On 12/19/18 1:01 PM, Martin KaFai Lau wrote: > This series ensures the line_info (passed by the userspace during > bpf_prog_load) cannot have its line_info.insn_off pointing to a > zero bpf insn code. F.e. a broken userspace tool might > generate a line_info.insn_off that points to the second > 8 bytes of a BPF_LD_IMM64. > > The first patch is the kernel change. > The second patch is a new test case. > > Martin KaFai Lau (2): > bpf: Ensure line_info.insn_off cannot point to insn with zero code > bpf: Add BPF_LD_IMM64 to the line_info test > > kernel/bpf/verifier.c | 8 ++++++++ > tools/testing/selftests/bpf/test_btf.c | 27 ++++++++++++++++++++++++++ > 2 files changed, 35 insertions(+)
Looks good to me. For the whole series, Acked-by: Yonghong Song <y...@fb.com>
