syzbot suspects this issue was fixed by commit: commit 6f489a966fbeb0da63d45c2c66a8957eab604bf6 Author: Duoming Zhou <duoming@xxxxxxxxxx> Date: Mon May 22 23:59:32 2023 +0000 media: usb: siano: Fix warning due to null work_func_t function pointer bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=122f7a3ba80000 start commit: d528014517f2 Revert ".gitignore: ignore *.cover and *.mbx" git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d576750da57ebbb5 dashboard link: https://syzkaller.appspot.com/bug?extid=a7c205f9c1168e2f1dcc syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17dd0d94a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15ea4fa0a80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: media: usb: siano: Fix warning due to null work_func_t function pointer For information about bisection process see: https://goo.gl/tpsmEJ#bisection