[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. [ 15.053791][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 41.690943][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 41.710930][ T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 41.711505][ T102] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 41.718516][ T17] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 41.733977][ T1745] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 41.741751][ T22] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 41.930940][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 41.960856][ T102] usb 4-1: Using ep0 maxpacket: 8 [ 41.980918][ T22] usb 3-1: Using ep0 maxpacket: 8 [ 41.986394][ T83] usb 6-1: Using ep0 maxpacket: 8 [ 41.991599][ T1745] usb 5-1: Using ep0 maxpacket: 8 [ 41.996791][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 42.050972][ T12] usb 1-1: config 0 has an invalid interface number: 9 but max is 0 [ 42.059133][ T12] usb 1-1: config 0 has no interface number 0 [ 42.065382][ T12] usb 1-1: New USB device found, idVendor=0af0, idProduct=d157, bcdDevice=54.2d [ 42.074535][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.082791][ T102] usb 4-1: config 0 has an invalid interface number: 9 but max is 0 [ 42.090774][ T102] usb 4-1: config 0 has no interface number 0 [ 42.097703][ T102] usb 4-1: New USB device found, idVendor=0af0, idProduct=d157, bcdDevice=54.2d [ 42.106925][ T102] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.111155][ T22] usb 3-1: config 0 has an invalid interface number: 9 but max is 0 [ 42.115943][ T12] usb 1-1: config 0 descriptor?? [ 42.123402][ T22] usb 3-1: config 0 has no interface number 0 [ 42.133090][ T102] usb 4-1: config 0 descriptor?? [ 42.134676][ T1745] usb 5-1: config 0 has an invalid interface number: 9 but max is 0 [ 42.147459][ T1745] usb 5-1: config 0 has no interface number 0 [ 42.153647][ T83] usb 6-1: config 0 has an invalid interface number: 9 but max is 0 [ 42.161696][ T83] usb 6-1: config 0 has no interface number 0 [ 42.167812][ T17] usb 2-1: config 0 has an invalid interface number: 9 but max is 0 [ 42.175953][ T17] usb 2-1: config 0 has no interface number 0 [ 42.182109][ T83] usb 6-1: New USB device found, idVendor=0af0, idProduct=d157, bcdDevice=54.2d [ 42.191211][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.199527][ T1745] usb 5-1: New USB device found, idVendor=0af0, idProduct=d157, bcdDevice=54.2d [ 42.208714][ T1745] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.216880][ T17] usb 2-1: New USB device found, idVendor=0af0, idProduct=d157, bcdDevice=54.2d [ 42.225951][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.234008][ T22] usb 3-1: New USB device found, idVendor=0af0, idProduct=d157, bcdDevice=54.2d [ 42.243542][ T22] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.252333][ T83] usb 6-1: config 0 descriptor?? [ 42.258437][ T1745] usb 5-1: config 0 descriptor?? [ 42.263968][ T17] usb 2-1: config 0 descriptor?? [ 42.270451][ T22] usb 3-1: config 0 descriptor?? [ 42.382250][ T12] hso 1-1:0.9: Failed to find BULK IN ep [ 42.392562][ T102] hso 4-1:0.9: Failed to find BULK IN ep [ 42.501833][ T83] hso 6-1:0.9: Failed to find BULK IN ep [ 42.552036][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 42.559668][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.3.0+ #0 [ 42.566701][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.577644][ T17] Workqueue: usb_hub_wq hub_event [ 42.582661][ T17] Call Trace: [ 42.585947][ T17] dump_stack+0xca/0x13e [ 42.590230][ T17] sysfs_warn_dup.cold+0x1c/0x29 [ 42.593343][ T102] usb 4-1: USB disconnect, device number 2 