Warning: Permanently added '10.128.0.213' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 45.653535][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 45.893499][ T22] usb 1-1: Using ep0 maxpacket: 16 [ 46.013630][ T22] usb 1-1: config 0 interface 0 altsetting 251 endpoint 0xF has invalid maxpacket 2047, setting to 64 [ 46.024871][ T22] usb 1-1: config 0 interface 0 altsetting 251 has a duplicate endpoint with address 0x5, skipping [ 46.035986][ T22] usb 1-1: config 0 interface 0 altsetting 251 endpoint 0x8 has invalid maxpacket 2047, setting to 64 [ 46.047131][ T22] usb 1-1: config 0 interface 0 altsetting 251 bulk endpoint 0x8E has invalid maxpacket 1024 [ 46.057684][ T22] usb 1-1: config 0 interface 0 altsetting 251 has a duplicate endpoint with address 0x5, skipping [ 46.068448][ T22] usb 1-1: config 0 interface 0 has no altsetting 0 [ 46.313608][ T22] usb 1-1: string descriptor 0 read error: -22 [ 46.320013][ T22] usb 1-1: New USB device found, idVendor=2040, idProduct=c000, bcdDevice=ea.2d [ 46.329151][ T22] usb 1-1: New USB device strings: Mfr=4, Product=1, SerialNumber=0 [ 46.338490][ T22] usb 1-1: config 0 descriptor?? [ 46.385992][ T22] smsusb:smsusb_probe: board id=8, interface number 0 [ 46.544919][ T22] smsusb:siano_media_device_register: media controller created [ 46.553821][ T22] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 46.562237][ T22] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 46.569840][ T22] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 46.577899][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.578220][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.578234][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.578247][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.578261][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.578274][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.578287][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.578301][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.578313][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.578326][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 46.652798][ T22] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 46.661862][ T22] ------------[ cut here ]------------ [ 46.668437][ T22] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 46.679022][ T22] WARNING: CPU: 1 PID: 22 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 [ 46.688640][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 46.695371][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #15 [ 46.703448][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.713911][ T22] Workqueue: usb_hub_wq hub_event [ 46.719746][ T22] Call Trace: [ 46.723264][ T22] dump_stack+0xca/0x13e [ 46.727599][ T22] ? debug_print_object+0xe0/0x250 [ 46.732963][ T22] panic+0x292/0x6c9 [ 46.737208][ T22] ? __warn_printk+0xf3/0xf3 [ 46.741879][ T22] ? debug_print_object+0x160/0x250 [ 46.747492][ T22] ? __probe_kernel_read+0x16c/0x1b0 [ 46.753031][ T22] ? __warn.cold+0x5/0x4b [ 46.757500][ T22] ? __warn+0xe4/0x1c0 [ 46.761568][ T22] ? debug_print_object+0x160/0x250 [ 46.766915][ T22] __warn.cold+0x20/0x4b [ 46.771273][ T22] ? debug_print_object+0x160/0x250 [ 46.776718][ T22] report_bug+0x262/0x2a0 [ 46.781328][ T22] do_error_trap+0x12b/0x1e0 [ 46.786057][ T22] ? debug_print_object+0x160/0x250 [ 46.791366][ T22] do_invalid_op+0x32/0x40 [ 46.795784][ T22] ? debug_print_object+0x160/0x250 [ 46.801853][ T22] invalid_op+0x14/0x20 [ 46.806024][ T22] RIP: 0010:debug_print_object+0x160/0x250 [ 46.812111][ T22] Code: dd e0 16 ba 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 16 ba 85 48 c7 c7 c0 0c ba 85 e8 db c7 33 ff <0f> 0b 83 05 03 6e 86 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 46.832706][ T22] RSP: 0018:ffff8881d9f8efb8 EFLAGS: 00010082 [ 46.839490][ T22] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 46.847736][ T22] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3f1de9 [ 46.855875][ T22] RBP: 0000000000000001 R08: ffff8881d9f80000 R09: ffffed103b663ed7 [ 46.864288][ T22] R10: ffffed103b663ed6 R11: ffff8881db31f6b7 R12: ffffffff86ac9ea0 [ 46.872257][ T22] R13: ffffffff81187f60 R14: ffffffff88f0e3e8 R15: ffff8881cf581bc0 [ 46.880380][ T22] ? __exit_umh+0x2c0/0x2c0 [ 46.884877][ T22] ? vprintk_func+0x7d/0x113 [ 46.889590][ T22] ? debug_print_object+0x160/0x250 [ 46.894771][ T22] debug_check_no_obj_freed+0x2a3/0x42e [ 46.900557][ T22] ? kfree+0xbc/0x280 [ 46.904886][ T22] ? smsusb_term_device+0xc2/0x120 [ 46.910004][ T22] kfree+0x101/0x280 [ 46.914047][ T22] smsusb_term_device+0xc2/0x120 [ 46.918991][ T22] smsusb_init_device+0x987/0x9d5 [ 46.924003][ T22] ? smsusb1_detectmode.cold+0x24/0x24 [ 46.929446][ T22] ? smsusb_disconnect+0x20/0x20 [ 46.934492][ T22] ? usb_clear_halt+0x136/0x1c0 [ 46.939566][ T22] smsusb_probe+0x986/0xa24 [ 46.944194][ T22] ? smsusb_init_device+0x9d5/0x9d5 [ 46.949739][ T22] ? __pm_runtime_set_status+0x5d5/0xa10 [ 46.955381][ T22] ? rpm_callback+0x230/0x230 [ 46.960344][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 46.966061][ T22] ? __pm_runtime_resume+0x111/0x180 [ 46.972257][ T22] usb_probe_interface+0x305/0x7a0 [ 46.977370][ T22] ? usb_probe_device+0x100/0x100 [ 46.982659][ T22] really_probe+0x281/0x660 [ 46.987530][ T22] driver_probe_device+0x104/0x210 [ 46.993004][ T22] __device_attach_driver+0x1c2/0x220 [ 46.998798][ T22] ? driver_allows_async_probing+0x160/0x160 [ 47.004862][ T22] bus_for_each_drv+0x15c/0x1e0 [ 47.010121][ T22] ? bus_rescan_devices+0x20/0x20 [ 47.015178][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.021277][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 47.026713][ T22] __device_attach+0x217/0x360 [ 47.031467][ T22] ? device_bind_driver+0xd0/0xd0 [ 47.037023][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 47.042382][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 47.047930][ T22] bus_probe_device+0x1e4/0x290 [ 47.052934][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.059174][ T22] device_add+0xae6/0x16f0 [ 47.063584][ T22] ? uevent_store+0x50/0x50 [ 47.068291][ T22] usb_set_configuration+0xdf6/0x1670 [ 47.073962][ T22] generic_probe+0x9d/0xd5 [ 47.078381][ T22] usb_probe_device+0x99/0x100 [ 47.083129][ T22] ? usb_suspend+0x620/0x620 [ 47.087969][ T22] really_probe+0x281/0x660 [ 47.092632][ T22] driver_probe_device+0x104/0x210 [ 47.097851][ T22] __device_attach_driver+0x1c2/0x220 [ 47.103233][ T22] ? driver_allows_async_probing+0x160/0x160 [ 47.109478][ T22] bus_for_each_drv+0x15c/0x1e0 [ 47.114456][ T22] ? bus_rescan_devices+0x20/0x20 [ 47.119832][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.126206][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 47.132293][ T22] __device_attach+0x217/0x360 [ 47.137248][ T22] ? device_bind_driver+0xd0/0xd0 [ 47.142266][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 47.147546][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 47.152817][ T22] bus_probe_device+0x1e4/0x290 [ 47.157845][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.164006][ T22] device_add+0xae6/0x16f0 [ 47.168701][ T22] ? uevent_store+0x50/0x50 [ 47.173585][ T22] usb_new_device.cold+0x6a4/0xe61 [ 47.178993][ T22] hub_event+0x1abd/0x3550 [ 47.183549][ T22] ? hub_port_debounce+0x260/0x260 [ 47.188755][ T22] process_one_work+0x905/0x1570 [ 47.193780][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 47.199643][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 47.205067][ T22] worker_thread+0x96/0xe20 [ 47.209879][ T22] ? process_one_work+0x1570/0x1570 [ 47.215574][ T22] kthread+0x30b/0x410 [ 47.219778][ T22] ? kthread_park+0x1a0/0x1a0 [ 47.224447][ T22] ret_from_fork+0x24/0x30 [ 47.229151][ T22] [ 47.229154][ T22] ====================================================== [ 47.229156][ T22] WARNING: possible circular locking dependency detected [ 47.229158][ T22] 5.2.0-rc6+ #15 Not tainted [ 47.229161][ T22] ------------------------------------------------------ [ 47.229163][ T22] kworker/1:1/22 is trying to acquire lock: [ 47.229165][ T22] 000000002b9c7cff ((console_sem).lock){-.-.}, at: down_trylock+0xe/0x60 [ 47.229171][ T22] [ 47.229173][ T22] but task is already holding lock: [ 47.229175][ T22] 000000008fd980d9 (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 47.229182][ T22] [ 47.229184][ T22] which lock already depends on the new lock. [ 47.229185][ T22] [ 47.229186][ T22] [ 47.229189][ T22] the existing dependency chain (in reverse order) is: [ 47.229190][ T22] [ 47.229191][ T22] -> #3 (&obj_hash[i].lock){-.-.}: [ 47.229197][ T22] _raw_spin_lock_irqsave+0x32/0x50 [ 47.229199][ T22] __debug_object_init+0xb7/0xac0 [ 47.229201][ T22] hrtimer_init+0x27/0x260 [ 47.229203][ T22] init_dl_task_timer+0x17/0x50 [ 47.229205][ T22] __sched_fork.isra.0+0x207/0x460 [ 47.229207][ T22] init_idle+0x6c/0x760 [ 47.229209][ T22] sched_init+0x91f/0x9bc [ 47.229210][ T22] start_kernel+0x347/0x81a [ 47.229212][ T22] secondary_startup_64+0xa4/0xb0 [ 47.229213][ T22] [ 47.229214][ T22] -> #2 (&rq->lock){-.-.}: [ 47.229221][ T22] _raw_spin_lock+0x27/0x40 [ 47.229222][ T22] task_fork_fair+0x37/0x550 [ 47.229224][ T22] sched_fork+0x3a4/0x8d0 [ 47.229226][ T22] copy_process.part.0+0x16c1/0x63a0 [ 47.229228][ T22] _do_fork+0x233/0xec0 [ 47.229230][ T22] kernel_thread+0x2f/0x40 [ 47.229231][ T22] rest_init+0x23/0x371 [ 47.229233][ T22] start_kernel+0x7e0/0x81a [ 47.229235][ T22] secondary_startup_64+0xa4/0xb0 [ 47.229236][ T22] [ 47.229237][ T22] -> #1 (&p->pi_lock){-.