usb 6-1: Found UVC 0.00 device syz (04f2:b746)
usb 6-1: No valid video chain found.
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 1320 at kernel/locking/mutex.c:564 __mutex_lock_common kernel/locking/mutex.c:564 [inline]
WARNING: CPU: 0 PID: 1320 at kernel/locking/mutex.c:564 __mutex_lock+0x369/0xa60 kernel/locking/mutex.c:735
Modules linked in:
CPU: 0 UID: 0 PID: 1320 Comm: kworker/0:2 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:564 [inline]
RIP: 0010:__mutex_lock+0x369/0xa60 kernel/locking/mutex.c:735
Code: d0 7c 08 84 d2 0f 85 6d 06 00 00 8b 0d d0 5d 01 05 85 c9 75 19 90 48 c7 c6 e0 bd 4c 8b 48 c7 c7 40 bc 4c 8b e8 78 5c 3e f6 90 <0f> 0b 90 90 90 e9 f2 fd ff ff 4c 8d b5 60 ff ff ff 48 89 df 4c 89
RSP: 0018:ffffc90006f9edd0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff888023857518 RCX: ffffffff815a1729
RDX: ffff8880215f8000 RSI: ffffffff815a1736 RDI: 0000000000000001
RBP: ffffc90006f9ef10 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 000000002d2d2d2d R12: dffffc0000000000
R13: 0000000000000002 R14: 0000000000000000 R15: ffffc90006f9ee50
FS:  0000000000000000(0000) GS:ffff88802b400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000c3a90c7 CR3: 00000000649c4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 class_mutex_constructor include/linux/mutex.h:201 [inline]
 uvc_status_suspend drivers/media/usb/uvc/uvc_status.c:375 [inline]
 uvc_status_unregister+0x21/0xe0 drivers/media/usb/uvc/uvc_status.c:297
 uvc_unregister_video+0x126/0x250 drivers/media/usb/uvc/uvc_driver.c:1977
 uvc_probe+0x2cc5/0xba00 drivers/media/usb/uvc/uvc_driver.c:2302
 usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3665
 usb_set_configuration+0x10ea/0x1ca0 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3665
 usb_new_device+0xd2c/0x1960 drivers/usb/core/hub.c:2651
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903
 process_one_work+0x958/0x1b30 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>