Warning: Permanently added '10.128.1.83' (ECDSA) to the list of known hosts. syzkaller login: [ 44.252170][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.254860][ T5945] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.257641][ T5945] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.260622][ T5945] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.263049][ T5945] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.265077][ T5945] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 44.576266][ T5437] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 44.816243][ T5437] usb 1-1: Using ep0 maxpacket: 8 [ 44.936298][ T5437] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 45.016215][ T5437] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0d55, bcdDevice=69.6a [ 45.018641][ T5437] usb 1-1: New USB device strings: Mfr=64, Product=0, SerialNumber=0 [ 45.020749][ T5437] usb 1-1: Manufacturer: syz [ 45.025525][ T5437] usb 1-1: config 0 descriptor?? [ 45.306532][ T5437] usb 1-1: Found UVC 0.00 device (0bd3:0d55) [ 45.308203][ T5437] uvcvideo 1-1:0.0: Entity type for entity Output 255 was not initialized! [ 45.310912][ T5437] ------------[ cut here ]------------ [ 45.312327][ T5437] WARNING: CPU: 0 PID: 5437 at drivers/media/mc/mc-entity.c:1089 media_create_pad_link+0x80c/0x95c [ 45.315022][ T5437] Modules linked in: [ 45.315999][ T5437] CPU: 0 PID: 5437 Comm: kworker/0:2 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 [ 45.318412][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 45.321003][ T5437] Workqueue: usb_hub_wq hub_event [ 45.322316][ T5437] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.324337][ T5437] pc : media_create_pad_link+0x80c/0x95c [ 45.325821][ T5437] lr : media_create_pad_link+0x808/0x95c [ 45.327266][ T5437] sp : ffff80001ece6720 [ 45.328339][ T5437] x29: ffff80001ece6770 x28: dfff800000000000 x27: 0000000000000001 [ 45.330423][ T5437] x26: ffff0000d58bb080 x25: ffff0000d58b8880 x24: 0000000000000000 [ 45.332490][ T5437] x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 [ 45.334562][ T5437] x20: dfff800000000000 x19: ffff0000d58bb210 x18: ffff80001ece6460 [ 45.336641][ T5437] x17: 74696e6920746f6e x16: ffff80000826e470 x15: 000000000000cc0e [ 45.338740][ T5437] x14: 00000000506e7b74 x13: dfff800000000000 x12: 0000000000000001 [ 45.340856][ T5437] x11: ff8080000e7948a8 x10: 0000000000000000 x9 : ffff80000e7948a8 [ 45.342915][ T5437] x8 : ffff0000d8ed8000 x7 : 0000000000000000 x6 : 0000000000000000 [ 45.344962][ T5437] x5 : ffff800018f90028 x4 : 0000000000000003 x3 : 0000000000000000 [ 45.347019][ T5437] x2 : ffff0000d58bb080 x1 : 0000000000000000 x0 : 00000000ffffffea [ 45.349123][ T5437] Call trace: [ 45.349969][ T5437] media_create_pad_link+0x80c/0x95c [ 45.351327][ T5437] uvc_mc_register_entities+0x5d0/0x808 [ 45.352744][ T5437] uvc_register_chains+0x36c/0x464 [ 45.354079][ T5437] uvc_probe+0x7784/0x7f4c [ 45.355242][ T5437] usb_probe_interface+0x500/0x984 [ 45.356574][ T5437] really_probe+0x394/0xa7c [ 45.357740][ T5437] __driver_probe_device+0x1bc/0x3f8 [ 45.359104][ T5437] driver_probe_device+0x78/0x330 [ 45.360397][ T5437] __device_attach_driver+0x2a8/0x4f4 [ 45.361812][ T5437] bus_for_each_drv+0x228/0x2bc [ 45.363070][ T5437] __device_attach+0x2b4/0x434 [ 45.364254][ T5437] device_initial_probe+0x24/0x34 [ 45.365529][ T5437] bus_probe_device+0x178/0x240 [ 45.366750][ T5437] device_add+0xabc/0xf58 [ 45.367889][ T5437] usb_set_configuration+0x15a4/0x1b1c [ 45.369343][ T5437] usb_generic_driver_probe+0x8c/0x148 [ 45.370729][ T5437] usb_probe_device+0x120/0x25c [ 45.371988][ T5437] really_probe+0x394/0xa7c [ 45.373140][ T5437] __driver_probe_device+0x1bc/0x3f8 [ 45.374487][ T5437] driver_probe_device+0x78/0x330 [ 45.375833][ T5437] __device_attach_driver+0x2a8/0x4f4 [ 45.377175][ T5437] bus_for_each_drv+0x228/0x2bc [ 45.378460][ T5437] __device_attach+0x2b4/0x434 [ 45.379756][ T5437] device_initial_probe+0x24/0x34 [ 45.381075][ T5437] bus_probe_device+0x178/0x240 [ 45.382299][ T5437] device_add+0xabc/0xf58 [ 45.383424][ T5437] usb_new_device+0x904/0x142c [ 45.384672][ T5437] hub_event+0x25e4/0x474c [ 45.385843][ T5437] process_one_work+0x868/0x16f4 [ 45.387134][ T5437] worker_thread+0x8e0/0xfe8 [ 45.388322][ T5437] kthread+0x24c/0x2d4 [ 45.389380][ T5437] ret_from_fork+0x10/0x20 [ 45.390512][ T5437] irq event stamp: 3234 [ 45.391578][ T5437] hardirqs last enabled at (3233): [] _raw_spin_unlock_irqrestore+0x44/0xa4 [ 45.394300][ T5437] hardirqs last disabled at (3234): [] el1_dbg+0x24/0x80 [ 45.396528][ T5437] softirqs last enabled at (2196): [] __do_softirq+0xd64/0xfbc [ 45.398914][ T5437] softirqs last disabled at (2183): [] ____do_softirq+0x14/0x20 [ 45.401333][ T5437] ---[ end trace 0000000000000000 ]--- [ 45.402952][ T5437] usb 1-1: Failed to create links for entity 255 [ 45.404619][ T5437] usb 1-1: Failed to register entities (-22). [ 45.409279][ T5437] usb 1-1: USB disconnect, device number 2