[info] Using makefile-style concurrent boot in runlevel 2. [ 15.197017][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.461573][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 46.701526][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 46.821587][ T21] usb 1-1: config 0 has an invalid interface number: 19 but max is 0 [ 46.830025][ T21] usb 1-1: config 0 has no interface number 0 [ 46.836411][ T21] usb 1-1: New USB device found, idVendor=1618, idProduct=9116, bcdDevice=d9.66 [ 46.845854][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.855784][ T21] usb 1-1: config 0 descriptor?? [ 46.903530][ T21] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 47.291743][ T21] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 47.300058][ T21] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 47.307649][ T21] rsi_91x: rsi_probe: Failed in device init [ 47.314744][ T21] ------------[ cut here ]------------ [ 47.321303][ T21] ODEBUG: free active (active state 0) object type: timer_list hint: bl_cmd_timeout+0x0/0x40 [ 47.331969][ T21] WARNING: CPU: 1 PID: 21 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 [ 47.341395][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 47.348421][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 [ 47.356048][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.366209][ T21] Workqueue: usb_hub_wq hub_event [ 47.371710][ T21] Call Trace: [ 47.375000][ T21] dump_stack+0xca/0x13e [ 47.379257][ T21] ? debug_print_object+0xe0/0x250 [ 47.384474][ T21] panic+0x292/0x6c9 [ 47.388389][ T21] ? __warn_printk+0xf3/0xf3 [ 47.393065][ T21] ? debug_print_object+0x160/0x250 [ 47.398829][ T21] ? __probe_kernel_read+0x16c/0x1b0 [ 47.404836][ T21] ? __warn.cold+0x5/0x4b [ 47.409305][ T21] ? __warn+0xe4/0x1c0 [ 47.413606][ T21] ? debug_print_object+0x160/0x250 [ 47.419564][ T21] __warn.cold+0x20/0x4b [ 47.424381][ T21] ? debug_print_object+0x160/0x250 [ 47.429596][ T21] report_bug+0x262/0x2a0 [ 47.433928][ T21] do_error_trap+0x12b/0x1e0 [ 47.438511][ T21] ? debug_print_object+0x160/0x250 [ 47.443699][ T21] do_invalid_op+0x32/0x40 [ 47.448266][ T21] ? debug_print_object+0x160/0x250 [ 47.453891][ T21] invalid_op+0x14/0x20 [ 47.459060][ T21] RIP: 0010:debug_print_object+0x160/0x250 [ 47.465601][ T21] Code: dd e0 16 da 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 16 da 85 48 c7 c7 c0 0c da 85 e8 db c7 33 ff <0f> 0b 83 05 43 3c ce 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 47.487363][ T21] RSP: 0018:ffff8881d9eff0b8 EFLAGS: 00010082 [ 47.493735][ T21] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 47.503505][ T21] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3dfe09 [ 47.511815][ T21] RBP: 0000000000000001 R08: ffff8881d9e36000 R09: ffffed103b663ed7 [ 47.521747][ T21] R10: ffffed103b663ed6 R11: ffff8881db31f6b7 R12: ffffffff86f04760 [ 47.530990][ T21] R13: ffffffff812db3c0 R14: ffffffff8936a9a8 R15: ffff8881d2c63d60 [ 47.539716][ T21] ? calc_wheel_index+0x220/0x220 [ 47.544783][ T21] ? vprintk_func+0x7d/0x113 [ 47.550122][ T21] ? debug_print_object+0x160/0x250 [ 47.555931][ T21] debug_check_no_obj_freed+0x2a3/0x42e [ 47.561622][ T21] ? kfree+0xbc/0x280 [ 47.565603][ T21] ? rsi_probe+0xcec/0x15a0 [ 47.571297][ T21] kfree+0x101/0x280 [ 47.575637][ T21] rsi_probe+0xcec/0x15a0 [ 47.581925][ T21] ? __pm_runtime_set_status+0x5d5/0xa10 [ 47.588310][ T21] ? rsi_disconnect+0x630/0x630 [ 47.594246][ T21] ? lock_set_class+0x2c0/0x5f0 [ 47.599206][ T21] ? __pm_runtime_resume+0x111/0x180 [ 47.604983][ T21] usb_probe_interface+0x305/0x7a0 [ 47.611470][ T21] ? usb_probe_device+0x100/0x100 [ 47.618185][ T21] really_probe+0x281/0x660 [ 47.622827][ T21] driver_probe_device+0x104/0x210 [ 47.629002][ T21] __device_attach_driver+0x1c2/0x220 [ 47.634954][ T21] ? driver_allows_async_probing+0x160/0x160 [ 47.642581][ T21] bus_for_each_drv+0x15c/0x1e0 [ 47.647583][ T21] ? bus_rescan_devices+0x20/0x20 [ 47.652856][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.659004][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 47.664591][ T21] __device_attach+0x217/0x360 [ 47.669788][ T21] ? device_bind_driver+0xd0/0xd0 [ 47.675239][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 47.680821][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 47.686658][ T21] bus_probe_device+0x1e4/0x290 [ 47.692150][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.698241][ T21] device_add+0xae6/0x16f0 [ 47.702798][ T21] ? uevent_store+0x50/0x50 [ 47.707701][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.714578][ T21] usb_set_configuration+0xdf6/0x1670 [ 47.720577][ T21] generic_probe+0x9d/0xd5 [ 47.725405][ T21] usb_probe_device+0x99/0x100 [ 47.730685][ T21] ? usb_suspend+0x620/0x620 [ 47.735819][ T21] really_probe+0x281/0x660 [ 47.740531][ T21] driver_probe_device+0x104/0x210 [ 47.745655][ T21] __device_attach_driver+0x1c2/0x220 [ 47.751222][ T21] ? driver_allows_async_probing+0x160/0x160 [ 47.757502][ T21] bus_for_each_drv+0x15c/0x1e0 [ 47.762721][ T21] ? bus_rescan_devices+0x20/0x20 [ 47.768264][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.774552][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 47.781032][ T21] __device_attach+0x217/0x360 [ 47.786010][ T21] ? device_bind_driver+0xd0/0xd0 [ 47.791665][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 47.797693][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 47.803132][ T21] bus_probe_device+0x1e4/0x290 [ 47.808882][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.815087][ T21] device_add+0xae6/0x16f0 [ 47.819954][ T21] ? uevent_store+0x50/0x50 [ 47.824464][ T21] usb_new_device.cold+0x8c1/0x1016 [ 47.829974][ T21] ? usb_port_suspend+0xa40/0xa40 [ 47.835259][ T21] ? mark_held_locks+0x9f/0xe0 [ 47.842789][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 47.848772][ T21] hub_event+0x1ada/0x3590 [ 47.853520][ T21] ? hub_port_debounce+0x260/0x260 [ 47.859004][ T21] process_one_work+0x905/0x1570 [ 47.864399][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 47.870260][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 47.875299][ T21] worker_thread+0x96/0xe20 [ 47.879813][ T21] ? process_one_work+0x1570/0x1570 [ 47.885158][ T21] kthread+0x30b/0x410 [ 47.889781][ T21] ? kthread_park+0x1a0/0x1a0 [ 47.894869][ T21] ret_from_fork+0x24/0x30 [ 47.899849][ T21] [ 47.899852][ T21] ====================================================== [ 47.899854][ T21] WARNING: possible circular locking dependency detected [ 47.899856][ T21] 5.2.0-rc6+ #13 Not tainted [ 47.899859][ T21] ------------------------------------------------------ [ 47.899861][ T21] kworker/1:1/21 is trying to acquire lock: [ 47.899863][ T21] 0000000080331c49 ((console_sem).lock){-.-.