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: 6396 at drivers/media/mc/mc-entity.c:1144 media_create_pad_link+0x8b4/0xa3c Modules linked in: CPU: 1 UID: 0 PID: 6396 Comm: kworker/1:3 Not tainted 6.11.0-rc3-syzkaller-00019-g5c43d43bad35 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : media_create_pad_link+0x8b4/0xa3c lr : media_create_pad_link+0x8b0/0xa3c drivers/media/mc/mc-entity.c:1144 sp : ffff800099f766e0 x29: ffff800099f76750 x28: ffff0000dc922080 x27: ffff0000c27fc080 x26: 0000000000000003 x25: ffff0000dc922208 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: dfff800000000000 x19: ffff0000dc922238 x18: ffff800099f76420 x17: 0000000000017971 x16: ffff80008029a3e4 x15: 0000000000000001 x14: 1fffe0001af22c97 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000001 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d921dac0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000930a9ce8 x4 : 0000000000000003 x3 : 0000000000000000 x2 : ffff0000dc922080 x1 : 0000000000000000 x0 : 00000000ffffffea Call trace: media_create_pad_link+0x8b4/0xa3c uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline] uvc_mc_register_entities+0x5d4/0x80c drivers/media/usb/uvc/uvc_entity.c:151 uvc_register_chains+0x36c/0x464 drivers/media/usb/uvc/uvc_driver.c:2083 uvc_probe+0x7850/0x80fc drivers/media/usb/uvc/uvc_driver.c:2220 usb_probe_interface+0x57c/0xa24 drivers/usb/core/driver.c:399 really_probe+0x38c/0x8fc drivers/base/dd.c:657 __driver_probe_device+0x194/0x374 drivers/base/dd.c:799 driver_probe_device+0x78/0x330 drivers/base/dd.c:829 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:957 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1029 device_initial_probe+0x24/0x34 drivers/base/dd.c:1078 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0x728/0xa6c drivers/base/core.c:3682 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:254 usb_probe_device+0x1a4/0x348 drivers/usb/core/driver.c:294 really_probe+0x38c/0x8fc drivers/base/dd.c:657 __driver_probe_device+0x194/0x374 drivers/base/dd.c:799 driver_probe_device+0x78/0x330 drivers/base/dd.c:829 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:957 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1029 device_initial_probe+0x24/0x34 drivers/base/dd.c:1078 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0x728/0xa6c drivers/base/core.c:3682 usb_new_device+0x908/0x149c 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+0x2454/0x4280 drivers/usb/core/hub.c:5903 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x938/0xebc kernel/workqueue.c:3390 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 38652 hardirqs last enabled at (38651): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (38651): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (38652): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (36894): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (36894): [] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582 softirqs last disabled at (36771): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- 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 5 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=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: 6396 at drivers/media/mc/mc-entity.c:1144 media_create_pad_link+0x8b4/0xa3c Modules linked in: CPU: 1 UID: 0 PID: 6396 Comm: kworker/1:3 Tainted: G W 6.11.0-rc3-syzkaller-00019-g5c43d43bad35 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : media_create_pad_link+0x8b4/0xa3c lr : media_create_pad_link+0x8b0/0xa3c drivers/media/mc/mc-entity.c:1144 sp : ffff800099f766e0 x29: ffff800099f76750 x28: ffff0000e0af0880 x27: ffff0000d2206080 x26: 0000000000000003 x25: ffff0000e0af0a08 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: dfff800000000000 x19: ffff0000e0af0a38 x18: 0000000000000008 x17: 74696e6920746f6e x16: ffff80008029a3e4 x15: 0000000000000001 x14: 1fffe000190d7497 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000001 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d921dac0 x7 : ffff800087198f48 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000003 x3 : 0000000000000000 x2 : ffff0000e0af0880 x1 : 0000000000000000 x0 : 00000000ffffffea Call trace: media_create_pad_link+0x8b4/0xa3c uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline] uvc_mc_register_entities+0x5d4/0x80c drivers/media/usb/uvc/uvc_entity.c:151 uvc_register_chains+0x36c/0x464 drivers/media/usb/uvc/uvc_driver.c:2083 uvc_probe+0x7850/0x80fc drivers/media/usb/uvc/uvc_driver.c:2220 usb_probe_interface+0x57c/0xa24 drivers/usb/core/driver.c:399 really_probe+0x38c/0x8fc drivers/base/dd.c:657 __driver_probe_device+0x194/0x374 drivers/base/dd.c:799 driver_probe_device+0x78/0x330 drivers/base/dd.c:829 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:957 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1029 device_initial_probe+0x24/0x34 drivers/base/dd.c:1078 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0x728/0xa6c drivers/base/core.c:3682 usb_set_configuration+0x15cc/0x1b38 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:254 usb_probe_device+0x1a4/0x348 drivers/usb/core/driver.c:294 really_probe+0x38c/0x8fc drivers/base/dd.c:657 __driver_probe_device+0x194/0x374 drivers/base/dd.c:799 driver_probe_device+0x78/0x330 drivers/base/dd.c:829 __device_attach_driver+0x2a8/0x4f4 drivers/base/dd.c:957 bus_for_each_drv+0x228/0x2bc drivers/base/bus.c:457 __device_attach+0x2b4/0x434 drivers/base/dd.c:1029 device_initial_probe+0x24/0x34 drivers/base/dd.c:1078 bus_probe_device+0x178/0x240 drivers/base/bus.c:532 device_add+0x728/0xa6c drivers/base/core.c:3682 usb_new_device+0x908/0x149c 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+0x2454/0x4280 drivers/usb/core/hub.c:5903 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x938/0xebc kernel/workqueue.c:3390 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 47620 hardirqs last enabled at (47619): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (47619): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (47620): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (47612): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (47612): [] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582 softirqs last disabled at (47593): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- 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 5