-.}: [ 47.229244][ T22] _raw_spin_lock_irqsave+0x32/0x50 [ 47.229246][ T22] try_to_wake_up+0x80/0x1410 [ 47.229247][ T22] up+0x92/0xe0 [ 47.229249][ T22] __up_console_sem+0x42/0x80 [ 47.229251][ T22] console_unlock+0x5ab/0xbf0 [ 47.229253][ T22] vprintk_emit+0x171/0x3e0 [ 47.229254][ T22] vprintk_func+0x75/0x113 [ 47.229256][ T22] printk+0xba/0xed [ 47.229258][ T22] do_exit.cold+0x148/0x230 [ 47.229260][ T22] do_group_exit+0x125/0x350 [ 47.229262][ T22] __x64_sys_exit_group+0x3a/0x50 [ 47.229263][ T22] do_syscall_64+0xb7/0x560 [ 47.229266][ T22] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.229267][ T22] [ 47.229268][ T22] -> #0 ((console_sem).lock){-.-.}: [ 47.229274][ T22] lock_acquire+0x100/0x2b0 [ 47.229276][ T22] _raw_spin_lock_irqsave+0x32/0x50 [ 47.229278][ T22] down_trylock+0xe/0x60 [ 47.229280][ T22] __down_trylock_console_sem+0x31/0xc0 [ 47.229282][ T22] console_trylock+0x12/0x90 [ 47.229284][ T22] vprintk_emit+0x158/0x3e0 [ 47.229286][ T22] vprintk_func+0x75/0x113 [ 47.229287][ T22] printk+0xba/0xed [ 47.229289][ T22] __warn_printk+0x9b/0xf3 [ 47.229291][ T22] debug_print_object+0x160/0x250 [ 47.229293][ T22] debug_check_no_obj_freed+0x2a3/0x42e [ 47.229295][ T22] kfree+0x101/0x280 [ 47.229297][ T22] smsusb_term_device+0xc2/0x120 [ 47.229299][ T22] smsusb_init_device+0x987/0x9d5 [ 47.229301][ T22] smsusb_probe+0x986/0xa24 [ 47.229303][ T22] usb_probe_interface+0x305/0x7a0 [ 47.229304][ T22] really_probe+0x281/0x660 [ 47.229306][ T22] driver_probe_device+0x104/0x210 [ 47.229308][ T22] __device_attach_driver+0x1c2/0x220 [ 47.229310][ T22] bus_for_each_drv+0x15c/0x1e0 [ 47.229312][ T22] __device_attach+0x217/0x360 [ 47.229314][ T22] bus_probe_device+0x1e4/0x290 [ 47.229316][ T22] device_add+0xae6/0x16f0 [ 47.229318][ T22] usb_set_configuration+0xdf6/0x1670 [ 47.229320][ T22] generic_probe+0x9d/0xd5 [ 47.229322][ T22] usb_probe_device+0x99/0x100 [ 47.229324][ T22] really_probe+0x281/0x660 [ 47.229326][ T22] driver_probe_device+0x104/0x210 [ 47.229328][ T22] __device_attach_driver+0x1c2/0x220 [ 47.229330][ T22] bus_for_each_drv+0x15c/0x1e0 [ 47.229332][ T22] __device_attach+0x217/0x360 [ 47.229334][ T22] bus_probe_device+0x1e4/0x290 [ 47.229335][ T22] device_add+0xae6/0x16f0 [ 47.229337][ T22] usb_new_device.cold+0x6a4/0xe61 [ 47.229339][ T22] hub_event+0x1abd/0x3550 [ 47.229341][ T22] process_one_work+0x905/0x1570 [ 47.229343][ T22] worker_thread+0x96/0xe20 [ 47.229345][ T22] kthread+0x30b/0x410 [ 47.229346][ T22] ret_from_fork+0x24/0x30 [ 47.229347][ T22] [ 47.229349][ T22] other info that might help us debug this: [ 47.229351][ T22] [ 47.229352][ T22] Chain exists of: [ 47.229353][ T22] (console_sem).lock --> &rq->lock --> &obj_hash[i].lock [ 47.229361][ T22] [ 47.229363][ T22] Possible unsafe locking scenario: [ 47.229364][ T22] [ 47.229366][ T22] CPU0 CPU1 [ 47.229368][ T22] ---- ---- [ 47.229369][ T22] lock(&obj_hash[i].lock); [ 47.229374][ T22] lock(&rq->lock); [ 47.229378][ T22] lock(&obj_hash[i].lock); [ 47.229381][ T22] lock((console_sem).lock); [ 47.229385][ T22] [ 47.229386][ T22] *** DEADLOCK *** [ 47.229387][ T22] [ 47.229389][ T22] 6 locks held by kworker/1:1/22: [ 47.229390][ T22] #0: 000000000d2f7673 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x81a/0x1570 [ 47.229398][ T22] #1: 000000002ee51a63 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x84e/0x1570 [ 47.229407][ T22] #2: 0000000084ff9480 (&dev->mutex){....