}, at: down_trylock+0xe/0x60 [ 47.899869][ T21] [ 47.899871][ T21] but task is already holding lock: [ 47.899873][ T21] 00000000812c8e51 (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 47.899880][ T21] [ 47.899882][ T21] which lock already depends on the new lock. [ 47.899883][ T21] [ 47.899884][ T21] [ 47.899887][ T21] the existing dependency chain (in reverse order) is: [ 47.899888][ T21] [ 47.899889][ T21] -> #3 (&obj_hash[i].lock){-.-.}: [ 47.899895][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 47.899897][ T21] __debug_object_init+0xb7/0xac0 [ 47.899899][ T21] hrtimer_init+0x27/0x260 [ 47.899919][ T21] init_dl_task_timer+0x17/0x50 [ 47.899921][ T21] __sched_fork.isra.0+0x207/0x460 [ 47.899923][ T21] init_idle+0x6c/0x760 [ 47.899925][ T21] sched_init+0x91f/0x9bc [ 47.899927][ T21] start_kernel+0x347/0x81a [ 47.899928][ T21] secondary_startup_64+0xa4/0xb0 [ 47.899930][ T21] [ 47.899931][ T21] -> #2 (&rq->lock){-.-.}: [ 47.899937][ T21] _raw_spin_lock+0x27/0x40 [ 47.899939][ T21] task_fork_fair+0x37/0x550 [ 47.899940][ T21] sched_fork+0x3a4/0x8d0 [ 47.899942][ T21] copy_process.part.0+0x16c1/0x63a0 [ 47.899944][ T21] _do_fork+0x233/0xec0 [ 47.899946][ T21] kernel_thread+0x2f/0x40 [ 47.899948][ T21] rest_init+0x23/0x371 [ 47.899950][ T21] start_kernel+0x7e0/0x81a [ 47.899952][ T21] secondary_startup_64+0xa4/0xb0 [ 47.899953][ T21] [ 47.899954][ T21] -> #1 (&p->pi_lock){-.-.}: [ 47.899961][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 47.899963][ T21] try_to_wake_up+0x80/0x1410 [ 47.899964][ T21] up+0x92/0xe0 [ 47.899966][ T21] __up_console_sem+0x42/0x80 [ 47.899968][ T21] console_unlock+0x5ab/0xbf0 [ 47.899970][ T21] vprintk_emit+0x171/0x3e0 [ 47.899972][ T21] vprintk_func+0x75/0x113 [ 47.899973][ T21] printk+0xba/0xed [ 47.899975][ T21] do_exit.cold+0x148/0x230 [ 47.899977][ T21] do_group_exit+0x125/0x350 [ 47.899979][ T21] __x64_sys_exit_group+0x3a/0x50 [ 47.899981][ T21] do_syscall_64+0xb7/0x560 [ 47.899983][ T21] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.899984][ T21] [ 47.899985][ T21] -> #0 ((console_sem).lock){-.-.}: [ 47.899992][ T21] lock_acquire+0x100/0x2b0 [ 47.899994][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 47.899995][ T21] down_trylock+0xe/0x60 [ 47.899998][ T21] __down_trylock_console_sem+0x31/0xc0 [ 47.899999][ T21] console_trylock+0x12/0x90 [ 47.900001][ T21] vprintk_emit+0x158/0x3e0 [ 47.900003][ T21] vprintk_func+0x75/0x113 [ 47.900005][ T21] printk+0xba/0xed [ 47.900006][ T21] __warn_printk+0x9b/0xf3 [ 47.900008][ T21] debug_print_object+0x160/0x250 [ 47.900010][ T21] debug_check_no_obj_freed+0x2a3/0x42e [ 47.900012][ T21] kfree+0x101/0x280 [ 47.900014][ T21] rsi_probe+0xcec/0x15a0 [ 47.900022][ T21] usb_probe_interface+0x305/0x7a0 [ 47.900024][ T21] really_probe+0x281/0x660 [ 47.900026][ T21] driver_probe_device+0x104/0x210 [ 47.900028][ T21] __device_attach_driver+0x1c2/0x220 [ 47.900030][ T21] bus_for_each_drv+0x15c/0x1e0 [ 47.900032][ T21] __device_attach+0x217/0x360 [ 47.900034][ T21] bus_probe_device+0x1e4/0x290 [ 47.900036][ T21] device_add+0xae6/0x16f0 [ 47.900038][ T21] usb_set_configuration+0xdf6/0x1670 [ 47.900040][ T21] generic_probe+0x9d/0xd5 [ 47.900042][ T21] usb_probe_device+0x99/0x100 [ 47.900044][ T21] really_probe+0x281/0x660 [ 47.900046][ T21] driver_probe_device+0x104/0x210 [ 47.900048][ T21] __device_attach_driver+0x1c2/0x220 [ 47.900050][ T21] bus_for_each_drv+0x15c/0x1e0 [ 47.900054][ T21] __device_attach+0x217/0x360 [ 47.900056][ T21] bus_probe_device+0x1e4/0x290 [ 47.900057][ T21] device_add+0xae6/0x16f0 [ 47.900059][ T21] usb_new_device.cold+0x8c1/0x1016 [ 47.900061][ T21] hub_event+0x1ada/0x3590 [ 47.900063][ T21] process_one_work+0x905/0x1570 [ 47.900065][ T21] worker_thread+0x96/0xe20 [ 47.900067][ T21] kthread+0x30b/0x410 [ 47.900068][ T21] ret_from_fork+0x24/0x30 [ 47.900069][ T21] [ 47.900072][ T21] other info that might help us debug this: [ 47.900073][ T21] [ 47.900074][ T21] Chain exists of: [ 47.900075][ T21] (console_sem).lock --> &rq->lock --> &obj_hash[i].lock [ 47.900083][ T21] [ 47.900085][ T21] Possible unsafe locking scenario: [ 47.900086][ T21] [ 47.900088][ T21] CPU0 CPU1 [ 47.900090][ T21] ---- ---- [ 47.900091][ T21] lock(&obj_hash[i].lock); [ 47.900095][ T21] lock(&rq->lock); [ 47.900105][ T21] lock(&obj_hash[i].lock); [ 47.900108][ T21] lock((console_sem).lock); [ 47.900112][ T21] [ 47.900114][ T21] *** DEADLOCK *** [ 47.900115][ T21] [ 47.900116][ T21] 6 locks held by kworker/1:1/21: [ 47.900117][ T21] #0: 0000000036893c1b ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x81a/0x1570 [ 47.900126][ T21] #1: 00000000bfe73e32 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x84e/0x1570 [ 47.900134][ T21] #2: 000000001feb9abc (&dev->mutex){....}, at: hub_event+0x179/0x3590 [ 47.900141][ T21] #3: 0000000054ab1612 (&dev->mutex){....}, at: __device_attach+0x7b/0x360 [ 47.900149][ T21] #4: 00000000fc38e0af (&dev->mutex){....}, at: __device_attach+0x7b/0x360 [ 47.900157][ T21] #5: 00000000812c8e51 (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 47.900165][ T21] [ 47.900166][ T21] stack backtrace: [ 47.900169][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 [ 47.900172][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.900174][ T21] Workqueue: usb_hub_wq hub_event [ 47.900177][ T21] Call Trace: [ 47.900178][ T21] dump_stack+0xca/0x13e [ 47.900230][ T21] print_circular_bug.cold+0x1c4/0x282 [ 47.900232][ T21] __lock_acquire+0x3654/0x5340 [ 47.900234][ T21] ? mark_held_locks+0xe0/0xe0 [ 47.900240][ T21] ? enable_ptr_key_workfn+0x30/0x30 [ 47.900242][ T21] ? kvm_sched_clock_read+0x14/0x30 [ 47.900244][ T21] lock_acquire+0x100/0x2b0 [ 47.900246][ T21] ? down_trylock+0xe/0x60 [ 47.900247][ T21] ? vprintk_emit+0x158/0x3e0 [ 47.900249][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 47.900251][ T21] ? down_trylock+0xe/0x60 [ 47.900252][ T21] down_trylock+0xe/0x60 [ 47.900254][ T21] ? vprintk_emit+0x158/0x3e0 [ 47.900256][ T21] ? vprintk_emit+0x158/0x3e0 [ 47.900258][ T21] __down_trylock_console_sem+0x31/0xc0 [ 47.900260][ T21] console_trylock+0x12/0x90 [ 47.900261][ T21] vprintk_emit+0x158/0x3e0 [ 47.900263][ T21] ? calc_wheel_index+0x220/0x220 [ 47.900265][ T21] vprintk_func+0x75/0x113 [ 47.900266][ T21] printk+0xba/0xed [ 47.900268][ T21] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 47.900270][ T21] ? mark_held_locks+0xe0/0xe0 [ 47.900272][ T21] ? __device_attach+0x217/0x360 [ 47.900274][ T21] ? bus_probe_device+0x1e4/0x290 [ 47.900275][ T21] ? device_add+0xae6/0x16f0 [ 47.900277][ T21] ? usb_set_configuration+0xdf6/0x1670 [ 47.900279][ T21] ? generic_probe+0x9d/0xd5 [ 47.900281][ T21] ? really_probe+0x281/0x660 [ 47.900283][ T21] ? __warn_printk+0x8f/0xf3 [ 47.900284][ T21] ? rsi_mgmt_pkt_recv+0x1f40/0x1f40 [ 47.900286][ T21] __warn_printk+0x9b/0xf3 [ 47.900288][ T21] ? add_taint.cold+0x16/0x16 [ 47.900290][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 47.900291][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 47.900293][ T21] ? lock_acquire+0x100/0x2b0 [ 47.900295][ T21] ? rsi_mgmt_pkt_recv+0x1f40/0x1f40 [ 47.900297][ T21] debug_print_object+0x160/0x250 [ 47.900299][ T21] debug_check_no_obj_freed+0x2a3/0x42e [ 47.900300][ T21] ? kfree+0xbc/0x280 [ 47.900302][ T21] ? rsi_probe+0xcec/0x15a0 [ 47.900303][ T21] kfree+0x101/0x280 [ 47.900305][ T21] rsi_probe+0xcec/0x15a0 [ 47.900307][ T21] ? __pm_runtime_set_status+0x5d5/0xa10 [ 47.900309][ T21] ? rsi_disconnect+0x630/0x630 [ 47.900311][ T21] ? lock_set_class+0x2c0/0x5f0 [ 47.900312][ T21] ? __pm_runtime_resume+0x111/0x180 [ 47.900314][ T21] usb_probe_interface+0x305/0x7a0 [ 47.900316][ T21] ? usb_probe_device+0x100/0x100 [ 47.900318][ T21] really_probe+0x281/0x660 [ 47.900320][ T21] driver_probe_device+0x104/0x210 [ 47.900322][ T21] __device_attach_driver+0x1c2/0x220 [ 47.900324][ T21] ? driver_allows_async_probing+0x160/0x160 [ 47.900325][ T21] bus_for_each_drv+0x15c/0x1e0 [ 47.900327][ T21] ? bus_rescan_devices+0x20/0x20 [ 47.900344][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.900346][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 47.900347][ T21] __device_attach+0x217/0x360 [ 47.900349][ T21] ? device_bind_driver+0xd0/0xd0 [ 47.900351][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 47.900353][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 47.900355][ T21] bus_probe_device+0x1e4/0x290 [ 47.900357][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.900359][ T21] device_add+0xae6/0x16f0 [ 47.900360][ T21] ? uevent_store+0x50/0x50 [ 47.900362][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.900364][ T21] usb_set_configuration+0xdf6/0x1670 [ 47.900366][ T21] generic_probe+0x9d/0xd5 [ 47.900368][ T21] usb_probe_device+0x99/0x100 [ 47.900370][ T21] ? usb_suspend+0x620/0x620 [ 47.900371][ T21] really_probe+0x281/0x660 [ 47.900373][ T21] driver_probe_device+0x104/0x210 [ 47.900375][ T21] __device_attach_driver+0x1c2/0x220 [ 47.900377][ T21] ? driver_allows_async_probing+0x160/0x160 [ 47.900379][ T21] bus_for_each_drv+0x15c/0x1e0 [ 47.900381][ T21] ? bus_rescan_devices+0x20/0x20 [ 47.900383][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.900385][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 47.900387][ T21] __device_attach+0x217/0x360 [ 47.900388][ T21] ? device_bind_driver+0xd0/0xd0 [ 47.900390][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 47.900393][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 47.900394][ T21] bus_probe_device+0x1e4/0x290 [ 47.900396][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.900398][ T21] device_add+0xae6/0x16f0 [ 47.900400][ T21] ? uevent_store+0x50/0x50 [ 47.900402][ T21] usb_new_device.cold+0x8c1/0x1016 [ 47.900404][ T21] ? usb_port_suspend+0xa40/0xa40 [ 47.900405][ T21] ? mark_held_locks+0x9f/0xe0 [ 47.900407][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 47.900409][ T21] hub_event+0x1ada/0x3590 [ 47.900411][ T21] ? hub_port_debounce+0x260/0x260 [ 47.900412][ T21] process_one_work+0x905/0x1570 [ 47.900414][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 47.900416][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 47.900418][ T21] worker_thread+0x96/0xe20 [ 47.900420][ T21] ? process_one_work+0x1570/0x1570 [ 47.900421][ T21] kthread+0x30b/0x410 [ 47.900423][ T21] ? kthread_park+0x1a0/0x1a0 [ 47.900425][ T21] ret_from_fork+0x24/0x30 [ 47.901253][ T21] Kernel Offset: disabled [ 49.135993][ T21] Rebooting in 86400 seconds..