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| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-01-26 02:24:43 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2019-01-28 08:37:45 +0300 |
| commit | 40f2fbd5a5e9c6d0799632fcba174a7b45c471da (patch) | |
| tree | a2a70957c9a979dc1f6d82eada377f9402865f5f /tools/testing/selftests/bpf/verifier/and.c | |
| parent | 2dfb40121ee83139909e4e17d414eee87897bb8e (diff) | |
| download | linux-40f2fbd5a5e9c6d0799632fcba174a7b45c471da.tar.xz | |
selftests: bpf: break up test_verifier
Break up the first 10 kLoC of test verifier test cases
out into smaller files. Looks like git line counting
gets a little flismy above 16 bit integers, so we need
two commits to break up test_verifier.
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/and.c')
| -rw-r--r-- | tools/testing/selftests/bpf/verifier/and.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/and.c b/tools/testing/selftests/bpf/verifier/and.c new file mode 100644 index 000000000000..e0fad1548737 --- /dev/null +++ b/tools/testing/selftests/bpf/verifier/and.c @@ -0,0 +1,50 @@ +{ + "invalid and of negative number", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), + BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0), + BPF_ALU64_IMM(BPF_AND, BPF_REG_1, -4), + BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), + BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_48b = { 3 }, + .errstr = "R0 max value is outside of the array range", + .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "invalid range check", + .insns = { + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 12), + BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), + BPF_MOV64_IMM(BPF_REG_9, 1), + BPF_ALU32_IMM(BPF_MOD, BPF_REG_1, 2), + BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 1), + BPF_ALU32_REG(BPF_AND, BPF_REG_9, BPF_REG_1), + BPF_ALU32_IMM(BPF_ADD, BPF_REG_9, 1), + BPF_ALU32_IMM(BPF_RSH, BPF_REG_9, 1), + BPF_MOV32_IMM(BPF_REG_3, 1), + BPF_ALU32_REG(BPF_SUB, BPF_REG_3, BPF_REG_9), + BPF_ALU32_IMM(BPF_MUL, BPF_REG_3, 0x10000000), + BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3), + BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_3, 0), + BPF_MOV64_REG(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map_hash_48b = { 3 }, + .errstr = "R0 max value is outside of the array range", + .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, |