[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[ 14.843719][ T1659] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 15.097866][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.33' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 36.669437][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 36.677284][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 36.679343][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 36.684854][ T22] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 36.692647][ T102] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 36.692727][ T5] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 36.909407][ T17] usb 4-1: Using ep0 maxpacket: 32 [ 36.939338][ T102] usb 2-1: Using ep0 maxpacket: 32 [ 36.939344][ T83] usb 1-1: Using ep0 maxpacket: 32 [ 36.939437][ T22] usb 5-1: Using ep0 maxpacket: 32 [ 36.959373][ T12] usb 6-1: Using ep0 maxpacket: 32 [ 36.964645][ T5] usb 3-1: Using ep0 maxpacket: 32 [ 37.029445][ T17] usb 4-1: config 0 has an invalid interface number: 15 but max is 0 [ 37.037942][ T17] usb 4-1: config 0 has no interface number 0 [ 37.044312][ T17] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.053388][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.061546][ T83] usb 1-1: config 0 has an invalid interface number: 15 but max is 0 [ 37.069657][ T83] usb 1-1: config 0 has no interface number 0 [ 37.076429][ T83] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.079510][ T102] usb 2-1: config 0 has an invalid interface number: 15 but max is 0 [ 37.085565][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.094390][ T102] usb 2-1: config 0 has no interface number 0 [ 37.102967][ T17] usb 4-1: config 0 descriptor?? [ 37.108920][ T12] usb 6-1: config 0 has an invalid interface number: 15 but max is 0 [ 37.113418][ T22] usb 5-1: config 0 has an invalid interface number: 15 but max is 0 [ 37.121486][ T12] usb 6-1: config 0 has no interface number 0 [ 37.121650][ T5] usb 3-1: config 0 has an invalid interface number: 15 but max is 0 [ 37.130752][ T22] usb 5-1: config 0 has no interface number 0 [ 37.136796][ T5] usb 3-1: config 0 has no interface number 0 [ 37.145698][ T22] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.154228][ T12] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.157034][ T22] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.161454][ T83] usb 1-1: config 0 descriptor?? [ 37.166254][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.166296][ T102] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.175776][ T22] usb 5-1: config 0 descriptor?? [ 37.183343][ T102] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.190834][ T5] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.227528][ T5] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.236172][ T12] usb 6-1: config 0 descriptor?? [ 37.252038][ T102] usb 2-1: config 0 descriptor?? [ 37.261837][ T5] usb 3-1: config 0 descriptor?? [ 37.410897][ T17] hso 4-1:0.15: Failed to find BULK IN ep [ 37.450239][ T83] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 37.457858][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc6+ #0 [ 37.465233][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.475280][ T83] Workqueue: usb_hub_wq hub_event [ 37.480408][ T83] Call Trace: [ 37.483692][ T83] dump_stack+0xca/0x13e [ 37.487990][ T83] sysfs_warn_dup.cold+0x1c/0x2d [ 37.493049][ T83] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 37.499097][ T83] sysfs_create_link+0x61/0xc0 [ 37.504053][ T83] device_add+0x788/0x16f0 [ 37.508539][ T83] ? uevent_store+0x50/0x50 [ 37.513049][ T83] ? __init_waitqueue_head+0x31/0x90 [ 37.518328][ T83] tty_register_device_attr+0x341/0x6f0 [ 37.523857][ T83] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 37.529382][ T83] ? mark_held_locks+0x9f/0xe0 [ 37.534141][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 37.539965][ T83] ? tty_port_register_device_attr+0xb9/0x110 [ 37.546022][ T83] hso_serial_common_create+0x113/0x710 [ 37.551570][ T83] ? kasan_unpoison_shadow+0x30/0x40 [ 