[info] Using makefile-style concurrent boot in runlevel 2. [....] 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. [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.546863][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 43.786862][ T21] usb 1-1: Using ep0 maxpacket: 8 [ 43.906953][ T21] usb 1-1: config 0 has an invalid interface number: 235 but max is 0 [ 43.915217][ T21] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 43.925507][ T21] usb 1-1: config 0 has no interface number 0 [ 43.931913][ T21] usb 1-1: config 0 interface 235 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 0 [ 43.941916][ T21] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=19.d3 [ 43.951129][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 43.960591][ T21] usb 1-1: config 0 descriptor?? [ 44.008487][ T21] rsi_91x: rsi_probe: Initialized os intf ops tun: can't open /dev/net/tun: please enable CONFIG_TUN=y otherwise fuzzing or reproducing might not work as intended [ 44.446946][ T21] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 44.455108][ T21] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 44.462595][ T21] rsi_91x: rsi_probe: Failed in device init [ 44.469943][ T21] ------------[ cut here ]------------ [ 44.476500][ T21] ODEBUG: free active (active state 0) object type: timer_list hint: bl_cmd_timeout+0x0/0x40 [ 44.486769][ T21] WARNING: CPU: 1 PID: 21 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 [ 44.496539][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 44.503493][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #14 [ 44.511121][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.521415][ T21] Workqueue: usb_hub_wq hub_event [ 44.526451][ T21] Call Trace: [ 44.529749][ T21] dump_stack+0xca/0x13e [ 44.534456][ T21] ? debug_print_object+0xe0/0x250 [ 44.540106][ T21] panic+0x292/0x6c9 [ 44.544351][ T21] ? __warn_printk+0xf3/0xf3 [ 44.549232][ T21] ? debug_print_object+0x160/0x250 [ 44.554582][ T21] ? __probe_kernel_read+0x16c/0x1b0 [ 44.559902][ T21] ? __warn.cold+0x5/0x4b [ 44.564462][ T21] ? __warn+0xe4/0x1c0 [ 44.568602][ T21] ? debug_print_object+0x160/0x250 [ 44.573977][ T21] __warn.cold+0x20/0x4b [ 44.578271][ T21] ? debug_print_object+0x160/0x250 [ 44.583630][ T21] report_bug+0x262/0x2a0 [ 44.587958][ T21] do_error_trap+0x12b/0x1e0 [ 44.592666][ T21] ? debug_print_object+0x160/0x250 [ 44.598528][ T21] do_invalid_op+0x32/0x40 [ 44.603035][ T21] ? debug_print_object+0x160/0x250 [ 44.608327][ T21] invalid_op+0x14/0x20 [ 44.613834][ T21] RIP: 0010:debug_print_object+0x160/0x250 [ 44.620007][ 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 c3 3b ce 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 44.640696][ T21] RSP: 0018:ffff8881d9eff0b8 EFLAGS: 00010082 [ 44.647523][ T21] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 44.656336][ T21] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3dfe09 [ 44.664969][ T21] RBP: 0000000000000001 R08: ffff8881d9e36000 R09: ffffed103b663ed7 [ 44.674355][ T21] R10: ffffed103b663ed6 R11: ffff8881db31f6b7 R12: ffffffff86f04760 [ 44.682765][ T21] R13: ffffffff812db3c0 R14: ffffffff893b57e8 R15: ffff8881cff456e0 [ 44.690864][ T21] ? calc_wheel_index+0x220/0x220 [ 44.695969][ T21] ? vprintk_func+0x7d/0x113 [ 44.700642][ T21] ? debug_print_object+0x160/0x250 [ 44.705875][ T21] debug_check_no_obj_freed+0x2a3/0x42e [ 44.711518][ T21] ? kfree+0xbc/0x280 [ 44.715599][ T21] ? rsi_probe+0xcec/0x15a0 [ 