[info] Using makefile-style concurrent boot in runlevel 2. [ 14.849013][ 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 '10.128.0.21' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 55.310739][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 55.310746][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 55.311209][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 55.320941][ T1739] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 55.342992][ T1738] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 55.350512][ T5] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 55.670806][ T12] usb 6-1: config 0 has an invalid interface number: 1 but max is 0 [ 55.679345][ T12] usb 6-1: config 0 has no interface number 0 [ 55.686015][ T12] usb 6-1: New USB device found, idVendor=0af0, idProduct=7071, bcdDevice=d3.eb [ 55.690800][ T17] usb 4-1: config 0 has an invalid interface number: 1 but max is 0 [ 55.695107][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.703106][ T17] usb 4-1: config 0 has no interface number 0 [ 55.703370][ T83] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 55.711514][ T1738] usb 5-1: config 0 has an invalid interface number: 1 but max is 0 [ 55.717356][ T83] usb 1-1: config 0 has no interface number 0 [ 55.725460][ T1738] usb 5-1: config 0 has no interface number 0 [ 55.733616][ T17] usb 4-1: New USB device found, idVendor=0af0, idProduct=7071, bcdDevice=d3.eb [ 55.739523][ T5] usb 2-1: config 0 has an invalid interface number: 1 but max is 0 [ 55.739536][ T5] usb 2-1: config 0 has no interface number 0 [ 55.739562][ T5] usb 2-1: New USB device found, idVendor=0af0, idProduct=7071, bcdDevice=d3.eb [ 55.745668][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.754705][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.762905][ T83] usb 1-1: New USB device found, idVendor=0af0, idProduct=7071, bcdDevice=d3.eb [ 55.768809][ T1739] usb 3-1: config 0 has an invalid interface number: 1 but max is 0 [ 55.768821][ T1739] usb 3-1: config 0 has no interface number 0 [ 55.768847][ T1739] usb 3-1: New USB device found, idVendor=0af0, idProduct=7071, bcdDevice=d3.eb [ 55.777875][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.785916][ T1739] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.799445][ T17] usb 4-1: config 0 descriptor?? [ 55.804287][ T1738] usb 5-1: New USB device found, idVendor=0af0, idProduct=7071, bcdDevice=d3.eb [ 55.816334][ T83] usb 1-1: config 0 descriptor?? [ 55.817433][ T1738] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.818646][ T12] usb 6-1: config 0 descriptor?? [ 55.871889][ T83] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 55.876612][ T1738] usb 5-1: config 0 descriptor?? [ 55.884099][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0+ #0 [ 55.889875][ T1739] usb 3-1: config 0 descriptor?? [ 55.896025][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.896044][ T83] Workqueue: usb_hub_wq hub_event [ 55.896051][ T83] Call Trace: [ 55.896070][ T83] dump_stack+0xca/0x13e [ 55.896089][ T83] sysfs_warn_dup.cold+0x1c/0x29 [ 55.902024][ T5] usb 2-1: config 0 descriptor?? [ 55.911161][ T83] sysfs_do_create_link_sd.isra.0+0x10f/0x130 [ 55.911172][ T83] sysfs_create_link+0x61/0xc0 [ 55.911184][ T83] device_add+0x788/0x16f0 [ 55.911194][ T83] ? uevent_store+0x50/0x50 [ 55.911212][ T83] ? __init_waitqueue_head+0x31/0x90 [ 