usb 1-1: New USB device strings: Mfr=64, Product=0, SerialNumber=0 usb 1-1: Manufacturer: syz usb 1-1: config 0 descriptor?? usb 1-1: Found UVC 0.00 device (0bd3:0d55) uvcvideo 1-1:0.0: Entity type for entity ΣΏ was not initialized! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22 at drivers/media/mc/mc-entity.c:663 media_create_pad_link+0x4de/0x650 drivers/media/mc/mc-entity.c:663 Modules linked in: CPU: 1 PID: 22 Comm: kworker/1:0 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Workqueue: usb_hub_wq hub_event RIP: 0010:media_create_pad_link+0x4de/0x650 drivers/media/mc/mc-entity.c:663 Code: 18 81 6e fb 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 01 81 6e fb 0f 0b 41 bc ea ff ff ff eb da e8 f2 80 6e fb <0f> 0b 41 bc ea ff ff ff eb cb e8 e3 80 6e fb 0f 0b 41 bc ea ff ff RSP: 0018:ffffc900001c6ee0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801ce56080 RCX: 0000000000000000 RDX: ffff888011a4bb00 RSI: ffffffff860c58ce RDI: 0000000000000002 RBP: ffff88801fc10080 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801fc10080 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe636dc068 CR3: 000000007789b000 CR4: 0000000000350ee0 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:2334 [inline] uvc_probe.cold+0x1cc5/0x218d drivers/media/usb/uvc/uvc_driver.c:2471 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:555 [inline] really_probe+0x23e/0xb90 drivers/base/dd.c:634 __driver_