syzbot suspects this issue was fixed by commit: commit 363eaa3a450abb4e63bd6e3ad79d1f7a0f717814 Author: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> Date: Tue Mar 30 01:36:51 2021 +0000 usbip: synchronize event handler with sysfs code paths bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1616e872700000 start commit: 4fa56ad0d12e Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=144ecdb0be3abc07 dashboard link: https://syzkaller.appspot.com/bug?extid=31ae6d17d115e980fd14 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12548d11d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13ec77e9d00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: usbip: synchronize event handler with sysfs code paths For information about bisection process see: https://goo.gl/tpsmEJ#bisection