syzbot has bisected this issue to: commit 77a36a3ab4ff17fad23831192e3694a3c5a1750d Author: Samuel Čavoj <sammko@xxxxxxxxxxxxxx> Date: Fri Mar 13 02:12:38 2020 +0000 HID: Add driver fixing Glorious PC Gaming Race mouse report descriptor bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=129959ccd00000 start commit: f40ddce8 Linux 5.11 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=119959ccd00000 console output: https://syzkaller.appspot.com/x/log.txt?x=169959ccd00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e53d04227c52a0df dashboard link: https://syzkaller.appspot.com/bug?extid=1db88381b64aaa929ef6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12277728d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1135e198d00000 Reported-by: syzbot+1db88381b64aaa929ef6@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 77a36a3ab4ff ("HID: Add driver fixing Glorious PC Gaming Race mouse report descriptor") For information about bisection process see: https://goo.gl/tpsmEJ#bisection