diff options
Diffstat (limited to 'tools/testing/selftests/bpf/test_verifier.c')
| -rw-r--r-- | tools/testing/selftests/bpf/test_verifier.c | 15575 |
1 files changed, 183 insertions, 15392 deletions
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index 2fd90d456892..477a9dcf9fff 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -32,8 +32,10 @@ #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" @@ -49,7 +51,7 @@ #define MAX_INSNS BPF_MAXINSNS #define MAX_FIXUPS 8 -#define MAX_NR_MAPS 13 +#define MAX_NR_MAPS 14 #define MAX_TEST_RUNS 8 #define POINTER_VALUE 0xcafe4all #define TEST_DATA_LEN 64 @@ -59,6 +61,7 @@ #define UNPRIV_SYSCTL "kernel/unprivileged_bpf_disabled" static bool unpriv_disabled = false; +static int skips; struct bpf_test { const char *descr; @@ -76,6 +79,7 @@ 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]; const char *errstr; const char *errstr_unpriv; uint32_t retval, retval_unpriv, insn_processed; @@ -211,15394 +215,46 @@ static void bpf_fill_rand_ld_dw(struct bpf_test *self) 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(), - - /* 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) @@ -15611,6 +267,16 @@ static int probe_filter_length(const struct bpf_insn *fp) return len + 1; } +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) { @@ -15618,8 +284,11 @@ static int create_map(uint32_t type, uint32_t size_key, fd = bpf_create_map(type, size_key, size_value, max_elem, type == BPF_MAP_TYPE_HASH ? BPF_F_NO_PREALLOC : 0); - if (fd < 0) + if (fd < 0) { + if (skip_unsupported_map(type)) + return -1; printf("Failed to create hash map '%s'!\n", strerror(errno)); + } return fd; } @@ -15669,6 +338,8 @@ 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 +370,20 @@ 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 +398,105 @@ 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; +} + +#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_MEMBER_ENC(name, type, bits_offset) \ + (name), (type), (bits_offset) + +struct btf_raw_data { + __u32 raw_types[64]; + const char *str_sec; + __u32 str_sec_size; +}; + +/* 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; } @@ -15747,6 +518,7 @@ 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; + int *fixup_map_spin_lock = test->fixup_map_spin_lock; if (test->fill_helper) test->fill_helper(test); @@ -15863,6 +635,13 @@ 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); + } } static int set_admin(bool admin) @@ -15928,6 +707,7 @@ static void do_test_single(struct bpf_test *test, bool unpriv, int run_errs, run_successes; int map_fds[MAX_NR_MAPS]; const char *expected_err; + int fixup_skips; __u32 pflags; int i, err; @@ -15936,7 +716,13 @@ 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); + /* If there were some map skips during fixup due to missing bpf + * features, skip this test. + */ + if (fixup_skips != skips) + return; prog_len = probe_filter_length(prog); pflags = 0; @@ -15946,6 +732,11 @@ static void do_test_single(struct bpf_test *test, bool unpriv, pflags |= BPF_F_ANY_ALIGNMENT; fd_prog = bpf_verify_program(prog_type, prog, prog_len, pflags, "GPL", 0, bpf_vlog, sizeof(bpf_vlog), 1); + 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; @@ -16099,7 +890,7 @@ 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]; |