Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 28.316234][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.316246][ T17] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 28.331448][ T81] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 28.338951][ T1728] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 28.346463][ T1729] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 28.354057][ T1730] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 28.566199][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 28.596174][ T1729] usb 2-1: Using ep0 maxpacket: 32 [ 28.606216][ T1730] usb 4-1: Using ep0 maxpacket: 32 [ 28.611482][ T81] usb 3-1: Using ep0 maxpacket: 32 [ 28.616688][ T1728] usb 5-1: Using ep0 maxpacket: 32 [ 28.621917][ T17] usb 6-1: Using ep0 maxpacket: 32 [ 28.706331][ T12] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.715552][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.716308][ T1729] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.725614][ T12] usb 1-1: config 0 descriptor?? [ 28.732770][ T1729] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.748405][ T1730] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.757474][ T1730] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.765509][ T1728] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.774643][ T1728] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.782683][ T81] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.791758][ T81] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.799987][ T17] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.809056][ T17] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.818435][ T1728] usb 5-1: config 0 descriptor?? [ 28.823659][ T1730] usb 4-1: config 0 descriptor?? [ 28.828950][ T81] usb 3-1: config 0 descriptor?? [ 28.835111][ T17] usb 6-1: config 0 descriptor?? [ 28.840473][ T1729] usb 2-1: config 0 descriptor?? [ 29.007450][ T12] hso 1-1:0.0: Failed to find BULK IN ep [ 29.077311][ T1728] hso 5-1:0.0: Failed to find BULK IN ep [ 29.087361][ T81] hso 3-1:0.0: Failed to find BULK IN ep [ 29.097984][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 29.105459][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.4.0-syzkaller #0 [ 29.113252][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.123484][ T17] Workqueue: usb_hub_wq hub_event [ 29.128487][ T17] Call Trace: [ 29.131755][ T17] dump_stack+0xef/0x16e [ 29.135976][ T17] sysfs_warn_dup.cold+0x1c/0x2d [ 29.140929][ T17] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 29.146983][ T17] sysfs_create_link+0x61/0xc0 [ 29.151723][ T17] device_add+0x77d/0x1c20 [ 29.156118][ T17] ? lockdep_init_map+0x1b0/0x5e0 [ 29.161133][ T17] ? device_links_flush_sync_list+0x350/0x350 [ 29.167220][ T17] ? __init_waitqueue_head+0x31/0x90 executing program [ 29.172511][ T17] tty_register_device_attr+0x341/0x6f0 [ 29.178119][ T17] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 29.183640][ T17] ? mark_held_locks+0x9f/0xe0 [ 29.188385][ T17] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.194168][ T17] ? tty_port_register_device_attr+0xb9/0x110 [ 29.200210][ T17] hso_serial_common_create+0x113/0x710 [ 29.205759][ T17] ? kasan_unpoison_shadow+0x30/0x40 [ 29.208686][ T12] usb 1-1: USB disconnect, device number 2 [ 29.211026][ T17] hso_probe+0xc93/0x1b7b [ 29.221118][ T17] usb_probe_interface+0x305/0x7a0 [ 29.226229][ T17] ? usb_probe_device+0x100/0x100 [ 29.231248][ T17] really_probe+0x281/0x6d0 [ 29.235745][ T17] driver_probe_device+0x104/0x210 [ 29.240833][ T17] __device_attach_driver+0x1c2/0x220 [ 29.246210][ T17] ? driver_allows_async_probing+0x160/0x160 [ 29.252230][ T17] bus_for_each_drv+0x162/0x1e0 [ 29.257073][ T17] ? bus_rescan_devices+0x20/0x20 [ 29.262084][ T17] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.267877][ T17] ? lockdep_hardirqs_on+0x382/0x580 [ 29.273144][ T17] __device_attach+0x217/0x360 executing program executing program executing program executing program [ 29.277919][ T17] ? device_bind_driver+0xd0/0xd0 [ 29.277966][ T101] usb 5-1: USB disconnect, device number 2 [ 29.282952][ T17] bus_probe_device+0x1e4/0x290 [ 29.293564][ T17] device_add+0x1480/0x1c20 [ 29.298068][ T17] ? wait_for_completion+0x3c0/0x3c0 [ 29.303353][ T17] ? device_links_flush_sync_list+0x350/0x350 [ 29.309422][ T17] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.315229][ T17] usb_set_configuration+0xe67/0x1740 [ 29.320605][ T17] generic_probe+0x9d/0xd5 [ 29.325018][ T17] usb_probe_device+0x99/0x100 [ 29.329760][ T17] ? usb_suspend+0x620/0x620 [ 29.334340][ T17] really_probe+0x281/0x6d0 [ 29.338820][ T17] driver_probe_device+0x104/0x210 [ 29.343912][ T17] __device_attach_driver+0x1c2/0x220 [ 29.349280][ T17] ? driver_allows_async_probing+0x160/0x160 [ 29.355234][ T17] bus_for_each_drv+0x162/0x1e0 [ 29.360062][ T17] ? bus_rescan_devices+0x20/0x20 [ 29.365064][ T17] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.370847][ T17] ? lockdep_hardirqs_on+0x382/0x580 [ 29.376107][ T17] __device_attach+0x217/0x360 [ 29.380854][ T17] ? device_bind_driver+0xd0/0xd0 [ 29.385858][ T17] bus_probe_device+0x1e4/0x290 [ 29.390686][ T17] device_add+0x1480/0x1c20 [ 29.395168][ T17] ? device_links_flush_sync_list+0x350/0x350 [ 29.401222][ T17] usb_new_device.cold+0x6a4/0xe79 [ 29.406320][ T17] hub_event+0x1e59/0x3860 [ 29.410712][ T17] ? hub_port_debounce+0x260/0x260 [ 29.415811][ T17] ? find_held_lock+0x2d/0x110 [ 29.420548][ T17] ? mark_held_locks+0xe0/0xe0 [ 29.425289][ T17] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.430810][ T17] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.436071][ T17] process_one_work+0x92b/0x1530 [ 29.440990][ T17] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.446347][ T17] ? do_raw_spin_lock+0x11a/0x280 [ 29.451348][ T17] worker_thread+0x96/0xe20 [ 29.455850][ T17] ? process_one_work+0x1530/0x1530 [ 29.461029][ T17] kthread+0x318/0x420 [ 29.465094][ T17] ? kthread_create_on_node+0xf0/0xf0 [ 29.470446][ T17] ret_from_fork+0x24/0x30 executing program [ 29.475329][ T1729] hso 2-1:0.0: Failed to find BULK IN ep [ 29.477919][ T1746] usb 3-1: USB disconnect, device number 2 [ 29.481416][ T1730] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 29.494231][ T1730] CPU: 1 PID: 1730 Comm: kworker/1:4 Not tainted 5.4.0-syzkaller #0 [ 29.502197][ T1730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.512253][ T1730] Workqueue: usb_hub_wq hub_event [ 29.517273][ T1730] Call Trace: [ 29.520568][ T1730] dump_stack+0xef/0x16e [ 29.524799][ T1730] sysfs_warn_dup.cold+0x1c/0x2d [ 29.529716][ T1730] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 29.535759][ T1730] sysfs_create_link+0x61/0xc0 [ 29.540506][ T1730] device_add+0x77d/0x1c20 [ 29.544916][ T1730] ? lockdep_init_map+0x1b0/0x5e0 [ 29.549928][ T1730] ? device_links_flush_sync_list+0x350/0x350 [ 29.555979][ T1730] ? __init_waitqueue_head+0x31/0x90 [ 29.561250][ T1730] tty_register_device_attr+0x341/0x6f0 [ 29.566770][ T1730] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 29.572291][ T1730] ? mark_held_locks+0x9f/0xe0 [ 29.577045][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.582830][ T1730] ? tty_port_register_device_attr+0xb9/0x110 [ 29.588871][ T1730] hso_serial_common_create+0x113/0x710 [ 29.594391][ T1730] ? kasan_unpoison_shadow+0x30/0x40 [ 29.599649][ T1730] hso_probe+0xc93/0x1b7b [ 29.603976][ T1730] usb_probe_interface+0x305/0x7a0 [ 29.609075][ T1730] ? usb_probe_device+0x100/0x100 [ 29.614082][ T1730] really_probe+0x281/0x6d0 [ 29.618579][ T1730] driver_probe_device+0x104/0x210 [ 29.623678][ T1730] __device_attach_driver+0x1c2/0x220 [ 29.629033][ T1730] ? driver_allows_async_probing+0x160/0x160 [ 29.634989][ T1730] bus_for_each_drv+0x162/0x1e0 [ 29.639819][ T1730] ? bus_rescan_devices+0x20/0x20 [ 29.644832][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.650620][ T1730] ? lockdep_hardirqs_on+0x382/0x580 [ 29.655883][ T1730] __device_attach+0x217/0x360 [ 29.660625][ T1730] ? device_bind_driver+0xd0/0xd0 [ 29.665624][ T1730] bus_probe_device+0x1e4/0x290 [ 29.670470][ T1730] device_add+0x1480/0x1c20 [ 29.674948][ T1730] ? wait_for_completion+0x3c0/0x3c0 [ 29.680211][ T1730] ? device_links_flush_sync_list+0x350/0x350 [ 29.686257][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.692040][ T1730] usb_set_configuration+0xe67/0x1740 [ 29.697400][ T1730] generic_probe+0x9d/0xd5 [ 29.701793][ T1730] usb_probe_device+0x99/0x100 [ 29.706531][ T1730] ? usb_suspend+0x620/0x620 [ 29.711109][ T1730] really_probe+0x281/0x6d0 [ 29.715593][ T1730] driver_probe_device+0x104/0x210 [ 29.720678][ T1730] __device_attach_driver+0x1c2/0x220 [ 29.726023][ T1730] ? driver_allows_async_probing+0x160/0x160 [ 29.731977][ T1730] bus_for_each_drv+0x162/0x1e0 [ 29.736806][ T1730] ? bus_rescan_devices+0x20/0x20 [ 29.741855][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.747663][ T1730] ? lockdep_hardirqs_on+0x382/0x580 [ 29.752951][ T1730] __device_attach+0x217/0x360 [ 29.757705][ T1730] ? device_bind_driver+0xd0/0xd0 [ 29.762719][ T1730] bus_probe_device+0x1e4/0x290 [ 29.767561][ T1730] device_add+0x1480/0x1c20 [ 29.772064][ T1730] ? device_links_flush_sync_list+0x350/0x350 [ 29.778121][ T1730] usb_new_device.cold+0x6a4/0xe79 [ 29.783217][ T1730] hub_event+0x1e59/0x3860 [ 29.787609][ T1730] ? hub_port_debounce+0x260/0x260 [ 29.792694][ T1730] ? find_held_lock+0x2d/0x110 [ 29.797459][ T1730] ? mark_held_locks+0xe0/0xe0 [ 29.802202][ T1730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.807733][ T1730] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.812994][ T1730] process_one_work+0x92b/0x1530 [ 29.817918][ T1730] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.823265][ T1730] worker_thread+0x96/0xe20 [ 29.827758][ T1730] ? process_one_work+0x1530/0x1530 [ 29.832936][ T1730] kthread+0x318/0x420 [ 29.836983][ T1730] ? kthread_create_on_node+0xf0/0xf0 [ 29.842355][ T1730] ret_from_fork+0x24/0x30 [ 29.849959][ T1729] usb 2-1: USB disconnect, device number 2 [ 29.856397][ T1730] hso 4-1:0.0: Failed to find BULK IN ep [ 29.862103][ T1730] kasan: CONFIG_KASAN_INLINE enabled [ 29.867501][ T1730] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.875561][ T1730] general protection fault: 0000 [#1] SMP KASAN [ 29.881776][ T1730] CPU: 1 PID: 1730 Comm: kworker/1:4 Not tainted 5.4.0-syzkaller #0 [ 29.889722][ T1730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.899773][ T1730] Workqueue: usb_hub_wq hub_event [ 29.904791][ T1730] RIP: 0010:cdev_del+0x22/0x90 [ 29.909537][ T1730] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 e3 87 d3 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 [ 29.929142][ T1730] RSP: 0018:ffff8881cf86f268 EFLAGS: 00010207 [ 29.935186][ T1730] RAX: dffffc0000000000 RBX: ffff8881d5a1f700 RCX: ffffffff8211da0e [ 29.943163][ T1730] RDX: 000000000000000c RSI: ffffffff816af61d RDI: 0000000000000064 [ 29.951228][ T1730] RBP: 0000000000000000 R08: ffff8881cf870000 R09: fffffbfff11aeca6 [ 29.959188][ T1730] R10: fffffbfff11aeca5 R11: ffffffff88d7652f R12: 0000000000000000 [ 29.967252][ T1730] R13: ffff8881d5b5b000 R14: ffff8881cf5ba000 R15: ffff8881cfe16070 [ 29.975205][ T1730] FS: 0000000000000000(0000) GS:ffff8881db500000(0000) knlGS:0000000000000000 [ 29.984112][ T1730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.990674][ T1730] CR2: 00007ffe9f0be4a8 CR3: 00000001d4bf1000 CR4: 00000000001406e0 [ 29.998623][ T1730] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.006572][ T1730] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.014520][ T1730] Call Trace: [ 30.017795][ T1730] tty_unregister_device+0x10d/0x1a0 [ 30.023060][ T1730] hso_probe.cold+0x6e/0x14c [ 30.027637][ T1730] usb_probe_interface+0x305/0x7a0 [ 30.032721][ T1730] ? usb_probe_device+0x100/0x100 [ 30.037724][ T1730] really_probe+0x281/0x6d0 [ 30.042202][ T1730] driver_probe_device+0x104/0x210 [ 30.047298][ T1730] __device_attach_driver+0x1c2/0x220 [ 30.052662][ T1730] ? driver_allows_async_probing+0x160/0x160 [ 30.058629][ T1730] bus_for_each_drv+0x162/0x1e0 [ 30.063464][ T1730] ? bus_rescan_devices+0x20/0x20 [ 30.068466][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.074248][ T1730] ? lockdep_hardirqs_on+0x382/0x580 [ 30.079539][ T1730] __device_attach+0x217/0x360 [ 30.084276][ T1730] ? device_bind_driver+0xd0/0xd0 [ 30.089276][ T1730] bus_probe_device+0x1e4/0x290 [ 30.094102][ T1730] device_add+0x1480/0x1c20 [ 30.098580][ T1730] ? wait_for_completion+0x3c0/0x3c0 [ 30.103840][ T1730] ? device_links_flush_sync_list+0x350/0x350 [ 30.109880][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.115657][ T1730] usb_set_configuration+0xe67/0x1740 [ 30.121004][ T1730] generic_probe+0x9d/0xd5 [ 30.125392][ T1730] usb_probe_device+0x99/0x100 [ 30.130129][ T1730] ? usb_suspend+0x620/0x620 [ 30.134691][ T1730] really_probe+0x281/0x6d0 [ 30.139173][ T1730] driver_probe_device+0x104/0x210 [ 30.144257][ T1730] __device_attach_driver+0x1c2/0x220 [ 30.149619][ T1730] ? driver_allows_async_probing+0x160/0x160 [ 30.155569][ T1730] bus_for_each_drv+0x162/0x1e0 [ 30.160421][ T1730] ? bus_rescan_devices+0x20/0x20 [ 30.165420][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.171203][ T1730] ? lockdep_hardirqs_on+0x382/0x580 [ 30.176467][ T1730] __device_attach+0x217/0x360 [ 30.181218][ T1730] ? device_bind_driver+0xd0/0xd0 [ 30.186219][ T1730] bus_probe_device+0x1e4/0x290 [ 30.191069][ T1730] device_add+0x1480/0x1c20 [ 30.195571][ T1730] ? device_links_flush_sync_list+0x350/0x350 [ 30.201619][ T1730] usb_new_device.cold+0x6a4/0xe79 [ 30.206704][ T1730] hub_event+0x1e59/0x3860 [ 30.211098][ T1730] ? hub_port_debounce+0x260/0x260 [ 30.216182][ T1730] ? find_held_lock+0x2d/0x110 [ 30.220918][ T1730] ? mark_held_locks+0xe0/0xe0 [ 30.225663][ T1730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.231186][ T1730] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.236442][ T1730] process_one_work+0x92b/0x1530 [ 30.241352][ T1730] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.246697][ T1730] worker_thread+0x96/0xe20 [ 30.251175][ T1730] ? process_one_work+0x1530/0x1530 [ 30.256345][ T1730] kthread+0x318/0x420 [ 30.260389][ T1730] ? kthread_create_on_node+0xf0/0xf0 [ 30.265732][ T1730] ret_from_fork+0x24/0x30 [ 30.270115][ T1730] Modules linked in: [ 30.274032][ T1730] ---[ end trace 014441fbcb44eaee ]--- [ 30.279504][ T1730] RIP: 0010:cdev_del+0x22/0x90 [ 30.284245][ T1730] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 e3 87 d3 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 [ 30.303859][ T1730] RSP: 0018:ffff8881cf86f268 EFLAGS: 00010207 [ 30.309928][ T1730] RAX: dffffc0000000000 RBX: ffff8881d5a1f700 RCX: ffffffff8211da0e [ 30.317918][ T1730] RDX: 000000000000000c RSI: ffffffff816af61d RDI: 0000000000000064 [ 30.325881][ T1730] RBP: 0000000000000000 R08: ffff8881cf870000 R09: fffffbfff11aeca6 [ 30.333860][ T1730] R10: fffffbfff11aeca5 R11: ffffffff88d7652f R12: 0000000000000000 [ 30.341844][ T1730] R13: ffff8881d5b5b000 R14: ffff8881cf5ba000 R15: ffff8881cfe16070 [ 30.349836][ T1730] FS: 0000000000000000(0000) GS:ffff8881db500000(0000) knlGS:0000000000000000 [ 30.358763][ T1730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.365323][ T1730] CR2: 00007ffe9f0be4a8 CR3: 00000001d4bf1000 CR4: 00000000001406e0 [ 30.373335][ T1730] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.381322][ T1730] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.389300][ T1730] Kernel panic - not syncing: Fatal exception [ 30.395883][ T1730] Kernel Offset: disabled [ 30.400192][ T1730] Rebooting in 86400 seconds..