usb 3-1: New USB device found, idVendor=18ec, idProduct=3288, bcdDevice=3f.3a usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 3-1: Product: syz usb 3-1: Manufacturer: syz usb 3-1: SerialNumber: syz usb 3-1: Found Unit with invalid ID 0. ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 9 at kernel/locking/mutex.c:587 __mutex_lock_common kernel/locking/mutex.c:587 [inline] WARNING: CPU: 0 PID: 9 at kernel/locking/mutex.c:587 __mutex_lock+0xc41/0xd70 kernel/locking/mutex.c:752 Modules linked in: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.12.0-rc3-next-20241016-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: usb_hub_wq hub_event RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:587 [inline] RIP: 0010:__mutex_lock+0xc41/0xd70 kernel/locking/mutex.c:752 Code: 0f b6 04 20 84 c0 0f 85 18 01 00 00 83 3d 36 20 49 04 00 75 19 90 48 c7 c7 20 b9 0a 8c 48 c7 c6 c0 b9 0a 8c e8 00 0f 81 f5 90 <0f> 0b 90 90 90 e9 bd f4 ff ff 90 0f 0b 90 e9 cf f8 ff ff 90 0f 0b RSP: 0018:ffffc900000e6980 EFLAGS: 00010246 RAX: e726d1988d049f00 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc90015170000 RSI: 0000000000035c9d RDI: 0000000000035c9e RBP: ffffc900000e6ad0 R08: ffffffff8155d7b2 R09: fffffbfff1cfa3e0 R10: dffffc0000000000 R11: fffffbfff1cfa3e0 R12: dffffc0000000000 R13: ffff88805f378518 R14: 0000000000000000 R15: ffff88805f3784e8 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000005faa8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: class_mutex_constructor include/linux/mutex.h:201 [inline] uvc_status_suspend drivers/media/usb/uvc/uvc_status.c:375 [inline] uvc_status_unregister+0x2f/0xe0 drivers/media/usb/uvc/uvc_status.c:297 uvc_unregister_video+0xeb/0x1c0 drivers/media/usb/uvc/uvc_driver.c:1947 uvc_probe+0x9135/0x98c0 drivers/media/usb/uvc/uvc_driver.c:2272 usb_probe_interface+0x645/0xbb0 drivers/usb/core/driver.c:399 really_probe+0x2b8/0xad0 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459 __device_attach+0x333/0x520 drivers/base/dd.c:1030 bus_probe_device+0x189/0x260 drivers/base/bus.c:534 device_add+0x856/0xbf0 drivers/base/core.c:3675 usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254 usb_probe_device+0x1b8/0x380 drivers/usb/core/driver.c:294 really_probe+0x2b8/0xad0 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459 __device_attach+0x333/0x520 drivers/base/dd.c:1030 bus_probe_device+0x189/0x260 drivers/base/bus.c:534 device_add+0x856/0xbf0 drivers/base/core.c:3675 usb_new_device+0x104a/0x19a0 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+0x2d6d/0x5150 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244