syzbot has bisected this issue to: commit 997acaf6b4b59c6a9c259740312a69ea549cc684 Author: Mark Rutland <mark.rutland@xxxxxxx> Date: Mon Jan 11 15:37:07 2021 +0000 lockdep: report broken irq restoration bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13927981300000 start commit: d09c548dbf3b net: sched: act_mirred: Reset ct info when mi.. git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=10527981300000 console output: https://syzkaller.appspot.com/x/log.txt?x=17927981300000 kernel config: https://syzkaller.appspot.com/x/.config?x=343fd21f6f4da2d6 dashboard link: https://syzkaller.appspot.com/bug?extid=fafb46da3f65fdbacd16 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=152ee39e300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15946ff1300000 Reported-by: syzbot+fafb46da3f65fdbacd16@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 997acaf6b4b5 ("lockdep: report broken irq restoration") For information about bisection process see: https://goo.gl/tpsmEJ#bisection