Re: [syzbot] [sound?] possible deadlock in __snd_pcm_lib_xfer (2)

syzbot
2025-08-30T00:06:03Z

syzbot has bisected this issue to:

commit d2d6422f8bd17c6bb205133e290625a564194496
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri Sep 6 10:59:04 2024 +0000

x86: Allow to enable PREEMPT_RT.

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12db5634580000
start commit: 07d9df80082b Merge tag 'perf-tools-fixes-for-v6.17-2025-08..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=11db5634580000
console output: https://syzkaller.appspot.com/x/log.txt?x=16db5634580000
kernel config: https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e
dashboard link: https://syzkaller.appspot.com/bug?extid=10b4363fb0f46527f3f3
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10307262580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17110242580000

Reported-by: syzbot+10b4363fb0f46527f3f3@syzkaller.appspotmail.com
Fixes: d2d6422f8bd1 ("x86: Allow to enable PREEMPT_RT.")

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