Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.166533][ T102] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.256724][ T102] usb 1-1: Using ep0 maxpacket: 8 [ 25.376603][ T102] usb 1-1: config 0 has too many interfaces: 65, using maximum allowed: 32 [ 25.385266][ T102] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 25.395360][ T102] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 65 [ 25.404383][ T102] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 25.413475][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.422577][ T102] usb 1-1: config 0 descriptor?? executing program [ 25.706634][ T102] usb 1-1: string descriptor 0 read error: -71 [ 25.712950][ T102] uvcvideo: Found UVC 0.00 device (0bd3:0555) [ 25.720000][ T102] uvcvideo 1-1:0.0: Entity type for entity Output 1 was not initialized! [ 25.728749][ T102] ------------[ cut here ]------------ [ 25.734186][ T102] kernel BUG at drivers/media/mc/mc-entity.c:666! [ 25.740621][ T102] invalid opcode: 0000 [#1] SMP KASAN [ 25.745985][ T102] CPU: 0 PID: 102 Comm: kworker/0:2 Not tainted 5.5.0-syzkaller #0 [ 25.753887][ T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.763926][ T102] Workqueue: usb_hub_wq hub_event [ 25.768929][ T102] RIP: 0010:media_create_pad_link+0x40f/0x530 [ 25.774970][ T102] Code: 83 45 3a 01 45 31 e4 e8 3f 0d 46 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 28 0d 46 fd 0f 0b e8 21 0d 46 fd <0f> 0b e8 1a 0d 46 fd 0f 0b e8 53 9c 6e fd e9 91 fc ff ff e8 49 9c [ 25.794549][ T102] RSP: 0018:ffff8881d4f6f048 EFLAGS: 00010293 [ 25.800584][ T102] RAX: ffff8881d4e99880 RBX: ffff8881cd47a070 RCX: ffffffff83f93b6b [ 25.808568][ T102] RDX: 0000000000000000 RSI: ffffffff83f93eff RDI: 0000000000000000 [ 25.816600][ T102] RBP: ffff8881cd47b870 R08: ffff8881d4e99880 R09: ffffed1039b62691 [ 25.824583][ T102] R10: ffffed1039b62690 R11: ffff8881cdb13483 R12: 0000000000000001 [ 25.832531][ T102] R13: 0000000000000001 R14: 0000000000000003 R15: 0000000000000000 [ 25.840480][ T102] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 25.849383][ T102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.855947][ T102] CR2: 00007f7cc8ca1000 CR3: 00000001ce707000 CR4: 00000000001406f0 [ 25.863903][ T102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.871850][ T102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.879796][ T102] Call Trace: [ 25.883065][ T102] uvc_mc_register_entities+0x468/0x77a [ 25.888587][ T102] uvc_probe.cold+0x205c/0x2a51 [ 25.893412][ T102] ? mark_lock+0xbc/0x1160 [ 25.897805][ T102] ? mark_lock+0xbc/0x1160 [ 25.902194][ T102] ? mark_held_locks+0x9f/0xe0 [ 25.906943][ T102] ? usb_probe_interface+0x310/0x800 [ 25.912219][ T102] usb_probe_interface+0x310/0x800 [ 25.917305][ T102] ? usb_probe_device+0x140/0x140 [ 25.922307][ T102] really_probe+0x290/0xac0 [ 25.926785][ T102] driver_probe_device+0x223/0x350 [ 25.931870][ T102] __device_attach_driver+0x1d1/0x290 [ 25.937218][ T102] ? driver_allows_async_probing+0x160/0x160 [ 25.943185][ T102] bus_for_each_drv+0x162/0x1e0 [ 25.948024][ T102] ? bus_rescan_devices+0x20/0x20 [ 25.953025][ T102] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.958808][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 25.964087][ T102] __device_attach+0x217/0x390 [ 25.968831][ T102] ? device_bind_driver+0xd0/0xd0 [ 