[info] Using makefile-style concurrent boot in runlevel 2. [ 16.457923][ 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 '10.128.0.131' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 35.778326][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 35.778335][ T12] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 35.793564][ T93] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 35.801182][ T1807] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 35.808766][ T1808] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 35.816322][ T5] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 35.888636][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 35.898368][ T1808] usb 4-1: Using ep0 maxpacket: 32 [ 35.908457][ T1807] usb 2-1: Using ep0 maxpacket: 32 [ 35.913763][ T5] usb 3-1: Using ep0 maxpacket: 32 [ 35.919037][ T93] usb 6-1: Using ep0 maxpacket: 32 [ 35.924532][ T12] usb 5-1: Using ep0 maxpacket: 32 [ 36.018433][ T94] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 36.018443][ T1808] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 36.018484][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.027780][ T1808] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.040039][ T94] usb 1-1: config 0 descriptor?? [ 36.045240][ T1807] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 36.067400][ T1807] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.075656][ T93] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 36.084765][ T93] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.092876][ T5] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 36.102008][ T5] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.110169][ T12] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 36.119289][ T12] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 36.129227][ T93] usb 6-1: config 0 descriptor?? [ 36.135062][ T5] usb 3-1: config 0 descriptor?? [ 36.140836][ T12] usb 5-1: config 0 descriptor?? [ 36.147272][ T1808] usb 4-1: config 0 descriptor?? [ 36.154157][ T1807] usb 2-1: config 0 descriptor?? [ 36.309484][ T94] hso 1-1:0.0: Failed to find BULK IN ep [ 36.389419][ T93] hso 6-1:0.0: Failed to find BULK IN ep [ 36.399702][ T12] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 36.407310][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.6.0-rc3-syzkaller #0 [ 36.415468][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.425574][ T12] Workqueue: usb_hub_wq hub_event [ 36.430592][ T12] Call Trace: [ 36.433885][ T12] dump_stack+0xef/0x16e [ 36.438126][ T12] sysfs_warn_dup.cold+0x1c/0x2d [ 36.443072][ T12] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 36.449150][ T12] sysfs_create_link+0x61/0xc0 [ 36.453907][ T12] device_add+0x756/0x1bf0 [ 36.458351][ T12] ? lockdep_init_map+0x1b0/0x5e0 [ 36.463360][ T12] ? device_link_remove+0x110/0x110 [ 36.468561][ T12] ? __init_waitqueue_head+0x31/0x90 [ 36.473856][ T12] tty_register_device_attr+0x341/0x6f0 [ 36.479395][ T12] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 36.484949][ T12] ? mark_held_locks+0x9f/0xe0 [ 36.489705][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 36.495512][ T12] ? tty_port_register_device_attr+0xb9/0x110 [ 36.501586][ T12] hso_serial_common_create+0x113/0x710 [ 36.507140][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 36.511050][ T94] usb 1-1: USB disconnect, device number 2 [ 36.512423][ T12] hso_probe+0xc93/0x1b7b [ 36.522571][ T12] usb_probe_interface+0x310/0x800 [ 36.527708][ T12] ? usb_probe_device+0x230/0x230 [ 36.532743][ T12] really_probe+0x290/0xac0 [ 36.537267][ T12] driver_probe_device+0x223/0x350 [ 36.542396][ T12] __device_attach_driver+0x1d1/0x290 [ 36.547882][ T12] ? driver_allows_async_probing+0x160/0x160 [ 36.553872][ T12] bus_for_each_drv+0x162/0x1e0 [ 36.558727][ T12] ? bus_rescan_devices+0x20/0x20 [ 36.563751][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 36.569590][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 36.574904][ T12] __device_attach+0x217/0x390 [ 36.579695][ T12] ? device_bind_driver+0xd0/0xd0 [ 36.584714][ T12] bus_probe_device+0x1e4/0x290 [ 36.589574][ T12] device_add+0x1459/0x1bf0 [ 36.594094][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 36.599398][ T12] ? device_link_remove+0x110/0x110 [ 36.604625][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 36.610432][ T12] usb_set_configuration+0xe47/0x17d0 [ 36.615833][ T12] usb_generic_driver_probe+0x9d/0xe0 [ 36.621241][ T12] usb_probe_device+0xd9/0x230 [ 36.625995][ T12] ? usb_suspend+0x5f0/0x5f0 [ 36.630612][ T12] really_probe+0x290/0xac0 [ 36.635130][ T12] driver_probe_device+0x223/0x350 [ 36.640255][ T12] __device_attach_driver+0x1d1/0x290 [ 36.645618][ T12] ? driver_allows_async_probing+0x160/0x160 [ 36.651590][ T12] bus_for_each_drv+0x162/0x1e0 [ 36.656443][ T12] ? bus_rescan_devices+0x20/0x20 [ 36.661474][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 36.667283][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 36.672580][ T12] __device_attach+0x217/0x390 [ 36.677355][ T12] ? device_bind_driver+0xd0/0xd0 [ 36.682374][ T12] bus_probe_device+0x1e4/0x290 [ 36.687234][ T12] device_add+0x1459/0x1bf0 [ 36.691759][ T12] ? device_link_remove+0x110/0x110 [ 36.696961][ T12] usb_new_device.cold+0x540/0xcd0 [ 36.702096][ T12] hub_event+0x21cb/0x4300 [ 36.707772][ T12] ? hub_port_debounce+0x350/0x350 [ 36.712903][ T12] ? find_held_lock+0x2d/0x110 [ 36.717847][ T12] ? mark_held_locks+0xe0/0xe0 [ 36.722616][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 36.728151][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 36.733421][ T12] process_one_work+0x94b/0x1620 executing program executing program executing program executing program [ 36.738351][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 36.743726][ T12] ? do_raw_spin_lock+0x129/0x290 [ 36.748772][ T12] worker_thread+0x96/0xe20 [ 36.753305][ T12] ? process_one_work+0x1620/0x1620 [ 36.758500][ T12] kthread+0x318/0x420 [ 36.762569][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 36.767925][ T12] ret_from_fork+0x24/0x30 [ 36.774006][ T1808] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 36.781708][ T1808] CPU: 0 PID: 1808 Comm: kworker/0:4 Not tainted 5.6.0-rc3-syzkaller #0 [ 36.790130][ T1808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.800238][ T1808] Workqueue: usb_hub_wq hub_event [ 36.805258][ T1808] Call Trace: [ 36.808563][ T1808] dump_stack+0xef/0x16e [ 36.812826][ T1808] sysfs_warn_dup.cold+0x1c/0x2d [ 