7 +21,6 @@
* (a) begin transaction
* (b) abort transaction
* (c) check TEXASR to see if FS has been corrupted
- *
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/powerpc/tm/tm-trap.c b/tools/testing/selftests/powerpc/tm/tm-trap.c
index 179d592f0073..601f0c1d450d 100644
--- a/tools/testing/selftests/powerpc/tm/tm-trap.c
+++ b/tools/testing/selftests/powerpc/tm/tm-trap.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2017, Gustavo Romero, IBM Corp.
- * Licensed under GPLv2.
*
* Check if thread endianness is flipped inadvertently to BE on trap
* caught in TM whilst MSR.FP and MSR.VEC are zero (i.e. just after
diff --git a/tools/testing/selftests/powerpc/tm/tm-unavailable.c b/tools/testing/selftests/powerpc/tm/tm-unavailable.c
index 09894f4ff62e..2ca2fccb0a3e 100644
--- a/tools/testing/selftests/powerpc/tm/tm-unavailable.c
+++ b/tools/testing/selftests/powerpc/tm/tm-unavailable.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2017, Gustavo Romero, Breno Leitao, Cyril Bur, IBM Corp.
- * Licensed under GPLv2.
*
* Force FP, VEC and VSX unavailable exception during transaction in all
* possible scenarios regarding the MSR.FP and MSR.VEC state, e.g. when FP
diff --git a/tools/testing/selftests/powerpc/tm/tm-vmx-unavail.c b/tools/testing/selftests/powerpc/tm/tm-vmx-unavail.c
index 137185ba4937..e2a0c07e8362 100644
--- a/tools/testing/selftests/powerpc/tm/tm-vmx-unavail.c
+++ b/tools/testing/selftests/powerpc/tm/tm-vmx-unavail.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2017, Michael Neuling, IBM Corp.
- * Licensed under GPLv2.
* Original: Breno Leitao <brenohl@br.ibm.com> &
* Gustavo Bueno Romero <gromero@br.ibm.com>
* Edited: Michael Neuling
diff --git a/tools/testing/selftests/powerpc/tm/tm-vmxcopy.c b/tools/testing/selftests/powerpc/tm/tm-vmxcopy.c
index fe52811584ae..c1e788a6df47 100644
--- a/tools/testing/selftests/powerpc/tm/tm-vmxcopy.c
+++ b/tools/testing/selftests/powerpc/tm/tm-vmxcopy.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015, Michael Neuling, IBM Corp.
- * Licensed under GPLv2.
*
* Original: Michael Neuling 4/12/2013
* Edited: Rashmica Gupta 4/12/2015
@@ -79,7 +79,7 @@ int test_vmxcopy()
"5:;"
"stxvd2x 40,0,%[vecoutptr];"
- : [res]"=r"(aborted)
+ : [res]"=&r"(aborted)
: [vecinptr]"r"(&vecin),
[vecoutptr]"r"(&vecout),
[map]"r"(a)
diff --git a/tools/testing/selftests/powerpc/tm/tm.h b/tools/testing/selftests/powerpc/tm/tm.h
index 5518b1d4ef8b..97f9f491c541 100644
--- a/tools/testing/selftests/powerpc/tm/tm.h
+++ b/tools/testing/selftests/powerpc/tm/tm.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2015, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#ifndef _SELFTESTS_POWERPC_TM_TM_H
diff --git a/tools/testing/selftests/powerpc/utils.c b/tools/testing/selftests/powerpc/utils.c
index ed62f4153d3e..c02d24835db4 100644
--- a/tools/testing/selftests/powerpc/utils.c
+++ b/tools/testing/selftests/powerpc/utils.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2013-2015, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
*/
#define _GNU_SOURCE /* For CPU_ZERO etc. */
diff --git a/tools/testing/selftests/powerpc/vphn/Makefile b/tools/testing/selftests/powerpc/vphn/Makefile
index fb82068c9fda..cf65cbf33085 100644
--- a/tools/testing/selftests/powerpc/vphn/Makefile
+++ b/tools/testing/selftests/powerpc/vphn/Makefile
@@ -1,6 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
TEST_GEN_PROGS := test-vphn
-CFLAGS += -m64
+CFLAGS += -m64 -I$(CURDIR)
top_srcdir = ../../../../..
include ../../lib.mk
diff --git a/tools/testing/selftests/powerpc/vphn/asm/lppaca.h b/tools/testing/selftests/powerpc/vphn/asm/lppaca.h
new file mode 120000
index 000000000000..942b1d00999c
--- /dev/null
+++ b/tools/testing/selftests/powerpc/vphn/asm/lppaca.h
@@ -0,0 +1 @@
+../../../../../../arch/powerpc/include/asm/lppaca.h \ No newline at end of file
diff --git a/tools/testing/selftests/powerpc/vphn/vphn.c b/tools/testing/selftests/powerpc/vphn/vphn.c
index 186b906e66d5..5b5fbddccabd 120000
--- a/tools/testing/selftests/powerpc/vphn/vphn.c
+++ b/tools/testing/selftests/powerpc/vphn/vphn.c
@@ -1 +1 @@
-../../../../../arch/powerpc/mm/vphn.c \ No newline at end of file
+../../../../../arch/powerpc/platforms/pseries/vphn.c \ No newline at end of file
diff --git a/tools/testing/selftests/powerpc/vphn/vphn.h b/tools/testing/selftests/powerpc/vphn/vphn.h
deleted file mode 120000
index 7131efe38c65..000000000000
--- a/tools/testing/selftests/powerpc/vphn/vphn.h
+++ /dev/null
@@ -1 +0,0 @@
-../../../../../arch/powerpc/mm/vphn.h \ No newline at end of file
diff --git a/tools/testing/selftests/proc/.gitignore b/tools/testing/selftests/proc/.gitignore
index 29bac5ef9a93..66fab4c58ed4 100644
--- a/tools/testing/selftests/proc/.gitignore
+++ b/tools/testing/selftests/proc/.gitignore
@@ -2,6 +2,7 @@
/fd-002-posix-eq
/fd-003-kthread
/proc-loadavg-001
+/proc-pid-vm
/proc-self-map-files-001
/proc-self-map-files-002
/proc-self-syscall
@@ -11,4 +12,5 @@
/read
/self
/setns-dcache
+/setns-sysvipc
/thread-self
diff --git a/tools/testing/selftests/proc/Makefile b/tools/testing/selftests/proc/Makefile
index 434d033ee067..a8ed0f684829 100644
--- a/tools/testing/selftests/proc/Makefile
+++ b/tools/testing/selftests/proc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS += -Wall -O2 -Wno-unused-function
CFLAGS += -D_GNU_SOURCE
@@ -6,6 +7,7 @@ TEST_GEN_PROGS += fd-001-lookup
TEST_GEN_PROGS += fd-002-posix-eq
TEST_GEN_PROGS += fd-003-kthread
TEST_GEN_PROGS += proc-loadavg-001
+TEST_GEN_PROGS += proc-pid-vm
TEST_GEN_PROGS += proc-self-map-files-001
TEST_GEN_PROGS += proc-self-map-files-002
TEST_GEN_PROGS += proc-self-syscall
@@ -15,6 +17,7 @@ TEST_GEN_PROGS += proc-uptime-002
TEST_GEN_PROGS += read
TEST_GEN_PROGS += self
TEST_GEN_PROGS += setns-dcache
+TEST_GEN_PROGS += setns-sysvipc
TEST_GEN_PROGS += thread-self
include ../lib.mk
diff --git a/tools/testing/selftests/proc/proc-loadavg-001.c b/tools/testing/selftests/proc/proc-loadavg-001.c
index fcff7047000d..471e2aa28077 100644
--- a/tools/testing/selftests/proc/proc-loadavg-001.c
+++ b/tools/testing/selftests/proc/proc-loadavg-001.c
@@ -30,7 +30,7 @@ int main(void)
if (unshare(CLONE_NEWPID) == -1) {
if (errno == ENOSYS || errno == EPERM)
- return 2;
+ return 4;
return 1;
}
diff --git a/tools/testing/selftests/proc/proc-pid-vm.c b/tools/testing/selftests/proc/proc-pid-vm.c
new file mode 100644
index 000000000000..18a3bde8bc96
--- /dev/null
+++ b/tools/testing/selftests/proc/proc-pid-vm.c
@@ -0,0 +1,462 @@
+/*
+ * Copyright (c) 2019 Alexey Dobriyan <adobriyan@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+/*
+ * Fork and exec tiny 1 page executable which precisely controls its VM.
+ * Test /proc/$PID/maps
+ * Test /proc/$PID/smaps
+ * Test /proc/$PID/smaps_rollup
+ * Test /proc/$PID/statm
+ *
+ * FIXME require CONFIG_TMPFS which can be disabled
+ * FIXME test other values from "smaps"
+ * FIXME support other archs
+ */
+#undef NDEBUG
+#include <assert.h>
+#include <errno.h>
+#include <sched.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/mount.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/uio.h>
+#include <linux/kdev_t.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+static inline long sys_execveat(int dirfd, const char *pathname, char **argv, char **envp, int flags)
+{
+ return syscall(SYS_execveat, dirfd, pathname, argv, envp, flags);
+}
+
+static void make_private_tmp(void)
+{
+ if (unshare(CLONE_NEWNS) == -1) {
+ if (errno == ENOSYS || errno == EPERM) {
+ exit(4);
+ }
+ exit(1);
+ }
+ if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) == -1) {
+ exit(1);
+ }
+ if (mount(NULL, "/tmp", "tmpfs", 0, NULL) == -1) {
+ exit(1);
+ }
+}
+
+static pid_t pid = -1;
+static void ate(void)
+{
+ if (pid > 0) {
+ kill(pid, SIGTERM);
+ }
+}
+
+struct elf64_hdr {
+ uint8_t e_ident[16];
+ uint16_t e_type;
+ uint16_t e_machine;
+ uint32_t e_version;
+ uint64_t e_entry;
+ uint64_t e_phoff;
+ uint64_t e_shoff;
+ uint32_t e_flags;
+ uint16_t e_ehsize;
+ uint16_t e_phentsize;
+ uint16_t e_phnum;
+ uint16_t e_shentsize;
+ uint16_t e_shnum;
+ uint16_t e_shstrndx;
+};
+
+struct elf64_phdr {
+ uint32_t p_type;
+ uint32_t p_flags;
+ uint64_t p_offset;
+ uint64_t p_vaddr;
+ uint64_t p_paddr;
+ uint64_t p_filesz;
+ uint64_t p_memsz;
+ uint64_t p_align;
+};
+
+#ifdef __x86_64__
+#define PAGE_SIZE 4096
+#define VADDR (1UL << 32)
+#define MAPS_OFFSET 73
+
+#define syscall 0x0f, 0x05
+#define mov_rdi(x) \
+ 0x48, 0xbf, \
+ (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff, \
+ ((x)>>32)&0xff, ((x)>>40)&0xff, ((x)>>48)&0xff, ((x)>>56)&0xff
+
+#define mov_rsi(x) \
+ 0x48, 0xbe, \
+ (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff, \
+ ((x)>>32)&0xff, ((x)>>40)&0xff, ((x)>>48)&0xff, ((x)>>56)&0xff
+
+#define mov_eax(x) \
+ 0xb8, (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff
+
+static const uint8_t payload[] = {
+ /* Casually unmap stack, vDSO and everything else. */
+ /* munmap */
+ mov_rdi(VADDR + 4096),
+ mov_rsi((1ULL << 47) - 4096 - VADDR - 4096),
+ mov_eax(11),
+ syscall,
+
+ /* Ping parent. */
+ /* write(0, &c, 1); */
+ 0x31, 0xff, /* xor edi, edi */
+ 0x48, 0x8d, 0x35, 0x00, 0x00, 0x00, 0x00, /* lea rsi, [rip] */
+ 0xba, 0x01, 0x00, 0x00, 0x00, /* mov edx, 1 */
+ mov_eax(1),
+ syscall,
+
+ /* 1: pause(); */
+ mov_eax(34),
+ syscall,
+
+ 0xeb, 0xf7, /* jmp 1b */
+};
+
+static int make_exe(const uint8_t *payload, size_t len)
+{
+ struct elf64_hdr h;
+ struct elf64_phdr ph;
+
+ struct iovec iov[3] = {
+ {&h, sizeof(struct elf64_hdr)},
+ {&ph, sizeof(struct elf64_phdr)},
+ {(void *)payload, len},
+ };
+ int fd, fd1;
+ char buf[64];
+
+ memset(&h, 0, sizeof(h));
+ h.e_ident[0] = 0x7f;
+ h.e_ident[1] = 'E';
+ h.e_ident[2] = 'L';
+ h.e_ident[3] = 'F';
+ h.e_ident[4] = 2;
+ h.e_ident[5] = 1;
+ h.e_ident[6] = 1;
+ h.e_ident[7] = 0;
+ h.e_type = 2;
+ h.e_machine = 0x3e;
+ h.e_version = 1;
+ h.e_entry = VADDR + sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr);
+ h.e_phoff = sizeof(struct elf64_hdr);
+ h.e_shoff = 0;
+ h.e_flags = 0;
+ h.e_ehsize = sizeof(struct elf64_hdr);
+ h.e_phentsize = sizeof(struct elf64_phdr);
+ h.e_phnum = 1;
+ h.e_shentsize = 0;
+ h.e_shnum = 0;
+ h.e_shstrndx = 0;
+
+ memset(&ph, 0, sizeof(ph));
+ ph.p_type = 1;
+ ph.p_flags = (1<<2)|1;
+ ph.p_offset = 0;
+ ph.p_vaddr = VADDR;
+ ph.p_paddr = 0;
+ ph.p_filesz = sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr) + len;
+ ph.p_memsz = sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr) + len;
+ ph.p_align = 4096;
+
+ fd = openat(AT_FDCWD, "/tmp", O_WRONLY|O_EXCL|O_TMPFILE, 0700);
+ if (fd == -1) {
+ exit(1);
+ }
+
+ if (writev(fd, iov, 3) != sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr) + len) {
+ exit(1);
+ }
+
+ /* Avoid ETXTBSY on exec. */
+ snprintf(buf, sizeof(buf), "/proc/self/fd/%u", fd);
+ fd1 = open(buf, O_RDONLY|O_CLOEXEC);
+ close(fd);
+
+ return fd1;
+}
+#endif
+
+static bool g_vsyscall = false;
+
+static const char str_vsyscall[] =
+"ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]\n";
+
+#ifdef __x86_64__
+static void sigaction_SIGSEGV(int _, siginfo_t *__, void *___)
+{
+ _exit(1);
+}
+
+/*
+ * vsyscall page can't be unmapped, probe it with memory load.
+ */
+static void vsyscall(void)
+{
+ pid_t pid;
+ int wstatus;
+
+ pid = fork();
+ if (pid < 0) {
+ fprintf(stderr, "fork, errno %d\n", errno);
+ exit(1);
+ }
+ if (pid == 0) {
+ struct rlimit rlim = {0, 0};
+ (void)setrlimit(RLIMIT_CORE, &rlim);
+
+ /* Hide "segfault at ffffffffff600000" messages. */
+ struct sigaction act;
+ memset(&act, 0, sizeof(struct sigaction));
+ act.sa_flags = SA_SIGINFO;
+ act.sa_sigaction = sigaction_SIGSEGV;
+ (void)sigaction(SIGSEGV, &act, NULL);
+
+ *(volatile int *)0xffffffffff600000UL;
+ exit(0);
+ }
+ waitpid(pid, &wstatus, 0);
+ if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) == 0) {
+ g_vsyscall = true;
+ }
+}
+
+int main(void)
+{
+ int pipefd[2];
+ int exec_fd;
+
+ vsyscall();
+
+ atexit(ate);
+
+ make_private_tmp();
+
+ /* Reserve fd 0 for 1-byte pipe ping from child. */
+ close(0);
+ if (open("/", O_RDONLY|O_DIRECTORY|O_PATH) != 0) {
+ return 1;
+ }
+
+ exec_fd = make_exe(payload, sizeof(payload));
+
+ if (pipe(pipefd) == -1) {
+ return 1;
+ }
+ if (dup2(pipefd[1], 0) != 0) {
+ return 1;
+ }
+
+ pid = fork();
+ if (pid == -1) {
+ return 1;
+ }
+ if (pid == 0) {
+ sys_execveat(exec_fd, "", NULL, NULL, AT_EMPTY_PATH);
+ return 1;
+ }
+
+ char _;
+ if (read(pipefd[0], &_, 1) != 1) {
+ return 1;
+ }
+
+ struct stat st;
+ if (fstat(exec_fd, &st) == -1) {
+ return 1;
+ }
+
+ /* Generate "head -n1 /proc/$PID/maps" */
+ char buf0[256];
+ memset(buf0, ' ', sizeof(buf0));
+ int len = snprintf(buf0, sizeof(buf0),
+ "%08lx-%08lx r-xp 00000000 %02lx:%02lx %llu",
+ VADDR, VADDR + PAGE_SIZE,
+ MAJOR(st.st_dev), MINOR(st.st_dev),
+ (unsigned long long)st.st_ino);
+ buf0[len] = ' ';
+ snprintf(buf0 + MAPS_OFFSET, sizeof(buf0) - MAPS_OFFSET,
+ "/tmp/#%llu (deleted)\n", (unsigned long long)st.st_ino);
+
+ /* Test /proc/$PID/maps */
+ {
+ const size_t len = strlen(buf0) + (g_vsyscall ? strlen(str_vsyscall) : 0);
+ char buf[256];
+ ssize_t rv;
+ int fd;
+
+ snprintf(buf, sizeof(buf), "/proc/%u/maps", pid);
+ fd = open(buf, O_RDONLY);
+ if (fd == -1) {
+ return 1;
+ }
+ rv = read(fd, buf, sizeof(buf));
+ assert(rv == len);
+ assert(memcmp(buf, buf0, strlen(buf0)) == 0);
+ if (g_vsyscall) {
+ assert(memcmp(buf + strlen(buf0), str_vsyscall, strlen(str_vsyscall)) == 0);
+ }
+ }
+
+ /* Test /proc/$PID/smaps */
+ {
+ char buf[4096];
+ ssize_t rv;
+ int fd;
+
+ snprintf(buf, sizeof(buf), "/proc/%u/smaps", pid);
+ fd = open(buf, O_RDONLY);
+ if (fd == -1) {
+ return 1;
+ }
+ rv = read(fd, buf, sizeof(buf));
+ assert(0 <= rv && rv <= sizeof(buf));
+
+ assert(rv >= strlen(buf0));
+ assert(memcmp(buf, buf0, strlen(buf0)) == 0);
+
+#define RSS1 "Rss: 4 kB\n"
+#define RSS2 "Rss: 0 kB\n"
+#define PSS1 "Pss: 4 kB\n"
+#define PSS2 "Pss: 0 kB\n"
+ assert(memmem(buf, rv, RSS1, strlen(RSS1)) ||
+ memmem(buf, rv, RSS2, strlen(RSS2)));
+ assert(memmem(buf, rv, PSS1, strlen(PSS1)) ||
+ memmem(buf, rv, PSS2, strlen(PSS2)));
+
+ static const char *S[] = {
+ "Size: 4 kB\n",
+ "KernelPageSize: 4 kB\n",
+ "MMUPageSize: 4 kB\n",
+ "Anonymous: 0 kB\n",
+ "AnonHugePages: 0 kB\n",
+ "Shared_Hugetlb: 0 kB\n",
+ "Private_Hugetlb: 0 kB\n",
+ "Locked: 0 kB\n",
+ };
+ int i;
+
+ for (i = 0; i < sizeof(S)/sizeof(S[0]); i++) {
+ assert(memmem(buf, rv, S[i], strlen(S[i])));
+ }
+
+ if (g_vsyscall) {
+ assert(memmem(buf, rv, str_vsyscall, strlen(str_vsyscall)));
+ }
+ }
+
+ /* Test /proc/$PID/smaps_rollup */
+ {
+ char bufr[256];
+ memset(bufr, ' ', sizeof(bufr));
+ len = snprintf(bufr, sizeof(bufr),
+ "%08lx-%08lx ---p 00000000 00:00 0",
+ VADDR, VADDR + PAGE_SIZE);
+ bufr[len] = ' ';
+ snprintf(bufr + MAPS_OFFSET, sizeof(bufr) - MAPS_OFFSET,
+ "[rollup]\n");
+
+ char buf[1024];
+ ssize_t rv;
+ int fd;
+
+ snprintf(buf, sizeof(buf), "/proc/%u/smaps_rollup", pid);
+ fd = open(buf, O_RDONLY);
+ if (fd == -1) {
+ return 1;
+ }
+ rv = read(fd, buf, sizeof(buf));
+ assert(0 <= rv && rv <= sizeof(buf));
+
+ assert(rv >= strlen(bufr));
+ assert(memcmp(buf, bufr, strlen(bufr)) == 0);
+
+ assert(memmem(buf, rv, RSS1, strlen(RSS1)) ||
+ memmem(buf, rv, RSS2, strlen(RSS2)));
+ assert(memmem(buf, rv, PSS1, strlen(PSS1)) ||
+ memmem(buf, rv, PSS2, strlen(PSS2)));
+
+ static const char *S[] = {
+ "Anonymous: 0 kB\n",
+ "AnonHugePages: 0 kB\n",
+ "Shared_Hugetlb: 0 kB\n",
+ "Private_Hugetlb: 0 kB\n",
+ "Locked: 0 kB\n",
+ };
+ int i;
+
+ for (i = 0; i < sizeof(S)/sizeof(S[0]); i++) {
+ assert(memmem(buf, rv, S[i], strlen(S[i])));
+ }
+ }
+
+ /* Test /proc/$PID/statm */
+ {
+ char buf[64];
+ ssize_t rv;
+ int fd;
+
+ snprintf(buf, sizeof(buf), "/proc/%u/statm", pid);
+ fd = open(buf, O_RDONLY);
+ if (fd == -1) {
+ return 1;
+ }
+ rv = read(fd, buf, sizeof(buf));
+ assert(rv == 7 * 2);
+
+ assert(buf[0] == '1'); /* ->total_vm */
+ assert(buf[1] == ' ');
+ assert(buf[2] == '0' || buf[2] == '1'); /* rss */
+ assert(buf[3] == ' ');
+ assert(buf[4] == '0' || buf[2] == '1'); /* file rss */
+ assert(buf[5] == ' ');
+ assert(buf[6] == '1'); /* ELF executable segments */
+ assert(buf[7] == ' ');
+ assert(buf[8] == '0');
+ assert(buf[9] == ' ');
+ assert(buf[10] == '0'); /* ->data_vm + ->stack_vm */
+ assert(buf[11] == ' ');
+ assert(buf[12] == '0');
+ assert(buf[13] == '\n');
+ }
+
+ return 0;
+}
+#else
+int main(void)
+{
+ return 4;
+}
+#endif
diff --git a/tools/testing/selftests/proc/proc-self-map-files-002.c b/tools/testing/selftests/proc/proc-self-map-files-002.c
index 85744425b08d..47b7473dedef 100644
--- a/tools/testing/selftests/proc/proc-self-map-files-002.c
+++ b/tools/testing/selftests/proc/proc-self-map-files-002.c
@@ -46,12 +46,9 @@ static void fail(const char *fmt, unsigned long a, unsigned long b)
int main(void)
{
- const unsigned int PAGE_SIZE = sysconf(_SC_PAGESIZE);
-#ifdef __arm__
- unsigned long va = 2 * PAGE_SIZE;
-#else
- unsigned long va = 0;
-#endif
+ const int PAGE_SIZE = sysconf(_SC_PAGESIZE);
+ const unsigned long va_max = 1UL << 32;
+ unsigned long va;
void *p;
int fd;
unsigned long a, b;
@@ -60,10 +57,13 @@ int main(void)
if (fd == -1)
return 1;
- p = mmap((void *)va, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0);
- if (p == MAP_FAILED) {
- if (errno == EPERM)
- return 2;
+ for (va = 0; va < va_max; va += PAGE_SIZE) {
+ p = mmap((void *)va, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0);
+ if (p == (void *)va)
+ break;
+ }
+ if (va == va_max) {
+ fprintf(stderr, "error: mmap doesn't like you\n");
return 1;
}
diff --git a/tools/testing/selftests/proc/proc-self-syscall.c b/tools/testing/selftests/proc/proc-self-syscall.c
index 5ab5f4810e43..9f6d000c0245 100644
--- a/tools/testing/selftests/proc/proc-self-syscall.c
+++ b/tools/testing/selftests/proc/proc-self-syscall.c
@@ -20,7 +20,6 @@
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
-#include <unistd.h>
#include <string.h>
#include <stdio.h>
@@ -39,7 +38,7 @@ int main(void)
fd = open("/proc/self/syscall", O_RDONLY);
if (fd == -1) {
if (errno == ENOENT)
- return 2;
+ return 4;
return 1;
}
diff --git a/tools/testing/selftests/proc/proc-self-wchan.c b/tools/testing/selftests/proc/proc-self-wchan.c
index a38b2fbaa7ad..b467b98a457d 100644
--- a/tools/testing/selftests/proc/proc-self-wchan.c
+++ b/tools/testing/selftests/proc/proc-self-wchan.c
@@ -27,7 +27,7 @@ int main(void)
fd = open("/proc/self/wchan", O_RDONLY);
if (fd == -1) {
if (errno == ENOENT)
- return 2;
+ return 4;
return 1;
}
diff --git a/tools/testing/selftests/proc/read.c b/tools/testing/selftests/proc/read.c
index 563e752e6eba..b3ef9e14d6cc 100644
--- a/tools/testing/selftests/proc/read.c
+++ b/tools/testing/selftests/proc/read.c
@@ -26,8 +26,10 @@
#include <dirent.h>
#include <stdbool.h>
#include <stdlib.h>
+#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
+#include <sys/vfs.h>
#include <fcntl.h>
#include <unistd.h>
@@ -123,10 +125,22 @@ static void f(DIR *d, unsigned int level)
int main(void)
{
DIR *d;
+ struct statfs sfs;
d = opendir("/proc");
if (!d)
+ return 4;
+
+ /* Ensure /proc is proc. */
+ if (fstatfs(dirfd(d), &sfs) == -1) {
+ return 1;
+ }
+ if (sfs.f_type != 0x9fa0) {
+ fprintf(stderr, "error: unexpected f_type %lx\n", (long)sfs.f_type);
return 2;
+ }
+
f(d, 0);
+
return 0;
}
diff --git a/tools/testing/selftests/proc/setns-sysvipc.c b/tools/testing/selftests/proc/setns-sysvipc.c
new file mode 100644
index 000000000000..903890c5e587
--- /dev/null
+++ b/tools/testing/selftests/proc/setns-sysvipc.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright © 2019 Alexey Dobriyan <adobriyan@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+/*
+ * Test that setns(CLONE_NEWIPC) points to new /proc/sysvipc content even
+ * if old one is in dcache.
+ */
+#undef NDEBUG
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sched.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+static pid_t pid = -1;
+
+static void f(void)
+{
+ if (pid > 0) {
+ kill(pid, SIGTERM);
+ }
+}
+
+int main(void)
+{
+ int fd[2];
+ char _ = 0;
+ int nsfd;
+
+ atexit(f);
+
+ /* Check for priviledges and syscall availability straight away. */
+ if (unshare(CLONE_NEWIPC) == -1) {
+ if (errno == ENOSYS || errno == EPERM) {
+ return 4;
+ }
+ return 1;
+ }
+ /* Distinguisher between two otherwise empty IPC namespaces. */
+ if (shmget(IPC_PRIVATE, 1, IPC_CREAT) == -1) {
+ return 1;
+ }
+
+ if (pipe(fd) == -1) {
+ return 1;
+ }
+
+ pid = fork();
+ if (pid == -1) {
+ return 1;
+ }
+
+ if (pid == 0) {
+ if (unshare(CLONE_NEWIPC) == -1) {
+ return 1;
+ }
+
+ if (write(fd[1], &_, 1) != 1) {
+ return 1;
+ }
+
+ pause();
+
+ return 0;
+ }
+
+ if (read(fd[0], &_, 1) != 1) {
+ return 1;
+ }
+
+ {
+ char buf[64];
+ snprintf(buf, sizeof(buf), "/proc/%u/ns/ipc", pid);
+ nsfd = open(buf, O_RDONLY);
+ if (nsfd == -1) {
+ return 1;
+ }
+ }
+
+ /* Reliably pin dentry into dcache. */
+ (void)open("/proc/sysvipc/shm", O_RDONLY);
+
+ if (setns(nsfd, CLONE_NEWIPC) == -1) {
+ return 1;
+ }
+
+ kill(pid, SIGTERM);
+ pid = 0;
+
+ {
+ char buf[4096];
+ ssize_t rv;
+ int fd;
+
+ fd = open("/proc/sysvipc/shm", O_RDONLY);
+ if (fd == -1) {
+ return 1;
+ }
+
+#define S32 " key shmid perms size cpid lpid nattch uid gid cuid cgid atime dtime ctime rss swap\n"
+#define S64 " key shmid perms size cpid lpid nattch uid gid cuid cgid atime dtime ctime rss swap\n"
+ rv = read(fd, buf, sizeof(buf));
+ if (rv == strlen(S32)) {
+ assert(memcmp(buf, S32, strlen(S32)) == 0);
+ } else if (rv == strlen(S64)) {
+ assert(memcmp(buf, S64, strlen(S64)) == 0);
+ } else {
+ assert(0);
+ }
+ }
+
+ return 0;
+}
diff --git a/tools/testing/selftests/pstore/common_tests b/tools/testing/selftests/pstore/common_tests
index 3ea64d7cf1cd..4509f0cc9c91 100755
--- a/tools/testing/selftests/pstore/common_tests
+++ b/tools/testing/selftests/pstore/common_tests
@@ -1,11 +1,11 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
# common_tests - Shell script commonly used by pstore test scripts
#
# Copyright (C) Hitachi Ltd., 2015
# Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
#
-# Released under the terms of the GPL v2.
# Utilities
errexit() { # message
diff --git a/tools/testing/selftests/pstore/pstore_crash_test b/tools/testing/selftests/pstore/pstore_crash_test
index 1a4afe5c12b6..2a329bbb4aca 100755
--- a/tools/testing/selftests/pstore/pstore_crash_test
+++ b/tools/testing/selftests/pstore/pstore_crash_test
@@ -1,11 +1,11 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
# pstore_crash_test - Pstore test shell script which causes crash and reboot
#
# Copyright (C) Hitachi Ltd., 2015
# Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
#
-# Released under the terms of the GPL v2.
# exit if pstore backend is not registered
. ./common_tests
diff --git a/tools/testing/selftests/pstore/pstore_post_reboot_tests b/tools/testing/selftests/pstore/pstore_post_reboot_tests
index 22f8df1ad7d4..d6da5e86efbf 100755
--- a/tools/testing/selftests/pstore/pstore_post_reboot_tests
+++ b/tools/testing/selftests/pstore/pstore_post_reboot_tests
@@ -1,11 +1,11 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
# pstore_post_reboot_tests - Check pstore's behavior after crash/reboot
#
# Copyright (C) Hitachi Ltd., 2015
# Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
#
-# Released under the terms of the GPL v2.
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
diff --git a/tools/testing/selftests/pstore/pstore_tests b/tools/testing/selftests/pstore/pstore_tests
index f25d2a349a60..1cef54458aff 100755
--- a/tools/testing/selftests/pstore/pstore_tests
+++ b/tools/testing/selftests/pstore/pstore_tests
@@ -1,11 +1,11 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
# pstore_tests - Check pstore's behavior before crash/reboot
#
# Copyright (C) Hitachi Ltd., 2015
# Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
#
-# Released under the terms of the GPL v2.
. ./common_tests
diff --git a/tools/testing/selftests/ptp/phc.sh b/tools/testing/selftests/ptp/phc.sh
new file mode 100755
index 000000000000..ac6e5a6e1d3a
--- /dev/null
+++ b/tools/testing/selftests/ptp/phc.sh
@@ -0,0 +1,166 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+ALL_TESTS="
+ settime
+ adjtime
+ adjfreq
+"
+DEV=$1
+
+##############################################################################
+# Sanity checks
+
+if [[ "$(id -u)" -ne 0 ]]; then
+ echo "SKIP: need root privileges"
+ exit 0
+fi
+
+if [[ "$DEV" == "" ]]; then
+ echo "SKIP: PTP device not provided"
+ exit 0
+fi
+
+require_command()
+{
+ local cmd=$1; shift
+
+ if [[ ! -x "$(command -v "$cmd")" ]]; then
+ echo "SKIP: $cmd not installed"
+ exit 1
+ fi
+}
+
+phc_sanity()
+{
+ phc_ctl $DEV get &> /dev/null
+
+ if [ $? != 0 ]; then
+ echo "SKIP: unknown clock $DEV: No such device"
+ exit 1
+ fi
+}
+
+require_command phc_ctl
+phc_sanity
+
+##############################################################################
+# Helpers
+
+# Exit status to return at the end. Set in case one of the tests fails.
+EXIT_STATUS=0
+# Per-test return value. Clear at the beginning of each test.
+RET=0
+
+check_err()
+{
+ local err=$1
+
+ if [[ $RET -eq 0 && $err -ne 0 ]]; then
+ RET=$err
+ fi
+}
+
+log_test()
+{
+ local test_name=$1
+
+ if [[ $RET -ne 0 ]]; then
+ EXIT_STATUS=1
+ printf "TEST: %-60s [FAIL]\n" "$test_name"
+ return 1
+ fi
+
+ printf "TEST: %-60s [ OK ]\n" "$test_name"
+ return 0
+}
+
+tests_run()
+{
+ local current_test
+
+ for current_test in ${TESTS:-$ALL_TESTS}; do
+ $current_test
+ done
+}
+
+##############################################################################
+# Tests
+
+settime_do()
+{
+ local res
+
+ res=$(phc_ctl $DEV set 0 wait 120.5 get 2> /dev/null \
+ | awk '/clock time is/{print $5}' \
+ | awk -F. '{print $1}')
+
+ (( res == 120 ))
+}
+
+adjtime_do()
+{
+ local res
+
+ res=$(phc_ctl $DEV set 0 adj 10 get 2> /dev/null \
+ | awk '/clock time is/{print $5}' \
+ | awk -F. '{print $1}')
+
+ (( res == 10 ))
+}
+
+adjfreq_do()
+{
+ local res
+
+ # Set the clock to be 1% faster
+ res=$(phc_ctl $DEV freq 10000000 set 0 wait 100.5 get 2> /dev/null \
+ | awk '/clock time is/{print $5}' \
+ | awk -F. '{print $1}')
+
+ (( res == 101 ))
+}
+
+##############################################################################
+
+cleanup()
+{
+ phc_ctl $DEV freq 0.0 &> /dev/null
+ phc_ctl $DEV set &> /dev/null
+}
+
+settime()
+{
+ RET=0
+
+ settime_do
+ check_err $?
+ log_test "settime"
+ cleanup
+}
+
+adjtime()
+{
+ RET=0
+
+ adjtime_do
+ check_err $?
+ log_test "adjtime"
+ cleanup
+}
+
+adjfreq()
+{
+ RET=0
+
+ adjfreq_do
+ check_err $?
+ log_test "adjfreq"
+ cleanup
+}
+
+trap cleanup EXIT
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c
index a5d8f0ab0da0..bd4a7247b44f 100644
--- a/tools/testing/selftests/ptp/testptp.c
+++ b/tools/testing/selftests/ptp/testptp.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PTP 1588 clock support - User space test program
*
* Copyright (C) 2010 OMICRON electronics GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define _GNU_SOURCE
#define __SANE_USERSPACE_TYPES__ /* For PPC64, to get LL64 types */
@@ -63,30 +50,6 @@ static clockid_t get_clockid(int fd)
return (((unsigned int) ~fd) << 3) | CLOCKFD;
}
-static void handle_alarm(int s)
-{
- printf("received signal %d\n", s);
-}
-
-static int install_handler(int signum, void (*handler)(int))
-{
- struct sigaction action;
- sigset_t mask;
-
- /* Unblock the signal. */
- sigemptyset(&mask);
- sigaddset(&mask, signum);
- sigprocmask(SIG_UNBLOCK, &mask, NULL);
-
- /* Install the signal handler. */
- action.sa_handler = handler;
- action.sa_flags = 0;
- sigemptyset(&action.sa_mask);
- sigaction(signum, &action, NULL);
-
- return 0;
-}
-
static long ppb_to_scaled_ppm(int ppb)
{
/*
@@ -112,8 +75,6 @@ static void usage(char *progname)
{
fprintf(stderr,
"usage: %s [options]\n"
- " -a val request a one-shot alarm after 'val' seconds\n"
- " -A val request a periodic alarm every 'val' seconds\n"
" -c query the ptp clock's capabilities\n"
" -d name device to open\n"
" -e val read 'val' external time stamp events\n"
@@ -148,15 +109,9 @@ int main(int argc, char *argv[])
struct ptp_pin_desc desc;
struct timespec ts;
struct timex tx;
-
- static timer_t timerid;
- struct itimerspec timeout;
- struct sigevent sigevent;
-
struct ptp_clock_time *pct;
struct ptp_sys_offset *sysoff;
-
char *progname;
unsigned int i;
int c, cnt, fd;
@@ -170,10 +125,8 @@ int main(int argc, char *argv[])
int gettime = 0;
int index = 0;
int list_pins = 0;
- int oneshot = 0;
int pct_offset = 0;
int n_samples = 0;
- int periodic = 0;
int perout = -1;
int pin_index = -1, pin_func;
int pps = -1;
@@ -185,14 +138,8 @@ int main(int argc, char *argv[])
progname = strrchr(argv[0], '/');
progname = progname ? 1+progname : argv[0];
- while (EOF != (c = getopt(argc, argv, "a:A:cd:e:f:ghi:k:lL:p:P:sSt:T:v"))) {
+ while (EOF != (c = getopt(argc, argv, "cd:e:f:ghi:k:lL:p:P:sSt:T:v"))) {
switch (c) {
- case 'a':
- oneshot = atoi(optarg);
- break;
- case 'A':
- periodic = atoi(optarg);
- break;
case 'c':
capabilities = 1;
break;
@@ -393,49 +340,6 @@ int main(int argc, char *argv[])
}
}
- if (oneshot) {
- install_handler(SIGALRM, handle_alarm);
- /* Create a timer. */
- sigevent.sigev_notify = SIGEV_SIGNAL;
- sigevent.sigev_signo = SIGALRM;
- if (timer_create(clkid, &sigevent, &timerid)) {
- perror("timer_create");
- return -1;
- }
- /* Start the timer. */
- memset(&timeout, 0, sizeof(timeout));
- timeout.it_value.tv_sec = oneshot;
- if (timer_settime(timerid, 0, &timeout, NULL)) {
- perror("timer_settime");
- return -1;
- }
- pause();
- timer_delete(timerid);
- }
-
- if (periodic) {
- install_handler(SIGALRM, handle_alarm);
- /* Create a timer. */
- sigevent.sigev_notify = SIGEV_SIGNAL;
- sigevent.sigev_signo = SIGALRM;
- if (timer_create(clkid, &sigevent, &timerid)) {
- perror("timer_create");
- return -1;
- }
- /* Start the timer. */
- memset(&timeout, 0, sizeof(timeout));
- timeout.it_interval.tv_sec = periodic;
- timeout.it_value.tv_sec = periodic;
- if (timer_settime(timerid, 0, &timeout, NULL)) {
- perror("timer_settime");
- return -1;
- }
- while (1) {
- pause();
- }
- timer_delete(timerid);
- }
-
if (perout >= 0) {
if (clock_gettime(clkid, &ts)) {
perror("clock_gettime");
diff --git a/tools/testing/selftests/ptrace/.gitignore b/tools/testing/selftests/ptrace/.gitignore
index b3e59d41fd82..cfcc49a7def7 100644
--- a/tools/testing/selftests/ptrace/.gitignore
+++ b/tools/testing/selftests/ptrace/.gitignore
@@ -1 +1,2 @@
+get_syscall_info
peeksiginfo
diff --git a/tools/testing/selftests/ptrace/Makefile b/tools/testing/selftests/ptrace/Makefile
index 8a2bc5562179..c0b7f89f0930 100644
--- a/tools/testing/selftests/ptrace/Makefile
+++ b/tools/testing/selftests/ptrace/Makefile
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS += -iquote../../../../include/uapi -Wall
-TEST_GEN_PROGS := peeksiginfo
+TEST_GEN_PROGS := get_syscall_info peeksiginfo
include ../lib.mk
diff --git a/tools/testing/selftests/ptrace/get_syscall_info.c b/tools/testing/selftests/ptrace/get_syscall_info.c
new file mode 100644
index 000000000000..5bcd1c7b5be6
--- /dev/null
+++ b/tools/testing/selftests/ptrace/get_syscall_info.c
@@ -0,0 +1,271 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2018 Dmitry V. Levin <ldv@altlinux.org>
+ * All rights reserved.
+ *
+ * Check whether PTRACE_GET_SYSCALL_INFO semantics implemented in the kernel
+ * matches userspace expectations.
+ */
+
+#include "../kselftest_harness.h"
+#include <err.h>
+#include <signal.h>
+#include <asm/unistd.h>
+#include "linux/ptrace.h"
+
+static int
+kill_tracee(pid_t pid)
+{
+ if (!pid)
+ return 0;
+
+ int saved_errno = errno;
+
+ int rc = kill(pid, SIGKILL);
+
+ errno = saved_errno;
+ return rc;
+}
+
+static long
+sys_ptrace(int request, pid_t pid, unsigned long addr, unsigned long data)
+{
+ return syscall(__NR_ptrace, request, pid, addr, data);
+}
+
+#define LOG_KILL_TRACEE(fmt, ...) \
+ do { \
+ kill_tracee(pid); \
+ TH_LOG("wait #%d: " fmt, \
+ ptrace_stop, ##__VA_ARGS__); \
+ } while (0)
+
+TEST(get_syscall_info)
+{
+ static const unsigned long args[][7] = {
+ /* a sequence of architecture-agnostic syscalls */
+ {
+ __NR_chdir,
+ (unsigned long) "",
+ 0xbad1fed1,
+ 0xbad2fed2,
+ 0xbad3fed3,
+ 0xbad4fed4,
+ 0xbad5fed5
+ },
+ {
+ __NR_gettid,
+ 0xcaf0bea0,
+ 0xcaf1bea1,
+ 0xcaf2bea2,
+ 0xcaf3bea3,
+ 0xcaf4bea4,
+ 0xcaf5bea5
+ },
+ {
+ __NR_exit_group,
+ 0,
+ 0xfac1c0d1,
+ 0xfac2c0d2,
+ 0xfac3c0d3,
+ 0xfac4c0d4,
+ 0xfac5c0d5
+ }
+ };
+ const unsigned long *exp_args;
+
+ pid_t pid = fork();
+
+ ASSERT_LE(0, pid) {
+ TH_LOG("fork: %m");
+ }
+
+ if (pid == 0) {
+ /* get the pid before PTRACE_TRACEME */
+ pid = getpid();
+ ASSERT_EQ(0, sys_ptrace(PTRACE_TRACEME, 0, 0, 0)) {
+ TH_LOG("PTRACE_TRACEME: %m");
+ }
+ ASSERT_EQ(0, kill(pid, SIGSTOP)) {
+ /* cannot happen */
+ TH_LOG("kill SIGSTOP: %m");
+ }
+ for (unsigned int i = 0; i < ARRAY_SIZE(args); ++i) {
+ syscall(args[i][0],
+ args[i][1], args[i][2], args[i][3],
+ args[i][4], args[i][5], args[i][6]);
+ }
+ /* unreachable */
+ _exit(1);
+ }
+
+ const struct {
+ unsigned int is_error;
+ int rval;
+ } *exp_param, exit_param[] = {
+ { 1, -ENOENT }, /* chdir */
+ { 0, pid } /* gettid */
+ };
+
+ unsigned int ptrace_stop;
+
+ for (ptrace_stop = 0; ; ++ptrace_stop) {
+ struct ptrace_syscall_info info = {
+ .op = 0xff /* invalid PTRACE_SYSCALL_INFO_* op */
+ };
+ const size_t size = sizeof(info);
+ const int expected_none_size =
+ (void *) &info.entry - (void *) &info;
+ const int expected_entry_size =
+ (void *) &info.entry.args[6] - (void *) &info;
+ const int expected_exit_size =
+ (void *) (&info.exit.is_error + 1) -
+ (void *) &info;
+ int status;
+ long rc;
+
+ ASSERT_EQ(pid, wait(&status)) {
+ /* cannot happen */
+ LOG_KILL_TRACEE("wait: %m");
+ }
+ if (WIFEXITED(status)) {
+ pid = 0; /* the tracee is no more */
+ ASSERT_EQ(0, WEXITSTATUS(status));
+ break;
+ }
+ ASSERT_FALSE(WIFSIGNALED(status)) {
+ pid = 0; /* the tracee is no more */
+ LOG_KILL_TRACEE("unexpected signal %u",
+ WTERMSIG(status));
+ }
+ ASSERT_TRUE(WIFSTOPPED(status)) {
+ /* cannot happen */
+ LOG_KILL_TRACEE("unexpected wait status %#x", status);
+ }
+
+ switch (WSTOPSIG(status)) {
+ case SIGSTOP:
+ ASSERT_EQ(0, ptrace_stop) {
+ LOG_KILL_TRACEE("unexpected signal stop");
+ }
+ ASSERT_EQ(0, sys_ptrace(PTRACE_SETOPTIONS, pid, 0,
+ PTRACE_O_TRACESYSGOOD)) {
+ LOG_KILL_TRACEE("PTRACE_SETOPTIONS: %m");
+ }
+ ASSERT_LT(0, (rc = sys_ptrace(PTRACE_GET_SYSCALL_INFO,
+ pid, size,
+ (unsigned long) &info))) {
+ LOG_KILL_TRACEE("PTRACE_GET_SYSCALL_INFO: %m");
+ }
+ ASSERT_EQ(expected_none_size, rc) {
+ LOG_KILL_TRACEE("signal stop mismatch");
+ }
+ ASSERT_EQ(PTRACE_SYSCALL_INFO_NONE, info.op) {
+ LOG_KILL_TRACEE("signal stop mismatch");
+ }
+ ASSERT_TRUE(info.arch) {
+ LOG_KILL_TRACEE("signal stop mismatch");
+ }
+ ASSERT_TRUE(info.instruction_pointer) {
+ LOG_KILL_TRACEE("signal stop mismatch");
+ }
+ ASSERT_TRUE(info.stack_pointer) {
+ LOG_KILL_TRACEE("signal stop mismatch");
+ }
+ break;
+
+ case SIGTRAP | 0x80:
+ ASSERT_LT(0, (rc = sys_ptrace(PTRACE_GET_SYSCALL_INFO,
+ pid, size,
+ (unsigned long) &info))) {
+ LOG_KILL_TRACEE("PTRACE_GET_SYSCALL_INFO: %m");
+ }
+ switch (ptrace_stop) {
+ case 1: /* entering chdir */
+ case 3: /* entering gettid */
+ case 5: /* entering exit_group */
+ exp_args = args[ptrace_stop / 2];
+ ASSERT_EQ(expected_entry_size, rc) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_EQ(PTRACE_SYSCALL_INFO_ENTRY, info.op) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_TRUE(info.arch) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_TRUE(info.instruction_pointer) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_TRUE(info.stack_pointer) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_EQ(exp_args[0], info.entry.nr) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_EQ(exp_args[1], info.entry.args[0]) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_EQ(exp_args[2], info.entry.args[1]) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_EQ(exp_args[3], info.entry.args[2]) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_EQ(exp_args[4], info.entry.args[3]) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_EQ(exp_args[5], info.entry.args[4]) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ ASSERT_EQ(exp_args[6], info.entry.args[5]) {
+ LOG_KILL_TRACEE("entry stop mismatch");
+ }
+ break;
+ case 2: /* exiting chdir */
+ case 4: /* exiting gettid */
+ exp_param = &exit_param[ptrace_stop / 2 - 1];
+ ASSERT_EQ(expected_exit_size, rc) {
+ LOG_KILL_TRACEE("exit stop mismatch");
+ }
+ ASSERT_EQ(PTRACE_SYSCALL_INFO_EXIT, info.op) {
+ LOG_KILL_TRACEE("exit stop mismatch");
+ }
+ ASSERT_TRUE(info.arch) {
+ LOG_KILL_TRACEE("exit stop mismatch");
+ }
+ ASSERT_TRUE(info.instruction_pointer) {
+ LOG_KILL_TRACEE("exit stop mismatch");
+ }
+ ASSERT_TRUE(info.stack_pointer) {
+ LOG_KILL_TRACEE("exit stop mismatch");
+ }
+ ASSERT_EQ(exp_param->is_error,
+ info.exit.is_error) {
+ LOG_KILL_TRACEE("exit stop mismatch");
+ }
+ ASSERT_EQ(exp_param->rval, info.exit.rval) {
+ LOG_KILL_TRACEE("exit stop mismatch");
+ }
+ break;
+ default:
+ LOG_KILL_TRACEE("unexpected syscall stop");
+ abort();
+ }
+ break;
+
+ default:
+ LOG_KILL_TRACEE("unexpected stop signal %#x",
+ WSTOPSIG(status));
+ abort();
+ }
+
+ ASSERT_EQ(0, sys_ptrace(PTRACE_SYSCALL, pid, 0, 0)) {
+ LOG_KILL_TRACEE("PTRACE_SYSCALL: %m");
+ }
+ }
+
+ ASSERT_EQ(ARRAY_SIZE(args) * 2, ptrace_stop);
+}
+
+TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/rcutorture/Makefile b/tools/testing/selftests/rcutorture/Makefile
new file mode 100644
index 000000000000..5202dc666206
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0+
+all:
+ ( cd ../../../..; tools/testing/selftests/rcutorture/bin/kvm.sh --duration 10 --configs TREE01 )
diff --git a/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh b/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh
index 43540f1828cc..2deea2169fc2 100755
--- a/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh
+++ b/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Extract the number of CPUs expected from the specified Kconfig-file
# fragment by checking CONFIG_SMP and CONFIG_NR_CPUS. If the specified
@@ -7,23 +8,9 @@
#
# Usage: configNR_CPUS.sh config-frag
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2013
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
cf=$1
if test ! -r $cf
diff --git a/tools/testing/selftests/rcutorture/bin/config_override.sh b/tools/testing/selftests/rcutorture/bin/config_override.sh
index ef7fcbac3d42..90016c359e83 100755
--- a/tools/testing/selftests/rcutorture/bin/config_override.sh
+++ b/tools/testing/selftests/rcutorture/bin/config_override.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# config_override.sh base override
#
@@ -6,23 +7,9 @@
# that conflict with any in override, concatenating what remains and
# sending the result to standard output.
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2017
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
base=$1
if test -r $base
diff --git a/tools/testing/selftests/rcutorture/bin/configcheck.sh b/tools/testing/selftests/rcutorture/bin/configcheck.sh
index 197deece7c7c..31584cee84d7 100755
--- a/tools/testing/selftests/rcutorture/bin/configcheck.sh
+++ b/tools/testing/selftests/rcutorture/bin/configcheck.sh
@@ -1,23 +1,11 @@
#!/bin/bash
-# Usage: configcheck.sh .config .config-template
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
+# SPDX-License-Identifier: GPL-2.0+
#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
+# Usage: configcheck.sh .config .config-template
#
# Copyright (C) IBM Corporation, 2011
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
T=${TMPDIR-/tmp}/abat-chk-config.sh.$$
trap 'rm -rf $T' 0
@@ -26,6 +14,7 @@ mkdir $T
cat $1 > $T/.config
cat $2 | sed -e 's/\(.*\)=n/# \1 is not set/' -e 's/^#CHECK#//' |
+grep -v '^CONFIG_INITRAMFS_SOURCE' |
awk '
{
print "if grep -q \"" $0 "\" < '"$T/.config"'";
diff --git a/tools/testing/selftests/rcutorture/bin/configinit.sh b/tools/testing/selftests/rcutorture/bin/configinit.sh
index 65541c21a544..93e80a42249a 100755
--- a/tools/testing/selftests/rcutorture/bin/configinit.sh
+++ b/tools/testing/selftests/rcutorture/bin/configinit.sh
@@ -1,6 +1,7 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
-# Usage: configinit.sh config-spec-file build-output-dir results-dir
+# Usage: configinit.sh config-spec-file results-dir
#
# Create a .config file from the spec file. Run from the kernel source tree.
# Exits with 0 if all went well, with 1 if all went well but the config
@@ -10,27 +11,9 @@
# desired settings, for example, "CONFIG_NO_HZ=y". For best results,
# this should be a full pathname.
#
-# The second argument is a optional path to a build output directory,
-# for example, "O=/tmp/foo". If this argument is omitted, the .config
-# file will be generated directly in the current directory.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2013
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
T=${TMPDIR-/tmp}/configinit.sh.$$
trap 'rm -rf $T' 0
@@ -39,34 +22,23 @@ mkdir $T
# Capture config spec file.
c=$1
-buildloc=$2
-resdir=$3
-builddir=
-if echo $buildloc | grep -q '^O='
-then
- builddir=`echo $buildloc | sed -e 's/^O=//'`
- if test ! -d $builddir
- then
- mkdir $builddir
- fi
-else
- echo Bad build directory: \"$buildloc\"
- exit 2
-fi
+resdir=$2
sed -e 's/^\(CONFIG[0-9A-Z_]*\)=.*$/grep -v "^# \1" |/' < $c > $T/u.sh
sed -e 's/^\(CONFIG[0-9A-Z_]*=\).*$/grep -v \1 |/' < $c >> $T/u.sh
grep '^grep' < $T/u.sh > $T/upd.sh
echo "cat - $c" >> $T/upd.sh
-make mrproper
-make $buildloc distclean > $resdir/Make.distclean 2>&1
-make $buildloc $TORTURE_DEFCONFIG > $resdir/Make.defconfig.out 2>&1
-mv $builddir/.config $builddir/.config.sav
-sh $T/upd.sh < $builddir/.config.sav > $builddir/.config
-cp $builddir/.config $builddir/.config.new
-yes '' | make $buildloc oldconfig > $resdir/Make.oldconfig.out 2> $resdir/Make.oldconfig.err
+if test -z "$TORTURE_TRUST_MAKE"
+then
+ make clean > $resdir/Make.clean 2>&1
+fi
+make $TORTURE_DEFCONFIG > $resdir/Make.defconfig.out 2>&1
+mv .config .config.sav
+sh $T/upd.sh < .config.sav > .config
+cp .config .config.new
+yes '' | make oldconfig > $resdir/Make.oldconfig.out 2> $resdir/Make.oldconfig.err
# verify new config matches specification.
-configcheck.sh $builddir/.config $c
+configcheck.sh .config $c
exit 0
diff --git a/tools/testing/selftests/rcutorture/bin/cpus2use.sh b/tools/testing/selftests/rcutorture/bin/cpus2use.sh
index bb99cde3f5f9..4e9485590c10 100755
--- a/tools/testing/selftests/rcutorture/bin/cpus2use.sh
+++ b/tools/testing/selftests/rcutorture/bin/cpus2use.sh
@@ -1,27 +1,19 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Get an estimate of how CPU-hoggy to be.
