On Wed, Oct 30, 2019 at 04:30:19PM -0700, Alexei Starovoitov wrote:
> Jiri reported crash when JIT is on, but net.core.bpf_jit_kallsyms is off.
> bpf_prog_kallsyms_find() was skipping addr->bpf_prog resolution
> logic in oops and stack traces. That's incorrect.
> It should only skip addr->name resolution for 'cat /proc/kallsyms'.
> That's what bpf_jit_kallsyms and bpf_jit_harden protect.
>
> Reported-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx>
> Fixes: 3dec541b2e63 ("bpf: Add support for BTF pointers to x86 JIT")
ACK makes sense, applied, thanks!