55.951949][ T1738] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 55.953730][ T83] tty_register_device_attr+0x341/0x6f0 [ 55.971976][ T83] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 55.977515][ T83] ? mark_held_locks+0x9f/0xe0 [ 55.982276][ T83] ? tty_port_link_device+0x59/0xc0 [ 55.987470][ T83] hso_serial_common_create+0x113/0x710 [ 55.993027][ T83] ? kasan_unpoison_shadow+0x30/0x40 [ 55.998505][ T83] hso_probe+0xc93/0x1a46 [ 56.002829][ T83] usb_probe_interface+0x305/0x7a0 [ 56.008051][ T83] ? usb_probe_device+0x100/0x100 [ 56.013160][ T83] really_probe+0x281/0x6d0 [ 56.017658][ T83] driver_probe_device+0x101/0x1b0 [ 56.022765][ T83] __device_attach_driver+0x1c2/0x220 [ 56.028165][ T83] ? driver_allows_async_probing+0x160/0x160 [ 56.034159][ T83] bus_for_each_drv+0x162/0x1e0 [ 56.039086][ T83] ? bus_rescan_devices+0x20/0x20 [ 56.044130][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 56.050019][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 56.055404][ T83] __device_attach+0x217/0x360 [ 56.060164][ T83] ? device_bind_driver+0xd0/0xd0 [ 56.065181][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 56.070459][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 56.075748][ T83] bus_probe_device+0x1e4/0x290 [ 56.080618][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 56.086513][ T83] device_add+0xae6/0x16f0 [ 56.091034][ T83] ? uevent_store+0x50/0x50 [ 56.095529][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 56.101417][ T83] usb_set_configuration+0xdf6/0x1670 [ 56.106807][ T83] generic_probe+0x9d/0xd5 [ 56.111232][ T83] usb_probe_device+0x99/0x100 [ 56.116002][ T83] ? usb_suspend+0x620/0x620 [ 56.120598][ T83] really_probe+0x281/0x6d0 [ 56.125097][ T83] driver_probe_device+0x101/0x1b0 [ 56.130204][ T83] __device_attach_driver+0x1c2/0x220 [ 56.135579][ T83] ? driver_allows_async_probing+0x160/0x160 [ 56.141554][ T83] bus_for_each_drv+0x162/0x1e0 [ 56.146487][ T83] ? bus_rescan_devices+0x20/0x20 [ 56.151646][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 56.157475][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 56.162766][ T83] __device_attach+0x217/0x360 [ 56.167523][ T83] ? device_bind_driver+0xd0/0xd0 [ 56.172652][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 56.177933][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 56.183312][ T83] bus_probe_device+0x1e4/0x290 [ 56.188186][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 56.194075][ T83] device_add+0xae6/0x16f0 [ 56.198491][ T83] ? uevent_store+0x50/0x50 [ 56.203007][ T83] usb_new_device.cold+0x6a4/0xe79 [ 56.208266][ T83] hub_event+0x1b5c/0x3640 [ 56.212796][ T83] ? hub_port_debounce+0x260/0x260 [ 56.217991][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.223535][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 56.228920][ T83] process_one_work+0x92b/0x1530 [ 56.233853][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.239272][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 56.244501][ T83] worker_thread+0x96/0xe20 [ 56.249188][ T83] ? process_one_work+0x1530/0x1530 [ 56.254397][ T83] kthread+0x318/0x420 [ 56.258665][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 56.264029][ T83] ret_from_fork+0x24/0x30 [ 56.268459][ T1738] CPU: 0 PID: 1738 Comm: kworker/0:2 Not tainted 5.3.0+ #0 [ 56.269366][ T17] hso 4-1:0.1: Failed to find BULK IN ep [ 56.275665][ T1738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.275681][ T1738] Workqueue: usb_hub_wq hub_event [ 56.275688][ T1738] Call Trace: [ 56.275706][ T1738] dump_stack+0xca/0x13e [ 56.275726][ T1738] sysfs_warn_dup.cold+0x1c/0x29 [ 56.309105][ T1738] sysfs_do_create_link_sd.isra.0+0x10f/0x130 [ 56.315175][ T1738] sysfs_create_link+0x61/0xc0 [ 56.319928][ T1738] device_add+0x788/0x16f0 [ 56.324353][ T1738] ? uevent_store+0x50/0x50 [ 56.328853][ T1738] ? __init_waitqueue_head+0x31/0x90 [ 56.334392][ T1738] tty_register_device_attr+0x341/0x6f0 [ 56.340012][ T1738] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 56.345546][ T1738] ? mark_held_locks+0x9f/0xe0 [ 56.350301][ T1738] ? tty_port_link_device+0x59/0xc0 [ 56.355615][ T1738] hso_serial_common_create+0x113/0x710 [ 56.361500][ T1738] ? kasan_unpoison_shadow+0x30/0x40 [ 56.367040][ T1738] hso_probe+0xc93/0x1a46 [ 56.371385][ T1738] usb_probe_interface+0x305/0x7a0 [ 56.376574][ T1738] ? usb_probe_device+0x100/0x100 [ 56.381608][ T1738] really_probe+0x281/0x6d0 [ 56.386112][ T1738] driver_probe_device+0x101/0x1b0 [ 56.391252][ T1738] __device_attach_driver+0x1c2/0x220 [ 56.396615][ T1738] ? driver_allows_async_probing+0x160/0x160 [ 56.402771][ T1738] bus_for_each_drv+0x162/0x1e0 [ 56.407612][ T1738] ? bus_rescan_devices+0x20/0x20 [ 56.412725][ T1738] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 56.418607][ T1738] ? lockdep_hardirqs_on+0x379/0x580 [ 56.423897][ T1738] __device_attach+0x217/0x360 [ 56.428653][ T1738] ? device_bind_driver+0xd0/0xd0 [ 56.433797][ T1738] ? kobject_uevent_env+0x29e/0x1150 [ 56.439111][ T1738] ? kobject_uevent_env+0x2a8/0x1150 [ 56.444397][ T1738] bus_probe_device+0x1e4/0x290 [ 56.449433][ T1738] ? blocking_notifier_call_chain+0x54/0xa0 [ 56.455330][ T1738] device_add+0xae6/0x16f0 [ 56.459927][ T1738] ? uevent_store+0x50/0x50 [ 56.464519][ T1738] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 56.470312][ T1738] usb_set_configuration+0xdf6/0x1670 [ 56.475680][ T1738] generic_probe+0x9d/0xd5 [ 56.480227][ T1738] usb_probe_device+0x99/0x100 [ 56.485011][ T1738] ? usb_suspend+0x620/0x620 [ 56.489704][ T1738] really_probe+0x281/0x6d0 [ 56.494376][ T1738] driver_probe_device+0x101/0x1b0 [ 56.499572][ T1738] __device_attach_driver+0x1c2/0x220 [ 56.505242][ T1738] ? driver_allows_async_probing+0x160/0x160 [ 56.511232][ T1738] bus_for_each_drv+0x162/0x1e0 [ 56.516122][ T1738] ? bus_rescan_devices+0x20/0x20 [ 56.521231][ T1738] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 56.527200][ T1738] ? lockdep_hardirqs_on+0x379/0x580 [ 56.532478][ T1738] __device_attach+0x217/0x360 [ 56.537240][ T1738] ? device_bind_driver+0xd0/0xd0 [ 56.542550][ T1738] ? kobject_uevent_env+0x29e/0x1150 [ 56.547833][ T1738] ? kobject_uevent_env+0x2a8/0x1150 [ 56.553122][ T1738] bus_probe_device+0x1e4/0x290 [ 56.557961][ T1738] ? blocking_notifier_call_chain+0x54/0xa0 [ 56.564044][ T1738] device_add+0xae6/0x16f0 [ 56.568469][ T1738] ? uevent_store+0x50/0x50 [ 56.572980][ T1738] usb_new_device.cold+0x6a4/0xe79 [ 56.578087][ T1738] hub_event+0x1b5c/0x3640 [ 56.582575][ T1738] ? hub_port_debounce+0x260/0x260 [ 56.587767][ T1738] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.593301][ T1738] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 56.598576][ T1738] process_one_work+0x92b/0x1530 [ 56.603614][ T1738] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.609079][ T1738] worker_thread+0x96/0xe20 [ 56.613570][ T1738] ? process_one_work+0x1530/0x1530 [ 56.618771][ T1738] kthread+0x318/0x420 [ 56.622925][ T1738] ? kthread_create_on_node+0xf0/0xf0 [ 56.628307][ T1738] ret_from_fork+0x24/0x30 [ 56.635435][ T1739] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 56.643087][ T1739] CPU: 0 PID: 1739 Comm: kworker/0:3 Not tainted 5.3.0+ #0 [ 56.650414][ T1739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.655867][ T17] usb 4-1: USB disconnect, device number 2 [ 56.660659][ T1739] Workqueue: usb_hub_wq hub_event [ 56.660667][ T1739] Call Trace: executing program executing program [ 56.660684][ T1739] dump_stack+0xca/0x13e [ 56.660697][ T1739] sysfs_warn_dup.cold+0x1c/0x29 [ 56.660709][ T1739] sysfs_do_create_link_sd.isra.0+0x10f/0x130 [ 56.660719][ T1739] sysfs_create_link+0x61/0xc0 [ 56.660732][ T1739] device_add+0x788/0x16f0 [ 56.660742][ T1739] ? uevent_store+0x50/0x50 [ 56.660759][ T1739] ? __init_waitqueue_head+0x31/0x90 [ 56.702824][ T83] hso 1-1:0.1: Failed to find BULK IN ep [ 56.704216][ T1739] tty_register_device_attr+0x341/0x6f0 [ 56.704229][ T1739] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 56.704243][ T1739] ? mark_held_locks+0x9f/0xe0 [ 56.704256][ T1739] ? tty_port_link_device+0x59/0xc0 [ 56.704274][ T1739] hso_serial_common_create+0x113/0x710 [ 56.709653][ T83] kasan: CONFIG_KASAN_INLINE enabled [ 56.715181][ T1739] ? kasan_unpoison_shadow+0x30/0x40 [ 56.715193][ T1739] hso_probe+0xc93/0x1a46 [ 56.715206][ T1739] usb_probe_interface+0x305/0x7a0 [ 56.715216][ T1739] ? usb_probe_device+0x100/0x100 [ 56.715227][ T1739] really_probe+0x281/0x6d0 [ 56.715236][ T1739] driver_probe_device+0x101/0x1b0 [ 56.715245][ T1739] __device_attach_driver+0x1c2/0x220 [ 56.715254][ T1739] ? driver_allows_async_probing+0x160/0x160 [ 56.715263][ T1739] bus_for_each_drv+0x162/0x1e0 [ 56.715272][ T1739] ? bus_rescan_devices+0x20/0x20 [ 56.715287][ T1739] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 56.715297][ T1739] ? lockdep_hardirqs_on+0x379/0x580 [ 56.715306][ T1739] __device_attach+0x217/0x360 [ 56.715315][ T1739] ? device_bind_driver+0xd0/0xd0 [ 56.715323][ T1739] ? kobject_uevent_env+0x29e/0x1150 [ 56.715331][ T1739] ? kobject_uevent_env+0x2a8/0x1150 [ 56.715340][ T1739] bus_probe_device+0x1e4/0x290 [ 56.715351][ T1739] ? blocking_notifier_call_chain+0x54/0xa0 [ 56.715361][ T1739] device_add+0xae6/0x16f0 [ 56.715376][ T1739] ? uevent_store+0x50/0x50 [ 56.720989][ T83] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 56.726515][ T1739] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 56.726532][ T1739] usb_set_configuration+0xdf6/0x1670 [ 56.731313][ T83] general protection fault: 0000 [#1] SMP KASAN [ 56.736644][ T1739] generic_probe+0x9d/0xd5 [ 56.742265][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0+ #0 [ 56.747531][ T1739] usb_probe_device+0x99/0x100 [ 56.752785][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.757100][ T1739] ? usb_suspend+0x620/0x620 [ 56.762291][ T83] Workqueue: usb_hub_wq hub_event [ 56.767315][ T1739] really_probe+0x281/0x6d0 [ 56.771883][ T83] RIP: 0010:cdev_del+0x22/0x90 [ 56.777142][ T1739] driver_probe_device+0x101/0x1b0 [ 56.782665][ T83] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 93 bb 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 [ 56.788886][ T1739] __device_attach_driver+0x1c2/0x220 [ 56.793823][ T83] RSP: 0018:ffff8881d93d72d0 EFLAGS: 00010207 [ 56.798876][ T1739] ? driver_allows_async_probing+0x160/0x160 [ 56.804811][ T83] RAX: dffffc0000000000 RBX: ffff8881d660bf00 RCX: ffffffff820e257e [ 56.810082][ T1739] bus_for_each_drv+0x162/0x1e0 [ 56.814812][ T83] RDX: 000000000000000c RSI: ffffffff8169826d RDI: 0000000000000064 [ 56.819899][ T1739] ? bus_rescan_devices+0x20/0x20 [ 56.825170][ T83] RBP: 0000000000000000 R08: ffff8881d93c1800 R09: fffffbfff11b35ae [ 56.830524][ T1739] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 56.835389][ T83] R10: fffffbfff11b35ad R11: ffffffff88d9ad6f R12: 0000000000000000 [ 56.835400][ T83] R13: ffff8881d608bb80 R14: ffff8881d2d8d500 R15: ffff8881d2d8bbf0 [ 56.841294][ T1739] ? lockdep_hardirqs_on+0x379/0x580 [ 56.845691][ T83] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 56.850176][ T1739] __device_attach+0x217/0x360 [ 56.858670][ T83] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.864592][ T1739] ? device_bind_driver+0xd0/0xd0 [ 56.870032][ T83] CR2: 00007f745ab01000 CR3: 00000001d465f000 CR4: 00000000001406e0 [ 56.876351][ T1739] ? kobject_uevent_env+0x29e/0x1150 [ 56.881205][ T83] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.888395][ T1739] ? kobject_uevent_env+0x2a8/0x1150 [ 56.893136][ T83] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.903454][ T1739] bus_probe_device+0x1e4/0x290 [ 56.908099][ T83] Call Trace: [ 56.913796][ T1739] ? blocking_notifier_call_chain+0x54/0xa0 [ 56.918274][ T83] tty_unregister_device+0x10d/0x1a0 [ 56.923099][ T1739] device_add+0xae6/0x16f0 [ 56.928531][ T83] hso_probe.cold+0xc8/0x121 [ 56.948307][ T1739] ? uevent_store+0x50/0x50 [ 56.953686][ T83] usb_probe_interface+0x305/0x7a0 [ 56.959730][ T1739] usb_new_device.cold+0x6a4/0xe79 [ 56.965863][ T83] ? usb_probe_device+0x100/0x100 [ 56.973910][ T1739] hub_event+0x1b5c/0x3640 [ 56.978732][ T83] really_probe+0x281/0x6d0 [ 56.986851][ T1739] ? hub_port_debounce+0x260/0x260 [ 56.992992][ T83] driver_probe_device+0x101/0x1b0 [ 57.000949][ T1739] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.006749][ T83] __device_attach_driver+0x1c2/0x220 [ 57.014703][ T1739] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 57.022793][ T83] ? driver_allows_async_probing+0x160/0x160 [ 57.028165][ T1739] process_one_work+0x92b/0x1530 [ 57.037252][ T83] bus_for_each_drv+0x162/0x1e0 [ 57.037266][ T83] ? bus_rescan_devices+0x20/0x20 [ 57.042445][ T1739] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.049368][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 57.054417][ T1739] worker_thread+0x96/0xe20 [ 57.062541][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 57.067816][ T1739] ? process_one_work+0x1530/0x1530 [ 57.076032][ T83] __device_attach+0x217/0x360 [ 57.081389][ T1739] kthread+0x318/0x420 [ 57.089344][ T83] ? device_bind_driver+0xd0/0xd0 [ 57.094189][ T1739] ? kthread_create_on_node+0xf0/0xf0 [ 57.097486][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 57.103377][ T1739] ret_from_fork+0x24/0x30 [ 57.108904][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 57.115056][ T12] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 57.117955][ T83] bus_probe_device+0x1e4/0x290 [ 57.122498][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0+ #0 [ 57.127633][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 