Warning: Permanently added '10.128.1.18' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 24.679747][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.689750][ T102] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 24.697474][ T5] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 24.705106][ T12] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 24.712965][ T1729] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 24.720501][ T1730] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 24.929710][ T83] usb 1-1: Using ep0 maxpacket: 32 [ 24.929974][ T102] usb 6-1: Using ep0 maxpacket: 32 [ 24.959787][ T12] usb 3-1: Using ep0 maxpacket: 32 [ 24.965060][ T5] usb 5-1: Using ep0 maxpacket: 32 [ 24.970267][ T1730] usb 4-1: Using ep0 maxpacket: 32 [ 24.975447][ T1729] usb 2-1: Using ep0 maxpacket: 32 [ 25.049851][ T83] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 25.059468][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.060226][ T102] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 25.073683][ T83] usb 1-1: config 0 descriptor?? [ 25.077220][ T102] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.090649][ T12] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 25.099801][ T12] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.107990][ T1730] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 25.117246][ T1730] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.125321][ T5] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 25.134532][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.142647][ T1729] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 25.151777][ T1729] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.160841][ T102] usb 6-1: config 0 descriptor?? [ 25.166158][ T12] usb 3-1: config 0 descriptor?? [ 25.172377][ T1729] usb 2-1: config 0 descriptor?? [ 25.177656][ T5] usb 5-1: config 0 descriptor?? [ 25.183598][ T1730] usb 4-1: config 0 descriptor?? [ 25.351514][ T83] hso 1-1:0.0: Failed to find BULK IN ep [ 25.420789][ T102] hso 6-1:0.0: Failed to find BULK IN ep [ 25.431129][ T1729] hso 2-1:0.0: Failed to find BULK IN ep [ 25.440925][ T1730] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 25.448431][ T1730] CPU: 0 PID: 1730 Comm: kworker/0:4 Not tainted 5.4.0-syzkaller #0 [ 25.456402][ T1730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.466455][ T1730] Workqueue: usb_hub_wq hub_event [ 25.471463][ T1730] Call Trace: [ 25.474743][ T1730] dump_stack+0xef/0x16e [ 25.478965][ T1730] sysfs_warn_dup.cold+0x1c/0x2d [ 25.483881][ T1730] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 25.489933][ T1730] sysfs_create_link+0x61/0xc0 [ 25.494691][ T1730] device_add+0x77d/0x1c20 [ 25.499259][ T1730] ? lockdep_init_map+0x1b0/0x5e0 [ 25.504287][ T1730] ? device_links_flush_sync_list+0x350/0x350 [ 25.510345][ T1730] ? __init_waitqueue_head+0x31/0x90 [ 25.516041][ T1730] tty_register_device_attr+0x341/0x6f0 [ 25.521573][ T1730] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 25.528324][ T1730] ? mark_held_locks+0x9f/0xe0 [ 25.533102][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.538887][ T1730] ? tty_port_register_device_attr+0xb9/0x110 [ 25.545134][ T1730] hso_serial_common_create+0x113/0x710 [ 25.550708][ T1730] ? kasan_unpoison_shadow+0x30/0x40 [ 25.555993][ T1730] hso_probe+0xc93/0x1b7b [ 25.560308][ T1730] usb_probe_interface+0x305/0x7a0 [ 25.565428][ T1730] ? usb_probe_device+0x100/0x100 [ 25.570443][ T1730] really_probe+0x281/0x6d0 [ 25.574938][ T1730] driver_probe_device+0x104/0x210 [ 25.580135][ T1730] __device_attach_driver+0x1c2/0x220 [ 25.585505][ T1730] ? driver_allows_async_probing+0x160/0x160 [ 25.593046][ T1730] bus_for_each_drv+0x162/0x1e0 [ 25.597888][ T1730] ? bus_rescan_devices+0x20/0x20 [ 25.602910][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.608718][ T1730] ? lockdep_hardirqs_on+0x382/0x580 [ 25.614102][ T1730] __device_attach+0x217/0x360 executing program executing program executing program executing program executing program [ 25.619382][ T1730] ? device_bind_driver+0xd0/0xd0 [ 25.621477][ T83] usb 6-1: USB disconnect, device number 2 [ 25.624420][ T1730] bus_probe_device+0x1e4/0x290 [ 25.635059][ T1730] device_add+0x1480/0x1c20 [ 