37.556848][ T83] hso_probe+0xc93/0x1b7b [ 37.561181][ T83] usb_probe_interface+0x305/0x7a0 [ 37.566285][ T83] ? usb_probe_device+0x100/0x100 [ 37.571303][ T83] really_probe+0x281/0x6d0 [ 37.575789][ T83] driver_probe_device+0x104/0x210 [ 37.580892][ T83] __device_attach_driver+0x1c2/0x220 [ 37.586251][ T83] ? driver_allows_async_probing+0x160/0x160 [ 37.592844][ T83] bus_for_each_drv+0x162/0x1e0 [ 37.597815][ T83] ? bus_rescan_devices+0x20/0x20 [ 37.602833][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 37.608710][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 37.612778][ T1728] usb 4-1: USB disconnect, device number 2 [ 37.613995][ T83] __device_attach+0x217/0x360 [ 37.624521][ T83] ? device_bind_driver+0xd0/0xd0 [ 37.629532][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 37.634975][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 37.640242][ T83] bus_probe_device+0x1e4/0x290 [ 37.645078][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 37.650951][ T83] device_add+0xae6/0x16f0 [ 37.655368][ T83] ? uevent_store+0x50/0x50 [ 37.659851][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 37.665642][ T83] usb_set_configuration+0xdf6/0x1670 [ 37.670999][ T83] generic_probe+0x9d/0xd5 [ 37.675416][ T83] usb_probe_device+0x99/0x100 [ 37.680187][ T83] ? usb_suspend+0x620/0x620 [ 37.684774][ T83] really_probe+0x281/0x6d0 [ 37.694646][ T83] driver_probe_device+0x104/0x210 [ 37.699752][ T83] __device_attach_driver+0x1c2/0x220 [ 37.705150][ T83] ? driver_allows_async_probing+0x160/0x160 [ 37.711118][ T83] bus_for_each_drv+0x162/0x1e0 [ 37.715959][ T83] ? bus_rescan_devices+0x20/0x20 [ 37.721071][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 37.726866][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 37.732132][ T83] __device_attach+0x217/0x360 [ 37.740003][ T83] ? device_bind_driver+0xd0/0xd0 [ 37.745799][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 37.751065][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 37.756419][ T83] bus_probe_device+0x1e4/0x290 [ 37.762222][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 37.768096][ T83] device_add+0xae6/0x16f0 [ 37.773188][ T83] ? uevent_store+0x50/0x50 [ 37.777677][ T83] usb_new_device.cold+0x6a4/0xe79 [ 37.782789][ T83] hub_event+0x1df8/0x3800 [ 37.787226][ T83] ? hub_port_debounce+0x260/0x260 [ 37.792403][ T83] ? find_held_lock+0x2d/0x110 [ 37.797235][ T83] ? mark_held_locks+0xe0/0xe0 [ 37.801978][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 37.807503][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 37.812771][ T83] process_one_work+0x92b/0x1530 [ 37.817798][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 37.823149][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 37.828152][ T83] worker_thread+0x96/0xe20 [ 37.832634][ T83] ? process_one_work+0x1530/0x1530 [ 37.838536][ T83] kthread+0x318/0x420 [ 37.842584][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 37.847939][ T83] ret_from_fork+0x24/0x30 [ 37.856697][ T22] hso 5-1:0.15: Failed to find BULK IN ep [ 37.860159][ T12] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 37.864645][ T83] hso 1-1:0.15: Failed to find BULK IN ep [ 37.870025][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 37.870031][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.870045][ T12] Workqueue: usb_hub_wq hub_event [ 37.870052][ T12] Call Trace: [ 37.870066][ T12] dump_stack+0xca/0x13e [ 37.870085][ T12] sysfs_warn_dup.cold+0x1c/0x2d [ 37.875976][ T83] ------------[ cut here ]------------ [ 37.884087][ T12] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 37.884099][ T12] sysfs_create_link+0x61/0xc0 [ 37.884111][ T12] device_add+0x788/0x16f0 [ 37.884121][ T12] ? uevent_store+0x50/0x50 [ 37.884139][ T12] ? __init_waitqueue_head+0x31/0x90 [ 37.884152][ T12] tty_register_device_attr+0x341/0x6f0 [ 37.884167][ T12] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 37.894226][ T83] sysfs group 'power' not found for kobject 'ttyHS0' [ 37.899214][ T12] ? mark_held_locks+0x9f/0xe0 [ 37.902552][ T83] WARNING: CPU: 1 PID: 