36.817773][ T1808] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 36.823881][ T1808] sysfs_create_link+0x61/0xc0 [ 36.828636][ T1808] device_add+0x756/0x1bf0 [ 36.833078][ T1808] ? lockdep_init_map+0x1b0/0x5e0 [ 36.838092][ T1808] ? device_link_remove+0x110/0x110 [ 36.843285][ T1808] ? __init_waitqueue_head+0x31/0x90 [ 36.848606][ T1808] tty_register_device_attr+0x341/0x6f0 [ 36.854145][ T1808] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 36.859689][ T1808] ? mark_held_locks+0x9f/0xe0 [ 36.864455][ T1808] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 36.870261][ T1808] ? tty_port_register_device_attr+0xb9/0x110 [ 36.876451][ T1808] hso_serial_common_create+0x113/0x710 [ 36.881993][ T1808] ? kasan_unpoison_shadow+0x30/0x40 [ 36.887280][ T1808] hso_probe+0xc93/0x1b7b [ 36.891629][ T1808] usb_probe_interface+0x310/0x800 [ 36.896744][ T1808] ? usb_probe_device+0x230/0x230 [ 36.901760][ T1808] really_probe+0x290/0xac0 [ 36.906336][ T1808] driver_probe_device+0x223/0x350 [ 36.911470][ T1808] __device_attach_driver+0x1d1/0x290 [ 36.916888][ T1808] ? driver_allows_async_probing+0x160/0x160 [ 36.922859][ T1808] bus_for_each_drv+0x162/0x1e0 [ 36.927717][ T1808] ? bus_rescan_devices+0x20/0x20 [ 36.932765][ T1808] ? _raw_spin_unlock_irqrestore+0x39/0x40 executing program [ 36.938581][ T1808] ? lockdep_hardirqs_on+0x382/0x580 [ 36.943861][ T1808] __device_attach+0x217/0x390 [ 36.948635][ T1808] ? device_bind_driver+0xd0/0xd0 [ 36.953656][ T1808] bus_probe_device+0x1e4/0x290 [ 36.958499][ T1808] device_add+0x1459/0x1bf0 [ 36.963027][ T1808] ? wait_for_completion+0x3c0/0x3c0 [ 36.968309][ T1808] ? device_link_remove+0x110/0x110 [ 36.973516][ T1808] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 36.979353][ T1808] usb_set_configuration+0xe47/0x17d0 [ 36.984741][ T1808] usb_generic_driver_probe+0x9d/0xe0 [ 36.990150][ T1808] usb_probe_device+0xd9/0x230 [ 36.994907][ T1808] ? usb_suspend+0x5f0/0x5f0 [ 36.999497][ T1808] really_probe+0x290/0xac0 [ 37.004007][ T1808] driver_probe_device+0x223/0x350 [ 37.009158][ T1808] __device_attach_driver+0x1d1/0x290 [ 37.014533][ T1808] ? driver_allows_async_probing+0x160/0x160 [ 37.020519][ T1808] bus_for_each_drv+0x162/0x1e0 [ 37.025380][ T1808] ? bus_rescan_devices+0x20/0x20 [ 37.030411][ T1808] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.036209][ T1808] ? lockdep_hardirqs_on+0x382/0x580 [ 37.041552][ T1808] __device_attach+0x217/0x390 [ 37.046313][ T1808] ? device_bind_driver+0xd0/0xd0 [ 37.052293][ T1808] bus_probe_device+0x1e4/0x290 [ 37.057143][ T1808] device_add+0x1459/0x1bf0 [ 37.061647][ T1808] ? device_link_remove+0x110/0x110 [ 37.066897][ T1808] usb_new_device.cold+0x540/0xcd0 [ 37.072042][ T1808] hub_event+0x21cb/0x4300 [ 37.076443][ T1808] ? hub_port_debounce+0x350/0x350 [ 37.081556][ T1808] ? find_held_lock+0x2d/0x110 [ 37.086312][ T1808] ? mark_held_locks+0xe0/0xe0 [ 37.091105][ T1808] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 37.096666][ T1808] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 37.101976][ T1808] process_one_work+0x94b/0x1620 [ 37.106902][ T1808] ? __wake_up_common+0x650/0x650 [ 37.111931][ T1808] ? pwq_dec_nr_in_flight+0x310/0x310 [ 37.117285][ T1808] worker_thread+0x96/0xe20 [ 