#
# Usage: cpus2use.sh
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2013
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
+if test -n "$TORTURE_ALLOTED_CPUS"
+then
+ echo $TORTURE_ALLOTED_CPUS
+ exit 0
+fi
ncpus=`grep '^processor' /proc/cpuinfo | wc -l`
idlecpus=`mpstat | tail -1 | \
awk -v ncpus=$ncpus '{ print ncpus * ($7 + $NF) / 100 }'`
diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh
index 65f6655026f0..c3a49fb4d6f6 100644
--- a/tools/testing/selftests/rcutorture/bin/functions.sh
+++ b/tools/testing/selftests/rcutorture/bin/functions.sh
@@ -1,24 +1,11 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Shell functions for the rest of the scripts.
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2013
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
# bootparam_hotplug_cpu bootparam-string
#
@@ -185,7 +172,7 @@ identify_qemu_append () {
local console=ttyS0
case "$1" in
qemu-system-x86_64|qemu-system-i386)
- echo noapic selinux=0 initcall_debug debug
+ echo selinux=0 initcall_debug debug
;;
qemu-system-aarch64)
console=ttyAMA0
@@ -204,8 +191,19 @@ identify_qemu_append () {
# Output arguments for qemu arguments based on the TORTURE_QEMU_MAC
# and TORTURE_QEMU_INTERACTIVE environment variables.
identify_qemu_args () {
+ local KVM_CPU=""
+ case "$1" in
+ qemu-system-x86_64)
+ KVM_CPU=kvm64
+ ;;
+ qemu-system-i386)
+ KVM_CPU=kvm32
+ ;;
+ esac
case "$1" in
qemu-system-x86_64|qemu-system-i386)
+ echo -machine q35,accel=kvm
+ echo -cpu ${KVM_CPU}
;;
qemu-system-aarch64)
echo -machine virt,gic-version=host -cpu host
diff --git a/tools/testing/selftests/rcutorture/bin/jitter.sh b/tools/testing/selftests/rcutorture/bin/jitter.sh
index 3633828375e3..dc49a3ba6111 100755
--- a/tools/testing/selftests/rcutorture/bin/jitter.sh
+++ b/tools/testing/selftests/rcutorture/bin/jitter.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Alternate sleeping and spinning on randomly selected CPUs. The purpose
# of this script is to inflict random OS jitter on a concurrently running
@@ -11,23 +12,9 @@
# sleepmax: Maximum microseconds to sleep, defaults to one second.
# spinmax: Maximum microseconds to spin, defaults to one millisecond.
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2016
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
me=$(($1 * 1000))
duration=$2
@@ -47,10 +34,15 @@ do
exit 0;
fi
- # Set affinity to randomly selected CPU
- cpus=`ls /sys/devices/system/cpu/*/online |
- sed -e 's,/[^/]*$,,' -e 's/^[^0-9]*//' |
- grep -v '^0*$'`
+ # Set affinity to randomly selected online CPU
+ cpus=`grep 1 /sys/devices/system/cpu/*/online |
+ sed -e 's,/[^/]*$,,' -e 's/^[^0-9]*//'`
+
+ # Do not leave out poor old cpu0 which may not be hot-pluggable
+ if [ ! -f "/sys/devices/system/cpu/cpu0/online" ]; then
+ cpus="0 $cpus"
+ fi
+
cpumask=`awk -v cpus="$cpus" -v me=$me -v n=$n 'BEGIN {
srand(n + me + systime());
ncpus = split(cpus, ca);
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-build.sh b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
index 9115fcdb5617..18d6518504ee 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-build.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
@@ -1,26 +1,13 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Build a kvm-ready Linux kernel from the tree in the current directory.
#
-# Usage: kvm-build.sh config-template build-dir resdir
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
+# Usage: kvm-build.sh config-template resdir
#
# Copyright (C) IBM Corporation, 2011
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
config_template=${1}
if test -z "$config_template" -o ! -f "$config_template" -o ! -r "$config_template"
@@ -28,8 +15,7 @@ then
echo "kvm-build.sh :$config_template: Not a readable file"
exit 1
fi
-builddir=${2}
-resdir=${3}
+resdir=${2}
T=${TMPDIR-/tmp}/test-linux.sh.$$
trap 'rm -rf $T' 0
@@ -42,14 +28,14 @@ CONFIG_VIRTIO_PCI=y
CONFIG_VIRTIO_CONSOLE=y
___EOF___
-configinit.sh $T/config O=$builddir $resdir
+configinit.sh $T/config $resdir
retval=$?
if test $retval -gt 1
then
exit 2
fi
ncpus=`cpus2use.sh`
-make O=$builddir -j$ncpus $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1
+make -j$ncpus $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1
retval=$?
if test $retval -ne 0 || grep "rcu[^/]*": < $resdir/Make.out | egrep -q "Stop|Error|error:|warning:" || egrep -q "Stop|Error|error:" < $resdir/Make.out
then
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh
index 98f650c9bf54..1871d00bccd7 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh
@@ -1,4 +1,5 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
#
# Invoke a text editor on all console.log files for all runs with diagnostics,
# that is, on all such files having a console.log.diags counterpart.
@@ -10,6 +11,11 @@
#
# The "directory" above should end with the date/time directory, for example,
# "tools/testing/selftests/rcutorture/res/2018.02.25-14:27:27".
+# Returns error status reflecting the success (or not) of the specified run.
+#
+# Copyright (C) IBM Corporation, 2018
+#
+# Author: Paul E. McKenney <paulmck@linux.ibm.com>
rundir="${1}"
if test -z "$rundir" -o ! -d "$rundir"
@@ -51,6 +57,8 @@ done
if test -n "$files"
then
$editor $files
+ exit 1
else
echo No errors in console logs.
+ exit 0
fi
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh
index 2de92f43ee8c..f3a7a5e2b89d 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh
@@ -1,26 +1,13 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Analyze a given results directory for locktorture progress.
#
# Usage: kvm-recheck-lock.sh resdir
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2014
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
i="$1"
if test -d "$i" -a -r "$i"
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
index 0fa8a61ccb7b..2a7f3f4756a7 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
@@ -1,26 +1,13 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Analyze a given results directory for rcutorture progress.
#
# Usage: kvm-recheck-rcu.sh resdir
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2014
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
i="$1"
if test -d "$i" -a -r "$i"
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf-ftrace.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf-ftrace.sh
index 8948f7926b21..7d3c2be66c64 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf-ftrace.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf-ftrace.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Analyze a given results directory for rcuperf performance measurements,
# looking for ftrace data. Exits with 0 if data was found, analyzed, and
@@ -7,23 +8,9 @@
#
# Usage: kvm-recheck-rcuperf-ftrace.sh resdir
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2016
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
i="$1"
. functions.sh
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf.sh
index ccebf772fa1e..db0375a57f28 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf.sh
@@ -1,26 +1,13 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Analyze a given results directory for rcuperf performance measurements.
#
# Usage: kvm-recheck-rcuperf.sh resdir
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2016
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
i="$1"
if test -d "$i" -a -r "$i"
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
index c9bab57a77eb..e5edd5198725 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Given the results directories for previous KVM-based torture runs,
# check the build and console output for errors. Given a directory
@@ -6,23 +7,11 @@
#
# Usage: kvm-recheck.sh resdir ...
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
+# Returns status reflecting the success or not of the last run specified.
#
# Copyright (C) IBM Corporation, 2011
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
PATH=`pwd`/tools/testing/selftests/rcutorture/bin:$PATH; export PATH
. functions.sh
@@ -41,8 +30,16 @@ do
TORTURE_SUITE="`cat $i/../TORTURE_SUITE`"
rm -f $i/console.log.*.diags
kvm-recheck-${TORTURE_SUITE}.sh $i
- if test -f "$i/console.log"
+ if test -f "$i/qemu-retval" && test "`cat $i/qemu-retval`" -ne 0 && test "`cat $i/qemu-retval`" -ne 137
+ then
+ echo QEMU error, output:
+ cat $i/qemu-output
+ elif test -f "$i/console.log"
then
+ if test -f "$i/qemu-retval" && test "`cat $i/qemu-retval`" -eq 137
+ then
+ echo QEMU killed
+ fi
configcheck.sh $i/.config $i/ConfigFragment
if test -r $i/Make.oldconfig.err
then
@@ -71,3 +68,4 @@ do
fi
done
done
+EDITOR=echo kvm-find-errors.sh "${@: -1}" > /dev/null 2>&1
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index 58ca758a5786..27b7b5693ede 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Run a kvm-based test of the specified tree on the specified configs.
# Fully automated run and error checking, no graphics console.
@@ -20,23 +21,9 @@
#
# More sophisticated argument parsing is clearly needed.
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2011
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
T=${TMPDIR-/tmp}/kvm-test-1-run.sh.$$
trap 'rm -rf $T' 0
@@ -49,11 +36,6 @@ config_template=${1}
config_dir=`echo $config_template | sed -e 's,/[^/]*$,,'`
title=`echo $config_template | sed -e 's/^.*\///'`
builddir=${2}
-if test -z "$builddir" -o ! -d "$builddir" -o ! -w "$builddir"
-then
- echo "kvm-test-1-run.sh :$builddir: Not a writable directory, cannot build into it"
- exit 1
-fi
resdir=${3}
if test -z "$resdir" -o ! -d "$resdir" -o ! -w "$resdir"
then
@@ -98,18 +80,18 @@ then
ln -s $base_resdir/.config $resdir # for kvm-recheck.sh
# Arch-independent indicator
touch $resdir/builtkernel
-elif kvm-build.sh $T/Kc2 $builddir $resdir
+elif kvm-build.sh $T/Kc2 $resdir
then
# Had to build a kernel for this test.
- QEMU="`identify_qemu $builddir/vmlinux`"
+ QEMU="`identify_qemu vmlinux`"
BOOT_IMAGE="`identify_boot_image $QEMU`"
- cp $builddir/vmlinux $resdir
- cp $builddir/.config $resdir
- cp $builddir/Module.symvers $resdir > /dev/null || :
- cp $builddir/System.map $resdir > /dev/null || :
+ cp vmlinux $resdir
+ cp .config $resdir
+ cp Module.symvers $resdir > /dev/null || :
+ cp System.map $resdir > /dev/null || :
if test -n "$BOOT_IMAGE"
then
- cp $builddir/$BOOT_IMAGE $resdir
+ cp $BOOT_IMAGE $resdir
KERNEL=$resdir/${BOOT_IMAGE##*/}
# Arch-independent indicator
touch $resdir/builtkernel
@@ -120,7 +102,7 @@ then
parse-build.sh $resdir/Make.out $title
else
# Build failed.
- cp $builddir/.config $resdir || :
+ cp .config $resdir || :
echo Build failed, not running KVM, see $resdir.
if test -f $builddir.wait
then
@@ -178,7 +160,7 @@ then
fi
echo "NOTE: $QEMU either did not run or was interactive" > $resdir/console.log
echo $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd
-( $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append "$qemu_append $boot_args"& echo $! > $resdir/qemu_pid; wait `cat $resdir/qemu_pid`; echo $? > $resdir/qemu-retval ) &
+( $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append "$qemu_append $boot_args" > $resdir/qemu-output 2>&1 & echo $! > $resdir/qemu_pid; wait `cat $resdir/qemu_pid`; echo $? > $resdir/qemu-retval ) &
commandcompleted=0
sleep 10 # Give qemu's pid a chance to reach the file
if test -s "$resdir/qemu_pid"
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 19864f1cb27a..72518580df23 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Run a series of tests under KVM. By default, this series is specified
# by the relevant CFLIST file, but can be overridden by the --configs
@@ -6,23 +7,9 @@
#
# Usage: kvm.sh [ options ]
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2011
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
scriptname=$0
args="$*"
@@ -37,6 +24,7 @@ dur=$((30*60))
dryrun=""
KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM
PATH=${KVM}/bin:$PATH; export PATH
+TORTURE_ALLOTED_CPUS=""
TORTURE_DEFCONFIG=defconfig
TORTURE_BOOT_IMAGE=""
TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD
@@ -45,6 +33,7 @@ TORTURE_KMAKE_ARG=""
TORTURE_QEMU_MEM=512
TORTURE_SHUTDOWN_GRACE=180
TORTURE_SUITE=rcu
+TORTURE_TRUST_MAKE=""
resdir=""
configs=""
cpus=0
@@ -75,6 +64,7 @@ usage () {
echo " --qemu-cmd qemu-system-..."
echo " --results absolute-pathname"
echo " --torture rcu"
+ echo " --trust-make"
exit 1
}
@@ -102,6 +92,7 @@ do
--cpus)
checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--'
cpus=$2
+ TORTURE_ALLOTED_CPUS="$2"
shift
;;
--datestamp)
@@ -186,6 +177,9 @@ do
jitter=0
fi
;;
+ --trust-make)
+ TORTURE_TRUST_MAKE="y"
+ ;;
*)
echo Unknown argument $1
usage
@@ -298,6 +292,7 @@ cat << ___EOF___ > $T/script
CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG
KVM="$KVM"; export KVM
PATH="$PATH"; export PATH
+TORTURE_ALLOTED_CPUS="$TORTURE_ALLOTED_CPUS"; export TORTURE_ALLOTED_CPUS
TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE
TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY
TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG
@@ -310,6 +305,7 @@ TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC
TORTURE_QEMU_MEM="$TORTURE_QEMU_MEM"; export TORTURE_QEMU_MEM
TORTURE_SHUTDOWN_GRACE="$TORTURE_SHUTDOWN_GRACE"; export TORTURE_SHUTDOWN_GRACE
TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE
+TORTURE_TRUST_MAKE="$TORTURE_TRUST_MAKE"; export TORTURE_TRUST_MAKE
if ! test -e $resdir
then
mkdir -p "$resdir" || :
@@ -355,7 +351,7 @@ function dump(first, pastlast, batchnum)
print "needqemurun="
jn=1
for (j = first; j < pastlast; j++) {
- builddir=KVM "/b1"
+ builddir=KVM "/b" j - first + 1
cpusr[jn] = cpus[j];
if (cfrep[cf[j]] == "") {
cfr[jn] = cf[j];
@@ -371,7 +367,6 @@ function dump(first, pastlast, batchnum)
print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` | tee -a " rd "log";
print "rm -f " builddir ".*";
print "touch " builddir ".wait";
- print "mkdir " builddir " > /dev/null 2>&1 || :";
print "mkdir " rd cfr[jn] " || :";
print "kvm-test-1-run.sh " CONFIGDIR cf[j], builddir, rd cfr[jn], dur " \"" TORTURE_QEMU_ARG "\" \"" TORTURE_BOOTARGS "\" > " rd cfr[jn] "/kvm-test-1-run.sh.out 2>&1 &"
print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date` | tee -a " rd "log";
@@ -477,3 +472,5 @@ else
fi
# Tracing: trace_event=rcu:rcu_grace_period,rcu:rcu_future_grace_period,rcu:rcu_grace_period_init,rcu:rcu_nocb_wake,rcu:rcu_preempt_task,rcu:rcu_unlock_preempted_task,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_kfree_callback,rcu:rcu_batch_start,rcu:rcu_invoke_callback,rcu:rcu_invoke_kfree_callback,rcu:rcu_batch_end,rcu:rcu_torture_read,rcu:rcu_barrier
+# Function-graph tracing: ftrace=function_graph ftrace_graph_filter=sched_setaffinity,migration_cpu_stop
+# Also --kconfig "CONFIG_FUNCTION_TRACER=y CONFIG_FUNCTION_GRAPH_TRACER=y"
diff --git a/tools/testing/selftests/rcutorture/bin/mkinitrd.sh b/tools/testing/selftests/rcutorture/bin/mkinitrd.sh
index da298394daa2..6fa9bd1ddc09 100755
--- a/tools/testing/selftests/rcutorture/bin/mkinitrd.sh
+++ b/tools/testing/selftests/rcutorture/bin/mkinitrd.sh
@@ -1,21 +1,8 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Create an initrd directory if one does not already exist.
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2013
#
# Author: Connor Shu <Connor.Shu@ibm.com>
@@ -40,17 +27,24 @@ mkdir $T
cat > $T/init << '__EOF___'
#!/bin/sh
# Run in userspace a few milliseconds every second. This helps to
-# exercise the NO_HZ_FULL portions of RCU.
+# exercise the NO_HZ_FULL portions of RCU. The 192 instances of "a" was
+# empirically shown to give a nice multi-millisecond burst of user-mode
+# execution on a 2GHz CPU, as desired. Modern CPUs will vary from a
+# couple of milliseconds up to perhaps 100 milliseconds, which is an
+# acceptable range.
+#
+# Why not calibrate an exact delay? Because within this initrd, we
+# are restricted to Bourne-shell builtins, which as far as I know do not
+# provide any means of obtaining a fine-grained timestamp.
+
+a4="a a a a"
+a16="$a4 $a4 $a4 $a4"
+a64="$a16 $a16 $a16 $a16"
+a192="$a64 $a64 $a64"
while :
do
q=
- for i in \
- a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a \
- a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a \
- a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a \
- a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a \
- a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a \
- a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
+ for i in $a192
do
q="$q $i"
done
@@ -124,8 +118,8 @@ if echo -e "#if __x86_64__||__i386__||__i486__||__i586__||__i686__" \
| grep -q '^yes'; then
# architecture supported by nolibc
${CROSS_COMPILE}gcc -fno-asynchronous-unwind-tables -fno-ident \
- -nostdlib -include ../bin/nolibc.h -lgcc -s -static -Os \
- -o init init.c
+ -nostdlib -include ../../../../include/nolibc/nolibc.h \
+ -lgcc -s -static -Os -o init init.c
else
${CROSS_COMPILE}gcc -s -static -Os -o init init.c
fi
diff --git a/tools/testing/selftests/rcutorture/bin/nolibc.h b/tools/testing/selftests/rcutorture/bin/nolibc.h
deleted file mode 100644
index f98f5b92d3eb..000000000000
--- a/tools/testing/selftests/rcutorture/bin/nolibc.h
+++ /dev/null
@@ -1,2197 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
-/* nolibc.h
- * Copyright (C) 2017-2018 Willy Tarreau <w@1wt.eu>
- */
-
-/* some archs (at least aarch64) don't expose the regular syscalls anymore by
- * default, either because they have an "_at" replacement, or because there are
- * more modern alternatives. For now we'd rather still use them.
- */
-#define __ARCH_WANT_SYSCALL_NO_AT
-#define __ARCH_WANT_SYSCALL_NO_FLAGS
-#define __ARCH_WANT_SYSCALL_DEPRECATED
-
-#include <asm/unistd.h>
-#include <asm/ioctls.h>
-#include <asm/errno.h>
-#include <linux/fs.h>
-#include <linux/loop.h>
-
-#define NOLIBC
-
-/* Build a static executable this way :
- * $ gcc -fno-asynchronous-unwind-tables -fno-ident -s -Os -nostdlib \
- * -static -include nolibc.h -lgcc -o hello hello.c
- *
- * Useful calling convention table found here :
- * http://man7.org/linux/man-pages/man2/syscall.2.html
- *
- * This doc is even better :
- * https://w3challs.com/syscalls/
- */
-
-
-/* this way it will be removed if unused */
-static int errno;
-
-#ifndef NOLIBC_IGNORE_ERRNO
-#define SET_ERRNO(v) do { errno = (v); } while (0)
-#else
-#define SET_ERRNO(v) do { } while (0)
-#endif
-
-/* errno codes all ensure that they will not conflict with a valid pointer
- * because they all correspond to the highest addressable memry page.
- */
-#define MAX_ERRNO 4095
-
-/* Declare a few quite common macros and types that usually are in stdlib.h,
- * stdint.h, ctype.h, unistd.h and a few other common locations.
- */
-
-#define NULL ((void *)0)
-
-/* stdint types */
-typedef unsigned char uint8_t;
-typedef signed char int8_t;
-typedef unsigned short uint16_t;
-typedef signed short int16_t;
-typedef unsigned int uint32_t;
-typedef signed int int32_t;
-typedef unsigned long long uint64_t;
-typedef signed long long int64_t;
-typedef unsigned long size_t;
-typedef signed long ssize_t;
-typedef unsigned long uintptr_t;
-typedef signed long intptr_t;
-typedef signed long ptrdiff_t;
-
-/* for stat() */
-typedef unsigned int dev_t;
-typedef unsigned long ino_t;
-typedef unsigned int mode_t;
-typedef signed int pid_t;
-typedef unsigned int uid_t;
-typedef unsigned int gid_t;
-typedef unsigned long nlink_t;
-typedef signed long off_t;
-typedef signed long blksize_t;
-typedef signed long blkcnt_t;
-typedef signed long time_t;
-
-/* for poll() */
-struct pollfd {
- int fd;
- short int events;
- short int revents;
-};
-
-/* for select() */
-struct timeval {
- long tv_sec;
- long tv_usec;
-};
-
-/* for pselect() */
-struct timespec {
- long tv_sec;
- long tv_nsec;
-};
-
-/* for gettimeofday() */
-struct timezone {
- int tz_minuteswest;
- int tz_dsttime;
-};
-
-/* for getdents64() */
-struct linux_dirent64 {
- uint64_t d_ino;
- int64_t d_off;
- unsigned short d_reclen;
- unsigned char d_type;
- char d_name[];
-};
-
-/* commonly an fd_set represents 256 FDs */
-#define FD_SETSIZE 256
-typedef struct { uint32_t fd32[FD_SETSIZE/32]; } fd_set;
-
-/* needed by wait4() */
-struct rusage {
- struct timeval ru_utime;
- struct timeval ru_stime;
- long ru_maxrss;
- long ru_ixrss;
- long ru_idrss;
- long ru_isrss;
- long ru_minflt;
- long ru_majflt;
- long ru_nswap;
- long ru_inblock;
- long ru_oublock;
- long ru_msgsnd;
- long ru_msgrcv;
- long ru_nsignals;
- long ru_nvcsw;
- long ru_nivcsw;
-};
-
-/* stat flags (WARNING, octal here) */
-#define S_IFDIR 0040000
-#define S_IFCHR 0020000
-#define S_IFBLK 0060000
-#define S_IFREG 0100000
-#define S_IFIFO 0010000
-#define S_IFLNK 0120000
-#define S_IFSOCK 0140000
-#define S_IFMT 0170000
-
-#define S_ISDIR(mode) (((mode) & S_IFDIR) == S_IFDIR)
-#define S_ISCHR(mode) (((mode) & S_IFCHR) == S_IFCHR)
-#define S_ISBLK(mode) (((mode) & S_IFBLK) == S_IFBLK)
-#define S_ISREG(mode) (((mode) & S_IFREG) == S_IFREG)
-#define S_ISFIFO(mode) (((mode) & S_IFIFO) == S_IFIFO)
-#define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK)
-#define S_ISSOCK(mode) (((mode) & S_IFSOCK) == S_IFSOCK)
-
-#define DT_UNKNOWN 0
-#define DT_FIFO 1
-#define DT_CHR 2
-#define DT_DIR 4
-#define DT_BLK 6
-#define DT_REG 8
-#define DT_LNK 10
-#define DT_SOCK 12
-
-/* all the *at functions */
-#ifndef AT_FDWCD
-#define AT_FDCWD -100
-#endif
-
-/* lseek */
-#define SEEK_SET 0
-#define SEEK_CUR 1
-#define SEEK_END 2
-
-/* reboot */
-#define LINUX_REBOOT_MAGIC1 0xfee1dead
-#define LINUX_REBOOT_MAGIC2 0x28121969
-#define LINUX_REBOOT_CMD_HALT 0xcdef0123
-#define LINUX_REBOOT_CMD_POWER_OFF 0x4321fedc
-#define LINUX_REBOOT_CMD_RESTART 0x01234567
-#define LINUX_REBOOT_CMD_SW_SUSPEND 0xd000fce2
-
-
-/* The format of the struct as returned by the libc to the application, which
- * significantly differs from the format returned by the stat() syscall flavours.
- */
-struct stat {
- dev_t st_dev; /* ID of device containing file */
- ino_t st_ino; /* inode number */
- mode_t st_mode; /* protection */
- nlink_t st_nlink; /* number of hard links */
- uid_t st_uid; /* user ID of owner */
- gid_t st_gid; /* group ID of owner */
- dev_t st_rdev; /* device ID (if special file) */
- off_t st_size; /* total size, in bytes */
- blksize_t st_blksize; /* blocksize for file system I/O */
- blkcnt_t st_blocks; /* number of 512B blocks allocated */
- time_t st_atime; /* time of last access */
- time_t st_mtime; /* time of last modification */
- time_t st_ctime; /* time of last status change */
-};
-
-#define WEXITSTATUS(status) (((status) & 0xff00) >> 8)
-#define WIFEXITED(status) (((status) & 0x7f) == 0)
-
-
-/* Below comes the architecture-specific code. For each architecture, we have
- * the syscall declarations and the _start code definition. This is the only
- * global part. On all architectures the kernel puts everything in the stack
- * before jumping to _start just above us, without any return address (_start
- * is not a function but an entry pint). So at the stack pointer we find argc.
- * Then argv[] begins, and ends at the first NULL. Then we have envp which
- * starts and ends with a NULL as well. So envp=argv+argc+1.
- */
-
-#if defined(__x86_64__)
-/* Syscalls for x86_64 :
- * - registers are 64-bit
- * - syscall number is passed in rax
- * - arguments are in rdi, rsi, rdx, r10, r8, r9 respectively
- * - the system call is performed by calling the syscall instruction
- * - syscall return comes in rax
- * - rcx and r8..r11 may be clobbered, others are preserved.
- * - the arguments are cast to long and assigned into the target registers
- * which are then simply passed as registers to the asm code, so that we
- * don't have to experience issues with register constraints.
- * - the syscall number is always specified last in order to allow to force
- * some registers before (gcc refuses a %-register at the last position).
- */
-
-#define my_syscall0(num) \
-({ \
- long _ret; \
- register long _num asm("rax") = (num); \
- \
- asm volatile ( \
- "syscall\n" \
- : "=a" (_ret) \
- : "0"(_num) \
- : "rcx", "r8", "r9", "r10", "r11", "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall1(num, arg1) \
-({ \
- long _ret; \
- register long _num asm("rax") = (num); \
- register long _arg1 asm("rdi") = (long)(arg1); \
- \
- asm volatile ( \
- "syscall\n" \
- : "=a" (_ret) \
- : "r"(_arg1), \
- "0"(_num) \
- : "rcx", "r8", "r9", "r10", "r11", "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall2(num, arg1, arg2) \
-({ \
- long _ret; \
- register long _num asm("rax") = (num); \
- register long _arg1 asm("rdi") = (long)(arg1); \
- register long _arg2 asm("rsi") = (long)(arg2); \
- \
- asm volatile ( \
- "syscall\n" \
- : "=a" (_ret) \
- : "r"(_arg1), "r"(_arg2), \
- "0"(_num) \
- : "rcx", "r8", "r9", "r10", "r11", "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall3(num, arg1, arg2, arg3) \
-({ \
- long _ret; \
- register long _num asm("rax") = (num); \
- register long _arg1 asm("rdi") = (long)(arg1); \
- register long _arg2 asm("rsi") = (long)(arg2); \
- register long _arg3 asm("rdx") = (long)(arg3); \
- \
- asm volatile ( \
- "syscall\n" \
- : "=a" (_ret) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), \
- "0"(_num) \
- : "rcx", "r8", "r9", "r10", "r11", "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall4(num, arg1, arg2, arg3, arg4) \
-({ \
- long _ret; \
- register long _num asm("rax") = (num); \
- register long _arg1 asm("rdi") = (long)(arg1); \
- register long _arg2 asm("rsi") = (long)(arg2); \
- register long _arg3 asm("rdx") = (long)(arg3); \
- register long _arg4 asm("r10") = (long)(arg4); \
- \
- asm volatile ( \
- "syscall\n" \
- : "=a" (_ret), "=r"(_arg4) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), \
- "0"(_num) \
- : "rcx", "r8", "r9", "r11", "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall5(num, arg1, arg2, arg3, arg4, arg5) \
-({ \
- long _ret; \
- register long _num asm("rax") = (num); \
- register long _arg1 asm("rdi") = (long)(arg1); \
- register long _arg2 asm("rsi") = (long)(arg2); \
- register long _arg3 asm("rdx") = (long)(arg3); \
- register long _arg4 asm("r10") = (long)(arg4); \
- register long _arg5 asm("r8") = (long)(arg5); \
- \
- asm volatile ( \
- "syscall\n" \
- : "=a" (_ret), "=r"(_arg4), "=r"(_arg5) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5), \
- "0"(_num) \
- : "rcx", "r9", "r11", "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall6(num, arg1, arg2, arg3, arg4, arg5, arg6) \
-({ \
- long _ret; \
- register long _num asm("rax") = (num); \
- register long _arg1 asm("rdi") = (long)(arg1); \
- register long _arg2 asm("rsi") = (long)(arg2); \
- register long _arg3 asm("rdx") = (long)(arg3); \
- register long _arg4 asm("r10") = (long)(arg4); \
- register long _arg5 asm("r8") = (long)(arg5); \
- register long _arg6 asm("r9") = (long)(arg6); \
- \
- asm volatile ( \
- "syscall\n" \
- : "=a" (_ret), "=r"(_arg4), "=r"(_arg5) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5), \
- "r"(_arg6), "0"(_num) \
- : "rcx", "r11", "memory", "cc" \
- ); \
- _ret; \
-})
-
-/* startup code */
-asm(".section .text\n"
- ".global _start\n"
- "_start:\n"
- "pop %rdi\n" // argc (first arg, %rdi)
- "mov %rsp, %rsi\n" // argv[] (second arg, %rsi)
- "lea 8(%rsi,%rdi,8),%rdx\n" // then a NULL then envp (third arg, %rdx)
- "and $-16, %rsp\n" // x86 ABI : esp must be 16-byte aligned when
- "sub $8, %rsp\n" // entering the callee
- "call main\n" // main() returns the status code, we'll exit with it.
- "movzb %al, %rdi\n" // retrieve exit code from 8 lower bits
- "mov $60, %rax\n" // NR_exit == 60
- "syscall\n" // really exit
- "hlt\n" // ensure it does not return
- "");
-
-/* fcntl / open */
-#define O_RDONLY 0
-#define O_WRONLY 1
-#define O_RDWR 2
-#define O_CREAT 0x40
-#define O_EXCL 0x80
-#define O_NOCTTY 0x100
-#define O_TRUNC 0x200
-#define O_APPEND 0x400
-#define O_NONBLOCK 0x800
-#define O_DIRECTORY 0x10000
-
-/* The struct returned by the stat() syscall, equivalent to stat64(). The
- * syscall returns 116 bytes and stops in the middle of __unused.
- */
-struct sys_stat_struct {
- unsigned long st_dev;
- unsigned long st_ino;
- unsigned long st_nlink;
- unsigned int st_mode;
- unsigned int st_uid;
-
- unsigned int st_gid;
- unsigned int __pad0;
- unsigned long st_rdev;
- long st_size;
- long st_blksize;
-
- long st_blocks;
- unsigned long st_atime;
- unsigned long st_atime_nsec;
- unsigned long st_mtime;
-
- unsigned long st_mtime_nsec;
- unsigned long st_ctime;
- unsigned long st_ctime_nsec;
- long __unused[3];
-};
-
-#elif defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)
-/* Syscalls for i386 :
- * - mostly similar to x86_64
- * - registers are 32-bit
- * - syscall number is passed in eax
- * - arguments are in ebx, ecx, edx, esi, edi, ebp respectively
- * - all registers are preserved (except eax of course)
- * - the system call is performed by calling int $0x80
- * - syscall return comes in eax
- * - the arguments are cast to long and assigned into the target registers
- * which are then simply passed as registers to the asm code, so that we
- * don't have to experience issues with register constraints.
- * - the syscall number is always specified last in order to allow to force
- * some registers before (gcc refuses a %-register at the last position).
- *
- * Also, i386 supports the old_select syscall if newselect is not available
- */
-#define __ARCH_WANT_SYS_OLD_SELECT
-
-#define my_syscall0(num) \
-({ \
- long _ret; \
- register long _num asm("eax") = (num); \
- \
- asm volatile ( \
- "int $0x80\n" \
- : "=a" (_ret) \
- : "0"(_num) \
- : "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall1(num, arg1) \
-({ \
- long _ret; \
- register long _num asm("eax") = (num); \
- register long _arg1 asm("ebx") = (long)(arg1); \
- \
- asm volatile ( \
- "int $0x80\n" \
- : "=a" (_ret) \
- : "r"(_arg1), \
- "0"(_num) \
- : "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall2(num, arg1, arg2) \
-({ \
- long _ret; \
- register long _num asm("eax") = (num); \
- register long _arg1 asm("ebx") = (long)(arg1); \
- register long _arg2 asm("ecx") = (long)(arg2); \
- \
- asm volatile ( \
- "int $0x80\n" \
- : "=a" (_ret) \
- : "r"(_arg1), "r"(_arg2), \
- "0"(_num) \
- : "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall3(num, arg1, arg2, arg3) \
-({ \
- long _ret; \
- register long _num asm("eax") = (num); \
- register long _arg1 asm("ebx") = (long)(arg1); \
- register long _arg2 asm("ecx") = (long)(arg2); \
- register long _arg3 asm("edx") = (long)(arg3); \
- \
- asm volatile ( \
- "int $0x80\n" \
- : "=a" (_ret) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), \
- "0"(_num) \
- : "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall4(num, arg1, arg2, arg3, arg4) \
-({ \
- long _ret; \
- register long _num asm("eax") = (num); \
- register long _arg1 asm("ebx") = (long)(arg1); \
- register long _arg2 asm("ecx") = (long)(arg2); \
- register long _arg3 asm("edx") = (long)(arg3); \
- register long _arg4 asm("esi") = (long)(arg4); \
- \
- asm volatile ( \
- "int $0x80\n" \
- : "=a" (_ret) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), \
- "0"(_num) \
- : "memory", "cc" \
- ); \
- _ret; \
-})
-
-#define my_syscall5(num, arg1, arg2, arg3, arg4, arg5) \
-({ \
- long _ret; \
- register long _num asm("eax") = (num); \
- register long _arg1 asm("ebx") = (long)(arg1); \
- register long _arg2 asm("ecx") = (long)(arg2); \
- register long _arg3 asm("edx") = (long)(arg3); \
- register long _arg4 asm("esi") = (long)(arg4); \
- register long _arg5 asm("edi") = (long)(arg5); \
- \
- asm volatile ( \
- "int $0x80\n" \
- : "=a" (_ret) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5), \
- "0"(_num) \
- : "memory", "cc" \
- ); \
- _ret; \
-})
-
-/* startup code */
-asm(".section .text\n"
- ".global _start\n"
- "_start:\n"
- "pop %eax\n" // argc (first arg, %eax)
- "mov %esp, %ebx\n" // argv[] (second arg, %ebx)
- "lea 4(%ebx,%eax,4),%ecx\n" // then a NULL then envp (third arg, %ecx)
- "and $-16, %esp\n" // x86 ABI : esp must be 16-byte aligned when
- "push %ecx\n" // push all registers on the stack so that we
- "push %ebx\n" // support both regparm and plain stack modes
- "push %eax\n"
- "call main\n" // main() returns the status code in %eax
- "movzbl %al, %ebx\n" // retrieve exit code from lower 8 bits
- "movl $1, %eax\n" // NR_exit == 1
- "int $0x80\n" // exit now
- "hlt\n" // ensure it does not
- "");
-
-/* fcntl / open */
-#define O_RDONLY 0
-#define O_WRONLY 1
-#define O_RDWR 2
-#define O_CREAT 0x40
-#define O_EXCL 0x80
-#define O_NOCTTY 0x100
-#define O_TRUNC 0x200
-#define O_APPEND 0x400
-#define O_NONBLOCK 0x800
-#define O_DIRECTORY 0x10000
-
-/* The struct returned by the stat() syscall, 32-bit only, the syscall returns
- * exactly 56 bytes (stops before the unused array).
- */
-struct sys_stat_struct {
- unsigned long st_dev;
- unsigned long st_ino;
- unsigned short st_mode;
- unsigned short st_nlink;
- unsigned short st_uid;
- unsigned short st_gid;
-
- unsigned long st_rdev;
- unsigned long st_size;
- unsigned long st_blksize;
- unsigned long st_blocks;
-
- unsigned long st_atime;
- unsigned long st_atime_nsec;
- unsigned long st_mtime;
- unsigned long st_mtime_nsec;
-
- unsigned long st_ctime;
- unsigned long st_ctime_nsec;
- unsigned long __unused[2];
-};
-
-#elif defined(__ARM_EABI__)
-/* Syscalls for ARM in ARM or Thumb modes :
- * - registers are 32-bit
- * - stack is 8-byte aligned
- * ( http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka4127.html)
- * - syscall number is passed in r7
- * - arguments are in r0, r1, r2, r3, r4, r5
- * - the system call is performed by calling svc #0
- * - syscall return comes in r0.
- * - only lr is clobbered.
- * - the arguments are cast to long and assigned into the target registers
- * which are then simply passed as registers to the asm code, so that we
- * don't have to experience issues with register constraints.
- * - the syscall number is always specified last in order to allow to force
- * some registers before (gcc refuses a %-register at the last position).
- *
- * Also, ARM supports the old_select syscall if newselect is not available
- */
-#define __ARCH_WANT_SYS_OLD_SELECT
-
-#define my_syscall0(num) \
-({ \
- register long _num asm("r7") = (num); \
- register long _arg1 asm("r0"); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_num) \
- : "memory", "cc", "lr" \
- ); \
- _arg1; \
-})
-
-#define my_syscall1(num, arg1) \
-({ \
- register long _num asm("r7") = (num); \
- register long _arg1 asm("r0") = (long)(arg1); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_arg1), \
- "r"(_num) \
- : "memory", "cc", "lr" \
- ); \
- _arg1; \
-})
-
-#define my_syscall2(num, arg1, arg2) \
-({ \
- register long _num asm("r7") = (num); \
- register long _arg1 asm("r0") = (long)(arg1); \
- register long _arg2 asm("r1") = (long)(arg2); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_arg1), "r"(_arg2), \
- "r"(_num) \
- : "memory", "cc", "lr" \
- ); \
- _arg1; \
-})
-
-#define my_syscall3(num, arg1, arg2, arg3) \
-({ \
- register long _num asm("r7") = (num); \
- register long _arg1 asm("r0") = (long)(arg1); \
- register long _arg2 asm("r1") = (long)(arg2); \
- register long _arg3 asm("r2") = (long)(arg3); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), \
- "r"(_num) \
- : "memory", "cc", "lr" \
- ); \
- _arg1; \
-})
-
-#define my_syscall4(num, arg1, arg2, arg3, arg4) \
-({ \
- register long _num asm("r7") = (num); \
- register long _arg1 asm("r0") = (long)(arg1); \
- register long _arg2 asm("r1") = (long)(arg2); \
- register long _arg3 asm("r2") = (long)(arg3); \
- register long _arg4 asm("r3") = (long)(arg4); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), \
- "r"(_num) \
- : "memory", "cc", "lr" \
- ); \
- _arg1; \
-})
-
-#define my_syscall5(num, arg1, arg2, arg3, arg4, arg5) \
-({ \
- register long _num asm("r7") = (num); \
- register long _arg1 asm("r0") = (long)(arg1); \
- register long _arg2 asm("r1") = (long)(arg2); \
- register long _arg3 asm("r2") = (long)(arg3); \
- register long _arg4 asm("r3") = (long)(arg4); \
- register long _arg5 asm("r4") = (long)(arg5); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r" (_arg1) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5), \
- "r"(_num) \
- : "memory", "cc", "lr" \
- ); \
- _arg1; \
-})
-
-/* startup code */
-asm(".section .text\n"
- ".global _start\n"
- "_start:\n"
-#if defined(__THUMBEB__) || defined(__THUMBEL__)
- /* We enter here in 32-bit mode but if some previous functions were in
- * 16-bit mode, the assembler cannot know, so we need to tell it we're in
- * 32-bit now, then switch to 16-bit (is there a better way to do it than
- * adding 1 by hand ?) and tell the asm we're now in 16-bit mode so that
- * it generates correct instructions. Note that we do not support thumb1.
- */
- ".code 32\n"
- "add r0, pc, #1\n"
- "bx r0\n"
- ".code 16\n"
-#endif
- "pop {%r0}\n" // argc was in the stack
- "mov %r1, %sp\n" // argv = sp
- "add %r2, %r1, %r0, lsl #2\n" // envp = argv + 4*argc ...
- "add %r2, %r2, $4\n" // ... + 4
- "and %r3, %r1, $-8\n" // AAPCS : sp must be 8-byte aligned in the
- "mov %sp, %r3\n" // callee, an bl doesn't push (lr=pc)
- "bl main\n" // main() returns the status code, we'll exit with it.
- "and %r0, %r0, $0xff\n" // limit exit code to 8 bits
- "movs r7, $1\n" // NR_exit == 1
- "svc $0x00\n"
- "");
-
-/* fcntl / open */
-#define O_RDONLY 0
-#define O_WRONLY 1
-#define O_RDWR 2
-#define O_CREAT 0x40
-#define O_EXCL 0x80
-#define O_NOCTTY 0x100
-#define O_TRUNC 0x200
-#define O_APPEND 0x400
-#define O_NONBLOCK 0x800
-#define O_DIRECTORY 0x4000
-
-/* The struct returned by the stat() syscall, 32-bit only, the syscall returns
- * exactly 56 bytes (stops before the unused array). In big endian, the format
- * differs as devices are returned as short only.
- */
-struct sys_stat_struct {
-#if defined(__ARMEB__)
- unsigned short st_dev;
- unsigned short __pad1;
-#else
- unsigned long st_dev;
-#endif
- unsigned long st_ino;
- unsigned short st_mode;
- unsigned short st_nlink;
- unsigned short st_uid;
- unsigned short st_gid;
-#if defined(__ARMEB__)
- unsigned short st_rdev;
- unsigned short __pad2;
-#else
- unsigned long st_rdev;
-#endif
- unsigned long st_size;
- unsigned long st_blksize;
- unsigned long st_blocks;
- unsigned long st_atime;
- unsigned long st_atime_nsec;
- unsigned long st_mtime;
- unsigned long st_mtime_nsec;
- unsigned long st_ctime;
- unsigned long st_ctime_nsec;
- unsigned long __unused[2];
-};
-
-#elif defined(__aarch64__)
-/* Syscalls for AARCH64 :
- * - registers are 64-bit
- * - stack is 16-byte aligned
- * - syscall number is passed in x8
- * - arguments are in x0, x1, x2, x3, x4, x5
- * - the system call is performed by calling svc 0
- * - syscall return comes in x0.
- * - the arguments are cast to long and assigned into the target registers
- * which are then simply passed as registers to the asm code, so that we
- * don't have to experience issues with register constraints.
- *
- * On aarch64, select() is not implemented so we have to use pselect6().
- */
-#define __ARCH_WANT_SYS_PSELECT6
-
-#define my_syscall0(num) \
-({ \
- register long _num asm("x8") = (num); \
- register long _arg1 asm("x0"); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_num) \
- : "memory", "cc" \
- ); \
- _arg1; \
-})
-
-#define my_syscall1(num, arg1) \
-({ \
- register long _num asm("x8") = (num); \
- register long _arg1 asm("x0") = (long)(arg1); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_arg1), \
- "r"(_num) \
- : "memory", "cc" \
- ); \
- _arg1; \
-})
-
-#define my_syscall2(num, arg1, arg2) \
-({ \
- register long _num asm("x8") = (num); \
- register long _arg1 asm("x0") = (long)(arg1); \
- register long _arg2 asm("x1") = (long)(arg2); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_arg1), "r"(_arg2), \
- "r"(_num) \
- : "memory", "cc" \
- ); \
- _arg1; \
-})
-
-#define my_syscall3(num, arg1, arg2, arg3) \
-({ \
- register long _num asm("x8") = (num); \
- register long _arg1 asm("x0") = (long)(arg1); \
- register long _arg2 asm("x1") = (long)(arg2); \
- register long _arg3 asm("x2") = (long)(arg3); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), \
- "r"(_num) \
- : "memory", "cc" \
- ); \
- _arg1; \
-})
-
-#define my_syscall4(num, arg1, arg2, arg3, arg4) \
-({ \
- register long _num asm("x8") = (num); \
- register long _arg1 asm("x0") = (long)(arg1); \
- register long _arg2 asm("x1") = (long)(arg2); \
- register long _arg3 asm("x2") = (long)(arg3); \
- register long _arg4 asm("x3") = (long)(arg4); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r"(_arg1) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), \
- "r"(_num) \
- : "memory", "cc" \
- ); \
- _arg1; \
-})
-
-#define my_syscall5(num, arg1, arg2, arg3, arg4, arg5) \
-({ \
- register long _num asm("x8") = (num); \
- register long _arg1 asm("x0") = (long)(arg1); \
- register long _arg2 asm("x1") = (long)(arg2); \
- register long _arg3 asm("x2") = (long)(arg3); \
- register long _arg4 asm("x3") = (long)(arg4); \
- register long _arg5 asm("x4") = (long)(arg5); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r" (_arg1) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5), \
- "r"(_num) \
- : "memory", "cc" \
- ); \
- _arg1; \
-})
-
-#define my_syscall6(num, arg1, arg2, arg3, arg4, arg5, arg6) \
-({ \
- register long _num asm("x8") = (num); \
- register long _arg1 asm("x0") = (long)(arg1); \
- register long _arg2 asm("x1") = (long)(arg2); \
- register long _arg3 asm("x2") = (long)(arg3); \
- register long _arg4 asm("x3") = (long)(arg4); \
- register long _arg5 asm("x4") = (long)(arg5); \
- register long _arg6 asm("x5") = (long)(arg6); \
- \
- asm volatile ( \
- "svc #0\n" \
- : "=r" (_arg1) \
- : "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5), \
- "r"(_arg6), "r"(_num) \
- : "memory", "cc" \
- ); \
- _arg1; \
-})
-
-/* startup code */
-asm(".section .text\n"
- ".global _start\n"
- "_start:\n"
- "ldr x0, [sp]\n" // argc (x0) was in the stack
- "add x1, sp, 8\n" // argv (x1) = sp
- "lsl x2, x0, 3\n" // envp (x2) = 8*argc ...
- "add x2, x2, 8\n" // + 8 (skip null)
- "add x2, x2, x1\n" // + argv
- "and sp, x1, -16\n" // sp must be 16-byte aligned in the callee
- "bl main\n" // main() returns the status code, we'll exit with it.
- "and x0, x0, 0xff\n" // limit exit code to 8 bits
- "mov x8, 93\n" // NR_exit == 93
- "svc #0\n"
- "");
-
-/* fcntl / open */
-#define O_RDONLY 0
-#define O_WRONLY 1
-#define O_RDWR 2
-#define O_CREAT 0x40
-#define O_EXCL 0x80
-#define O_NOCTTY 0x100
-#define O_TRUNC 0x200
-#define O_APPEND 0x400
-#define O_NONBLOCK 0x800
-#define O_DIRECTORY 0x4000
-
-/* The struct returned by the newfstatat() syscall. Differs slightly from the
- * x86_64's stat one by field ordering, so be careful.