44.720101][ T21] kfree+0x101/0x280 [ 44.724058][ T21] rsi_probe+0xcec/0x15a0 [ 44.728659][ T21] ? rsi_disconnect+0x630/0x630 [ 44.733659][ T21] ? lock_set_class+0x2c0/0x5f0 [ 44.738551][ T21] ? __pm_runtime_resume+0x111/0x180 [ 44.744418][ T21] usb_probe_interface+0x305/0x7a0 [ 44.749571][ T21] ? usb_probe_device+0x100/0x100 [ 44.754680][ T21] really_probe+0x281/0x660 [ 44.759170][ T21] driver_probe_device+0x104/0x210 [ 44.764339][ T21] __device_attach_driver+0x1c2/0x220 [ 44.769844][ T21] ? driver_allows_async_probing+0x160/0x160 [ 44.776044][ T21] bus_for_each_drv+0x15c/0x1e0 [ 44.780887][ T21] ? bus_rescan_devices+0x20/0x20 [ 44.786163][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 44.792513][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 44.797929][ T21] __device_attach+0x217/0x360 [ 44.802785][ T21] ? device_bind_driver+0xd0/0xd0 [ 44.807933][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 44.813216][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 44.818495][ T21] bus_probe_device+0x1e4/0x290 [ 44.823789][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 44.830158][ T21] device_add+0xae6/0x16f0 [ 44.834588][ T21] ? uevent_store+0x50/0x50 [ 44.839096][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 44.844997][ T21] usb_set_configuration+0xdf6/0x1670 [ 44.850433][ T21] generic_probe+0x9d/0xd5 [ 44.855171][ T21] usb_probe_device+0x99/0x100 [ 44.859976][ T21] ? usb_suspend+0x620/0x620 [ 44.864679][ T21] really_probe+0x281/0x660 [ 44.869287][ T21] driver_probe_device+0x104/0x210 [ 44.874624][ T21] __device_attach_driver+0x1c2/0x220 [ 44.880005][ T21] ? driver_allows_async_probing+0x160/0x160 [ 44.886179][ T21] bus_for_each_drv+0x15c/0x1e0 [ 44.891038][ T21] ? bus_rescan_devices+0x20/0x20 [ 44.896236][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 44.902503][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 44.907793][ T21] __device_attach+0x217/0x360 [ 44.912993][ T21] ? device_bind_driver+0xd0/0xd0 [ 44.918058][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 44.923405][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 44.928708][ T21] bus_probe_device+0x1e4/0x290 [ 44.933562][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 44.939630][ T21] device_add+0xae6/0x16f0 [ 44.944247][ T21] ? uevent_store+0x50/0x50 [ 44.948923][ T21] usb_new_device.cold+0x8c1/0x1016 [ 44.954310][ T21] ? usb_port_suspend+0xa40/0xa40 [ 44.959472][ T21] ? mark_held_locks+0x9f/0xe0 [ 44.964244][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 44.969673][ T21] hub_event+0x1b3d/0x35f0 [ 44.974232][ T21] ? hub_port_debounce+0x260/0x260 [ 44.979405][ T21] process_one_work+0x905/0x1570 [ 44.984356][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 44.989953][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 44.994989][ T21] worker_thread+0x96/0xe20 [ 44.999537][ T21] ? process_one_work+0x1570/0x1570 [ 45.004749][ T21] kthread+0x30b/0x410 [ 45.008821][ T21] ? kthread_park+0x1a0/0x1a0 [ 45.013542][ T21] ret_from_fork+0x24/0x30 [ 45.018005][ T21] [ 45.018009][ T21] ====================================================== [ 45.018012][ T21] WARNING: possible circular locking dependency detected [ 45.018014][ T21] 5.2.0-rc6+ #14 Not tainted [ 45.018016][ T21] ------------------------------------------------------ [ 45.018019][ T21] kworker/1:1/21 is trying to acquire lock: [ 45.018020][ T21] 00000000ac9477e5 ((console_sem).lock){-.-.