syzbot has bisected this issue to:
commit c8cc7e853192d520ab6a5957f5081034103587ae
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Tue Feb 9 08:30:03 2021 +0000
lockdep: Noinstr annotate warn_bogus_irq_restore()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=152deb3ad00000
start commit: 81b1d39f Merge tag '5.12-rc4-smb3' of git://git.samba.org/..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=172deb3ad00000
console output: https://syzkaller.appspot.com/x/log.txt?x=132deb3ad00000
kernel config: https://syzkaller.appspot.com/x/.config?x=d4e9addca54f3b44
dashboard link: https://syzkaller.appspot.com/bug?extid=796d767eb376810256f5
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17d06ddcd00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=150764bed00000
Reported-by: syzbot+796d767eb376810256f5@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: c8cc7e853192 ("lockdep: Noinstr annotate warn_bogus_irq_restore()")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
