diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-01-25 15:24:44 -0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2019-01-27 21:37:45 -0800 |
| commit | 48729226238d4d56bdb8de9d54b911f179dd54b7 (patch) | |
| tree | e90c7ee9b0cdb7eb51de8544f2ee80ddc4715aae /tools/testing/selftests/bpf/verifier/dead_code.c | |
| parent | selftests: bpf: break up test_verifier (diff) | |
| download | wireguard-linux-48729226238d4d56bdb8de9d54b911f179dd54b7.tar.xz wireguard-linux-48729226238d4d56bdb8de9d54b911f179dd54b7.zip | |
selftests: bpf: break up the rest of test_verifier
Break up the rest of test_verifier tests into separate
files.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/dead_code.c')
| -rw-r--r-- | tools/testing/selftests/bpf/verifier/dead_code.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/dead_code.c b/tools/testing/selftests/bpf/verifier/dead_code.c new file mode 100644 index 000000000000..50a8a63be4ac --- /dev/null +++ b/tools/testing/selftests/bpf/verifier/dead_code.c @@ -0,0 +1,159 @@ +{ + "dead code: start", + .insns = { + BPF_JMP_IMM(BPF_JA, 0, 0, 2), + BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0), + BPF_JMP_IMM(BPF_JA, 0, 0, 2), + BPF_MOV64_IMM(BPF_REG_0, 7), + BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, -4), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 7, +}, +{ + "dead code: mid 1", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 7), + BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1), + BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 7, +}, +{ + "dead code: mid 2", + .insns = { + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32), + BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 4), + BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 2), + BPF_MOV64_IMM(BPF_REG_0, 7), + BPF_EXIT_INSN(), + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 1, +}, +{ + "dead code: end 1", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 7), + BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1), + BPF_EXIT_INSN(), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 7, +}, +{ + "dead code: end 2", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 7), + BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1), + BPF_EXIT_INSN(), + BPF_MOV64_IMM(BPF_REG_0, 12), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 7, +}, +{ + "dead code: end 3", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 7), + BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 8, 1), + BPF_EXIT_INSN(), + BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_MOV64_IMM(BPF_REG_0, 12), + BPF_JMP_IMM(BPF_JA, 0, 0, -5), + }, + .result = ACCEPT, + .retval = 7, +}, +{ + "dead code: tail of main + func", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 7), + BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 8, 1), + BPF_EXIT_INSN(), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_IMM(BPF_REG_0, 12), + BPF_EXIT_INSN(), + }, + .errstr_unpriv = "function calls to other bpf functions are allowed for root only", + .result_unpriv = REJECT, + .result = ACCEPT, + .retval = 7, +}, +{ + "dead code: tail of main + two functions", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 7), + BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 8, 1), + BPF_EXIT_INSN(), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1), + BPF_EXIT_INSN(), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_IMM(BPF_REG_0, 12), + BPF_EXIT_INSN(), + }, + .errstr_unpriv = "function calls to other bpf functions are allowed for root only", + .result_unpriv = REJECT, + .result = ACCEPT, + .retval = 7, +}, +{ + "dead code: function in the middle and mid of another func", + .insns = { + BPF_MOV64_IMM(BPF_REG_1, 7), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3), + BPF_EXIT_INSN(), + BPF_MOV64_IMM(BPF_REG_0, 12), + BPF_EXIT_INSN(), + BPF_MOV64_IMM(BPF_REG_0, 7), + BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 7, 1), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -5), + BPF_EXIT_INSN(), + }, + .errstr_unpriv = "function calls to other bpf functions are allowed for root only", + .result_unpriv = REJECT, + .result = ACCEPT, + .retval = 7, +}, +{ + "dead code: middle of main before call", + .insns = { + BPF_MOV64_IMM(BPF_REG_1, 2), + BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 2, 1), + BPF_MOV64_IMM(BPF_REG_1, 5), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1), + BPF_EXIT_INSN(), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .errstr_unpriv = "function calls to other bpf functions are allowed for root only", + .result_unpriv = REJECT, + .result = ACCEPT, + .retval = 2, +}, +{ + "dead code: start of a function", + .insns = { + BPF_MOV64_IMM(BPF_REG_1, 2), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1), + BPF_EXIT_INSN(), + BPF_JMP_IMM(BPF_JA, 0, 0, 0), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .errstr_unpriv = "function calls to other bpf functions are allowed for root only", + .result_unpriv = REJECT, + .result = ACCEPT, + .retval = 2, +}, |