}, at: down_trylock+0xe/0x60 [ 45.018028][ T21] [ 45.018030][ T21] but task is already holding lock: [ 45.018031][ T21] 000000005502245b (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 45.018038][ T21] [ 45.018041][ T21] which lock already depends on the new lock. [ 45.018042][ T21] [ 45.018043][ T21] [ 45.018045][ T21] the existing dependency chain (in reverse order) is: [ 45.018065][ T21] [ 45.018066][ T21] -> #3 (&obj_hash[i].lock){-.-.}: [ 45.018073][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 45.018075][ T21] __debug_object_init+0xb7/0xac0 [ 45.018077][ T21] hrtimer_init+0x27/0x260 [ 45.018079][ T21] init_dl_task_timer+0x17/0x50 [ 45.018081][ T21] __sched_fork.isra.0+0x207/0x460 [ 45.018083][ T21] init_idle+0x6c/0x760 [ 45.018085][ T21] sched_init+0x91f/0x9bc [ 45.018087][ T21] start_kernel+0x347/0x81a [ 45.018089][ T21] secondary_startup_64+0xa4/0xb0 [ 45.018090][ T21] [ 45.018091][ T21] -> #2 (&rq->lock){-.-.}: [ 45.018097][ T21] _raw_spin_lock+0x27/0x40 [ 45.018099][ T21] task_fork_fair+0x37/0x550 [ 45.018101][ T21] sched_fork+0x3a4/0x8d0 [ 45.018103][ T21] copy_process.part.0+0x16c1/0x63a0 [ 45.018105][ T21] _do_fork+0x233/0xec0 [ 45.018107][ T21] kernel_thread+0x2f/0x40 [ 45.018109][ T21] rest_init+0x23/0x371 [ 45.018111][ T21] start_kernel+0x7e0/0x81a [ 45.018113][ T21] secondary_startup_64+0xa4/0xb0 [ 45.018114][ T21] [ 45.018115][ T21] -> #1 (&p->pi_lock){-.-.}: [ 45.018122][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 45.018124][ T21] try_to_wake_up+0x80/0x1410 [ 45.018125][ T21] up+0x92/0xe0 [ 45.018127][ T21] __up_console_sem+0x42/0x80 [ 45.018129][ T21] console_unlock+0x5ab/0xbf0 [ 45.018131][ T21] vprintk_emit+0x171/0x3e0 [ 45.018133][ T21] vprintk_func+0x75/0x113 [ 45.018134][ T21] printk+0xba/0xed [ 45.018136][ T21] do_exit.cold+0x148/0x230 [ 45.018138][ T21] do_group_exit+0x125/0x350 [ 45.018140][ T21] __x64_sys_exit_group+0x3a/0x50 [ 45.018142][ T21] do_syscall_64+0xb7/0x560 [ 45.018144][ T21] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.018145][ T21] [ 45.018146][ T21] -> #0 ((console_sem).lock){-.-.}: [ 45.018153][ T21] lock_acquire+0x100/0x2b0 [ 45.018155][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 45.018157][ T21] down_trylock+0xe/0x60 [ 45.018159][ T21] __down_trylock_console_sem+0x31/0xc0 [ 45.018161][ T21] console_trylock+0x12/0x90 [ 45.018163][ T21] vprintk_emit+0x158/0x3e0 [ 45.018165][ T21] vprintk_func+0x75/0x113 [ 45.018166][ T21] printk+0xba/0xed [ 45.018168][ T21] __warn_printk+0x9b/0xf3 [ 45.018170][ T21] debug_print_object+0x160/0x250 [ 45.018172][ T21] debug_check_no_obj_freed+0x2a3/0x42e [ 45.018174][ T21] kfree+0x101/0x280 [ 45.018176][ T21] rsi_probe+0xcec/0x15a0 [ 45.018178][ T21] usb_probe_interface+0x305/0x7a0 [ 45.018180][ T21] really_probe+0x281/0x660 [ 45.018182][ T21] driver_probe_device+0x104/0x210 [ 45.018184][ T21] __device_attach_driver+0x1c2/0x220 [ 45.018186][ T21] bus_for_each_drv+0x15c/0x1e0 [ 45.018188][ T21] __device_attach+0x217/0x360 [ 45.018190][ T21] bus_probe_device+0x1e4/0x290 [ 45.018192][ T21] device_add+0xae6/0x16f0 [ 45.018194][ T21] usb_set_configuration+0xdf6/0x1670 [ 45.018196][ T21] generic_probe+0x9d/0xd5 [ 45.018198][ T21] usb_probe_device+0x99/0x100 [ 45.018200][ T21] really_probe+0x281/0x660 [ 45.018202][ T21] driver_probe_device+0x104/0x210 [ 45.018205][ T21] __device_attach_driver+0x1c2/0x220 [ 45.018207][ T21] bus_for_each_drv+0x15c/0x1e0 [ 45.018209][ T21] __device_attach+0x217/0x360 [ 