usb 4-1: Found UVC 0.00 device <unnamed> (0bd3:0555)
uvcvideo 4-1:0.0: Entity type for entity ἞ was not initialized!
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WARNING: CPU: 1 PID: 17 at drivers/media/mc/mc-entity.c:666 media_create_pad_link+0x4de/0x650 drivers/media/mc/mc-entity.c:666
Modules linked in:
CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:media_create_pad_link+0x4de/0x650 drivers/media/mc/mc-entity.c:666
Code: a8 e4 47 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 91 e4 47 fd 0f 0b 41 bc ea ff ff ff eb da e8 82 e4 47 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 73 e4 47 fd 0f 0b 41 bc ea ff ff
RSP: 0018:ffffc9000012ef68 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8881351ec080 RCX: ffffc9001013a000
RDX: 0000000000040000 RSI: ffffffff83f87d8e RDI: 0000000000000003
RBP: ffff8881313aa080 R08: 0000000000000003 R09: 0000000000000000
R10: ffffffff83f87925 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881313aa080
FS:  0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32f26000 CR3: 000000012a0d4000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline]
 uvc_mc_register_entities+0x5cd/0x910 drivers/media/usb/uvc/uvc_entity.c:151
 uvc_register_chains drivers/media/usb/uvc/uvc_driver.c:2298 [inline]
 uvc_probe.cold+0x1f8e/0x33ad drivers/media/usb/uvc/uvc_driver.c:2435
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 really_probe+0x291/0xe60 drivers/base/dd.c:559
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:745
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:851
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:919
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3242
 usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2164
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
 really_probe+0x291/0xe60 drivers/base/dd.c:559
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:745
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:851
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:919
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3242
 usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2556
 hub_port_connect drivers/usb/core/hub.c:5276 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5416 [inline]
 port_event drivers/usb/core/hub.c:5562 [inline]
 hub_event+0x2357/0x4320 drivers/usb/core/hub.c:5644
 process_one_work+0x98d/0x1580 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294