Warning: Permanently added '10.128.0.92' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.223475][ T21] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 38.583517][ T21] usb 1-1: config 0 has an invalid interface number: 91 but max is 0 [ 38.591813][ T21] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 38.601943][ T21] usb 1-1: config 0 has no interface number 0 [ 38.608109][ T21] usb 1-1: config 0 interface 91 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 38.618177][ T21] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=e4.81 [ 38.627253][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.636598][ T21] usb 1-1: config 0 descriptor?? executing program [ 38.913554][ T21] usb 1-1: string descriptor 0 read error: -71 [ 38.924251][ T21] ------------[ cut here ]------------ [ 38.929851][ T21] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 38.936017][ T21] WARNING: CPU: 1 PID: 21 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 38.945479][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 38.952174][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 [ 38.959636][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.969699][ T21] Workqueue: usb_hub_wq hub_event [ 38.974712][ T21] Call Trace: [ 38.977997][ T21] dump_stack+0xca/0x13e [ 38.982244][ T21] ? usb_submit_urb+0x1130/0x13b0 [ 38.987270][ T21] panic+0x292/0x6c9 [ 38.991274][ T21] ? __warn_printk+0xf3/0xf3 [ 38.995865][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 39.000907][ T21] ? __probe_kernel_read+0x16c/0x1b0 [ 39.006821][ T21] ? __warn.cold+0x5/0x4b [ 39.011147][ T21] ? __warn+0xe4/0x1c0 [ 39.015214][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 39.020250][ T21] __warn.cold+0x20/0x4b [ 39.024496][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 39.029519][ T21] report_bug+0x262/0x2a0 [ 39.033878][ T21] do_error_trap+0x12b/0x1e0 [ 39.038480][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 39.043502][ T21] do_invalid_op+0x32/0x40 [ 39.047943][ T21] ? usb_submit_urb+0x1188/0x13b0 [ 39.052968][ T21] invalid_op+0x14/0x20 [ 39.057124][ T21] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 39.062754][ T21] Code: 4d 85 ed 74 2c e8 78 db e8 fd 4c 89 f7 e8 a0 36 13 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 23 1a 86 e8 03 a0 be fd <0f> 0b e9 20 f4 ff ff e8 4c db e8 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 39.082348][ T21] RSP: 0018:ffff8881d9eff140 EFLAGS: 00010282 [ 39.088409][ T21] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.096375][ T21] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3dfe1a [ 39.104371][ T21] RBP: ffff8881d1450700 R08: ffff8881d9e36000 R09: 0000000000000000 [ 39.112343][ T21] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 39.120307][ T21] R13: ffff8881d7f83a08 R14: ffff8881d0c5d5a0 R15: ffff8881d56ed200 [ 39.128433][ T21] ? vprintk_func+0x7d/0x113 [ 39.133021][ T21] ? refcount_inc_checked+0x3/0x60 [ 39.138135][ T21] mcba_usb_probe+0x83a/0xbca [ 39.142935][ T21] ? mcba_set_termination+0x100/0x100 [ 39.148306][ T21] ? rpm_callback+0x230/0x230 [ 39.153236][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 39.158524][ T21] ? __pm_runtime_resume+0x111/0x180 [ 39.163836][ T21] usb_probe_interface+0x305/0x7a0 [ 39.169031][ T21] ? usb_probe_device+0x100/0x100 [ 39.174065][ T21] really_probe+0x281/0x660 [ 39.179241][ T21] driver_probe_device+0x104/0x210 [ 39.184368][ T21] __device_attach_driver+0x1c2/0x220 [ 39.189743][ T21] ? driver_allows_async_probing+0x160/0x160 [ 39.195729][ T21] bus_for_each_drv+0x15c/0x1e0 [ 39.200838][ T21] ? bus_rescan_devices+0x20/0x20 [ 39.205859][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.211790][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 39.217078][ T21] __device_attach+0x217/0x360 [ 39.221839][ T21] ? device_bind_driver+0xd0/0xd0 [ 39.226860][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 39.232141][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 39.237421][ T21] bus_probe_device+0x1e4/0x290 [ 39.242271][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.248642][ T21] device_add+0xae6/0x16f0 [ 39.253265][ T21] ? uevent_store+0x50/0x50 [ 39.257808][ T21] usb_set_configuration+0xdf6/0x1670 [ 39.263180][ T21] generic_probe+0x9d/0xd5 [ 39.267597][ T21] usb_probe_device+0x99/0x100 [ 39.272362][ T21] ? usb_suspend+0x620/0x620 [ 39.276948][ T21] really_probe+0x281/0x660 [ 39.281448][ T21] driver_probe_device+0x104/0x210 [ 39.286720][ T21] __device_attach_driver+0x1c2/0x220 [ 39.292095][ T21] ? driver_allows_async_probing+0x160/0x160 [ 39.298159][ T21] bus_for_each_drv+0x15c/0x1e0 [ 39.303010][ T21] ? bus_rescan_devices+0x20/0x20 [ 39.308054][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.313858][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 39.319146][ T21] __device_attach+0x217/0x360 [ 39.323914][ T21] ? device_bind_driver+0xd0/0xd0 [ 39.328940][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 39.334247][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 39.339573][ T21] bus_probe_device+0x1e4/0x290 [ 39.344439][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.350341][ T21] device_add+0xae6/0x16f0 [ 39.354760][ T21] ? uevent_store+0x50/0x50 [ 39.359350][ T21] usb_new_device.cold+0x8c1/0x1016 [ 39.364818][ T21] ? usb_port_suspend+0xa40/0xa40 [ 39.369840][ T21] ? mark_held_locks+0x9f/0xe0 [ 39.374603][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 39.379831][ T21] hub_event+0x1ada/0x3590 [ 39.384281][ T21] ? hub_port_debounce+0x260/0x260 [ 39.389594][ T21] process_one_work+0x905/0x1570 [ 39.394554][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.399937][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 39.404960][ T21] worker_thread+0x96/0xe20 [ 39.409464][ T21] ? process_one_work+0x1570/0x1570 [ 39.414658][ T21] kthread+0x30b/0x410 [ 39.418728][ T21] ? kthread_park+0x1a0/0x1a0 [ 39.423415][ T21] ret_from_fork+0x24/0x30 [ 39.428469][ T21] Kernel Offset: disabled [ 39.432861][ T21] Rebooting in 86400 seconds..