syzbot has bisected this issue to:
commit 0161e2d6950fe66cf6ac1c10d945bae971f33667
Author: John Ogness <john.ogness@xxxxxxxxxxxxx>
Date: Mon Dec 9 11:17:46 2024 +0000
printk: Defer legacy printing when holding printk_cpu_sync
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14b19a8c580000
start commit: d006330be3f7 Merge tag 'sound-6.16-rc6' of git://git.kerne..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=16b19a8c580000
console output: https://syzkaller.appspot.com/x/log.txt?x=12b19a8c580000
kernel config: https://syzkaller.appspot.com/x/.config?x=b309c907eaab29da
dashboard link: https://syzkaller.appspot.com/bug?extid=9bc8c0586b39708784d9
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15e24a8c580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10ed3582580000
Reported-by: syzbot+9bc8c0586b39708784d9@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 0161e2d6950f ("printk: Defer legacy printing when holding printk_cpu_sync")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