- */
-struct sys_stat_struct {
- unsigned long st_dev;
- unsigned long st_ino;
- unsigned int st_mode;
- unsigned int st_nlink;
- unsigned int st_uid;
- unsigned int st_gid;
-
- unsigned long st_rdev;
- unsigned long __pad1;
- long st_size;
- int st_blksize;
- int __pad2;
-
- long st_blocks;
- long st_atime;
- unsigned long st_atime_nsec;
- long st_mtime;
-
- unsigned long st_mtime_nsec;
- long st_ctime;
- unsigned long st_ctime_nsec;
- unsigned int __unused[2];
-};
-
-#elif defined(__mips__) && defined(_ABIO32)
-/* Syscalls for MIPS ABI O32 :
- * - WARNING! there's always a delayed slot!
- * - WARNING again, the syntax is different, registers take a '$' and numbers
- * do not.
- * - registers are 32-bit
- * - stack is 8-byte aligned
- * - syscall number is passed in v0 (starts at 0xfa0).
- * - arguments are in a0, a1, a2, a3, then the stack. The caller needs to
- * leave some room in the stack for the callee to save a0..a3 if needed.
- * - Many registers are clobbered, in fact only a0..a2 and s0..s8 are
- * preserved. See: https://www.linux-mips.org/wiki/Syscall as well as
- * scall32-o32.S in the kernel sources.
- * - the system call is performed by calling "syscall"
- * - syscall return comes in v0, and register a3 needs to be checked to know
- * if an error occured, in which case errno is in v0.
- * - the arguments are cast to long and assigned into the target registers
- * which are then simply passed as registers to the asm code, so that we
- * don't have to experience issues with register constraints.
- */
-
-#define my_syscall0(num) \
-({ \
- register long _num asm("v0") = (num); \
- register long _arg4 asm("a3"); \
- \
- asm volatile ( \
- "addiu $sp, $sp, -32\n" \
- "syscall\n" \
- "addiu $sp, $sp, 32\n" \
- : "=r"(_num), "=r"(_arg4) \
- : "r"(_num) \
- : "memory", "cc", "at", "v1", "hi", "lo", \
- \
- ); \
- _arg4 ? -_num : _num; \
-})
-
-#define my_syscall1(num, arg1) \
-({ \
- register long _num asm("v0") = (num); \
- register long _arg1 asm("a0") = (long)(arg1); \
- register long _arg4 asm("a3"); \
- \
- asm volatile ( \
- "addiu $sp, $sp, -32\n" \
- "syscall\n" \
- "addiu $sp, $sp, 32\n" \
- : "=r"(_num), "=r"(_arg4) \
- : "0"(_num), \
- "r"(_arg1) \
- : "memory", "cc", "at", "v1", "hi", "lo", \
- \
- ); \
- _arg4 ? -_num : _num; \
-})
-
-#define my_syscall2(num, arg1, arg2) \
-({ \
- register long _num asm("v0") = (num); \
- register long _arg1 asm("a0") = (long)(arg1); \
- register long _arg2 asm("a1") = (long)(arg2); \
- register long _arg4 asm("a3"); \
- \
- asm volatile ( \
- "addiu $sp, $sp, -32\n" \
- "syscall\n" \
- "addiu $sp, $sp, 32\n" \
- : "=r"(_num), "=r"(_arg4) \
- : "0"(_num), \
- "r"(_arg1), "r"(_arg2) \
- : "memory", "cc", "at", "v1", "hi", "lo", \
- \
- ); \
- _arg4 ? -_num : _num; \
-})
-
-#define my_syscall3(num, arg1, arg2, arg3) \
-({ \
- register long _num asm("v0") = (num); \
- register long _arg1 asm("a0") = (long)(arg1); \
- register long _arg2 asm("a1") = (long)(arg2); \
- register long _arg3 asm("a2") = (long)(arg3); \
- register long _arg4 asm("a3"); \
- \
- asm volatile ( \
- "addiu $sp, $sp, -32\n" \
- "syscall\n" \
- "addiu $sp, $sp, 32\n" \
- : "=r"(_num), "=r"(_arg4) \
- : "0"(_num), \
- "r"(_arg1), "r"(_arg2), "r"(_arg3) \
- : "memory", "cc", "at", "v1", "hi", "lo", \
- \
- ); \
- _arg4 ? -_num : _num; \
-})
-
-#define my_syscall4(num, arg1, arg2, arg3, arg4) \
-({ \
- register long _num asm("v0") = (num); \
- register long _arg1 asm("a0") = (long)(arg1); \
- register long _arg2 asm("a1") = (long)(arg2); \
- register long _arg3 asm("a2") = (long)(arg3); \
- register long _arg4 asm("a3") = (long)(arg4); \
- \
- asm volatile ( \
- "addiu $sp, $sp, -32\n" \
- "syscall\n" \
- "addiu $sp, $sp, 32\n" \
- : "=r" (_num), "=r"(_arg4) \
- : "0"(_num), \
- "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4) \
- : "memory", "cc", "at", "v1", "hi", "lo", \
- \
- ); \
- _arg4 ? -_num : _num; \
-})
-
-#define my_syscall5(num, arg1, arg2, arg3, arg4, arg5) \
-({ \
- register long _num asm("v0") = (num); \
- register long _arg1 asm("a0") = (long)(arg1); \
- register long _arg2 asm("a1") = (long)(arg2); \
- register long _arg3 asm("a2") = (long)(arg3); \
- register long _arg4 asm("a3") = (long)(arg4); \
- register long _arg5 = (long)(arg5); \
- \
- asm volatile ( \
- "addiu $sp, $sp, -32\n" \
- "sw %7, 16($sp)\n" \
- "syscall\n " \
- "addiu $sp, $sp, 32\n" \
- : "=r" (_num), "=r"(_arg4) \
- : "0"(_num), \
- "r"(_arg1), "r"(_arg2), "r"(_arg3), "r"(_arg4), "r"(_arg5) \
- : "memory", "cc", "at", "v1", "hi", "lo", \
- \
- ); \
- _arg4 ? -_num : _num; \
-})
-
-/* startup code, note that it's called __start on MIPS */
-asm(".section .text\n"
- ".set nomips16\n"
- ".global __start\n"
- ".set noreorder\n"
- ".option pic0\n"
- ".ent __start\n"
- "__start:\n"
- "lw $a0,($sp)\n" // argc was in the stack
- "addiu $a1, $sp, 4\n" // argv = sp + 4
- "sll $a2, $a0, 2\n" // a2 = argc * 4
- "add $a2, $a2, $a1\n" // envp = argv + 4*argc ...
- "addiu $a2, $a2, 4\n" // ... + 4
- "li $t0, -8\n"
- "and $sp, $sp, $t0\n" // sp must be 8-byte aligned
- "addiu $sp,$sp,-16\n" // the callee expects to save a0..a3 there!
- "jal main\n" // main() returns the status code, we'll exit with it.
- "nop\n" // delayed slot
- "and $a0, $v0, 0xff\n" // limit exit code to 8 bits
- "li $v0, 4001\n" // NR_exit == 4001
- "syscall\n"
- ".end __start\n"
- "");
-
-/* fcntl / open */
-#define O_RDONLY 0
-#define O_WRONLY 1
-#define O_RDWR 2
-#define O_APPEND 0x0008
-#define O_NONBLOCK 0x0080
-#define O_CREAT 0x0100
-#define O_TRUNC 0x0200
-#define O_EXCL 0x0400
-#define O_NOCTTY 0x0800
-#define O_DIRECTORY 0x10000
-
-/* The struct returned by the stat() syscall. 88 bytes are returned by the
- * syscall.
- */
-struct sys_stat_struct {
- unsigned int st_dev;
- long st_pad1[3];
- unsigned long st_ino;
- unsigned int st_mode;
- unsigned int st_nlink;
- unsigned int st_uid;
- unsigned int st_gid;
- unsigned int st_rdev;
- long st_pad2[2];
- long st_size;
- long st_pad3;
- long st_atime;
- long st_atime_nsec;
- long st_mtime;
- long st_mtime_nsec;
- long st_ctime;
- long st_ctime_nsec;
- long st_blksize;
- long st_blocks;
- long st_pad4[14];
-};
-
-#endif
-
-
-/* Below are the C functions used to declare the raw syscalls. They try to be
- * architecture-agnostic, and return either a success or -errno. Declaring them
- * static will lead to them being inlined in most cases, but it's still possible
- * to reference them by a pointer if needed.
- */
-static __attribute__((unused))
-void *sys_brk(void *addr)
-{
- return (void *)my_syscall1(__NR_brk, addr);
-}
-
-static __attribute__((noreturn,unused))
-void sys_exit(int status)
-{
- my_syscall1(__NR_exit, status & 255);
- while(1); // shut the "noreturn" warnings.
-}
-
-static __attribute__((unused))
-int sys_chdir(const char *path)
-{
- return my_syscall1(__NR_chdir, path);
-}
-
-static __attribute__((unused))
-int sys_chmod(const char *path, mode_t mode)
-{
-#ifdef __NR_fchmodat
- return my_syscall4(__NR_fchmodat, AT_FDCWD, path, mode, 0);
-#else
- return my_syscall2(__NR_chmod, path, mode);
-#endif
-}
-
-static __attribute__((unused))
-int sys_chown(const char *path, uid_t owner, gid_t group)
-{
-#ifdef __NR_fchownat
- return my_syscall5(__NR_fchownat, AT_FDCWD, path, owner, group, 0);
-#else
- return my_syscall3(__NR_chown, path, owner, group);
-#endif
-}
-
-static __attribute__((unused))
-int sys_chroot(const char *path)
-{
- return my_syscall1(__NR_chroot, path);
-}
-
-static __attribute__((unused))
-int sys_close(int fd)
-{
- return my_syscall1(__NR_close, fd);
-}
-
-static __attribute__((unused))
-int sys_dup(int fd)
-{
- return my_syscall1(__NR_dup, fd);
-}
-
-static __attribute__((unused))
-int sys_dup2(int old, int new)
-{
- return my_syscall2(__NR_dup2, old, new);
-}
-
-static __attribute__((unused))
-int sys_execve(const char *filename, char *const argv[], char *const envp[])
-{
- return my_syscall3(__NR_execve, filename, argv, envp);
-}
-
-static __attribute__((unused))
-pid_t sys_fork(void)
-{
- return my_syscall0(__NR_fork);
-}
-
-static __attribute__((unused))
-int sys_fsync(int fd)
-{
- return my_syscall1(__NR_fsync, fd);
-}
-
-static __attribute__((unused))
-int sys_getdents64(int fd, struct linux_dirent64 *dirp, int count)
-{
- return my_syscall3(__NR_getdents64, fd, dirp, count);
-}
-
-static __attribute__((unused))
-pid_t sys_getpgrp(void)
-{
- return my_syscall0(__NR_getpgrp);
-}
-
-static __attribute__((unused))
-pid_t sys_getpid(void)
-{
- return my_syscall0(__NR_getpid);
-}
-
-static __attribute__((unused))
-int sys_gettimeofday(struct timeval *tv, struct timezone *tz)
-{
- return my_syscall2(__NR_gettimeofday, tv, tz);
-}
-
-static __attribute__((unused))
-int sys_ioctl(int fd, unsigned long req, void *value)
-{
- return my_syscall3(__NR_ioctl, fd, req, value);
-}
-
-static __attribute__((unused))
-int sys_kill(pid_t pid, int signal)
-{
- return my_syscall2(__NR_kill, pid, signal);
-}
-
-static __attribute__((unused))
-int sys_link(const char *old, const char *new)
-{
-#ifdef __NR_linkat
- return my_syscall5(__NR_linkat, AT_FDCWD, old, AT_FDCWD, new, 0);
-#else
- return my_syscall2(__NR_link, old, new);
-#endif
-}
-
-static __attribute__((unused))
-off_t sys_lseek(int fd, off_t offset, int whence)
-{
- return my_syscall3(__NR_lseek, fd, offset, whence);
-}
-
-static __attribute__((unused))
-int sys_mkdir(const char *path, mode_t mode)
-{
-#ifdef __NR_mkdirat
- return my_syscall3(__NR_mkdirat, AT_FDCWD, path, mode);
-#else
- return my_syscall2(__NR_mkdir, path, mode);
-#endif
-}
-
-static __attribute__((unused))
-long sys_mknod(const char *path, mode_t mode, dev_t dev)
-{
-#ifdef __NR_mknodat
- return my_syscall4(__NR_mknodat, AT_FDCWD, path, mode, dev);
-#else
- return my_syscall3(__NR_mknod, path, mode, dev);
-#endif
-}
-
-static __attribute__((unused))
-int sys_mount(const char *src, const char *tgt, const char *fst,
- unsigned long flags, const void *data)
-{
- return my_syscall5(__NR_mount, src, tgt, fst, flags, data);
-}
-
-static __attribute__((unused))
-int sys_open(const char *path, int flags, mode_t mode)
-{
-#ifdef __NR_openat
- return my_syscall4(__NR_openat, AT_FDCWD, path, flags, mode);
-#else
- return my_syscall3(__NR_open, path, flags, mode);
-#endif
-}
-
-static __attribute__((unused))
-int sys_pivot_root(const char *new, const char *old)
-{
- return my_syscall2(__NR_pivot_root, new, old);
-}
-
-static __attribute__((unused))
-int sys_poll(struct pollfd *fds, int nfds, int timeout)
-{
- return my_syscall3(__NR_poll, fds, nfds, timeout);
-}
-
-static __attribute__((unused))
-ssize_t sys_read(int fd, void *buf, size_t count)
-{
- return my_syscall3(__NR_read, fd, buf, count);
-}
-
-static __attribute__((unused))
-ssize_t sys_reboot(int magic1, int magic2, int cmd, void *arg)
-{
- return my_syscall4(__NR_reboot, magic1, magic2, cmd, arg);
-}
-
-static __attribute__((unused))
-int sys_sched_yield(void)
-{
- return my_syscall0(__NR_sched_yield);
-}
-
-static __attribute__((unused))
-int sys_select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *timeout)
-{
-#if defined(__ARCH_WANT_SYS_OLD_SELECT) && !defined(__NR__newselect)
- struct sel_arg_struct {
- unsigned long n;
- fd_set *r, *w, *e;
- struct timeval *t;
- } arg = { .n = nfds, .r = rfds, .w = wfds, .e = efds, .t = timeout };
- return my_syscall1(__NR_select, &arg);
-#elif defined(__ARCH_WANT_SYS_PSELECT6) && defined(__NR_pselect6)
- struct timespec t;
-
- if (timeout) {
- t.tv_sec = timeout->tv_sec;
- t.tv_nsec = timeout->tv_usec * 1000;
- }
- return my_syscall6(__NR_pselect6, nfds, rfds, wfds, efds, timeout ? &t : NULL, NULL);
-#else
-#ifndef __NR__newselect
-#define __NR__newselect __NR_select
-#endif
- return my_syscall5(__NR__newselect, nfds, rfds, wfds, efds, timeout);
-#endif
-}
-
-static __attribute__((unused))
-int sys_setpgid(pid_t pid, pid_t pgid)
-{
- return my_syscall2(__NR_setpgid, pid, pgid);
-}
-
-static __attribute__((unused))
-pid_t sys_setsid(void)
-{
- return my_syscall0(__NR_setsid);
-}
-
-static __attribute__((unused))
-int sys_stat(const char *path, struct stat *buf)
-{
- struct sys_stat_struct stat;
- long ret;
-
-#ifdef __NR_newfstatat
- /* only solution for arm64 */
- ret = my_syscall4(__NR_newfstatat, AT_FDCWD, path, &stat, 0);
-#else
- ret = my_syscall2(__NR_stat, path, &stat);
-#endif
- buf->st_dev = stat.st_dev;
- buf->st_ino = stat.st_ino;
- buf->st_mode = stat.st_mode;
- buf->st_nlink = stat.st_nlink;
- buf->st_uid = stat.st_uid;
- buf->st_gid = stat.st_gid;
- buf->st_rdev = stat.st_rdev;
- buf->st_size = stat.st_size;
- buf->st_blksize = stat.st_blksize;
- buf->st_blocks = stat.st_blocks;
- buf->st_atime = stat.st_atime;
- buf->st_mtime = stat.st_mtime;
- buf->st_ctime = stat.st_ctime;
- return ret;
-}
-
-
-static __attribute__((unused))
-int sys_symlink(const char *old, const char *new)
-{
-#ifdef __NR_symlinkat
- return my_syscall3(__NR_symlinkat, old, AT_FDCWD, new);
-#else
- return my_syscall2(__NR_symlink, old, new);
-#endif
-}
-
-static __attribute__((unused))
-mode_t sys_umask(mode_t mode)
-{
- return my_syscall1(__NR_umask, mode);
-}
-
-static __attribute__((unused))
-int sys_umount2(const char *path, int flags)
-{
- return my_syscall2(__NR_umount2, path, flags);
-}
-
-static __attribute__((unused))
-int sys_unlink(const char *path)
-{
-#ifdef __NR_unlinkat
- return my_syscall3(__NR_unlinkat, AT_FDCWD, path, 0);
-#else
- return my_syscall1(__NR_unlink, path);
-#endif
-}
-
-static __attribute__((unused))
-pid_t sys_wait4(pid_t pid, int *status, int options, struct rusage *rusage)
-{
- return my_syscall4(__NR_wait4, pid, status, options, rusage);
-}
-
-static __attribute__((unused))
-pid_t sys_waitpid(pid_t pid, int *status, int options)
-{
- return sys_wait4(pid, status, options, 0);
-}
-
-static __attribute__((unused))
-pid_t sys_wait(int *status)
-{
- return sys_waitpid(-1, status, 0);
-}
-
-static __attribute__((unused))
-ssize_t sys_write(int fd, const void *buf, size_t count)
-{
- return my_syscall3(__NR_write, fd, buf, count);
-}
-
-
-/* Below are the libc-compatible syscalls which return x or -1 and set errno.
- * They rely on the functions above. Similarly they're marked static so that it
- * is possible to assign pointers to them if needed.
- */
-
-static __attribute__((unused))
-int brk(void *addr)
-{
- void *ret = sys_brk(addr);
-
- if (!ret) {
- SET_ERRNO(ENOMEM);
- return -1;
- }
- return 0;
-}
-
-static __attribute__((noreturn,unused))
-void exit(int status)
-{
- sys_exit(status);
-}
-
-static __attribute__((unused))
-int chdir(const char *path)
-{
- int ret = sys_chdir(path);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int chmod(const char *path, mode_t mode)
-{
- int ret = sys_chmod(path, mode);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int chown(const char *path, uid_t owner, gid_t group)
-{
- int ret = sys_chown(path, owner, group);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int chroot(const char *path)
-{
- int ret = sys_chroot(path);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int close(int fd)
-{
- int ret = sys_close(fd);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int dup2(int old, int new)
-{
- int ret = sys_dup2(old, new);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int execve(const char *filename, char *const argv[], char *const envp[])
-{
- int ret = sys_execve(filename, argv, envp);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-pid_t fork(void)
-{
- pid_t ret = sys_fork();
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int fsync(int fd)
-{
- int ret = sys_fsync(fd);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int getdents64(int fd, struct linux_dirent64 *dirp, int count)
-{
- int ret = sys_getdents64(fd, dirp, count);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-pid_t getpgrp(void)
-{
- pid_t ret = sys_getpgrp();
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-pid_t getpid(void)
-{
- pid_t ret = sys_getpid();
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int gettimeofday(struct timeval *tv, struct timezone *tz)
-{
- int ret = sys_gettimeofday(tv, tz);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int ioctl(int fd, unsigned long req, void *value)
-{
- int ret = sys_ioctl(fd, req, value);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int kill(pid_t pid, int signal)
-{
- int ret = sys_kill(pid, signal);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int link(const char *old, const char *new)
-{
- int ret = sys_link(old, new);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-off_t lseek(int fd, off_t offset, int whence)
-{
- off_t ret = sys_lseek(fd, offset, whence);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int mkdir(const char *path, mode_t mode)
-{
- int ret = sys_mkdir(path, mode);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int mknod(const char *path, mode_t mode, dev_t dev)
-{
- int ret = sys_mknod(path, mode, dev);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int mount(const char *src, const char *tgt,
- const char *fst, unsigned long flags,
- const void *data)
-{
- int ret = sys_mount(src, tgt, fst, flags, data);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int open(const char *path, int flags, mode_t mode)
-{
- int ret = sys_open(path, flags, mode);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int pivot_root(const char *new, const char *old)
-{
- int ret = sys_pivot_root(new, old);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int poll(struct pollfd *fds, int nfds, int timeout)
-{
- int ret = sys_poll(fds, nfds, timeout);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-ssize_t read(int fd, void *buf, size_t count)
-{
- ssize_t ret = sys_read(fd, buf, count);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int reboot(int cmd)
-{
- int ret = sys_reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, 0);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-void *sbrk(intptr_t inc)
-{
- void *ret;
-
- /* first call to find current end */
- if ((ret = sys_brk(0)) && (sys_brk(ret + inc) == ret + inc))
- return ret + inc;
-
- SET_ERRNO(ENOMEM);
- return (void *)-1;
-}
-
-static __attribute__((unused))
-int sched_yield(void)
-{
- int ret = sys_sched_yield();
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *timeout)
-{
- int ret = sys_select(nfds, rfds, wfds, efds, timeout);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int setpgid(pid_t pid, pid_t pgid)
-{
- int ret = sys_setpgid(pid, pgid);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-pid_t setsid(void)
-{
- pid_t ret = sys_setsid();
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-unsigned int sleep(unsigned int seconds)
-{
- struct timeval my_timeval = { seconds, 0 };
-
- if (sys_select(0, 0, 0, 0, &my_timeval) < 0)
- return my_timeval.tv_sec + !!my_timeval.tv_usec;
- else
- return 0;
-}
-
-static __attribute__((unused))
-int stat(const char *path, struct stat *buf)
-{
- int ret = sys_stat(path, buf);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int symlink(const char *old, const char *new)
-{
- int ret = sys_symlink(old, new);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int tcsetpgrp(int fd, pid_t pid)
-{
- return ioctl(fd, TIOCSPGRP, &pid);
-}
-
-static __attribute__((unused))
-mode_t umask(mode_t mode)
-{
- return sys_umask(mode);
-}
-
-static __attribute__((unused))
-int umount2(const char *path, int flags)
-{
- int ret = sys_umount2(path, flags);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-int unlink(const char *path)
-{
- int ret = sys_unlink(path);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-pid_t wait4(pid_t pid, int *status, int options, struct rusage *rusage)
-{
- pid_t ret = sys_wait4(pid, status, options, rusage);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-pid_t waitpid(pid_t pid, int *status, int options)
-{
- pid_t ret = sys_waitpid(pid, status, options);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-pid_t wait(int *status)
-{
- pid_t ret = sys_wait(status);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-static __attribute__((unused))
-ssize_t write(int fd, const void *buf, size_t count)
-{
- ssize_t ret = sys_write(fd, buf, count);
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
-}
-
-/* some size-optimized reimplementations of a few common str* and mem*
- * functions. They're marked static, except memcpy() and raise() which are used
- * by libgcc on ARM, so they are marked weak instead in order not to cause an
- * error when building a program made of multiple files (not recommended).
- */
-
-static __attribute__((unused))
-void *memmove(void *dst, const void *src, size_t len)
-{
- ssize_t pos = (dst <= src) ? -1 : (long)len;
- void *ret = dst;
-
- while (len--) {
- pos += (dst <= src) ? 1 : -1;
- ((char *)dst)[pos] = ((char *)src)[pos];
- }
- return ret;
-}
-
-static __attribute__((unused))
-void *memset(void *dst, int b, size_t len)
-{
- char *p = dst;
-
- while (len--)
- *(p++) = b;
- return dst;
-}
-
-static __attribute__((unused))
-int memcmp(const void *s1, const void *s2, size_t n)
-{
- size_t ofs = 0;
- char c1 = 0;
-
- while (ofs < n && !(c1 = ((char *)s1)[ofs] - ((char *)s2)[ofs])) {
- ofs++;
- }
- return c1;
-}
-
-static __attribute__((unused))
-char *strcpy(char *dst, const char *src)
-{
- char *ret = dst;
-
- while ((*dst++ = *src++));
- return ret;
-}
-
-static __attribute__((unused))
-char *strchr(const char *s, int c)
-{
- while (*s) {
- if (*s == (char)c)
- return (char *)s;
- s++;
- }
- return NULL;
-}
-
-static __attribute__((unused))
-char *strrchr(const char *s, int c)
-{
- const char *ret = NULL;
-
- while (*s) {
- if (*s == (char)c)
- ret = s;
- s++;
- }
- return (char *)ret;
-}
-
-static __attribute__((unused))
-size_t nolibc_strlen(const char *str)
-{
- size_t len;
-
- for (len = 0; str[len]; len++);
- return len;
-}
-
-#define strlen(str) ({ \
- __builtin_constant_p((str)) ? \
- __builtin_strlen((str)) : \
- nolibc_strlen((str)); \
-})
-
-static __attribute__((unused))
-int isdigit(int c)
-{
- return (unsigned int)(c - '0') <= 9;
-}
-
-static __attribute__((unused))
-long atol(const char *s)
-{
- unsigned long ret = 0;
- unsigned long d;
- int neg = 0;
-
- if (*s == '-') {
- neg = 1;
- s++;
- }
-
- while (1) {
- d = (*s++) - '0';
- if (d > 9)
- break;
- ret *= 10;
- ret += d;
- }
-
- return neg ? -ret : ret;
-}
-
-static __attribute__((unused))
-int atoi(const char *s)
-{
- return atol(s);
-}
-
-static __attribute__((unused))
-const char *ltoa(long in)
-{
- /* large enough for -9223372036854775808 */
- static char buffer[21];
- char *pos = buffer + sizeof(buffer) - 1;
- int neg = in < 0;
- unsigned long n = neg ? -in : in;
-
- *pos-- = '\0';
- do {
- *pos-- = '0' + n % 10;
- n /= 10;
- if (pos < buffer)
- return pos + 1;
- } while (n);
-
- if (neg)
- *pos-- = '-';
- return pos + 1;
-}
-
-__attribute__((weak,unused))
-void *memcpy(void *dst, const void *src, size_t len)
-{
- return memmove(dst, src, len);
-}
-
-/* needed by libgcc for divide by zero */
-__attribute__((weak,unused))
-int raise(int signal)
-{
- return kill(getpid(), signal);
-}
-
-/* Here come a few helper functions */
-
-static __attribute__((unused))
-void FD_ZERO(fd_set *set)
-{
- memset(set, 0, sizeof(*set));
-}
-
-static __attribute__((unused))
-void FD_SET(int fd, fd_set *set)
-{
- if (fd < 0 || fd >= FD_SETSIZE)
- return;
- set->fd32[fd / 32] |= 1 << (fd & 31);
-}
-
-/* WARNING, it only deals with the 4096 first majors and 256 first minors */
-static __attribute__((unused))
-dev_t makedev(unsigned int major, unsigned int minor)
-{
- return ((major & 0xfff) << 8) | (minor & 0xff);
-}
diff --git a/tools/testing/selftests/rcutorture/bin/parse-build.sh b/tools/testing/selftests/rcutorture/bin/parse-build.sh
index 24fe5f822b28..09155c15ea65 100755
--- a/tools/testing/selftests/rcutorture/bin/parse-build.sh
+++ b/tools/testing/selftests/rcutorture/bin/parse-build.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Check the build output from an rcutorture run for goodness.
# The "file" is a pathname on the local system, and "title" is
@@ -8,23 +9,9 @@
#
# Usage: parse-build.sh file title
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2011
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
F=$1
title=$2
@@ -34,7 +21,7 @@ mkdir $T
. functions.sh
-if grep -q CC < $F
+if grep -q CC < $F || test -n "$TORTURE_TRUST_MAKE"
then
:
else
diff --git a/tools/testing/selftests/rcutorture/bin/parse-console.sh b/tools/testing/selftests/rcutorture/bin/parse-console.sh
index 84933f6aed77..4bf62d7b1cbc 100755
--- a/tools/testing/selftests/rcutorture/bin/parse-console.sh
+++ b/tools/testing/selftests/rcutorture/bin/parse-console.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Check the console output from an rcutorture run for oopses.
# The "file" is a pathname on the local system, and "title" is
@@ -6,23 +7,9 @@
#
# Usage: parse-console.sh file title
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2011
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
T=${TMPDIR-/tmp}/parse-console.sh.$$
file="$1"
@@ -119,6 +106,7 @@ fi | tee -a $file.diags
egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state|rcu_.*kthread starved for' < $file |
grep -v 'ODEBUG: ' |
+grep -v 'This means that this is a DEBUG kernel and it is' |
grep -v 'Warning: unable to open an initial console' > $T.diags
if test -s $T.diags
then
diff --git a/tools/testing/selftests/rcutorture/configs/lock/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/lock/ver_functions.sh
index 80eb646e1319..d3e4b2971f92 100644
--- a/tools/testing/selftests/rcutorture/configs/lock/ver_functions.sh
+++ b/tools/testing/selftests/rcutorture/configs/lock/ver_functions.sh
@@ -1,24 +1,11 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Kernel-version-dependent shell functions for the rest of the scripts.
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2014
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
# locktorture_param_onoff bootparam-string config-file
#
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon
index d2d2a86139db..e19a444a0684 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon
@@ -1,2 +1,5 @@
CONFIG_RCU_TORTURE_TEST=y
CONFIG_PRINTK_TIME=y
+CONFIG_HYPERVISOR_GUEST=y
+CONFIG_PARAVIRT=y
+CONFIG_KVM_GUEST=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot
index ea47da95374b..d6da9a61d44a 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot
@@ -3,3 +3,4 @@ rcutree.gp_preinit_delay=3
rcutree.gp_init_delay=3
rcutree.gp_cleanup_delay=3
rcu_nocbs=0
+rcutorture.fwd_progress=0
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TRIVIAL b/tools/testing/selftests/rcutorture/configs/rcu/TRIVIAL
new file mode 100644
index 000000000000..4d8eb5bfb6f6
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRIVIAL
@@ -0,0 +1,14 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=8
+CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=n
+CONFIG_HZ_PERIODIC=n
+CONFIG_NO_HZ_IDLE=y
+CONFIG_NO_HZ_FULL=n
+CONFIG_HOTPLUG_CPU=n
+CONFIG_SUSPEND=n
+CONFIG_HIBERNATION=n
+CONFIG_DEBUG_LOCK_ALLOC=n
+CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
+CONFIG_RCU_EXPERT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TRIVIAL.boot b/tools/testing/selftests/rcutorture/configs/rcu/TRIVIAL.boot
new file mode 100644
index 000000000000..7017f5f5a55f
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRIVIAL.boot
@@ -0,0 +1,3 @@
+rcutorture.torture_type=trivial
+rcutorture.onoff_interval=0
+rcutorture.shuffle_interval=0
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcu/ver_functions.sh
index 7bab8246392b..effa415f9b92 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/ver_functions.sh
+++ b/tools/testing/selftests/rcutorture/configs/rcu/ver_functions.sh
@@ -1,24 +1,11 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Kernel-version-dependent shell functions for the rest of the scripts.
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2013
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
# rcutorture_param_n_barrier_cbs bootparam-string
#
diff --git a/tools/testing/selftests/rcutorture/configs/rcuperf/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcuperf/ver_functions.sh
index d36b8fd6f0fc..777d5b0c190f 100644
--- a/tools/testing/selftests/rcutorture/configs/rcuperf/ver_functions.sh
+++ b/tools/testing/selftests/rcutorture/configs/rcuperf/ver_functions.sh
@@ -1,24 +1,11 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
#
# Torture-suite-dependent shell functions for the rest of the scripts.
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
# Copyright (C) IBM Corporation, 2015
#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
# per_version_boot_params bootparam-string config-file seconds
#
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/types.h b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/types.h
index d27285f8ee82..8bc960e5e713 100644
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/types.h
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/types.h
@@ -59,11 +59,7 @@ typedef __u32 uint32_t;
*
* blkcnt_t is the type of the inode's block count.
*/
-#ifdef CONFIG_LBDAF
typedef u64 sector_t;
-#else
-typedef unsigned long sector_t;
-#endif
/*
* The type of an index into the pagecache.
diff --git a/tools/testing/selftests/rseq/Makefile b/tools/testing/selftests/rseq/Makefile
index c30c52e1d0d2..d6469535630a 100644
--- a/tools/testing/selftests/rseq/Makefile
+++ b/tools/testing/selftests/rseq/Makefile
@@ -1,5 +1,11 @@
# SPDX-License-Identifier: GPL-2.0+ OR MIT
-CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/ -L./ -Wl,-rpath=./
+
+ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
+CLANG_FLAGS += -no-integrated-as
+endif
+
+CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/ -L./ -Wl,-rpath=./ \
+ $(CLANG_FLAGS)
LDLIBS += -lpthread
# Own dependencies because we only want to build against 1st prerequisite, but
diff --git a/tools/testing/selftests/rseq/rseq-arm.h b/tools/testing/selftests/rseq/rseq-arm.h
index 3cea19877227..5943c816c07c 100644
--- a/tools/testing/selftests/rseq/rseq-arm.h
+++ b/tools/testing/selftests/rseq/rseq-arm.h
@@ -5,7 +5,60 @@
* (C) Copyright 2016-2018 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
-#define RSEQ_SIG 0x53053053
+/*
+ * - ARM little endian
+ *
+ * RSEQ_SIG uses the udf A32 instruction with an uncommon immediate operand
+ * value 0x5de3. This traps if user-space reaches this instruction by mistake,
+ * and the uncommon operand ensures the kernel does not move the instruction
+ * pointer to attacker-controlled code on rseq abort.
+ *
+ * The instruction pattern in the A32 instruction set is:
+ *
+ * e7f5def3 udf #24035 ; 0x5de3
+ *
+ * This translates to the following instruction pattern in the T16 instruction
+ * set:
+ *
+ * little endian:
+ * def3 udf #243 ; 0xf3
+ * e7f5 b.n <7f5>
+ *
+ * - ARMv6+ big endian (BE8):
+ *
+ * ARMv6+ -mbig-endian generates mixed endianness code vs data: little-endian
+ * code and big-endian data. The data value of the signature needs to have its
+ * byte order reversed to generate the trap instruction:
+ *
+ * Data: 0xf3def5e7
+ *
+ * Translates to this A32 instruction pattern:
+ *
+ * e7f5def3 udf #24035 ; 0x5de3
+ *
+ * Translates to this T16 instruction pattern:
+ *
+ * def3 udf #243 ; 0xf3
+ * e7f5 b.n <7f5>
+ *
+ * - Prior to ARMv6 big endian (BE32):
+ *
+ * Prior to ARMv6, -mbig-endian generates big-endian code and data
+ * (which match), so the endianness of the data representation of the
+ * signature should not be reversed. However, the choice between BE32
+ * and BE8 is done by the linker, so we cannot know whether code and
+ * data endianness will be mixed before the linker is invoked. So rather
+ * than try to play tricks with the linker, the rseq signature is simply
+ * data (not a trap instruction) prior to ARMv6 on big endian. This is
+ * why the signature is expressed as data (.word) rather than as
+ * instruction (.inst) in assembler.
+ */
+
+#ifdef __ARMEB__
+#define RSEQ_SIG 0xf3def5e7 /* udf #24035 ; 0x5de3 (ARMv6+) */
+#else
+#define RSEQ_SIG 0xe7f5def3 /* udf #24035 ; 0x5de3 */
+#endif
#define rseq_smp_mb() __asm__ __volatile__ ("dmb" ::: "memory", "cc")
#define rseq_smp_rmb() __asm__ __volatile__ ("dmb" ::: "memory", "cc")
@@ -30,18 +83,35 @@ do { \
#include "rseq-skip.h"
#else /* !RSEQ_SKIP_FASTPATH */
-#define __RSEQ_ASM_DEFINE_TABLE(version, flags, start_ip, \
+#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, start_ip, \
post_commit_offset, abort_ip) \
- ".pushsection __rseq_table, \"aw\"\n\t" \
+ ".pushsection __rseq_cs, \"aw\"\n\t" \
".balign 32\n\t" \
+ __rseq_str(label) ":\n\t" \
".word " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
".word " __rseq_str(start_ip) ", 0x0, " __rseq_str(post_commit_offset) ", 0x0, " __rseq_str(abort_ip) ", 0x0\n\t" \
+ ".popsection\n\t" \
+ ".pushsection __rseq_cs_ptr_array, \"aw\"\n\t" \
+ ".word " __rseq_str(label) "b, 0x0\n\t" \
".popsection\n\t"
-#define RSEQ_ASM_DEFINE_TABLE(start_ip, post_commit_ip, abort_ip) \
- __RSEQ_ASM_DEFINE_TABLE(0x0, 0x0, start_ip, \
+#define RSEQ_ASM_DEFINE_TABLE(label, start_ip, post_commit_ip, abort_ip) \
+ __RSEQ_ASM_DEFINE_TABLE(label, 0x0, 0x0, start_ip, \
(post_commit_ip - start_ip), abort_ip)
+/*
+ * Exit points of a rseq critical section consist of all instructions outside
+ * of the critical section where a critical section can either branch to or
+ * reach through the normal course of its execution. The abort IP and the
+ * post-commit IP are already part of the __rseq_cs section and should not be
+ * explicitly defined as additional exit points. Knowing all exit points is
+ * useful to assist debuggers stepping over the critical section.
+ */
+#define RSEQ_ASM_DEFINE_EXIT_POINT(start_ip, exit_ip) \
+ ".pushsection __rseq_exit_point_array, \"aw\"\n\t" \
+ ".word " __rseq_str(start_ip) ", 0x0, " __rseq_str(exit_ip) ", 0x0\n\t" \
+ ".popsection\n\t"
+
#define RSEQ_ASM_STORE_RSEQ_CS(label, cs_label, rseq_cs) \
RSEQ_INJECT_ASM(1) \
"adr r0, " __rseq_str(cs_label) "\n\t" \
@@ -86,7 +156,12 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -148,7 +223,12 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -214,7 +294,10 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -266,7 +349,12 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -336,7 +424,12 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -407,7 +500,13 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error3])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -485,7 +584,12 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
"str %[src], %[rseq_scratch0]\n\t"
"str %[dst], %[rseq_scratch1]\n\t"
"str %[len], %[rseq_scratch2]\n\t"
@@ -604,7 +708,12 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
"str %[src], %[rseq_scratch0]\n\t"
"str %[dst], %[rseq_scratch1]\n\t"
"str %[len], %[rseq_scratch2]\n\t"
diff --git a/tools/testing/selftests/rseq/rseq-arm64.h b/tools/testing/selftests/rseq/rseq-arm64.h
index 954f34671ca6..200dae9e4208 100644
--- a/tools/testing/selftests/rseq/rseq-arm64.h
+++ b/tools/testing/selftests/rseq/rseq-arm64.h
@@ -6,7 +6,20 @@
* (C) Copyright 2018 - Will Deacon <will.deacon@arm.com>
*/
-#define RSEQ_SIG 0xd428bc00 /* BRK #0x45E0 */
+/*
+ * aarch64 -mbig-endian generates mixed endianness code vs data:
+ * little-endian code and big-endian data. Ensure the RSEQ_SIG signature
+ * matches code endianness.
+ */
+#define RSEQ_SIG_CODE 0xd428bc00 /* BRK #0x45E0. */
+
+#ifdef __AARCH64EB__
+#define RSEQ_SIG_DATA 0x00bc28d4 /* BRK #0x45E0. */
+#else
+#define RSEQ_SIG_DATA RSEQ_SIG_CODE
+#endif
+
+#define RSEQ_SIG RSEQ_SIG_DATA
#define rseq_smp_mb() __asm__ __volatile__ ("dmb ish" ::: "memory")
#define rseq_smp_rmb() __asm__ __volatile__ ("dmb ishld" ::: "memory")
@@ -82,19 +95,35 @@ do { \
#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, start_ip, \
post_commit_offset, abort_ip) \
- " .pushsection __rseq_table, \"aw\"\n" \
+ " .pushsection __rseq_cs, \"aw\"\n" \
" .balign 32\n" \
__rseq_str(label) ":\n" \
" .long " __rseq_str(version) ", " __rseq_str(flags) "\n" \
" .quad " __rseq_str(start_ip) ", " \
__rseq_str(post_commit_offset) ", " \
__rseq_str(abort_ip) "\n" \
+ " .popsection\n\t" \
+ " .pushsection __rseq_cs_ptr_array, \"aw\"\n" \
+ " .quad " __rseq_str(label) "b\n" \
" .popsection\n"
#define RSEQ_ASM_DEFINE_TABLE(label, start_ip, post_commit_ip, abort_ip) \
__RSEQ_ASM_DEFINE_TABLE(label, 0x0, 0x0, start_ip, \
(post_commit_ip - start_ip), abort_ip)
+/*
+ * Exit points of a rseq critical section consist of all instructions outside
+ * of the critical section where a critical section can either branch to or
+ * reach through the normal course of its execution. The abort IP and the
+ * post-commit IP are already part of the __rseq_cs section and should not be
+ * explicitly defined as additional exit points. Knowing all exit points is
+ * useful to assist debuggers stepping over the critical section.
+ */
+#define RSEQ_ASM_DEFINE_EXIT_POINT(start_ip, exit_ip) \
+ " .pushsection __rseq_exit_point_array, \"aw\"\n" \
+ " .quad " __rseq_str(start_ip) ", " __rseq_str(exit_ip) "\n" \
+ " .popsection\n"
+
#define RSEQ_ASM_STORE_RSEQ_CS(label, cs_label, rseq_cs) \
RSEQ_INJECT_ASM(1) \
" adrp " RSEQ_ASM_TMP_REG ", " __rseq_str(cs_label) "\n" \
@@ -105,7 +134,7 @@ do { \
#define RSEQ_ASM_DEFINE_ABORT(label, abort_label) \
" b 222f\n" \
- " .inst " __rseq_str(RSEQ_SIG) "\n" \
+ " .inst " __rseq_str(RSEQ_SIG_CODE) "\n" \
__rseq_str(label) ":\n" \
" b %l[" __rseq_str(abort_label) "]\n" \
"222:\n"
@@ -182,6 +211,11 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
RSEQ_INJECT_ASM(3)
@@ -231,6 +265,11 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
RSEQ_INJECT_ASM(3)
@@ -282,6 +321,9 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+#endif
RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
RSEQ_INJECT_ASM(3)
@@ -325,6 +367,11 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
RSEQ_INJECT_ASM(3)
@@ -379,6 +426,11 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
RSEQ_INJECT_ASM(3)
@@ -433,6 +485,12 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error3])
+#endif
RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
RSEQ_INJECT_ASM(3)
@@ -490,6 +548,11 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
RSEQ_INJECT_ASM(3)
@@ -545,6 +608,11 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
+#endif
RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
RSEQ_INJECT_ASM(3)
diff --git a/tools/testing/selftests/rseq/rseq-mips.h b/tools/testing/selftests/rseq/rseq-mips.h
index 7f48ecf46994..e989e7c14b09 100644
--- a/tools/testing/selftests/rseq/rseq-mips.h
+++ b/tools/testing/selftests/rseq/rseq-mips.h
@@ -7,7 +7,39 @@
* (C) Copyright 2016-2018 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
-#define RSEQ_SIG 0x53053053
+/*
+ * RSEQ_SIG uses the break instruction. The instruction pattern is:
+ *
+ * On MIPS:
+ * 0350000d break 0x350
+ *
+ * On nanoMIPS:
+ * 00100350 break 0x350
+ *
+ * On microMIPS:
+ * 0000d407 break 0x350
+ *
+ * For nanoMIPS32 and microMIPS, the instruction stream is encoded as 16-bit
+ * halfwords, so the signature halfwords need to be swapped accordingly for
+ * little-endian.
+ */
+#if defined(__nanomips__)
+# ifdef __MIPSEL__
+# define RSEQ_SIG 0x03500010
+# else
+# define RSEQ_SIG 0x00100350
+# endif
+#elif defined(__mips_micromips)
+# ifdef __MIPSEL__
+# define RSEQ_SIG 0xd4070000
+# else
+# define RSEQ_SIG 0x0000d407
+# endif
+#elif defined(__mips__)
+# define RSEQ_SIG 0x0350000d
+#else
+/* Unknown MIPS architecture. */
+#endif
#define rseq_smp_mb() __asm__ __volatile__ ("sync" ::: "memory")
#define rseq_smp_rmb() rseq_smp_mb()
@@ -54,20 +86,38 @@ do { \
# error unsupported _MIPS_SZLONG
#endif
-#define __RSEQ_ASM_DEFINE_TABLE(version, flags, start_ip, \
+#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, start_ip, \
post_commit_offset, abort_ip) \
- ".pushsection __rseq_table, \"aw\"\n\t" \
+ ".pushsection __rseq_cs, \"aw\"\n\t" \
".balign 32\n\t" \
+ __rseq_str(label) ":\n\t" \
".word " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
LONG " " U32_U64_PAD(__rseq_str(start_ip)) "\n\t" \
LONG " " U32_U64_PAD(__rseq_str(post_commit_offset)) "\n\t" \
LONG " " U32_U64_PAD(__rseq_str(abort_ip)) "\n\t" \
+ ".popsection\n\t" \
+ ".pushsection __rseq_cs_ptr_array, \"aw\"\n\t" \
+ LONG " " U32_U64_PAD(__rseq_str(label) "b") "\n\t" \
".popsection\n\t"
-#define RSEQ_ASM_DEFINE_TABLE(start_ip, post_commit_ip, abort_ip) \
- __RSEQ_ASM_DEFINE_TABLE(0x0, 0x0, start_ip, \
+#define RSEQ_ASM_DEFINE_TABLE(label, start_ip, post_commit_ip, abort_ip) \
+ __RSEQ_ASM_DEFINE_TABLE(label, 0x0, 0x0, start_ip, \
(post_commit_ip - start_ip), abort_ip)
+/*
+ * Exit points of a rseq critical section consist of all instructions outside
+ * of the critical section where a critical section can either branch to or
+ * reach through the normal course of its execution. The abort IP and the
+ * post-commit IP are already part of the __rseq_cs section and should not be
+ * explicitly defined as additional exit points. Knowing all exit points is
+ * useful to assist debuggers stepping over the critical section.
+ */
+#define RSEQ_ASM_DEFINE_EXIT_POINT(start_ip, exit_ip) \
+ ".pushsection __rseq_exit_point_array, \"aw\"\n\t" \
+ LONG " " U32_U64_PAD(__rseq_str(start_ip)) "\n\t" \
+ LONG " " U32_U64_PAD(__rseq_str(exit_ip)) "\n\t" \
+ ".popsection\n\t"
+
#define RSEQ_ASM_STORE_RSEQ_CS(label, cs_label, rseq_cs) \
RSEQ_INJECT_ASM(1) \
LONG_LA " $4, " __rseq_str(cs_label) "\n\t" \
@@ -113,7 +163,12 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -173,7 +228,12 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -237,7 +297,10 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -289,7 +352,12 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -357,7 +425,12 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -426,7 +499,13 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error3])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3f, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -500,7 +579,12 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
LONG_S " %[src], %[rseq_scratch0]\n\t"
LONG_S " %[dst], %[rseq_scratch1]\n\t"
LONG_S " %[len], %[rseq_scratch2]\n\t"
@@ -616,7 +700,12 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
rseq_workaround_gcc_asm_size_guess();
__asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_TABLE(9, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
LONG_S " %[src], %[rseq_scratch0]\n\t"
LONG_S " %[dst], %[rseq_scratch1]\n\t"
LONG_S " %[len], %[rseq_scratch2]\n\t"
diff --git a/tools/testing/selftests/rseq/rseq-ppc.h b/tools/testing/selftests/rseq/rseq-ppc.h
index 52630c9f42be..76be90196fe4 100644
--- a/tools/testing/selftests/rseq/rseq-ppc.h
+++ b/tools/testing/selftests/rseq/rseq-ppc.h
@@ -6,7 +6,15 @@
* (C) Copyright 2016-2018 - Boqun Feng <boqun.feng@gmail.com>
*/
-#define RSEQ_SIG 0x53053053
+/*
+ * RSEQ_SIG is used with the following trap instruction:
+ *
+ * powerpc-be: 0f e5 00 0b twui r5,11
+ * powerpc64-le: 0b 00 e5 0f twui r5,11
+ * powerpc64-be: 0f e5 00 0b twui r5,11
+ */
+
+#define RSEQ_SIG 0x0fe5000b
#define rseq_smp_mb() __asm__ __volatile__ ("sync" ::: "memory", "cc")
#define rseq_smp_lwsync() __asm__ __volatile__ ("lwsync" ::: "memory", "cc")
@@ -33,8 +41,8 @@ do { \
#else /* !RSEQ_SKIP_FASTPATH */
/*
- * The __rseq_table section can be used by debuggers to better handle
- * single-stepping through the restartable critical sections.
+ * The __rseq_cs_ptr_array and __rseq_cs sections can be used by debuggers to
+ * better handle single-stepping through the restartable critical sections.
*/
#ifdef __PPC64__
@@ -46,11 +54,14 @@ do { \
#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
- ".pushsection __rseq_table, \"aw\"\n\t" \
+ ".pushsection __rseq_cs, \"aw\"\n\t" \
".balign 32\n\t" \
__rseq_str(label) ":\n\t" \
".long " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
".quad " __rseq_str(start_ip) ", " __rseq_str(post_commit_offset) ", " __rseq_str(abort_ip) "\n\t" \
+ ".popsection\n\t" \
+ ".pushsection __rseq_cs_ptr_array, \"aw\"\n\t" \
+ ".quad " __rseq_str(label) "b\n\t" \
".popsection\n\t"
#define RSEQ_ASM_STORE_RSEQ_CS(label, cs_label, rseq_cs) \
@@ -63,6 +74,19 @@ do { \
"std %%r17, %[" __rseq_str(rseq_cs) "]\n\t" \
__rseq_str(label) ":\n\t"
+/*
+ * Exit points of a rseq critical section consist of all instructions outside
+ * of the critical section where a critical section can either branch to or
+ * reach through the normal course of its execution. The abort IP and the
+ * post-commit IP are already part of the __rseq_cs section and should not be
+ * explicitly defined as additional exit points. Knowing all exit points is
+ * useful to assist debuggers stepping over the critical section.
+ */
+#define RSEQ_ASM_DEFINE_EXIT_POINT(start_ip, exit_ip) \
+ ".pushsection __rseq_exit_point_array, \"aw\"\n\t" \
+ ".quad " __rseq_str(start_ip) ", " __rseq_str(exit_ip) "\n\t" \
+ ".popsection\n\t"
+
#else /* #ifdef __PPC64__ */
#define STORE_WORD "stw "
@@ -72,12 +96,29 @@ do { \
#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
- ".pushsection __rseq_table, \"aw\"\n\t" \
+ ".pushsection __rseq_cs, \"aw\"\n\t" \
".balign 32\n\t" \
__rseq_str(label) ":\n\t" \
".long " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
/* 32-bit only supported on BE */ \
".long 0x0, " __rseq_str(start_ip) ", 0x0, " __rseq_str(post_commit_offset) ", 0x0, " __rseq_str(abort_ip) "\n\t" \
+ ".popsection\n\t" \
+ ".pushsection __rseq_cs_ptr_array, \"aw\"\n\t" \
+ ".long 0x0, " __rseq_str(label) "b\n\t" \
+ ".popsection\n\t"
+
+/*
+ * Exit points of a rseq critical section consist of all instructions outside
+ * of the critical section where a critical section can either branch to or
+ * reach through the normal course of its execution. The abort IP and the
+ * post-commit IP are already part of the __rseq_cs section and should not be
+ * explicitly defined as additional exit points. Knowing all exit points is
+ * useful to assist debuggers stepping over the critical section.
