Warning: Permanently added '10.128.0.177' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.174286][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 59.414298][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 59.534370][ T12] usb 1-1: config 0 has an invalid interface number: 167 but max is 0 [ 59.543135][ T12] usb 1-1: config 0 has no interface number 0 [ 59.550241][ T12] usb 1-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice= 9.fc [ 59.562115][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.571822][ T12] usb 1-1: config 0 descriptor?? executing program [ 59.834469][ T12] usb 1-1: string descriptor 0 read error: -71 [ 59.841477][ T12] WARNING: CPU: 0 PID: 12 at kernel/workqueue.c:3031 __flush_work+0x93f/0xa80 [ 59.851643][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 59.858903][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc6+ #13 [ 59.866801][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.877492][ T12] Workqueue: usb_hub_wq hub_event [ 59.882754][ T12] Call Trace: [ 59.886336][ T12] dump_stack+0xca/0x13e [ 59.891316][ T12] ? __flush_work+0x840/0xa80 [ 59.896432][ T12] panic+0x292/0x6c9 [ 59.901026][ T12] ? __warn_printk+0xf3/0xf3 [ 59.906418][ T12] ? __flush_work+0x93f/0xa80 [ 59.911661][ T12] ? __probe_kernel_read+0x16c/0x1b0 [ 59.917308][ T12] ? __warn.cold+0x5/0x4b [ 59.921808][ T12] ? __warn+0xe4/0x1c0 [ 59.926173][ T12] ? __flush_work+0x93f/0xa80 [ 59.931602][ T12] __warn.cold+0x20/0x4b [ 59.936041][ T12] ? __flush_work+0x93f/0xa80 [ 59.941389][ T12] report_bug+0x262/0x2a0 [ 59.946079][ T12] do_error_trap+0x12b/0x1e0 [ 59.951128][ T12] ? __flush_work+0x93f/0xa80 [ 59.956431][ T12] do_invalid_op+0x32/0x40 [ 59.961816][ T12] ? __flush_work+0x93f/0xa80 [ 59.967161][ T12] invalid_op+0x14/0x20 [ 59.971773][ T12] RIP: 0010:__flush_work+0x93f/0xa80 [ 59.977532][ T12] Code: e8 d6 4f 23 00 48 c7 c2 c9 8b 19 81 be 01 00 00 00 45 31 e4 48 c7 c7 a0 83 ef 86 e8 6b 4d 0b 00 e9 d9 fb ff ff e8 b1 4f 23 00 <0f> 0b 45 31 e4 e9 ca fb ff ff e8 a2 4f 23 00 e8 0d 08 12 00 31 ff [ 59.998061][ T12] RSP: 0018:ffff8881d9e0ed98 EFLAGS: 00010293 [ 60.004748][ T12] RAX: ffff8881d9df9800 RBX: ffff8881d0e45ab0 RCX: dffffc0000000000 [ 60.013364][ T12] RDX: 0000000000000000 RSI: ffffffff81198bff RDI: 0000000000000001 [ 60.021697][ T12] RBP: ffff8881d9e0ef00 R08: ffff8881d9df9800 R09: 0000000000000000 [ 60.030556][ T12] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 60.039300][ T12] R13: 0000000000000001 R14: 0000000000000293 R15: ffff8881d0e45ac8 [ 60.047852][ T12] ? __flush_work+0x93f/0xa80 [ 60.053376][ T12] ? __flush_work+0x93f/0xa80 [ 60.058567][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.064504][ T12] ? wq_pool_ids_show+0x310/0x310 [ 60.069815][ T12] ? save_stack+0x4c/0x80 [ 60.074637][ T12] ? save_stack+0x1b/0x80 [ 60.079711][ T12] ? __kasan_slab_free+0x130/0x180 [ 60.085469][ T12] ? kfree+0xd7/0x280 [ 60.089450][ T12] ? usb_string+0x379/0x450 [ 60.093945][ T12] ? uvc_probe+0x4c05/0x64e4 [ 60.099058][ T12] ? usb_probe_interface+0x305/0x7a0 [ 60.105680][ T12] ? really_probe+0x281/0x660 [ 60.110746][ T12] ? driver_probe_device+0x104/0x210 [ 60.116631][ T12] ? __device_attach_driver+0x1c2/0x220 [ 60.122672][ T12] ? bus_for_each_drv+0x15c/0x1e0 [ 60.128064][ T12] ? __device_attach+0x217/0x360 [ 60.133841][ T12] ? bus_probe_device+0x1e4/0x290 [ 60.139547][ T12] ? device_add+0xae6/0x16f0 [ 60.144472][ T12] ? mark_held_locks+0x9f/0xe0 [ 60.150004][ T12] __cancel_work_timer+0x312/0x440 [ 60.155511][ T12] ? work_on_cpu_safe+0x70/0x70 [ 60.160882][ T12] ? _cond_resched+0x10/0x20 [ 60.166126][ T12] ? usb_kill_urb+0x198/0x2c0 [ 60.171607][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.176900][ T12] ? usb_poison_anchored_urbs+0x150/0x150 [ 60.183869][ T12] uvc_ctrl_cleanup_device+0x22/0x483 [ 60.190257][ T12] ? uvc_delete+0x21/0x2f0 [ 60.195106][ T12] ? rcu_read_lock_sched_held+0x113/0x130 [ 60.201453][ T12] uvc_delete+0x29/0x2f0 [ 60.206418][ T12] uvc_probe+0xf95/0x64e4 [ 60.210892][ T12] ? mark_held_locks+0xe0/0xe0 [ 60.216028][ T12] ? __pm_runtime_set_status+0x702/0xa10 [ 60.222056][ T12] ? pm_runtime_enable+0x2a/0x310 [ 60.227167][ T12] ? usb_probe_interface+0x580/0x7a0 [ 60.233182][ T12] ? pm_runtime_enable+0x2a/0x310 [ 60.238462][ T12] ? mark_held_locks+0x9f/0xe0 [ 60.243871][ T12] ? usb_probe_interface+0x305/0x7a0 [ 60.249544][ T12] usb_probe_interface+0x305/0x7a0 [ 60.254825][ T12] ? usb_probe_device+0x100/0x100 [ 60.261109][ T12] really_probe+0x281/0x660 [ 60.266283][ T12] driver_probe_device+0x104/0x210 [ 60.271857][ T12] __device_attach_driver+0x1c2/0x220 [ 60.277711][ T12] ? driver_allows_async_probing+0x160/0x160 [ 60.284106][ T12] bus_for_each_drv+0x15c/0x1e0 [ 60.289628][ T12] ? bus_rescan_devices+0x20/0x20 [ 60.294991][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.300803][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.306712][ T12] __device_attach+0x217/0x360 [ 60.312151][ T12] ? device_bind_driver+0xd0/0xd0 [ 60.317514][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 60.323423][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 60.329061][ T12] bus_probe_device+0x1e4/0x290 [ 60.334269][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 60.341341][ T12] device_add+0xae6/0x16f0 [ 60.345977][ T12] ? uevent_store+0x50/0x50 [ 60.350650][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.356738][ T12] usb_set_configuration+0xdf6/0x1670 [ 60.362439][ T12] generic_probe+0x9d/0xd5 [ 60.367105][ T12] usb_probe_device+0x99/0x100 [ 60.371996][ T12] ? usb_suspend+0x620/0x620 [ 60.376806][ T12] really_probe+0x281/0x660 [ 60.382061][ T12] driver_probe_device+0x104/0x210 [ 60.387662][ T12] __device_attach_driver+0x1c2/0x220 [ 60.393411][ T12] ? driver_allows_async_probing+0x160/0x160 [ 60.399516][ T12] bus_for_each_drv+0x15c/0x1e0 [ 60.404539][ T12] ? bus_rescan_devices+0x20/0x20 [ 60.409854][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 60.416572][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 60.421958][ T12] __device_attach+0x217/0x360 [ 60.426819][ T12] ? device_bind_driver+0xd0/0xd0 [ 60.432094][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 60.437785][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 60.443286][ T12] bus_probe_device+0x1e4/0x290 [ 60.448578][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 60.454700][ T12] device_add+0xae6/0x16f0 [ 60.459498][ T12] ? uevent_store+0x50/0x50 [ 60.464274][ T12] usb_new_device.cold+0x8c1/0x1016 [ 60.470232][ T12] ? usb_port_suspend+0xa40/0xa40 [ 60.476435][ T12] ? mark_held_locks+0x9f/0xe0 [ 60.482027][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 60.487780][ T12] hub_event+0x1ada/0x3590 [ 60.492469][ T12] ? hub_port_debounce+0x260/0x260 [ 60.497999][ T12] process_one_work+0x905/0x1570 [ 60.503579][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.509245][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 60.514701][ T12] worker_thread+0x96/0xe20 [ 60.519777][ T12] ? process_one_work+0x1570/0x1570 [ 60.525507][ T12] kthread+0x30b/0x410 [ 60.529768][ T12] ? kthread_park+0x1a0/0x1a0 [ 60.534685][ T12] ret_from_fork+0x24/0x30 [ 60.540496][ T12] Kernel Offset: disabled [ 60.545088][ T12] Rebooting in 86400 seconds..