dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. usb 1-1: selecting invalid altsetting 1 set interface failed ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 5 at kernel/locking/mutex.c:931 __mutex_lock_common kernel/locking/mutex.c:931 [inline] WARNING: CPU: 0 PID: 5 at kernel/locking/mutex.c:931 __mutex_lock+0xc0b/0x1120 kernel/locking/mutex.c:1096 Modules linked in: CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.12.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:931 [inline] RIP: 0010:__mutex_lock+0xc0b/0x1120 kernel/locking/mutex.c:1096