+ */
+#define RSEQ_ASM_DEFINE_EXIT_POINT(start_ip, exit_ip) \
+ ".pushsection __rseq_exit_point_array, \"aw\"\n\t" \
+ /* 32-bit only supported on BE */ \
+ ".long 0x0, " __rseq_str(start_ip) ", 0x0, " __rseq_str(exit_ip) "\n\t" \
".popsection\n\t"
#define RSEQ_ASM_STORE_RSEQ_CS(label, cs_label, rseq_cs) \
@@ -169,6 +210,11 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
/* cmp cpuid */
@@ -224,6 +270,11 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
/* cmp cpuid */
@@ -286,6 +337,9 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
/* cmp cpuid */
@@ -337,6 +391,11 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
/* cmp cpuid */
@@ -400,6 +459,11 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
/* cmp cpuid */
@@ -465,6 +529,12 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error3])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
/* cmp cpuid */
@@ -532,6 +602,11 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* setup for mempcy */
"mr %%r19, %[len]\n\t"
"mr %%r20, %[src]\n\t"
@@ -601,6 +676,11 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* setup for mempcy */
"mr %%r19, %[len]\n\t"
"mr %%r20, %[src]\n\t"
diff --git a/tools/testing/selftests/rseq/rseq-s390.h b/tools/testing/selftests/rseq/rseq-s390.h
index 1069e85258ce..8ef94ad1cbb4 100644
--- a/tools/testing/selftests/rseq/rseq-s390.h
+++ b/tools/testing/selftests/rseq/rseq-s390.h
@@ -1,6 +1,13 @@
/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
-#define RSEQ_SIG 0x53053053
+/*
+ * RSEQ_SIG uses the trap4 instruction. As Linux does not make use of the
+ * access-register mode nor the linkage stack this instruction will always
+ * cause a special-operation exception (the trap-enabled bit in the DUCT
+ * is and will stay 0). The instruction pattern is
+ * b2 ff 0f ff trap4 4095(%r0)
+ */
+#define RSEQ_SIG 0xB2FF0FFF
#define rseq_smp_mb() __asm__ __volatile__ ("bcr 15,0" ::: "memory")
#define rseq_smp_rmb() rseq_smp_mb()
@@ -37,22 +44,54 @@ do { \
#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
- ".pushsection __rseq_table, \"aw\"\n\t" \
+ ".pushsection __rseq_cs, \"aw\"\n\t" \
".balign 32\n\t" \
__rseq_str(label) ":\n\t" \
".long " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
".quad " __rseq_str(start_ip) ", " __rseq_str(post_commit_offset) ", " __rseq_str(abort_ip) "\n\t" \
+ ".popsection\n\t" \
+ ".pushsection __rseq_cs_ptr_array, \"aw\"\n\t" \
+ ".quad " __rseq_str(label) "b\n\t" \
+ ".popsection\n\t"
+
+/*
+ * Exit points of a rseq critical section consist of all instructions outside
+ * of the critical section where a critical section can either branch to or
+ * reach through the normal course of its execution. The abort IP and the
+ * post-commit IP are already part of the __rseq_cs section and should not be
+ * explicitly defined as additional exit points. Knowing all exit points is
+ * useful to assist debuggers stepping over the critical section.
+ */
+#define RSEQ_ASM_DEFINE_EXIT_POINT(start_ip, exit_ip) \
+ ".pushsection __rseq_exit_point_array, \"aw\"\n\t" \
+ ".quad " __rseq_str(start_ip) ", " __rseq_str(exit_ip) "\n\t" \
".popsection\n\t"
#elif __s390__
#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
- ".pushsection __rseq_table, \"aw\"\n\t" \
+ ".pushsection __rseq_cs, \"aw\"\n\t" \
".balign 32\n\t" \
__rseq_str(label) ":\n\t" \
".long " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
".long 0x0, " __rseq_str(start_ip) ", 0x0, " __rseq_str(post_commit_offset) ", 0x0, " __rseq_str(abort_ip) "\n\t" \
+ ".popsection\n\t" \
+ ".pushsection __rseq_cs_ptr_array, \"aw\"\n\t" \
+ ".long 0x0, " __rseq_str(label) "b\n\t" \
+ ".popsection\n\t"
+
+/*
+ * Exit points of a rseq critical section consist of all instructions outside
+ * of the critical section where a critical section can either branch to or
+ * reach through the normal course of its execution. The abort IP and the
+ * post-commit IP are already part of the __rseq_cs section and should not be
+ * explicitly defined as additional exit points. Knowing all exit points is
+ * useful to assist debuggers stepping over the critical section.
+ */
+#define RSEQ_ASM_DEFINE_EXIT_POINT(start_ip, exit_ip) \
+ ".pushsection __rseq_exit_point_array, \"aw\"\n\t" \
+ ".long 0x0, " __rseq_str(start_ip) ", 0x0, " __rseq_str(exit_ip) "\n\t" \
".popsection\n\t"
#define LONG_L "l"
@@ -85,14 +124,14 @@ do { \
".long " __rseq_str(RSEQ_SIG) "\n\t" \
__rseq_str(label) ":\n\t" \
teardown \
- "j %l[" __rseq_str(abort_label) "]\n\t" \
+ "jg %l[" __rseq_str(abort_label) "]\n\t" \
".popsection\n\t"
#define RSEQ_ASM_DEFINE_CMPFAIL(label, teardown, cmpfail_label) \
".pushsection __rseq_failure, \"ax\"\n\t" \
__rseq_str(label) ":\n\t" \
teardown \
- "j %l[" __rseq_str(cmpfail_label) "]\n\t" \
+ "jg %l[" __rseq_str(cmpfail_label) "]\n\t" \
".popsection\n\t"
static inline __attribute__((always_inline))
@@ -102,6 +141,11 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -160,6 +204,11 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -220,6 +269,9 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -268,6 +320,11 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -339,6 +396,12 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error3])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
@@ -407,6 +470,11 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
LONG_S " %[src], %[rseq_scratch0]\n\t"
LONG_S " %[dst], %[rseq_scratch1]\n\t"
LONG_S " %[len], %[rseq_scratch2]\n\t"
diff --git a/tools/testing/selftests/rseq/rseq-x86.h b/tools/testing/selftests/rseq/rseq-x86.h
index 089410a314e9..b2da6004fe30 100644
--- a/tools/testing/selftests/rseq/rseq-x86.h
+++ b/tools/testing/selftests/rseq/rseq-x86.h
@@ -7,8 +7,25 @@
#include <stdint.h>
+/*
+ * RSEQ_SIG is used with the following reserved undefined instructions, which
+ * trap in user-space:
+ *
+ * x86-32: 0f b9 3d 53 30 05 53 ud1 0x53053053,%edi
+ * x86-64: 0f b9 3d 53 30 05 53 ud1 0x53053053(%rip),%edi
+ */
#define RSEQ_SIG 0x53053053
+/*
+ * Due to a compiler optimization bug in gcc-8 with asm goto and TLS asm input
+ * operands, we cannot use "m" input operands, and rather pass the __rseq_abi
+ * address through a "r" input operand.
+ */
+
+/* Offset of cpu_id and rseq_cs fields in struct rseq. */
+#define RSEQ_CPU_ID_OFFSET 4
+#define RSEQ_CS_OFFSET 8
+
#ifdef __x86_64__
#define rseq_smp_mb() \
@@ -37,32 +54,49 @@ do { \
#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
- ".pushsection __rseq_table, \"aw\"\n\t" \
+ ".pushsection __rseq_cs, \"aw\"\n\t" \
".balign 32\n\t" \
__rseq_str(label) ":\n\t" \
".long " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
".quad " __rseq_str(start_ip) ", " __rseq_str(post_commit_offset) ", " __rseq_str(abort_ip) "\n\t" \
+ ".popsection\n\t" \
+ ".pushsection __rseq_cs_ptr_array, \"aw\"\n\t" \
+ ".quad " __rseq_str(label) "b\n\t" \
".popsection\n\t"
+
#define RSEQ_ASM_DEFINE_TABLE(label, start_ip, post_commit_ip, abort_ip) \
__RSEQ_ASM_DEFINE_TABLE(label, 0x0, 0x0, start_ip, \
(post_commit_ip - start_ip), abort_ip)
+/*
+ * Exit points of a rseq critical section consist of all instructions outside
+ * of the critical section where a critical section can either branch to or
+ * reach through the normal course of its execution. The abort IP and the
+ * post-commit IP are already part of the __rseq_cs section and should not be
+ * explicitly defined as additional exit points. Knowing all exit points is
+ * useful to assist debuggers stepping over the critical section.
+ */
+#define RSEQ_ASM_DEFINE_EXIT_POINT(start_ip, exit_ip) \
+ ".pushsection __rseq_exit_point_array, \"aw\"\n\t" \
+ ".quad " __rseq_str(start_ip) ", " __rseq_str(exit_ip) "\n\t" \
+ ".popsection\n\t"
+
#define RSEQ_ASM_STORE_RSEQ_CS(label, cs_label, rseq_cs) \
RSEQ_INJECT_ASM(1) \
"leaq " __rseq_str(cs_label) "(%%rip), %%rax\n\t" \
- "movq %%rax, %[" __rseq_str(rseq_cs) "]\n\t" \
+ "movq %%rax, " __rseq_str(rseq_cs) "\n\t" \
__rseq_str(label) ":\n\t"
#define RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, label) \
RSEQ_INJECT_ASM(2) \
- "cmpl %[" __rseq_str(cpu_id) "], %[" __rseq_str(current_cpu_id) "]\n\t" \
+ "cmpl %[" __rseq_str(cpu_id) "], " __rseq_str(current_cpu_id) "\n\t" \
"jnz " __rseq_str(label) "\n\t"
#define RSEQ_ASM_DEFINE_ABORT(label, teardown, abort_label) \
".pushsection __rseq_failure, \"ax\"\n\t" \
- /* Disassembler-friendly signature: nopl <sig>(%rip). */\
- ".byte 0x0f, 0x1f, 0x05\n\t" \
+ /* Disassembler-friendly signature: ud1 <sig>(%rip),%edi. */ \
+ ".byte 0x0f, 0xb9, 0x3d\n\t" \
".long " __rseq_str(RSEQ_SIG) "\n\t" \
__rseq_str(label) ":\n\t" \
teardown \
@@ -83,15 +117,20 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"cmpq %[v], %[expect]\n\t"
"jnz %l[cmpfail]\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
"cmpq %[v], %[expect]\n\t"
"jnz %l[error2]\n\t"
#endif
@@ -102,8 +141,7 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
[v] "m" (*v),
[expect] "r" (expect),
[newv] "r" (newv)
@@ -140,16 +178,21 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"movq %[v], %%rbx\n\t"
"cmpq %%rbx, %[expectnot]\n\t"
"je %l[cmpfail]\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
"movq %[v], %%rbx\n\t"
"cmpq %%rbx, %[expectnot]\n\t"
"je %l[error2]\n\t"
@@ -164,8 +207,7 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* final store input */
[v] "m" (*v),
[expectnot] "r" (expectnot),
@@ -199,12 +241,15 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
#endif
/* final store */
"addq %[count], %[v]\n\t"
@@ -213,8 +258,7 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* final store input */
[v] "m" (*v),
[count] "er" (count)
@@ -244,15 +288,20 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"cmpq %[v], %[expect]\n\t"
"jnz %l[cmpfail]\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
"cmpq %[v], %[expect]\n\t"
"jnz %l[error2]\n\t"
#endif
@@ -266,8 +315,7 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -314,9 +362,15 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error3])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"cmpq %[v], %[expect]\n\t"
"jnz %l[cmpfail]\n\t"
@@ -325,7 +379,7 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
"jnz %l[cmpfail]\n\t"
RSEQ_INJECT_ASM(5)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
"cmpq %[v], %[expect]\n\t"
"jnz %l[error2]\n\t"
"cmpq %[v2], %[expect2]\n\t"
@@ -338,8 +392,7 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* cmp2 input */
[v2] "m" (*v2),
[expect2] "r" (expect2),
@@ -381,18 +434,23 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
"movq %[src], %[rseq_scratch0]\n\t"
"movq %[dst], %[rseq_scratch1]\n\t"
"movq %[len], %[rseq_scratch2]\n\t"
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"cmpq %[v], %[expect]\n\t"
"jnz 5f\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 6f)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 6f)
"cmpq %[v], %[expect]\n\t"
"jnz 7f\n\t"
#endif
@@ -440,8 +498,7 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
#endif
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* final store input */
[v] "m" (*v),
[expect] "r" (expect),
@@ -520,31 +577,47 @@ do { \
*/
#define __RSEQ_ASM_DEFINE_TABLE(label, version, flags, \
start_ip, post_commit_offset, abort_ip) \
- ".pushsection __rseq_table, \"aw\"\n\t" \
+ ".pushsection __rseq_cs, \"aw\"\n\t" \
".balign 32\n\t" \
__rseq_str(label) ":\n\t" \
".long " __rseq_str(version) ", " __rseq_str(flags) "\n\t" \
".long " __rseq_str(start_ip) ", 0x0, " __rseq_str(post_commit_offset) ", 0x0, " __rseq_str(abort_ip) ", 0x0\n\t" \
+ ".popsection\n\t" \
+ ".pushsection __rseq_cs_ptr_array, \"aw\"\n\t" \
+ ".long " __rseq_str(label) "b, 0x0\n\t" \
".popsection\n\t"
#define RSEQ_ASM_DEFINE_TABLE(label, start_ip, post_commit_ip, abort_ip) \
__RSEQ_ASM_DEFINE_TABLE(label, 0x0, 0x0, start_ip, \
(post_commit_ip - start_ip), abort_ip)
+/*
+ * Exit points of a rseq critical section consist of all instructions outside
+ * of the critical section where a critical section can either branch to or
+ * reach through the normal course of its execution. The abort IP and the
+ * post-commit IP are already part of the __rseq_cs section and should not be
+ * explicitly defined as additional exit points. Knowing all exit points is
+ * useful to assist debuggers stepping over the critical section.
+ */
+#define RSEQ_ASM_DEFINE_EXIT_POINT(start_ip, exit_ip) \
+ ".pushsection __rseq_exit_point_array, \"aw\"\n\t" \
+ ".long " __rseq_str(start_ip) ", 0x0, " __rseq_str(exit_ip) ", 0x0\n\t" \
+ ".popsection\n\t"
+
#define RSEQ_ASM_STORE_RSEQ_CS(label, cs_label, rseq_cs) \
RSEQ_INJECT_ASM(1) \
- "movl $" __rseq_str(cs_label) ", %[rseq_cs]\n\t" \
+ "movl $" __rseq_str(cs_label) ", " __rseq_str(rseq_cs) "\n\t" \
__rseq_str(label) ":\n\t"
#define RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, label) \
RSEQ_INJECT_ASM(2) \
- "cmpl %[" __rseq_str(cpu_id) "], %[" __rseq_str(current_cpu_id) "]\n\t" \
+ "cmpl %[" __rseq_str(cpu_id) "], " __rseq_str(current_cpu_id) "\n\t" \
"jnz " __rseq_str(label) "\n\t"
#define RSEQ_ASM_DEFINE_ABORT(label, teardown, abort_label) \
".pushsection __rseq_failure, \"ax\"\n\t" \
- /* Disassembler-friendly signature: nopl <sig>. */ \
- ".byte 0x0f, 0x1f, 0x05\n\t" \
+ /* Disassembler-friendly signature: ud1 <sig>,%edi. */ \
+ ".byte 0x0f, 0xb9, 0x3d\n\t" \
".long " __rseq_str(RSEQ_SIG) "\n\t" \
__rseq_str(label) ":\n\t" \
teardown \
@@ -565,15 +638,20 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"cmpl %[v], %[expect]\n\t"
"jnz %l[cmpfail]\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
"cmpl %[v], %[expect]\n\t"
"jnz %l[error2]\n\t"
#endif
@@ -584,8 +662,7 @@ int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
[v] "m" (*v),
[expect] "r" (expect),
[newv] "r" (newv)
@@ -622,16 +699,21 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"movl %[v], %%ebx\n\t"
"cmpl %%ebx, %[expectnot]\n\t"
"je %l[cmpfail]\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
"movl %[v], %%ebx\n\t"
"cmpl %%ebx, %[expectnot]\n\t"
"je %l[error2]\n\t"
@@ -646,8 +728,7 @@ int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* final store input */
[v] "m" (*v),
[expectnot] "r" (expectnot),
@@ -681,12 +762,15 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
#endif
/* final store */
"addl %[count], %[v]\n\t"
@@ -695,8 +779,7 @@ int rseq_addv(intptr_t *v, intptr_t count, int cpu)
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* final store input */
[v] "m" (*v),
[count] "ir" (count)
@@ -726,15 +809,20 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"cmpl %[v], %[expect]\n\t"
"jnz %l[cmpfail]\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
"cmpl %[v], %[expect]\n\t"
"jnz %l[error2]\n\t"
#endif
@@ -749,8 +837,7 @@ int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* try store input */
[v2] "m" (*v2),
[newv2] "m" (newv2),
@@ -788,16 +875,21 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"movl %[expect], %%eax\n\t"
"cmpl %[v], %%eax\n\t"
"jnz %l[cmpfail]\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
"movl %[expect], %%eax\n\t"
"cmpl %[v], %%eax\n\t"
"jnz %l[error2]\n\t"
@@ -813,8 +905,7 @@ int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* try store input */
[v2] "m" (*v2),
[newv2] "r" (newv2),
@@ -853,9 +944,15 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error3])
+#endif
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"cmpl %[v], %[expect]\n\t"
"jnz %l[cmpfail]\n\t"
@@ -864,7 +961,7 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
"jnz %l[cmpfail]\n\t"
RSEQ_INJECT_ASM(5)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), %l[error1])
"cmpl %[v], %[expect]\n\t"
"jnz %l[error2]\n\t"
"cmpl %[expect2], %[v2]\n\t"
@@ -878,8 +975,7 @@ int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
RSEQ_ASM_DEFINE_ABORT(4, "", abort)
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* cmp2 input */
[v2] "m" (*v2),
[expect2] "r" (expect2),
@@ -922,19 +1018,24 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
"movl %[src], %[rseq_scratch0]\n\t"
"movl %[dst], %[rseq_scratch1]\n\t"
"movl %[len], %[rseq_scratch2]\n\t"
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"movl %[expect], %%eax\n\t"
"cmpl %%eax, %[v]\n\t"
"jnz 5f\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 6f)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 6f)
"movl %[expect], %%eax\n\t"
"cmpl %%eax, %[v]\n\t"
"jnz 7f\n\t"
@@ -984,8 +1085,7 @@ int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
#endif
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* final store input */
[v] "m" (*v),
[expect] "m" (expect),
@@ -1030,19 +1130,24 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
__asm__ __volatile__ goto (
RSEQ_ASM_DEFINE_TABLE(3, 1f, 2f, 4f) /* start, commit, abort */
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[cmpfail])
+#ifdef RSEQ_COMPARE_TWICE
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error1])
+ RSEQ_ASM_DEFINE_EXIT_POINT(1f, %l[error2])
+#endif
"movl %[src], %[rseq_scratch0]\n\t"
"movl %[dst], %[rseq_scratch1]\n\t"
"movl %[len], %[rseq_scratch2]\n\t"
/* Start rseq by storing table entry pointer into rseq_cs. */
- RSEQ_ASM_STORE_RSEQ_CS(1, 3b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
+ RSEQ_ASM_STORE_RSEQ_CS(1, 3b, RSEQ_CS_OFFSET(%[rseq_abi]))
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 4f)
RSEQ_INJECT_ASM(3)
"movl %[expect], %%eax\n\t"
"cmpl %%eax, %[v]\n\t"
"jnz 5f\n\t"
RSEQ_INJECT_ASM(4)
#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 6f)
+ RSEQ_ASM_CMP_CPU_ID(cpu_id, RSEQ_CPU_ID_OFFSET(%[rseq_abi]), 6f)
"movl %[expect], %%eax\n\t"
"cmpl %%eax, %[v]\n\t"
"jnz 7f\n\t"
@@ -1093,8 +1198,7 @@ int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
#endif
: /* gcc asm goto does not allow outputs */
: [cpu_id] "r" (cpu),
- [current_cpu_id] "m" (__rseq_abi.cpu_id),
- [rseq_cs] "m" (__rseq_abi.rseq_cs),
+ [rseq_abi] "r" (&__rseq_abi),
/* final store input */
[v] "m" (*v),
[expect] "m" (expect),
diff --git a/tools/testing/selftests/rseq/rseq.c b/tools/testing/selftests/rseq/rseq.c
index 4847e97ed049..7159eb777fd3 100644
--- a/tools/testing/selftests/rseq/rseq.c
+++ b/tools/testing/selftests/rseq/rseq.c
@@ -25,18 +25,27 @@
#include <syscall.h>
#include <assert.h>
#include <signal.h>
+#include <limits.h>
#include "rseq.h"
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
-__attribute__((tls_model("initial-exec"))) __thread
-volatile struct rseq __rseq_abi = {
+__thread volatile struct rseq __rseq_abi = {
.cpu_id = RSEQ_CPU_ID_UNINITIALIZED,
};
-static __attribute__((tls_model("initial-exec"))) __thread
-volatile int refcount;
+/*
+ * Shared with other libraries. This library may take rseq ownership if it is
+ * still 0 when executing the library constructor. Set to 1 by library
+ * constructor when handling rseq. Set to 0 in destructor if handling rseq.
+ */
+int __rseq_handled;
+
+/* Whether this library have ownership of rseq registration. */
+static int rseq_ownership;
+
+static __thread volatile uint32_t __rseq_refcount;
static void signal_off_save(sigset_t *oldset)
{
@@ -69,8 +78,14 @@ int rseq_register_current_thread(void)
int rc, ret = 0;
sigset_t oldset;
+ if (!rseq_ownership)
+ return 0;
signal_off_save(&oldset);
- if (refcount++)
+ if (__rseq_refcount == UINT_MAX) {
+ ret = -1;
+ goto end;
+ }
+ if (__rseq_refcount++)
goto end;
rc = sys_rseq(&__rseq_abi, sizeof(struct rseq), 0, RSEQ_SIG);
if (!rc) {
@@ -78,9 +93,9 @@ int rseq_register_current_thread(void)
goto end;
}
if (errno != EBUSY)
- __rseq_abi.cpu_id = -2;
+ __rseq_abi.cpu_id = RSEQ_CPU_ID_REGISTRATION_FAILED;
ret = -1;
- refcount--;
+ __rseq_refcount--;
end:
signal_restore(oldset);
return ret;
@@ -91,13 +106,20 @@ int rseq_unregister_current_thread(void)
int rc, ret = 0;
sigset_t oldset;
+ if (!rseq_ownership)
+ return 0;
signal_off_save(&oldset);
- if (--refcount)
+ if (!__rseq_refcount) {
+ ret = -1;
+ goto end;
+ }
+ if (--__rseq_refcount)
goto end;
rc = sys_rseq(&__rseq_abi, sizeof(struct rseq),
RSEQ_FLAG_UNREGISTER, RSEQ_SIG);
if (!rc)
goto end;
+ __rseq_refcount = 1;
ret = -1;
end:
signal_restore(oldset);
@@ -115,3 +137,20 @@ int32_t rseq_fallback_current_cpu(void)
}
return cpu;
}
+
+void __attribute__((constructor)) rseq_init(void)
+{
+ /* Check whether rseq is handled by another library. */
+ if (__rseq_handled)
+ return;
+ __rseq_handled = 1;
+ rseq_ownership = 1;
+}
+
+void __attribute__((destructor)) rseq_fini(void)
+{
+ if (!rseq_ownership)
+ return;
+ __rseq_handled = 0;
+ rseq_ownership = 0;
+}
diff --git a/tools/testing/selftests/rseq/rseq.h b/tools/testing/selftests/rseq/rseq.h
index c72eb70f9b52..d40d60e7499e 100644
--- a/tools/testing/selftests/rseq/rseq.h
+++ b/tools/testing/selftests/rseq/rseq.h
@@ -16,7 +16,6 @@
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
-#include <sched.h>
#include <linux/rseq.h>
/*
@@ -45,6 +44,7 @@
#endif
extern __thread volatile struct rseq __rseq_abi;
+extern int __rseq_handled;
#define rseq_likely(x) __builtin_expect(!!(x), 1)
#define rseq_unlikely(x) __builtin_expect(!!(x), 0)
diff --git a/tools/testing/selftests/rseq/run_param_test.sh b/tools/testing/selftests/rseq/run_param_test.sh
index 3acd6d75ff9f..e426304fd4a0 100755
--- a/tools/testing/selftests/rseq/run_param_test.sh
+++ b/tools/testing/selftests/rseq/run_param_test.sh
@@ -1,6 +1,8 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+ or MIT
+NR_CPUS=`grep '^processor' /proc/cpuinfo | wc -l`
+
EXTRA_ARGS=${@}
OLDIFS="$IFS"
@@ -28,15 +30,16 @@ IFS="$OLDIFS"
REPS=1000
SLOW_REPS=100
+NR_THREADS=$((6*${NR_CPUS}))
function do_tests()
{
local i=0
while [ "$i" -lt "${#TEST_LIST[@]}" ]; do
echo "Running test ${TEST_NAME[$i]}"
- ./param_test ${TEST_LIST[$i]} -r ${REPS} ${@} ${EXTRA_ARGS} || exit 1
+ ./param_test ${TEST_LIST[$i]} -r ${REPS} -t ${NR_THREADS} ${@} ${EXTRA_ARGS} || exit 1
echo "Running compare-twice test ${TEST_NAME[$i]}"
- ./param_test_compare_twice ${TEST_LIST[$i]} -r ${REPS} ${@} ${EXTRA_ARGS} || exit 1
+ ./param_test_compare_twice ${TEST_LIST[$i]} -r ${REPS} -t ${NR_THREADS} ${@} ${EXTRA_ARGS} || exit 1
let "i++"
done
}
diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c
index b2065536d407..66af608fb4c6 100644
--- a/tools/testing/selftests/rtc/rtctest.c
+++ b/tools/testing/selftests/rtc/rtctest.c
@@ -49,7 +49,7 @@ TEST_F(rtc, date_read) {
rtc_tm.tm_hour, rtc_tm.tm_min, rtc_tm.tm_sec);
}
-TEST_F(rtc, uie_read) {
+TEST_F_TIMEOUT(rtc, uie_read, NUM_UIE + 2) {
int i, rc, irq = 0;
unsigned long data;
@@ -211,7 +211,7 @@ TEST_F(rtc, alarm_wkalm_set) {
ASSERT_EQ(new, secs);
}
-TEST_F(rtc, alarm_alm_set_minute) {
+TEST_F_TIMEOUT(rtc, alarm_alm_set_minute, 65) {
struct timeval tv = { .tv_sec = 62 };
unsigned long data;
struct rtc_time tm;
@@ -264,7 +264,7 @@ TEST_F(rtc, alarm_alm_set_minute) {
ASSERT_EQ(new, secs);
}
-TEST_F(rtc, alarm_wkalm_set_minute) {
+TEST_F_TIMEOUT(rtc, alarm_wkalm_set_minute, 65) {
struct timeval tv = { .tv_sec = 62 };
struct rtc_wkalrm alarm = { 0 };
struct rtc_time tm;
diff --git a/tools/testing/selftests/rtc/setdate.c b/tools/testing/selftests/rtc/setdate.c
index 2cb78489eca4..b303890b3de2 100644
--- a/tools/testing/selftests/rtc/setdate.c
+++ b/tools/testing/selftests/rtc/setdate.c
@@ -1,18 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* Real Time Clock Driver Test
* by: Benjamin Gaignard (benjamin.gaignard@linaro.org)
*
* To build
* gcc rtctest_setdate.c -o rtctest_setdate
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/safesetid/.gitignore b/tools/testing/selftests/safesetid/.gitignore
new file mode 100644
index 000000000000..9c1a629bca01
--- /dev/null
+++ b/tools/testing/selftests/safesetid/.gitignore
@@ -0,0 +1 @@
+safesetid-test
diff --git a/tools/testing/selftests/safesetid/Makefile b/tools/testing/selftests/safesetid/Makefile
new file mode 100644
index 000000000000..98da7a504737
--- /dev/null
+++ b/tools/testing/selftests/safesetid/Makefile
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for mount selftests.
+CFLAGS = -Wall -lcap -O2
+
+TEST_PROGS := run_tests.sh
+TEST_GEN_FILES := safesetid-test
+
+include ../lib.mk
diff --git a/tools/testing/selftests/safesetid/config b/tools/testing/selftests/safesetid/config
new file mode 100644
index 000000000000..9d44e5c2e096
--- /dev/null
+++ b/tools/testing/selftests/safesetid/config
@@ -0,0 +1,2 @@
+CONFIG_SECURITY=y
+CONFIG_SECURITYFS=y
diff --git a/tools/testing/selftests/safesetid/safesetid-test.c b/tools/testing/selftests/safesetid/safesetid-test.c
new file mode 100644
index 000000000000..8f40c6ecdad1
--- /dev/null
+++ b/tools/testing/selftests/safesetid/safesetid-test.c
@@ -0,0 +1,330 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <errno.h>
+#include <pwd.h>
+#include <string.h>
+#include <syscall.h>
+#include <sys/capability.h>
+#include <sys/types.h>
+#include <sys/mount.h>
+#include <sys/prctl.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdarg.h>
+
+#ifndef CLONE_NEWUSER
+# define CLONE_NEWUSER 0x10000000
+#endif
+
+#define ROOT_USER 0
+#define RESTRICTED_PARENT 1
+#define ALLOWED_CHILD1 2
+#define ALLOWED_CHILD2 3
+#define NO_POLICY_USER 4
+
+char* add_whitelist_policy_file = "/sys/kernel/security/safesetid/add_whitelist_policy";
+
+static void die(char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ exit(EXIT_FAILURE);
+}
+
+static bool vmaybe_write_file(bool enoent_ok, char *filename, char *fmt, va_list ap)
+{
+ char buf[4096];
+ int fd;
+ ssize_t written;
+ int buf_len;
+
+ buf_len = vsnprintf(buf, sizeof(buf), fmt, ap);
+ if (buf_len < 0) {
+ printf("vsnprintf failed: %s\n",
+ strerror(errno));
+ return false;
+ }
+ if (buf_len >= sizeof(buf)) {
+ printf("vsnprintf output truncated\n");
+ return false;
+ }
+
+ fd = open(filename, O_WRONLY);
+ if (fd < 0) {
+ if ((errno == ENOENT) && enoent_ok)
+ return true;
+ return false;
+ }
+ written = write(fd, buf, buf_len);
+ if (written != buf_len) {
+ if (written >= 0) {
+ printf("short write to %s\n", filename);
+ return false;
+ } else {
+ printf("write to %s failed: %s\n",
+ filename, strerror(errno));
+ return false;
+ }
+ }
+ if (close(fd) != 0) {
+ printf("close of %s failed: %s\n",
+ filename, strerror(errno));
+ return false;
+ }
+ return true;
+}
+
+static bool write_file(char *filename, char *fmt, ...)
+{
+ va_list ap;
+ bool ret;
+
+ va_start(ap, fmt);
+ ret = vmaybe_write_file(false, filename, fmt, ap);
+ va_end(ap);
+
+ return ret;
+}
+
+static void ensure_user_exists(uid_t uid)
+{
+ struct passwd p;
+
+ FILE *fd;
+ char name_str[10];
+
+ if (getpwuid(uid) == NULL) {
+ memset(&p,0x00,sizeof(p));
+ fd=fopen("/etc/passwd","a");
+ if (fd == NULL)
+ die("couldn't open file\n");
+ if (fseek(fd, 0, SEEK_END))
+ die("couldn't fseek\n");
+ snprintf(name_str, 10, "%d", uid);
+ p.pw_name=name_str;
+ p.pw_uid=uid;
+ p.pw_gecos="Test account";
+ p.pw_dir="/dev/null";
+ p.pw_shell="/bin/false";
+ int value = putpwent(&p,fd);
+ if (value != 0)
+ die("putpwent failed\n");
+ if (fclose(fd))
+ die("fclose failed\n");
+ }
+}
+
+static void ensure_securityfs_mounted(void)
+{
+ int fd = open(add_whitelist_policy_file, O_WRONLY);
+ if (fd < 0) {
+ if (errno == ENOENT) {
+ // Need to mount securityfs
+ if (mount("securityfs", "/sys/kernel/security",
+ "securityfs", 0, NULL) < 0)
+ die("mounting securityfs failed\n");
+ } else {
+ die("couldn't find securityfs for unknown reason\n");
+ }
+ } else {
+ if (close(fd) != 0) {
+ die("close of %s failed: %s\n",
+ add_whitelist_policy_file, strerror(errno));
+ }
+ }
+}
+
+static void write_policies(void)
+{
+ static char *policy_str =
+ "1:2\n"
+ "1:3\n"
+ "2:2\n"
+ "3:3\n";
+ ssize_t written;
+ int fd;
+
+ fd = open(add_whitelist_policy_file, O_WRONLY);
+ if (fd < 0)
+ die("cant open add_whitelist_policy file\n");
+ written = write(fd, policy_str, strlen(policy_str));
+ if (written != strlen(policy_str)) {
+ if (written >= 0) {
+ die("short write to %s\n", add_whitelist_policy_file);
+ } else {
+ die("write to %s failed: %s\n",
+ add_whitelist_policy_file, strerror(errno));
+ }
+ }
+ if (close(fd) != 0) {
+ die("close of %s failed: %s\n",
+ add_whitelist_policy_file, strerror(errno));
+ }
+}
+
+static bool test_userns(bool expect_success)
+{
+ uid_t uid;
+ char map_file_name[32];
+ size_t sz = sizeof(map_file_name);
+ pid_t cpid;
+ bool success;
+
+ uid = getuid();
+
+ int clone_flags = CLONE_NEWUSER;
+ cpid = syscall(SYS_clone, clone_flags, NULL);
+ if (cpid == -1) {
+ printf("clone failed");
+ return false;
+ }
+
+ if (cpid == 0) { /* Code executed by child */
+ // Give parent 1 second to write map file
+ sleep(1);
+ exit(EXIT_SUCCESS);
+ } else { /* Code executed by parent */
+ if(snprintf(map_file_name, sz, "/proc/%d/uid_map", cpid) < 0) {
+ printf("preparing file name string failed");
+ return false;
+ }
+ success = write_file(map_file_name, "0 0 1", uid);
+ return success == expect_success;
+ }
+
+ printf("should not reach here");
+ return false;
+}
+
+static void test_setuid(uid_t child_uid, bool expect_success)
+{
+ pid_t cpid, w;
+ int wstatus;
+
+ cpid = fork();
+ if (cpid == -1) {
+ die("fork\n");
+ }
+
+ if (cpid == 0) { /* Code executed by child */
+ setuid(child_uid);
+ if (getuid() == child_uid)
+ exit(EXIT_SUCCESS);
+ else
+ exit(EXIT_FAILURE);
+ } else { /* Code executed by parent */
+ do {
+ w = waitpid(cpid, &wstatus, WUNTRACED | WCONTINUED);
+ if (w == -1) {
+ die("waitpid\n");
+ }
+
+ if (WIFEXITED(wstatus)) {
+ if (WEXITSTATUS(wstatus) == EXIT_SUCCESS) {
+ if (expect_success) {
+ return;
+ } else {
+ die("unexpected success\n");
+ }
+ } else {
+ if (expect_success) {
+ die("unexpected failure\n");
+ } else {
+ return;
+ }
+ }
+ } else if (WIFSIGNALED(wstatus)) {
+ if (WTERMSIG(wstatus) == 9) {
+ if (expect_success)
+ die("killed unexpectedly\n");
+ else
+ return;
+ } else {
+ die("unexpected signal: %d\n", wstatus);
+ }
+ } else {
+ die("unexpected status: %d\n", wstatus);
+ }
+ } while (!WIFEXITED(wstatus) && !WIFSIGNALED(wstatus));
+ }
+
+ die("should not reach here\n");
+}
+
+static void ensure_users_exist(void)
+{
+ ensure_user_exists(ROOT_USER);
+ ensure_user_exists(RESTRICTED_PARENT);
+ ensure_user_exists(ALLOWED_CHILD1);
+ ensure_user_exists(ALLOWED_CHILD2);
+ ensure_user_exists(NO_POLICY_USER);
+}
+
+static void drop_caps(bool setid_retained)
+{
+ cap_value_t cap_values[] = {CAP_SETUID, CAP_SETGID};
+ cap_t caps;
+
+ caps = cap_get_proc();
+ if (setid_retained)
+ cap_set_flag(caps, CAP_EFFECTIVE, 2, cap_values, CAP_SET);
+ else
+ cap_clear(caps);
+ cap_set_proc(caps);
+ cap_free(caps);
+}
+
+int main(int argc, char **argv)
+{
+ ensure_users_exist();
+ ensure_securityfs_mounted();
+ write_policies();
+
+ if (prctl(PR_SET_KEEPCAPS, 1L))
+ die("Error with set keepcaps\n");
+
+ // First test to make sure we can write userns mappings from a user
+ // that doesn't have any restrictions (as long as it has CAP_SETUID);
+ setuid(NO_POLICY_USER);
+ setgid(NO_POLICY_USER);
+
+ // Take away all but setid caps
+ drop_caps(true);
+
+ // Need PR_SET_DUMPABLE flag set so we can write /proc/[pid]/uid_map
+ // from non-root parent process.
+ if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0))
+ die("Error with set dumpable\n");
+
+ if (!test_userns(true)) {
+ die("test_userns failed when it should work\n");
+ }
+
+ setuid(RESTRICTED_PARENT);
+ setgid(RESTRICTED_PARENT);
+
+ test_setuid(ROOT_USER, false);
+ test_setuid(ALLOWED_CHILD1, true);
+ test_setuid(ALLOWED_CHILD2, true);
+ test_setuid(NO_POLICY_USER, false);
+
+ if (!test_userns(false)) {
+ die("test_userns worked when it should fail\n");
+ }
+
+ // Now take away all caps
+ drop_caps(false);
+ test_setuid(2, false);
+ test_setuid(3, false);
+ test_setuid(4, false);
+
+ // NOTE: this test doesn't clean up users that were created in
+ // /etc/passwd or flush policies that were added to the LSM.
+ return EXIT_SUCCESS;
+}
diff --git a/tools/testing/selftests/safesetid/safesetid-test.sh b/tools/testing/selftests/safesetid/safesetid-test.sh
new file mode 100755
index 000000000000..e4fdce675c54
--- /dev/null
+++ b/tools/testing/selftests/safesetid/safesetid-test.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+TCID="safesetid-test.sh"
+errcode=0
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+check_root()
+{
+ uid=$(id -u)
+ if [ $uid -ne 0 ]; then
+ echo $TCID: must be run as root >&2
+ exit $ksft_skip
+ fi
+}
+
+main_function()
+{
+ check_root
+ ./safesetid-test
+}
+
+main_function
+echo "$TCID: done"
+exit $errcode
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 7e632b465ab4..6ef7f16c4cf5 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by the GPLv2 license.
*
* Test code for seccomp bpf.
*/
@@ -1775,13 +1775,18 @@ void tracer_ptrace(struct __test_metadata *_metadata, pid_t tracee,
unsigned long msg;
static bool entry;
- /* Make sure we got an empty message. */
+ /*
+ * The traditional way to tell PTRACE_SYSCALL entry/exit
+ * is by counting.
+ */
+ entry = !entry;
+
+ /* Make sure we got an appropriate message. */
ret = ptrace(PTRACE_GETEVENTMSG, tracee, NULL, &msg);
EXPECT_EQ(0, ret);
- EXPECT_EQ(0, msg);
+ EXPECT_EQ(entry ? PTRACE_EVENTMSG_SYSCALL_ENTRY
+ : PTRACE_EVENTMSG_SYSCALL_EXIT, msg);
- /* The only way to tell PTRACE_SYSCALL entry/exit is by counting. */
- entry = !entry;
if (!entry)
return;
@@ -2166,11 +2171,14 @@ TEST(detect_seccomp_filter_flags)
SECCOMP_FILTER_FLAG_LOG,
SECCOMP_FILTER_FLAG_SPEC_ALLOW,
SECCOMP_FILTER_FLAG_NEW_LISTENER };
- unsigned int flag, all_flags;
+ unsigned int exclusive[] = {
+ SECCOMP_FILTER_FLAG_TSYNC,
+ SECCOMP_FILTER_FLAG_NEW_LISTENER };
+ unsigned int flag, all_flags, exclusive_mask;
int i;
long ret;
- /* Test detection of known-good filter flags */
+ /* Test detection of individual known-good filter flags */
for (i = 0, all_flags = 0; i < ARRAY_SIZE(flags); i++) {
int bits = 0;
@@ -2197,16 +2205,29 @@ TEST(detect_seccomp_filter_flags)
all_flags |= flag;
}
- /* Test detection of all known-good filter flags */
- ret = seccomp(SECCOMP_SET_MODE_FILTER, all_flags, NULL);
- EXPECT_EQ(-1, ret);
- EXPECT_EQ(EFAULT, errno) {
- TH_LOG("Failed to detect that all known-good filter flags (0x%X) are supported!",
- all_flags);
+ /*
+ * Test detection of all known-good filter flags combined. But
+ * for the exclusive flags we need to mask them out and try them
+ * individually for the "all flags" testing.
+ */
+ exclusive_mask = 0;
+ for (i = 0; i < ARRAY_SIZE(exclusive); i++)
+ exclusive_mask |= exclusive[i];
+ for (i = 0; i < ARRAY_SIZE(exclusive); i++) {
+ flag = all_flags & ~exclusive_mask;
+ flag |= exclusive[i];
+
+ ret = seccomp(SECCOMP_SET_MODE_FILTER, flag, NULL);
+ EXPECT_EQ(-1, ret);
+ EXPECT_EQ(EFAULT, errno) {
+ TH_LOG("Failed to detect that all known-good filter flags (0x%X) are supported!",
+ flag);
+ }
}
- /* Test detection of an unknown filter flag */
+ /* Test detection of an unknown filter flags, without exclusives. */
flag = -1;
+ flag &= ~exclusive_mask;
ret = seccomp(SECCOMP_SET_MODE_FILTER, flag, NULL);
EXPECT_EQ(-1, ret);
EXPECT_EQ(EINVAL, errno) {
@@ -2611,6 +2632,7 @@ TEST_F(TSYNC, two_siblings_not_under_filter)
{
long ret, sib;
void *status;
+ struct timespec delay = { .tv_nsec = 100000000 };
ASSERT_EQ(0, prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0)) {
TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!");
@@ -2664,7 +2686,7 @@ TEST_F(TSYNC, two_siblings_not_under_filter)
EXPECT_EQ(SIBLING_EXIT_UNKILLED, (long)status);
/* Poll for actual task death. pthread_join doesn't guarantee it. */
while (!kill(self->sibling[sib].system_tid, 0))
- sleep(0.1);
+ nanosleep(&delay, NULL);
/* Switch to the remaining sibling */
sib = !sib;
@@ -2689,7 +2711,7 @@ TEST_F(TSYNC, two_siblings_not_under_filter)
EXPECT_EQ(0, (long)status);
/* Poll for actual task death. pthread_join doesn't guarantee it. */
while (!kill(self->sibling[sib].system_tid, 0))
- sleep(0.1);
+ nanosleep(&delay, NULL);
ret = seccomp(SECCOMP_SET_MODE_FILTER, SECCOMP_FILTER_FLAG_TSYNC,
&self->apply_prog);
@@ -2971,6 +2993,12 @@ TEST(get_metadata)
struct seccomp_metadata md;
long ret;
+ /* Only real root can get metadata. */
+ if (geteuid()) {
+ XFAIL(return, "get_metadata requires real root");
+ return;
+ }
+
ASSERT_EQ(0, pipe(pipefd));
pid = fork();
@@ -2985,11 +3013,11 @@ TEST(get_metadata)
};
/* one with log, one without */
- ASSERT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER,
+ EXPECT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER,
SECCOMP_FILTER_FLAG_LOG, &prog));
- ASSERT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog));
+ EXPECT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog));
- ASSERT_EQ(0, close(pipefd[0]));
+ EXPECT_EQ(0, close(pipefd[0]));
ASSERT_EQ(1, write(pipefd[1], "1", 1));
ASSERT_EQ(0, close(pipefd[1]));
@@ -3062,14 +3090,19 @@ TEST(user_notification_basic)
.filter = filter,
};
+ ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
+ ASSERT_EQ(0, ret) {
+ TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!");
+ }
+
pid = fork();
ASSERT_GE(pid, 0);
/* Check that we get -ENOSYS with no listener attached */
if (pid == 0) {
- if (user_trap_syscall(__NR_getpid, 0) < 0)
+ if (user_trap_syscall(__NR_getppid, 0) < 0)
exit(1);
- ret = syscall(__NR_getpid);
+ ret = syscall(__NR_getppid);
exit(ret >= 0 || errno != ENOSYS);
}
@@ -3077,19 +3110,19 @@ TEST(user_notification_basic)
EXPECT_EQ(true, WIFEXITED(status));
EXPECT_EQ(0, WEXITSTATUS(status));
- /* Add some no-op filters so for grins. */
+ /* Add some no-op filters for grins. */
EXPECT_EQ(seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog), 0);
EXPECT_EQ(seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog), 0);
EXPECT_EQ(seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog), 0);
EXPECT_EQ(seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog), 0);
/* Check that the basic notification machinery works */
- listener = user_trap_syscall(__NR_getpid,
+ listener = user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
/* Installing a second listener in the chain should EBUSY */
- EXPECT_EQ(user_trap_syscall(__NR_getpid,
+ EXPECT_EQ(user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER),
-1);
EXPECT_EQ(errno, EBUSY);
@@ -3098,7 +3131,7 @@ TEST(user_notification_basic)
ASSERT_GE(pid, 0);
if (pid == 0) {
- ret = syscall(__NR_getpid);
+ ret = syscall(__NR_getppid);
exit(ret != USER_NOTIF_MAGIC);
}
@@ -3116,7 +3149,7 @@ TEST(user_notification_basic)
EXPECT_GT(poll(&pollfd, 1, -1), 0);
EXPECT_EQ(pollfd.revents, POLLOUT);
- EXPECT_EQ(req.data.nr, __NR_getpid);
+ EXPECT_EQ(req.data.nr, __NR_getppid);
resp.id = req.id;
resp.error = 0;
@@ -3143,7 +3176,12 @@ TEST(user_notification_kill_in_middle)
struct seccomp_notif req = {};
struct seccomp_notif_resp resp = {};
- listener = user_trap_syscall(__NR_getpid,
+ ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
+ ASSERT_EQ(0, ret) {
+ TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!");
+ }
+
+ listener = user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
@@ -3155,7 +3193,7 @@ TEST(user_notification_kill_in_middle)
ASSERT_GE(pid, 0);
if (pid == 0) {
- ret = syscall(__NR_getpid);
+ ret = syscall(__NR_getppid);
exit(ret != USER_NOTIF_MAGIC);
}
@@ -3190,6 +3228,11 @@ TEST(user_notification_signal)
struct seccomp_notif_resp resp = {};
char c;
+ ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
+ ASSERT_EQ(0, ret) {
+ TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!");
+ }
+
ASSERT_EQ(socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sk_pair), 0);
listener = user_trap_syscall(__NR_gettid,
@@ -3255,7 +3298,12 @@ TEST(user_notification_closed_listener)
long ret;
int status, listener;
- listener = user_trap_syscall(__NR_getpid,
+ ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
+ ASSERT_EQ(0, ret) {
+ TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!");
+ }
+
+ listener = user_trap_syscall(__NR_getppid,
SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
@@ -3266,7 +3314,7 @@ TEST(user_notification_closed_listener)
ASSERT_GE(pid, 0);
if (pid == 0) {
close(listener);
- ret = syscall(__NR_getpid);
+ ret = syscall(__NR_getppid);
exit(ret != -1 && errno != ENOSYS);
}
@@ -3287,16 +3335,17 @@ TEST(user_notification_child_pid_ns)
struct seccomp_notif req = {};
struct seccomp_notif_resp resp = {};
- ASSERT_EQ(unshare(CLONE_NEWPID), 0);
+ ASSERT_EQ(unshare(CLONE_NEWUSER | CLONE_NEWPID), 0);
- listener = user_trap_syscall(__NR_getpid, SECCOMP_FILTER_FLAG_NEW_LISTENER);
+ listener = user_trap_syscall(__NR_getppid,
+ SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
pid = fork();
ASSERT_GE(pid, 0);
if (pid == 0)
- exit(syscall(__NR_getpid) != USER_NOTIF_MAGIC);
+ exit(syscall(__NR_getppid) != USER_NOTIF_MAGIC);
EXPECT_EQ(ioctl(listener, SECCOMP_IOCTL_NOTIF_RECV, &req), 0);
EXPECT_EQ(req.pid, pid);
@@ -3324,7 +3373,12 @@ TEST(user_notification_sibling_pid_ns)
struct seccomp_notif req = {};
struct seccomp_notif_resp resp = {};
- listener = user_trap_syscall(__NR_getpid, SECCOMP_FILTER_FLAG_NEW_LISTENER);
+ ASSERT_EQ(prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0), 0) {
+ TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!");
+ }
+
+ listener = user_trap_syscall(__NR_getppid,
+ SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
pid = fork();
@@ -3337,7 +3391,7 @@ TEST(user_notification_sibling_pid_ns)
ASSERT_GE(pid2, 0);
if (pid2 == 0)
- exit(syscall(__NR_getpid) != USER_NOTIF_MAGIC);
+ exit(syscall(__NR_getppid) != USER_NOTIF_MAGIC);
EXPECT_EQ(waitpid(pid2, &status, 0), pid2);
EXPECT_EQ(true, WIFEXITED(status));
@@ -3346,11 +3400,11 @@ TEST(user_notification_sibling_pid_ns)
}
/* Create the sibling ns, and sibling in it. */
- EXPECT_EQ(unshare(CLONE_NEWPID), 0);
- EXPECT_EQ(errno, 0);
+ ASSERT_EQ(unshare(CLONE_NEWPID), 0);
+ ASSERT_EQ(errno, 0);
pid2 = fork();
- EXPECT_GE(pid2, 0);
+ ASSERT_GE(pid2, 0);
if (pid2 == 0) {
ASSERT_EQ(ioctl(listener, SECCOMP_IOCTL_NOTIF_RECV, &req), 0);
@@ -3358,7 +3412,7 @@ TEST(user_notification_sibling_pid_ns)
* The pid should be 0, i.e. the task is in some namespace that
* we can't "see".
