On Sun, Dec 8, 2019 at 4:03 PM Alexei Starovoitov <ast@xxxxxxxxxx> wrote: > > Depending on type of BPF programs served by BPF trampoline it can call original > function. In such case the trampoline will skip one stack frame while > returning. That will confuse function_graph tracer and will cause crashes with > bad RIP. Teach graph tracer to skip functions that have BPF trampoline attached. > > Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx> Steven, please take a look.