Re: next-20250605: Test regression: qemu-x86_64-compat mode ltp tracing Oops int3 kernel panic

[Google]

On Fri, 13 Jun 2025 17:27:53 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> In do_int3(), if we hit a disappeared int3, it is evacuated after
> all. This means kprobe_int3_handler() is hit, and call get_kprobe()
> to find the corresponding kprobes. But,
> 
> ffffffff8150a040 <get_kprobe>:
> ffffffff8150a040:       f3 0f 1e fa             endbr64
> ffffffff8150a044:       e8 07 b0 e2 ff          call   ffffffff81335050 <__fentry__>
> ffffffff8150a049:       48 b8 eb 83 b5 80 46    movabs $0x61c8864680b583eb,%rax
> ffffffff8150a050:       86 c8 61 

BTW, I think this get_kprobe() should be "notrace" because this
is called from int3 handler.

Thanks,

-- 
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>