37.121786][ T1808] ? process_one_work+0x1620/0x1620 [ 37.126978][ T1808] kthread+0x318/0x420 [ 37.131051][ T1808] ? kthread_create_on_node+0xf0/0xf0 [ 37.136412][ T1808] ret_from_fork+0x24/0x30 executing program [ 37.141408][ T1807] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 37.148943][ T1807] CPU: 0 PID: 1807 Comm: kworker/0:3 Not tainted 5.6.0-rc3-syzkaller #0 [ 37.157294][ T1807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.167381][ T1807] Workqueue: usb_hub_wq hub_event [ 37.172409][ T1807] Call Trace: [ 37.175686][ T1807] dump_stack+0xef/0x16e [ 37.179923][ T1807] sysfs_warn_dup.cold+0x1c/0x2d [ 37.184853][ T1807] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 37.190915][ T1807] sysfs_create_link+0x61/0xc0 [ 37.195829][ T1807] device_add+0x756/0x1bf0 [ 37.200242][ T1807] ? lockdep_init_map+0x1b0/0x5e0 [ 37.205277][ T1807] ? device_link_remove+0x110/0x110 [ 37.210470][ T1807] ? __init_waitqueue_head+0x31/0x90 [ 37.215744][ T1807] tty_register_device_attr+0x341/0x6f0 [ 37.221276][ T1807] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 37.226831][ T1807] ? mark_held_locks+0x9f/0xe0 [ 37.231593][ T1807] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.237389][ T1807] ? tty_port_register_device_attr+0xb9/0x110 [ 37.243446][ T1807] hso_serial_common_create+0x113/0x710 [ 37.248990][ T1807] ? kasan_unpoison_shadow+0x30/0x40 [ 37.254450][ T1807] hso_probe+0xc93/0x1b7b [ 37.258784][ T1807] usb_probe_interface+0x310/0x800 [ 37.263957][ T1807] ? usb_probe_device+0x230/0x230 [ 37.268982][ T1807] really_probe+0x290/0xac0 [ 37.273505][ T1807] driver_probe_device+0x223/0x350 [ 37.278618][ T1807] __device_attach_driver+0x1d1/0x290 [ 37.284016][ T1807] ? driver_allows_async_probing+0x160/0x160 [ 37.289989][ T1807] bus_for_each_drv+0x162/0x1e0 [ 37.294842][ T1807] ? bus_rescan_devices+0x20/0x20 [ 37.302847][ T1807] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.308679][ T1807] ? lockdep_hardirqs_on+0x382/0x580 [ 37.313959][ T1807] __device_attach+0x217/0x390 [ 37.318715][ T1807] ? device_bind_driver+0xd0/0xd0 [ 37.323730][ T1807] bus_probe_device+0x1e4/0x290 [ 37.328573][ T1807] device_add+0x1459/0x1bf0 [ 37.333065][ T1807] ? wait_for_completion+0x3c0/0x3c0 [ 37.338340][ T1807] ? device_link_remove+0x110/0x110 [ 37.343537][ T1807] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.349350][ T1807] usb_set_configuration+0xe47/0x17d0 [ 37.354733][ T1807] usb_generic_driver_probe+0x9d/0xe0 [ 37.360111][ T1807] usb_probe_device+0xd9/0x230 [ 37.364873][ T1807] ? usb_suspend+0x5f0/0x5f0 [ 37.369454][ T1807] really_probe+0x290/0xac0 [ 37.373956][ T1807] driver_probe_device+0x223/0x350 [ 37.379055][ T1807] __device_attach_driver+0x1d1/0x290 [ 37.384416][ T1807] ? driver_allows_async_probing+0x160/0x160 [ 37.390385][ T1807] bus_for_each_drv+0x162/0x1e0 [ 37.395243][ T1807] ? bus_rescan_devices+0x20/0x20 [ 37.400294][ T1807] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.406092][ T1807] ? lockdep_hardirqs_on+0x382/0x580 [ 37.411370][ T1807] __device_attach+0x217/0x390 [ 37.416137][ T1807] ? device_bind_driver+0xd0/0xd0 [ 37.421194][ T1807] bus_probe_device+0x1e4/0x290 [ 37.426048][ T1807] device_add+0x1459/0x1bf0 [ 37.430545][ T1807] ? device_link_remove+0x110/0x110 [ 37.435742][ T1807] usb_new_device.cold+0x540/0xcd0 [ 37.440898][ T1807] hub_event+0x21cb/0x4300 [ 37.445312][ T1807] ? hub_port_debounce+0x350/0x350 [ 37.450413][ T1807] ? find_held_lock+0x2d/0x110 [ 37.455177][ T1807] ? mark_held_locks+0xe0/0xe0 [ 37.459944][ T1807] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 37.465483][ T1807] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 37.470789][ T1807] process_one_work+0x94b/0x1620 [ 37.475734][ T1807] ? __wake_up_common+0x650/0x650 [ 37.480789][ T1807] ? pwq_dec_nr_in_flight+0x310/0x310 [ 37.486177][ T1807] worker_thread+0x96/0xe20 [ 37.490713][ T1807] ? process_one_work+0x1620/0x1620 [ 37.495915][ T1807] kthread+0x318/0x420 [ 37.500007][ T1807] ? kthread_create_on_node+0xf0/0xf0 [ 37.505374][ T1807] ret_from_fork+0x24/0x30 [ 37.510817][ T5] hso 3-1:0.0: Failed to find BULK IN ep [ 37.519462][ T5] usb 3-1: USB disconnect, device number 2 [ 37.526539][ T1808] hso 4-1:0.0: Failed to find BULK IN ep [ 37.532394][ T1808] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] SMP KASAN [ 37.543460][ T1808] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 37.551893][ T1808] CPU: 0 PID: 1808 Comm: kworker/0:4 Not tainted 5.6.0-rc3-syzkaller #0 [ 37.560205][ T1808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.570335][ T1808] Workqueue: usb_hub_wq hub_event [ 37.575363][ T1808] RIP: 0010:cdev_del+0x22/0x90 [ 37.580147][ T1808] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 33 a5 d2 ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f 48 [ 37.599874][ T1808] RSP: 0018:ffff8881d4c57248 EFLAGS: 00010207 [ 37.605932][ T1808] RAX: dffffc0000000000 RBX: ffff8881d50b7a00 RCX: ffffffff82167c6e [ 37.613903][ T1808] RDX: 000000000000000c RSI: ffffffff816cb7bd RDI: 0000000000000064 [ 37.621890][ T1808] RBP: 0000000000000000 R08: ffff8881cdf4b100 R09: fffffbfff1266c8f [ 37.629885][ T1808] R10: fffffbfff1266c8e R11: ffffffff89336477 R12: 0000000000000000 [ 37.637851][ T1808] R13: ffff8881d51e9000 R14: ffff8881cd516000 R15: ffff8881cd895070 [ 37.645813][ T1808] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 37.654727][ T1808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.661334][ T1808] CR2: 00000000004c4408 CR3: 0000000007021000 CR4: 00000000001406f0 [ 37.669337][ T1808] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.677464][ T1808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.685440][ T1808] Call Trace: [ 37.688760][ T1808] tty_unregister_device+0x10d/0x1a0 [ 37.694043][ T1808] hso_probe.cold+0x6e/0x14c [ 37.698624][ T1808] usb_probe_interface+0x310/0x800 [ 37.703766][ T1808] ? usb_probe_device+0x230/0x230 [ 37.708798][ T1808] really_probe+0x290/0xac0 [ 37.713363][ T1808] driver_probe_device+0x223/0x350 [ 37.718466][ T1808] __device_attach_driver+0x1d1/0x290 [ 37.723867][ T1808] ? driver_allows_async_probing+0x160/0x160 [ 37.729844][ T1808] bus_for_each_drv+0x162/0x1e0 [ 37.734711][ T1808] ? bus_rescan_devices+0x20/0x20 [ 37.739810][ T1808] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.745616][ T1808] ? lockdep_hardirqs_on+0x382/0x580 [ 37.750908][ T1808] __device_attach+0x217/0x390 [ 37.755700][ T1808] ? device_bind_driver+0xd0/0xd0 [ 37.760718][ T1808] bus_probe_device+0x1e4/0x290 [ 37.765596][ T1808] device_add+0x1459/0x1bf0 [ 37.770193][ T1808] ? wait_for_completion+0x3c0/0x3c0 [ 37.775462][ T1808] ? device_link_remove+0x110/0x110 [ 37.780644][ T1808] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.786436][ T1808] usb_set_configuration+0xe47/0x17d0 [ 37.791797][ T1808] usb_generic_driver_probe+0x9d/0xe0 [ 37.797152][ T1808] usb_probe_device+0xd9/0x230 [ 37.801933][ T1808] ? usb_suspend+0x5f0/0x5f0 [ 37.806508][ T1808] really_probe+0x290/0xac0 [ 37.810992][ T1808] driver_probe_device+0x223/0x350 [ 37.816084][ T1808] __device_attach_driver+0x1d1/0x290 [ 37.821441][ T1808] ? driver_allows_async_probing+0x160/0x160 [ 37.827448][ T1808] bus_for_each_drv+0x162/0x1e0 [ 37.832286][ T1808] ? bus_rescan_devices+0x20/0x20 [ 37.837294][ T1808] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.843127][ T1808] ? lockdep_hardirqs_on+0x382/0x580 [ 37.848399][ T1808] __device_attach+0x217/0x390 [ 37.853151][ T1808] ? device_bind_driver+0xd0/0xd0 [ 37.858161][ T1808] bus_probe_device+0x1e4/0x290 [ 37.863017][ T1808] device_add+0x1459/0x1bf0 [ 37.867525][ T1808] ? device_link_remove+0x110/0x110 [ 37.872759][ T1808] usb_new_device.cold+0x540/0xcd0 [ 37.877864][ T1808] hub_event+0x21cb/0x4300 [ 37.882301][ T1808] ? hub_port_debounce+0x350/0x350 [ 37.887392][ T1808] ? find_held_lock+0x2d/0x110 [ 37.892264][ T1808] ? mark_held_locks+0xe0/0xe0 [ 37.897014][ T1808] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 37.902584][ T1808] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 37.907867][ T1808] process_one_work+0x94b/0x1620 [ 37.912793][ T1808] ? __wake_up_common+0x650/0x650 [ 37.917814][ T1808] ? pwq_dec_nr_in_flight+0x310/0x310 [ 37.923183][ T1808] worker_thread+0x96/0xe20 [ 37.927693][ T1808] ? process_one_work+0x1620/0x1620 [ 37.932914][ T1808] kthread+0x318/0x420 [ 37.936968][ T1808] ? kthread_create_on_node+0xf0/0xf0 [ 37.942323][ T1808] ret_from_fork+0x24/0x30 [ 37.946714][ T1808] Modules linked in: [ 37.950698][ T1808] ---[ end trace f4348a186c62475f ]--- [ 37.956182][ T1808] RIP: 0010:cdev_del+0x22/0x90 [ 37.960981][ T1808] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 33 a5 d2 ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f 48 [ 37.980612][ T1808] RSP: 0018:ffff8881d4c57248 EFLAGS: 00010207 [ 37.986665][ T1808] RAX: dffffc0000000000 RBX: ffff8881d50b7a00 RCX: ffffffff82167c6e [ 37.994663][ T1808] RDX: 000000000000000c RSI: ffffffff816cb7bd RDI: 0000000000000064 [ 38.002689][ T1808] RBP: 0000000000000000 R08: ffff8881cdf4b100 R09: fffffbfff1266c8f [ 38.010770][ T1808] R10: fffffbfff1266c8e R11: ffffffff89336477 R12: 0000000000000000 [ 38.018801][ T1808] R13: ffff8881d51e9000 R14: ffff8881cd516000 R15: ffff8881cd895070 [ 38.026773][ T1808] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 38.035772][ T1808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.042386][ T1808] CR2: 00000000004c4408 CR3: 0000000007021000 CR4: 00000000001406f0 [ 38.050403][ T1808] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.058459][ T1808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.066488][ T1808] Kernel panic - not syncing: Fatal exception [ 38.073039][ T1808] Kernel Offset: disabled [ 38.077403][ T1808] Rebooting in 86400 seconds..