83 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 37.906701][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 37.911603][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 37.917035][ T12] ? tty_port_register_device_attr+0xb9/0x110 [ 37.917051][ T12] hso_serial_common_create+0x113/0x710 [ 37.998243][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 38.003512][ T12] hso_probe+0xc93/0x1b7b [ 38.007932][ T12] usb_probe_interface+0x305/0x7a0 [ 38.013026][ T12] ? usb_probe_device+0x100/0x100 [ 38.018303][ T12] really_probe+0x281/0x6d0 [ 38.022801][ T12] driver_probe_device+0x104/0x210 [ 38.027895][ T12] __device_attach_driver+0x1c2/0x220 [ 38.033516][ T12] ? driver_allows_async_probing+0x160/0x160 [ 38.039492][ T12] bus_for_each_drv+0x162/0x1e0 [ 38.044331][ T12] ? bus_rescan_devices+0x20/0x20 [ 38.049345][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.055170][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 38.060442][ T12] __device_attach+0x217/0x360 [ 38.065300][ T12] ? device_bind_driver+0xd0/0xd0 [ 38.070312][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 38.075671][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 38.080953][ T12] bus_probe_device+0x1e4/0x290 [ 38.085802][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.091678][ T12] device_add+0xae6/0x16f0 [ 38.096077][ T12] ? uevent_store+0x50/0x50 [ 38.100586][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.106376][ T12] usb_set_configuration+0xdf6/0x1670 [ 38.111745][ T12] generic_probe+0x9d/0xd5 [ 38.116147][ T12] usb_probe_device+0x99/0x100 [ 38.120895][ T12] ? usb_suspend+0x620/0x620 [ 38.125473][ T12] really_probe+0x281/0x6d0 [ 38.129962][ T12] driver_probe_device+0x104/0x210 [ 38.135066][ T12] __device_attach_driver+0x1c2/0x220 [ 38.140425][ T12] ? driver_allows_async_probing+0x160/0x160 [ 38.146393][ T12] bus_for_each_drv+0x162/0x1e0 [ 38.151228][ T12] ? bus_rescan_devices+0x20/0x20 [ 38.156246][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.162817][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 38.168085][ T12] __device_attach+0x217/0x360 [ 38.172835][ T12] ? device_bind_driver+0xd0/0xd0 [ 38.177856][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 38.183126][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 38.189537][ T12] bus_probe_device+0x1e4/0x290 [ 38.194377][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.200258][ T12] device_add+0xae6/0x16f0 [ 38.204659][ T12] ? uevent_store+0x50/0x50 [ 38.209149][ T12] usb_new_device.cold+0x6a4/0xe79 [ 38.214246][ T12] hub_event+0x1df8/0x3800 [ 38.218647][ T12] ? hub_port_debounce+0x260/0x260 [ 38.223747][ T12] ? find_held_lock+0x2d/0x110 [ 38.228497][ T12] ? mark_held_locks+0xe0/0xe0 [ 38.233339][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 38.238969][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 38.244241][ T12] process_one_work+0x92b/0x1530 [ 38.249168][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 38.254528][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 38.259554][ T12] worker_thread+0x96/0xe20 [ 38.264043][ T12] ? process_one_work+0x1530/0x1530 [ 38.269224][ T12] kthread+0x318/0x420 [ 38.273288][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 38.278657][ T12] ret_from_fork+0x24/0x30 [ 38.283064][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc6+ #0 [ 38.283620][ T5] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 38.290427][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.290440][ T83] Workqueue: usb_hub_wq hub_event [ 38.290447][ T83] Call Trace: [ 38.290465][ T83] dump_stack+0xca/0x13e [ 38.320679][ T83] ? sysfs_remove_group+0xe0/0x1b0 [ 38.325956][ T83] panic+0x2aa/0x6e1 [ 38.329842][ T83] ? add_taint.cold+0x16/0x16 [ 38.334507][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 38.339782][ T83] ? __warn.cold+0x14/0x33 [ 38.344185][ T83] ? __warn+0xd5/0x1d0 [ 38.348244][ T83] ? sysfs_remove_group+0x155/0x1b0 [ 38.353433][ T83] __warn.cold+0x2f/0x33 [ 38.357662][ T83] ? sysfs_remove_group+0x155/0x1b0 [ 38.362850][ T83] report_bug+0x27b/0x2f0 [ 38.367168][ T83] do_error_trap+0x12b/0x1e0 [ 38.371747][ T83] ? sysfs_remove_group+0x155/0x1b0 [ 38.384598][ T83] do_invalid_op+0x32/0x40 [ 38.389020][ T83] ? sysfs_remove_group+0x155/0x1b0 [ 38.394232][ T83] invalid_op+0x23/0x30 [ 38.398402][ T83] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 38.404486][ T83] Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 41 48 8b 33 48 c7 c7 e0 a0 d0 85 e8 20 f0 89 ff <0f> 0b eb 95 e8 a2 9a db ff e9 d2 fe ff ff 48 89 df e8 95 9a db ff [ 38.424269][ T83] RSP: 0018:ffff8881d89f7110 EFLAGS: 00010286 [ 38.430366][ T83] RAX: 0000000000000000 RBX: ffffffff85f2c9e0 RCX: 0000000000000000 [ 38.438684][ T83] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103b13ee14 [ 38.446660][ T83] RBP: 0000000000000000 R08: ffff8881d89e1800 R09: fffffbfff11aadae [ 38.454660][ T83] R10: fffffbfff11aadad R11: ffffffff88d56d6f R12: ffff8881cf814000 [ 38.462685][ T83] R13: ffffffff85f2cf80 R14: ffff8881cf815000 R15: ffff8881cfc86070 [ 38.470789][ T83] ? vprintk_func+0x7d/0x113 [ 38.475383][ T83] dpm_sysfs_remove+0x97/0xb0 [ 38.480062][ T83] device_del+0x12a/0xb20 [ 38.484734][ T83] ? refcount_dec_not_one+0x1e0/0x1e0 [ 38.490123][ T83] ? __device_link_del+0x2f0/0x2f0 [ 38.495238][ T83] device_destroy+0x96/0xe0 [ 38.499740][ T83] ? root_device_unregister+0x80/0x80 [ 38.505103][ T83] ? hso_serial_common_create+0x3a3/0x710 [ 38.510813][ T83] tty_unregister_device+0x7e/0x1a0 [ 38.515999][ T83] hso_probe.cold+0x6e/0x14c [ 38.520585][ T83] usb_probe_interface+0x305/0x7a0 [ 38.525687][ T83] ? usb_probe_device+0x100/0x100 [ 38.530716][ T83] really_probe+0x281/0x6d0 [ 38.535220][ T83] driver_probe_device+0x104/0x210 [ 38.540321][ T83] __device_attach_driver+0x1c2/0x220 [ 38.545712][ T83] ? driver_allows_async_probing+0x160/0x160 [ 38.551873][ T83] bus_for_each_drv+0x162/0x1e0 [ 38.556723][ T83] ? bus_rescan_devices+0x20/0x20 [ 38.561740][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.567541][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 38.573098][ T83] __device_attach+0x217/0x360 [ 38.578129][ T83] ? device_bind_driver+0xd0/0xd0 [ 38.583161][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 38.588476][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 38.593758][ T83] bus_probe_device+0x1e4/0x290 [ 38.598603][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.604502][ T83] device_add+0xae6/0x16f0 [ 38.608914][ T83] ? uevent_store+0x50/0x50 [ 38.613412][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.619556][ T83] usb_set_configuration+0xdf6/0x1670 [ 38.624921][ T83] generic_probe+0x9d/0xd5 [ 38.629326][ T83] usb_probe_device+0x99/0x100 [ 38.634079][ T83] ? usb_suspend+0x620/0x620 [ 38.638664][ T83] really_probe+0x281/0x6d0 [ 38.643167][ T83] driver_probe_device+0x104/0x210 [ 38.648271][ T83] __device_attach_driver+0x1c2/0x220 [ 38.653635][ T83] ? driver_allows_async_probing+0x160/0x160 [ 38.660298][ T83] bus_for_each_drv+0x162/0x1e0 [ 38.665168][ T83] ? bus_rescan_devices+0x20/0x20 [ 38.670216][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.676024][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 38.681319][ T83] __device_attach+0x217/0x360 [ 38.686448][ T83] ? device_bind_driver+0xd0/0xd0 [ 38.691472][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 38.696756][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 38.702037][ T83] bus_probe_device+0x1e4/0x290 [ 38.706890][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.712772][ T83] device_add+0xae6/0x16f0 [ 38.717442][ T83] ? uevent_store+0x50/0x50 [ 38.721943][ T83] usb_new_device.cold+0x6a4/0xe79 [ 38.727064][ T83] hub_event+0x1df8/0x3800 [ 38.731473][ T83] ? hub_port_debounce+0x260/0x260 [ 38.736584][ T83] ? find_held_lock+0x2d/0x110 [ 38.741341][ T83] ? mark_held_locks+0xe0/0xe0 [ 38.746110][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 38.751644][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 38.756921][ T83] process_one_work+0x92b/0x1530 [ 38.762719][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 