*/
- ASSERT_EQ(req.pid, 0);
+ EXPECT_EQ(req.pid, 0);
resp.id = req.id;
resp.error = 0;
@@ -3386,14 +3440,17 @@ TEST(user_notification_fault_recv)
struct seccomp_notif req = {};
struct seccomp_notif_resp resp = {};
- listener = user_trap_syscall(__NR_getpid, SECCOMP_FILTER_FLAG_NEW_LISTENER);
+ ASSERT_EQ(unshare(CLONE_NEWUSER), 0);
+
+ listener = user_trap_syscall(__NR_getppid,
+ SECCOMP_FILTER_FLAG_NEW_LISTENER);
ASSERT_GE(listener, 0);
pid = fork();
ASSERT_GE(pid, 0);
if (pid == 0)
- exit(syscall(__NR_getpid) != USER_NOTIF_MAGIC);
+ exit(syscall(__NR_getppid) != USER_NOTIF_MAGIC);
/* Do a bad recv() */
EXPECT_EQ(ioctl(listener, SECCOMP_IOCTL_NOTIF_RECV, NULL), -1);
diff --git a/tools/testing/selftests/sigaltstack/Makefile b/tools/testing/selftests/sigaltstack/Makefile
index f68fbf80d8be..3e96d5d47036 100644
--- a/tools/testing/selftests/sigaltstack/Makefile
+++ b/tools/testing/selftests/sigaltstack/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS = -Wall
TEST_GEN_PROGS = sas
diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c
index 228c2ae47687..ad0f8df2ca0a 100644
--- a/tools/testing/selftests/sigaltstack/sas.c
+++ b/tools/testing/selftests/sigaltstack/sas.c
@@ -109,6 +109,7 @@ int main(void)
int err;
ksft_print_header();
+ ksft_set_plan(3);
sigemptyset(&act.sa_mask);
act.sa_flags = SA_ONSTACK | SA_SIGINFO;
diff --git a/tools/testing/selftests/size/Makefile b/tools/testing/selftests/size/Makefile
index 4685b3e421fc..b87facc00a6e 100644
--- a/tools/testing/selftests/size/Makefile
+++ b/tools/testing/selftests/size/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
CFLAGS := -static -ffreestanding -nostartfiles -s
TEST_GEN_PROGS := get_size
diff --git a/tools/testing/selftests/size/get_size.c b/tools/testing/selftests/size/get_size.c
index d4b59ab979a0..2ad45b944355 100644
--- a/tools/testing/selftests/size/get_size.c
+++ b/tools/testing/selftests/size/get_size.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2014 Sony Mobile Communications Inc.
*
- * Licensed under the terms of the GNU GPL License version 2
- *
* Selftest for runtime system size
*
* Prints the amount of RAM that the currently running system is using.
diff --git a/tools/testing/selftests/static_keys/Makefile b/tools/testing/selftests/static_keys/Makefile
index 9cdadf37f114..aa64104c7860 100644
--- a/tools/testing/selftests/static_keys/Makefile
+++ b/tools/testing/selftests/static_keys/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
# Makefile for static keys selftests
# No binaries, but make sure arg-less "make" doesn't trigger "run_tests"
diff --git a/tools/testing/selftests/sync/sync_test.c b/tools/testing/selftests/sync/sync_test.c
index 7f7938263c5c..3824b66f41a0 100644
--- a/tools/testing/selftests/sync/sync_test.c
+++ b/tools/testing/selftests/sync/sync_test.c
@@ -86,6 +86,7 @@ int main(void)
int err;
ksft_print_header();
+ ksft_set_plan(3 + 7);
sync_api_supported();
diff --git a/tools/testing/selftests/sysctl/Makefile b/tools/testing/selftests/sysctl/Makefile
index 95c320b354e8..110301f9f5be 100644
--- a/tools/testing/selftests/sysctl/Makefile
+++ b/tools/testing/selftests/sysctl/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
# Makefile for sysctl selftests.
# Expects kernel.sysctl_writes_strict=1.
diff --git a/tools/testing/selftests/sysctl/sysctl.sh b/tools/testing/selftests/sysctl/sysctl.sh
index 584eb8ea780a..6a970b127c9b 100755
--- a/tools/testing/selftests/sysctl/sysctl.sh
+++ b/tools/testing/selftests/sysctl/sysctl.sh
@@ -24,19 +24,21 @@ TEST_FILE=$(mktemp)
# This represents
#
-# TEST_ID:TEST_COUNT:ENABLED
+# TEST_ID:TEST_COUNT:ENABLED:TARGET
#
# TEST_ID: is the test id number
# TEST_COUNT: number of times we should run the test
# ENABLED: 1 if enabled, 0 otherwise
+# TARGET: test target file required on the test_sysctl module
#
# Once these are enabled please leave them as-is. Write your own test,
# we have tons of space.
-ALL_TESTS="0001:1:1"
-ALL_TESTS="$ALL_TESTS 0002:1:1"
-ALL_TESTS="$ALL_TESTS 0003:1:1"
-ALL_TESTS="$ALL_TESTS 0004:1:1"
-ALL_TESTS="$ALL_TESTS 0005:3:1"
+ALL_TESTS="0001:1:1:int_0001"
+ALL_TESTS="$ALL_TESTS 0002:1:1:string_0001"
+ALL_TESTS="$ALL_TESTS 0003:1:1:int_0002"
+ALL_TESTS="$ALL_TESTS 0004:1:1:uint_0001"
+ALL_TESTS="$ALL_TESTS 0005:3:1:int_0003"
+ALL_TESTS="$ALL_TESTS 0006:50:1:bitmap_0001"
test_modprobe()
{
@@ -149,6 +151,9 @@ reset_vals()
string_0001)
VAL="(none)"
;;
+ bitmap_0001)
+ VAL=""
+ ;;
*)
;;
esac
@@ -157,8 +162,10 @@ reset_vals()
set_orig()
{
- if [ ! -z $TARGET ]; then
- echo "${ORIG}" > "${TARGET}"
+ if [ ! -z $TARGET ] && [ ! -z $ORIG ]; then
+ if [ -f ${TARGET} ]; then
+ echo "${ORIG}" > "${TARGET}"
+ fi
fi
}
@@ -177,9 +184,25 @@ verify()
return 0
}
+# proc files get read a page at a time, which can confuse diff,
+# and get you incorrect results on proc files with long data. To use
+# diff against them you must first extract the output to a file, and
+# then compare against that file.
+verify_diff_proc_file()
+{
+ TMP_DUMP_FILE=$(mktemp)
+ cat $1 > $TMP_DUMP_FILE
+
+ if ! diff -w -q $TMP_DUMP_FILE $2; then
+ return 1
+ else
+ return 0
+ fi
+}
+
verify_diff_w()
{
- echo "$TEST_STR" | diff -q -w -u - $1
+ echo "$TEST_STR" | diff -q -w -u - $1 > /dev/null
return $?
}
@@ -290,6 +313,58 @@ run_numerictests()
test_rc
}
+check_failure()
+{
+ echo -n "Testing that $1 fails as expected..."
+ reset_vals
+ TEST_STR="$1"
+ orig="$(cat $TARGET)"
+ echo -n "$TEST_STR" > $TARGET 2> /dev/null
+
+ # write should fail and $TARGET should retain its original value
+ if [ $? = 0 ] || [ "$(cat $TARGET)" != "$orig" ]; then
+ echo "FAIL" >&2
+ rc=1
+ else
+ echo "ok"
+ fi
+ test_rc
+}
+
+run_wideint_tests()
+{
+ # sysctl conversion functions receive a boolean sign and ulong
+ # magnitude; here we list the magnitudes we want to test (each of
+ # which will be tested in both positive and negative forms). Since
+ # none of these values fit in 32 bits, writing them to an int- or
+ # uint-typed sysctl should fail.
+ local magnitudes=(
+ # common boundary-condition values (zero, +1, -1, INT_MIN,
+ # and INT_MAX respectively) if truncated to lower 32 bits
+ # (potential for being falsely deemed in range)
+ 0x0000000100000000
+ 0x0000000100000001
+ 0x00000001ffffffff
+ 0x0000000180000000
+ 0x000000017fffffff
+
+ # these look like negatives, but without a leading '-' are
+ # actually large positives (should be rejected as above
+ # despite being zero/+1/-1/INT_MIN/INT_MAX in the lower 32)
+ 0xffffffff00000000
+ 0xffffffff00000001
+ 0xffffffffffffffff
+ 0xffffffff80000000
+ 0xffffffff7fffffff
+ )
+
+ for sign in '' '-'; do
+ for mag in "${magnitudes[@]}"; do
+ check_failure "${sign}${mag}"
+ done
+ done
+}
+
# Your test must accept digits 3 and 4 to use this
run_limit_digit()
{
@@ -548,20 +623,82 @@ run_stringtests()
test_rc
}
+target_exists()
+{
+ TARGET="${SYSCTL}/$1"
+ TEST_ID="$2"
+
+ if [ ! -f ${TARGET} ] ; then
+ echo "Target for test $TEST_ID: $TARGET not exist, skipping test ..."
+ return 0
+ fi
+ return 1
+}
+
+run_bitmaptest() {
+ # Total length of bitmaps string to use, a bit under
+ # the maximum input size of the test node
+ LENGTH=$((RANDOM % 65000))
+
+ # First bit to set
+ BIT=$((RANDOM % 1024))
+
+ # String containing our list of bits to set
+ TEST_STR=$BIT
+
+ # build up the string
+ while [ "${#TEST_STR}" -le "$LENGTH" ]; do
+ # Make sure next entry is discontiguous,
+ # skip ahead at least 2
+ BIT=$((BIT + $((2 + RANDOM % 10))))
+
+ # Add new bit to the list
+ TEST_STR="${TEST_STR},${BIT}"
+
+ # Randomly make it a range
+ if [ "$((RANDOM % 2))" -eq "1" ]; then
+ RANGE_END=$((BIT + $((1 + RANDOM % 10))))
+ TEST_STR="${TEST_STR}-${RANGE_END}"
+ BIT=$RANGE_END
+ fi
+ done
+
+ echo -n "Checking bitmap handler... "
+ TEST_FILE=$(mktemp)
+ echo -n "$TEST_STR" > $TEST_FILE
+
+ cat $TEST_FILE > $TARGET 2> /dev/null
+ if [ $? -ne 0 ]; then
+ echo "FAIL" >&2
+ rc=1
+ test_rc
+ fi
+
+ if ! verify_diff_proc_file "$TARGET" "$TEST_FILE"; then
+ echo "FAIL" >&2
+ rc=1
+ else
+ echo "ok"
+ rc=0
+ fi
+ test_rc
+}
+
sysctl_test_0001()
{
- TARGET="${SYSCTL}/int_0001"
+ TARGET="${SYSCTL}/$(get_test_target 0001)"
reset_vals
ORIG=$(cat "${TARGET}")
TEST_STR=$(( $ORIG + 1 ))
run_numerictests
+ run_wideint_tests
run_limit_digit
}
sysctl_test_0002()
{
- TARGET="${SYSCTL}/string_0001"
+ TARGET="${SYSCTL}/$(get_test_target 0002)"
reset_vals
ORIG=$(cat "${TARGET}")
TEST_STR="Testing sysctl"
@@ -574,37 +711,47 @@ sysctl_test_0002()
sysctl_test_0003()
{
- TARGET="${SYSCTL}/int_0002"
+ TARGET="${SYSCTL}/$(get_test_target 0003)"
reset_vals
ORIG=$(cat "${TARGET}")
TEST_STR=$(( $ORIG + 1 ))
run_numerictests
+ run_wideint_tests
run_limit_digit
run_limit_digit_int
}
sysctl_test_0004()
{
- TARGET="${SYSCTL}/uint_0001"
+ TARGET="${SYSCTL}/$(get_test_target 0004)"
reset_vals
ORIG=$(cat "${TARGET}")
TEST_STR=$(( $ORIG + 1 ))
run_numerictests
+ run_wideint_tests
run_limit_digit
run_limit_digit_uint
}
sysctl_test_0005()
{
- TARGET="${SYSCTL}/int_0003"
+ TARGET="${SYSCTL}/$(get_test_target 0005)"
reset_vals
ORIG=$(cat "${TARGET}")
run_limit_digit_int_array
}
+sysctl_test_0006()
+{
+ TARGET="${SYSCTL}/bitmap_0001"
+ reset_vals
+ ORIG=""
+ run_bitmaptest
+}
+
list_tests()
{
echo "Test ID list:"
@@ -618,10 +765,9 @@ list_tests()
echo "0003 x $(get_test_count 0003) - tests proc_dointvec()"
echo "0004 x $(get_test_count 0004) - tests proc_douintvec()"
echo "0005 x $(get_test_count 0005) - tests proc_douintvec() array"
+ echo "0006 x $(get_test_count 0006) - tests proc_do_large_bitmap()"
}
-test_reqs
-
usage()
{
NUM_TESTS=$(grep -o ' ' <<<"$ALL_TESTS" | grep -c .)
@@ -669,25 +815,35 @@ function get_test_count()
{
test_num $1
TEST_DATA=$(echo $ALL_TESTS | awk '{print $'$1'}')
- LAST_TWO=${TEST_DATA#*:*}
- echo ${LAST_TWO%:*}
+ echo ${TEST_DATA} | awk -F":" '{print $2}'
}
function get_test_enabled()
{
test_num $1
TEST_DATA=$(echo $ALL_TESTS | awk '{print $'$1'}')
- echo ${TEST_DATA#*:*:}
+ echo ${TEST_DATA} | awk -F":" '{print $3}'
+}
+
+function get_test_target()
+{
+ test_num $1
+ TEST_DATA=$(echo $ALL_TESTS | awk '{print $'$1'}')
+ echo ${TEST_DATA} | awk -F":" '{print $4}'
}
function run_all_tests()
{
for i in $ALL_TESTS ; do
- TEST_ID=${i%:*:*}
+ TEST_ID=${i%:*:*:*}
ENABLED=$(get_test_enabled $TEST_ID)
TEST_COUNT=$(get_test_count $TEST_ID)
+ TEST_TARGET=$(get_test_target $TEST_ID)
+ if target_exists $TEST_TARGET $TEST_ID; then
+ continue
+ fi
if [[ $ENABLED -eq "1" ]]; then
- test_case $TEST_ID $TEST_COUNT
+ test_case $TEST_ID $TEST_COUNT $TEST_TARGET
fi
done
}
@@ -720,12 +876,14 @@ function watch_case()
function test_case()
{
- NUM_TESTS=$DEFAULT_NUM_TESTS
- if [ $# -eq 2 ]; then
- NUM_TESTS=$2
- fi
+ NUM_TESTS=$2
i=0
+
+ if target_exists $3 $1; then
+ continue
+ fi
+
while [ $i -lt $NUM_TESTS ]; do
test_num $1
watch_log $i ${TEST_NAME}_test_$1 noclear
@@ -748,15 +906,15 @@ function parse_args()
elif [[ "$1" = "-t" ]]; then
shift
test_num $1
- test_case $1 $(get_test_count $1)
+ test_case $1 $(get_test_count $1) $(get_test_target $1)
elif [[ "$1" = "-c" ]]; then
shift
test_num $1
test_num $2
- test_case $1 $2
+ test_case $1 $2 $(get_test_target $1)
elif [[ "$1" = "-s" ]]; then
shift
- test_case $1 1
+ test_case $1 1 $(get_test_target $1)
elif [[ "$1" = "-l" ]]; then
list_tests
elif [[ "$1" = "-h" || "$1" = "--help" ]]; then
@@ -770,8 +928,8 @@ function parse_args()
test_reqs
allow_user_defaults
check_production_sysctl_writes_strict
-test_modprobe
load_req_mod
+test_modprobe
trap "test_finish" EXIT
diff --git a/tools/testing/selftests/tc-testing/.gitignore b/tools/testing/selftests/tc-testing/.gitignore
index c5cc160948b3..c26d72e0166f 100644
--- a/tools/testing/selftests/tc-testing/.gitignore
+++ b/tools/testing/selftests/tc-testing/.gitignore
@@ -3,3 +3,4 @@ __pycache__/
plugins/
*.xml
*.tap
+tdc_config_local.py
diff --git a/tools/testing/selftests/tc-testing/README b/tools/testing/selftests/tc-testing/README
index f9281e8aa313..22e5da9008fd 100644
--- a/tools/testing/selftests/tc-testing/README
+++ b/tools/testing/selftests/tc-testing/README
@@ -12,10 +12,10 @@ REQUIREMENTS
* Minimum Python version of 3.4. Earlier 3.X versions may work but are not
guaranteed.
-* The kernel must have network namespace support
+* The kernel must have network namespace support if using nsPlugin
* The kernel must have veth support available, as a veth pair is created
- prior to running the tests.
+ prior to running the tests when using nsPlugin.
* The kernel must have the appropriate infrastructure enabled to run all tdc
unit tests. See the config file in this directory for minimum required
@@ -53,8 +53,12 @@ commands being tested must be run as root. The code that enforces
execution by root uid has been moved into a plugin (see PLUGIN
ARCHITECTURE, below).
-If nsPlugin is linked, all tests are executed inside a network
-namespace to prevent conflicts within the host.
+Tests that use a network device should have nsPlugin.py listed as a
+requirement for that test. nsPlugin executes all commands within a
+network namespace and creates a veth pair which may be used in those test
+cases. To disable execution within the namespace, pass the -N option
+to tdc when starting a test run; the veth pair will still be created
+by the plugin.
Running tdc without any arguments will run all tests. Refer to the section
on command line arguments for more information, or run:
@@ -154,8 +158,8 @@ action:
netns:
options for nsPlugin (run commands in net namespace)
- -n, --namespace
- Run commands in namespace as specified in tdc_config.py
+ -N, --no-namespace
+ Do not run commands in a network namespace.
valgrind:
options for valgrindPlugin (run command under test under Valgrind)
@@ -171,7 +175,8 @@ was in the tdc.py script has been moved into the plugins.
The plugins are in the directory plugin-lib. The are executed from
directory plugins. Put symbolic links from plugins to plugin-lib,
-and name them according to the order you want them to run.
+and name them according to the order you want them to run. This is not
+necessary if a test case being run requires a specific plugin to work.
Example:
@@ -223,7 +228,8 @@ directory:
- rootPlugin.py:
implements the enforcement of running as root
- nsPlugin.py:
- sets up a network namespace and runs all commands in that namespace
+ sets up a network namespace and runs all commands in that namespace,
+ while also setting up dummy devices to be used in testing.
- valgrindPlugin.py
runs each command in the execute stage under valgrind,
and checks for leaks.
diff --git a/tools/testing/selftests/tc-testing/TdcPlugin.py b/tools/testing/selftests/tc-testing/TdcPlugin.py
index 1d9e279331eb..79f3ca8617c9 100644
--- a/tools/testing/selftests/tc-testing/TdcPlugin.py
+++ b/tools/testing/selftests/tc-testing/TdcPlugin.py
@@ -18,13 +18,12 @@ class TdcPlugin:
if self.args.verbose > 1:
print(' -- {}.post_suite'.format(self.sub_class))
- def pre_case(self, test_ordinal, testid, test_name):
+ def pre_case(self, caseinfo, test_skip):
'''run commands before test_runner does one test'''
if self.args.verbose > 1:
print(' -- {}.pre_case'.format(self.sub_class))
- self.args.testid = testid
- self.args.test_name = test_name
- self.args.test_ordinal = test_ordinal
+ self.args.caseinfo = caseinfo
+ self.args.test_skip = test_skip
def post_case(self):
'''run commands after test_runner does one test'''
diff --git a/tools/testing/selftests/tc-testing/config b/tools/testing/selftests/tc-testing/config
index 203302065458..7c551968d184 100644
--- a/tools/testing/selftests/tc-testing/config
+++ b/tools/testing/selftests/tc-testing/config
@@ -38,11 +38,12 @@ CONFIG_NET_ACT_CSUM=m
CONFIG_NET_ACT_VLAN=m
CONFIG_NET_ACT_BPF=m
CONFIG_NET_ACT_CONNMARK=m
+CONFIG_NET_ACT_CTINFO=m
CONFIG_NET_ACT_SKBMOD=m
CONFIG_NET_ACT_IFE=m
CONFIG_NET_ACT_TUNNEL_KEY=m
+CONFIG_NET_ACT_MPLS=m
CONFIG_NET_IFE_SKBMARK=m
CONFIG_NET_IFE_SKBPRIO=m
CONFIG_NET_IFE_SKBTCINDEX=m
-CONFIG_NET_CLS_IND=y
CONFIG_NET_SCH_FIFO=y
diff --git a/tools/testing/selftests/tc-testing/creating-testcases/AddingTestCases.txt b/tools/testing/selftests/tc-testing/creating-testcases/AddingTestCases.txt
index 17b267dedbd9..a28571aff0e1 100644
--- a/tools/testing/selftests/tc-testing/creating-testcases/AddingTestCases.txt
+++ b/tools/testing/selftests/tc-testing/creating-testcases/AddingTestCases.txt
@@ -33,6 +33,11 @@ Each test case has required data:
id: A unique alphanumeric value to identify a particular test case
name: Descriptive name that explains the command under test
+skip: A completely optional key, if the corresponding value is "yes"
+ then tdc will not execute the test case in question. However,
+ this test case will still appear in the results output but
+ marked as skipped. This key can be placed anywhere inside the
+ test case at the top level.
category: A list of single-word descriptions covering what the command
under test is testing. Example: filter, actions, u32, gact, etc.
setup: The list of commands required to ensure the command under test
diff --git a/tools/testing/selftests/tc-testing/creating-testcases/scapy-example.json b/tools/testing/selftests/tc-testing/creating-testcases/scapy-example.json
new file mode 100644
index 000000000000..5a9377b72d7f
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/creating-testcases/scapy-example.json
@@ -0,0 +1,98 @@
+[
+ {
+ "id": "b1e9",
+ "name": "Test matching of source IP",
+ "category": [
+ "actions",
+ "scapy"
+ ],
+ "plugins": {
+ "requires": [
+ "nsPlugin",
+ "scapyPlugin"
+ ]
+ },
+ "setup": [
+ [
+ "$TC qdisc del dev $DEV1 ingress",
+ 0,
+ 1,
+ 2,
+ 255
+ ],
+ "$TC qdisc add dev $DEV1 ingress"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: prio 3 protocol ip flower src_ip 16.61.16.61 flowid 1:1 action ok",
+ "scapy": {
+ "iface": "$DEV0",
+ "count": 1,
+ "packet": "Ether(type=0x800)/IP(src='16.61.16.61')/ICMP()"
+ },
+ "expExitCode": "0",
+ "verifyCmd": "$TC -s -j filter ls dev $DEV1 ingress prio 3",
+ "matchJSON": [
+ {
+ "path": [
+ 1,
+ "options",
+ "actions",
+ 0,
+ "stats",
+ "packets"
+ ],
+ "value": 1
+ }
+ ],
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress"
+ ]
+ },
+ {
+ "id": "e9c4",
+ "name": "Test matching of source IP with wrong count",
+ "category": [
+ "actions",
+ "scapy"
+ ],
+ "plugins": {
+ "requires": [
+ "nsPlugin",
+ "scapyPlugin"
+ ]
+ },
+ "setup": [
+ [
+ "$TC qdisc del dev $DEV1 ingress",
+ 0,
+ 1,
+ 2,
+ 255
+ ],
+ "$TC qdisc add dev $DEV1 ingress"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: prio 3 protocol ip flower src_ip 16.61.16.61 flowid 1:1 action ok",
+ "scapy": {
+ "iface": "$DEV0",
+ "count": 3,
+ "packet": "Ether(type=0x800)/IP(src='16.61.16.61')/ICMP()"
+ },
+ "expExitCode": "0",
+ "verifyCmd": "$TC -s -j filter ls dev $DEV1 parent ffff:",
+ "matchJSON": [
+ {
+ "path": [
+ 1,
+ "options",
+ "actions",
+ 0,
+ "stats",
+ "packets"
+ ],
+ "value": 1
+ }
+ ],
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress"
+ ]
+ }
+]
diff --git a/tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py b/tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py
index 9f0ba10c44b4..e98c36750fae 100644
--- a/tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py
+++ b/tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py
@@ -34,8 +34,9 @@ class SubPlugin(TdcPlugin):
'buildebpf',
'options for buildebpfPlugin')
self.argparser_group.add_argument(
- '-B', '--buildebpf', action='store_true',
- help='build eBPF programs')
+ '--nobuildebpf', action='store_false', default=True,
+ dest='buildebpf',
+ help='Don\'t build eBPF programs')
return self.argparser
diff --git a/tools/testing/selftests/tc-testing/plugin-lib/nsPlugin.py b/tools/testing/selftests/tc-testing/plugin-lib/nsPlugin.py
index a194b1af2b30..affa7f2d9670 100644
--- a/tools/testing/selftests/tc-testing/plugin-lib/nsPlugin.py
+++ b/tools/testing/selftests/tc-testing/plugin-lib/nsPlugin.py
@@ -18,6 +18,8 @@ class SubPlugin(TdcPlugin):
if self.args.namespace:
self._ns_create()
+ else:
+ self._ports_create()
def post_suite(self, index):
'''run commands after test_runner goes into a test loop'''
@@ -27,6 +29,8 @@ class SubPlugin(TdcPlugin):
if self.args.namespace:
self._ns_destroy()
+ else:
+ self._ports_destroy()
def add_args(self, parser):
super().add_args(parser)
@@ -34,8 +38,8 @@ class SubPlugin(TdcPlugin):
'netns',
'options for nsPlugin(run commands in net namespace)')
self.argparser_group.add_argument(
- '-n', '--namespace', action='store_true',
- help='Run commands in namespace')
+ '-N', '--no-namespace', action='store_false', default=True,
+ dest='namespace', help='Don\'t run commands in namespace')
return self.argparser
def adjust_command(self, stage, command):
@@ -73,20 +77,30 @@ class SubPlugin(TdcPlugin):
print('adjust_command: return command [{}]'.format(command))
return command
+ def _ports_create(self):
+ cmd = 'ip link add $DEV0 type veth peer name $DEV1'
+ self._exec_cmd('pre', cmd)
+ cmd = 'ip link set $DEV0 up'
+ self._exec_cmd('pre', cmd)
+ if not self.args.namespace:
+ cmd = 'ip link set $DEV1 up'
+ self._exec_cmd('pre', cmd)
+
+ def _ports_destroy(self):
+ cmd = 'ip link del $DEV0'
+ self._exec_cmd('post', cmd)
+
def _ns_create(self):
'''
Create the network namespace in which the tests will be run and set up
the required network devices for it.
'''
+ self._ports_create()
if self.args.namespace:
cmd = 'ip netns add {}'.format(self.args.NAMES['NS'])
self._exec_cmd('pre', cmd)
- cmd = 'ip link add $DEV0 type veth peer name $DEV1'
- self._exec_cmd('pre', cmd)
cmd = 'ip link set $DEV1 netns {}'.format(self.args.NAMES['NS'])
self._exec_cmd('pre', cmd)
- cmd = 'ip link set $DEV0 up'
- self._exec_cmd('pre', cmd)
cmd = 'ip -n {} link set $DEV1 up'.format(self.args.NAMES['NS'])
self._exec_cmd('pre', cmd)
if self.args.device:
diff --git a/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py b/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py
new file mode 100644
index 000000000000..229ee185b27e
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+
+import os
+import signal
+from string import Template
+import subprocess
+import time
+from TdcPlugin import TdcPlugin
+
+from tdc_config import *
+
+try:
+ from scapy.all import *
+except ImportError:
+ print("Unable to import the scapy python module.")
+ print("\nIf not already installed, you may do so with:")
+ print("\t\tpip3 install scapy==2.4.2")
+ exit(1)
+
+class SubPlugin(TdcPlugin):
+ def __init__(self):
+ self.sub_class = 'scapy/SubPlugin'
+ super().__init__()
+
+ def post_execute(self):
+ if 'scapy' not in self.args.caseinfo:
+ if self.args.verbose:
+ print('{}.post_execute: no scapy info in test case'.format(self.sub_class))
+ return
+
+ # Check for required fields
+ scapyinfo = self.args.caseinfo['scapy']
+ scapy_keys = ['iface', 'count', 'packet']
+ missing_keys = []
+ keyfail = False
+ for k in scapy_keys:
+ if k not in scapyinfo:
+ keyfail = True
+ missing_keys.add(k)
+ if keyfail:
+ print('{}: Scapy block present in the test, but is missing info:'
+ .format(self.sub_class))
+ print('{}'.format(missing_keys))
+
+ pkt = eval(scapyinfo['packet'])
+ if '$' in scapyinfo['iface']:
+ tpl = Template(scapyinfo['iface'])
+ scapyinfo['iface'] = tpl.safe_substitute(NAMES)
+ for count in range(scapyinfo['count']):
+ sendp(pkt, iface=scapyinfo['iface'])
diff --git a/tools/testing/selftests/tc-testing/plugin-lib/valgrindPlugin.py b/tools/testing/selftests/tc-testing/plugin-lib/valgrindPlugin.py
index e00c798de0bb..4bb866575ea1 100644
--- a/tools/testing/selftests/tc-testing/plugin-lib/valgrindPlugin.py
+++ b/tools/testing/selftests/tc-testing/plugin-lib/valgrindPlugin.py
@@ -102,6 +102,14 @@ class SubPlugin(TdcPlugin):
if not self.args.valgrind:
return
+ res = TestResult('{}-mem'.format(self.args.testid),
+ '{} memory leak check'.format(self.args.test_name))
+ if self.args.test_skip:
+ res.set_result(ResultState.skip)
+ res.set_errormsg('Test case designated as skipped.')
+ self._add_results(res)
+ return
+
self.definitely_lost_re = re.compile(
r'definitely lost:\s+([,0-9]+)\s+bytes in\s+([,0-9]+)\sblocks', re.MULTILINE | re.DOTALL)
self.indirectly_lost_re = re.compile(
@@ -134,8 +142,6 @@ class SubPlugin(TdcPlugin):
nle_num = int(nle_mo.group(1))
mem_results = ''
- res = TestResult('{}-mem'.format(self.args.testid),
- '{} memory leak check'.format(self.args.test_name))
if (def_num > 0) or (ind_num > 0) or (pos_num > 0) or (nle_num > 0):
mem_results += 'not '
res.set_result(ResultState.fail)
@@ -146,12 +152,6 @@ class SubPlugin(TdcPlugin):
self._add_results(res)
- mem_results += 'ok {} - {}-mem # {}\n'.format(
- self.args.test_ordinal, self.args.testid, 'memory leak check')
- self._add_to_tap(mem_results)
- if mem_results.startswith('not '):
- print('{}'.format(content))
- self._add_to_tap(content)
def _add_results(self, res):
self._tsr.add_resultdata(res)
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/bpf.json b/tools/testing/selftests/tc-testing/tc-tests/actions/bpf.json
index 5970cee6d05f..47a3082b6661 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/bpf.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/bpf.json
@@ -54,6 +54,9 @@
"actions",
"bpf"
],
+ "plugins": {
+ "requires": "buildebpfPlugin"
+ },
"setup": [
[
"$TC action flush action bpf",
@@ -78,6 +81,9 @@
"actions",
"bpf"
],
+ "plugins": {
+ "requires": "buildebpfPlugin"
+ },
"setup": [
[
"$TC action flush action bpf",
@@ -286,5 +292,30 @@
"teardown": [
"$TC action flush action bpf"
]
+ },
+ {
+ "id": "b8a1",
+ "name": "Replace bpf action with invalid goto_chain control",
+ "category": [
+ "actions",
+ "bpf"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action bpf",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC action add action bpf bytecode '1,6 0 0 4294967295' pass index 90"
+ ],
+ "cmdUnderTest": "$TC action replace action bpf bytecode '1,6 0 0 4294967295' goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC action list action bpf",
+ "matchPattern": "action order [0-9]*: bpf.* default-action pass.*index 90",
+ "matchCount": "1",
+ "teardown": [
+ "$TC action flush action bpf"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/connmark.json b/tools/testing/selftests/tc-testing/tc-tests/actions/connmark.json
index 13147a1f5731..cadde8f41fcd 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/connmark.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/connmark.json
@@ -287,5 +287,30 @@
"teardown": [
"$TC actions flush action connmark"
]
+ },
+ {
+ "id": "c506",
+ "name": "Replace connmark with invalid goto chain control",
+ "category": [
+ "actions",
+ "connmark"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action connmark",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action connmark pass index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action connmark goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action connmark index 90",
+ "matchPattern": "action order [0-9]+: connmark zone 0 pass.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action connmark"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/csum.json b/tools/testing/selftests/tc-testing/tc-tests/actions/csum.json
index a022792d392a..ddabb2fbb7c7 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/csum.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/csum.json
@@ -500,5 +500,30 @@
"matchPattern": "^[ \t]+index [0-9]+ ref",
"matchCount": "0",
"teardown": []
+ },
+ {
+ "id": "d128",
+ "name": "Replace csum action with invalid goto chain control",
+ "category": [
+ "actions",
+ "csum"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action csum",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action csum iph index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action csum iph goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action csum index 90",
+ "matchPattern": "action order [0-9]*: csum \\(iph\\) action pass.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action csum"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/ct.json b/tools/testing/selftests/tc-testing/tc-tests/actions/ct.json
new file mode 100644
index 000000000000..62b82fe10c89
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/ct.json
@@ -0,0 +1,314 @@
+[
+ {
+ "id": "696a",
+ "name": "Add simple ct action",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct index 42",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct zone 0 pipe.*index 42 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "9f20",
+ "name": "Add ct clear action",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct clear index 42",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct clear pipe.*index 42 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "5bea",
+ "name": "Try ct with zone",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct zone 404 index 42",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct zone 404 pipe.*index 42 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "d5d6",
+ "name": "Try ct with zone, commit",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct zone 404 commit index 42",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct commit zone 404 pipe.*index 42 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "029f",
+ "name": "Try ct with zone, commit, mark",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct zone 404 commit mark 0x42 index 42",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct commit mark 66 zone 404 pipe.*index 42 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "a58d",
+ "name": "Try ct with zone, commit, mark, nat",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct zone 404 commit mark 0x42 nat src addr 5.5.5.7 index 42",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct commit mark 66 zone 404 nat src addr 5.5.5.7 pipe.*index 42 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "901b",
+ "name": "Try ct with full nat ipv4 range syntax",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct commit nat src addr 5.5.5.7-5.5.6.0 port 1000-2000 index 44",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct commit zone 0 nat src addr 5.5.5.7-5.5.6.0 port 1000-2000 pipe.*index 44 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "072b",
+ "name": "Try ct with full nat ipv6 syntax",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct commit nat src addr 2001::1 port 1000-2000 index 44",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct commit zone 0 nat src addr 2001::1 port 1000-2000 pipe.*index 44 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "3420",
+ "name": "Try ct with full nat ipv6 range syntax",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct commit nat src addr 2001::1-2001::10 port 1000-2000 index 44",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct commit zone 0 nat src addr 2001::1-2001::10 port 1000-2000 pipe.*index 44 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "4470",
+ "name": "Try ct with full nat ipv6 range syntax + force",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct commit force nat src addr 2001::1-2001::10 port 1000-2000 index 44",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct commit force zone 0 nat src addr 2001::1-2001::10 port 1000-2000 pipe.*index 44 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "5d88",
+ "name": "Try ct with label",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct label 123123 index 44",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct zone 0 label 12312300000000000000000000000000 pipe.*index 44 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "04d4",
+ "name": "Try ct with label with mask",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct label 12312300000000000000000000000001/ffffffff000000000000000000000001 index 44",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct zone 0 label 12312300000000000000000000000001/ffffffff000000000000000000000001 pipe.*index 44 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ },
+ {
+ "id": "9751",
+ "name": "Try ct with mark + mask",
+ "category": [
+ "actions",
+ "ct"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ct",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action ct mark 0x42/0xf0 index 42",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action ct",
+ "matchPattern": "action order [0-9]*: ct mark 66/0xf0 zone 0 pipe.*index 42 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ct"
+ ]
+ }
+]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json b/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json
index 89189a03ce3d..814b7a8a478b 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/gact.json
@@ -560,5 +560,30 @@
"teardown": [
"$TC actions flush action gact"
]
+ },
+ {
+ "id": "ca89",
+ "name": "Replace gact action with invalid goto chain control",
+ "category": [
+ "actions",
+ "gact"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action gact",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action pass random determ drop 2 index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action goto chain 42 random determ drop 5 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action gact",
+ "matchPattern": "action order [0-9]*: gact action pass.*random type determ drop val 2.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action gact"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/ife.json b/tools/testing/selftests/tc-testing/tc-tests/actions/ife.json
index 0da3545cabdb..c13a68b98fc7 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/ife.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/ife.json
@@ -1060,5 +1060,30 @@
"matchPattern": "action order [0-9]*: ife encode action pipe.*allow prio.*index 4",
"matchCount": "0",
"teardown": []
+ },
+ {
+ "id": "a0e2",
+ "name": "Replace ife encode action with invalid goto chain control",
+ "category": [
+ "actions",
+ "ife"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action ife",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action ife encode allow mark pass index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action ife encode allow mark goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action ife index 90",
+ "matchPattern": "action order [0-9]*: ife encode action pass.*type 0[xX]ED3E .*allow mark.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action ife"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/mirred.json b/tools/testing/selftests/tc-testing/tc-tests/actions/mirred.json
index db49fd0f8445..2232b21e2510 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/mirred.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/mirred.json
@@ -434,5 +434,124 @@
"teardown": [
"$TC actions flush action mirred"
]
+ },
+ {
+ "id": "2a9a",
+ "name": "Replace mirred action with invalid goto chain control",
+ "category": [
+ "actions",
+ "mirred"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mirred",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action mirred ingress mirror dev lo drop index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action mirred ingress mirror dev lo goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action mirred index 90",
+ "matchPattern": "action order [0-9]*: mirred \\(Ingress Mirror to device lo\\) drop.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mirred"
+ ]
+ },
+ {
+ "id": "4749",
+ "name": "Add batch of 32 mirred redirect egress actions with cookie",
+ "category": [
+ "actions",
+ "mirred"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mirred",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action mirred egress redirect dev lo index \\$i cookie aabbccddeeff112233445566778800a1 \\\"; args=\"\\$args\\$cmd\"; done && $TC actions add \\$args\"",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mirred",
+ "matchPattern": "^[ \t]+index [0-9]+ ref",
+ "matchCount": "32",
+ "teardown": [
+ "$TC actions flush action mirred"
+ ]
+ },
+ {
+ "id": "5c69",
+ "name": "Delete batch of 32 mirred redirect egress actions",
+ "category": [
+ "actions",
+ "mirred"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mirred",
+ 0,
+ 1,
+ 255
+ ],
+ "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action mirred egress redirect dev lo index \\$i \\\"; args=\\\"\\$args\\$cmd\\\"; done && $TC actions add \\$args\""
+ ],
+ "cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action mirred index \\$i \\\"; args=\"\\$args\\$cmd\"; done && $TC actions del \\$args\"",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mirred",
+ "matchPattern": "^[ \t]+index [0-9]+ ref",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "d3c0",
+ "name": "Add batch of 32 mirred mirror ingress actions with cookie",
+ "category": [
+ "actions",
+ "mirred"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mirred",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action mirred ingress mirror dev lo index \\$i cookie aabbccddeeff112233445566778800a1 \\\"; args=\"\\$args\\$cmd\"; done && $TC actions add \\$args\"",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mirred",
+ "matchPattern": "^[ \t]+index [0-9]+ ref",
+ "matchCount": "32",
+ "teardown": [
+ "$TC actions flush action mirred"
+ ]
+ },
+ {
+ "id": "e684",
+ "name": "Delete batch of 32 mirred mirror ingress actions",
+ "category": [
+ "actions",
+ "mirred"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mirred",
+ 0,
+ 1,
+ 255
+ ],
+ "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action mirred ingress mirror dev lo index \\$i \\\"; args=\\\"\\$args\\$cmd\\\"; done && $TC actions add \\$args\""
+ ],
+ "cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action mirred index \\$i \\\"; args=\"\\$args\\$cmd\"; done && $TC actions del \\$args\"",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mirred",
+ "matchPattern": "^[ \t]+index [0-9]+ ref",
+ "matchCount": "0",
+ "teardown": []
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/mpls.json b/tools/testing/selftests/tc-testing/tc-tests/actions/mpls.json
new file mode 100644
index 000000000000..e31a080edc49
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/mpls.json
@@ -0,0 +1,1088 @@
+[
+ {
+ "id": "a933",
+ "name": "Add MPLS dec_ttl action with pipe opcode",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl pipe index 8",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*pipe.*index 8 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "08d1",
+ "name": "Add mpls dec_ttl action with pass opcode",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl pass index 8",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions get action mpls index 8",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*pass.*index 8 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "d786",
+ "name": "Add mpls dec_ttl action with drop opcode",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl drop index 8",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions get action mpls index 8",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*drop.*index 8 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "f334",
+ "name": "Add mpls dec_ttl action with reclassify opcode",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl reclassify index 8",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions get action mpls index 8",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*reclassify.*index 8 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "29bd",
+ "name": "Add mpls dec_ttl action with continue opcode",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl continue index 8",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions get action mpls index 8",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*continue.*index 8 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "48df",
+ "name": "Add mpls dec_ttl action with jump opcode",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl jump 10 index 8",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*jump 10.*index 8 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "62eb",
+ "name": "Add mpls dec_ttl action with trap opcode",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl trap index 8",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl trap.*index 8 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "9118",
+ "name": "Add mpls dec_ttl action with invalid opcode",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl foo index 8",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*foo.*index 8 ref",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "6ce1",
+ "name": "Add mpls dec_ttl action with label (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl label 20",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*label.*20.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "352f",
+ "name": "Add mpls dec_ttl action with tc (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl tc 3",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*tc.*3.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "fa1c",
+ "name": "Add mpls dec_ttl action with ttl (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl ttl 20",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*ttl.*20.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "6b79",
+ "name": "Add mpls dec_ttl action with bos (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls dec_ttl bos 1",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*dec_ttl.*bos.*1.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "d4c4",
+ "name": "Add mpls pop action with ip proto",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls pop protocol ipv4",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*pop.*protocol.*ip.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "92fe",
+ "name": "Add mpls pop action with mpls proto",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls pop protocol mpls_mc",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*pop.*protocol.*mpls_mc.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "7e23",
+ "name": "Add mpls pop action with no protocol (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls pop",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*pop.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "6182",
+ "name": "Add mpls pop action with label (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls pop protocol ipv4 label 20",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*pop.*label.*20.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "6475",
+ "name": "Add mpls pop action with tc (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls pop protocol ipv4 tc 3",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*pop.*tc.*3.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "067b",
+ "name": "Add mpls pop action with ttl (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls pop protocol ipv4 ttl 20",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*pop.*ttl.*20.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "7316",
+ "name": "Add mpls pop action with bos (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls pop protocol ipv4 bos 1",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*pop.*bos.*1.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "38cc",
+ "name": "Add mpls push action with label",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls push label 20",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_uc.*label.*20.*ttl.*[0-9]+.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "c281",
+ "name": "Add mpls push action with mpls_mc protocol",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls push protocol mpls_mc label 20",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_mc.*label.*20.*ttl.*[0-9]+.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "5db4",
+ "name": "Add mpls push action with label, tc and ttl",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls push label 20 tc 3 ttl 128",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_uc.*label.*20.*tc.*3.*ttl.*128.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "16eb",
+ "name": "Add mpls push action with label and bos",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls push label 20 bos 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_uc.*label.*20.*bos.*1.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "d69d",
+ "name": "Add mpls push action with no label (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls push",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_uc.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "e8e4",
+ "name": "Add mpls push action with ipv4 protocol (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls push protocol ipv4 label 20",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_uc.*label.*20.*ttl.*[0-9]+.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "ecd0",
+ "name": "Add mpls push action with out of range label (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls push label 1048576",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_uc.*label.*1048576.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "d303",
+ "name": "Add mpls push action with out of range tc (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls push label 20 tc 8",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_uc.*label.*20.*tc.*8.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "fd6e",
+ "name": "Add mpls push action with ttl of 0 (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls push label 20 ttl 0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_uc.*label.*20.*ttl.*0.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "19e9",
+ "name": "Add mpls mod action with mpls label",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod label 20",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*label.*20.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "1fde",
+ "name": "Add mpls mod action with max mpls label",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod label 0xfffff",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*label.*1048575.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "0c50",
+ "name": "Add mpls mod action with mpls label exceeding max (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod label 0x100000",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*label.*1048576.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "10b6",
+ "name": "Add mpls mod action with mpls label of MPLS_LABEL_IMPLNULL (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod label 3",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*label.*3.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "57c9",
+ "name": "Add mpls mod action with mpls min tc",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod tc 0",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*tc.*0.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "6872",
+ "name": "Add mpls mod action with mpls max tc",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod tc 7",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*tc.*7.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "a70a",
+ "name": "Add mpls mod action with mpls tc exceeding max (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod tc 8",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*tc.*4.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "6ed5",
+ "name": "Add mpls mod action with mpls ttl",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod ttl 128",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*ttl.*128.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "b80f",
+ "name": "Add mpls mod action with mpls max ttl",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod ttl 255",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*ttl.*255.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "8864",
+ "name": "Add mpls mod action with mpls min ttl",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod ttl 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*ttl.*1.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "6c06",
+ "name": "Add mpls mod action with mpls ttl of 0 (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod ttl 0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*ttl.*0.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "b5d8",
+ "name": "Add mpls mod action with mpls ttl exceeding max (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod ttl 256",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*ttl.*256.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "451f",
+ "name": "Add mpls mod action with mpls max bos",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod bos 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*bos.*1.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "a1ed",
+ "name": "Add mpls mod action with mpls min bos",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod bos 0",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*bos.*0.*pipe",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "3dcf",
+ "name": "Add mpls mod action with mpls bos exceeding max (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod bos 2",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*bos.*2.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "db7c",
+ "name": "Add mpls mod action with protocol (invalid)",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action mpls mod protocol ipv4",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*modify.*protocol.*ip.*pipe",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "b070",
+ "name": "Replace existing mpls push action with new ID",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action mpls push label 20 pipe index 12"
+ ],
+ "cmdUnderTest": "$TC actions replace action mpls push label 30 pipe index 12",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions get action mpls index 12",
+ "matchPattern": "action order [0-9]+: mpls.*push.*protocol.*mpls_uc.*label.*30.*pipe.*index 12 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action mpls"
+ ]
+ },
+ {
+ "id": "6cce",
+ "name": "Delete mpls pop action",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action mpls pop protocol ipv4 index 44"
+ ],
+ "cmdUnderTest": "$TC actions del action mpls index 44",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*pop.*index 44 ref",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "d138",
+ "name": "Flush mpls actions",
+ "category": [
+ "actions",
+ "mpls"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action mpls",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action mpls push label 10 index 10",
+ "$TC actions add action mpls push label 20 index 20",
+ "$TC actions add action mpls push label 30 index 30",
+ "$TC actions add action mpls push label 40 index 40"
+ ],
+ "cmdUnderTest": "$TC actions flush action mpls",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action mpls",
+ "matchPattern": "action order [0-9]+: mpls.*push.*",
+ "matchCount": "0",
+ "teardown": []
+ }
+]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/nat.json b/tools/testing/selftests/tc-testing/tc-tests/actions/nat.json
index 0080dc2fd41c..bc12c1ccad30 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/nat.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/nat.json
@@ -589,5 +589,30 @@
"teardown": [
"$TC actions flush action nat"
]
+ },
+ {
+ "id": "4b12",
+ "name": "Replace nat action with invalid goto chain control",
+ "category": [
+ "actions",
+ "nat"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action nat",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action nat ingress 1.18.1.1 1.18.2.2 drop index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action nat ingress 1.18.1.1 1.18.2.2 goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action nat index 90",
+ "matchPattern": "action order [0-9]+: nat ingress 1.18.1.1/32 1.18.2.2 drop.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action nat"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json b/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json
new file mode 100644
index 000000000000..0d319f1d01db
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json
@@ -0,0 +1,954 @@
+[
+ {
+ "id": "319a",
+ "name": "Add pedit action that mangles IP TTL",
+ "category": [
+ "actions",
+ "pedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge ip ttl set 10",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions ls action pedit",
+ "matchPattern": "action order [0-9]+: pedit action pass keys 1.*index 1 ref.*key #0 at ipv4\\+8: val 0a000000 mask 00ffffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "7e67",
+ "name": "Replace pedit action with invalid goto chain",
+ "category": [
+ "actions",
+ "pedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action pedit ex munge ip ttl set 10 pass index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action pedit ex munge ip ttl set 10 goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions ls action pedit",
+ "matchPattern": "action order [0-9]+: pedit action pass keys 1.*index 90 ref.*key #0 at ipv4\\+8: val 0a000000 mask 00ffffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "377e",
+ "name": "Add pedit action with RAW_OP offset u32",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 12 u32 set 0x90abcdef",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "12: val 90abcdef mask 00000000",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "a0ca",
+ "name": "Add pedit action with RAW_OP offset u32 (INVALID)",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 2 u32 set 0x12345678",
+ "expExitCode": "255",
+ "verifyCmd": "/bin/true",
+ "matchPattern": " ",
+ "matchCount": "0",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "dd8a",
+ "name": "Add pedit action with RAW_OP offset u16 u16",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 12 u16 set 0x1234 munge offset 14 u16 set 0x5678",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "val 12340000 mask 0000ffff.*val 00005678 mask ffff0000",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "53db",
+ "name": "Add pedit action with RAW_OP offset u16 (INVALID)",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 15 u16 set 0x1234",
+ "expExitCode": "255",
+ "verifyCmd": "/bin/true",
+ "matchPattern": " ",
+ "matchCount": "0",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "5c7e",
+ "name": "Add pedit action with RAW_OP offset u8 add value",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge offset 16 u8 add 0xf",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 16: add 0f000000 mask 00ffffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "2893",
+ "name": "Add pedit action with RAW_OP offset u8 quad",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 12 u8 set 0x12 munge offset 13 u8 set 0x34 munge offset 14 u8 set 0x56 munge offset 15 u8 set 0x78",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "val 12000000 mask 00ffffff.*val 00340000 mask ff00ffff.*val 00005600 mask ffff00ff.*val 00000078 mask ffffff00",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "3a07",
+ "name": "Add pedit action with RAW_OP offset u8-u16-u8",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 0 u8 set 0x12 munge offset 1 u16 set 0x3456 munge offset 3 u8 set 0x78",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "val 12000000 mask 00ffffff.*val 00345600 mask ff0000ff.*val 00000078 mask ffffff00",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "ab0f",
+ "name": "Add pedit action with RAW_OP offset u16-u8-u8",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 0 u16 set 0x1234 munge offset 2 u8 set 0x56 munge offset 3 u8 set 0x78",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "val 12340000 mask 0000ffff.*val 00005600 mask ffff00ff.*val 00000078 mask ffffff00",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "9d12",
+ "name": "Add pedit action with RAW_OP offset u32 set u16 clear u8 invert",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 0 u32 set 0x12345678 munge offset 1 u16 clear munge offset 2 u8 invert",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "val 12345678 mask 00000000.*val 00000000 mask ff0000ff.*val 0000ff00 mask ffffffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "ebfa",
+ "name": "Add pedit action with RAW_OP offset overflow u32 (INVALID)",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 0xffffffffffffffffffffffffffffffffffffffffff u32 set 0x1",
+ "expExitCode": "255",
+ "verifyCmd": "/bin/true",
+ "matchPattern": " ",
+ "matchCount": "0",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "f512",
+ "name": "Add pedit action with RAW_OP offset u16 at offmask shift set",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 12 u16 at 12 ffff 1 set 0xaaaa",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 12: val aaaa0000 mask 0000ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "c2cb",
+ "name": "Add pedit action with RAW_OP offset u32 retain value",
+ "category": [
+ "actions",
+ "pedit",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge offset 12 u32 set 0x12345678 retain 0xff00",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 12: val 00005600 mask ffff00ff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "86d4",