45.018211][ T21] bus_probe_device+0x1e4/0x290 [ 45.018212][ T21] device_add+0xae6/0x16f0 [ 45.018215][ T21] usb_new_device.cold+0x8c1/0x1016 [ 45.018216][ T21] hub_event+0x1b3d/0x35f0 [ 45.018218][ T21] process_one_work+0x905/0x1570 [ 45.018220][ T21] worker_thread+0x96/0xe20 [ 45.018222][ T21] kthread+0x30b/0x410 [ 45.018224][ T21] ret_from_fork+0x24/0x30 [ 45.018225][ T21] [ 45.018227][ T21] other info that might help us debug this: [ 45.018228][ T21] [ 45.018230][ T21] Chain exists of: [ 45.018231][ T21] (console_sem).lock --> &rq->lock --> &obj_hash[i].lock [ 45.018239][ T21] [ 45.018241][ T21] Possible unsafe locking scenario: [ 45.018242][ T21] [ 45.018244][ T21] CPU0 CPU1 [ 45.018246][ T21] ---- ---- [ 45.018247][ T21] lock(&obj_hash[i].lock); [ 45.018252][ T21] lock(&rq->lock); [ 45.018256][ T21] lock(&obj_hash[i].lock); [ 45.018260][ T21] lock((console_sem).lock); [ 45.018263][ T21] [ 45.018265][ T21] *** DEADLOCK *** [ 45.018266][ T21] [ 45.018268][ T21] 6 locks held by kworker/1:1/21: [ 45.018269][ T21] #0: 00000000ba3f1ff9 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x81a/0x1570 [ 45.018277][ T21] #1: 000000009ce18ad0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x84e/0x1570 [ 45.018285][ T21] #2: 000000006daf585c (&dev->mutex){....}, at: hub_event+0x179/0x35f0 [ 45.018293][ T21] #3: 00000000ffe16ede (&dev->mutex){....}, at: __device_attach+0x7b/0x360 [ 45.018309][ T21] #4: 000000006e1b4b82 (&dev->mutex){....}, at: __device_attach+0x7b/0x360 [ 45.018317][ T21] #5: 000000005502245b (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 45.018325][ T21] [ 45.018327][ T21] stack backtrace: [ 45.018329][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #14 [ 45.018333][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.018335][ T21] Workqueue: usb_hub_wq hub_event [ 45.018337][ T21] Call Trace: [ 45.018339][ T21] dump_stack+0xca/0x13e [ 45.018341][ T21] print_circular_bug.cold+0x1c4/0x282 [ 45.018343][ T21] __lock_acquire+0x3654/0x5340 [ 45.018344][ T21] ? mark_held_locks+0xe0/0xe0 [ 45.018346][ T21] ? enable_ptr_key_workfn+0x30/0x30 [ 45.018348][ T21] ? kvm_sched_clock_read+0x14/0x30 [ 45.018350][ T21] lock_acquire+0x100/0x2b0 [ 45.018352][ T21] ? down_trylock+0xe/0x60 [ 45.018353][ T21] ? vprintk_emit+0x158/0x3e0 [ 45.018355][ T21] _raw_spin_lock_irqsave+0x32/0x50 [ 45.018357][ T21] ? down_trylock+0xe/0x60 [ 45.018359][ T21] down_trylock+0xe/0x60 [ 45.018360][ T21] ? vprintk_emit+0x158/0x3e0 [ 45.018362][ T21] ? vprintk_emit+0x158/0x3e0 [ 45.018364][ T21] __down_trylock_console_sem+0x31/0xc0 [ 45.018366][ T21] console_trylock+0x12/0x90 [ 45.018367][ T21] vprintk_emit+0x158/0x3e0 [ 45.018369][ T21] ? calc_wheel_index+0x220/0x220 [ 45.018371][ T21] vprintk_func+0x75/0x113 [ 45.018373][ T21] printk+0xba/0xed [ 45.018375][ T21] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 45.018376][ T21] ? mark_held_locks+0xe0/0xe0 [ 45.018378][ T21] ? __device_attach+0x217/0x360 [ 45.018380][ T21] ? bus_probe_device+0x1e4/0x290 [ 45.018382][ T21] ? device_add+0xae6/0x16f0 [ 45.018384][ T21] ? usb_set_configuration+0xdf6/0x1670 [ 45.018386][ T21] ? generic_probe+0x9d/0xd5 [ 45.018388][ T21] ? really_probe+0x281/0x660 [ 45.018393][ T21] ? __warn_printk+0x8f/0xf3 [ 45.018395][ T21] ? rsi_mgmt_pkt_recv+0x1f40/0x1f40 [ 45.018397][ T21] __warn_printk+0x9b/0xf3 [ 45.018398][ T21] ? add_taint.cold+0x16/0x16 [ 45.018400][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 