Re: [PATCH] posix-timers: Fix a race with __exit_signal()

From: Thomas Gleixner
Date: Mon Dec 02 2024 - 17:05:48 EST


On Mon, Dec 02 2024 at 16:54, Ilya Leoshkevich wrote:
> If a thread exit happens simultaneously with a POSIX timer signal, this
> POSIX timer may end up being erroneously stopped. This problem may be
> reproduced with a small C program that creates a POSIX timer and
> constantly respawns threads, e.g. [1].

AFAICT this has been fixed with commit:

63dffecfba3e ("posix-timers: Target group sigqueue to current task only if not exiting")

Are you sure, that you have this commit in your testing? It's in rc1.

Thanks,

tglx