INIT: Entering runlevel: 2 [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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.967466][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.207429][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 52.327509][ T12] usb 1-1: config 0 has an invalid interface number: 128 but max is 0 [ 52.336247][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 52.346342][ T12] usb 1-1: config 0 has no interface number 0 [ 52.352433][ T12] usb 1-1: config 0 interface 128 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 52.364010][ T12] usb 1-1: New USB device found, idVendor=12cf, idProduct=7111, bcdDevice=48.08 [ 52.373046][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 52.382627][ T12] usb 1-1: config 0 descriptor?? [ 52.647905][ T12] radio-si470x 1-1:0.128: DeviceID=0xb140 ChipID=0xd481 [ 52.867571][ T12] radio-si470x 1-1:0.128: software version 177, hardware version 64 executing program [ 53.087483][ T12] radio-si470x 1-1:0.128: si470x_set_report: usb_control_msg returned -71 [ 53.107451][ C0] radio-si470x 1-1:0.128: non-zero urb status (-71) [ 53.114512][ T12] radio-si470x 1-1:0.128: si470x_set_report: usb_control_msg returned -71 [ 53.123357][ T12] radio-si470x: probe of 1-1:0.128 failed with error -22 [ 53.130474][ C0] dummy_hcd dummy_hcd.0: no ep configured for urb 00000000ad5fbf86 [ 53.130640][ C0] ================================================================== [ 53.130677][ C0] BUG: KASAN: use-after-free in si470x_int_in_callback.cold+0x27/0xbe [ 53.130686][ C0] Read of size 8 at addr ffff8881d4428a28 by task kworker/0:1/12 [ 53.130689][ C0] [ 53.130705][ C0] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc6+ #14 [ 53.130711][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.130725][ C0] Workqueue: usb_hub_wq hub_event [ 53.130730][ C0] Call Trace: [ 53.130735][ C0] [ 53.130744][ C0] dump_stack+0xca/0x13e [ 53.130775][ C0] ? si470x_int_in_callback.cold+0x27/0xbe [ 53.130782][ C0] ? si470x_int_in_callback.cold+0x27/0xbe [ 53.130791][ C0] print_address_description+0x67/0x231 [ 53.130798][ C0] ? si470x_int_in_callback.cold+0x27/0xbe [ 53.130806][ C0] ? si470x_int_in_callback.cold+0x27/0xbe [ 53.130813][ C0] __kasan_report.cold+0x1a/0x32 [ 53.130820][ C0] ? kthread+0x300/0x410 [ 53.130826][ C0] ? si470x_int_in_callback.cold+0x27/0xbe [ 53.130833][ C0] kasan_report+0xe/0x20 [ 53.130839][ C0] si470x_int_in_callback.cold+0x27/0xbe [ 53.130847][ C0] ? usb_hcd_unmap_urb_for_dma+0x105/0x9b0 [ 53.130853][ C0] ? dummy_timer+0x1010/0x2df4 [ 53.130860][ C0] __usb_hcd_giveback_urb+0x1f2/0x470 [ 53.130867][ C0] usb_hcd_giveback_urb+0x34a/0x400 [ 53.130872][ C0] dummy_timer+0x1022/0x2df4 [ 53.130879][ C0] ? mark_held_locks+0xe0/0xe0 [ 53.130885][ C0] ? __lock_acquire+0x54a/0x5340 [ 53.130890][ C0] ? find_held_lock+0x2d/0x110 [ 53.130898][ C0] ? do_raw_spin_lock+0x11a/0x280 [ 53.130903][ C0] ? lock_acquire+0x100/0x2b0 [ 53.130908][ C0] ? dummy_udc_probe+0x970/0x970 [ 53.130916][ C0] call_timer_fn+0x15e/0x5e0 [ 53.130922][ C0] ? dummy_udc_probe+0x970/0x970 [ 53.130928][ C0] ? process_timeout+0x40/0x40 [ 53.130933][ C0] ? mark_held_locks+0x9f/0xe0 [ 53.130940][ C0] ? _raw_spin_unlock_irq+0x24/0x30 [ 53.130946][ C0] ? dummy_udc_probe+0x970/0x970 [ 53.130952][ C0] run_timer_softirq+0x597/0x1410 [ 53.130959][ C0] ? add_timer+0x7a0/0x7a0 [ 53.130964][ C0] ? ktime_get+0x162/0x1d0 [ 53.130971][ C0] __do_softirq+0x219/0x8b0 [ 53.130979][ C0] irq_exit+0x17c/0x1a0 [ 53.130985][ C0] smp_apic_timer_interrupt+0xe2/0x480 [ 53.130992][ C0] apic_timer_interrupt+0xf/0x20 [ 53.130994][ C0] [ 53.131002][ C0] RIP: 0010:console_unlock+0x9db/0xbf0 [ 53.131009][ C0] Code: 00 89 ee 48 c7 c7 e0 eb f2 86 e8 50 a4 03 00 65 ff 0d 51 56 da 7e e9 11 fa ff ff e8 af 43 15 00 e8 ba 69 1a 00 ff 74 24 30 9d 31 fe ff ff e8 9b 43 15 00 48 8b bc 24 80 00 00 00 c7 05 d9 e6 [ 53.131013][ C0] RSP: 0018:ffff8881d9e0f148 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 53.131019][ C0] RAX: 0000000000000007 RBX: 0000000000000200 RCX: 1ffff1103b3bf424 [ 53.131023][ C0] RDX: 0000000000000000 RSI: ffff8881d9dfa100 RDI: ffff8881d9dfa034 [ 53.131027][ C0] RBP: 0000000000000000 R08: ffff8881d9df9800 R09: 0000000000000000 [ 53.131031][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000004e [ 53.131035][ C0] R13: ffffffff828cb580 R14: ffffffff8726a520 R15: dffffc0000000000 [ 53.131043][ C0] ? netconsole_netdev_event+0x2a0/0x2a0 [ 53.131050][ C0] vprintk_emit+0x171/0x3e0 [ 53.131057][ C0] vprintk_func+0x75/0x113 [ 53.131063][ C0] printk+0xba/0xed [ 53.131449][ C0] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 53.131457][ C0] really_probe.cold+0x69/0x122 [ 53.131464][ C0] driver_probe_device+0x104/0x210 [ 53.131471][ C0] __device_attach_driver+0x1c2/0x220 [ 53.131477][ C0] ? driver_allows_async_probing+0x160/0x160 [ 53.131483][ C0] bus_for_each_drv+0x15c/0x1e0 [ 53.131489][ C0] ? bus_rescan_devices+0x20/0x20 [ 53.131495][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.131501][ C0] ? lockdep_hardirqs_on+0x379/0x580 [ 53.131507][ C0] __device_attach+0x217/0x360 [ 53.131513][ C0] ? device_bind_driver+0xd0/0xd0 [ 53.131520][ C0] ? kobject_uevent_env+0x29e/0x1150 [ 53.131526][ C0] ? kobject_uevent_env+0x2a8/0x1150 [ 53.131532][ C0] bus_probe_device+0x1e4/0x290 [ 53.131539][ C0] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.131545][ C0] device_add+0xae6/0x16f0 [ 53.131550][ C0] ? uevent_store+0x50/0x50 [ 53.131556][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.131563][ C0] usb_set_configuration+0xdf6/0x1670 [ 53.131570][ C0] generic_probe+0x9d/0xd5 [ 53.131579][ C0] usb_probe_device+0x99/0x100 [ 53.131587][ C0] ? usb_suspend+0x620/0x620 [ 53.131595][ C0] really_probe+0x281/0x660 [ 53.131605][ C0] driver_probe_device+0x104/0x210 [ 53.131614][ C0] __device_attach_driver+0x1c2/0x220 [ 53.131621][ C0] ? driver_allows_async_probing+0x160/0x160 [ 53.131629][ C0] bus_for_each_drv+0x15c/0x1e0 [ 53.131639][ C0] ? bus_rescan_devices+0x20/0x20 [ 53.131649][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.131658][ C0] ? lockdep_hardirqs_on+0x379/0x580 [ 53.131668][ C0] __device_attach+0x217/0x360 [ 53.131679][ C0] ? device_bind_driver+0xd0/0xd0 [ 53.131689][ C0] ? kobject_uevent_env+0x29e/0x1150 [ 53.131700][ C0] ? kobject_uevent_env+0x2a8/0x1150 [ 53.131711][ C0] bus_probe_device+0x1e4/0x290 [ 53.131722][ C0] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.131731][ C0] device_add+0xae6/0x16f0 [ 53.131741][ C0] ? uevent_store+0x50/0x50 [ 53.131753][ C0] usb_new_device.cold+0x8c1/0x1016 [ 53.131772][ C0] ? usb_port_suspend+0xa40/0xa40 [ 53.131781][ C0] ? mark_held_locks+0x9f/0xe0 [ 53.131790][ C0] ? _raw_spin_unlock_irq+0x24/0x30 [ 53.131797][ C0] hub_event+0x1b3d/0x35f0 [ 53.131807][ C0] ? hub_port_debounce+0x260/0x260 [ 53.131816][ C0] process_one_work+0x905/0x1570 [ 53.131825][ C0] ? pwq_dec_nr_in_flight+0x310/0x310 [ 53.131833][ C0] ? do_raw_spin_lock+0x11a/0x280 [ 53.131840][ C0] worker_thread+0x96/0xe20 [ 53.131847][ C0] ? process_one_work+0x1570/0x1570 [ 53.131853][ C0] kthread+0x30b/0x410 [ 53.131860][ C0] ? kthread_park+0x1a0/0x1a0 [ 53.131865][ C0] ret_from_fork+0x24/0x30 [ 53.131868][ C0] [ 53.131872][ C0] Allocated by task 12: [ 53.131879][ C0] save_stack+0x1b/0x80 [ 53.131885][ C0] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 53.131892][ C0] si470x_usb_driver_probe+0x51/0xf14 [ 53.131897][ C0] usb_probe_interface+0x305/0x7a0 [ 53.131903][ C0] really_probe+0x281/0x660 [ 53.131909][ C0] driver_probe_device+0x104/0x210 [ 53.131915][ C0] __device_attach_driver+0x1c2/0x220 [ 53.131920][ C0] bus_for_each_drv+0x15c/0x1e0 [ 53.131926][ C0] __device_attach+0x217/0x360 [ 53.131931][ C0] bus_probe_device+0x1e4/0x290 [ 53.131936][ C0] device_add+0xae6/0x16f0 [ 53.131941][ C0] usb_set_configuration+0xdf6/0x1670 [ 53.131946][ C0] generic_probe+0x9d/0xd5 [ 53.131952][ C0] usb_probe_device+0x99/0x100 [ 53.131957][ C0] really_probe+0x281/0x660 [ 53.131963][ C0] driver_probe_device+0x104/0x210 [ 53.131969][ C0] __device_attach_driver+0x1c2/0x220 [ 53.131974][ C0] bus_for_each_drv+0x15c/0x1e0 [ 53.131980][ C0] __device_attach+0x217/0x360 [ 53.131985][ C0] bus_probe_device+0x1e4/0x290 [ 53.131990][ C0] device_add+0xae6/0x16f0 [ 53.131996][ C0] usb_new_device.cold+0x8c1/0x1016 [ 53.132001][ C0] hub_event+0x1b3d/0x35f0 [ 53.132007][ C0] process_one_work+0x905/0x1570 [ 53.132013][ C0] worker_thread+0x96/0xe20 [ 53.132018][ C0] kthread+0x30b/0x410 [ 53.132023][ C0] ret_from_fork+0x24/0x30 [ 53.132025][ C0] [ 53.132027][ C0] Freed by task 12: [ 53.132033][ C0] save_stack+0x1b/0x80 [ 53.132039][ C0] __kasan_slab_free+0x130/0x180 [ 53.132044][ C0] kfree+0xd7/0x280 [ 53.132050][ C0] si470x_usb_driver_probe+0xaf5/0xf14 [ 53.132056][ C0] usb_probe_interface+0x305/0x7a0 [ 53.132061][ C0] really_probe+0x281/0x660 [ 53.132067][ C0] driver_probe_device+0x104/0x210 [ 53.132073][ C0] __device_attach_driver+0x1c2/0x220 [ 53.132078][ C0] bus_for_each_drv+0x15c/0x1e0 [ 53.132084][ C0] __device_attach+0x217/0x360 [ 53.132090][ C0] bus_probe_device+0x1e4/0x290 [ 53.132094][ C0] device_add+0xae6/0x16f0 [ 53.132100][ C0] usb_set_configuration+0xdf6/0x1670 [ 53.132104][ C0] generic_probe+0x9d/0xd5 [ 53.132110][ C0] usb_probe_device+0x99/0x100 [ 53.132115][ C0] really_probe+0x281/0x660 [ 53.132121][ C0] driver_probe_device+0x104/0x210 [ 53.132127][ C0] __device_attach_driver+0x1c2/0x220 [ 53.132132][ C0] bus_for_each_drv+0x15c/0x1e0 [ 53.132138][ C0] __device_attach+0x217/0x360 [ 53.132143][ C0] bus_probe_device+0x1e4/0x290 [ 53.132148][ C0] device_add+0xae6/0x16f0 [ 53.132154][ C0] usb_new_device.cold+0x8c1/0x1016 [ 53.132159][ C0] hub_event+0x1b3d/0x35f0 [ 53.132165][ C0] process_one_work+0x905/0x1570 [ 53.132171][ C0] worker_thread+0x96/0xe20 [ 53.132176][ C0] kthread+0x30b/0x410 [ 53.132181][ C0] ret_from_fork+0x24/0x30 [ 53.132183][ C0] [ 53.132188][ C0] The buggy address belongs to the object at ffff8881d4428000 [ 53.132188][ C0] which belongs to the cache kmalloc-4k of size 4096 [ 53.132193][ C0] The buggy address is located 2600 bytes inside of [ 53.132193][ C0] 4096-byte region [ffff8881d4428000, ffff8881d4429000) [ 53.132196][ C0] The buggy address belongs to the page: [ 53.132202][ C0] page:ffffea0007510a00 refcount:1 mapcount:0 mapping:ffff8881dac02600 index:0x0 compound_mapcount: 0 [ 53.132209][ C0] flags: 0x200000000010200(slab|head) [ 53.132218][ C0] raw: 0200000000010200 dead000000000100 dead000000000200 ffff8881dac02600 [ 53.132226][ C0] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000 [ 53.132228][ C0] page dumped because: kasan: bad access detected [ 53.132230][ C0] [ 53.132232][ C0] Memory state around the buggy address: [ 53.132237][ C0] ffff8881d4428900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 53.132242][ C0] ffff8881d4428980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 53.132246][ C0] >ffff8881d4428a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 53.132249][ C0] ^ [ 53.132254][ C0] ffff8881d4428a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 53.132261][ C0] ffff8881d4428b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 53.132263][ C0] ================================================================== [ 53.132265][ C0] Disabling lock debugging due to kernel taint [ 53.132269][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 53.132275][ C0] CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G B 5.2.0-rc6+ #14 [ 53.132279][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.132285][ C0] Workqueue: usb_hub_wq hub_event [ 53.132288][ C0] Call Trace: [ 53.132290][ C0] [ 53.132295][ C0] dump_stack+0xca/0x13e [ 53.132301][ C0] panic+0x292/0x6c9 [ 53.132306][ C0] ? __warn_printk+0xf3/0xf3 [ 53.132311][ C0] ? lock_downgrade+0x630/0x630 [ 53.132318][ C0] ? print_shadow_for_address+0xb8/0x114 [ 53.132324][ C0] ? trace_hardirqs_off+0x50/0x1c0 [ 53.132331][ C0] ? si470x_int_in_callback.cold+0x27/0xbe [ 53.132336][ C0] end_report+0x43/0x49 [ 53.132343][ C0] ? si470x_int_in_callback.cold+0x27/0xbe [ 53.132349][ C0] __kasan_report.cold+0xd/0x32 [ 53.132354][ C0] ? kthread+0x300/0x410 [ 53.132360][ C0] ? si470x_int_in_callback.cold+0x27/0xbe [ 53.132366][ C0] kasan_report+0xe/0x20 [ 53.132373][ C0] si470x_int_in_callback.cold+0x27/0xbe [ 53.132379][ C0] ? usb_hcd_unmap_urb_for_dma+0x105/0x9b0 [ 53.132384][ C0] ? dummy_timer+0x1010/0x2df4 [ 53.132390][ C0] __usb_hcd_giveback_urb+0x1f2/0x470 [ 53.132397][ C0] usb_hcd_giveback_urb+0x34a/0x400 [ 53.132402][ C0] dummy_timer+0x1022/0x2df4 [ 53.132407][ C0] ? mark_held_locks+0xe0/0xe0 [ 53.132412][ C0] ? __lock_acquire+0x54a/0x5340 [ 53.132417][ C0] ? find_held_lock+0x2d/0x110 [ 53.132423][ C0] ? do_raw_spin_lock+0x11a/0x280 [ 53.132428][ C0] ? lock_acquire+0x100/0x2b0 [ 53.132433][ C0] ? dummy_udc_probe+0x970/0x970 [ 53.132440][ C0] call_timer_fn+0x15e/0x5e0 [ 53.132444][ C0] ? dummy_udc_probe+0x970/0x970 [ 53.132450][ C0] ? process_timeout+0x40/0x40 [ 53.132455][ C0] ? mark_held_locks+0x9f/0xe0 [ 53.132461][ C0] ? _raw_spin_unlock_irq+0x24/0x30 [ 53.132466][ C0] ? dummy_udc_probe+0x970/0x970 [ 53.132472][ C0] run_timer_softirq+0x597/0x1410 [ 53.132478][ C0] ? add_timer+0x7a0/0x7a0 [ 53.132483][ C0] ? ktime_get+0x162/0x1d0 [ 53.132489][ C0] __do_softirq+0x219/0x8b0 [ 53.132495][ C0] irq_exit+0x17c/0x1a0 [ 53.132501][ C0] smp_apic_timer_interrupt+0xe2/0x480 [ 53.132507][ C0] apic_timer_interrupt+0xf/0x20 [ 53.132509][ C0] [ 53.132516][ C0] RIP: 0010:console_unlock+0x9db/0xbf0 [ 53.132521][ C0] Code: 00 89 ee 48 c7 c7 e0 eb f2 86 e8 50 a4 03 00 65 ff 0d 51 56 da 7e e9 11 fa ff ff e8 af 43 15 00 e8 ba 69 1a 00 ff 74 24 30 9d 31 fe ff ff e8 9b 43 15 00 48 8b bc 24 80 00 00 00 c7 05 d9 e6 [ 53.132525][ C0] RSP: 0018:ffff8881d9e0f148 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 53.132530][ C0] RAX: 0000000000000007 RBX: 0000000000000200 RCX: 1ffff1103b3bf424 [ 53.132533][ C0] RDX: 0000000000000000 RSI: ffff8881d9dfa100 RDI: ffff8881d9dfa034 [ 53.132537][ C0] RBP: 0000000000000000 R08: ffff8881d9df9800 R09: 0000000000000000 [ 53.132540][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000004e [ 53.132544][ C0] R13: ffffffff828cb580 R14: ffffffff8726a520 R15: dffffc0000000000 [ 53.132550][ C0] ? netconsole_netdev_event+0x2a0/0x2a0 [ 53.132557][ C0] vprintk_emit+0x171/0x3e0 [ 53.132563][ C0] vprintk_func+0x75/0x113 [ 53.132569][ C0] printk+0xba/0xed [ 53.132575][ C0] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 53.132581][ C0] really_probe.cold+0x69/0x122 [ 53.132587][ C0] driver_probe_device+0x104/0x210 [ 53.132593][ C0] __device_attach_driver+0x1c2/0x220 [ 53.132600][ C0] ? driver_allows_async_probing+0x160/0x160 [ 53.132605][ C0] bus_for_each_drv+0x15c/0x1e0 [ 53.132611][ C0] ? bus_rescan_devices+0x20/0x20 [ 53.132616][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.132621][ C0] ? lockdep_hardirqs_on+0x379/0x580 [ 53.132627][ C0] __device_attach+0x217/0x360 [ 53.132633][ C0] ? device_bind_driver+0xd0/0xd0 [ 53.132638][ C0] ? kobject_uevent_env+0x29e/0x1150 [ 53.132644][ C0] ? kobject_uevent_env+0x2a8/0x1150 [ 53.132650][ C0] bus_probe_device+0x1e4/0x290 [ 53.132655][ C0] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.132660][ C0] device_add+0xae6/0x16f0 [ 53.132665][ C0] ? uevent_store+0x50/0x50 [ 53.132671][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.132676][ C0] usb_set_configuration+0xdf6/0x1670 [ 53.132682][ C0] generic_probe+0x9d/0xd5 [ 53.132687][ C0] usb_probe_device+0x99/0x100 [ 53.132693][ C0] ? usb_suspend+0x620/0x620 [ 53.132698][ C0] really_probe+0x281/0x660 [ 53.132704][ C0] driver_probe_device+0x104/0x210 [ 53.132710][ C0] __device_attach_driver+0x1c2/0x220 [ 53.132717][ C0] ? driver_allows_async_probing+0x160/0x160 [ 53.132722][ C0] bus_for_each_drv+0x15c/0x1e0 [ 53.132728][ C0] ? bus_rescan_devices+0x20/0x20 [ 53.132733][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.132738][ C0] ? lockdep_hardirqs_on+0x379/0x580 [ 53.132744][ C0] __device_attach+0x217/0x360 [ 53.132750][ C0] ? device_bind_driver+0xd0/0xd0 [ 53.132764][ C0] ? kobject_uevent_env+0x29e/0x1150 [ 53.132770][ C0] ? kobject_uevent_env+0x2a8/0x1150 [ 53.132778][ C0] bus_probe_device+0x1e4/0x290 [ 53.132788][ C0] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.132797][ C0] device_add+0xae6/0x16f0 [ 53.132805][ C0] ? uevent_store+0x50/0x50 [ 53.132816][ C0] usb_new_device.cold+0x8c1/0x1016 [ 53.132828][ C0] ? usb_port_suspend+0xa40/0xa40 [ 53.132837][ C0] ? mark_held_locks+0x9f/0xe0 [ 53.132846][ C0] ? _raw_spin_unlock_irq+0x24/0x30 [ 53.132852][ C0] hub_event+0x1b3d/0x35f0 [ 53.132858][ C0] ? hub_port_debounce+0x260/0x260 [ 53.132865][ C0] process_one_work+0x905/0x1570 [ 53.132872][ C0] ? pwq_dec_nr_in_flight+0x310/0x310 [ 53.132877][ C0] ? do_raw_spin_lock+0x11a/0x280 [ 53.132884][ C0] worker_thread+0x96/0xe20 [ 53.132890][ C0] ? process_one_work+0x1570/0x1570 [ 53.132895][ C0] kthread+0x30b/0x410 [ 53.132901][ C0] ? kthread_park+0x1a0/0x1a0 [ 53.132906][ C0] ret_from_fork+0x24/0x30 [ 53.133367][ C0] Kernel Offset: disabled [ 54.730800][ C0] Rebooting in 86400 seconds..