usb 1-1: Found UVC 0.00 device (0bd3:0555) uvcvideo 1-1:0.0: Entity type for entity ᠌ was not initialized! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 125 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: 125 Comm: kworker/1:2 Not tainted 5.12.0-rc4-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: f8 0c 37 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e1 0c 37 fd 0f 0b 41 bc ea ff ff ff eb da e8 d2 0c 37 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 c3 0c 37 fd 0f 0b 41 bc ea ff ff RSP: 0018:ffff88810b46efe8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888112d5d080 RCX: 0000000000000000 RDX: ffff8881096acd40 RSI: ffffffff84095ffe RDI: 0000000000000003 RBP: ffff8881076c7880 R08: 0000000000000003 R09: 0000000000000000 R10: ffffffff84095b95 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881076c7880 FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f124d89ae8 CR3: 0000000112c1a004 CR4: 00000000001706e0 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+0x1997/0x3397 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:554 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:914 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xb78/0x1d40 drivers/base/core.c:3242 usb_set_configuration+0x1070/0x17a0 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:554 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:914 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xb78/0x1d40 drivers/base/core.c:3242 usb_new_device.cold+0x592/0xd54 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x22e1/0x4250 drivers/usb/core/hub.c:5591 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 irq event stamp: 17787 hardirqs last enabled at (17795): [] console_unlock+0x5d6/0xb70 kernel/printk/printk.c:2605 hardirqs last disabled at (17804): [] console_unlock+0x84a/0xb70 kernel/printk/printk.c:2520 softirqs last enabled at (17784): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last enabled at (17784): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last enabled at (17784): [] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:434 softirqs last disabled at (17131): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last disabled at (17131): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (17131): [] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:434 ---[ end trace ce4ab51f4b0c22dd ]--- usb 1-1: Failed to create links for entity 255 usb 1-1: Failed to register entities (-22). usb 1-1: USB disconnect, device number 2 usb 1-1: new high-speed USB device number 3 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: can't set config #0, error -71 usb 1-1: USB disconnect, device number 3 usb 1-1: new high-speed USB device number 4 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: Found UVC 0.00 device (0bd3:0555) uvcvideo 1-1:0.0: Entity type for entity ᠌ was not initialized! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 125 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: 125 Comm: kworker/1:2 Tainted: G W 5.12.0-rc4-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: f8 0c 37 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e1 0c 37 fd 0f 0b 41 bc ea ff ff ff eb da e8 d2 0c 37 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 c3 0c 37 fd 0f 0b 41 bc ea ff ff RSP: 0018:ffff88810b46efe8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888114f41080 RCX: 0000000000000000 RDX: ffff8881096acd40 RSI: ffffffff84095ffe RDI: 0000000000000003 RBP: ffff88811698f880 R08: 0000000000000003 R09: 0000000000000000 R10: ffffffff84095b95 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88811698f880 FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f124d89ae8 CR3: 0000000109896003 CR4: 00000000001706e0 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+0x1997/0x3397 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:554 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:914 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xb78/0x1d40 drivers/base/core.c:3242 usb_set_configuration+0x1070/0x17a0 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:554 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:914 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xb78/0x1d40 drivers/base/core.c:3242 usb_new_device.cold+0x592/0xd54 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x22e1/0x4250 drivers/usb/core/hub.c:5591 process_one_work+0x98d/0x1580 kernel/workqueue.c:2275 process_scheduled_works kernel/workqueue.c:2337 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2423 kthread+0x38c/0x460 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 irq event stamp: 26063 hardirqs last enabled at (26071): [] console_unlock+0x5d6/0xb70 kernel/printk/printk.c:2605 hardirqs last disabled at (26080): [] console_unlock+0x84a/0xb70 kernel/printk/printk.c:2520 softirqs last enabled at (26032): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last enabled at (26032): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last enabled at (26032): [] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:434 softirqs last disabled at (26027): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last disabled at (26027): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (26027): [] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:434 ---[ end trace ce4ab51f4b0c22de ]--- usb 1-1: Failed to create links for entity 255 usb 1-1: Failed to register entities (-22). usb 1-1: USB disconnect, device number 4 usb 1-1: new high-speed USB device number 5 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 usb 1-1: device descriptor read/all, error -71 usb 1-1: new high-speed USB device number 6 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: Found UVC 0.00 device (0bd3:0555) uvcvideo 1-1:0.0: Entity type for entity ᠌ was not initialized! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 125 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: 125 Comm: kworker/1:2 Tainted: G W 5.12.0-rc4-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: f8 0c 37 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e1 0c 37 fd 0f 0b 41 bc ea ff ff ff eb da e8 d2 0c 37 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 c3 0c 37 fd 0f 0b 41 bc ea ff ff RSP: 0018:ffff88810b46efe8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88810e698080 RCX: 0000000000000000 RDX: ffff8881096acd40 RSI: ffffffff84095ffe RDI: 0000000000000003 RBP: ffff88810e69b080 R08: 0000000000000003 R09: 0000000000000000 R10: ffffffff84095b95 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810e69b080 FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f124d89ae8 CR3: 0000000109896002 CR4: 00000000001706e0 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+0x1997/0x3397 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:554 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:914 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xb78/0x1d40 drivers/base/core.c:3242 usb_set_configuration+0x1070/0x17a0 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:554 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:914 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xb78/0x1d40 drivers/base/core.c:3242 usb_new_device.cold+0x592/0xd54 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x22e1/0x4250 drivers/usb/core/hub.c:5591 process_one_work+0x98d/0x1580 kernel/workqueue.c:2275 process_scheduled_works kernel/workqueue.c:2337 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2423 kthread+0x38c/0x460 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 irq event stamp: 32891 hardirqs last enabled at (32901): [] console_unlock+0x5d6/0xb70 kernel/printk/printk.c:2605 hardirqs last disabled at (32910): [] console_unlock+0x84a/0xb70 kernel/printk/printk.c:2520 softirqs last enabled at (32880): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last enabled at (32880): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last enabled at (32880): [] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:434 softirqs last disabled at (32875): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last disabled at (32875): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (32875): [] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:434 ---[ end trace ce4ab51f4b0c22df ]--- usb 1-1: Failed to create links for entity 255 usb 1-1: Failed to register entities (-22). usb 1-1: USB disconnect, device number 6 usb 1-1: new high-speed USB device number 7 using dummy_hcd usb 1-1: device not accepting address 7, error -71 usb 1-1: new high-speed USB device number 8 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: Found UVC 0.00 device (0bd3:0555) uvcvideo 1-1:0.0: Entity type for entity ᠌ was not initialized! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 125 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: 125 Comm: kworker/1:2 Tainted: G W 5.12.0-rc4-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: f8 0c 37 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 e1 0c 37 fd 0f 0b 41 bc ea ff ff ff eb da e8 d2 0c 37 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 c3 0c 37 fd 0f 0b 41 bc ea ff ff RSP: 0018:ffff88810b46efe8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88810fa23880 RCX: 0000000000000000 RDX: ffff8881096acd40 RSI: ffffffff84095ffe RDI: 0000000000000003 RBP: ffff88810fa24880 R08: 0000000000000003 R09: 0000000000000000 R10: ffffffff84095b95 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810fa24880 FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f124d8c8d0 CR3: 0000000109896001 CR4: 00000000001706e0 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+0x1997/0x3397 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:554