[ 51.302049] audit: type=1800 audit(1555104404.216:26): pid=5568 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0 [ 51.321673] audit: type=1800 audit(1555104404.216:27): pid=5568 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0 [ 51.341225] audit: type=1800 audit(1555104404.216:28): pid=5568 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2450 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.138089] audit: type=1800 audit(1555104405.076:29): pid=5568 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. 2019/04/12 21:26:55 parsed 1 programs 2019/04/12 21:26:57 executed programs: 0 syzkaller login: [ 64.385253] e cgroup1: Unknown subsys name 'hugetlb' [ 64.401283] IPVS: ftp: loaded support on port[0] = 21 [ 64.478199] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.484641] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.492417] device bridge_slave_0 entered promiscuous mode [ 64.499678] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.506248] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.513219] device bridge_slave_1 entered promiscuous mode [ 64.528370] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 64.537233] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 64.553243] team0: Port device team_slave_0 added [ 64.559299] team0: Port device team_slave_1 added [ 64.584287] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.590773] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.597955] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.604305] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.636033] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.647806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.657271] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.666176] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.673471] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 64.684198] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.693579] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.701790] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.708158] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.726093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.734047] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.740455] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.748434] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.756389] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.765705] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.775940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.786256] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.835072] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.154852] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 65.394789] usb 1-1: Using ep0 maxpacket: 8 [ 65.514896] usb 1-1: config 0 has an invalid interface number: 81 but max is 0 [ 65.522433] usb 1-1: config 0 has no interface number 0 [ 65.528490] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=9f.e9 [ 65.536896] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.548974] usb 1-1: config 0 descriptor?? [ 65.588338] rsi_91x: rsi_probe: Initialized os intf ops [ 65.984898] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 65.992127] rsi_91x: rsi_load_firmware: REGOUT read failed [ 65.997877] rsi_91x: rsi_hal_device_init: Failed to load TA instructions [ 66.004884] rsi_91x: rsi_probe: Failed in device init [ 66.011732] ------------[ cut here ]------------ [ 66.017732] ODEBUG: free active (active state 