Konrad Stanik

Thanks for quick reply @jcupitt ! Yeah, working on a reproducer, but gave it a try with all that I have for now...

No reproducer yet, but attaching a bit more data from dumped core: ``` #1 0x00007f5588923d9f in __pthread_kill_internal (signo=6, threadid=) at ./nptl/pthread_kill.c:78 #2 0x00007f55888d4f32 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26 #3 0x00007f55888bf472...