57.132804][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.137986][ T83] device_add+0xae6/0x16f0 [ 57.142381][ T12] Workqueue: usb_hub_wq hub_event [ 57.147035][ T83] ? uevent_store+0x50/0x50 [ 57.152300][ T12] Call Trace: [ 57.157487][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 57.157498][ T83] usb_set_configuration+0xdf6/0x1670 [ 57.157509][ T83] generic_probe+0x9d/0xd5 [ 57.157518][ T83] usb_probe_device+0x99/0x100 [ 57.157527][ T83] ? usb_suspend+0x620/0x620 [ 57.157535][ T83] really_probe+0x281/0x6d0 [ 57.157543][ T83] driver_probe_device+0x101/0x1b0 [ 57.157553][ T83] __device_attach_driver+0x1c2/0x220 [ 57.157568][ T83] ? driver_allows_async_probing+0x160/0x160 [ 57.163393][ T12] dump_stack+0xca/0x13e [ 57.168854][ T83] bus_for_each_drv+0x162/0x1e0 [ 57.181263][ T12] sysfs_warn_dup.cold+0x1c/0x29 [ 57.187389][ T83] ? bus_rescan_devices+0x20/0x20 [ 57.192302][ T12] sysfs_do_create_link_sd.isra.0+0x10f/0x130 [ 57.197211][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 57.203073][ T12] sysfs_create_link+0x61/0xc0 [ 57.208688][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 57.214901][ T12] device_add+0x788/0x16f0 [ 57.219507][ T83] __device_attach+0x217/0x360 [ 57.224982][ T12] ? uevent_store+0x50/0x50 [ 57.230158][ T83] ? device_bind_driver+0xd0/0xd0 [ 57.234922][ T12] ? __init_waitqueue_head+0x31/0x90 [ 57.238966][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 57.244066][ T12] tty_register_device_attr+0x341/0x6f0 [ 57.249417][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 57.254684][ T12] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 57.259162][ T83] bus_probe_device+0x1e4/0x290 [ 57.264417][ T12] ? lock_downgrade+0x6e0/0x6e0 [ 57.264431][ T12] ? lock_acquire+0x127/0x320 [ 57.271870][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 57.276699][ T12] ? hso_serial_common_create+0x4f/0x710 [ 57.283689][ T83] device_add+0xae6/0x16f0 [ 57.289742][ T12] ? tty_port_link_device+0x59/0xc0 [ 57.299963][ T83] ? uevent_store+0x50/0x50 [ 57.304373][ T12] hso_serial_common_create+0x113/0x710 [ 57.309372][ T83] usb_new_device.cold+0x6a4/0xe79 [ 57.313849][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 57.317108][ T83] hub_event+0x1b5c/0x3640 [ 57.322888][ T12] hso_probe+0xc93/0x1a46 [ 57.328240][ T83] ? hub_port_debounce+0x260/0x260 [ 57.332630][ T12] usb_probe_interface+0x305/0x7a0 [ 57.337380][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.341941][ T12] ? usb_probe_device+0x100/0x100 [ 57.346425][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 57.351841][ T12] really_probe+0x281/0x6d0 [ 57.357379][ T83] process_one_work+0x92b/0x1530 [ 57.363336][ T12] driver_probe_device+0x101/0x1b0 [ 57.367555][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.372380][ T12] __device_attach_driver+0x1c2/0x220 [ 57.377293][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 57.382288][ T12] ? driver_allows_async_probing+0x160/0x160 [ 57.388415][ T83] worker_thread+0x96/0xe20 [ 57.394200][ T12] bus_for_each_drv+0x162/0x1e0 [ 57.398941][ T83] ? process_one_work+0x1530/0x1530 [ 57.404217][ T12] ? bus_rescan_devices+0x20/0x20 [ 57.408624][ T83] kthread+0x318/0x420 [ 57.413364][ T12] __device_attach+0x217/0x360 [ 57.417851][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 57.422868][ T12] ? device_bind_driver+0xd0/0xd0 [ 57.428127][ T83] ret_from_fork+0x24/0x30 [ 