+ "name": "Add pedit action with LAYERED_OP eth set src & dst",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge eth src set 11:22:33:44:55:66 munge eth dst set ff:ee:dd:cc:bb:aa",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "eth\\+4: val 00001122 mask ffff0000.*eth\\+8: val 33445566 mask 00000000.*eth\\+0: val ffeeddcc mask 00000000.*eth\\+4: val bbaa0000 mask 0000ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "c715",
+ "name": "Add pedit action with LAYERED_OP eth set src (INVALID)",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge eth src set %e:11:m2:33:x4:-5",
+ "expExitCode": "255",
+ "verifyCmd": "/bin/true",
+ "matchPattern": " ",
+ "matchCount": "0",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "ba22",
+ "name": "Add pedit action with LAYERED_OP eth type set/clear sequence",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge eth type set 0x1 munge eth type clear munge eth type set 0x1 munge eth type clear munge eth type set 0x1 munge eth type clear munge eth type set 0x1 munge eth type clear munge eth type set 0x1 munge eth type clear munge eth type set 0x1 munge eth type clear",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "eth\\+12: val 00010000 mask 0000ffff.*eth\\+12: val 00000000 mask 0000ffff.*eth\\+12: val 00010000 mask 0000ffff.*eth\\+12: val 00000000 mask 0000ffff.*eth\\+12: val 00010000 mask 0000ffff.*eth\\+12: val 00000000 mask 0000ffff.*eth\\+12: val 00010000 mask 0000ffff.*eth\\+12: val 00000000 mask 0000ffff.*eth\\+12: val 00010000 mask 0000ffff.*eth\\+12: val 00000000 mask 0000ffff.*eth\\+12: val 00010000 mask 0000ffff.*eth\\+12: val 00000000 mask 0000ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "5810",
+ "name": "Add pedit action with LAYERED_OP ip set src & dst",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge ip src set 18.52.86.120 munge ip dst set 18.52.86.120",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 12: val 12345678 mask 00000000.* 16: val 12345678 mask 00000000",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "1092",
+ "name": "Add pedit action with LAYERED_OP ip set ihl & dsfield",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge ip ihl set 0xff munge ip dsfield set 0xff",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 0: val 0f000000 mask f0ffffff.* 0: val 00ff0000 mask ff00ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "02d8",
+ "name": "Add pedit action with LAYERED_OP ip set ttl & protocol",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge ip ttl set 0x1 munge ip protocol set 0xff",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 8: val 01000000 mask 00ffffff.* 8: val 00ff0000 mask ff00ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "3e2d",
+ "name": "Add pedit action with LAYERED_OP ip set ttl (INVALID)",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge ip ttl set 300",
+ "expExitCode": "255",
+ "verifyCmd": "/bin/true",
+ "matchPattern": " ",
+ "matchCount": "0",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "31ae",
+ "name": "Add pedit action with LAYERED_OP ip ttl clear/set",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge ip ttl clear munge ip ttl set 0x1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 8: val 00000000 mask 00ffffff.* 8: val 01000000 mask 00ffffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "486f",
+ "name": "Add pedit action with LAYERED_OP ip set duplicate fields",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge ip ttl set 0x1 munge ip ttl set 0x1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 8: val 01000000 mask 00ffffff.* 8: val 01000000 mask 00ffffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "e790",
+ "name": "Add pedit action with LAYERED_OP ip set ce, df, mf, firstfrag, nofrag fields",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge ip ce set 0xff munge ip df set 0xff munge ip mf set 0xff munge ip firstfrag set 0xff munge ip nofrag set 0xff",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 4: val 00008000 mask ffff7fff.* 4: val 00004000 mask ffffbfff.* 4: val 00002000 mask ffffdfff.* 4: val 00001f00 mask ffffe0ff.* 4: val 00003f00 mask ffffc0ff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "6829",
+ "name": "Add pedit action with LAYERED_OP beyond ip set dport & sport",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge ip dport set 0x1234 munge ip sport set 0x5678",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 20: val 00001234 mask ffff0000.* 20: val 56780000 mask 0000ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "afd8",
+ "name": "Add pedit action with LAYERED_OP beyond ip set icmp_type & icmp_code",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit munge ip icmp_type set 0xff munge ip icmp_code set 0xff",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": " 20: val ff000000 mask 00ffffff.* 20: val ff000000 mask 00ffffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "3143",
+ "name": "Add pedit action with LAYERED_OP beyond ip set dport (INVALID)",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge ip dport set 0x1234",
+ "expExitCode": "255",
+ "verifyCmd": "/bin/true",
+ "matchPattern": " ",
+ "matchCount": "0",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "fc1f",
+ "name": "Add pedit action with LAYERED_OP ip6 set src & dst",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge ip6 src set 2001:0db8:0:f101::1 munge ip6 dst set 2001:0db8:0:f101::1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "ipv6\\+8: val 20010db8 mask 00000000.*ipv6\\+12: val 0000f101 mask 00000000.*ipv6\\+16: val 00000000 mask 00000000.*ipv6\\+20: val 00000001 mask 00000000.*ipv6\\+24: val 20010db8 mask 00000000.*ipv6\\+28: val 0000f101 mask 00000000.*ipv6\\+32: val 00000000 mask 00000000.*ipv6\\+36: val 00000001 mask 00000000",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "6d34",
+ "name": "Add pedit action with LAYERED_OP ip6 dst retain value (INVALID)",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge ip6 dst set 2001:0db8:0:f101::1 retain 0xff0000",
+ "expExitCode": "255",
+ "verifyCmd": "/bin/true",
+ "matchPattern": " ",
+ "matchCount": "0",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "6f5e",
+ "name": "Add pedit action with LAYERED_OP ip6 flow_lbl",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge ip6 flow_lbl set 0xfffff",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "ipv6\\+0: val 0007ffff mask fff80000",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "6795",
+ "name": "Add pedit action with LAYERED_OP ip6 set payload_len, nexthdr, hoplimit",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge ip6 payload_len set 0xffff munge ip6 nexthdr set 0xff munge ip6 hoplimit set 0xff",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "ipv6\\+4: val ffff0000 mask 0000ffff.*ipv6\\+4: val 0000ff00 mask ffff00ff.*ipv6\\+4: val 000000ff mask ffffff00",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "1442",
+ "name": "Add pedit action with LAYERED_OP tcp set dport & sport",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge tcp dport set 4789 munge tcp sport set 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "tcp\\+0: val 000012b5 mask ffff0000.*tcp\\+0: val 00010000 mask 0000ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "b7ac",
+ "name": "Add pedit action with LAYERED_OP tcp sport set (INVALID)",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge tcp sport set -200",
+ "expExitCode": "255",
+ "verifyCmd": "/bin/true",
+ "matchPattern": " ",
+ "matchCount": "0",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "cfcc",
+ "name": "Add pedit action with LAYERED_OP tcp flags set",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge tcp flags set 0x16",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "tcp\\+12: val 00160000 mask ff00ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "3bc4",
+ "name": "Add pedit action with LAYERED_OP tcp set dport, sport & flags fields",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge tcp dport set 4789 munge tcp sport set 1 munge tcp flags set 0x1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "tcp\\+0: val 000012b5 mask ffff0000.*tcp\\+0: val 00010000 mask 0000ffff.*tcp\\+12: val 00010000 mask ff00ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "f1c8",
+ "name": "Add pedit action with LAYERED_OP udp set dport & sport",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge udp dport set 4789 munge udp sport set 4789",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "udp\\+0: val 000012b5 mask ffff0000.*udp\\+0: val 12b50000 mask 0000ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "d784",
+ "name": "Add pedit action with mixed RAW/LAYERED_OP #1",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge eth src set 11:22:33:44:55:66 munge ip ttl set 0xff munge tcp flags clear munge offset 15 u8 add 40 retain 0xf0 munge udp dport add 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "eth\\+4: val 00001122 mask ffff0000.*eth\\+8: val 33445566 mask 00000000.*ipv4\\+8: val ff000000 mask 00ffffff.*tcp\\+12: val 00000000 mask ff00ffff.* 12: add 00000020 mask ffffff0f.*udp\\+0: add 00000001 mask ffff0000",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
+ "id": "70ca",
+ "name": "Add pedit action with mixed RAW/LAYERED_OP #2",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op",
+ "raw_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge eth src set 11:22:33:44:55:66 munge eth dst set ff:ee:dd:cc:bb:aa munge ip6 payload_len set 0xffff munge ip6 nexthdr set 0xff munge ip6 hoplimit preserve munge offset 0 u8 set 0x12 munge offset 1 u16 set 0x3456 munge offset 3 u8 set 0x78 munge ip ttl set 0xaa munge ip protocol set 0xff",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit | grep 'key '",
+ "matchPattern": "eth\\+4: val 00001122 mask ffff0000.*eth\\+8: val 33445566 mask 00000000.*eth\\+0: val ffeeddcc mask 00000000.*eth\\+4: val bbaa0000 mask 0000ffff.*ipv6\\+4: val ffff0000 mask 0000ffff.*ipv6\\+4: val 0000ff00 mask ffff00ff.*ipv6\\+4: val 00000000 mask ffffffff.* 0: val 12000000 mask 00ffffff.* 0: val 00345600 mask ff0000ff.* 0: val 00000078 mask ffffff00.*ipv4\\+8: val aa000000 mask 00ffffff.*ipv4\\+8: val 00ff0000 mask ff00ffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ }
+
+]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/police.json b/tools/testing/selftests/tc-testing/tc-tests/actions/police.json
index 4086a50a670e..b8268da5adaa 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/police.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/police.json
@@ -739,5 +739,30 @@
"teardown": [
"$TC actions flush action police"
]
+ },
+ {
+ "id": "689e",
+ "name": "Replace police action with invalid goto chain control",
+ "category": [
+ "actions",
+ "police"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action police",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action police rate 3mbit burst 250k drop index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action police rate 3mbit burst 250k goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action police index 90",
+ "matchPattern": "action order [0-9]*: police 0x5a rate 3Mbit burst 250Kb mtu 2Kb action drop",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action police"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/sample.json b/tools/testing/selftests/tc-testing/tc-tests/actions/sample.json
index 3aca33c00039..ddabb160a11b 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/sample.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/sample.json
@@ -144,6 +144,30 @@
]
},
{
+ "id": "7571",
+ "name": "Add sample action with invalid rate",
+ "category": [
+ "actions",
+ "sample"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action sample",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action sample rate 0 group 1 index 2",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action sample index 2",
+ "matchPattern": "action order [0-9]+: sample rate 1/0 group 1.*index 2 ref",
+ "matchCount": "0",
+ "teardown": [
+ "$TC actions flush action sample"
+ ]
+ },
+ {
"id": "b6d4",
"name": "Add sample action with mandatory arguments and invalid control action",
"category": [
@@ -584,5 +608,30 @@
"teardown": [
"$TC actions flush action sample"
]
+ },
+ {
+ "id": "0a6e",
+ "name": "Replace sample action with invalid goto chain control",
+ "category": [
+ "actions",
+ "sample"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action sample",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action sample rate 1024 group 4 pass index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action sample rate 1024 group 7 goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action sample",
+ "matchPattern": "action order [0-9]+: sample rate 1/1024 group 4 pass.*index 90",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action sample"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/simple.json b/tools/testing/selftests/tc-testing/tc-tests/actions/simple.json
index e89a7aa4012d..8e8c1ae12260 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/simple.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/simple.json
@@ -126,5 +126,30 @@
"teardown": [
""
]
+ },
+ {
+ "id": "b776",
+ "name": "Replace simple action with invalid goto chain control",
+ "category": [
+ "actions",
+ "simple"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action simple",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action simple sdata \"hello\" pass index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action simple sdata \"world\" goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action simple",
+ "matchPattern": "action order [0-9]*: Simple <hello>.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action simple"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/skbedit.json b/tools/testing/selftests/tc-testing/tc-tests/actions/skbedit.json
index 5aaf593b914a..bf5ebf59c2d4 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/skbedit.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/skbedit.json
@@ -24,8 +24,32 @@
]
},
{
+ "id": "c8cf",
+ "name": "Add skbedit action with 32-bit maximum mark",
+ "category": [
+ "actions",
+ "skbedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action skbedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action skbedit mark 4294967295 pipe index 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions get action skbedit index 1",
+ "matchPattern": "action order [0-9]*: skbedit mark 4294967295.*pipe.*index 1",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action skbedit"
+ ]
+ },
+ {
"id": "407b",
- "name": "Add skbedit action with invalid mark",
+ "name": "Add skbedit action with mark exceeding 32-bit maximum",
"category": [
"actions",
"skbedit"
@@ -43,6 +67,121 @@
"verifyCmd": "$TC actions list action skbedit",
"matchPattern": "action order [0-9]*: skbedit mark",
"matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "d4cd",
+ "name": "Add skbedit action with valid mark and mask",
+ "category": [
+ "actions",
+ "skbedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action skbedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action skbedit mark 1/0xaabb",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action skbedit",
+ "matchPattern": "action order [0-9]*: skbedit mark 1/0xaabb",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action skbedit"
+ ]
+ },
+ {
+ "id": "baa7",
+ "name": "Add skbedit action with valid mark and 32-bit maximum mask",
+ "category": [
+ "actions",
+ "skbedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action skbedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action skbedit mark 1/0xffffffff",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action skbedit",
+ "matchPattern": "action order [0-9]*: skbedit mark 1/0xffffffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action skbedit"
+ ]
+ },
+ {
+ "id": "62a5",
+ "name": "Add skbedit action with valid mark and mask exceeding 32-bit maximum",
+ "category": [
+ "actions",
+ "skbedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action skbedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action skbedit mark 1/0xaabbccddeeff112233",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action skbedit",
+ "matchPattern": "action order [0-9]*: skbedit mark 1/0xaabbccddeeff112233",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "bc15",
+ "name": "Add skbedit action with valid mark and mask with invalid format",
+ "category": [
+ "actions",
+ "skbedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action skbedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action skbedit mark 1/-1234",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action skbedit",
+ "matchPattern": "action order [0-9]*: skbedit mark 1/-1234",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
+ "id": "57c2",
+ "name": "Replace skbedit action with new mask",
+ "category": [
+ "actions",
+ "skbedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action skbedit",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action skbedit mark 1/0x11223344 index 1"
+ ],
+ "cmdUnderTest": "$TC actions replace action skbedit mark 1/0xaabb index 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action skbedit",
+ "matchPattern": "action order [0-9]*: skbedit mark 1/0xaabb",
+ "matchCount": "1",
"teardown": [
"$TC actions flush action skbedit"
]
@@ -121,7 +260,7 @@
},
{
"id": "985c",
- "name": "Add skbedit action with invalid queue_mapping",
+ "name": "Add skbedit action with queue_mapping exceeding 16-bit maximum",
"category": [
"actions",
"skbedit"
@@ -413,7 +552,7 @@
},
{
"id": "a6d6",
- "name": "Add skbedit action with index",
+ "name": "Add skbedit action with index at 32-bit maximum",
"category": [
"actions",
"skbedit"
@@ -426,16 +565,38 @@
255
]
],
- "cmdUnderTest": "$TC actions add action skbedit mark 808 index 4040404040",
+ "cmdUnderTest": "$TC actions add action skbedit mark 808 index 4294967295",
"expExitCode": "0",
- "verifyCmd": "$TC actions list action skbedit",
- "matchPattern": "index 4040404040",
+ "verifyCmd": "$TC actions get action skbedit index 4294967295",
+ "matchPattern": "action order [0-9]*: skbedit mark 808.*index 4294967295",
"matchCount": "1",
"teardown": [
"$TC actions flush action skbedit"
]
},
{
+ "id": "f0f4",
+ "name": "Add skbedit action with index exceeding 32-bit maximum",
+ "category": [
+ "actions",
+ "skbedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action skbedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action skbedit mark 808 pass index 4294967297",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action skbedit index 4294967297",
+ "matchPattern": "action order [0-9]*:.*skbedit.*mark 808.*pass.*index 4294967297",
+ "matchCount": "0",
+ "teardown": []
+ },
+ {
"id": "38f3",
"name": "Delete skbedit action",
"category": [
@@ -484,5 +645,30 @@
"teardown": [
"$TC actions flush action skbedit"
]
+ },
+ {
+ "id": "1b2b",
+ "name": "Replace skbedit action with invalid goto_chain control",
+ "category": [
+ "actions",
+ "skbedit"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action skbedit",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action skbedit ptype host pass index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action skbedit ptype host goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions list action skbedit",
+ "matchPattern": "action order [0-9]*: skbedit ptype host pass.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action skbedit"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/skbmod.json b/tools/testing/selftests/tc-testing/tc-tests/actions/skbmod.json
index fe3326e939c1..6eb4c4f97060 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/skbmod.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/skbmod.json
@@ -392,5 +392,30 @@
"teardown": [
"$TC actions flush action skbmod"
]
+ },
+ {
+ "id": "b651",
+ "name": "Replace skbmod action with invalid goto_chain control",
+ "category": [
+ "actions",
+ "skbmod"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action skbmod",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action skbmod set etype 0x1111 pass index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action skbmod set etype 0x1111 goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions ls action skbmod",
+ "matchPattern": "action order [0-9]*: skbmod pass set etype 0x1111\\s+index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action skbmod"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/tunnel_key.json b/tools/testing/selftests/tc-testing/tc-tests/actions/tunnel_key.json
index e7e15a7336b6..28453a445fdb 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/tunnel_key.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/tunnel_key.json
@@ -884,5 +884,30 @@
"teardown": [
"$TC actions flush action tunnel_key"
]
+ },
+ {
+ "id": "8242",
+ "name": "Replace tunnel_key set action with invalid goto chain",
+ "category": [
+ "actions",
+ "tunnel_key"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action tunnel_key",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action tunnel_key set src_ip 10.10.10.1 dst_ip 20.20.20.2 dst_port 3128 nocsum id 1 pass index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action tunnel_key set src_ip 10.10.10.2 dst_ip 20.20.20.1 dst_port 3129 id 2 csum goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action tunnel_key index 90",
+ "matchPattern": "action order [0-9]+: tunnel_key.*set.*src_ip 10.10.10.1.*dst_ip 20.20.20.2.*key_id 1.*dst_port 3128.*csum pass.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action tunnel_key"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json b/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json
index 69ea09eefffc..cc7c7d758008 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json
@@ -688,5 +688,30 @@
"teardown": [
"$TC actions flush action vlan"
]
+ },
+ {
+ "id": "e394",
+ "name": "Replace vlan push action with invalid goto chain control",
+ "category": [
+ "actions",
+ "vlan"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action vlan",
+ 0,
+ 1,
+ 255
+ ],
+ "$TC actions add action vlan push id 500 pass index 90"
+ ],
+ "cmdUnderTest": "$TC actions replace action vlan push id 500 goto chain 42 index 90 cookie c1a0c1a0",
+ "expExitCode": "255",
+ "verifyCmd": "$TC actions get action vlan index 90",
+ "matchPattern": "action order [0-9]+: vlan.*push id 500 protocol 802.1Q priority 0 pass.*index 90 ref",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action vlan"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/concurrency.json b/tools/testing/selftests/tc-testing/tc-tests/filters/concurrency.json
new file mode 100644
index 000000000000..9002714b1851
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/filters/concurrency.json
@@ -0,0 +1,177 @@
+[
+ {
+ "id": "e41d",
+ "name": "Add 1M flower filters with 10 parallel tc instances",
+ "category": [
+ "filter",
+ "flower",
+ "concurrency"
+ ],
+ "setup": [
+ "/bin/mkdir $BATCH_DIR",
+ "$TC qdisc add dev $DEV2 ingress",
+ "./tdc_multibatch.py $DEV2 $BATCH_DIR 100000 10 add"
+ ],
+ "cmdUnderTest": "find $BATCH_DIR/add* -print | xargs -n 1 -P 10 $TC -b",
+ "expExitCode": "0",
+ "verifyCmd": "$TC -s filter show dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
+ "matchCount": "1000000",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress",
+ "/bin/rm -rf $BATCH_DIR"
+ ]
+ },
+ {
+ "id": "6f52",
+ "name": "Delete 1M flower filters with 10 parallel tc instances",
+ "category": [
+ "filter",
+ "flower",
+ "concurrency"
+ ],
+ "setup": [
+ "/bin/mkdir $BATCH_DIR",
+ "$TC qdisc add dev $DEV2 ingress",
+ "./tdc_multibatch.py $DEV2 $BATCH_DIR 1000000 1 add",
+ "$TC -b $BATCH_DIR/add_0",
+ "./tdc_multibatch.py $DEV2 $BATCH_DIR 100000 10 del"
+ ],
+ "cmdUnderTest": "find $BATCH_DIR/del* -print | xargs -n 1 -P 10 $TC -b",
+ "expExitCode": "0",
+ "verifyCmd": "$TC -s filter show dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
+ "matchCount": "0",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress",
+ "/bin/rm -rf $BATCH_DIR"
+ ]
+ },
+ {
+ "id": "c9da",
+ "name": "Replace 1M flower filters with 10 parallel tc instances",
+ "category": [
+ "filter",
+ "flower",
+ "concurrency"
+ ],
+ "setup": [
+ "/bin/mkdir $BATCH_DIR",
+ "$TC qdisc add dev $DEV2 ingress",
+ "./tdc_multibatch.py $DEV2 $BATCH_DIR 1000000 1 add",
+ "$TC -b $BATCH_DIR/add_0",
+ "./tdc_multibatch.py $DEV2 $BATCH_DIR 100000 10 replace"
+ ],
+ "cmdUnderTest": "find $BATCH_DIR/replace* -print | xargs -n 1 -P 10 $TC -b",
+ "expExitCode": "0",
+ "verifyCmd": "$TC -s filter show dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
+ "matchCount": "1000000",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress",
+ "/bin/rm -rf $BATCH_DIR"
+ ]
+ },
+ {
+ "id": "14be",
+ "name": "Concurrently replace same range of 100k flower filters from 10 tc instances",
+ "category": [
+ "filter",
+ "flower",
+ "concurrency"
+ ],
+ "setup": [
+ "/bin/mkdir $BATCH_DIR",
+ "$TC qdisc add dev $DEV2 ingress",
+ "./tdc_multibatch.py $DEV2 $BATCH_DIR 100000 1 add",
+ "$TC -b $BATCH_DIR/add_0",
+ "./tdc_multibatch.py -d $DEV2 $BATCH_DIR 100000 10 replace"
+ ],
+ "cmdUnderTest": "find $BATCH_DIR/replace* -print | xargs -n 1 -P 10 $TC -b",
+ "expExitCode": "0",
+ "verifyCmd": "$TC -s filter show dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
+ "matchCount": "100000",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress",
+ "/bin/rm -rf $BATCH_DIR"
+ ]
+ },
+ {
+ "id": "0c44",
+ "name": "Concurrently delete same range of 100k flower filters from 10 tc instances",
+ "category": [
+ "filter",
+ "flower",
+ "concurrency"
+ ],
+ "setup": [
+ "/bin/mkdir $BATCH_DIR",
+ "$TC qdisc add dev $DEV2 ingress",
+ "./tdc_multibatch.py $DEV2 $BATCH_DIR 100000 1 add",
+ "$TC -b $BATCH_DIR/add_0",
+ "./tdc_multibatch.py -d $DEV2 $BATCH_DIR 100000 10 del"
+ ],
+ "cmdUnderTest": "find $BATCH_DIR/del* -print | xargs -n 1 -P 10 $TC -f -b",
+ "expExitCode": "123",
+ "verifyCmd": "$TC -s filter show dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
+ "matchCount": "0",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress",
+ "/bin/rm -rf $BATCH_DIR"
+ ]
+ },
+ {
+ "id": "ab62",
+ "name": "Add and delete from same tp with 10 tc instances",
+ "category": [
+ "filter",
+ "flower",
+ "concurrency"
+ ],
+ "setup": [
+ "/bin/mkdir $BATCH_DIR",
+ "$TC qdisc add dev $DEV2 ingress",
+ "./tdc_multibatch.py -x init_ $DEV2 $BATCH_DIR 100000 5 add",
+ "find $BATCH_DIR/init_* -print | xargs -n 1 -P 5 $TC -b",
+ "./tdc_multibatch.py -x par_ -a 500001 -m 5 $DEV2 $BATCH_DIR 100000 5 add",
+ "./tdc_multibatch.py -x par_ $DEV2 $BATCH_DIR 100000 5 del"
+ ],
+ "cmdUnderTest": "find $BATCH_DIR/par_* -print | xargs -n 1 -P 10 $TC -b",
+ "expExitCode": "0",
+ "verifyCmd": "$TC -s filter show dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
+ "matchCount": "500000",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress",
+ "/bin/rm -rf $BATCH_DIR"
+ ]
+ },
+ {
+ "id": "6e8f",
+ "name": "Replace and delete from same tp with 10 tc instances",
+ "category": [
+ "filter",
+ "flower",
+ "concurrency"
+ ],
+ "setup": [
+ "/bin/mkdir $BATCH_DIR",
+ "$TC qdisc add dev $DEV2 ingress",
+ "./tdc_multibatch.py -x init_ $DEV2 $BATCH_DIR 100000 10 add",
+ "find $BATCH_DIR/init_* -print | xargs -n 1 -P 5 $TC -b",
+ "./tdc_multibatch.py -x par_ -a 500001 -m 5 $DEV2 $BATCH_DIR 100000 5 replace",
+ "./tdc_multibatch.py -x par_ $DEV2 $BATCH_DIR 100000 5 del"
+ ],
+ "cmdUnderTest": "find $BATCH_DIR/par_* -print | xargs -n 1 -P 10 $TC -b",
+ "expExitCode": "0",
+ "verifyCmd": "$TC -s filter show dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
+ "matchCount": "500000",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress",
+ "/bin/rm -rf $BATCH_DIR"
+ ]
+ }
+]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/fw.json b/tools/testing/selftests/tc-testing/tc-tests/filters/fw.json
index 3b97cfd7e0f8..5272049566d6 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/filters/fw.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/filters/fw.json
@@ -6,6 +6,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress"
],
@@ -25,6 +28,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress"
],
@@ -44,6 +50,114 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress"
],
@@ -57,6 +171,30 @@
]
},
{
+ "id": "c591",
+ "name": "Add fw filter with action ok by reference",
+ "__comment": "We add sleep here because action might have not been deleted by workqueue just yet. Remove this when the behaviour is fixed.",
+ "category": [
+ "filter",
+ "fw"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions add action gact ok index 1"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 fw action gact index 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 prio 1 protocol all fw",
+ "matchPattern": "handle 0x1.*gact action pass.*index 1 ref 2 bind 1",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions del action gact index 1"
+ ]
+ },
+ {
"id": "affe",
"name": "Add fw filter with action continue",
"category": [
@@ -76,6 +214,30 @@
]
},
{
+ "id": "38b3",
+ "name": "Add fw filter with action continue by reference",
+ "__comment": "We add sleep here because action might have not been deleted by workqueue just yet. Remove this when the behaviour is fixed.",
+ "category": [
+ "filter",
+ "fw"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions add action gact continue index 1"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 fw action gact index 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 prio 1 protocol all fw",
+ "matchPattern": "handle 0x1.*gact action continue.*index 1 ref 2 bind 1",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions del action gact index 1"
+ ]
+ },
+ {
"id": "28bc",
"name": "Add fw filter with action pipe",
"category": [
@@ -95,6 +257,30 @@
]
},
{
+ "id": "6753",
+ "name": "Add fw filter with action pipe by reference",
+ "__comment": "We add sleep here because action might have not been deleted by workqueue just yet.",
+ "category": [
+ "filter",
+ "fw"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions add action gact pipe index 1"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 fw action gact index 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 prio 1 protocol all fw",
+ "matchPattern": "handle 0x1.*gact action pipe.*index 1 ref 2 bind 1",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions del action gact index 1"
+ ]
+ },
+ {
"id": "8da2",
"name": "Add fw filter with action drop",
"category": [
@@ -114,6 +300,30 @@
]
},
{
+ "id": "6dc6",
+ "name": "Add fw filter with action drop by reference",
+ "__comment": "We add sleep here because action might have not been deleted by workqueue just yet.",
+ "category": [
+ "filter",
+ "fw"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions add action gact drop index 1"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 fw action gact index 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 prio 1 protocol all fw",
+ "matchPattern": "handle 0x1.*gact action drop.*index 1 ref 2 bind 1",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions del action gact index 1"
+ ]
+ },
+ {
"id": "9436",
"name": "Add fw filter with action reclassify",
"category": [
@@ -133,6 +343,30 @@
]
},
{
+ "id": "3bc2",
+ "name": "Add fw filter with action reclassify by reference",
+ "__comment": "We add sleep here because action might have not been deleted by workqueue just yet.",
+ "category": [
+ "filter",
+ "fw"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions add action gact reclassify index 1"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 fw action gact index 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 prio 1 protocol all fw",
+ "matchPattern": "handle 0x1.*gact action reclassify.*index 1 ref 2 bind 1",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions del action gact index 1"
+ ]
+ },
+ {
"id": "95bb",
"name": "Add fw filter with action jump 10",
"category": [
@@ -152,6 +386,30 @@
]
},
{
+ "id": "36f7",
+ "name": "Add fw filter with action jump 10 by reference",
+ "__comment": "We add sleep here because action might have not been deleted by workqueue just yet.",
+ "category": [
+ "filter",
+ "fw"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions add action gact jump 10 index 1"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 fw action gact index 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 prio 1 protocol all fw",
+ "matchPattern": "handle 0x1.*gact action jump 10.*index 1 ref 2 bind 1",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress",
+ "/bin/sleep 1",
+ "$TC actions del action gact index 1"
+ ]
+ },
+ {
"id": "3d74",
"name": "Add fw filter with action goto chain 5",
"category": [
@@ -728,6 +986,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: protocol 802_3 prio 3 handle 7 fw action ok"
@@ -748,6 +1009,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: prio 6 handle 2 fw action continue index 5"
@@ -768,6 +1032,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress"
],
@@ -787,6 +1054,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress"
],
@@ -806,6 +1076,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 5 prio 7 fw action pass",
@@ -828,6 +1101,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 5 prio 7 fw action pass",
@@ -850,6 +1126,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 5 prio 7 fw action pass",
@@ -871,6 +1150,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 1 prio 4 fw action ok",
@@ -892,6 +1174,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 4 prio 2 chain 13 fw action pipe",
@@ -913,6 +1198,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 2 prio 4 fw action drop"
@@ -933,6 +1221,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 3 prio 4 fw action continue"
@@ -953,6 +1244,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 4 prio 2 protocol arp fw action pipe"
@@ -973,6 +1267,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 4 prio 2 fw action pipe flowid 45"
@@ -993,6 +1290,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 1 prio 2 fw action ok"
@@ -1013,6 +1313,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 1 prio 2 fw action ok"
@@ -1033,6 +1336,9 @@
"filter",
"fw"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC filter add dev $DEV1 parent ffff: handle 1 prio 2 fw action ok index 3"
diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json b/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json
index 99a5ffca1088..0f89cd50a94b 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json
@@ -6,6 +6,9 @@
"filter",
"u32"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV1 ingress"
],
@@ -19,12 +22,57 @@
]
},
{
+ "id": "2638",
+ "name": "Add matchall and try to get it",
+ "category": [
+ "filter",
+ "matchall"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ "$TC qdisc add dev $DEV1 clsact",
+ "$TC filter add dev $DEV1 protocol all pref 1 ingress handle 0x1234 matchall action ok"
+ ],
+ "cmdUnderTest": "$TC filter get dev $DEV1 protocol all pref 1 ingress handle 0x1234 matchall",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter show dev $DEV1 ingress",
+ "matchPattern": "filter protocol all pref 1 matchall chain 0 handle 0x1234",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 clsact"
+ ]
+ },
+ {
+ "id": "2ff3",
+ "name": "Add flower with max handle and then dump it",
+ "category": [
+ "filter",
+ "flower"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV2 ingress"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV2 protocol ip pref 1 parent ffff: handle 0xffffffff flower action ok",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter show dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower.*handle 0xffffffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress"
+ ]
+ },
+ {
"id": "d052",
"name": "Add 1M filters with the same action",
"category": [
"filter",
"flower"
],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
"setup": [
"$TC qdisc add dev $DEV2 ingress",
"./tdc_batch.py $DEV2 $BATCH_FILE --share_action -n 1000000"
@@ -38,5 +86,28 @@
"$TC qdisc del dev $DEV2 ingress",
"/bin/rm $BATCH_FILE"
]
+ },
+ {
+ "id": "4cbd",
+ "name": "Try to add filter with duplicate key",
+ "category": [
+ "filter",
+ "flower"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ "$TC qdisc add dev $DEV2 ingress",
+ "$TC filter add dev $DEV2 protocol ip prio 1 parent ffff: flower dst_mac e4:11:22:11:4a:51 src_mac e4:11:22:11:4a:50 ip_proto tcp src_ip 1.1.1.1 dst_ip 2.2.2.2 action drop"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV2 protocol ip prio 1 parent ffff: flower dst_mac e4:11:22:11:4a:51 src_mac e4:11:22:11:4a:50 ip_proto tcp src_ip 1.1.1.1 dst_ip 2.2.2.2 action drop",
+ "expExitCode": "2",
+ "verifyCmd": "$TC -s filter show dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/ingress.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/ingress.json
new file mode 100644
index 000000000000..f518c55f468b
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/ingress.json
@@ -0,0 +1,102 @@
+[
+ {
+ "id": "9872",
+ "name": "Add ingress qdisc",
+ "category": [
+ "qdisc",
+ "ingress"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 ingress",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc ingress ffff:",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress",
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "5c5e",
+ "name": "Add ingress qdisc with unsupported argument",
+ "category": [
+ "qdisc",
+ "ingress"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 ingress foorbar",
+ "expExitCode": "1",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc ingress ffff:",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "74f6",
+ "name": "Add duplicate ingress qdisc",
+ "category": [
+ "qdisc",
+ "ingress"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true",
+ "$TC qdisc add dev $DEV1 ingress"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 ingress",
+ "expExitCode": "2",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc ingress ffff:",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress",
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "f769",
+ "name": "Delete nonexistent ingress qdisc",
+ "category": [
+ "qdisc",
+ "ingress"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc del dev $DEV1 ingress",
+ "expExitCode": "2",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc ingress ffff:",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "3b88",
+ "name": "Delete ingress qdisc twice",
+ "category": [
+ "qdisc",
+ "ingress"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true",
+ "$TC qdisc add dev $DEV1 ingress",
+ "$TC qdisc del dev $DEV1 ingress"
+ ],
+ "cmdUnderTest": "$TC qdisc del dev $DEV1 ingress",
+ "expExitCode": "2",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc ingress ffff:",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ }
+]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/prio.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/prio.json
new file mode 100644
index 000000000000..9c792fa8ca23
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/prio.json
@@ -0,0 +1,276 @@
+[
+ {
+ "id": "ddd9",
+ "name": "Add prio qdisc on egress",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 handle 1: root prio",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 handle 1: root prio",
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "aa71",
+ "name": "Add prio qdisc on egress with handle of maximum value",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 root handle ffff: prio",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio ffff: root",
+ "matchCount": "1",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "db37",
+ "name": "Add prio qdisc on egress with invalid handle exceeding maximum value",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 root handle 10000: prio",
+ "expExitCode": "255",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 10000: root",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "39d8",
+ "name": "Add prio qdisc on egress with unsupported argument",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 handle 1: root prio foorbar",
+ "expExitCode": "1",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "5769",
+ "name": "Add prio qdisc on egress with 4 bands and new priomap",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 handle 1: root prio bands 4 priomap 1 1 2 2 3 3 0 0 1 2 3 0 0 0 0 0",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root.*bands 4 priomap.*1 1 2 2 3 3 0 0 1 2 3 0 0 0 0 0",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 handle 1: root prio",
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "fe0f",
+ "name": "Add prio qdisc on egress with 4 bands and priomap exceeding TC_PRIO_MAX entries",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 handle 1: root prio bands 4 priomap 1 1 2 2 3 3 0 0 1 2 3 0 0 0 0 0 1 1",
+ "expExitCode": "1",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root.*bands 4 priomap.*1 1 2 2 3 3 0 0 1 2 3 0 0 0 0 0 1 1",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "1f91",
+ "name": "Add prio qdisc on egress with 4 bands and priomap's values exceeding bands number",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 handle 1: root prio bands 4 priomap 1 1 2 2 7 5 0 0 1 2 3 0 0 0 0 0",
+ "expExitCode": "1",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root.*bands 4 priomap.*1 1 2 2 7 5 0 0 1 2 3 0 0 0 0 0",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "d248",
+ "name": "Add prio qdisc on egress with invalid bands value (< 2)",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 handle 1: root prio bands 1 priomap 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
+ "expExitCode": "2",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root.*bands 1 priomap.*0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "1d0e",
+ "name": "Add prio qdisc on egress with invalid bands value exceeding TCQ_PRIO_BANDS",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 handle 1: root prio bands 1024 priomap 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16",
+ "expExitCode": "2",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root.*bands 1024 priomap.*1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "1971",
+ "name": "Replace default prio qdisc on egress with 8 bands and new priomap",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true",
+ "$TC qdisc add dev $DEV1 handle 1: root prio"
+ ],
+ "cmdUnderTest": "$TC qdisc replace dev $DEV1 handle 1: root prio bands 8 priomap 1 1 2 2 3 3 4 4 5 5 6 6 7 7 0 0",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root.*bands 8 priomap.*1 1 2 2 3 3 4 4 5 5 6 6 7 7 0 0",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 handle 1: root prio",
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "d88a",
+ "name": "Add duplicate prio qdisc on egress",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true",
+ "$TC qdisc add dev $DEV1 handle 1: root prio"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 handle 1: root prio",
+ "expExitCode": "2",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 handle 1: root prio",
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "5948",
+ "name": "Delete nonexistent prio qdisc",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc del dev $DEV1 root handle 1: prio",
+ "expExitCode": "2",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 1: root",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "6c0a",
+ "name": "Add prio qdisc on egress with invalid format for handles",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DEV1 root handle 123^ prio",
+ "expExitCode": "255",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc prio 123 root",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ },
+ {
+ "id": "0175",
+ "name": "Delete prio qdisc twice",
+ "category": [
+ "qdisc",
+ "prio"
+ ],
+ "setup": [
+ "$IP link add dev $DEV1 type dummy || /bin/true",
+ "$TC qdisc add dev $DEV1 root handle 1: prio",
+ "$TC qdisc del dev $DEV1 root handle 1: prio"
+ ],
+ "cmdUnderTest": "$TC qdisc del dev $DEV1 handle 1: root prio",
+ "expExitCode": "2",
+ "verifyCmd": "$TC qdisc show dev $DEV1",
+ "matchPattern": "qdisc ingress ffff:",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DEV1 type dummy"
+ ]
+ }
+]
diff --git a/tools/testing/selftests/tc-testing/tdc.py b/tools/testing/selftests/tc-testing/tdc.py
index e6e4ce80a726..f04321ace9fb 100755
--- a/tools/testing/selftests/tc-testing/tdc.py
+++ b/tools/testing/selftests/tc-testing/tdc.py
@@ -25,6 +25,9 @@ from tdc_helper import *
import TdcPlugin
from TdcResults import *
+class PluginDependencyException(Exception):
+ def __init__(self, missing_pg):
+ self.missing_pg = missing_pg
class PluginMgrTestFail(Exception):
def __init__(self, stage, output, message):
@@ -37,7 +40,7 @@ class PluginMgr:
super().__init__()
self.plugins = {}
self.plugin_instances = []
- self.args = []
+ self.failed_plugins = {}
self.argparser = argparser
# TODO, put plugins in order
@@ -53,6 +56,64 @@ class PluginMgr:
self.plugins[mn] = foo
self.plugin_instances.append(foo.SubPlugin())
+ def load_plugin(self, pgdir, pgname):
+ pgname = pgname[0:-3]
+ foo = importlib.import_module('{}.{}'.format(pgdir, pgname))
+ self.plugins[pgname] = foo
+ self.plugin_instances.append(foo.SubPlugin())
+ self.plugin_instances[-1].check_args(self.args, None)
+
+ def get_required_plugins(self, testlist):
+ '''
+ Get all required plugins from the list of test cases and return
+ all unique items.
+ '''
+ reqs = []
+ for t in testlist:
+ try:
+ if 'requires' in t['plugins']:
+ if isinstance(t['plugins']['requires'], list):
+ reqs.extend(t['plugins']['requires'])
+ else:
+ reqs.append(t['plugins']['requires'])
+ except KeyError:
+ continue
+ reqs = get_unique_item(reqs)
+ return reqs
+
+ def load_required_plugins(self, reqs, parser, args, remaining):
+ '''
+ Get all required plugins from the list of test cases and load any plugin
+ that is not already enabled.
+ '''
+ pgd = ['plugin-lib', 'plugin-lib-custom']
+ pnf = []
+
+ for r in reqs:
+ if r not in self.plugins:
+ fname = '{}.py'.format(r)
+ source_path = []
+ for d in pgd:
+ pgpath = '{}/{}'.format(d, fname)
+ if os.path.isfile(pgpath):
+ source_path.append(pgpath)
+ if len(source_path) == 0:
+ print('ERROR: unable to find required plugin {}'.format(r))
+ pnf.append(fname)
+ continue
+ elif len(source_path) > 1:
+ print('WARNING: multiple copies of plugin {} found, using version found')
+ print('at {}'.format(source_path[0]))
+ pgdir = source_path[0]
+ pgdir = pgdir.split('/')[0]
+ self.load_plugin(pgdir, fname)
+ if len(pnf) > 0:
+ raise PluginDependencyException(pnf)
+
+ parser = self.call_add_args(parser)
+ (args, remaining) = parser.parse_known_args(args=remaining, namespace=args)
+ return args
+
def call_pre_suite(self, testcount, testidlist):
for pgn_inst in self.plugin_instances:
pgn_inst.pre_suite(testcount, testidlist)
@@ -61,15 +122,15 @@ class PluginMgr:
for pgn_inst in reversed(self.plugin_instances):
pgn_inst.post_suite(index)
- def call_pre_case(self, test_ordinal, testid, test_name):
+ def call_pre_case(self, caseinfo, *, test_skip=False):
for pgn_inst in self.plugin_instances:
try:
- pgn_inst.pre_case(test_ordinal, testid, test_name)
+ pgn_inst.pre_case(caseinfo, test_skip)
except Exception as ee:
print('exception {} in call to pre_case for {} plugin'.
format(ee, pgn_inst.__class__))
print('test_ordinal is {}'.format(test_ordinal))
- print('testid is {}'.format(testid))
+ print('testid is {}'.format(caseinfo['id']))
raise
def call_post_case(self):
@@ -98,6 +159,9 @@ class PluginMgr:
command = pgn_inst.adjust_command(stage, command)
return command
+ def set_args(self, args):
+ self.args = args
+
@staticmethod
def _make_argparser(args):
self.argparser = argparse.ArgumentParser(
@@ -192,10 +256,19 @@ def run_one_test(pm, args, index, tidx):
print("\t====================\n=====> ", end="")
print("Test " + tidx["id"] + ": " + tidx["name"])
+ if 'skip' in tidx:
+ if tidx['skip'] == 'yes':
+ res = TestResult(tidx['id'], tidx['name'])
+ res.set_result(ResultState.skip)
+ res.set_errormsg('Test case designated as skipped.')
+ pm.call_pre_case(tidx, test_skip=True)
+ pm.call_post_execute()
+ return res
+
# populate NAMES with TESTID for this test
NAMES['TESTID'] = tidx['id']
- pm.call_pre_case(index, tidx['id'], tidx['name'])
+ pm.call_pre_case(tidx)
prepare_env(args, pm, 'setup', "-----> prepare stage", tidx["setup"])
if (args.verbose > 0):
@@ -541,6 +614,7 @@ def filter_tests_by_category(args, testlist):
return answer
+
def get_test_cases(args):
"""
If a test case file is specified, retrieve tests from that file.
@@ -602,7 +676,7 @@ def get_test_cases(args):
return allcatlist, allidlist, testcases_by_cats, alltestcases
-def set_operation_mode(pm, args):
+def set_operation_mode(pm, parser, args, remaining):
"""
Load the test case data and process remaining arguments to determine
what the script should do for this run, and call the appropriate
@@ -640,6 +714,12 @@ def set_operation_mode(pm, args):
exit(0)
if len(alltests):
+ req_plugins = pm.get_required_plugins(alltests)
+ try:
+ args = pm.load_required_plugins(req_plugins, parser, args, remaining)
+ except PluginDependencyException as pde:
+ print('The following plugins were not found:')
+ print('{}'.format(pde.missing_pg))
catresults = test_runner(pm, args, alltests)
if args.format == 'none':
print('Test results output suppression requested\n')
@@ -677,11 +757,12 @@ def main():
parser = pm.call_add_args(parser)
(args, remaining) = parser.parse_known_args()
args.NAMES = NAMES
+ pm.set_args(args)
check_default_settings(args, remaining, pm)
if args.verbose > 2:
print('args is {}'.format(args))
- set_operation_mode(pm, args)
+ set_operation_mode(pm, parser, args, remaining)
exit(0)
diff --git a/tools/testing/selftests/tc-testing/tdc_batch.py b/tools/testing/selftests/tc-testing/tdc_batch.py
index 52fa539dc662..6a2bd2cf528e 100755
--- a/tools/testing/selftests/tc-testing/tdc_batch.py
+++ b/tools/testing/selftests/tc-testing/tdc_batch.py
@@ -13,6 +13,12 @@ parser.add_argument("device", help="device name")
parser.add_argument("file", help="batch file name")
parser.add_argument("-n", "--number", type=int,
help="how many lines in batch file")
+parser.add_argument(
+ "-a",
+ "--handle_start",
+ type=int,
+ default=1,
+ help="start handle range from (default: 1)")
parser.add_argument("-o", "--skip_sw",
help="skip_sw (offload), by default skip_hw",
action="store_true")
@@ -22,6 +28,21 @@ parser.add_argument("-s", "--share_action",
parser.add_argument("-p", "--prio",
help="all filters have different prio",
action="store_true")
+parser.add_argument(
+ "-e",
+ "--operation",
+ choices=['add', 'del', 'replace'],
+ default='add',
+ help="operation to perform on filters"
+ "(default: add filter)")
+parser.add_argument(
+ "-m",
+ "--mac_prefix",
+ type=int,
+ default=0,
+ choices=range(0, 256),
+ help="third byte of source MAC address of flower filter"
+ "(default: 0)")
args = parser.parse_args()
device = args.device
@@ -31,6 +52,8 @@ number = 1
if args.number:
number = args.number
+handle_start = args.handle_start
+
skip = "skip_hw"
if args.skip_sw:
skip = "skip_sw"
@@ -45,16 +68,43 @@ if args.prio:
if number > 0x4000:
number = 0x4000
+mac_prefix = args.mac_prefix
+
+def format_add_filter(device, prio, handle, skip, src_mac, dst_mac,
+ share_action):
+ return ("filter add dev {} {} protocol ip parent ffff: handle {} "
+ " flower {} src_mac {} dst_mac {} action drop {}".format(
+ device, prio, handle, skip, src_mac, dst_mac, share_action))
+
+
+def format_rep_filter(device, prio, handle, skip, src_mac, dst_mac,
+ share_action):
+ return ("filter replace dev {} {} protocol ip parent ffff: handle {} "
+ " flower {} src_mac {} dst_mac {} action drop {}".format(
+ device, prio, handle, skip, src_mac, dst_mac, share_action))
+
+
+def format_del_filter(device, prio, handle, skip, src_mac, dst_mac,
+ share_action):
+ return ("filter del dev {} {} protocol ip parent ffff: handle {} "
+ "flower".format(device, prio, handle))
+
+
+formatter = format_add_filter
+if args.operation == "del":
+ formatter = format_del_filter
+elif args.operation == "replace":
+ formatter = format_rep_filter
+
index = 0
for i in range(0x100):
for j in range(0x100):
for k in range(0x100):
mac = ("{:02x}:{:02x}:{:02x}".format(i, j, k))
- src_mac = "e4:11:00:" + mac
+ src_mac = "e4:11:{:02x}:{}".format(mac_prefix, mac)
dst_mac = "e4:12:00:" + mac
- cmd = ("filter add dev {} {} protocol ip parent ffff: flower {} "
- "src_mac {} dst_mac {} action drop {}".format
- (device, prio, skip, src_mac, dst_mac, share_action))
+ cmd = formatter(device, prio, handle_start + index, skip, src_mac,
+ dst_mac, share_action)
file.write("{}\n".format(cmd))
index += 1
if index >= number:
diff --git a/tools/testing/selftests/tc-testing/tdc_config.py b/tools/testing/selftests/tc-testing/tdc_config.py
index 6d91e48c2625..b771d4c89621 100644
--- a/tools/testing/selftests/tc-testing/tdc_config.py
+++ b/tools/testing/selftests/tc-testing/tdc_config.py
@@ -10,11 +10,14 @@ Copyright (C) 2017 Lucas Bates <lucasb@mojatatu.com>
NAMES = {
# Substitute your own tc path here
'TC': '/sbin/tc',
+ # Substitute your own ip path here
+ 'IP': '/sbin/ip',
# Name of veth devices to be created for the namespace
'DEV0': 'v0p0',
'DEV1': 'v0p1',
'DEV2': '',
'BATCH_FILE': './batch.txt',
+ 'BATCH_DIR': 'tmp',
# Length of time in seconds to wait before terminating a command
'TIMEOUT': 12,
# Name of the namespace to use
diff --git a/tools/testing/selftests/tc-testing/tdc_helper.py b/tools/testing/selftests/tc-testing/tdc_helper.py
index 9f35c96c88a0..0440d252c4c5 100644
--- a/tools/testing/selftests/tc-testing/tdc_helper.py
+++ b/tools/testing/selftests/tc-testing/tdc_helper.py
@@ -17,7 +17,10 @@ def get_categorized_testlist(alltests, ucat):
def get_unique_item(lst):
""" For a list, return a list of the unique items in the list. """
- return list(set(lst))
+ if len(lst) > 1:
+ return list(set(lst))
+ else:
+ return lst
def get_test_categories(alltests):
diff --git a/tools/testing/selftests/tc-testing/tdc_multibatch.py b/tools/testing/selftests/tc-testing/tdc_multibatch.py
new file mode 100755
index 000000000000..5e7237952e49
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tdc_multibatch.py
@@ -0,0 +1,65 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0
+"""
+tdc_multibatch.py - a thin wrapper over tdc_batch.py to generate multiple batch
+files
+
+Copyright (C) 2019 Vlad Buslov <vladbu@mellanox.com>
+"""
+
+import argparse
+import os
+
+parser = argparse.ArgumentParser(
+ description='TC multiple batch file generator')
+parser.add_argument("device", help="device name")
+parser.add_argument("dir", help="where to put batch files")
+parser.add_argument(
+ "num_filters", type=int, help="how many lines per batch file")
+parser.add_argument("num_files", type=int, help="how many batch files")
+parser.add_argument(
+ "operation",
+ choices=['add', 'del', 'replace'],
+ help="operation to perform on filters")
+parser.add_argument(
+ "-x",
+ "--file_prefix",
+ default="",
+ help="prefix for generated batch file names")
+parser.add_argument(
+ "-d",
+ "--duplicate_handles",
+ action="store_true",
+ help="duplicate filter handle range in all files")
+parser.add_argument(
+ "-a",
+ "--handle_start",
+ type=int,
+ default=1,
+ help="start handle range from (default: 1)")
+parser.add_argument(
+ "-m",
+ "--mac_prefix",
+ type=int,
+ default=0,
+ choices=range(0, 256),
+ help="add this value to third byte of source MAC address of flower filter"
+ "(default: 0)")
+args = parser.parse_args()
+
+device = args.device
+dir = args.dir
+file_prefix = args.file_prefix + args.operation + "_"
+num_filters = args.num_filters
+num_files = args.num_files
+operation = args.operation
+duplicate_handles = args.duplicate_handles
+handle = args.handle_start
+mac_prefix = args.mac_prefix
+
+for i in range(num_files):
+ file = dir + '/' + file_prefix + str(i)
+ os.system("./tdc_batch.py -n {} -a {} -e {} -m {} {} {}".format(
+ num_filters, handle, operation, i + mac_prefix, device, file))
+ if not duplicate_handles:
+ handle += num_filters
diff --git a/tools/testing/selftests/timers/adjtick.c b/tools/testing/selftests/timers/adjtick.c
index 0caca3a06bd2..54d8d87f36b3 100644
--- a/tools/testing/selftests/timers/adjtick.c
+++ b/tools/testing/selftests/timers/adjtick.c
@@ -136,6 +136,7 @@ int check_tick_adj(long tickval)
eppm = get_ppm_drift();
printf("%lld usec, %lld ppm", systick + (systick * eppm / MILLION), eppm);
+ fflush(stdout);
tx1.modes = 0;
adjtimex(&tx1);
diff --git a/tools/testing/selftests/timers/freq-step.c b/tools/testing/selftests/timers/freq-step.c
index 14a2b77fd012..4b76450d78d1 100644
--- a/tools/testing/selftests/timers/freq-step.c
+++ b/tools/testing/selftests/timers/freq-step.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This test checks the response of the system clock to frequency
* steps made with adjtimex(). The frequency error and stability of
@@ -6,15 +7,6 @@
* values from the second interval exceed specified limits.
