[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 15.038186][ C1] random: crng init done [....] 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 '10.128.10.49' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 41.783393][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 41.783401][ T12] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 41.798555][ T5] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 41.806059][ T1739] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 41.813568][ T1740] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 41.821074][ T101] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 42.033343][ T22] usb 1-1: Using ep0 maxpacket: 32 [ 42.053351][ T1740] usb 4-1: Using ep0 maxpacket: 32 [ 42.063349][ T1739] usb 2-1: Using ep0 maxpacket: 32 [ 42.068988][ T101] usb 6-1: Using ep0 maxpacket: 32 [ 42.074234][ T5] usb 3-1: Using ep0 maxpacket: 32 [ 42.079444][ T12] usb 5-1: Using ep0 maxpacket: 32 [ 42.163509][ T22] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 42.173093][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.173643][ T1740] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 42.182874][ T22] usb 1-1: config 0 descriptor?? [ 42.190335][ T1740] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.203474][ T1739] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 42.212676][ T1739] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.221006][ T5] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 42.230810][ T5] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.238985][ T101] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 42.249032][ T101] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.257138][ T12] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 42.268129][ T12] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.278304][ T1739] usb 2-1: config 0 descriptor?? [ 42.284168][ T5] usb 3-1: config 0 descriptor?? [ 42.293506][ T101] usb 6-1: config 0 descriptor?? [ 42.299332][ T12] usb 5-1: config 0 descriptor?? [ 42.305633][ T1740] usb 4-1: config 0 descriptor?? [ 42.465226][ T22] hso 1-1:0.0: Failed to find BULK IN ep [ 42.544409][ T5] hso 3-1:0.0: Failed to find BULK IN ep [ 42.554913][ T101] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 42.562409][ T101] CPU: 0 PID: 101 Comm: kworker/0:2 Not tainted 5.5.0-rc2-syzkaller #0 [ 42.571005][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.581185][ T101] Workqueue: usb_hub_wq hub_event [ 42.586194][ T101] Call Trace: [ 42.589578][ T101] dump_stack+0xef/0x16e [ 42.593815][ T101] sysfs_warn_dup.cold+0x1c/0x2d [ 42.598755][ T101] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 42.604828][ T101] sysfs_create_link+0x61/0xc0 [ 42.609596][ T101] device_add+0x77d/0x1c20 [ 42.614012][ T101] ? lockdep_init_map+0x1b0/0x5e0 [ 42.619024][ T101] ? device_links_flush_sync_list+0x350/0x350 [ 42.625168][ T101] ? __init_waitqueue_head+0x31/0x90 [ 42.630446][ T101] tty_register_device_attr+0x341/0x6f0 [ 42.635996][ T101] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 42.641730][ T101] ? mark_held_locks+0x9f/0xe0 [ 42.646513][ T101] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 42.652490][ T101] ? tty_port_register_device_attr+0xb9/0x110 [ 42.658728][ T101] hso_serial_common_create+0x113/0x710 [ 42.664284][ T101] ? kasan_unpoison_shadow+0x30/0x40 [ 42.670259][ T101] hso_probe+0xc93/0x1b7b [ 42.674575][ T101] usb_probe_interface+0x305/0x7a0 [ 42.679674][ T101] ? usb_probe_device+0x100/0x100 [ 42.684681][ T101] really_probe+0x281/0x6d0 [ 42.689168][ T101] driver_probe_device+0x104/0x210 [ 42.694261][ T101] __device_attach_driver+0x1c2/0x220 [ 42.699645][ T101] ? driver_allows_async_probing+0x160/0x160 [ 42.705987][ T101] bus_for_each_drv+0x162/0x1e0 [ 42.711076][ T101] ? bus_rescan_devices+0x20/0x20 [ 42.716100][ T101] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 42.722037][ T101] ? lockdep_hardirqs_on+0x382/0x580 [ 42.727321][ T101] __device_attach+0x217/0x360 [ 42.732082][ T101] ? device_bind_driver+0xd0/0xd0 [ 42.737284][ T101] bus_probe_device+0x1e4/0x290 [ 42.742560][ T101] device_add+0x1480/0x1c20 [ 42.747424][ T101] ? wait_for_completion+0x3c0/0x3c0 [ 42.753169][ T101] ? device_links_flush_sync_list+0x350/0x350 [ 42.759315][ T101] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 42.765109][ T101] usb_set_configuration+0xe67/0x1740 [ 42.770473][ T101] generic_probe+0x9d/0xd5 [ 42.774868][ T101] usb_probe_device+0x99/0x100 [ 42.779626][ T101] ? usb_suspend+0x620/0x620 [ 42.784221][ T101] really_probe+0x281/0x6d0 [ 42.788704][ T101] driver_probe_device+0x104/0x210 [ 42.793809][ T101] __device_attach_driver+0x1c2/0x220 [ 42.799241][ T101] ? driver_allows_async_probing+0x160/0x160 [ 42.805211][ T101] bus_for_each_drv+0x162/0x1e0 [ 42.810100][ T101] ? bus_rescan_devices+0x20/0x20 [ 42.815125][ T101] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 42.820914][ T101] ? lockdep_hardirqs_on+0x382/0x580 [ 42.826200][ T101] __device_attach+0x217/0x360 [ 42.830965][ T101] ? device_bind_driver+0xd0/0xd0 [ 42.835992][ T101] bus_probe_device+0x1e4/0x290 [ 42.840845][ T101] device_add+0x1480/0x1c20 [ 42.845345][ T101] ? device_links_flush_sync_list+0x350/0x350 [ 42.851427][ T101] usb_new_device.cold+0x6a4/0xe79 [ 42.856540][ T101] hub_event+0x1e59/0x3860 [ 42.860942][ T101] ? hub_port_debounce+0x260/0x260 [ 42.866048][ T101] ? find_held_lock+0x2d/0x110 [ 42.870797][ T101] ? mark_held_locks+0xe0/0xe0 [ 42.875539][ T101] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 42.881080][ T101] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 42.886362][ T101] process_one_work+0x92b/0x1530 [ 42.891279][ T101] ? pwq_dec_nr_in_flight+0x310/0x310 [ 42.896630][ T101] ? do_raw_spin_lock+0x11a/0x280 [ 42.901640][ T101] worker_thread+0x96/0xe20 [ 42.906148][ T101] ? process_one_work+0x1530/0x1530 [ 42.911327][ T101] kthread+0x318/0x420 [ 42.915374][ T101] ? kthread_create_on_node+0xf0/0xf0 [ 42.920751][ T101] ret_from_fork+0x24/0x30 [ 42.925991][ T1739] hso 2-1:0.0: Failed to find BULK IN ep [ 42.933887][ T1740] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 42.939678][ T22] usb 3-1: USB disconnect, device number 2 [ 42.941448][ T1740] CPU: 0 PID: 1740 Comm: kworker/0:4 Not tainted 5.5.0-rc2-syzkaller #0 [ 42.955550][ T1740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.965617][ T1740] Workqueue: usb_hub_wq hub_event [ 42.970644][ T1740] Call Trace: [ 42.973939][ T1740] dump_stack+0xef/0x16e [ 42.978190][ T1740] sysfs_warn_dup.cold+0x1c/0x2d [ 42.983139][ T1740] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 42.989211][ T1740] sysfs_create_link+0x61/0xc0 executing program executing program executing program executing program [ 42.993984][ T1740] device_add+0x77d/0x1c20 [ 42.998406][ T1740] ? lockdep_init_map+0x1b0/0x5e0 [ 43.003422][ T1740] ? device_links_flush_sync_list+0x350/0x350 [ 43.009480][ T1740] ? __init_waitqueue_head+0x31/0x90 [ 43.014786][ T1740] tty_register_device_attr+0x341/0x6f0 [ 43.020342][ T1740] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 43.025885][ T1740] ? mark_held_locks+0x9f/0xe0 [ 43.030638][ T1740] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.036425][ T1740] ? tty_port_register_device_attr+0xb9/0x110 [ 43.042479][ T1740] hso_serial_common_create+0x113/0x710 [ 43.048009][ T1740] ? kasan_unpoison_shadow+0x30/0x40 [ 43.053289][ T1740] hso_probe+0xc93/0x1b7b [ 43.057607][ T1740] usb_probe_interface+0x305/0x7a0 [ 43.062742][ T1740] ? usb_probe_device+0x100/0x100 [ 43.067756][ T1740] really_probe+0x281/0x6d0 [ 43.072246][ T1740] driver_probe_device+0x104/0x210 [ 43.077342][ T1740] __device_attach_driver+0x1c2/0x220 [ 43.082719][ T1740] ? driver_allows_async_probing+0x160/0x160 [ 43.088686][ T1740] bus_for_each_drv+0x162/0x1e0 executing program executing program [ 43.093518][ T1740] ? bus_rescan_devices+0x20/0x20 [ 43.098533][ T1740] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.104323][ T1740] ? lockdep_hardirqs_on+0x382/0x580 [ 43.109605][ T1740] __device_attach+0x217/0x360 [ 43.114365][ T1740] ? device_bind_driver+0xd0/0xd0 [ 43.119388][ T1740] bus_probe_device+0x1e4/0x290 [ 43.124233][ T1740] device_add+0x1480/0x1c20 [ 43.128740][ T1740] ? wait_for_completion+0x3c0/0x3c0 [ 43.134034][ T1740] ? device_links_flush_sync_list+0x350/0x350 [ 43.140112][ T1740] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.146038][ T1740] usb_set_configuration+0xe67/0x1740 [ 43.151410][ T1740] generic_probe+0x9d/0xd5 [ 43.155813][ T1740] usb_probe_device+0x99/0x100 [ 43.160620][ T1740] ? usb_suspend+0x620/0x620 [ 43.165192][ T1740] really_probe+0x281/0x6d0 [ 43.169754][ T1740] driver_probe_device+0x104/0x210 [ 43.174875][ T1740] __device_attach_driver+0x1c2/0x220 [ 43.180252][ T1740] ? driver_allows_async_probing+0x160/0x160 [ 43.186224][ T1740] bus_for_each_drv+0x162/0x1e0 [ 43.191122][ T1740] ? bus_rescan_devices+0x20/0x20 [ 43.196132][ T1740] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.201923][ T1740] ? lockdep_hardirqs_on+0x382/0x580 [ 43.207298][ T1740] __device_attach+0x217/0x360 [ 43.212045][ T1740] ? device_bind_driver+0xd0/0xd0 [ 43.217058][ T1740] bus_probe_device+0x1e4/0x290 [ 43.221898][ T1740] device_add+0x1480/0x1c20 [ 43.226382][ T1740] ? device_links_flush_sync_list+0x350/0x350 [ 43.232429][ T1740] usb_new_device.cold+0x6a4/0xe79 [ 43.237561][ T1740] hub_event+0x1e59/0x3860 [ 43.241976][ T1740] ? hub_port_debounce+0x260/0x260 [ 43.247074][ T1740] ? find_held_lock+0x2d/0x110 [ 43.251823][ T1740] ? mark_held_locks+0xe0/0xe0 [ 43.256598][ T1740] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 43.262125][ T1740] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 43.267391][ T1740] process_one_work+0x92b/0x1530 [ 43.272324][ T1740] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.277676][ T1740] worker_thread+0x96/0xe20 [ 43.282159][ T1740] ? process_one_work+0x1530/0x1530 [ 43.287336][ T1740] kthread+0x318/0x420 [ 43.291397][ T1740] ? kthread_create_on_node+0xf0/0xf0 [ 43.296769][ T1740] ret_from_fork+0x24/0x30 [ 43.301642][ T12] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 43.309159][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-rc2-syzkaller #0 [ 43.317294][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.327469][ T12] Workqueue: usb_hub_wq hub_event [ 43.332478][ T12] Call Trace: [ 43.335767][ T12] dump_stack+0xef/0x16e [ 43.339998][ T12] sysfs_warn_dup.cold+0x1c/0x2d [ 43.344918][ T12] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 43.350966][ T12] sysfs_create_link+0x61/0xc0 [ 43.355719][ T12] device_add+0x77d/0x1c20 [ 43.360136][ T12] ? lockdep_init_map+0x1b0/0x5e0 [ 43.365156][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 43.371221][ T12] ? __init_waitqueue_head+0x31/0x90 [ 43.376497][ T12] tty_register_device_attr+0x341/0x6f0 [ 43.382023][ T12] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 43.387549][ T12] ? mark_held_locks+0x9f/0xe0 [ 43.392313][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.398120][ T12] ? tty_port_register_device_attr+0xb9/0x110 [ 43.404199][ T12] hso_serial_common_create+0x113/0x710 [ 43.409736][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 43.415061][ T12] hso_probe+0xc93/0x1b7b [ 43.419379][ T12] usb_probe_interface+0x305/0x7a0 [ 43.424472][ T12] ? usb_probe_device+0x100/0x100 [ 43.429479][ T12] really_probe+0x281/0x6d0 [ 43.433967][ T12] driver_probe_device+0x104/0x210 [ 43.439069][ T12] __device_attach_driver+0x1c2/0x220 [ 43.444427][ T12] ? driver_allows_async_probing+0x160/0x160 [ 43.450409][ T12] bus_for_each_drv+0x162/0x1e0 [ 43.455271][ T12] ? bus_rescan_devices+0x20/0x20 [ 43.460279][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.466069][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 43.471334][ T12] __device_attach+0x217/0x360 [ 43.476081][ T12] ? device_bind_driver+0xd0/0xd0 [ 43.481084][ T12] bus_probe_device+0x1e4/0x290 [ 43.485921][ T12] device_add+0x1480/0x1c20 [ 43.490424][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 43.495686][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 43.501741][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.507538][ T12] usb_set_configuration+0xe67/0x1740 [ 43.512893][ T12] generic_probe+0x9d/0xd5 [ 43.517305][ T12] usb_probe_device+0x99/0x100 [ 43.522061][ T12] ? usb_suspend+0x620/0x620 [ 43.526645][ T12] really_probe+0x281/0x6d0 [ 43.531127][ T12] driver_probe_device+0x104/0x210 [ 43.536234][ T12] __device_attach_driver+0x1c2/0x220 [ 43.541608][ T12] ? driver_allows_async_probing+0x160/0x160 [ 43.547594][ T12] bus_for_each_drv+0x162/0x1e0 [ 43.552533][ T12] ? bus_rescan_devices+0x20/0x20 [ 43.557561][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.563354][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 43.568640][ T12] __device_attach+0x217/0x360 [ 43.573401][ T12] ? device_bind_driver+0xd0/0xd0 [ 43.578409][ T12] bus_probe_device+0x1e4/0x290 [ 43.583258][ T12] device_add+0x1480/0x1c20 [ 43.587753][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 43.593807][ T12] usb_new_device.cold+0x6a4/0xe79 [ 43.598933][ T12] hub_event+0x1e59/0x3860 [ 43.603366][ T12] ? hub_port_debounce+0x260/0x260 [ 43.608478][ T12] ? find_held_lock+0x2d/0x110 [ 43.613224][ T12] ? mark_held_locks+0xe0/0xe0 [ 43.617989][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 43.623631][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 43.628895][ T12] process_one_work+0x92b/0x1530 [ 43.633823][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.639177][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 43.644186][ T12] worker_thread+0x96/0xe20 [ 43.648671][ T12] ? process_one_work+0x1530/0x1530 [ 43.653861][ T12] kthread+0x318/0x420 [ 43.657916][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 43.663276][ T12] ret_from_fork+0x24/0x30 [ 43.670824][ T1739] usb 2-1: USB disconnect, device number 2 [ 43.677968][ T12] hso 5-1:0.0: Failed to find BULK IN ep [ 43.683773][ T12] kasan: CONFIG_KASAN_INLINE enabled [ 43.689124][ T12] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.697258][ T12] general protection fault: 0000 [#1] SMP KASAN [ 43.703496][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-rc2-syzkaller #0 [ 43.711619][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.721770][ T12] Workqueue: usb_hub_wq hub_event [ 43.726780][ T12] RIP: 0010:cdev_del+0x22/0x90 [ 43.731542][ T12] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 a3 de 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 [ 43.751383][ T12] RSP: 0018:ffff8881da227268 EFLAGS: 00010207 [ 43.757426][ T12] RAX: dffffc0000000000 RBX: ffff8881d6c23f00 RCX: ffffffff8213d77e [ 43.765374][ T12] RDX: 000000000000000c RSI: ffffffff816c20fd RDI: 0000000000000064 [ 43.773408][ T12] RBP: 0000000000000000 R08: ffff8881da211880 R09: fffffbfff11f1eb6 [ 43.781357][ T12] R10: fffffbfff11f1eb5 R11: ffffffff88f8f5af R12: 0000000000000000 [ 43.789334][ T12] R13: ffff8881d566d000 R14: ffff8881ceca6000 R15: ffff8881cf17b070 [ 43.797296][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 43.806211][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.812776][ T12] CR2: 00000000004c43c8 CR3: 0000000006e21000 CR4: 00000000001406f0 [ 43.820729][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.828683][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.836634][ T12] Call Trace: [ 43.839920][ T12] tty_unregister_device+0x10d/0x1a0 [ 43.845194][ T12] hso_probe.cold+0x6e/0x14c [ 43.849777][ T12] usb_probe_interface+0x305/0x7a0 [ 43.854878][ T12] ? usb_probe_device+0x100/0x100 [ 43.859899][ T12] really_probe+0x281/0x6d0 [ 43.864382][ T12] driver_probe_device+0x104/0x210 [ 43.869480][ T12] __device_attach_driver+0x1c2/0x220 [ 43.874879][ T12] ? driver_allows_async_probing+0x160/0x160 [ 43.880842][ T12] bus_for_each_drv+0x162/0x1e0 [ 43.885740][ T12] ? bus_rescan_devices+0x20/0x20 [ 43.890756][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.896557][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 43.901837][ T12] __device_attach+0x217/0x360 [ 43.906596][ T12] ? device_bind_driver+0xd0/0xd0 [ 43.911625][ T12] bus_probe_device+0x1e4/0x290 [ 43.916517][ T12] device_add+0x1480/0x1c20 [ 43.921016][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 43.926295][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 43.932347][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.938140][ T12] usb_set_configuration+0xe67/0x1740 [ 43.943542][ T12] generic_probe+0x9d/0xd5 [ 43.947943][ T12] usb_probe_device+0x99/0x100 [ 43.952694][ T12] ? usb_suspend+0x620/0x620 [ 43.957316][ T12] really_probe+0x281/0x6d0 [ 43.961799][ T12] driver_probe_device+0x104/0x210 [ 43.966890][ T12] __device_attach_driver+0x1c2/0x220 [ 43.972696][ T12] ? driver_allows_async_probing+0x160/0x160 [ 43.978655][ T12] bus_for_each_drv+0x162/0x1e0 [ 43.983495][ T12] ? bus_rescan_devices+0x20/0x20 [ 43.988517][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 43.994304][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 43.999582][ T12] __device_attach+0x217/0x360 [ 44.004596][ T12] ? device_bind_driver+0xd0/0xd0 [ 44.009611][ T12] bus_probe_device+0x1e4/0x290 [ 44.014449][ T12] device_add+0x1480/0x1c20 [ 44.018937][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 44.024984][ T12] usb_new_device.cold+0x6a4/0xe79 [ 44.030091][ T12] hub_event+0x1e59/0x3860 [ 44.034487][ T12] ? hub_port_debounce+0x260/0x260 [ 44.039583][ T12] ? find_held_lock+0x2d/0x110 [ 44.044378][ T12] ? mark_held_locks+0xe0/0xe0 [ 44.049178][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 44.054751][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 44.060031][ T12] process_one_work+0x92b/0x1530 [ 44.064959][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 44.070320][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 44.075388][ T12] worker_thread+0x96/0xe20 [ 44.079874][ T12] ? process_one_work+0x1530/0x1530 [ 44.085069][ T12] kthread+0x318/0x420 [ 44.089179][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 44.094532][ T12] ret_from_fork+0x24/0x30 [ 44.098973][ T12] Modules linked in: [ 44.102901][ T12] ---[ end trace d07cd0f11883a25a ]--- [ 44.108376][ T12] RIP: 0010:cdev_del+0x22/0x90 [ 44.113145][ T12] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 a3 de 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 [ 44.132780][ T12] RSP: 0018:ffff8881da227268 EFLAGS: 00010207 [ 44.138863][ T12] RAX: dffffc0000000000 RBX: ffff8881d6c23f00 RCX: ffffffff8213d77e [ 44.146846][ T12] RDX: 000000000000000c RSI: ffffffff816c20fd RDI: 0000000000000064 [ 44.154832][ T12] RBP: 0000000000000000 R08: ffff8881da211880 R09: fffffbfff11f1eb6 [ 44.162792][ T12] R10: fffffbfff11f1eb5 R11: ffffffff88f8f5af R12: 0000000000000000 [ 44.170795][ T12] R13: ffff8881d566d000 R14: ffff8881ceca6000 R15: ffff8881cf17b070 [ 44.178792][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 44.187749][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.194377][ T12] CR2: 00000000004c43c8 CR3: 0000000006e21000 CR4: 00000000001406f0 [ 44.202340][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.210339][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.218325][ T12] Kernel panic - not syncing: Fatal exception [ 44.225050][ T12] Kernel Offset: disabled [ 44.229390][ T12] Rebooting in 86400 seconds..