0) object type: timer_list hint: bl_cmd_timeout+0x0/0x50 [ 66.027323] WARNING: CPU: 0 PID: 5 at lib/debugobjects.c:325 debug_print_object+0x162/0x250 [ 66.035796] Kernel panic - not syncing: panic_on_warn set ... [ 66.041677] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 66.049549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.058896] Workqueue: usb_hub_wq hub_event [ 66.063197] Call Trace: [ 66.065801] dump_stack+0xe8/0x16e [ 66.069334] ? debug_print_object+0xe0/0x250 [ 66.073745] panic+0x29d/0x5f2 [ 66.076921] ? __warn_printk+0xf8/0xf8 [ 66.080794] ? debug_print_object+0x162/0x250 [ 66.085279] ? __probe_kernel_read+0x171/0x1b0 [ 66.089855] ? __warn.cold+0x5/0x48 [ 66.093491] ? __warn+0xe9/0x1d0 [ 66.096863] ? debug_print_object+0x162/0x250 [ 66.101341] __warn.cold+0x20/0x48 [ 66.104864] ? debug_print_object+0x162/0x250 [ 66.109370] report_bug+0x262/0x2a0 [ 66.112988] do_error_trap+0x130/0x1f0 [ 66.116859] ? debug_print_object+0x162/0x250 [ 66.121341] do_invalid_op+0x37/0x40 [ 66.125040] ? debug_print_object+0x162/0x250 [ 66.129531] invalid_op+0x14/0x20 [ 66.132971] RIP: 0010:debug_print_object+0x162/0x250 [ 66.138071] Code: dd e0 a1 b3 8e 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 a1 b3 8e 48 c7 c7 60 96 b3 8e e8 8e 93 d2 fd <0f> 0b 83 05 e9 d6 59 10 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 66.156962] RSP: 0018:ffff8880a846f110 EFLAGS: 00010086 [ 66.162335] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 66.169595] RDX: 0000000000000000 RSI: ffffffff815b1e42 RDI: ffffed101508de14 [ 66.176865] RBP: 0000000000000001 R08: ffff8880a8444980 R09: ffffed1015a03edb [ 66.184138] R10: ffffed1015a03eda R11: ffff8880ad01f6d7 R12: ffffffff917e7780 [ 66.191418] R13: ffffffff8161ec90 R14: ffffffff96d67928 R15: ffff88809927f060 [ 66.198686] ? __internal_add_timer+0x1e0/0x1e0 [ 66.203360] ? vprintk_func+0x82/0x118 [ 66.207238] debug_check_no_obj_freed+0x2a3/0x42e [ 66.212083] ? slab_free_freelist_hook+0xdc/0x140 [ 66.216916] slab_free_freelist_hook+0xfb/0x140 [ 66.221572] ? rsi_probe+0xdf3/0x140d [ 66.225357] ? rsi_probe+0xdf3/0x140d [ 66.229141] kfree+0xce/0x290 [ 66.232231] rsi_probe+0xdf3/0x140d [ 66.235845] ? __pm_runtime_set_status+0x5d6/0xa10 [ 66.240757] ? rsi_disconnect+0x450/0x450 [ 66.244887] ? is_dynamic_key+0x90/0x1b0 [ 66.248942] ? __pm_runtime_resume+0x116/0x180 [ 66.253522] usb_probe_interface+0x31d/0x820 [ 66.257916] ? usb_probe_device+0x150/0x150 [ 66.262236] really_probe+0x2da/0xb10 [ 66.266025] driver_probe_device+0x21d/0x350 [ 66.270420] __device_attach_driver+0x1d8/0x290 [ 66.275096] ? driver_allows_async_probing+0x160/0x160 [ 66.280359] bus_for_each_drv+0x163/0x1e0 [ 66.284491] ? bus_rescan_devices+0x30/0x30 [ 66.288816] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 66.293919] ? lockdep_hardirqs_on+0x37e/0x580 [ 66.298489] __device_attach+0x223/0x3a0 [ 66.302545] ? device_bind_driver+0xe0/0xe0 [ 66.306852] ? kobject_uevent_env+0x295/0x13d0 [ 66.311419] bus_probe_device+0x1f1/0x2a0 [ 66.315555] ? blocking_notifier_call_chain+0x59/0xb0 [ 66.320733] device_add+0xad2/0x16e0 [ 66.324430] ? get_device_parent.isra.0+0x560/0x560 [ 66.329539] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 66.334729] usb_set_configuration+0xdf7/0x1740 [ 66.339386] generic_probe+0xa2/0xda [ 66.343114] usb_probe_device+0xc0/0x150 [ 66.347159] ? usb_suspend+0x5f0/0x5f0 [ 66.351046] really_probe+0x2da/0xb10 [ 66.354839] driver_probe_device+0x21d/0x350 [ 66.359231] __device_attach_driver+0x1d8/0x290 [ 