Warning: Permanently added '10.128.0.148' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.227029][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.587128][ T22] usb 1-1: config 0 has an invalid interface number: 236 but max is 0 [ 52.595357][ T22] usb 1-1: config 0 has no interface number 0 [ 52.601575][ T22] usb 1-1: config 0 interface 236 altsetting 0 endpoint 0x7 has invalid maxpacket 255, setting to 64 [ 52.612495][ T22] usb 1-1: config 0 interface 236 altsetting 0 has an invalid endpoint descriptor of length 2, skipping [ 52.623683][ T22] usb 1-1: config 0 interface 236 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 52.634295][ T22] usb 1-1: config 0 interface 236 altsetting 0 has a duplicate endpoint with address 0xF, skipping [ 52.645060][ T22] usb 1-1: config 0 interface 236 altsetting 0 has 6 endpoint descriptors, different from the interface descriptor's value: 5 [ 52.658115][ T22] usb 1-1: New USB device found, idVendor=0ac8, idProduct=3410, bcdDevice=55.ff [ 52.667284][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 52.676678][ T22] usb 1-1: config 0 descriptor?? [ 52.719038][ T22] WARNING: CPU: 1 PID: 22 at kernel/workqueue.c:3031 __flush_work+0x93f/0xa80 [ 52.727956][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 52.734797][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #14 [ 52.742330][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.752369][ T22] Workqueue: usb_hub_wq hub_event [ 52.757366][ T22] Call Trace: [ 52.760632][ T22] dump_stack+0xca/0x13e [ 52.764848][ T22] ? __flush_work+0x840/0xa80 [ 52.769501][ T22] panic+0x292/0x6c9 [ 52.773375][ T22] ? __warn_printk+0xf3/0xf3 [ 52.777945][ T22] ? __flush_work+0x93f/0xa80 [ 52.782602][ T22] ? __probe_kernel_read+0x16c/0x1b0 [ 52.787864][ T22] ? __warn.cold+0x5/0x4b [ 52.792163][ T22] ? __warn+0xe4/0x1c0 [ 52.796213][ T22] ? __flush_work+0x93f/0xa80 [ 52.800865][ T22] __warn.cold+0x20/0x4b [ 52.805084][ T22] ? __flush_work+0x93f/0xa80 [ 52.809735][ T22] report_bug+0x262/0x2a0 [ 52.814042][ T22] do_error_trap+0x12b/0x1e0 [ 52.818649][ T22] ? __flush_work+0x93f/0xa80 [ 52.823304][ T22] do_invalid_op+0x32/0x40 [ 52.827749][ T22] ? __flush_work+0x93f/0xa80 [ 52.832410][ T22] invalid_op+0x14/0x20 [ 52.836543][ T22] RIP: 0010:__flush_work+0x93f/0xa80 [ 52.841843][ T22] 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 [ 52.861440][ T22] RSP: 0018:ffff8881d9f96d98 EFLAGS: 00010293 [ 52.867481][ T22] RAX: ffff8881d9f88000 RBX: ffff8881d0a06330 RCX: dffffc0000000000 [ 52.875426][ T22] RDX: 0000000000000000 RSI: ffffffff81198bff RDI: 0000000000000001 [ 52.883371][ T22] RBP: ffff8881d9f96f00 R08: ffff8881d9f88000 R09: 0000000000000000 [ 52.891497][ T22] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 52.899445][ T22] R13: 0000000000000001 R14: 0000000000000293 R15: ffff8881d0a06348 [ 52.907400][ T22] ? __flush_work+0x93f/0xa80 [ 52.912056][ T22] ? __flush_work+0x93f/0xa80 [ 52.916705][ T22] ? wq_pool_ids_show+0x310/0x310 [ 52.921702][ T22] ? number+0x82a/0xb00 [ 52.925872][ T22] ? skip_atoi+0xab/0xe0 [ 52.930098][ T22] ? put_dec+0xd0/0xd0 [ 52.934149][ T22] ? format_decode+0x230/0xad0 [ 52.938891][ T22] ? mark_held_locks+0x9f/0xe0 [ 52.943631][ T22] __cancel_work_timer+0x312/0x440 [ 52.948718][ T22] ? work_on_cpu_safe+0x70/0x70 [ 52.953544][ T22] ? _cond_resched+0x10/0x20 [ 52.958108][ T22] ? usb_kill_urb+0x198/0x2c0 [ 52.962757][ T22] ? usb_poison_anchored_urbs+0x150/0x150 [ 