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| author | Ingo Molnar <mingo@kernel.org> | 2022-09-21 09:58:02 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2022-09-21 09:58:02 +0200 |
| commit | 74656d03ac36fabb16b9df5221cf398ee3a9ca08 (patch) | |
| tree | 0600e619ac817e2c016c148810814f55280316cc /tools/testing/selftests/bpf/verifier/precise.c | |
| parent | 0d97db026509c1a13f732b22670ab1f0ac9d8d87 (diff) | |
| parent | 521a547ced6477c54b4b0cc206000406c221b4d6 (diff) | |
Merge tag 'v6.0-rc6' into locking/core, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/precise.c')
| -rw-r--r-- | tools/testing/selftests/bpf/verifier/precise.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/precise.c b/tools/testing/selftests/bpf/verifier/precise.c index 9e754423fa8b..6c03a7d805f9 100644 --- a/tools/testing/selftests/bpf/verifier/precise.c +++ b/tools/testing/selftests/bpf/verifier/precise.c @@ -192,3 +192,28 @@ .result = VERBOSE_ACCEPT, .retval = -1, }, +{ + "precise: mark_chain_precision for ARG_CONST_ALLOC_SIZE_OR_ZERO", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, ingress_ifindex)), + BPF_LD_MAP_FD(BPF_REG_6, 0), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_MOV64_IMM(BPF_REG_2, 1), + BPF_MOV64_IMM(BPF_REG_3, 0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 0, 1), + BPF_MOV64_IMM(BPF_REG_2, 0x1000), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve), + 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_DW, BPF_REG_2, BPF_REG_0, 42), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map_ringbuf = { 1 }, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = BPF_F_TEST_STATE_FREQ, + .errstr = "invalid access to memory, mem_size=1 off=42 size=8", + .result = REJECT, +}, |