syzbot has bisected this issue to:
commit 1a33e10e4a95cb109ff1145098175df3113313ef
Author: Cong Wang <xiyou.wangc...@gmail.com>
Date: Sun May 3 05:22:19 2020 +0000
net: partially revert dynamic lockdep key changes
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10434970900000
start commit: d8b9faec Merge tag 'drm-fixes-2020-07-31' of git://anongit..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=12434970900000
console output: https://syzkaller.appspot.com/x/log.txt?x=14434970900000
kernel config: https://syzkaller.appspot.com/x/.config?x=c0cfcf935bcc94d2
dashboard link: https://syzkaller.appspot.com/bug?extid=3b165dac15094065651e
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=163e2c92900000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=143f2bb8900000
Reported-by: syzbot+3b165dac150940656...@syzkaller.appspotmail.com
Fixes: 1a33e10e4a95 ("net: partially revert dynamic lockdep key changes")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