66.363904] ? driver_allows_async_probing+0x160/0x160 [ 66.369165] bus_for_each_drv+0x163/0x1e0 [ 66.373298] ? bus_rescan_devices+0x30/0x30 [ 66.377601] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 66.382689] ? lockdep_hardirqs_on+0x37e/0x580 [ 66.387272] __device_attach+0x223/0x3a0 [ 66.391315] ? device_bind_driver+0xe0/0xe0 [ 66.395620] ? kobject_uevent_env+0x295/0x13d0 [ 66.400187] bus_probe_device+0x1f1/0x2a0 [ 66.404324] ? blocking_notifier_call_chain+0x59/0xb0 [ 66.409540] device_add+0xad2/0x16e0 [ 66.413252] ? get_device_parent.isra.0+0x560/0x560 [ 66.418390] usb_new_device.cold+0x537/0xccf [ 66.422872] hub_event+0x138e/0x3b00 [ 66.426575] ? hub_port_debounce+0x350/0x350 [ 66.430976] ? _raw_spin_unlock_irq+0x29/0x40 [ 66.435457] process_one_work+0x90f/0x1580 [ 66.439679] ? wq_pool_ids_show+0x300/0x300 [ 66.443991] ? do_raw_spin_lock+0x11f/0x290 [ 66.448317] worker_thread+0x9b/0xe20 [ 66.452110] ? process_one_work+0x1580/0x1580 [ 66.456594] kthread+0x313/0x420 [ 66.459961] ? kthread_park+0x1a0/0x1a0 [ 66.463937] ret_from_fork+0x3a/0x50 [ 66.467658] [ 66.467661] ====================================================== [ 66.467664] WARNING: possible circular locking dependency detected [ 66.467666] 5.1.0-rc4-319354-g9a33b36 #3 Not tainted [ 66.467669] ------------------------------------------------------ [ 66.467671] kworker/0:0/5 is trying to acquire lock: [ 66.467673] 00000000f417e172 ((console_sem).lock){....}, at: down_trylock+0x13/0x70 [ 66.467680] [ 66.467682] but task is already holding lock: [ 66.467683] 00000000f3d34a0f (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 66.467690] [ 66.467693] which lock already depends on the new lock. [ 66.467694] [ 66.467695] [ 66.467698] the existing dependency chain (in reverse order) is: [ 66.467699] [ 66.467700] -> #3 (&obj_hash[i].lock){-.-.}: [ 66.467706] _raw_spin_lock_irqsave+0x44/0x60 [ 66.467708] __debug_object_init+0xb7/0xac0 [ 66.467710] hrtimer_init+0x2c/0x270 [ 66.467712] init_dl_task_timer+0x1c/0x50 [ 66.467714] __sched_fork+0x212/0x4c0 [ 66.467716] init_idle+0x73/0x6b0 [ 66.467718] sched_init+0x930/0x9cd [ 66.467720] start_kernel+0x3d9/0x83d [ 66.467722] secondary_startup_64+0xa4/0xb0 [ 66.467723] [ 66.467724] -> #2 (&rq->lock){-.-.}: [ 66.467730] _raw_spin_lock+0x2c/0x40 [ 66.467732] task_fork_fair+0x3c/0x470 [ 66.467734] sched_fork+0x3a9/0x8d0 [ 66.467736] copy_process.part.0+0x16bc/0x76b0 [ 66.467738] _do_fork+0x234/0xed0 [ 66.467739] kernel_thread+0x34/0x40 [ 66.467741] rest_init+0x28/0x376 [ 66.467743] start_kernel+0x805/0x83d [ 66.467745] secondary_startup_64+0xa4/0xb0 [ 66.467746] [ 66.467747] -> #1 (&p->pi_lock){-.-.}: [ 66.467754] _raw_spin_lock_irqsave+0x44/0x60 [ 66.467756] try_to_wake_up+0x86/0xf90 [ 66.467757] up+0x97/0xe0 [ 66.467759] __up_console_sem+0x55/0xb0 [ 66.467761] console_unlock+0x5ad/0xbb0 [ 66.467763] vprintk_emit+0x2b5/0x5a0 [ 66.467765] vprintk_func+0x7a/0x118 [ 66.467766] printk+0xbf/0xf2 [ 66.467768] do_exit.cold+0x5d/0x235 [ 66.467770] do_group_exit+0x12a/0x350 [ 66.467772] __x64_sys_exit_group+0x3f/0x50 [ 66.467774] do_syscall_64+0xcf/0x4f0 [ 66.467776] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.467777] [ 66.467778] -> #0 ((console_sem).lock){....