*
* Copyright (C) Miroslav Lichvar <mlichvar@redhat.com> 2017
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#include <math.h>
@@ -29,9 +21,9 @@
#define SAMPLE_READINGS 10
#define MEAN_SAMPLE_INTERVAL 0.1
#define STEP_INTERVAL 1.0
-#define MAX_PRECISION 100e-9
-#define MAX_FREQ_ERROR 10e-6
-#define MAX_STDDEV 1000e-9
+#define MAX_PRECISION 500e-9
+#define MAX_FREQ_ERROR 0.02e-6
+#define MAX_STDDEV 50e-9
#ifndef ADJ_SETOFFSET
#define ADJ_SETOFFSET 0x0100
diff --git a/tools/testing/selftests/timers/leapcrash.c b/tools/testing/selftests/timers/leapcrash.c
index 830c462f605d..dc80728ed191 100644
--- a/tools/testing/selftests/timers/leapcrash.c
+++ b/tools/testing/selftests/timers/leapcrash.c
@@ -101,6 +101,7 @@ int main(void)
}
clear_time_state();
printf(".");
+ fflush(stdout);
}
printf("[OK]\n");
return ksft_exit_pass();
diff --git a/tools/testing/selftests/timers/mqueue-lat.c b/tools/testing/selftests/timers/mqueue-lat.c
index 1867db5d6f5e..7916cf5cc6ff 100644
--- a/tools/testing/selftests/timers/mqueue-lat.c
+++ b/tools/testing/selftests/timers/mqueue-lat.c
@@ -102,6 +102,7 @@ int main(int argc, char **argv)
int ret;
printf("Mqueue latency : ");
+ fflush(stdout);
ret = mqueue_lat_test();
if (ret < 0) {
diff --git a/tools/testing/selftests/timers/nanosleep.c b/tools/testing/selftests/timers/nanosleep.c
index 8adb0bb51d4d..71b5441c2fd9 100644
--- a/tools/testing/selftests/timers/nanosleep.c
+++ b/tools/testing/selftests/timers/nanosleep.c
@@ -142,6 +142,7 @@ int main(int argc, char **argv)
continue;
printf("Nanosleep %-31s ", clockstring(clockid));
+ fflush(stdout);
length = 10;
while (length <= (NSEC_PER_SEC * 10)) {
diff --git a/tools/testing/selftests/timers/nsleep-lat.c b/tools/testing/selftests/timers/nsleep-lat.c
index c3c3dc10db17..eb3e79ed7b4a 100644
--- a/tools/testing/selftests/timers/nsleep-lat.c
+++ b/tools/testing/selftests/timers/nsleep-lat.c
@@ -155,6 +155,7 @@ int main(int argc, char **argv)
continue;
printf("nsleep latency %-26s ", clockstring(clockid));
+ fflush(stdout);
length = 10;
while (length <= (NSEC_PER_SEC * 10)) {
diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c
index 15cf56d32155..0ba500056e63 100644
--- a/tools/testing/selftests/timers/posix_timers.c
+++ b/tools/testing/selftests/timers/posix_timers.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013 Red Hat, Inc., Frederic Weisbecker <fweisbec@redhat.com>
*
- * Licensed under the terms of the GNU GPL License version 2
- *
* Selftests for a few posix timers interface.
*
* Kernel loop code stolen from Steven Rostedt <srostedt@redhat.com>
diff --git a/tools/testing/selftests/timers/raw_skew.c b/tools/testing/selftests/timers/raw_skew.c
index dcf73c5dab6e..b41d8dd0c40c 100644
--- a/tools/testing/selftests/timers/raw_skew.c
+++ b/tools/testing/selftests/timers/raw_skew.c
@@ -112,6 +112,7 @@ int main(int argv, char **argc)
printf("WARNING: ADJ_OFFSET in progress, this will cause inaccurate results\n");
printf("Estimating clock drift: ");
+ fflush(stdout);
sleep(120);
get_monotonic_and_raw(&mon, &raw);
diff --git a/tools/testing/selftests/timers/set-tai.c b/tools/testing/selftests/timers/set-tai.c
index 70fed27d8fd3..8c4179ee2ca2 100644
--- a/tools/testing/selftests/timers/set-tai.c
+++ b/tools/testing/selftests/timers/set-tai.c
@@ -55,6 +55,7 @@ int main(int argc, char **argv)
printf("tai offset started at %i\n", ret);
printf("Checking tai offsets can be properly set: ");
+ fflush(stdout);
for (i = 1; i <= 60; i++) {
ret = set_tai(i);
ret = get_tai();
diff --git a/tools/testing/selftests/timers/set-tz.c b/tools/testing/selftests/timers/set-tz.c
index 877fd5532fee..62bd33eb16f0 100644
--- a/tools/testing/selftests/timers/set-tz.c
+++ b/tools/testing/selftests/timers/set-tz.c
@@ -65,6 +65,7 @@ int main(int argc, char **argv)
printf("tz_minuteswest started at %i, dst at %i\n", min, dst);
printf("Checking tz_minuteswest can be properly set: ");
+ fflush(stdout);
for (i = -15*60; i < 15*60; i += 30) {
ret = set_tz(i, dst);
ret = get_tz_min();
@@ -76,6 +77,7 @@ int main(int argc, char **argv)
printf("[OK]\n");
printf("Checking invalid tz_minuteswest values are caught: ");
+ fflush(stdout);
if (!set_tz(-15*60-1, dst)) {
printf("[FAILED] %i didn't return failure!\n", -15*60-1);
diff --git a/tools/testing/selftests/timers/skew_consistency.c b/tools/testing/selftests/timers/skew_consistency.c
index 022b711c78ee..8066be9aff11 100644
--- a/tools/testing/selftests/timers/skew_consistency.c
+++ b/tools/testing/selftests/timers/skew_consistency.c
@@ -32,7 +32,6 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
-#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include "../kselftest.h"
diff --git a/tools/testing/selftests/timers/threadtest.c b/tools/testing/selftests/timers/threadtest.c
index 759c9c06f1a0..cf3e48919874 100644
--- a/tools/testing/selftests/timers/threadtest.c
+++ b/tools/testing/selftests/timers/threadtest.c
@@ -163,6 +163,7 @@ int main(int argc, char **argv)
strftime(buf, 255, "%a, %d %b %Y %T %z", localtime(&start));
printf("%s\n", buf);
printf("Testing consistency with %i threads for %ld seconds: ", thread_count, runtime);
+ fflush(stdout);
/* spawn */
for (i = 0; i < thread_count; i++)
diff --git a/tools/testing/selftests/timers/valid-adjtimex.c b/tools/testing/selftests/timers/valid-adjtimex.c
index d9d3ab93b31a..5397de708d3c 100644
--- a/tools/testing/selftests/timers/valid-adjtimex.c
+++ b/tools/testing/selftests/timers/valid-adjtimex.c
@@ -123,6 +123,7 @@ int validate_freq(void)
/* Set the leap second insert flag */
printf("Testing ADJ_FREQ... ");
+ fflush(stdout);
for (i = 0; i < NUM_FREQ_VALID; i++) {
tx.modes = ADJ_FREQUENCY;
tx.freq = valid_freq[i];
@@ -250,6 +251,7 @@ int set_bad_offset(long sec, long usec, int use_nano)
int validate_set_offset(void)
{
printf("Testing ADJ_SETOFFSET... ");
+ fflush(stdout);
/* Test valid values */
if (set_offset(NSEC_PER_SEC - 1, 1))
diff --git a/tools/testing/selftests/tmpfs/.gitignore b/tools/testing/selftests/tmpfs/.gitignore
new file mode 100644
index 000000000000..a96838fad74d
--- /dev/null
+++ b/tools/testing/selftests/tmpfs/.gitignore
@@ -0,0 +1 @@
+/bug-link-o-tmpfile
diff --git a/tools/testing/selftests/tmpfs/Makefile b/tools/testing/selftests/tmpfs/Makefile
new file mode 100644
index 000000000000..aa11ccc92e5b
--- /dev/null
+++ b/tools/testing/selftests/tmpfs/Makefile
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0-only
+CFLAGS += -Wall -O2
+CFLAGS += -D_GNU_SOURCE
+
+TEST_GEN_PROGS :=
+TEST_GEN_PROGS += bug-link-o-tmpfile
+
+include ../lib.mk
diff --git a/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c b/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c
new file mode 100644
index 000000000000..b5c3ddb90942
--- /dev/null
+++ b/tools/testing/selftests/tmpfs/bug-link-o-tmpfile.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2019 Alexey Dobriyan <adobriyan@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+/* Test that open(O_TMPFILE), linkat() doesn't screw accounting. */
+#include <errno.h>
+#include <sched.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mount.h>
+#include <unistd.h>
+
+int main(void)
+{
+ int fd;
+
+ if (unshare(CLONE_NEWNS) == -1) {
+ if (errno == ENOSYS || errno == EPERM) {
+ fprintf(stderr, "error: unshare, errno %d\n", errno);
+ return 4;
+ }
+ fprintf(stderr, "error: unshare, errno %d\n", errno);
+ return 1;
+ }
+ if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) == -1) {
+ fprintf(stderr, "error: mount '/', errno %d\n", errno);
+ return 1;
+ }
+
+ /* Our heroes: 1 root inode, 1 O_TMPFILE inode, 1 permanent inode. */
+ if (mount(NULL, "/tmp", "tmpfs", 0, "nr_inodes=3") == -1) {
+ fprintf(stderr, "error: mount tmpfs, errno %d\n", errno);
+ return 1;
+ }
+
+ fd = openat(AT_FDCWD, "/tmp", O_WRONLY|O_TMPFILE, 0600);
+ if (fd == -1) {
+ fprintf(stderr, "error: open 1, errno %d\n", errno);
+ return 1;
+ }
+ if (linkat(fd, "", AT_FDCWD, "/tmp/1", AT_EMPTY_PATH) == -1) {
+ fprintf(stderr, "error: linkat, errno %d\n", errno);
+ return 1;
+ }
+ close(fd);
+
+ fd = openat(AT_FDCWD, "/tmp", O_WRONLY|O_TMPFILE, 0600);
+ if (fd == -1) {
+ fprintf(stderr, "error: open 2, errno %d\n", errno);
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/tools/testing/selftests/tpm2/Makefile b/tools/testing/selftests/tpm2/Makefile
new file mode 100644
index 000000000000..9dd848427a7b
--- /dev/null
+++ b/tools/testing/selftests/tpm2/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+include ../lib.mk
+
+TEST_PROGS := test_smoke.sh test_space.sh
diff --git a/tools/testing/selftests/tpm2/test_smoke.sh b/tools/testing/selftests/tpm2/test_smoke.sh
new file mode 100755
index 000000000000..80521d46220c
--- /dev/null
+++ b/tools/testing/selftests/tpm2/test_smoke.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+
+python -m unittest -v tpm2_tests.SmokeTest
diff --git a/tools/testing/selftests/tpm2/test_space.sh b/tools/testing/selftests/tpm2/test_space.sh
new file mode 100755
index 000000000000..a6f5e346635e
--- /dev/null
+++ b/tools/testing/selftests/tpm2/test_space.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+
+python -m unittest -v tpm2_tests.SpaceTest
diff --git a/tools/testing/selftests/tpm2/tpm2.py b/tools/testing/selftests/tpm2/tpm2.py
new file mode 100644
index 000000000000..828c18584624
--- /dev/null
+++ b/tools/testing/selftests/tpm2/tpm2.py
@@ -0,0 +1,697 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+
+import hashlib
+import os
+import socket
+import struct
+import sys
+import unittest
+from fcntl import ioctl
+
+
+TPM2_ST_NO_SESSIONS = 0x8001
+TPM2_ST_SESSIONS = 0x8002
+
+TPM2_CC_FIRST = 0x01FF
+
+TPM2_CC_CREATE_PRIMARY = 0x0131
+TPM2_CC_DICTIONARY_ATTACK_LOCK_RESET = 0x0139
+TPM2_CC_CREATE = 0x0153
+TPM2_CC_LOAD = 0x0157
+TPM2_CC_UNSEAL = 0x015E
+TPM2_CC_FLUSH_CONTEXT = 0x0165
+TPM2_CC_START_AUTH_SESSION = 0x0176
+TPM2_CC_GET_CAPABILITY = 0x017A
+TPM2_CC_GET_RANDOM = 0x017B
+TPM2_CC_PCR_READ = 0x017E
+TPM2_CC_POLICY_PCR = 0x017F
+TPM2_CC_PCR_EXTEND = 0x0182
+TPM2_CC_POLICY_PASSWORD = 0x018C
+TPM2_CC_POLICY_GET_DIGEST = 0x0189
+
+TPM2_SE_POLICY = 0x01
+TPM2_SE_TRIAL = 0x03
+
+TPM2_ALG_RSA = 0x0001
+TPM2_ALG_SHA1 = 0x0004
+TPM2_ALG_AES = 0x0006
+TPM2_ALG_KEYEDHASH = 0x0008
+TPM2_ALG_SHA256 = 0x000B
+TPM2_ALG_NULL = 0x0010
+TPM2_ALG_CBC = 0x0042
+TPM2_ALG_CFB = 0x0043
+
+TPM2_RH_OWNER = 0x40000001
+TPM2_RH_NULL = 0x40000007
+TPM2_RH_LOCKOUT = 0x4000000A
+TPM2_RS_PW = 0x40000009
+
+TPM2_RC_SIZE = 0x01D5
+TPM2_RC_AUTH_FAIL = 0x098E
+TPM2_RC_POLICY_FAIL = 0x099D
+TPM2_RC_COMMAND_CODE = 0x0143
+
+TSS2_RC_LAYER_SHIFT = 16
+TSS2_RESMGR_TPM_RC_LAYER = (11 << TSS2_RC_LAYER_SHIFT)
+
+TPM2_CAP_HANDLES = 0x00000001
+TPM2_CAP_COMMANDS = 0x00000002
+TPM2_CAP_TPM_PROPERTIES = 0x00000006
+
+TPM2_PT_FIXED = 0x100
+TPM2_PT_TOTAL_COMMANDS = TPM2_PT_FIXED + 41
+
+HR_SHIFT = 24
+HR_LOADED_SESSION = 0x02000000
+HR_TRANSIENT = 0x80000000
+
+SHA1_DIGEST_SIZE = 20
+SHA256_DIGEST_SIZE = 32
+
+TPM2_VER0_ERRORS = {
+ 0x000: "TPM_RC_SUCCESS",
+ 0x030: "TPM_RC_BAD_TAG",
+}
+
+TPM2_VER1_ERRORS = {
+ 0x000: "TPM_RC_FAILURE",
+ 0x001: "TPM_RC_FAILURE",
+ 0x003: "TPM_RC_SEQUENCE",
+ 0x00B: "TPM_RC_PRIVATE",
+ 0x019: "TPM_RC_HMAC",
+ 0x020: "TPM_RC_DISABLED",
+ 0x021: "TPM_RC_EXCLUSIVE",
+ 0x024: "TPM_RC_AUTH_TYPE",
+ 0x025: "TPM_RC_AUTH_MISSING",
+ 0x026: "TPM_RC_POLICY",
+ 0x027: "TPM_RC_PCR",
+ 0x028: "TPM_RC_PCR_CHANGED",
+ 0x02D: "TPM_RC_UPGRADE",
+ 0x02E: "TPM_RC_TOO_MANY_CONTEXTS",
+ 0x02F: "TPM_RC_AUTH_UNAVAILABLE",
+ 0x030: "TPM_RC_REBOOT",
+ 0x031: "TPM_RC_UNBALANCED",
+ 0x042: "TPM_RC_COMMAND_SIZE",
+ 0x043: "TPM_RC_COMMAND_CODE",
+ 0x044: "TPM_RC_AUTHSIZE",
+ 0x045: "TPM_RC_AUTH_CONTEXT",
+ 0x046: "TPM_RC_NV_RANGE",
+ 0x047: "TPM_RC_NV_SIZE",
+ 0x048: "TPM_RC_NV_LOCKED",
+ 0x049: "TPM_RC_NV_AUTHORIZATION",
+ 0x04A: "TPM_RC_NV_UNINITIALIZED",
+ 0x04B: "TPM_RC_NV_SPACE",
+ 0x04C: "TPM_RC_NV_DEFINED",
+ 0x050: "TPM_RC_BAD_CONTEXT",
+ 0x051: "TPM_RC_CPHASH",
+ 0x052: "TPM_RC_PARENT",
+ 0x053: "TPM_RC_NEEDS_TEST",
+ 0x054: "TPM_RC_NO_RESULT",
+ 0x055: "TPM_RC_SENSITIVE",
+ 0x07F: "RC_MAX_FM0",
+}
+
+TPM2_FMT1_ERRORS = {
+ 0x001: "TPM_RC_ASYMMETRIC",
+ 0x002: "TPM_RC_ATTRIBUTES",
+ 0x003: "TPM_RC_HASH",
+ 0x004: "TPM_RC_VALUE",
+ 0x005: "TPM_RC_HIERARCHY",
+ 0x007: "TPM_RC_KEY_SIZE",
+ 0x008: "TPM_RC_MGF",
+ 0x009: "TPM_RC_MODE",
+ 0x00A: "TPM_RC_TYPE",
+ 0x00B: "TPM_RC_HANDLE",
+ 0x00C: "TPM_RC_KDF",
+ 0x00D: "TPM_RC_RANGE",
+ 0x00E: "TPM_RC_AUTH_FAIL",
+ 0x00F: "TPM_RC_NONCE",
+ 0x010: "TPM_RC_PP",
+ 0x012: "TPM_RC_SCHEME",
+ 0x015: "TPM_RC_SIZE",
+ 0x016: "TPM_RC_SYMMETRIC",
+ 0x017: "TPM_RC_TAG",
+ 0x018: "TPM_RC_SELECTOR",
+ 0x01A: "TPM_RC_INSUFFICIENT",
+ 0x01B: "TPM_RC_SIGNATURE",
+ 0x01C: "TPM_RC_KEY",
+ 0x01D: "TPM_RC_POLICY_FAIL",
+ 0x01F: "TPM_RC_INTEGRITY",
+ 0x020: "TPM_RC_TICKET",
+ 0x021: "TPM_RC_RESERVED_BITS",
+ 0x022: "TPM_RC_BAD_AUTH",
+ 0x023: "TPM_RC_EXPIRED",
+ 0x024: "TPM_RC_POLICY_CC",
+ 0x025: "TPM_RC_BINDING",
+ 0x026: "TPM_RC_CURVE",
+ 0x027: "TPM_RC_ECC_POINT",
+}
+
+TPM2_WARN_ERRORS = {
+ 0x001: "TPM_RC_CONTEXT_GAP",
+ 0x002: "TPM_RC_OBJECT_MEMORY",
+ 0x003: "TPM_RC_SESSION_MEMORY",
+ 0x004: "TPM_RC_MEMORY",
+ 0x005: "TPM_RC_SESSION_HANDLES",
+ 0x006: "TPM_RC_OBJECT_HANDLES",
+ 0x007: "TPM_RC_LOCALITY",
+ 0x008: "TPM_RC_YIELDED",
+ 0x009: "TPM_RC_CANCELED",
+ 0x00A: "TPM_RC_TESTING",
+ 0x010: "TPM_RC_REFERENCE_H0",
+ 0x011: "TPM_RC_REFERENCE_H1",
+ 0x012: "TPM_RC_REFERENCE_H2",
+ 0x013: "TPM_RC_REFERENCE_H3",
+ 0x014: "TPM_RC_REFERENCE_H4",
+ 0x015: "TPM_RC_REFERENCE_H5",
+ 0x016: "TPM_RC_REFERENCE_H6",
+ 0x018: "TPM_RC_REFERENCE_S0",
+ 0x019: "TPM_RC_REFERENCE_S1",
+ 0x01A: "TPM_RC_REFERENCE_S2",
+ 0x01B: "TPM_RC_REFERENCE_S3",
+ 0x01C: "TPM_RC_REFERENCE_S4",
+ 0x01D: "TPM_RC_REFERENCE_S5",
+ 0x01E: "TPM_RC_REFERENCE_S6",
+ 0x020: "TPM_RC_NV_RATE",
+ 0x021: "TPM_RC_LOCKOUT",
+ 0x022: "TPM_RC_RETRY",
+ 0x023: "TPM_RC_NV_UNAVAILABLE",
+ 0x7F: "TPM_RC_NOT_USED",
+}
+
+RC_VER1 = 0x100
+RC_FMT1 = 0x080
+RC_WARN = 0x900
+
+ALG_DIGEST_SIZE_MAP = {
+ TPM2_ALG_SHA1: SHA1_DIGEST_SIZE,
+ TPM2_ALG_SHA256: SHA256_DIGEST_SIZE,
+}
+
+ALG_HASH_FUNCTION_MAP = {
+ TPM2_ALG_SHA1: hashlib.sha1,
+ TPM2_ALG_SHA256: hashlib.sha256
+}
+
+NAME_ALG_MAP = {
+ "sha1": TPM2_ALG_SHA1,
+ "sha256": TPM2_ALG_SHA256,
+}
+
+
+class UnknownAlgorithmIdError(Exception):
+ def __init__(self, alg):
+ self.alg = alg
+
+ def __str__(self):
+ return '0x%0x' % (alg)
+
+
+class UnknownAlgorithmNameError(Exception):
+ def __init__(self, name):
+ self.name = name
+
+ def __str__(self):
+ return name
+
+
+class UnknownPCRBankError(Exception):
+ def __init__(self, alg):
+ self.alg = alg
+
+ def __str__(self):
+ return '0x%0x' % (alg)
+
+
+class ProtocolError(Exception):
+ def __init__(self, cc, rc):
+ self.cc = cc
+ self.rc = rc
+
+ if (rc & RC_FMT1) == RC_FMT1:
+ self.name = TPM2_FMT1_ERRORS.get(rc & 0x3f, "TPM_RC_UNKNOWN")
+ elif (rc & RC_WARN) == RC_WARN:
+ self.name = TPM2_WARN_ERRORS.get(rc & 0x7f, "TPM_RC_UNKNOWN")
+ elif (rc & RC_VER1) == RC_VER1:
+ self.name = TPM2_VER1_ERRORS.get(rc & 0x7f, "TPM_RC_UNKNOWN")
+ else:
+ self.name = TPM2_VER0_ERRORS.get(rc & 0x7f, "TPM_RC_UNKNOWN")
+
+ def __str__(self):
+ if self.cc:
+ return '%s: cc=0x%08x, rc=0x%08x' % (self.name, self.cc, self.rc)
+ else:
+ return '%s: rc=0x%08x' % (self.name, self.rc)
+
+
+class AuthCommand(object):
+ """TPMS_AUTH_COMMAND"""
+
+ def __init__(self, session_handle=TPM2_RS_PW, nonce='', session_attributes=0,
+ hmac=''):
+ self.session_handle = session_handle
+ self.nonce = nonce
+ self.session_attributes = session_attributes
+ self.hmac = hmac
+
+ def __str__(self):
+ fmt = '>I H%us B H%us' % (len(self.nonce), len(self.hmac))
+ return struct.pack(fmt, self.session_handle, len(self.nonce),
+ self.nonce, self.session_attributes, len(self.hmac),
+ self.hmac)
+
+ def __len__(self):
+ fmt = '>I H%us B H%us' % (len(self.nonce), len(self.hmac))
+ return struct.calcsize(fmt)
+
+
+class SensitiveCreate(object):
+ """TPMS_SENSITIVE_CREATE"""
+
+ def __init__(self, user_auth='', data=''):
+ self.user_auth = user_auth
+ self.data = data
+
+ def __str__(self):
+ fmt = '>H%us H%us' % (len(self.user_auth), len(self.data))
+ return struct.pack(fmt, len(self.user_auth), self.user_auth,
+ len(self.data), self.data)
+
+ def __len__(self):
+ fmt = '>H%us H%us' % (len(self.user_auth), len(self.data))
+ return struct.calcsize(fmt)
+
+
+class Public(object):
+ """TPMT_PUBLIC"""
+
+ FIXED_TPM = (1 << 1)
+ FIXED_PARENT = (1 << 4)
+ SENSITIVE_DATA_ORIGIN = (1 << 5)
+ USER_WITH_AUTH = (1 << 6)
+ RESTRICTED = (1 << 16)
+ DECRYPT = (1 << 17)
+
+ def __fmt(self):
+ return '>HHIH%us%usH%us' % \
+ (len(self.auth_policy), len(self.parameters), len(self.unique))
+
+ def __init__(self, object_type, name_alg, object_attributes, auth_policy='',
+ parameters='', unique=''):
+ self.object_type = object_type
+ self.name_alg = name_alg
+ self.object_attributes = object_attributes
+ self.auth_policy = auth_policy
+ self.parameters = parameters
+ self.unique = unique
+
+ def __str__(self):
+ return struct.pack(self.__fmt(),
+ self.object_type,
+ self.name_alg,
+ self.object_attributes,
+ len(self.auth_policy),
+ self.auth_policy,
+ self.parameters,
+ len(self.unique),
+ self.unique)
+
+ def __len__(self):
+ return struct.calcsize(self.__fmt())
+
+
+def get_digest_size(alg):
+ ds = ALG_DIGEST_SIZE_MAP.get(alg)
+ if not ds:
+ raise UnknownAlgorithmIdError(alg)
+ return ds
+
+
+def get_hash_function(alg):
+ f = ALG_HASH_FUNCTION_MAP.get(alg)
+ if not f:
+ raise UnknownAlgorithmIdError(alg)
+ return f
+
+
+def get_algorithm(name):
+ alg = NAME_ALG_MAP.get(name)
+ if not alg:
+ raise UnknownAlgorithmNameError(name)
+ return alg
+
+
+def hex_dump(d):
+ d = [format(ord(x), '02x') for x in d]
+ d = [d[i: i + 16] for i in xrange(0, len(d), 16)]
+ d = [' '.join(x) for x in d]
+ d = os.linesep.join(d)
+
+ return d
+
+class Client:
+ FLAG_DEBUG = 0x01
+ FLAG_SPACE = 0x02
+ TPM_IOC_NEW_SPACE = 0xa200
+
+ def __init__(self, flags = 0):
+ self.flags = flags
+
+ if (self.flags & Client.FLAG_SPACE) == 0:
+ self.tpm = open('/dev/tpm0', 'r+b', buffering=0)
+ else:
+ self.tpm = open('/dev/tpmrm0', 'r+b', buffering=0)
+
+ def close(self):
+ self.tpm.close()
+
+ def send_cmd(self, cmd):
+ self.tpm.write(cmd)
+ rsp = self.tpm.read()
+
+ if (self.flags & Client.FLAG_DEBUG) != 0:
+ sys.stderr.write('cmd' + os.linesep)
+ sys.stderr.write(hex_dump(cmd) + os.linesep)
+ sys.stderr.write('rsp' + os.linesep)
+ sys.stderr.write(hex_dump(rsp) + os.linesep)
+
+ rc = struct.unpack('>I', rsp[6:10])[0]
+ if rc != 0:
+ cc = struct.unpack('>I', cmd[6:10])[0]
+ raise ProtocolError(cc, rc)
+
+ return rsp
+
+ def read_pcr(self, i, bank_alg = TPM2_ALG_SHA1):
+ pcrsel_len = max((i >> 3) + 1, 3)
+ pcrsel = [0] * pcrsel_len
+ pcrsel[i >> 3] = 1 << (i & 7)
+ pcrsel = ''.join(map(chr, pcrsel))
+
+ fmt = '>HII IHB%us' % (pcrsel_len)
+ cmd = struct.pack(fmt,
+ TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_PCR_READ,
+ 1,
+ bank_alg,
+ pcrsel_len, pcrsel)
+
+ rsp = self.send_cmd(cmd)
+
+ pcr_update_cnt, pcr_select_cnt = struct.unpack('>II', rsp[10:18])
+ assert pcr_select_cnt == 1
+ rsp = rsp[18:]
+
+ alg2, pcrsel_len2 = struct.unpack('>HB', rsp[:3])
+ assert bank_alg == alg2 and pcrsel_len == pcrsel_len2
+ rsp = rsp[3 + pcrsel_len:]
+
+ digest_cnt = struct.unpack('>I', rsp[:4])[0]
+ if digest_cnt == 0:
+ return None
+ rsp = rsp[6:]
+
+ return rsp
+
+ def extend_pcr(self, i, dig, bank_alg = TPM2_ALG_SHA1):
+ ds = get_digest_size(bank_alg)
+ assert(ds == len(dig))
+
+ auth_cmd = AuthCommand()
+
+ fmt = '>HII I I%us IH%us' % (len(auth_cmd), ds)
+ cmd = struct.pack(
+ fmt,
+ TPM2_ST_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_PCR_EXTEND,
+ i,
+ len(auth_cmd),
+ str(auth_cmd),
+ 1, bank_alg, dig)
+
+ self.send_cmd(cmd)
+
+ def start_auth_session(self, session_type, name_alg = TPM2_ALG_SHA1):
+ fmt = '>HII IIH16sHBHH'
+ cmd = struct.pack(fmt,
+ TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_START_AUTH_SESSION,
+ TPM2_RH_NULL,
+ TPM2_RH_NULL,
+ 16,
+ '\0' * 16,
+ 0,
+ session_type,
+ TPM2_ALG_NULL,
+ name_alg)
+
+ return struct.unpack('>I', self.send_cmd(cmd)[10:14])[0]
+
+ def __calc_pcr_digest(self, pcrs, bank_alg = TPM2_ALG_SHA1,
+ digest_alg = TPM2_ALG_SHA1):
+ x = []
+ f = get_hash_function(digest_alg)
+
+ for i in pcrs:
+ pcr = self.read_pcr(i, bank_alg)
+ if pcr == None:
+ return None
+ x += pcr
+
+ return f(bytearray(x)).digest()
+
+ def policy_pcr(self, handle, pcrs, bank_alg = TPM2_ALG_SHA1,
+ name_alg = TPM2_ALG_SHA1):
+ ds = get_digest_size(name_alg)
+ dig = self.__calc_pcr_digest(pcrs, bank_alg, name_alg)
+ if not dig:
+ raise UnknownPCRBankError(bank_alg)
+
+ pcrsel_len = max((max(pcrs) >> 3) + 1, 3)
+ pcrsel = [0] * pcrsel_len
+ for i in pcrs:
+ pcrsel[i >> 3] |= 1 << (i & 7)
+ pcrsel = ''.join(map(chr, pcrsel))
+
+ fmt = '>HII IH%usIHB3s' % ds
+ cmd = struct.pack(fmt,
+ TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_POLICY_PCR,
+ handle,
+ len(dig), str(dig),
+ 1,
+ bank_alg,
+ pcrsel_len, pcrsel)
+
+ self.send_cmd(cmd)
+
+ def policy_password(self, handle):
+ fmt = '>HII I'
+ cmd = struct.pack(fmt,
+ TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_POLICY_PASSWORD,
+ handle)
+
+ self.send_cmd(cmd)
+
+ def get_policy_digest(self, handle):
+ fmt = '>HII I'
+ cmd = struct.pack(fmt,
+ TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_POLICY_GET_DIGEST,
+ handle)
+
+ return self.send_cmd(cmd)[12:]
+
+ def flush_context(self, handle):
+ fmt = '>HIII'
+ cmd = struct.pack(fmt,
+ TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_FLUSH_CONTEXT,
+ handle)
+
+ self.send_cmd(cmd)
+
+ def create_root_key(self, auth_value = ''):
+ attributes = \
+ Public.FIXED_TPM | \
+ Public.FIXED_PARENT | \
+ Public.SENSITIVE_DATA_ORIGIN | \
+ Public.USER_WITH_AUTH | \
+ Public.RESTRICTED | \
+ Public.DECRYPT
+
+ auth_cmd = AuthCommand()
+ sensitive = SensitiveCreate(user_auth=auth_value)
+
+ public_parms = struct.pack(
+ '>HHHHHI',
+ TPM2_ALG_AES,
+ 128,
+ TPM2_ALG_CFB,
+ TPM2_ALG_NULL,
+ 2048,
+ 0)
+
+ public = Public(
+ object_type=TPM2_ALG_RSA,
+ name_alg=TPM2_ALG_SHA1,
+ object_attributes=attributes,
+ parameters=public_parms)
+
+ fmt = '>HIII I%us H%us H%us HI' % \
+ (len(auth_cmd), len(sensitive), len(public))
+ cmd = struct.pack(
+ fmt,
+ TPM2_ST_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_CREATE_PRIMARY,
+ TPM2_RH_OWNER,
+ len(auth_cmd),
+ str(auth_cmd),
+ len(sensitive),
+ str(sensitive),
+ len(public),
+ str(public),
+ 0, 0)
+
+ return struct.unpack('>I', self.send_cmd(cmd)[10:14])[0]
+
+ def seal(self, parent_key, data, auth_value, policy_dig,
+ name_alg = TPM2_ALG_SHA1):
+ ds = get_digest_size(name_alg)
+ assert(not policy_dig or ds == len(policy_dig))
+
+ attributes = 0
+ if not policy_dig:
+ attributes |= Public.USER_WITH_AUTH
+ policy_dig = ''
+
+ auth_cmd = AuthCommand()
+ sensitive = SensitiveCreate(user_auth=auth_value, data=data)
+
+ public = Public(
+ object_type=TPM2_ALG_KEYEDHASH,
+ name_alg=name_alg,
+ object_attributes=attributes,
+ auth_policy=policy_dig,
+ parameters=struct.pack('>H', TPM2_ALG_NULL))
+
+ fmt = '>HIII I%us H%us H%us HI' % \
+ (len(auth_cmd), len(sensitive), len(public))
+ cmd = struct.pack(
+ fmt,
+ TPM2_ST_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_CREATE,
+ parent_key,
+ len(auth_cmd),
+ str(auth_cmd),
+ len(sensitive),
+ str(sensitive),
+ len(public),
+ str(public),
+ 0, 0)
+
+ rsp = self.send_cmd(cmd)
+
+ return rsp[14:]
+
+ def unseal(self, parent_key, blob, auth_value, policy_handle):
+ private_len = struct.unpack('>H', blob[0:2])[0]
+ public_start = private_len + 2
+ public_len = struct.unpack('>H', blob[public_start:public_start + 2])[0]
+ blob = blob[:private_len + public_len + 4]
+
+ auth_cmd = AuthCommand()
+
+ fmt = '>HII I I%us %us' % (len(auth_cmd), len(blob))
+ cmd = struct.pack(
+ fmt,
+ TPM2_ST_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_LOAD,
+ parent_key,
+ len(auth_cmd),
+ str(auth_cmd),
+ blob)
+
+ data_handle = struct.unpack('>I', self.send_cmd(cmd)[10:14])[0]
+
+ if policy_handle:
+ auth_cmd = AuthCommand(session_handle=policy_handle, hmac=auth_value)
+ else:
+ auth_cmd = AuthCommand(hmac=auth_value)
+
+ fmt = '>HII I I%us' % (len(auth_cmd))
+ cmd = struct.pack(
+ fmt,
+ TPM2_ST_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_UNSEAL,
+ data_handle,
+ len(auth_cmd),
+ str(auth_cmd))
+
+ try:
+ rsp = self.send_cmd(cmd)
+ finally:
+ self.flush_context(data_handle)
+
+ data_len = struct.unpack('>I', rsp[10:14])[0] - 2
+
+ return rsp[16:16 + data_len]
+
+ def reset_da_lock(self):
+ auth_cmd = AuthCommand()
+
+ fmt = '>HII I I%us' % (len(auth_cmd))
+ cmd = struct.pack(
+ fmt,
+ TPM2_ST_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_DICTIONARY_ATTACK_LOCK_RESET,
+ TPM2_RH_LOCKOUT,
+ len(auth_cmd),
+ str(auth_cmd))
+
+ self.send_cmd(cmd)
+
+ def __get_cap_cnt(self, cap, pt, cnt):
+ handles = []
+ fmt = '>HII III'
+
+ cmd = struct.pack(fmt,
+ TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ TPM2_CC_GET_CAPABILITY,
+ cap, pt, cnt)
+
+ rsp = self.send_cmd(cmd)[10:]
+ more_data, cap, cnt = struct.unpack('>BII', rsp[:9])
+ rsp = rsp[9:]
+
+ for i in xrange(0, cnt):
+ handle = struct.unpack('>I', rsp[:4])[0]
+ handles.append(handle)
+ rsp = rsp[4:]
+
+ return handles, more_data
+
+ def get_cap(self, cap, pt):
+ handles = []
+
+ more_data = True
+ while more_data:
+ next_handles, more_data = self.__get_cap_cnt(cap, pt, 1)
+ handles += next_handles
+ pt += 1
+
+ return handles
diff --git a/tools/testing/selftests/tpm2/tpm2_tests.py b/tools/testing/selftests/tpm2/tpm2_tests.py
new file mode 100644
index 000000000000..d4973be53493
--- /dev/null
+++ b/tools/testing/selftests/tpm2/tpm2_tests.py
@@ -0,0 +1,290 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+
+from argparse import ArgumentParser
+from argparse import FileType
+import os
+import sys
+import tpm2
+from tpm2 import ProtocolError
+import unittest
+import logging
+import struct
+
+class SmokeTest(unittest.TestCase):
+ def setUp(self):
+ self.client = tpm2.Client()
+ self.root_key = self.client.create_root_key()
+
+ def tearDown(self):
+ self.client.flush_context(self.root_key)
+ self.client.close()
+
+ def test_seal_with_auth(self):
+ data = 'X' * 64
+ auth = 'A' * 15
+
+ blob = self.client.seal(self.root_key, data, auth, None)
+ result = self.client.unseal(self.root_key, blob, auth, None)
+ self.assertEqual(data, result)
+
+ def test_seal_with_policy(self):
+ handle = self.client.start_auth_session(tpm2.TPM2_SE_TRIAL)
+
+ data = 'X' * 64
+ auth = 'A' * 15
+ pcrs = [16]
+
+ try:
+ self.client.policy_pcr(handle, pcrs)
+ self.client.policy_password(handle)
+
+ policy_dig = self.client.get_policy_digest(handle)
+ finally:
+ self.client.flush_context(handle)
+
+ blob = self.client.seal(self.root_key, data, auth, policy_dig)
+
+ handle = self.client.start_auth_session(tpm2.TPM2_SE_POLICY)
+
+ try:
+ self.client.policy_pcr(handle, pcrs)
+ self.client.policy_password(handle)
+
+ result = self.client.unseal(self.root_key, blob, auth, handle)
+ except:
+ self.client.flush_context(handle)
+ raise
+
+ self.assertEqual(data, result)
+
+ def test_unseal_with_wrong_auth(self):
+ data = 'X' * 64
+ auth = 'A' * 20
+ rc = 0
+
+ blob = self.client.seal(self.root_key, data, auth, None)
+ try:
+ result = self.client.unseal(self.root_key, blob, auth[:-1] + 'B', None)
+ except ProtocolError, e:
+ rc = e.rc
+
+ self.assertEqual(rc, tpm2.TPM2_RC_AUTH_FAIL)
+
+ def test_unseal_with_wrong_policy(self):
+ handle = self.client.start_auth_session(tpm2.TPM2_SE_TRIAL)
+
+ data = 'X' * 64
+ auth = 'A' * 17
+ pcrs = [16]
+
+ try:
+ self.client.policy_pcr(handle, pcrs)
+ self.client.policy_password(handle)
+
+ policy_dig = self.client.get_policy_digest(handle)
+ finally:
+ self.client.flush_context(handle)
+
+ blob = self.client.seal(self.root_key, data, auth, policy_dig)
+
+ # Extend first a PCR that is not part of the policy and try to unseal.
+ # This should succeed.
+
+ ds = tpm2.get_digest_size(tpm2.TPM2_ALG_SHA1)
+ self.client.extend_pcr(1, 'X' * ds)
+
+ handle = self.client.start_auth_session(tpm2.TPM2_SE_POLICY)
+
+ try:
+ self.client.policy_pcr(handle, pcrs)
+ self.client.policy_password(handle)
+
+ result = self.client.unseal(self.root_key, blob, auth, handle)
+ except:
+ self.client.flush_context(handle)
+ raise
+
+ self.assertEqual(data, result)
+
+ # Then, extend a PCR that is part of the policy and try to unseal.
+ # This should fail.
+ self.client.extend_pcr(16, 'X' * ds)
+
+ handle = self.client.start_auth_session(tpm2.TPM2_SE_POLICY)
+
+ rc = 0
+
+ try:
+ self.client.policy_pcr(handle, pcrs)
+ self.client.policy_password(handle)
+
+ result = self.client.unseal(self.root_key, blob, auth, handle)
+ except ProtocolError, e:
+ rc = e.rc
+ self.client.flush_context(handle)
+ except:
+ self.client.flush_context(handle)
+ raise
+
+ self.assertEqual(rc, tpm2.TPM2_RC_POLICY_FAIL)
+
+ def test_seal_with_too_long_auth(self):
+ ds = tpm2.get_digest_size(tpm2.TPM2_ALG_SHA1)
+ data = 'X' * 64
+ auth = 'A' * (ds + 1)
+
+ rc = 0
+ try:
+ blob = self.client.seal(self.root_key, data, auth, None)
+ except ProtocolError, e:
+ rc = e.rc
+
+ self.assertEqual(rc, tpm2.TPM2_RC_SIZE)
+
+ def test_too_short_cmd(self):
+ rejected = False
+ try:
+ fmt = '>HIII'
+ cmd = struct.pack(fmt,
+ tpm2.TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt) + 1,
+ tpm2.TPM2_CC_FLUSH_CONTEXT,
+ 0xDEADBEEF)
+
+ self.client.send_cmd(cmd)
+ except IOError, e:
+ rejected = True
+ except:
+ pass
+ self.assertEqual(rejected, True)
+
+ def test_read_partial_resp(self):
+ try:
+ fmt = '>HIIH'
+ cmd = struct.pack(fmt,
+ tpm2.TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ tpm2.TPM2_CC_GET_RANDOM,
+ 0x20)
+ self.client.tpm.write(cmd)
+ hdr = self.client.tpm.read(10)
+ sz = struct.unpack('>I', hdr[2:6])[0]
+ rsp = self.client.tpm.read()
+ except:
+ pass
+ self.assertEqual(sz, 10 + 2 + 32)
+ self.assertEqual(len(rsp), 2 + 32)
+
+ def test_read_partial_overwrite(self):
+ try:
+ fmt = '>HIIH'
+ cmd = struct.pack(fmt,
+ tpm2.TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ tpm2.TPM2_CC_GET_RANDOM,
+ 0x20)
+ self.client.tpm.write(cmd)
+ # Read part of the respone
+ rsp1 = self.client.tpm.read(15)
+
+ # Send a new cmd
+ self.client.tpm.write(cmd)
+
+ # Read the whole respone
+ rsp2 = self.client.tpm.read()
+ except:
+ pass
+ self.assertEqual(len(rsp1), 15)
+ self.assertEqual(len(rsp2), 10 + 2 + 32)
+
+ def test_send_two_cmds(self):
+ rejected = False
+ try:
+ fmt = '>HIIH'
+ cmd = struct.pack(fmt,
+ tpm2.TPM2_ST_NO_SESSIONS,
+ struct.calcsize(fmt),
+ tpm2.TPM2_CC_GET_RANDOM,
+ 0x20)
+ self.client.tpm.write(cmd)
+
+ # expect the second one to raise -EBUSY error
+ self.client.tpm.write(cmd)
+ rsp = self.client.tpm.read()
+
+ except IOError, e:
+ # read the response
+ rsp = self.client.tpm.read()
+ rejected = True
+ pass
+ except:
+ pass
+ self.assertEqual(rejected, True)
+
+class SpaceTest(unittest.TestCase):
+ def setUp(self):
+ logging.basicConfig(filename='SpaceTest.log', level=logging.DEBUG)
+
+ def test_make_two_spaces(self):
+ log = logging.getLogger(__name__)
+ log.debug("test_make_two_spaces")
+
+ space1 = tpm2.Client(tpm2.Client.FLAG_SPACE)
+ root1 = space1.create_root_key()
+ space2 = tpm2.Client(tpm2.Client.FLAG_SPACE)
+ root2 = space2.create_root_key()
+ root3 = space2.create_root_key()
+
+ log.debug("%08x" % (root1))
+ log.debug("%08x" % (root2))
+ log.debug("%08x" % (root3))
+
+ def test_flush_context(self):
+ log = logging.getLogger(__name__)
+ log.debug("test_flush_context")
+
+ space1 = tpm2.Client(tpm2.Client.FLAG_SPACE)
+ root1 = space1.create_root_key()
+ log.debug("%08x" % (root1))
+
+ space1.flush_context(root1)
+
+ def test_get_handles(self):
+ log = logging.getLogger(__name__)
+ log.debug("test_get_handles")
+
+ space1 = tpm2.Client(tpm2.Client.FLAG_SPACE)
+ space1.create_root_key()
+ space2 = tpm2.Client(tpm2.Client.FLAG_SPACE)
+ space2.create_root_key()
+ space2.create_root_key()
+
+ handles = space2.get_cap(tpm2.TPM2_CAP_HANDLES, tpm2.HR_TRANSIENT)
+
+ self.assertEqual(len(handles), 2)
+
+ log.debug("%08x" % (handles[0]))
+ log.debug("%08x" % (handles[1]))
+
+ def test_invalid_cc(self):
+ log = logging.getLogger(__name__)
+ log.debug(sys._getframe().f_code.co_name)
+
+ TPM2_CC_INVALID = tpm2.TPM2_CC_FIRST - 1
+
+ space1 = tpm2.Client(tpm2.Client.FLAG_SPACE)
+ root1 = space1.create_root_key()
+ log.debug("%08x" % (root1))
+
+ fmt = '>HII'
+ cmd = struct.pack(fmt, tpm2.TPM2_ST_NO_SESSIONS, struct.calcsize(fmt),
+ TPM2_CC_INVALID)
+
+ rc = 0
+ try:
+ space1.send_cmd(cmd)
+ except ProtocolError, e:
+ rc = e.rc
+
+ self.assertEqual(rc, tpm2.TPM2_RC_COMMAND_CODE |
+ tpm2.TSS2_RESMGR_TPM_RC_LAYER)
diff --git a/tools/testing/selftests/user/Makefile b/tools/testing/selftests/user/Makefile
index d401b63c5b1a..640a40f9b72b 100644
--- a/tools/testing/selftests/user/Makefile
+++ b/tools/testing/selftests/user/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
# Makefile for user memory selftests
# No binaries, but make sure arg-less "make" doesn't trigger "run_tests"
diff --git a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
index 93b0ebf8cc38..5ac4b00acfbc 100644
--- a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
+++ b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* vdso_test.c: Sample code to test parse_vdso.c on x86
* Copyright (c) 2011-2014 Andy Lutomirski
- * Subject to the GNU General Public License, version 2
*
* You can amuse yourself by compiling with:
* gcc -std=gnu99 -nostdlib
diff --git a/tools/testing/selftests/vDSO/vdso_test.c b/tools/testing/selftests/vDSO/vdso_test.c
index eda53f833d8e..719d5a6bd664 100644
--- a/tools/testing/selftests/vDSO/vdso_test.c
+++ b/tools/testing/selftests/vDSO/vdso_test.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* vdso_test.c: Sample code to test parse_vdso.c
* Copyright (c) 2014 Andy Lutomirski
- * Subject to the GNU General Public License, version 2
*
* Compile with:
* gcc -std=gnu99 vdso_test.c parse_vdso.c
diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index e13eb6cc8901..9534dc2bc929 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -1,10 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for vm selftests
-ifndef OUTPUT
- OUTPUT := $(shell pwd)
-endif
-
CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS)
LDLIBS = -lrt
TEST_GEN_FILES = compaction_test
@@ -25,6 +21,8 @@ TEST_GEN_FILES += virtual_address_range
TEST_PROGS := run_vmtests
+TEST_FILES := test_vmalloc.sh
+
KSFT_KHDR_INSTALL := 1
include ../lib.mk
diff --git a/tools/testing/selftests/vm/map_hugetlb.c b/tools/testing/selftests/vm/map_hugetlb.c
index 9b777fa95f09..5a2d7b8efc40 100644
--- a/tools/testing/selftests/vm/map_hugetlb.c
+++ b/tools/testing/selftests/vm/map_hugetlb.c
@@ -23,6 +23,14 @@
#define MAP_HUGETLB 0x40000 /* arch specific */
#endif
+#ifndef MAP_HUGE_SHIFT
+#define MAP_HUGE_SHIFT 26
+#endif
+
+#ifndef MAP_HUGE_MASK
+#define MAP_HUGE_MASK 0x3f
+#endif
+
/* Only ia64 requires this */
#ifdef __ia64__
#define ADDR (void *)(0x8000000000000000UL)
@@ -58,12 +66,29 @@ static int read_bytes(char *addr)
return 0;
}
-int main(void)
+int main(int argc, char **argv)
{
void *addr;
int ret;
+ size_t length = LENGTH;
+ int flags = FLAGS;
+ int shift = 0;
+
+ if (argc > 1)
+ length = atol(argv[1]) << 20;
+ if (argc > 2) {
+ shift = atoi(argv[2]);
+ if (shift)
+ flags |= (shift & MAP_HUGE_MASK) << MAP_HUGE_SHIFT;
+ }
+
+ if (shift)
+ printf("%u kB hugepages\n", 1 << shift);
+ else
+ printf("Default size hugepages\n");
+ printf("Mapping %lu Mbytes\n", (unsigned long)length >> 20);
- addr = mmap(ADDR, LENGTH, PROTECTION, FLAGS, -1, 0);
+ addr = mmap(ADDR, length, PROTECTION, flags, -1, 0);
if (addr == MAP_FAILED) {
perror("mmap");
exit(1);
diff --git a/tools/testing/selftests/vm/run_vmtests b/tools/testing/selftests/vm/run_vmtests
index 584a91ae4a8f..951c507a27f7 100755
--- a/tools/testing/selftests/vm/run_vmtests
+++ b/tools/testing/selftests/vm/run_vmtests
@@ -211,4 +211,20 @@ else
echo "[PASS]"
fi
+echo "------------------------------------"
+echo "running vmalloc stability smoke test"
+echo "------------------------------------"
+./test_vmalloc.sh smoke
+ret_val=$?