52.968456][ T22] uvc_ctrl_cleanup_device+0x22/0x483 [ 52.973846][ T22] ? uvc_delete+0x21/0x2f0 [ 52.978245][ T22] ? rcu_read_lock_sched_held+0x113/0x130 [ 52.983937][ T22] uvc_delete+0x29/0x2f0 [ 52.988152][ T22] uvc_probe+0xf95/0x64e4 [ 52.992460][ T22] ? mark_held_locks+0xe0/0xe0 [ 52.997200][ T22] ? __pm_runtime_set_status+0x702/0xa10 [ 53.002805][ T22] ? pm_runtime_enable+0x2a/0x310 [ 53.007834][ T22] ? usb_probe_interface+0x580/0x7a0 [ 53.013102][ T22] ? pm_runtime_enable+0x2a/0x310 [ 53.018098][ T22] ? mark_held_locks+0x9f/0xe0 [ 53.022831][ T22] ? usb_probe_interface+0x305/0x7a0 [ 53.028216][ T22] usb_probe_interface+0x305/0x7a0 [ 53.033301][ T22] ? usb_probe_device+0x100/0x100 [ 53.038300][ T22] really_probe+0x281/0x660 [ 53.042777][ T22] driver_probe_device+0x104/0x210 [ 53.047861][ T22] __device_attach_driver+0x1c2/0x220 [ 53.053206][ T22] ? driver_allows_async_probing+0x160/0x160 [ 53.059159][ T22] bus_for_each_drv+0x15c/0x1e0 [ 53.063982][ T22] ? bus_rescan_devices+0x20/0x20 [ 53.068983][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.074757][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 53.080013][ T22] __device_attach+0x217/0x360 [ 53.084806][ T22] ? device_bind_driver+0xd0/0xd0 [ 53.089878][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 53.095139][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 53.100398][ T22] bus_probe_device+0x1e4/0x290 [ 53.105221][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.111088][ T22] device_add+0xae6/0x16f0 [ 53.115481][ T22] ? uevent_store+0x50/0x50 [ 53.119975][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.125760][ T22] usb_set_configuration+0xdf6/0x1670 [ 53.131105][ T22] generic_probe+0x9d/0xd5 [ 53.135573][ T22] usb_probe_device+0x99/0x100 [ 53.140318][ T22] ? usb_suspend+0x620/0x620 [ 53.144880][ T22] really_probe+0x281/0x660 [ 53.149360][ T22] driver_probe_device+0x104/0x210 [ 53.154441][ T22] __device_attach_driver+0x1c2/0x220 [ 53.159826][ T22] ? driver_allows_async_probing+0x160/0x160 [ 53.165785][ T22] bus_for_each_drv+0x15c/0x1e0 [ 53.170612][ T22] ? bus_rescan_devices+0x20/0x20 [ 53.175606][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.181386][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 53.186649][ T22] __device_attach+0x217/0x360 [ 53.191388][ T22] ? device_bind_driver+0xd0/0xd0 [ 53.196383][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 53.201657][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 53.206910][ T22] bus_probe_device+0x1e4/0x290 [ 53.211739][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.217648][ T22] device_add+0xae6/0x16f0 [ 53.222047][ T22] ? uevent_store+0x50/0x50 [ 53.226522][ T22] usb_new_device.cold+0x8c1/0x1016 [ 53.231706][ T22] ? usb_port_suspend+0xa40/0xa40 [ 53.236713][ T22] ? mark_held_locks+0x9f/0xe0 [ 53.241459][ T22] ? _raw_spin_unlock_irq+0x24/0x30 [ 53.246623][ T22] hub_event+0x1b3d/0x35f0 [ 53.251035][ T22] ? hub_port_debounce+0x260/0x260 [ 53.256166][ T22] process_one_work+0x905/0x1570 [ 53.261087][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 53.266430][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 53.271440][ T22] worker_thread+0x96/0xe20 [ 53.275915][ T22] ? process_one_work+0x1570/0x1570 [ 53.281132][ T22] kthread+0x30b/0x410 [ 53.285180][ T22] ? kthread_park+0x1a0/0x1a0 [ 53.289829][ T22] ret_from_fork+0x24/0x30 [ 53.294609][ T22] Kernel Offset: disabled [ 53.298963][ T22] Rebooting in 86400 seconds..