45.018402][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 45.018404][ T21] ? lock_acquire+0x100/0x2b0 [ 45.018406][ T21] ? rsi_mgmt_pkt_recv+0x1f40/0x1f40 [ 45.018408][ T21] debug_print_object+0x160/0x250 [ 45.018410][ T21] debug_check_no_obj_freed+0x2a3/0x42e [ 45.018412][ T21] ? kfree+0xbc/0x280 [ 45.018414][ T21] ? rsi_probe+0xcec/0x15a0 [ 45.018415][ T21] kfree+0x101/0x280 [ 45.018417][ T21] rsi_probe+0xcec/0x15a0 [ 45.018419][ T21] ? rsi_disconnect+0x630/0x630 [ 45.018421][ T21] ? lock_set_class+0x2c0/0x5f0 [ 45.018423][ T21] ? __pm_runtime_resume+0x111/0x180 [ 45.018425][ T21] usb_probe_interface+0x305/0x7a0 [ 45.018426][ T21] ? usb_probe_device+0x100/0x100 [ 45.018428][ T21] really_probe+0x281/0x660 [ 45.018430][ T21] driver_probe_device+0x104/0x210 [ 45.018432][ T21] __device_attach_driver+0x1c2/0x220 [ 45.018434][ T21] ? driver_allows_async_probing+0x160/0x160 [ 45.018436][ T21] bus_for_each_drv+0x15c/0x1e0 [ 45.018438][ T21] ? bus_rescan_devices+0x20/0x20 [ 45.018440][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 45.018442][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 45.018444][ T21] __device_attach+0x217/0x360 [ 45.018446][ T21] ? device_bind_driver+0xd0/0xd0 [ 45.018448][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 45.018450][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 45.018452][ T21] bus_probe_device+0x1e4/0x290 [ 45.018454][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 45.018455][ T21] device_add+0xae6/0x16f0 [ 45.018457][ T21] ? uevent_store+0x50/0x50 [ 45.018459][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 45.018461][ T21] usb_set_configuration+0xdf6/0x1670 [ 45.018463][ T21] generic_probe+0x9d/0xd5 [ 45.018465][ T21] usb_probe_device+0x99/0x100 [ 45.018466][ T21] ? usb_suspend+0x620/0x620 [ 45.018468][ T21] really_probe+0x281/0x660 [ 45.018470][ T21] driver_probe_device+0x104/0x210 [ 45.018472][ T21] __device_attach_driver+0x1c2/0x220 [ 45.018474][ T21] ? driver_allows_async_probing+0x160/0x160 [ 45.018476][ T21] bus_for_each_drv+0x15c/0x1e0 [ 45.018478][ T21] ? bus_rescan_devices+0x20/0x20 [ 45.018480][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 45.018482][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 45.018484][ T21] __device_attach+0x217/0x360 [ 45.018486][ T21] ? device_bind_driver+0xd0/0xd0 [ 45.018488][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 45.018490][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 45.018492][ T21] bus_probe_device+0x1e4/0x290 [ 45.018494][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 45.018496][ T21] device_add+0xae6/0x16f0 [ 45.018497][ T21] ? uevent_store+0x50/0x50 [ 45.018499][ T21] usb_new_device.cold+0x8c1/0x1016 [ 45.018501][ T21] ? usb_port_suspend+0xa40/0xa40 [ 45.018503][ T21] ? mark_held_locks+0x9f/0xe0 [ 45.018507][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 45.018509][ T21] hub_event+0x1b3d/0x35f0 [ 45.018511][ T21] ? hub_port_debounce+0x260/0x260 [ 45.018513][ T21] process_one_work+0x905/0x1570 [ 45.018515][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 45.018517][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 45.018519][ T21] worker_thread+0x96/0xe20 [ 45.018520][ T21] ? process_one_work+0x1570/0x1570 [ 45.018522][ T21] kthread+0x30b/0x410 [ 45.018524][ T21] ? kthread_park+0x1a0/0x1a0 [ 45.018525][ T21] ret_from_fork+0x24/0x30 [ 45.018975][ T21] Kernel Offset: disabled [ 46.185466][ T21] Rebooting in 86400 seconds..