executing program [ 42.595181][ T17] sysfs_do_create_link_sd.isra.0+0x10f/0x130 [ 42.607057][ T17] sysfs_create_link+0x61/0xc0 [ 42.611840][ T17] device_add+0x788/0x16f0 [ 42.616269][ T17] ? uevent_store+0x50/0x50 [ 42.620789][ T17] ? __init_waitqueue_head+0x31/0x90 [ 42.626132][ T17] tty_register_device_attr+0x341/0x6f0 [ 42.631665][ T17] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 42.637207][ T17] ? mark_held_locks+0x9f/0xe0 [ 42.641975][ T17] ? tty_port_link_device+0x59/0xc0 [ 42.647167][ T17] hso_serial_common_create+0x113/0x710 [ 42.652702][ T17] ? kasan_unpoison_shadow+0x30/0x40 [ 42.657988][ T17] hso_probe+0xc93/0x1a46 [ 42.662319][ T17] usb_probe_interface+0x305/0x7a0 [ 42.667429][ T17] ? usb_probe_device+0x100/0x100 [ 42.672449][ T17] really_probe+0x281/0x6d0 [ 42.676947][ T17] driver_probe_device+0x104/0x210 [ 42.682103][ T17] __device_attach_driver+0x1c2/0x220 [ 42.687476][ T17] ? driver_allows_async_probing+0x160/0x160 [ 42.693448][ T17] bus_for_each_drv+0x162/0x1e0 executing program [ 42.698298][ T17] ? bus_rescan_devices+0x20/0x20 [ 42.702577][ T12] usb 6-1: USB disconnect, device number 2 [ 42.703320][ T17] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.715187][ T17] ? lockdep_hardirqs_on+0x382/0x580 [ 42.720485][ T17] __device_attach+0x217/0x360 [ 42.725256][ T17] ? device_bind_driver+0xd0/0xd0 [ 42.730290][ T17] ? kobject_uevent_env+0x29e/0x1150 [ 42.735661][ T17] ? kobject_uevent_env+0x2a8/0x1150 [ 42.740947][ T17] bus_probe_device+0x1e4/0x290 [ 42.745807][ T17] ? blocking_notifier_call_chain+0x54/0xa0 [ 42.751786][ T17] device_add+0xae6/0x16f0 [ 42.756204][ T17] ? uevent_store+0x50/0x50 [ 42.760694][ T17] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.766485][ T17] usb_set_configuration+0xdf6/0x1670 [ 42.771932][ T17] generic_probe+0x9d/0xd5 [ 42.776332][ T17] usb_probe_device+0x99/0x100 [ 42.781098][ T17] ? usb_suspend+0x620/0x620 [ 42.785682][ T17] really_probe+0x281/0x6d0 [ 42.790185][ T17] driver_probe_device+0x104/0x210 [ 42.795282][ T17] __device_attach_driver+0x1c2/0x220 [ 42.800635][ T17] ? driver_allows_async_probing+0x160/0x160 [ 42.806601][ T17] bus_for_each_drv+0x162/0x1e0 [ 42.811452][ T17] ? bus_rescan_devices+0x20/0x20 [ 42.816470][ T17] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.822274][ T17] ? lockdep_hardirqs_on+0x382/0x580 [ 42.827744][ T17] __device_attach+0x217/0x360 [ 42.832507][ T17] ? device_bind_driver+0xd0/0xd0 [ 42.837518][ T17] ? kobject_uevent_env+0x29e/0x1150 [ 42.842788][ T17] ? kobject_uevent_env+0x2a8/0x1150 [ 42.848058][ T17] bus_probe_device+0x1e4/0x290 [ 42.853068][ T17] ? blocking_notifier_call_chain+0x54/0xa0 [ 42.858948][ T17] device_add+0xae6/0x16f0 [ 42.863364][ T17] ? uevent_store+0x50/0x50 [ 42.867852][ T17] usb_new_device.cold+0x6a4/0xe79 [ 42.872946][ T17] hub_event+0x1b5c/0x3640 [ 42.877348][ T17] ? hub_port_debounce+0x260/0x260 [ 42.882457][ T17] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 42.887990][ T17] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 42.893276][ T17] process_one_work+0x92b/0x1530 [ 42.898211][ T17] ? pwq_dec_nr_in_flight+0x310/0x310 executing program executing program [ 42.903565][ T17] ? do_raw_spin_lock+0x11a/0x280 [ 42.908575][ T17] worker_thread+0x96/0xe20 [ 42.913075][ T17] ? process_one_work+0x1530/0x1530 [ 42.918255][ T17] kthread+0x318/0x420 [ 42.922323][ T17] ? kthread_create_on_node+0xf0/0xf0 [ 42.927681][ T17] ret_from_fork+0x24/0x30 [ 42.932789][ T1745] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 42.940267][ T1745] CPU: 1 PID: 1745 Comm: kworker/1:3 Not tainted 5.3.0+ #0 executing program executing program [ 42.947463][ T1745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.953526][ T1748] usb 1-1: USB disconnect, device number 2 [ 42.957518][ T1745] Workqueue: usb_hub_wq hub_event [ 42.957527][ T1745] Call Trace: [ 42.957546][ T1745] dump_stack+0xca/0x13e [ 42.957559][ T1745] sysfs_warn_dup.cold+0x1c/0x29 [ 42.957569][ T1745] sysfs_do_create_link_sd.isra.0+0x10f/0x130 [ 42.957584][ T1745] sysfs_create_link+0x61/0xc0 [ 42.991749][ T1745] device_add+0x788/0x16f0 [ 42.996164][ T1745] ? uevent_store+0x50/0x50 [ 43.000650][ T1745] ? __init_waitqueue_head+0x31/0x90 [ 43.005924][ T1745] tty_register_device_attr+0x341/0x6f0 [ 43.011467][ T1745] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 43.017021][ T1745] ? mark_held_locks+0x9f/0xe0 [ 43.021782][ T1745] ? tty_port_link_device+0x59/0xc0 [ 43.026966][ T1745] hso_serial_common_create+0x113/0x710 [ 43.032507][ T1745] ? kasan_unpoison_shadow+0x30/0x40 [ 43.037780][ T1745] hso_probe+0xc93/0x1a46 [ 43.042116][ T1745] usb_probe_interface+0x305/0x7a0 [ 43.047221][ T1745] ? usb_probe_device+0x100/0x100 [ 43.052229][ T1745] really_probe+0x281/0x6d0 [ 43.056715][ T1745] driver_probe_device+0x104/0x210 [ 43.061817][ T1745] __device_attach_driver+0x1c2/0x220 [ 43.068136][ T1745] ? driver_allows_async_probing+0x160/0x160 [ 43.074113][ T1745] bus_for_each_drv+0x162/0x1e0 [ 43.078946][ T1745] ? bus_rescan_devices+0x20/0x20 [ 43.083969][ T1745] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.089944][ T1745] ? lockdep_hardirqs_on+0x382/0x580 [ 43.095214][ T1745] __device_attach+0x217/0x360 [ 43.099994][ T1745] ? device_bind_driver+0xd0/0xd0 [ 43.105102][ T1745] ? kobject_uevent_env+0x29e/0x1150 [ 43.111158][ T1745] ? kobject_uevent_env+0x2a8/0x1150 [ 43.116548][ T1745] bus_probe_device+0x1e4/0x290 [ 43.121429][ T1745] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.127312][ T1745] device_add+0xae6/0x16f0 [ 43.130918][ T102] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 43.131895][ T1745] ? uevent_store+0x50/0x50 [ 43.131910][ T1745] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.131922][ T1745] usb_set_configuration+0xdf6/0x1670 [ 43.131933][ T1745] generic_probe+0x9d/0xd5 [ 43.131951][ T1745] usb_probe_device+0x99/0x100 [ 43.164204][ T1745] ? usb_suspend+0x620/0x620 [ 43.168883][ T1745] really_probe+0x281/0x6d0 [ 43.173374][ T1745] driver_probe_device+0x104/0x210 [ 43.178475][ T1745] __device_attach_driver+0x1c2/0x220 [ 43.183859][ T1745] ? driver_allows_async_probing+0x160/0x160 [ 43.189835][ T1745] bus_for_each_drv+0x162/0x1e0 [ 43.194685][ T1745] ? bus_rescan_devices+0x20/0x20 [ 43.199697][ T1745] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.205500][ T1745] ? lockdep_hardirqs_on+0x382/0x580 [ 43.210771][ T1745] __device_attach+0x217/0x360 [ 43.215523][ T1745] ? device_bind_driver+0xd0/0xd0 [ 43.220542][ T1745] ? kobject_uevent_env+0x29e/0x1150 [ 43.225858][ T1745] ? kobject_uevent_env+0x2a8/0x1150 [ 43.230879][ T12] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 43.231144][ T1745] bus_probe_device+0x1e4/0x290 [ 43.231159][ T1745] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.231173][ T1745] device_add+0xae6/0x16f0 [ 43.253727][ T1745] ? uevent_store+0x50/0x50 [ 43.258238][ T1745] usb_new_device.cold+0x6a4/0xe79 [ 43.263337][ T1745] hub_event+0x1b5c/0x3640 [ 43.267755][ T1745] ? hub_port_debounce+0x260/0x260 [ 43.272858][ T1745] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 43.278390][ T1745] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 43.283670][ T1745] process_one_work+0x92b/0x1530 [ 43.288615][ T1745] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.294049][ T1745] worker_thread+0x96/0xe20 [ 43.298561][ T1745] ? process_one_work+0x1530/0x1530 [ 43.303771][ T1745] kthread+0x318/0x420 [ 43.307842][ T1745] ? kthread_create_on_node+0xf0/0xf0 [ 43.313203][ T1745] ret_from_fork+0x24/0x30 [ 43.318325][ T22] hso 3-1:0.9: Failed to find BULK IN ep [ 43.326722][ T22] usb 3-1: USB disconnect, device number 2 [ 43.332987][ T17] hso 2-1:0.9: Failed to find BULK IN ep [ 43.338741][ T17] kasan: CONFIG_KASAN_INLINE enabled [ 43.344192][ T17] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.352291][ T17] general protection fault: 0000 [#1] SMP KASAN [ 43.358529][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.3.0+ #0 [ 43.365531][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.370851][ T1748] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 43.375684][ T17] Workqueue: usb_hub_wq hub_event [ 43.375701][ T17] RIP: 0010:cdev_del+0x22/0x90 [ 43.375710][ T17] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 13 86 d4 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 [ 43.375721][ T17] RSP: 0018:ffff8881da24f2c0 EFLAGS: 00010207 [ 43.383246][ T102] usb 4-1: Using ep0 maxpacket: 8 [ 43.388190][ T17] RAX: dffffc0000000000 RBX: ffff8881d621f600 RCX: ffffffff820e87de [ 43.388197][ T17] RDX: 000000000000000c RSI: ffffffff8169b68d RDI: 0000000000000064 [ 43.388202][ T17] RBP: 0000000000000000 R08: ffff8881da233000 R09: fffffbfff11f43ae [ 43.388208][ T17] R10: fffffbfff11f43ad R11: ffffffff88fa1d6f R12: 0000000000000000 [ 43.388213][ T17] R13: ffff8881d609f700 R14: ffff8881d2560000 R15: ffff8881d7907770 [ 43.388228][ T17] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 43.470923][ T12] usb 6-1: Using ep0 maxpacket: 8 [ 43.473222][ T17] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.473229][ T17] CR2: 00007f3d456fb000 CR3: 0000000006e21000 CR4: 00000000001406e0 [ 43.473236][ T17] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.473242][ T17] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.473252][ T17] Call Trace: [ 43.510956][ T102] usb 4-1: config 0 has an invalid interface number: 9 but max is 0 [ 43.511950][ T17] tty_unregister_device+0x10d/0x1a0 [ 43.511963][ T17] hso_probe.cold+0xc8/0x121 [ 43.511979][ T17] usb_probe_interface+0x305/0x7a0 [ 43.519949][ T102] usb 4-1: config 0 has no interface number 0 [ 43.525312][ T17] ? usb_probe_device+0x100/0x100 [ 43.525324][ T17] really_probe+0x281/0x6d0 [ 43.525335][ T17] driver_probe_device+0x104/0x210 [ 43.525350][ T17] __device_attach_driver+0x1c2/0x220 [ 43.530656][ T102] usb 4-1: New USB device found, idVendor=0af0, idProduct=d157, bcdDevice=54.2d [ 43.535005][ T17] ? driver_allows_async_probing+0x160/0x160 [ 43.535014][ T17] bus_for_each_drv+0x162/0x1e0 [ 43.535025][ T17] ? bus_rescan_devices+0x20/0x20 [ 43.535037][ T17] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.535049][ T17] ? lockdep_hardirqs_on+0x382/0x580 [ 43.535057][ T17] __device_attach+0x217/0x360 [ 43.535072][ T17] ? device_bind_driver+0xd0/0xd0 [ 43.541177][ T102] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 43.546126][ T17] ? kobject_uevent_env+0x29e/0x1150 [ 43.554603][ T102] usb 4-1: config 0 descriptor?? [ 43.555728][ T17] ? kobject_uevent_env+0x2a8/0x1150 [ 43.555742][ T17] bus_probe_device+0x1e4/0x290 [ 43.555760][ T17] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.600911][ T12] usb 6-1: config 0 has an invalid interface number: 9 but max is 0 [ 43.602987][ T17] device_add+0xae6/0x16f0 [ 43.602997][ T17] ? uevent_store+0x50/0x50 [ 43.603022][ T17] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.608028][ T12] usb 6-1: config 0 has no interface number 0 [ 43.615995][ T17] usb_set_configuration+0xdf6/0x1670 [ 43.616007][ T17] generic_probe+0x9d/0xd5 [ 43.616017][ T17] usb_probe_device+0x99/0x100 [ 43.616026][ T17] ? usb_suspend+0x620/0x620 [ 43.616036][ T17] really_probe+0x281/0x6d0 [ 43.616046][ T17] driver_probe_device+0x104/0x210 [ 43.616056][ T17] __device_attach_driver+0x1c2/0x220 [ 43.616072][ T17] ? driver_allows_async_probing+0x160/0x160 [ 43.625168][ T12] usb 6-1: New USB device found, idVendor=0af0, idProduct=d157, bcdDevice=54.2d [ 43.626267][ T17] bus_for_each_drv+0x162/0x1e0 [ 43.626279][ T17] ? bus_rescan_devices+0x20/0x20 [ 43.626290][ T17] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.626309][ T17] ? lockdep_hardirqs_on+0x382/0x580 [ 43.631609][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 43.636495][ T17] __device_attach+0x217/0x360 [ 43.647058][ T12] usb 6-1: config 0 descriptor?? [ 43.651022][ T17] ? device_bind_driver+0xd0/0xd0 [ 43.651036][ T17] ? kobject_uevent_env+0x29e/0x1150 [ 43.651044][ T17] ? kobject_uevent_env+0x2a8/0x1150 [ 43.651054][ T17] bus_probe_device+0x1e4/0x290 [ 43.651065][ T17] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.651079][ T17] device_add+0xae6/0x16f0 [ 43.655583][ T1748] usb 1-1: Using ep0 maxpacket: 8 [ 43.659964][ T17] ? uevent_store+0x50/0x50 [ 43.659978][ T17] usb_new_device.cold+0x6a4/0xe79 [ 43.659988][ T17] hub_event+0x1b5c/0x3640 [ 43.660003][ T17] ? hub_port_debounce+0x260/0x260 [ 43.780935][ T1748] usb 1-1: config 0 has an invalid interface number: 9 but max is 0 [ 43.781155][ T17] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 43.787038][ T1748] usb 1-1: config 0 has no interface number 0 [ 43.791415][ T17] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 43.791428][ T17] process_one_work+0x92b/0x1530 [ 43.791439][ T17] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.791453][ T17] ? do_raw_spin_lock+0x11a/0x280 [ 43.796916][ T1748] usb 1-1: New USB device found, idVendor=0af0, idProduct=d157, bcdDevice=54.2d [ 43.800944][ T17] worker_thread+0x96/0xe20 [ 43.800957][ T17] ? process_one_work+0x1530/0x1530 [ 43.800967][ T17] kthread+0x318/0x420 [ 43.800976][ T17] ? kthread_create_on_node+0xf0/0xf0 [ 43.800987][ T17] ret_from_fork+0x24/0x30 [ 43.800991][ T17] Modules linked in: [ 43.801061][ T17] ---[ end trace 7069dd6a6a1d49a2 ]--- [ 43.806116][ T1748] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 43.810516][ T17] RIP: 0010:cdev_del+0x22/0x90 [ 43.819807][ T1748] usb 1-1: config 0 descriptor?? [ 43.823597][ T17] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 13 86 d4 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 [ 43.823604][ T17] RSP: 0018:ffff8881da24f2c0 EFLAGS: 00010207 [ 43.823615][ T17] RAX: dffffc0000000000 RBX: ffff8881d621f600 RCX: ffffffff820e87de [ 43.823620][ T17] RDX: 000000000000000c RSI: ffffffff8169b68d RDI: 0000000000000064 [ 43.823626][ T17] RBP: 0000000000000000 R08: ffff8881da233000 R09: fffffbfff11f43ae [ 43.823632][ T17] R10: fffffbfff11f43ad R11: ffffffff88fa1d6f R12: 0000000000000000 [ 43.823645][ T17] R13: ffff8881d609f700 R14: ffff8881d2560000 R15: ffff8881d7907770 [ 43.841797][ T102] hso 4-1:0.9: Failed to find BULK IN ep [ 43.845468][ T17] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 43.845480][ T17] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.921684][ T12] hso 6-1:0.9: Failed to find BULK IN ep [ 43.935398][ T17] CR2: 00007f3d456fb000 CR3: 0000000006e21000 CR4: 00000000001406e0 [ 44.018345][ T17] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.026332][ T17] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.034406][ T17] Kernel panic - not syncing: Fatal exception [ 44.041122][ T17] Kernel Offset: disabled [ 44.045464][ T17] Rebooting in 86400 seconds..