}, at: hub_event+0x179/0x3550 [ 47.229414][ T22] #3: 000000005e61702d (&dev->mutex){....}, at: __device_attach+0x7b/0x360 [ 47.229422][ T22] #4: 0000000006664b95 (&dev->mutex){....}, at: __device_attach+0x7b/0x360 [ 47.229429][ T22] #5: 000000008fd980d9 (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xc4/0x42e [ 47.229437][ T22] [ 47.229439][ T22] stack backtrace: [ 47.229441][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #15 [ 47.229445][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.229446][ T22] Workqueue: usb_hub_wq hub_event [ 47.229449][ T22] Call Trace: [ 47.229450][ T22] dump_stack+0xca/0x13e [ 47.229452][ T22] print_circular_bug.cold+0x1c4/0x282 [ 47.229454][ T22] __lock_acquire+0x3654/0x5340 [ 47.229456][ T22] ? mark_held_locks+0xe0/0xe0 [ 47.229458][ T22] ? enable_ptr_key_workfn+0x30/0x30 [ 47.229460][ T22] ? kvm_sched_clock_read+0x14/0x30 [ 47.229461][ T22] lock_acquire+0x100/0x2b0 [ 47.229463][ T22] ? down_trylock+0xe/0x60 [ 47.229465][ T22] ? vprintk_emit+0x158/0x3e0 [ 47.229466][ T22] _raw_spin_lock_irqsave+0x32/0x50 [ 47.229468][ T22] ? down_trylock+0xe/0x60 [ 47.229470][ T22] down_trylock+0xe/0x60 [ 47.229471][ T22] ? vprintk_emit+0x158/0x3e0 [ 47.229473][ T22] ? vprintk_emit+0x158/0x3e0 [ 47.229475][ T22] __down_trylock_console_sem+0x31/0xc0 [ 47.229477][ T22] console_trylock+0x12/0x90 [ 47.229478][ T22] vprintk_emit+0x158/0x3e0 [ 47.229480][ T22] ? __exit_umh+0x2c0/0x2c0 [ 47.229482][ T22] vprintk_func+0x75/0x113 [ 47.229483][ T22] printk+0xba/0xed [ 47.229485][ T22] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 47.229487][ T22] ? mark_held_locks+0xe0/0xe0 [ 47.229488][ T22] ? usb_probe_device+0x99/0x100 [ 47.229490][ T22] ? really_probe+0x281/0x660 [ 47.229492][ T22] ? driver_probe_device+0x104/0x210 [ 47.229494][ T22] ? __device_attach_driver+0x1c2/0x220 [ 47.229496][ T22] ? bus_for_each_drv+0x15c/0x1e0 [ 47.229498][ T22] ? bus_probe_device+0x1e4/0x290 [ 47.229499][ T22] ? __warn_printk+0x8f/0xf3 [ 47.229501][ T22] ? smsusb_submit_urb+0x390/0x390 [ 47.229503][ T22] __warn_printk+0x9b/0xf3 [ 47.229504][ T22] ? add_taint.cold+0x16/0x16 [ 47.229506][ T22] ? find_held_lock+0x2d/0x110 [ 47.229508][ T22] ? smsusb_term_device+0xb5/0x120 [ 47.229510][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 47.229512][ T22] ? lock_acquire+0x100/0x2b0 [ 47.229513][ T22] ? smsusb_submit_urb+0x390/0x390 [ 47.229515][ T22] debug_print_object+0x160/0x250 [ 47.229517][ T22] debug_check_no_obj_freed+0x2a3/0x42e [ 47.229519][ T22] ? kfree+0xbc/0x280 [ 47.229520][ T22] ? smsusb_term_device+0xc2/0x120 [ 47.229522][ T22] kfree+0x101/0x280 [ 47.229524][ T22] smsusb_term_device+0xc2/0x120 [ 47.229526][ T22] smsusb_init_device+0x987/0x9d5 [ 47.229527][ T22] ? smsusb1_detectmode.cold+0x24/0x24 [ 47.229529][ T22] ? smsusb_disconnect+0x20/0x20 [ 47.229531][ T22] ? usb_clear_halt+0x136/0x1c0 [ 47.229533][ T22] smsusb_probe+0x986/0xa24 [ 47.229534][ T22] ? smsusb_init_device+0x9d5/0x9d5 [ 47.229536][ T22] ? __pm_runtime_set_status+0x5d5/0xa10 [ 47.229538][ T22] ? rpm_callback+0x230/0x230 [ 47.229540][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 47.229542][ T22] ? __pm_runtime_resume+0x111/0x180 [ 47.229544][ T22] usb_probe_interface+0x305/0x7a0 [ 47.229546][ T22] ? usb_probe_device+0x100/0x100 [ 47.229547][ T22] really_probe+0x281/0x660 [ 47.229549][ T22] driver_probe_device+0x104/0x210 [ 47.229551][ T22] __device_attach_driver+0x1c2/0x220 [ 47.229553][ T22] ? driver_allows_async_probing+0x160/0x160 [ 47.229555][ T22] bus_for_each_drv+0x15c/0x1e0 [ 47.229557][ T22] ? bus_rescan_devices+0x20/0x20 [ 47.229559][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.229560][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 47.229562][ T22] __device_attach+0x217/0x360 [ 47.229564][ T22] ? device_bind_driver+0xd0/0xd0 [ 47.229566][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 47.229568][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 47.229570][ T22] bus_probe_device+0x1e4/0x290 [ 47.229572][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.229574][ T22] device_add+0xae6/0x16f0 [ 47.229577][ T22] ? uevent_store+0x50/0x50 [ 47.229580][ T22] usb_set_configuration+0xdf6/0x1670 [ 47.229582][ T22] generic_probe+0x9d/0xd5 [ 47.229584][ T22] usb_probe_device+0x99/0x100 [ 47.229587][ T22] ? usb_suspend+0x620/0x620 [ 47.229589][ T22] really_probe+0x281/0x660 [ 47.229592][ T22] driver_probe_device+0x104/0x210 [ 47.229594][ T22] __device_attach_driver+0x1c2/0x220 [ 47.229596][ T22] ? driver_allows_async_probing+0x160/0x160 [ 47.229598][ T22] bus_for_each_drv+0x15c/0x1e0 [ 47.229600][ T22] ? bus_rescan_devices+0x20/0x20 [ 47.229602][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.229604][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 47.229605][ T22] __device_attach+0x217/0x360 [ 47.229607][ T22] ? device_bind_driver+0xd0/0xd0 [ 47.229609][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 47.229611][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 47.229613][ T22] bus_probe_device+0x1e4/0x290 [ 47.229615][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.229617][ T22] device_add+0xae6/0x16f0 [ 47.229618][ T22] ? uevent_store+0x50/0x50 [ 47.229620][ T22] usb_new_device.cold+0x6a4/0xe61 [ 47.229622][ T22] hub_event+0x1abd/0x3550 [ 47.229623][ T22] ? hub_port_debounce+0x260/0x260 [ 47.229625][ T22] process_one_work+0x905/0x1570 [ 47.229627][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 47.229629][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 47.229631][ T22] worker_thread+0x96/0xe20 [ 47.229632][ T22] ? process_one_work+0x1570/0x1570 [ 47.229634][ T22] kthread+0x30b/0x410 [ 47.229636][ T22] ? kthread_park+0x1a0/0x1a0 [ 47.229637][ T22] ret_from_fork+0x24/0x30 [ 47.230501][ T22] Kernel Offset: disabled [ 48.451345][ T22] Rebooting in 86400 seconds..