Re: Crash when attaching uretprobes to processes running in Docker

Oleg Nesterov
2025-01-14T22:11:21Z

On 01/14, Andrii Nakryiko wrote:
>
> On Tue, Jan 14, 2025 at 12:40 PM Oleg Nesterov <oleg@redhat.com> wrote:
> >
> > But, unlike sys_uretprobe(), sys_rt_sigreturn() is old, so the existing
> > setups must know that sigreturn() should be respected...
>
> someday sys_uretprobe will be old as well ;) FWIW, systemd allowlisted
> sys_uretprobe, see [0]

And I agree! ;)

I mean, I'd personally prefer to do nothing and wait until userspace figures
out that we have another "special" syscall.

But can we do it? I simply do not know. Can we ignore this (valid) bug report?

Oleg.