usb 1-1: New USB device found, idVendor=0bd3, idProduct=0d55, bcdDevice=69.6a 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 Output 255 was not initialized! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22 at drivers/media/mc/mc-entity.c:1021 media_create_pad_link+0x975/0xad0 Modules linked in: CPU: 1 PID: 22 Comm: kworker/1:0 Not tainted 6.1.27-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:media_create_pad_link+0x975/0xad0 drivers/media/mc/mc-entity.c:1021 Code: 00 66 41 ff 04 24 31 c0 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 39 e3 91 fa 0f 0b b8 ea ff ff ff eb e3 e8 2b e3 91 fa <0f> 0b b8 ea ff ff ff eb d5 e8 1d e3 91 fa 0f 0b b8 ea ff ff ff eb RSP: 0018:ffffc900001c6a20 EFLAGS: 00010293 RAX: ffffffff86f7e595 RBX: 0000000000000000 RCX: ffff88813feeba80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff86f7dc8d R09: ffffed100f621098 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807b416880 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6c5edd51c8 CR3: 0000000075460000 CR4: 00000000003506e0 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+0x6e0/0x950 drivers/media/usb/uvc/uvc_entity.c:151 uvc_register_chains+0x3d4/0x4c0 drivers/media/usb/uvc/uvc_driver.c:2034 uvc_probe+0xa091/0xa940 drivers/media/usb/uvc/uvc_driver.c:2171 usb_probe_interface+0x5c0/0xaf0 drivers/usb/core/driver.c:396 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:783 driver_probe_device+0x50/0x420 drivers/base/dd.c:813 __device_attach_driver+0x2cf/0x510 drivers/base/dd.c:941 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:1013 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3664 usb_set_configuration+0x19dd/0x2020 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x84/0x140 drivers/usb/core/generic.c:238 usb_probe_device+0x130/0x260 drivers/usb/core/driver.c:293 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:783 driver_probe_device+0x50/0x420 drivers/base/dd.c:813 __device_attach_driver+0x2cf/0x510 drivers/base/dd.c:941 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:1013 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3664 usb_new_device+0xbdd/0x18e0 drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5355 [inline] hub_port_connect_change drivers/usb/core/hub.c:5499 [inline] port_event drivers/usb/core/hub.c:5655 [inline] hub_event+0x2d4d/0x57b0 drivers/usb/core/hub.c:5737 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306