Re: [syzbot] [kernel?] WARNING: locking bug in try_to_wake_up (3)

From: syzbot

Date: Sun Dec 14 2025 - 16:16:06 EST


syzbot suspects this issue was fixed by commit:

commit b549113738e8c751b613118032a724b772aa83f2
Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Date: Wed Sep 10 10:42:43 2025 +0000

futex: Prevent use-after-free during requeue-PI

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1375511a580000
start commit: fb679c832b64 Merge tag 'efi-fixes-for-v6.17-1' of git://gi..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=bd9738e00c1bbfb4
dashboard link: https://syzkaller.appspot.com/bug?extid=9656cc66de78ef06f223
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=166bea62580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: futex: Prevent use-after-free during requeue-PI

For information about bisection process see: https://goo.gl/tpsmEJ#bisection