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charset="UTF-8" syzbot has bisected this issue to: commit beb45974dd49068b24788bbfc2abe20d50503761 Author: Takashi Iwai Date: Tue Feb 27 08:52:45 2024 +0000 ALSA: timer: Use guard() for locking bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=148a87b9180000 start commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=168a87b9180000 console output: https://syzkaller.appspot.com/x/log.txt?x=128a87b9180000 kernel config: https://syzkaller.appspot.com/x/.config?x=4d90a36f0cab495a dashboard link: https://syzkaller.appspot.com/bug?extid=28c1a5a5b041a754b947 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14835185180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1132fbfa180000 Reported-by: syzbot+28c1a5a5b041a754b947@syzkaller.appspotmail.com Fixes: beb45974dd49 ("ALSA: timer: Use guard() for locking") For information about bisection process see: https://goo.gl/tpsmEJ#bisection