syzbot has bisected this issue to: commit 4d0e9df5e43dba52d38b251e3b909df8fa1110be Author: Albert van der Linde <alinde@xxxxxxxxxx> Date: Fri Oct 16 03:13:50 2020 +0000 lib, uaccess: add failure injection to usercopy functions bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=132abd2b980000 start commit: d5d547aa7b51 Merge tag 'random-6.11-rc6-for-linus' of git:.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=10aabd2b980000 console output: https://syzkaller.appspot.com/x/log.txt?x=172abd2b980000 kernel config: https://syzkaller.appspot.com/x/.config?x=d76559f775f44ba6 dashboard link: https://syzkaller.appspot.com/bug?extid=e70e4c6f6eee43357ba7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ee2b7b980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=177c7b7b980000 Reported-by: syzbot+e70e4c6f6eee43357ba7@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 4d0e9df5e43d ("lib, uaccess: add failure injection to usercopy functions") For information about bisection process see: https://goo.gl/tpsmEJ#bisection