38.768082][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 38.773095][ T83] worker_thread+0x96/0xe20 [ 38.777591][ T83] ? process_one_work+0x1530/0x1530 [ 38.782870][ T83] kthread+0x318/0x420 [ 38.786931][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 38.792294][ T83] ret_from_fork+0x24/0x30 [ 38.796715][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.4.0-rc6+ #0 [ 38.803994][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.816212][ T5] Workqueue: usb_hub_wq hub_event [ 38.821217][ T5] Call Trace: [ 38.824492][ T5] dump_stack+0xca/0x13e [ 38.828734][ T5] sysfs_warn_dup.cold+0x1c/0x2d [ 38.833655][ T5] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 38.839705][ T5] sysfs_create_link+0x61/0xc0 [ 38.844450][ T5] device_add+0x788/0x16f0 [ 38.848863][ T5] ? uevent_store+0x50/0x50 [ 38.853352][ T5] ? __init_waitqueue_head+0x31/0x90 [ 38.858709][ T5] tty_register_device_attr+0x341/0x6f0 [ 38.864237][ T5] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 38.869765][ T5] ? mark_held_locks+0x9f/0xe0 [ 38.874622][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.880421][ T5] ? tty_port_register_device_attr+0xb9/0x110 [ 38.886467][ T5] hso_serial_common_create+0x113/0x710 [ 38.892015][ T5] ? kasan_unpoison_shadow+0x30/0x40 [ 38.897278][ T5] hso_probe+0xc93/0x1b7b [ 38.901598][ T5] usb_probe_interface+0x305/0x7a0 [ 38.906690][ T5] ? usb_probe_device+0x100/0x100 [ 38.911697][ T5] really_probe+0x281/0x6d0 [ 38.916184][ T5] driver_probe_device+0x104/0x210 [ 38.921316][ T5] __device_attach_driver+0x1c2/0x220 [ 38.926668][ T5] ? driver_allows_async_probing+0x160/0x160 [ 38.932803][ T5] bus_for_each_drv+0x162/0x1e0 [ 38.937984][ T5] ? bus_rescan_devices+0x20/0x20 [ 38.942990][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.948777][ T5] ? lockdep_hardirqs_on+0x382/0x580 [ 38.954045][ T5] __device_attach+0x217/0x360 [ 38.958813][ T5] ? device_bind_driver+0xd0/0xd0 [ 38.963820][ T5] ? kobject_uevent_env+0x29e/0x1160 [ 38.969275][ T5] ? kobject_uevent_env+0x2a8/0x1160 [ 38.974548][ T5] bus_probe_device+0x1e4/0x290 [ 38.979406][ T5] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.985303][ T5] device_add+0xae6/0x16f0 [ 38.989700][ T5] ? uevent_store+0x50/0x50 [ 38.994185][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.999989][ T5] usb_set_configuration+0xdf6/0x1670 [ 39.005445][ T5] generic_probe+0x9d/0xd5 [ 39.009844][ T5] usb_probe_device+0x99/0x100 [ 39.014778][ T5] ? usb_suspend+0x620/0x620 [ 39.019348][ T5] really_probe+0x281/0x6d0 [ 39.024008][ T5] driver_probe_device+0x104/0x210 [ 39.029105][ T5] __device_attach_driver+0x1c2/0x220 [ 39.034457][ T5] ? driver_allows_async_probing+0x160/0x160 [ 39.040416][ T5] bus_for_each_drv+0x162/0x1e0 [ 39.045250][ T5] ? bus_rescan_devices+0x20/0x20 [ 39.050602][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.056387][ T5] ? lockdep_hardirqs_on+0x382/0x580 [ 39.061740][ T5] __device_attach+0x217/0x360 [ 39.066920][ T5] ? device_bind_driver+0xd0/0xd0 [ 39.072192][ T5] ? kobject_uevent_env+0x29e/0x1160 [ 39.077458][ T5] ? kobject_uevent_env+0x2a8/0x1160 [ 39.082817][ T5] bus_probe_device+0x1e4/0x290 [ 39.088893][ T5] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.094777][ T5] device_add+0xae6/0x16f0 [ 39.099201][ T5] ? uevent_store+0x50/0x50 [ 39.104036][ T5] usb_new_device.cold+0x6a4/0xe79 [ 39.109390][ T5] hub_event+0x1df8/0x3800 [ 39.113814][ T5] ? hub_port_debounce+0x260/0x260 [ 39.118909][ T5] ? find_held_lock+0x2d/0x110 [ 39.123655][ T5] ? mark_held_locks+0xe0/0xe0 [ 39.128402][ T5] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 39.133928][ T5] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 39.139280][ T5] process_one_work+0x92b/0x1530 [ 39.144374][ T5] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.150075][ T5] worker_thread+0x96/0xe20 [ 39.154561][ T5] ? process_one_work+0x1530/0x1530 [ 39.159998][ T5] kthread+0x318/0x420 [ 39.164063][ T5] ? kthread_create_on_node+0xf0/0xf0 [ 39.169414][ T5] ret_from_fork+0x24/0x30 [ 39.174573][ T83] Kernel Offset: disabled [ 39.179055][ T83] Rebooting in 86400 seconds..