+
+if [ $ret_val -eq 0 ]; then
+ echo "[PASS]"
+elif [ $ret_val -eq $ksft_skip ]; then
+ echo "[SKIP]"
+ exitcode=$ksft_skip
+else
+ echo "[FAIL]"
+ exitcode=1
+fi
+
exit $exitcode
diff --git a/tools/testing/selftests/vm/test_vmalloc.sh b/tools/testing/selftests/vm/test_vmalloc.sh
new file mode 100755
index 000000000000..06d2bb109f06
--- /dev/null
+++ b/tools/testing/selftests/vm/test_vmalloc.sh
@@ -0,0 +1,176 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (C) 2018 Uladzislau Rezki (Sony) <urezki@gmail.com>
+#
+# This is a test script for the kernel test driver to analyse vmalloc
+# allocator. Therefore it is just a kernel module loader. You can specify
+# and pass different parameters in order to:
+# a) analyse performance of vmalloc allocations;
+# b) stressing and stability check of vmalloc subsystem.
+
+TEST_NAME="vmalloc"
+DRIVER="test_${TEST_NAME}"
+
+# 1 if fails
+exitcode=1
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+#
+# Static templates for performance, stressing and smoke tests.
+# Also it is possible to pass any supported parameters manualy.
+#
+PERF_PARAM="single_cpu_test=1 sequential_test_order=1 test_repeat_count=3"
+SMOKE_PARAM="single_cpu_test=1 test_loop_count=10000 test_repeat_count=10"
+STRESS_PARAM="test_repeat_count=20"
+
+check_test_requirements()
+{
+ uid=$(id -u)
+ if [ $uid -ne 0 ]; then
+ echo "$0: Must be run as root"
+ exit $ksft_skip
+ fi
+
+ if ! which modprobe > /dev/null 2>&1; then
+ echo "$0: You need modprobe installed"
+ exit $ksft_skip
+ fi
+
+ if ! modinfo $DRIVER > /dev/null 2>&1; then
+ echo "$0: You must have the following enabled in your kernel:"
+ echo "CONFIG_TEST_VMALLOC=m"
+ exit $ksft_skip
+ fi
+}
+
+run_perfformance_check()
+{
+ echo "Run performance tests to evaluate how fast vmalloc allocation is."
+ echo "It runs all test cases on one single CPU with sequential order."
+
+ modprobe $DRIVER $PERF_PARAM > /dev/null 2>&1
+ echo "Done."
+ echo "Ccheck the kernel message buffer to see the summary."
+}
+
+run_stability_check()
+{
+ echo "Run stability tests. In order to stress vmalloc subsystem we run"
+ echo "all available test cases on all available CPUs simultaneously."
+ echo "It will take time, so be patient."
+
+ modprobe $DRIVER $STRESS_PARAM > /dev/null 2>&1
+ echo "Done."
+ echo "Check the kernel ring buffer to see the summary."
+}
+
+run_smoke_check()
+{
+ echo "Run smoke test. Note, this test provides basic coverage."
+ echo "Please check $0 output how it can be used"
+ echo "for deep performance analysis as well as stress testing."
+
+ modprobe $DRIVER $SMOKE_PARAM > /dev/null 2>&1
+ echo "Done."
+ echo "Check the kernel ring buffer to see the summary."
+}
+
+usage()
+{
+ echo -n "Usage: $0 [ performance ] | [ stress ] | | [ smoke ] | "
+ echo "manual parameters"
+ echo
+ echo "Valid tests and parameters:"
+ echo
+ modinfo $DRIVER
+ echo
+ echo "Example usage:"
+ echo
+ echo "# Shows help message"
+ echo "./${DRIVER}.sh"
+ echo
+ echo "# Runs 1 test(id_1), repeats it 5 times on all online CPUs"
+ echo "./${DRIVER}.sh run_test_mask=1 test_repeat_count=5"
+ echo
+ echo -n "# Runs 4 tests(id_1|id_2|id_4|id_16) on one CPU with "
+ echo "sequential order"
+ echo -n "./${DRIVER}.sh single_cpu_test=1 sequential_test_order=1 "
+ echo "run_test_mask=23"
+ echo
+ echo -n "# Runs all tests on all online CPUs, shuffled order, repeats "
+ echo "20 times"
+ echo "./${DRIVER}.sh test_repeat_count=20"
+ echo
+ echo "# Performance analysis"
+ echo "./${DRIVER}.sh performance"
+ echo
+ echo "# Stress testing"
+ echo "./${DRIVER}.sh stress"
+ echo
+ exit 0
+}
+
+function validate_passed_args()
+{
+ VALID_ARGS=`modinfo $DRIVER | awk '/parm:/ {print $2}' | sed 's/:.*//'`
+
+ #
+ # Something has been passed, check it.
+ #
+ for passed_arg in $@; do
+ key=${passed_arg//=*/}
+ val="${passed_arg:$((${#key}+1))}"
+ valid=0
+
+ for valid_arg in $VALID_ARGS; do
+ if [[ $key = $valid_arg ]] && [[ $val -gt 0 ]]; then
+ valid=1
+ break
+ fi
+ done
+
+ if [[ $valid -ne 1 ]]; then
+ echo "Error: key or value is not correct: ${key} $val"
+ exit $exitcode
+ fi
+ done
+}
+
+function run_manual_check()
+{
+ #
+ # Validate passed parameters. If there is wrong one,
+ # the script exists and does not execute further.
+ #
+ validate_passed_args $@
+
+ echo "Run the test with following parameters: $@"
+ modprobe $DRIVER $@ > /dev/null 2>&1
+ echo "Done."
+ echo "Check the kernel ring buffer to see the summary."
+}
+
+function run_test()
+{
+ if [ $# -eq 0 ]; then
+ usage
+ else
+ if [[ "$1" = "performance" ]]; then
+ run_perfformance_check
+ elif [[ "$1" = "stress" ]]; then
+ run_stability_check
+ elif [[ "$1" = "smoke" ]]; then
+ run_smoke_check
+ else
+ run_manual_check $@
+ fi
+ fi
+}
+
+check_test_requirements
+run_test $@
+
+exit 0
diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index 5d1db824f73a..d3362777a425 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Stress userfaultfd syscall.
*
* Copyright (C) 2015 Red Hat, Inc.
*
- * This work is licensed under the terms of the GNU GPL, version 2. See
- * the COPYING file in the top-level directory.
- *
* This test allocates two virtual areas and bounces the physical
* memory across the two virtual areas (from area_src to area_dst)
* using userfaultfd.
@@ -123,7 +121,7 @@ static void usage(void)
fprintf(stderr, "Supported <test type>: anon, hugetlb, "
"hugetlb_shared, shmem\n\n");
fprintf(stderr, "Examples:\n\n");
- fprintf(stderr, examples);
+ fprintf(stderr, "%s", examples);
exit(1);
}
diff --git a/tools/testing/selftests/vm/va_128TBswitch.c b/tools/testing/selftests/vm/va_128TBswitch.c
index e7fe734c374f..83acdff26a13 100644
--- a/tools/testing/selftests/vm/va_128TBswitch.c
+++ b/tools/testing/selftests/vm/va_128TBswitch.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Authors: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
* Authors: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
-
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
*/
#include <stdio.h>
diff --git a/tools/testing/selftests/vm/virtual_address_range.c b/tools/testing/selftests/vm/virtual_address_range.c
index 1830d66a6f0e..c0592646ed93 100644
--- a/tools/testing/selftests/vm/virtual_address_range.c
+++ b/tools/testing/selftests/vm/virtual_address_range.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2017, Anshuman Khandual, IBM Corp.
- * Licensed under GPLv2.
*
* Works on architectures which support 128TB virtual
* address range and beyond.
diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile
index 186520198de7..fa07d526fe39 100644
--- a/tools/testing/selftests/x86/Makefile
+++ b/tools/testing/selftests/x86/Makefile
@@ -12,8 +12,9 @@ CAN_BUILD_WITH_NOPIE := $(shell ./check_cc.sh $(CC) trivial_program.c -no-pie)
TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt test_mremap_vdso \
check_initial_reg_state sigreturn iopl mpx-mini-test ioperm \
- protection_keys test_vdso test_vsyscall mov_ss_trap
-TARGETS_C_32BIT_ONLY := entry_from_vm86 syscall_arg_fault test_syscall_vdso unwind_vdso \
+ protection_keys test_vdso test_vsyscall mov_ss_trap \
+ syscall_arg_fault
+TARGETS_C_32BIT_ONLY := entry_from_vm86 test_syscall_vdso unwind_vdso \
test_FCMOV test_FCOMI test_FISTTP \
vdso_restorer
TARGETS_C_64BIT_ONLY := fsgsbase sysret_rip
diff --git a/tools/testing/selftests/x86/check_cc.sh b/tools/testing/selftests/x86/check_cc.sh
index 172d3293fb7b..3e2089c8cf54 100755
--- a/tools/testing/selftests/x86/check_cc.sh
+++ b/tools/testing/selftests/x86/check_cc.sh
@@ -1,7 +1,7 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
# check_cc.sh - Helper to test userspace compilation support
# Copyright (c) 2015 Andrew Lutomirski
-# GPL v2
CC="$1"
TESTPROG="$2"
diff --git a/tools/testing/selftests/x86/check_initial_reg_state.c b/tools/testing/selftests/x86/check_initial_reg_state.c
index 6aaed9b85baf..3bc95f3ed585 100644
--- a/tools/testing/selftests/x86/check_initial_reg_state.c
+++ b/tools/testing/selftests/x86/check_initial_reg_state.c
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* check_initial_reg_state.c - check that execve sets the correct state
* Copyright (c) 2014-2016 Andrew Lutomirski
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/x86/entry_from_vm86.c b/tools/testing/selftests/x86/entry_from_vm86.c
index ade443a88421..d1e919b0c1dc 100644
--- a/tools/testing/selftests/x86/entry_from_vm86.c
+++ b/tools/testing/selftests/x86/entry_from_vm86.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* entry_from_vm86.c - tests kernel entries from vm86 mode
* Copyright (c) 2014-2015 Andrew Lutomirski
*
* This exercises a few paths that need to special-case vm86 mode.
- *
- * GPL v2.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/x86/fsgsbase.c b/tools/testing/selftests/x86/fsgsbase.c
index f249e042b3b5..5ab4c60c100e 100644
--- a/tools/testing/selftests/x86/fsgsbase.c
+++ b/tools/testing/selftests/x86/fsgsbase.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* fsgsbase.c, an fsgsbase test
* Copyright (c) 2014-2016 Andy Lutomirski
- * GPL v2
*/
#define _GNU_SOURCE
@@ -23,6 +23,10 @@
#include <pthread.h>
#include <asm/ldt.h>
#include <sys/mman.h>
+#include <stddef.h>
+#include <sys/ptrace.h>
+#include <sys/wait.h>
+#include <setjmp.h>
#ifndef __x86_64__
# error This test is 64-bit only
@@ -31,6 +35,8 @@
static volatile sig_atomic_t want_segv;
static volatile unsigned long segv_addr;
+static unsigned short *shared_scratch;
+
static int nerrs;
static void sethandler(int sig, void (*handler)(int, siginfo_t *, void *),
@@ -71,6 +77,43 @@ static void sigsegv(int sig, siginfo_t *si, void *ctx_void)
}
+static jmp_buf jmpbuf;
+
+static void sigill(int sig, siginfo_t *si, void *ctx_void)
+{
+ siglongjmp(jmpbuf, 1);
+}
+
+static bool have_fsgsbase;
+
+static inline unsigned long rdgsbase(void)
+{
+ unsigned long gsbase;
+
+ asm volatile("rdgsbase %0" : "=r" (gsbase) :: "memory");
+
+ return gsbase;
+}
+
+static inline unsigned long rdfsbase(void)
+{
+ unsigned long fsbase;
+
+ asm volatile("rdfsbase %0" : "=r" (fsbase) :: "memory");
+
+ return fsbase;
+}
+
+static inline void wrgsbase(unsigned long gsbase)
+{
+ asm volatile("wrgsbase %0" :: "r" (gsbase) : "memory");
+}
+
+static inline void wrfsbase(unsigned long fsbase)
+{
+ asm volatile("wrfsbase %0" :: "r" (fsbase) : "memory");
+}
+
enum which_base { FS, GS };
static unsigned long read_base(enum which_base which)
@@ -199,16 +242,13 @@ static void do_remote_base()
to_set, hard_zero ? " and clear gs" : "", sel);
}
-void do_unexpected_base(void)
+static __thread int set_thread_area_entry_number = -1;
+
+static unsigned short load_gs(void)
{
/*
- * The goal here is to try to arrange for GS == 0, GSBASE !=
- * 0, and for the the kernel the think that GSBASE == 0.
- *
- * To make the test as reliable as possible, this uses
- * explicit descriptorss. (This is not the only way. This
- * could use ARCH_SET_GS with a low, nonzero base, but the
- * relevant side effect of ARCH_SET_GS could change.)
+ * Sets GS != 0 and GSBASE != 0 but arranges for the kernel to think
+ * that GSBASE == 0 (i.e. thread.gsbase == 0).
*/
/* Step 1: tell the kernel that we have GSBASE == 0. */
@@ -228,8 +268,9 @@ void do_unexpected_base(void)
.useable = 0
};
if (syscall(SYS_modify_ldt, 1, &desc, sizeof(desc)) == 0) {
- printf("\tother thread: using LDT slot 0\n");
+ printf("\tusing LDT slot 0\n");
asm volatile ("mov %0, %%gs" : : "rm" ((unsigned short)0x7));
+ return 0x7;
} else {
/* No modify_ldt for us (configured out, perhaps) */
@@ -239,7 +280,7 @@ void do_unexpected_base(void)
MAP_PRIVATE | MAP_ANONYMOUS | MAP_32BIT, -1, 0);
memcpy(low_desc, &desc, sizeof(desc));
- low_desc->entry_number = -1;
+ low_desc->entry_number = set_thread_area_entry_number;
/* 32-bit set_thread_area */
long ret;
@@ -251,18 +292,43 @@ void do_unexpected_base(void)
if (ret != 0) {
printf("[NOTE]\tcould not create a segment -- test won't do anything\n");
- return;
+ return 0;
}
- printf("\tother thread: using GDT slot %d\n", desc.entry_number);
- asm volatile ("mov %0, %%gs" : : "rm" ((unsigned short)((desc.entry_number << 3) | 0x3)));
+ printf("\tusing GDT slot %d\n", desc.entry_number);
+ set_thread_area_entry_number = desc.entry_number;
+
+ unsigned short gs = (unsigned short)((desc.entry_number << 3) | 0x3);
+ asm volatile ("mov %0, %%gs" : : "rm" (gs));
+ return gs;
}
+}
- /*
- * Step 3: set the selector back to zero. On AMD chips, this will
- * preserve GSBASE.
- */
+void test_wrbase(unsigned short index, unsigned long base)
+{
+ unsigned short newindex;
+ unsigned long newbase;
- asm volatile ("mov %0, %%gs" : : "rm" ((unsigned short)0));
+ printf("[RUN]\tGS = 0x%hx, GSBASE = 0x%lx\n", index, base);
+
+ asm volatile ("mov %0, %%gs" : : "rm" (index));
+ wrgsbase(base);
+
+ remote_base = 0;
+ ftx = 1;
+ syscall(SYS_futex, &ftx, FUTEX_WAKE, 0, NULL, NULL, 0);
+ while (ftx != 0)
+ syscall(SYS_futex, &ftx, FUTEX_WAIT, 1, NULL, NULL, 0);
+
+ asm volatile ("mov %%gs, %0" : "=rm" (newindex));
+ newbase = rdgsbase();
+
+ if (newindex == index && newbase == base) {
+ printf("[OK]\tIndex and base were preserved\n");
+ } else {
+ printf("[FAIL]\tAfter switch, GS = 0x%hx and GSBASE = 0x%lx\n",
+ newindex, newbase);
+ nerrs++;
+ }
}
static void *threadproc(void *ctx)
@@ -273,12 +339,19 @@ static void *threadproc(void *ctx)
if (ftx == 3)
return NULL;
- if (ftx == 1)
+ if (ftx == 1) {
do_remote_base();
- else if (ftx == 2)
- do_unexpected_base();
- else
+ } else if (ftx == 2) {
+ /*
+ * On AMD chips, this causes GSBASE != 0, GS == 0, and
+ * thread.gsbase == 0.
+ */
+
+ load_gs();
+ asm volatile ("mov %0, %%gs" : : "rm" ((unsigned short)0));
+ } else {
errx(1, "helper thread got bad command");
+ }
ftx = 0;
syscall(SYS_futex, &ftx, FUTEX_WAKE, 0, NULL, NULL, 0);
@@ -367,10 +440,99 @@ static void test_unexpected_base(void)
}
}
+#define USER_REGS_OFFSET(r) offsetof(struct user_regs_struct, r)
+
+static void test_ptrace_write_gsbase(void)
+{
+ int status;
+ pid_t child = fork();
+
+ if (child < 0)
+ err(1, "fork");
+
+ if (child == 0) {
+ printf("[RUN]\tPTRACE_POKE(), write GSBASE from ptracer\n");
+
+ *shared_scratch = load_gs();
+
+ if (ptrace(PTRACE_TRACEME, 0, NULL, NULL) != 0)
+ err(1, "PTRACE_TRACEME");
+
+ raise(SIGTRAP);
+ _exit(0);
+ }
+
+ wait(&status);
+
+ if (WSTOPSIG(status) == SIGTRAP) {
+ unsigned long gs, base;
+ unsigned long gs_offset = USER_REGS_OFFSET(gs);
+ unsigned long base_offset = USER_REGS_OFFSET(gs_base);
+
+ gs = ptrace(PTRACE_PEEKUSER, child, gs_offset, NULL);
+
+ if (gs != *shared_scratch) {
+ nerrs++;
+ printf("[FAIL]\tGS is not prepared with nonzero\n");
+ goto END;
+ }
+
+ if (ptrace(PTRACE_POKEUSER, child, base_offset, 0xFF) != 0)
+ err(1, "PTRACE_POKEUSER");
+
+ gs = ptrace(PTRACE_PEEKUSER, child, gs_offset, NULL);
+ base = ptrace(PTRACE_PEEKUSER, child, base_offset, NULL);
+
+ /*
+ * In a non-FSGSBASE system, the nonzero selector will load
+ * GSBASE (again). But what is tested here is whether the
+ * selector value is changed or not by the GSBASE write in
+ * a ptracer.
+ */
+ if (gs != *shared_scratch) {
+ nerrs++;
+ printf("[FAIL]\tGS changed to %lx\n", gs);
+
+ /*
+ * On older kernels, poking a nonzero value into the
+ * base would zero the selector. On newer kernels,
+ * this behavior has changed -- poking the base
+ * changes only the base and, if FSGSBASE is not
+ * available, this may have no effect.
+ */
+ if (gs == 0)
+ printf("\tNote: this is expected behavior on older kernels.\n");
+ } else if (have_fsgsbase && (base != 0xFF)) {
+ nerrs++;
+ printf("[FAIL]\tGSBASE changed to %lx\n", base);
+ } else {
+ printf("[OK]\tGS remained 0x%hx%s", *shared_scratch, have_fsgsbase ? " and GSBASE changed to 0xFF" : "");
+ printf("\n");
+ }
+ }
+
+END:
+ ptrace(PTRACE_CONT, child, NULL, NULL);
+}
+
int main()
{
pthread_t thread;
+ shared_scratch = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
+ MAP_ANONYMOUS | MAP_SHARED, -1, 0);
+
+ /* Probe FSGSBASE */
+ sethandler(SIGILL, sigill, 0);
+ if (sigsetjmp(jmpbuf, 1) == 0) {
+ rdfsbase();
+ have_fsgsbase = true;
+ printf("\tFSGSBASE instructions are enabled\n");
+ } else {
+ printf("\tFSGSBASE instructions are disabled\n");
+ }
+ clearhandler(SIGILL);
+
sethandler(SIGSEGV, sigsegv, 0);
check_gs_value(0);
@@ -417,11 +579,28 @@ int main()
test_unexpected_base();
+ if (have_fsgsbase) {
+ unsigned short ss;
+
+ asm volatile ("mov %%ss, %0" : "=rm" (ss));
+
+ test_wrbase(0, 0);
+ test_wrbase(0, 1);
+ test_wrbase(0, 0x200000000);
+ test_wrbase(0, 0xffffffffffffffff);
+ test_wrbase(ss, 0);
+ test_wrbase(ss, 1);
+ test_wrbase(ss, 0x200000000);
+ test_wrbase(ss, 0xffffffffffffffff);
+ }
+
ftx = 3; /* Kill the thread. */
syscall(SYS_futex, &ftx, FUTEX_WAKE, 0, NULL, NULL, 0);
if (pthread_join(thread, NULL) != 0)
err(1, "pthread_join");
+ test_ptrace_write_gsbase();
+
return nerrs == 0 ? 0 : 1;
}
diff --git a/tools/testing/selftests/x86/mpx-dig.c b/tools/testing/selftests/x86/mpx-dig.c
index c13607ef5c11..880fbf676968 100644
--- a/tools/testing/selftests/x86/mpx-dig.c
+++ b/tools/testing/selftests/x86/mpx-dig.c
@@ -8,9 +8,7 @@
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
-#include <sys/types.h>
#include <sys/stat.h>
-#include <unistd.h>
#include <sys/mman.h>
#include <string.h>
#include <fcntl.h>
diff --git a/tools/testing/selftests/x86/mpx-mini-test.c b/tools/testing/selftests/x86/mpx-mini-test.c
index bf1bb15b6fbe..23ddd453f362 100644
--- a/tools/testing/selftests/x86/mpx-mini-test.c
+++ b/tools/testing/selftests/x86/mpx-mini-test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* mpx-mini-test.c: routines to test Intel MPX (Memory Protection eXtentions)
*
@@ -5,10 +6,6 @@
* "Ren, Qiaowei" <qiaowei.ren@intel.com>
* "Wei, Gang" <gang.wei@intel.com>
* "Hansen, Dave" <dave.hansen@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2.
*/
/*
diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c
index 5d546dcdbc80..480995bceefa 100644
--- a/tools/testing/selftests/x86/protection_keys.c
+++ b/tools/testing/selftests/x86/protection_keys.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Tests x86 Memory Protection Keys (see Documentation/x86/protection-keys.txt)
+ * Tests x86 Memory Protection Keys (see Documentation/core-api/protection-keys.rst)
*
* There are examples in here of:
* * how to set protection keys on memory
diff --git a/tools/testing/selftests/x86/sigreturn.c b/tools/testing/selftests/x86/sigreturn.c
index 4d9dc3f2fd70..3e49a7873f3e 100644
--- a/tools/testing/selftests/x86/sigreturn.c
+++ b/tools/testing/selftests/x86/sigreturn.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sigreturn.c - tests for x86 sigreturn(2) and exit-to-userspace
* Copyright (c) 2014-2015 Andrew Lutomirski
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* This is a series of tests that exercises the sigreturn(2) syscall and
* the IRET / SYSRET paths in the kernel.
*
diff --git a/tools/testing/selftests/x86/single_step_syscall.c b/tools/testing/selftests/x86/single_step_syscall.c
index ddfdd635de16..50ce6c3dd904 100644
--- a/tools/testing/selftests/x86/single_step_syscall.c
+++ b/tools/testing/selftests/x86/single_step_syscall.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* single_step_syscall.c - single-steps various x86 syscalls
* Copyright (c) 2014-2015 Andrew Lutomirski
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* This is a very simple series of tests that makes system calls with
* the TF flag set. This exercises some nasty kernel code in the
* SYSENTER case: SYSENTER does not clear TF, so SYSENTER with TF set
diff --git a/tools/testing/selftests/x86/syscall_arg_fault.c b/tools/testing/selftests/x86/syscall_arg_fault.c
index 7db4fc9fa09f..bc0ecc2e862e 100644
--- a/tools/testing/selftests/x86/syscall_arg_fault.c
+++ b/tools/testing/selftests/x86/syscall_arg_fault.c
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* syscall_arg_fault.c - tests faults 32-bit fast syscall stack args
* Copyright (c) 2015 Andrew Lutomirski
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#define _GNU_SOURCE
@@ -23,9 +15,30 @@
#include <setjmp.h>
#include <errno.h>
+#ifdef __x86_64__
+# define WIDTH "q"
+#else
+# define WIDTH "l"
+#endif
+
/* Our sigaltstack scratch space. */
static unsigned char altstack_data[SIGSTKSZ];
+static unsigned long get_eflags(void)
+{
+ unsigned long eflags;
+ asm volatile ("pushf" WIDTH "\n\tpop" WIDTH " %0" : "=rm" (eflags));
+ return eflags;
+}
+
+static void set_eflags(unsigned long eflags)
+{
+ asm volatile ("push" WIDTH " %0\n\tpopf" WIDTH
+ : : "rm" (eflags) : "flags");
+}
+
+#define X86_EFLAGS_TF (1UL << 8)
+
static void sethandler(int sig, void (*handler)(int, siginfo_t *, void *),
int flags)
{
@@ -43,13 +56,22 @@ static sigjmp_buf jmpbuf;
static volatile sig_atomic_t n_errs;
-static void sigsegv(int sig, siginfo_t *info, void *ctx_void)
+#ifdef __x86_64__
+#define REG_AX REG_RAX
+#define REG_IP REG_RIP
+#else
+#define REG_AX REG_EAX
+#define REG_IP REG_EIP
+#endif
+
+static void sigsegv_or_sigbus(int sig, siginfo_t *info, void *ctx_void)
{
ucontext_t *ctx = (ucontext_t*)ctx_void;
+ long ax = (long)ctx->uc_mcontext.gregs[REG_AX];
- if (ctx->uc_mcontext.gregs[REG_EAX] != -EFAULT) {
- printf("[FAIL]\tAX had the wrong value: 0x%x\n",
- ctx->uc_mcontext.gregs[REG_EAX]);
+ if (ax != -EFAULT && ax != -ENOSYS) {
+ printf("[FAIL]\tAX had the wrong value: 0x%lx\n",
+ (unsigned long)ax);
n_errs++;
} else {
printf("[OK]\tSeems okay\n");
@@ -58,9 +80,42 @@ static void sigsegv(int sig, siginfo_t *info, void *ctx_void)
siglongjmp(jmpbuf, 1);
}
+static volatile sig_atomic_t sigtrap_consecutive_syscalls;
+
+static void sigtrap(int sig, siginfo_t *info, void *ctx_void)
+{
+ /*
+ * KVM has some bugs that can cause us to stop making progress.
+ * detect them and complain, but don't infinite loop or fail the
+ * test.
+ */
+
+ ucontext_t *ctx = (ucontext_t*)ctx_void;
+ unsigned short *ip = (unsigned short *)ctx->uc_mcontext.gregs[REG_IP];
+
+ if (*ip == 0x340f || *ip == 0x050f) {
+ /* The trap was on SYSCALL or SYSENTER */
+ sigtrap_consecutive_syscalls++;
+ if (sigtrap_consecutive_syscalls > 3) {
+ printf("[WARN]\tGot stuck single-stepping -- you probably have a KVM bug\n");
+ siglongjmp(jmpbuf, 1);
+ }
+ } else {
+ sigtrap_consecutive_syscalls = 0;
+ }
+}
+
static void sigill(int sig, siginfo_t *info, void *ctx_void)
{
- printf("[SKIP]\tIllegal instruction\n");
+ ucontext_t *ctx = (ucontext_t*)ctx_void;
+ unsigned short *ip = (unsigned short *)ctx->uc_mcontext.gregs[REG_IP];
+
+ if (*ip == 0x0b0f) {
+ /* one of the ud2 instructions faulted */
+ printf("[OK]\tSYSCALL returned normally\n");
+ } else {
+ printf("[SKIP]\tIllegal instruction\n");
+ }
siglongjmp(jmpbuf, 1);
}
@@ -73,7 +128,13 @@ int main()
if (sigaltstack(&stack, NULL) != 0)
err(1, "sigaltstack");
- sethandler(SIGSEGV, sigsegv, SA_ONSTACK);
+ sethandler(SIGSEGV, sigsegv_or_sigbus, SA_ONSTACK);
+ /*
+ * The actual exception can vary. On Atom CPUs, we get #SS
+ * instead of #PF when the vDSO fails to access the stack when
+ * ESP is too close to 2^32, and #SS causes SIGBUS.
+ */
+ sethandler(SIGBUS, sigsegv_or_sigbus, SA_ONSTACK);
sethandler(SIGILL, sigill, SA_ONSTACK);
/*
@@ -122,9 +183,48 @@ int main()
"movl $-1, %%ebp\n\t"
"movl $-1, %%esp\n\t"
"syscall\n\t"
- "pushl $0" /* make sure we segfault cleanly */
+ "ud2" /* make sure we recover cleanly */
+ : : : "memory", "flags");
+ }
+
+ printf("[RUN]\tSYSENTER with TF and invalid state\n");
+ sethandler(SIGTRAP, sigtrap, SA_ONSTACK);
+
+ if (sigsetjmp(jmpbuf, 1) == 0) {
+ sigtrap_consecutive_syscalls = 0;
+ set_eflags(get_eflags() | X86_EFLAGS_TF);
+ asm volatile (
+ "movl $-1, %%eax\n\t"
+ "movl $-1, %%ebx\n\t"
+ "movl $-1, %%ecx\n\t"
+ "movl $-1, %%edx\n\t"
+ "movl $-1, %%esi\n\t"
+ "movl $-1, %%edi\n\t"
+ "movl $-1, %%ebp\n\t"
+ "movl $-1, %%esp\n\t"
+ "sysenter"
+ : : : "memory", "flags");
+ }
+ set_eflags(get_eflags() & ~X86_EFLAGS_TF);
+
+ printf("[RUN]\tSYSCALL with TF and invalid state\n");
+ if (sigsetjmp(jmpbuf, 1) == 0) {
+ sigtrap_consecutive_syscalls = 0;
+ set_eflags(get_eflags() | X86_EFLAGS_TF);
+ asm volatile (
+ "movl $-1, %%eax\n\t"
+ "movl $-1, %%ebx\n\t"
+ "movl $-1, %%ecx\n\t"
+ "movl $-1, %%edx\n\t"
+ "movl $-1, %%esi\n\t"
+ "movl $-1, %%edi\n\t"
+ "movl $-1, %%ebp\n\t"
+ "movl $-1, %%esp\n\t"
+ "syscall\n\t"
+ "ud2" /* make sure we recover cleanly */
: : : "memory", "flags");
}
+ set_eflags(get_eflags() & ~X86_EFLAGS_TF);
return 0;
}
diff --git a/tools/testing/selftests/x86/syscall_nt.c b/tools/testing/selftests/x86/syscall_nt.c
index 43fcab367fb0..02309a195041 100644
--- a/tools/testing/selftests/x86/syscall_nt.c
+++ b/tools/testing/selftests/x86/syscall_nt.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* syscall_nt.c - checks syscalls with NT set
* Copyright (c) 2014-2015 Andrew Lutomirski
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* Some obscure user-space code requires the ability to make system calls
* with FLAGS.NT set. Make sure it works.
*/
diff --git a/tools/testing/selftests/x86/sysret_rip.c b/tools/testing/selftests/x86/sysret_rip.c
index d85ec5b3671c..84d74be1d902 100644
--- a/tools/testing/selftests/x86/sysret_rip.c
+++ b/tools/testing/selftests/x86/sysret_rip.c
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sigreturn.c - tests that x86 avoids Intel SYSRET pitfalls
* Copyright (c) 2014-2016 Andrew Lutomirski
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#define _GNU_SOURCE
diff --git a/tools/testing/selftests/x86/sysret_ss_attrs.c b/tools/testing/selftests/x86/sysret_ss_attrs.c
index ce42d5a64009..5f3d4fca440f 100644
--- a/tools/testing/selftests/x86/sysret_ss_attrs.c
+++ b/tools/testing/selftests/x86/sysret_ss_attrs.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sysret_ss_attrs.c - test that syscalls return valid hidden SS attributes
* Copyright (c) 2015 Andrew Lutomirski
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* On AMD CPUs, SYSRET can return with a valid SS descriptor with with
* the hidden attributes set to an unusable state. Make sure the kernel
* doesn't let this happen.
diff --git a/tools/testing/selftests/x86/test_mremap_vdso.c b/tools/testing/selftests/x86/test_mremap_vdso.c
index 64f11c8d9b76..f0d876d48277 100644
--- a/tools/testing/selftests/x86/test_mremap_vdso.c
+++ b/tools/testing/selftests/x86/test_mremap_vdso.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* 32-bit test to check vDSO mremap.
*
* Copyright (c) 2016 Dmitry Safonov
* Suggested-by: Andrew Lutomirski
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Can be built statically:
diff --git a/tools/testing/selftests/x86/test_syscall_vdso.c b/tools/testing/selftests/x86/test_syscall_vdso.c
index c9c3281077bc..8965c311bd65 100644
--- a/tools/testing/selftests/x86/test_syscall_vdso.c
+++ b/tools/testing/selftests/x86/test_syscall_vdso.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* 32-bit syscall ABI conformance test.
*
* Copyright (c) 2015 Denys Vlasenko
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Can be built statically:
diff --git a/tools/testing/selftests/x86/test_vsyscall.c b/tools/testing/selftests/x86/test_vsyscall.c
index 0b4f1cc2291c..4602326b8f5b 100644
--- a/tools/testing/selftests/x86/test_vsyscall.c
+++ b/tools/testing/selftests/x86/test_vsyscall.c
@@ -18,6 +18,7 @@
#include <sched.h>
#include <stdbool.h>
#include <setjmp.h>
+#include <sys/uio.h>
#ifdef __x86_64__
# define VSYS(x) (x)
@@ -49,21 +50,21 @@ static void sethandler(int sig, void (*handler)(int, siginfo_t *, void *),
}
/* vsyscalls and vDSO */
-bool should_read_vsyscall = false;
+bool vsyscall_map_r = false, vsyscall_map_x = false;
typedef long (*gtod_t)(struct timeval *tv, struct timezone *tz);
-gtod_t vgtod = (gtod_t)VSYS(0xffffffffff600000);
+const gtod_t vgtod = (gtod_t)VSYS(0xffffffffff600000);
gtod_t vdso_gtod;
typedef int (*vgettime_t)(clockid_t, struct timespec *);
vgettime_t vdso_gettime;
typedef long (*time_func_t)(time_t *t);
-time_func_t vtime = (time_func_t)VSYS(0xffffffffff600400);
+const time_func_t vtime = (time_func_t)VSYS(0xffffffffff600400);
time_func_t vdso_time;
typedef long (*getcpu_t)(unsigned *, unsigned *, void *);
-getcpu_t vgetcpu = (getcpu_t)VSYS(0xffffffffff600800);
+const getcpu_t vgetcpu = (getcpu_t)VSYS(0xffffffffff600800);
getcpu_t vdso_getcpu;
static void init_vdso(void)
@@ -107,7 +108,7 @@ static int init_vsys(void)
maps = fopen("/proc/self/maps", "r");
if (!maps) {
printf("[WARN]\tCould not open /proc/self/maps -- assuming vsyscall is r-x\n");
- should_read_vsyscall = true;
+ vsyscall_map_r = true;
return 0;
}
@@ -133,12 +134,8 @@ static int init_vsys(void)
}
printf("\tvsyscall permissions are %c-%c\n", r, x);
- should_read_vsyscall = (r == 'r');
- if (x != 'x') {
- vgtod = NULL;
- vtime = NULL;
- vgetcpu = NULL;
- }
+ vsyscall_map_r = (r == 'r');
+ vsyscall_map_x = (x == 'x');
found = true;
break;
@@ -148,10 +145,8 @@ static int init_vsys(void)
if (!found) {
printf("\tno vsyscall map in /proc/self/maps\n");
- should_read_vsyscall = false;
- vgtod = NULL;
- vtime = NULL;
- vgetcpu = NULL;
+ vsyscall_map_r = false;
+ vsyscall_map_x = false;
}
return nerrs;
@@ -183,9 +178,13 @@ static inline long sys_getcpu(unsigned * cpu, unsigned * node,
}
static jmp_buf jmpbuf;
+static volatile unsigned long segv_err;
static void sigsegv(int sig, siginfo_t *info, void *ctx_void)
{
+ ucontext_t *ctx = (ucontext_t *)ctx_void;
+
+ segv_err = ctx->uc_mcontext.gregs[REG_ERR];
siglongjmp(jmpbuf, 1);
}
@@ -238,7 +237,7 @@ static int test_gtod(void)
err(1, "syscall gettimeofday");
if (vdso_gtod)
ret_vdso = vdso_gtod(&tv_vdso, &tz_vdso);
- if (vgtod)
+ if (vsyscall_map_x)
ret_vsys = vgtod(&tv_vsys, &tz_vsys);
if (sys_gtod(&tv_sys2, &tz_sys) != 0)
err(1, "syscall gettimeofday");
@@ -252,7 +251,7 @@ static int test_gtod(void)
}
}
- if (vgtod) {
+ if (vsyscall_map_x) {
if (ret_vsys == 0) {
nerrs += check_gtod(&tv_sys1, &tv_sys2, &tz_sys, "vsyscall", &tv_vsys, &tz_vsys);
} else {
@@ -273,7 +272,7 @@ static int test_time(void) {
t_sys1 = sys_time(&t2_sys1);
if (vdso_time)
t_vdso = vdso_time(&t2_vdso);
- if (vtime)
+ if (vsyscall_map_x)
t_vsys = vtime(&t2_vsys);
t_sys2 = sys_time(&t2_sys2);
if (t_sys1 < 0 || t_sys1 != t2_sys1 || t_sys2 < 0 || t_sys2 != t2_sys2) {
@@ -294,7 +293,7 @@ static int test_time(void) {
}
}
- if (vtime) {
+ if (vsyscall_map_x) {
if (t_vsys < 0 || t_vsys != t2_vsys) {
printf("[FAIL]\tvsyscall failed (ret:%ld output:%ld)\n", t_vsys, t2_vsys);
nerrs++;
@@ -330,7 +329,7 @@ static int test_getcpu(int cpu)
ret_sys = sys_getcpu(&cpu_sys, &node_sys, 0);
if (vdso_getcpu)
ret_vdso = vdso_getcpu(&cpu_vdso, &node_vdso, 0);
- if (vgetcpu)
+ if (vsyscall_map_x)
ret_vsys = vgetcpu(&cpu_vsys, &node_vsys, 0);
if (ret_sys == 0) {
@@ -369,7 +368,7 @@ static int test_getcpu(int cpu)
}
}
- if (vgetcpu) {
+ if (vsyscall_map_x) {
if (ret_vsys) {
printf("[FAIL]\tvsyscall getcpu() failed\n");
nerrs++;
@@ -410,20 +409,88 @@ static int test_vsys_r(void)
can_read = false;
}
- if (can_read && !should_read_vsyscall) {
+ if (can_read && !vsyscall_map_r) {
printf("[FAIL]\tWe have read access, but we shouldn't\n");
return 1;
- } else if (!can_read && should_read_vsyscall) {
+ } else if (!can_read && vsyscall_map_r) {
printf("[FAIL]\tWe don't have read access, but we should\n");
return 1;
+ } else if (can_read) {
+ printf("[OK]\tWe have read access\n");
} else {
- printf("[OK]\tgot expected result\n");
+ printf("[OK]\tWe do not have read access: #PF(0x%lx)\n",
+ segv_err);
}
#endif
return 0;
}
+static int test_vsys_x(void)
+{
+#ifdef __x86_64__
+ if (vsyscall_map_x) {
+ /* We already tested this adequately. */
+ return 0;
+ }
+
+ printf("[RUN]\tMake sure that vsyscalls really page fault\n");
+
+ bool can_exec;
+ if (sigsetjmp(jmpbuf, 1) == 0) {
+ vgtod(NULL, NULL);
+ can_exec = true;
+ } else {
+ can_exec = false;
+ }
+
+ if (can_exec) {
+ printf("[FAIL]\tExecuting the vsyscall did not page fault\n");
+ return 1;
+ } else if (segv_err & (1 << 4)) { /* INSTR */
+ printf("[OK]\tExecuting the vsyscall page failed: #PF(0x%lx)\n",
+ segv_err);
+ } else {
+ printf("[FAILT]\tExecution failed with the wrong error: #PF(0x%lx)\n",
+ segv_err);
+ return 1;
+ }
+#endif
+
+ return 0;
+}
+
+static int test_process_vm_readv(void)
+{
+#ifdef __x86_64__
+ char buf[4096];
+ struct iovec local, remote;
+ int ret;
+
+ printf("[RUN]\tprocess_vm_readv() from vsyscall page\n");
+
+ local.iov_base = buf;
+ local.iov_len = 4096;
+ remote.iov_base = (void *)0xffffffffff600000;
+ remote.iov_len = 4096;
+ ret = process_vm_readv(getpid(), &local, 1, &remote, 1, 0);
+ if (ret != 4096) {
+ printf("[OK]\tprocess_vm_readv() failed (ret = %d, errno = %d)\n", ret, errno);
+ return 0;
+ }
+
+ if (vsyscall_map_r) {
+ if (!memcmp(buf, (const void *)0xffffffffff600000, 4096)) {
+ printf("[OK]\tIt worked and read correct data\n");
+ } else {
+ printf("[FAIL]\tIt worked but returned incorrect data\n");
+ return 1;
+ }
+ }
+#endif
+
+ return 0;
+}
#ifdef __x86_64__
#define X86_EFLAGS_TF (1UL << 8)
@@ -455,7 +522,7 @@ static int test_emulation(void)
time_t tmp;
bool is_native;
- if (!vtime)
+ if (!vsyscall_map_x)
return 0;
printf("[RUN]\tchecking that vsyscalls are emulated\n");
@@ -497,6 +564,9 @@ int main(int argc, char **argv)
sethandler(SIGSEGV, sigsegv, 0);
nerrs += test_vsys_r();
+ nerrs += test_vsys_x();
+
+ nerrs += test_process_vm_readv();
#ifdef __x86_64__
nerrs += test_emulation();
diff --git a/tools/testing/selftests/x86/thunks.S b/tools/testing/selftests/x86/thunks.S
index ce8a995bbb17..1bb5d62c16a4 100644
--- a/tools/testing/selftests/x86/thunks.S
+++ b/tools/testing/selftests/x86/thunks.S
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* thunks.S - assembly helpers for mixed-bitness code
* Copyright (c) 2015 Andrew Lutomirski
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* These are little helpers that make it easier to switch bitness on
* the fly.
*/
diff --git a/tools/testing/selftests/x86/thunks_32.S b/tools/testing/selftests/x86/thunks_32.S
index 29b644bb9f2f..a71d92da8f46 100644
--- a/tools/testing/selftests/x86/thunks_32.S
+++ b/tools/testing/selftests/x86/thunks_32.S
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* thunks_32.S - assembly helpers for mixed-bitness code
* Copyright (c) 2015 Denys Vlasenko
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* These are little helpers that make it easier to switch bitness on
* the fly.
*/
diff --git a/tools/testing/selftests/x86/trivial_32bit_program.c b/tools/testing/selftests/x86/trivial_32bit_program.c
index fabdf0f51621..aa1f58c2f71c 100644
--- a/tools/testing/selftests/x86/trivial_32bit_program.c
+++ b/tools/testing/selftests/x86/trivial_32bit_program.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Trivial program to check that we have a valid 32-bit build environment.
* Copyright (c) 2015 Andy Lutomirski
- * GPL v2
*/
#ifndef __i386__
diff --git a/tools/testing/selftests/x86/trivial_64bit_program.c b/tools/testing/selftests/x86/trivial_64bit_program.c
index 05c6a41b3671..39f4b84fbf15 100644
--- a/tools/testing/selftests/x86/trivial_64bit_program.c
+++ b/tools/testing/selftests/x86/trivial_64bit_program.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Trivial program to check that we have a valid 64-bit build environment.
* Copyright (c) 2015 Andy Lutomirski
- * GPL v2
*/
#ifndef __x86_64__
diff --git a/tools/testing/selftests/x86/unwind_vdso.c b/tools/testing/selftests/x86/unwind_vdso.c
index 97311333700e..0075ccd65407 100644
--- a/tools/testing/selftests/x86/unwind_vdso.c
+++ b/tools/testing/selftests/x86/unwind_vdso.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* unwind_vdso.c - tests unwind info for AT_SYSINFO in the vDSO
* Copyright (c) 2014-2015 Andrew Lutomirski
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* This tests __kernel_vsyscall's unwind info.
*/
diff --git a/tools/testing/selftests/x86/vdso_restorer.c b/tools/testing/selftests/x86/vdso_restorer.c
index cb038424a403..29a5c94c4b50 100644
--- a/tools/testing/selftests/x86/vdso_restorer.c
+++ b/tools/testing/selftests/x86/vdso_restorer.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* vdso_restorer.c - tests vDSO-based signal restore
* Copyright (c) 2015 Andrew Lutomirski
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* This makes sure that sa_restorer == NULL keeps working on 32-bit
* configurations. Modern glibc doesn't use it under any circumstances,
* so it's easy to overlook breakage.
diff --git a/tools/testing/selftests/zram/README b/tools/testing/selftests/zram/README
index 7972cc512408..110b34834a6f 100644
--- a/tools/testing/selftests/zram/README
+++ b/tools/testing/selftests/zram/README
@@ -37,4 +37,4 @@ Commands required for testing:
- mkfs/ mkfs.ext4
For more information please refer:
-kernel-source-tree/Documentation/blockdev/zram.txt
+kernel-source-tree/Documentation/admin-guide/blockdev/zram.rst
diff --git a/tools/testing/selftests/zram/zram01.sh b/tools/testing/selftests/zram/zram01.sh
index b9566a6478a9..114863d9fb87 100755
--- a/tools/testing/selftests/zram/zram01.sh
+++ b/tools/testing/selftests/zram/zram01.sh
@@ -1,16 +1,7 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it would be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
# Test creates several zram devices with different filesystems on them.
# It fills each device with zeros and checks that compression works.
#
diff --git a/tools/testing/selftests/zram/zram02.sh b/tools/testing/selftests/zram/zram02.sh
index 74569b883737..e83b404807c0 100755
--- a/tools/testing/selftests/zram/zram02.sh
+++ b/tools/testing/selftests/zram/zram02.sh
@@ -1,16 +1,7 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it would be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
# Test checks that we can create swap zram device.
#
# Author: Alexey Kodanev <alexey.kodanev@oracle.com>
diff --git a/tools/testing/selftests/zram/zram_lib.sh b/tools/testing/selftests/zram/zram_lib.sh
index 9e73a4fb9b0a..6f872f266fd1 100755
--- a/tools/testing/selftests/zram/zram_lib.sh
+++ b/tools/testing/selftests/zram/zram_lib.sh
@@ -1,16 +1,7 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it would be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
# Author: Alexey Kodanev <alexey.kodanev@oracle.com>
# Modified: Naresh Kamboju <naresh.kamboju@linaro.org>
diff --git a/tools/testing/vsock/Makefile b/tools/testing/vsock/Makefile
index 66ba0924194d..5be687b1e16c 100644
--- a/tools/testing/vsock/Makefile
+++ b/tools/testing/vsock/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
all: test
test: vsock_diag_test
vsock_diag_test: vsock_diag_test.o timeout.o control.o
diff --git a/tools/testing/vsock/control.c b/tools/testing/vsock/control.c
index 90fd47f0e422..45f328c6ff23 100644
--- a/tools/testing/vsock/control.c
+++ b/tools/testing/vsock/control.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Control socket for client/server test execution
*
* Copyright (C) 2017 Red Hat, Inc.
*
* Author: Stefan Hajnoczi <stefanha@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; version 2
- * of the License.
*/
/* The client and server may need to coordinate to avoid race conditions like
diff --git a/tools/testing/vsock/timeout.c b/tools/testing/vsock/timeout.c
index c49b3003b2db..44aee49b6cee 100644
--- a/tools/testing/vsock/timeout.c
+++ b/tools/testing/vsock/timeout.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Timeout API for single-threaded programs that use blocking
* syscalls (read/write/send/recv/connect/accept).
*
* Copyright (C) 2017 Red Hat, Inc.
*
* Author: Stefan Hajnoczi <stefanha@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; version 2
- * of the License.
*/
/* Use the following pattern:
diff --git a/tools/testing/vsock/vsock_diag_test.c b/tools/testing/vsock/vsock_diag_test.c
index e896a4af52f4..c481101364a4 100644
--- a/tools/testing/vsock/vsock_diag_test.c
+++ b/tools/testing/vsock/vsock_diag_test.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* vsock_diag_test - vsock_diag.ko test suite
*
* Copyright (C) 2017 Red Hat, Inc.
*
* Author: Stefan Hajnoczi <stefanha@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; version 2
- * of the License.
*/
#include <getopt.h>