57.433478][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 57.439103][ T83] Modules linked in: [ 57.444541][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 57.450163][ T83] ---[ end trace 3cdb04560e8ce366 ]--- [ 57.454898][ T12] bus_probe_device+0x1e4/0x290 [ 57.454916][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 57.459852][ T83] RIP: 0010:cdev_del+0x22/0x90 [ 57.464508][ T12] device_add+0xae6/0x16f0 [ 57.464518][ T12] ? uevent_store+0x50/0x50 [ 57.464535][ T12] ? trace_hardirqs_on+0x55/0x1e0 [ 57.470415][ T83] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 93 bb 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 [ 57.476196][ T12] usb_set_configuration+0xdf6/0x1670 [ 57.476214][ T12] generic_probe+0x9d/0xd5 [ 57.480693][ T83] RSP: 0018:ffff8881d93d72d0 EFLAGS: 00010207 [ 57.486296][ T12] usb_probe_device+0x99/0x100 [ 57.490968][ T83] RAX: dffffc0000000000 RBX: ffff8881d660bf00 RCX: ffffffff820e257e [ 57.496567][ T12] ? usb_suspend+0x620/0x620 [ 57.501662][ T83] RDX: 000000000000000c RSI: ffffffff8169826d RDI: 0000000000000064 [ 57.506935][ T12] really_probe+0x281/0x6d0 [ 57.511505][ T83] RBP: 0000000000000000 R08: ffff8881d93c1800 R09: fffffbfff11b35ae [ 57.515888][ T12] driver_probe_device+0x101/0x1b0 [ 57.521089][ T83] R10: fffffbfff11b35ad R11: ffffffff88d9ad6f R12: 0000000000000000 [ 57.527212][ T12] __device_attach_driver+0x1c2/0x220 [ 57.532828][ T83] R13: ffff8881d608bb80 R14: ffff8881d2d8d500 R15: ffff8881d2d8bbf0 [ 57.537824][ T12] ? driver_allows_async_probing+0x160/0x160 [ 57.543187][ T83] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 57.547654][ T12] bus_for_each_drv+0x162/0x1e0 [ 57.552756][ T83] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.557916][ T12] ? bus_rescan_devices+0x20/0x20 [ 57.563314][ T83] CR2: 00007f745ab01000 CR3: 00000001d465f000 CR4: 00000000001406e0 [ 57.569102][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 57.574299][ T83] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.580512][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 57.585481][ T83] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.590480][ T12] __device_attach+0x217/0x360 [ 57.595656][ T83] Kernel panic - not syncing: Fatal exception [ 57.600823][ T12] ? device_bind_driver+0xd0/0xd0 [ 57.860759][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 57.866046][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 57.871421][ T12] bus_probe_device+0x1e4/0x290 [ 57.876259][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 57.882393][ T12] device_add+0xae6/0x16f0 [ 57.886883][ T12] ? uevent_store+0x50/0x50 [ 57.891410][ T12] usb_new_device.cold+0x6a4/0xe79 [ 57.896595][ T12] hub_event+0x1b5c/0x3640 [ 57.901082][ T12] ? hub_port_debounce+0x260/0x260 [ 57.906266][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.911829][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 57.917273][ T12] process_one_work+0x92b/0x1530 [ 57.922198][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.927552][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 57.932650][ T12] worker_thread+0x96/0xe20 [ 57.937136][ T12] ? process_one_work+0x1530/0x1530 [ 57.942404][ T12] kthread+0x318/0x420 [ 57.946727][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 57.952186][ T12] ret_from_fork+0x24/0x30 [ 57.957626][ T83] Kernel Offset: disabled [ 57.961982][ T83] Rebooting in 86400 seconds..