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: 4024 at drivers/media/mc/mc-entity.c:667 media_create_pad_link+0x824/0x974 Modules linked in: CPU: 1 PID: 4024 Comm: kworker/1:3 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : media_create_pad_link+0x824/0x974 lr : media_create_pad_link+0x820/0x974 drivers/media/mc/mc-entity.c:667 sp : ffff80001d6e6760 x29: ffff80001d6e67b0 x28: dfff800000000000 x27: 0000000000000001 x26: ffff0000cdeaf880 x25: ffff0000cef23880 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: dfff800000000000 x19: ffff0000cdeaf9f8 x18: ffff80001d6e64a0 x17: 0000000000000000 x16: ffff80000824ebd0 x15: 00000000000183e1 x14: 00000000f060a86f x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000dcca3680 x8 : ffff80000e2a8fa4 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000178b7df0 x4 : 0000000000000003 x3 : 0000000000000000 x2 : ffff0000cdeaf880 x1 : 0000000000000000 x0 : 00000000ffffffea Call trace: media_create_pad_link+0x824/0x974 uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline] uvc_mc_register_entities+0x5d0/0x808 drivers/media/usb/uvc/uvc_entity.c:151 uvc_register_chains+0x36c/0x464 drivers/media/usb/uvc/uvc_driver.c:2316 uvc_probe+0x7850/0x8038 drivers/media/usb/uvc/uvc_driver.c:2453 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:429 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:489 device_add+0xae0/0xef4 drivers/base/core.c:3412 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:429 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:489 device_add+0xae0/0xef4 drivers/base/core.c:3412 usb_new_device+0x900/0x145c drivers/usb/core/hub.c:2593 hub_port_connect drivers/usb/core/hub.c:5455 [inline] hub_port_connect_change drivers/usb/core/hub.c:5595 [inline] port_event drivers/usb/core/hub.c:5741 [inline] hub_event+0x236c/0x46b8 drivers/usb/core/hub.c:5823 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 32458 hardirqs last enabled at (32457): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (32457): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (32458): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (29756): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (29756): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (29741): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (29741): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (29741): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (29741): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 630c68d62ddae2db ]--- 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=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: 4024 at drivers/media/mc/mc-entity.c:667 media_create_pad_link+0x824/0x974 Modules linked in: CPU: 1 PID: 4024 Comm: kworker/1:3 Tainted: G W 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: usb_hub_wq hub_event pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : media_create_pad_link+0x824/0x974 lr : media_create_pad_link+0x820/0x974 drivers/media/mc/mc-entity.c:667 sp : ffff80001d6e6760 x29: ffff80001d6e67b0 x28: dfff800000000000 x27: 0000000000000001 x26: ffff0000ce5ff880 x25: ffff0000ceba0880 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: dfff800000000000 x19: ffff0000ce5ff9f8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80000824ebd0 x15: 0000000000000000 x14: 1ffff0000296c06c x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000dcca3680 x8 : ffff80000e2a8fa4 x7 : ffff80000e2cf100 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000003 x3 : 0000000000000000 x2 : ffff0000ce5ff880 x1 : 0000000000000000 x0 : 00000000ffffffea Call trace: media_create_pad_link+0x824/0x974 uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline] uvc_mc_register_entities+0x5d0/0x808 drivers/media/usb/uvc/uvc_entity.c:151 uvc_register_chains+0x36c/0x464 drivers/media/usb/uvc/uvc_driver.c:2316 uvc_probe+0x7850/0x8038 drivers/media/usb/uvc/uvc_driver.c:2453 usb_probe_interface+0x500/0x984 drivers/usb/core/driver.c:396 really_probe+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:429 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:489 device_add+0xae0/0xef4 drivers/base/core.c:3412 usb_set_configuration+0x15e0/0x1b60 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:238 usb_probe_device+0x120/0x25c drivers/usb/core/driver.c:293 really_probe+0x26c/0xaec drivers/base/dd.c:595 __driver_probe_device+0x194/0x3b4 drivers/base/dd.c:755 driver_probe_device+0x78/0x34c drivers/base/dd.c:785 __device_attach_driver+0x28c/0x4d8 drivers/base/dd.c:907 bus_for_each_drv+0x158/0x1e0 drivers/base/bus.c:429 __device_attach+0x2f0/0x480 drivers/base/dd.c:979 device_initial_probe+0x24/0x34 drivers/base/dd.c:1028 bus_probe_device+0xbc/0x1c8 drivers/base/bus.c:489 device_add+0xae0/0xef4 drivers/base/core.c:3412 usb_new_device+0x900/0x145c drivers/usb/core/hub.c:2593 hub_port_connect drivers/usb/core/hub.c:5455 [inline] hub_port_connect_change drivers/usb/core/hub.c:5595 [inline] port_event drivers/usb/core/hub.c:5741 [inline] hub_event+0x236c/0x46b8 drivers/usb/core/hub.c:5823 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 41388 hardirqs last enabled at (41387): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (41387): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (41388): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (38620): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (38620): [] __fib6_clean_all+0x2ac/0x428 net/ipv6/ip6_fib.c:2261 softirqs last disabled at (38614): [] spin_lock_bh include/linux/spinlock.h:368 [inline] softirqs last disabled at (38614): [] __fib6_clean_all+0x1e8/0x428 net/ipv6/ip6_fib.c:2258 ---[ end trace 630c68d62ddae2dc ]--- 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 3