From: Alexei Starovoitov <a...@plumgrid.com>
Date: Tue,  8 Sep 2015 13:40:01 -0700

> when the verifier log is enabled the print_bpf_insn() is doing
> bpf_alu_string[BPF_OP(insn->code) >> 4]
> and
> bpf_jmp_string[BPF_OP(insn->code) >> 4]
> where BPF_OP is a 4-bit instruction opcode.
> Malformed insns can cause out of bounds access.
> Fix it by sizing arrays appropriately.
> 
> The bug was found by clang address sanitizer with libfuzzer.
> 
> Reported-by: Yonghong Song <y...@plumgrid.com>
> Signed-off-by: Alexei Starovoitov <a...@plumgrid.com>

Applied, thanks.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to