}: [ 66.467785] lock_acquire+0x10d/0x2f0 [ 66.467787] _raw_spin_lock_irqsave+0x44/0x60 [ 66.467789] down_trylock+0x13/0x70 [ 66.467791] __down_trylock_console_sem+0x44/0xf0 [ 66.467793] console_trylock+0x17/0xa0 [ 66.467795] vprintk_emit+0x298/0x5a0 [ 66.467797] vprintk_func+0x7a/0x118 [ 66.467798] printk+0xbf/0xf2 [ 66.467800] __warn_printk+0xa0/0xf8 [ 66.467802] debug_print_object+0x162/0x250 [ 66.467804] debug_check_no_obj_freed+0x2a3/0x42e [ 66.467806] slab_free_freelist_hook+0xfb/0x140 [ 66.467808] kfree+0xce/0x290 [ 66.467810] rsi_probe+0xdf3/0x140d [ 66.467812] usb_probe_interface+0x31d/0x820 [ 66.467814] really_probe+0x2da/0xb10 [ 66.467816] driver_probe_device+0x21d/0x350 [ 66.467818] __device_attach_driver+0x1d8/0x290 [ 66.467820] bus_for_each_drv+0x163/0x1e0 [ 66.467823] __device_attach+0x223/0x3a0 [ 66.467825] bus_probe_device+0x1f1/0x2a0 [ 66.467826] device_add+0xad2/0x16e0 [ 66.467829] usb_set_configuration+0xdf7/0x1740 [ 66.467830] generic_probe+0xa2/0xda [ 66.467833] usb_probe_device+0xc0/0x150 [ 66.467835] really_probe+0x2da/0xb10 [ 66.467837] driver_probe_device+0x21d/0x350 [ 66.467839] __device_attach_driver+0x1d8/0x290 [ 66.467841] bus_for_each_drv+0x163/0x1e0 [ 66.467843] __device_attach+0x223/0x3a0 [ 66.467845] bus_probe_device+0x1f1/0x2a0 [ 66.467847] device_add+0xad2/0x16e0 [ 66.467849] usb_new_device.cold+0x537/0xccf [ 66.467851] hub_event+0x138e/0x3b00 [ 66.467853] process_one_work+0x90f/0x1580 [ 66.467855] worker_thread+0x9b/0xe20 [ 66.467856] kthread+0x313/0x420 [ 66.467858] ret_from_fork+0x3a/0x50 [ 66.467859] [ 66.467861] other info that might help us debug this: [ 66.467862] [ 66.467864] Chain exists of: [ 66.467865] (console_sem).lock --> &rq->lock --> &obj_hash[i].lock [ 66.467873] [ 66.467875] Possible unsafe locking scenario: [ 66.467876] [ 66.467878] CPU0 CPU1 [ 66.467880] ---- ---- [ 66.467881] lock(&obj_hash[i].lock); [ 66.467885] lock(&rq->lock); [ 66.467889] lock(&obj_hash[i].lock); [ 66.467893] lock((console_sem).lock); [ 66.467897] [ 66.467898] *** DEADLOCK *** [ 66.467899] [ 66.467901] 6 locks held by kworker/0:0/5: [ 66.467902] #0: 00000000699f583b ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x81f/0x1580 [ 66.467910] #1: 00000000d4631d44 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x853/0x1580 [ 66.467919] #2: 00000000865bf86a (&dev->mutex){....}, at: hub_event+0x18a/0x3b00 [ 66.467926] #3: 00000000a6a03fd9 (&dev->mutex){....}, at: __device_attach+0x80/0x3a0 [ 66.467934] #4: 000000009c88f588 (&dev->mutex){....}, at: __device_attach+0x80/0x3a0 [ 66.467942] #5: 00000000f3d34a0f (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 66.467954] [ 66.467957] stack backtrace: [ 66.467962] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 66.467968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.467971] Workqueue: usb_hub_wq hub_event [ 66.467975] Call Trace: [ 66.467978] dump_stack+0xe8/0x16e [ 66.467982] print_circular_bug.isra.0.cold+0x1c4/0x282 [ 66.467985] check_prev_add.constprop.0+0xf11/0x23c0 [ 66.467988] ? check_usage+0x520/0x520 [ 66.467992] ? check_prev_add.constprop.0+0x8c7/0x23c0 [ 66.467995] ? graph_lock+0x80/0x180 [ 66.467999] ? __lockdep_free_key_range+0x110/0x110 [ 66.468002] ? deref_stack_reg+0xaf/0xe0 [ 66.468005] __lock_acquire+0x20c0/0x37c0 [ 66.468008] ? enable_ptr_key_workfn+0x30/0x30 [ 66.468010] ? mark_held_locks+0xe0/0xe0 [ 66.468012] lock_acquire+0x10d/0x2f0 [ 66.468014] ? down_trylock+0x13/0x70 [ 66.468016] _raw_spin_lock_irqsave+0x44/0x60 [ 66.468019] ? down_trylock+0x13/0x70 [ 66.468022] down_trylock+0x13/0x70 [ 66.468024] ? vprintk_emit+0x298/0x5a0 [ 66.468027] __down_trylock_console_sem+0x44/0xf0 [ 66.468029] console_trylock+0x17/0xa0 [ 66.468031] vprintk_emit+0x298/0x5a0 [ 66.468033] ? __internal_add_timer+0x1e0/0x1e0 [ 