syzbot has bisected this issue to:
commit 4d004099a668c41522242aa146a38cc4eb59cb1e Author: Peter Zijlstra peterz@infradead.org Date: Fri Oct 2 09:04:21 2020 +0000
lockdep: Fix lockdep recursion
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=133f3090d00000 start commit: d03154e8 Add linux-next specific files for 20210128 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=10bf3090d00000 console output: https://syzkaller.appspot.com/x/log.txt?x=173f3090d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=6953ffb584722a1 dashboard link: https://syzkaller.appspot.com/bug?extid=3e3d9bd0c6ce9efbc3ef syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11a924c4d00000
Reported-by: syzbot+3e3d9bd0c6ce9efbc3ef@syzkaller.appspotmail.com Fixes: 4d004099a668 ("lockdep: Fix lockdep recursion")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection