syzbot has bisected this issue to:
commit 4febce44cfebcb490b196d5d10ae9f403ca4c956
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Tue Oct 1 08:42:03 2024 +0000
posix-timers: Cure si_sys_private race
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=129f2d87980000
start commit: f9f24ca362a4 Add linux-next specific files for 20241031
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=169f2d87980000
kernel config: https://syzkaller.appspot.com/x/.config?x=328572ed4d152be9
dashboard link: https://syzkaller.appspot.com/bug?extid=b506de56cbbb63148c33
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1387655f980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11ac5540580000
Reported-by: syzbot+b506de56cbbb63148c33@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 4febce44cfeb ("posix-timers: Cure si_sys_private race")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