66.468035] vprintk_func+0x7a/0x118 [ 66.468036] printk+0xbf/0xf2 [ 66.468038] ? kmsg_dump_rewind_nolock+0xde/0xde [ 66.468040] ? bus_for_each_drv+0x163/0x1e0 [ 66.468042] ? __device_attach+0x223/0x3a0 [ 66.468044] ? bus_probe_device+0x1f1/0x2a0 [ 66.468046] ? device_add+0xad2/0x16e0 [ 66.468048] ? usb_set_configuration+0xdf7/0x1740 [ 66.468050] ? generic_probe+0xa2/0xda [ 66.468051] ? really_probe+0x2da/0xb10 [ 66.468053] ? __warn_printk+0x94/0xf8 [ 66.468055] ? bl_write_cmd+0x720/0x720 [ 66.468057] __warn_printk+0xa0/0xf8 [ 66.468058] ? add_taint.cold+0x16/0x16 [ 66.468061] ? debug_check_no_obj_freed+0x20a/0x42e [ 66.468062] ? do_raw_spin_lock+0x11f/0x290 [ 66.468064] ? bl_write_cmd+0x720/0x720 [ 66.468066] debug_print_object+0x162/0x250 [ 66.468068] debug_check_no_obj_freed+0x2a3/0x42e [ 66.468070] ? slab_free_freelist_hook+0xdc/0x140 [ 66.468072] slab_free_freelist_hook+0xfb/0x140 [ 66.468074] ? rsi_probe+0xdf3/0x140d [ 66.468076] ? rsi_probe+0xdf3/0x140d [ 66.468077] kfree+0xce/0x290 [ 66.468079] rsi_probe+0xdf3/0x140d [ 66.468081] ? __pm_runtime_set_status+0x5d6/0xa10 [ 66.468083] ? rsi_disconnect+0x450/0x450 [ 66.468084] ? is_dynamic_key+0x90/0x1b0 [ 66.468086] ? __pm_runtime_resume+0x116/0x180 [ 66.468088] usb_probe_interface+0x31d/0x820 [ 66.468090] ? usb_probe_device+0x150/0x150 [ 66.468092] really_probe+0x2da/0xb10 [ 66.468094] driver_probe_device+0x21d/0x350 [ 66.468096] __device_attach_driver+0x1d8/0x290 [ 66.468098] ? driver_allows_async_probing+0x160/0x160 [ 66.468100] bus_for_each_drv+0x163/0x1e0 [ 66.468102] ? bus_rescan_devices+0x30/0x30 [ 66.468104] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 66.468106] ? lockdep_hardirqs_on+0x37e/0x580 [ 66.468107] __device_attach+0x223/0x3a0 [ 66.468109] ? device_bind_driver+0xe0/0xe0 [ 66.468111] ? kobject_uevent_env+0x295/0x13d0 [ 66.468113] bus_probe_device+0x1f1/0x2a0 [ 66.468115] ? blocking_notifier_call_chain+0x59/0xb0 [ 66.468117] device_add+0xad2/0x16e0 [ 66.468119] ? get_device_parent.isra.0+0x560/0x560 [ 66.468121] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 66.468123] usb_set_configuration+0xdf7/0x1740 [ 66.468125] generic_probe+0xa2/0xda [ 66.468127] usb_probe_device+0xc0/0x150 [ 66.468128] ? usb_suspend+0x5f0/0x5f0 [ 66.468130] really_probe+0x2da/0xb10 [ 66.468132] driver_probe_device+0x21d/0x350 [ 66.468134] __device_attach_driver+0x1d8/0x290 [ 66.468136] ? driver_allows_async_probing+0x160/0x160 [ 66.468138] bus_for_each_drv+0x163/0x1e0 [ 66.468140] ? bus_rescan_devices+0x30/0x30 [ 66.468142] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 66.468144] ? lockdep_hardirqs_on+0x37e/0x580 [ 66.468146] __device_attach+0x223/0x3a0 [ 66.468148] ? device_bind_driver+0xe0/0xe0 [ 66.468150] ? kobject_uevent_env+0x295/0x13d0 [ 66.468151] bus_probe_device+0x1f1/0x2a0 [ 66.468154] ? blocking_notifier_call_chain+0x59/0xb0 [ 66.468155] device_add+0xad2/0x16e0 [ 66.468157] ? get_device_parent.isra.0+0x560/0x560 [ 66.468159] usb_new_device.cold+0x537/0xccf [ 66.468161] hub_event+0x138e/0x3b00 [ 66.468163] ? hub_port_debounce+0x350/0x350 [ 66.468165] ? _raw_spin_unlock_irq+0x29/0x40 [ 66.468167] process_one_work+0x90f/0x1580 [ 66.468168] ? wq_pool_ids_show+0x300/0x300 [ 66.468170] ? do_raw_spin_lock+0x11f/0x290 [ 66.468172] worker_thread+0x9b/0xe20 [ 66.468174] ? process_one_work+0x1580/0x1580 [ 66.468176] kthread+0x313/0x420 [ 66.468177] ? kthread_park+0x1a0/0x1a0 [ 66.468179] ret_from_fork+0x3a/0x50 [ 66.468944] Kernel Offset: disabled [ 67.455369] Rebooting in 86400 seconds..