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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/selftests/bpf/verifier/const_or.c | |
| parent | Initial commit. (diff) | |
| download | linux-upstream.tar.xz linux-upstream.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/const_or.c')
| -rw-r--r-- | tools/testing/selftests/bpf/verifier/const_or.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/const_or.c b/tools/testing/selftests/bpf/verifier/const_or.c new file mode 100644 index 000000000..0719b0dde --- /dev/null +++ b/tools/testing/selftests/bpf/verifier/const_or.c @@ -0,0 +1,60 @@ +{ + "constant register |= constant should keep constant type", + .insns = { + BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48), + BPF_MOV64_IMM(BPF_REG_2, 34), + BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13), + BPF_MOV64_IMM(BPF_REG_3, 0), + BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel), + 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_kernel), + BPF_EXIT_INSN(), + }, + .errstr = "invalid indirect access to stack R1 off=-48 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_kernel), + 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_kernel), + BPF_EXIT_INSN(), + }, + .errstr = "invalid indirect access to stack R1 off=-48 size=58", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_TRACEPOINT, +}, |