25.973831][ T102] bus_probe_device+0x1e4/0x290 [ 25.978662][ T102] device_add+0x1459/0x1bf0 [ 25.983685][ T102] ? wait_for_completion+0x3c0/0x3c0 [ 25.988948][ T102] ? device_link_remove+0x110/0x110 [ 25.994121][ T102] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.999906][ T102] usb_set_configuration+0xe47/0x17d0 [ 26.005253][ T102] generic_probe+0x9d/0xd5 [ 26.009643][ T102] usb_probe_device+0xaf/0x140 [ 26.014395][ T102] ? usb_suspend+0x5f0/0x5f0 [ 26.018961][ T102] really_probe+0x290/0xac0 [ 26.023442][ T102] driver_probe_device+0x223/0x350 [ 26.028527][ T102] __device_attach_driver+0x1d1/0x290 [ 26.033886][ T102] ? driver_allows_async_probing+0x160/0x160 [ 26.039837][ T102] bus_for_each_drv+0x162/0x1e0 [ 26.044662][ T102] ? bus_rescan_devices+0x20/0x20 [ 26.049659][ T102] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.055450][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 26.060712][ T102] __device_attach+0x217/0x390 [ 26.065456][ T102] ? device_bind_driver+0xd0/0xd0 [ 26.070457][ T102] bus_probe_device+0x1e4/0x290 [ 26.075291][ T102] device_add+0x1459/0x1bf0 [ 26.079773][ T102] ? device_link_remove+0x110/0x110 [ 26.085448][ T102] usb_new_device.cold+0x540/0xcd0 [ 26.090536][ T102] hub_event+0x21cb/0x4300 [ 26.094928][ T102] ? hub_port_debounce+0x350/0x350 [ 26.100015][ T102] ? find_held_lock+0x2d/0x110 [ 26.104751][ T102] ? mark_held_locks+0xe0/0xe0 [ 26.109490][ T102] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.115009][ T102] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.120269][ T102] process_one_work+0x94b/0x1620 [ 26.125186][ T102] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.130545][ T102] ? do_raw_spin_lock+0x129/0x290 [ 26.135543][ T102] worker_thread+0x96/0xe20 [ 26.140027][ T102] ? process_one_work+0x1620/0x1620 [ 26.145251][ T102] kthread+0x318/0x420 [ 26.149347][ T102] ? kthread_create_on_node+0xf0/0xf0 [ 26.154750][ T102] ret_from_fork+0x24/0x30 [ 26.159143][ T102] Modules linked in: [ 26.163101][ T102] ---[ end trace 06fd974e1883fa40 ]--- [ 26.168604][ T102] RIP: 0010:media_create_pad_link+0x40f/0x530 [ 26.174650][ T102] Code: 83 45 3a 01 45 31 e4 e8 3f 0d 46 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 28 0d 46 fd 0f 0b e8 21 0d 46 fd <0f> 0b e8 1a 0d 46 fd 0f 0b e8 53 9c 6e fd e9 91 fc ff ff e8 49 9c [ 26.194379][ T102] RSP: 0018:ffff8881d4f6f048 EFLAGS: 00010293 [ 26.200494][ T102] RAX: ffff8881d4e99880 RBX: ffff8881cd47a070 RCX: ffffffff83f93b6b [ 26.208477][ T102] RDX: 0000000000000000 RSI: ffffffff83f93eff RDI: 0000000000000000 [ 26.216441][ T102] RBP: ffff8881cd47b870 R08: ffff8881d4e99880 R09: ffffed1039b62691 [ 26.224436][ T102] R10: ffffed1039b62690 R11: ffff8881cdb13483 R12: 0000000000000001 [ 26.232416][ T102] R13: 0000000000000001 R14: 0000000000000003 R15: 0000000000000000 [ 26.240408][ T102] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 26.249354][ T102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.255933][ T102] CR2: 00007f7cc8ca1000 CR3: 00000001ce707000 CR4: 00000000001406f0 [ 26.263991][ T102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.272055][ T102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.280039][ T102] Kernel panic - not syncing: Fatal exception [ 26.286708][ T102] Kernel Offset: disabled [ 26.291016][ T102] Rebooting in 86400 seconds..