25.639595][ T1730] ? wait_for_completion+0x3c0/0x3c0 [ 25.645685][ T1730] ? device_links_flush_sync_list+0x350/0x350 [ 25.651758][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.657570][ T1730] usb_set_configuration+0xe67/0x1740 [ 25.662951][ T1730] generic_probe+0x9d/0xd5 [ 25.667376][ T1730] usb_probe_device+0x99/0x100 [ 25.672148][ T1730] ? usb_suspend+0x620/0x620 [ 25.676741][ T1730] really_probe+0x281/0x6d0 [ 25.681250][ T1730] driver_probe_device+0x104/0x210 [ 25.686409][ T1730] __device_attach_driver+0x1c2/0x220 [ 25.691773][ T1730] ? driver_allows_async_probing+0x160/0x160 [ 25.697738][ T1730] bus_for_each_drv+0x162/0x1e0 [ 25.702571][ T1730] ? bus_rescan_devices+0x20/0x20 [ 25.707591][ T1730] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.714158][ T1730] ? lockdep_hardirqs_on+0x382/0x580 [ 25.719425][ T1730] __device_attach+0x217/0x360 [ 25.724187][ T1730] ? device_bind_driver+0xd0/0xd0 [ 25.729203][ T1730] bus_probe_device+0x1e4/0x290 [ 25.734055][ T1730] device_add+0x1480/0x1c20 [ 25.738539][ T1730] ? device_links_flush_sync_list+0x350/0x350 [ 25.744588][ T1730] usb_new_device.cold+0x6a4/0xe79 [ 25.749677][ T1730] hub_event+0x1e59/0x3860 [ 25.754072][ T1730] ? hub_port_debounce+0x260/0x260 [ 25.759245][ T1730] ? find_held_lock+0x2d/0x110 [ 25.763996][ T1730] ? mark_held_locks+0xe0/0xe0 [ 25.768751][ T1730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.774291][ T1730] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.779654][ T1730] process_one_work+0x92b/0x1530 [ 25.784601][ T1730] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.790276][ T1730] worker_thread+0x96/0xe20 [ 25.794757][ T1730] ? process_one_work+0x1530/0x1530 [ 25.800278][ T1730] kthread+0x318/0x420 [ 25.804324][ T1730] ? kthread_create_on_node+0xf0/0xf0 [ 25.809677][ T1730] ret_from_fork+0x24/0x30 [ 25.814599][ T5] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 25.820754][ T12] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 25.822695][ T17] usb 1-1: USB disconnect, device number 2 [ 25.828224][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-syzkaller #0 [ 25.828231][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.828250][ T12] Workqueue: usb_hub_wq hub_event [ 25.828257][ T12] Call Trace: [ 25.828275][ T12] dump_stack+0xef/0x16e [ 25.828289][ T12] sysfs_warn_dup.cold+0x1c/0x2d [ 25.828306][ T12] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 25.875817][ T12] sysfs_create_link+0x61/0xc0 [ 25.880565][ T12] device_add+0x77d/0x1c20 [ 25.884970][ T12] ? lockdep_init_map+0x1b0/0x5e0 [ 25.889981][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 25.896046][ T12] ? __init_waitqueue_head+0x31/0x90 [ 25.902195][ T12] tty_register_device_attr+0x341/0x6f0 [ 25.907733][ T12] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 25.913358][ T12] ? mark_held_locks+0x9f/0xe0 [ 25.918125][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.924256][ T12] ? tty_port_register_device_attr+0xb9/0x110 [ 25.930328][ T12] hso_serial_common_create+0x113/0x710 [ 25.935923][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 25.941190][ T12] hso_probe+0xc93/0x1b7b [ 25.945511][ T12] usb_probe_interface+0x305/0x7a0 [ 25.950607][ T12] ? usb_probe_device+0x100/0x100 [ 25.955636][ T12] really_probe+0x281/0x6d0 [ 25.960136][ T12] driver_probe_device+0x104/0x210 [ 25.965324][ T12] __device_attach_driver+0x1c2/0x220 [ 25.971123][ T12] ? driver_allows_async_probing+0x160/0x160 [ 25.977089][ T12] bus_for_each_drv+0x162/0x1e0 [ 25.981926][ T12] ? bus_rescan_devices+0x20/0x20 [ 25.986939][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.992722][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 25.997984][ T12] __device_attach+0x217/0x360 [ 26.002735][ T12] ? device_bind_driver+0xd0/0xd0 [ 26.007738][ T12] bus_probe_device+0x1e4/0x290 [ 26.012576][ T12] device_add+0x1480/0x1c20 [ 26.017070][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 26.022694][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 26.028758][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.034569][ T12] usb_set_configuration+0xe67/0x1740 [ 26.039941][ T12] generic_probe+0x9d/0xd5 [ 26.044418][ T12] usb_probe_device+0x99/0x100 [ 26.049189][ T12] ? usb_suspend+0x620/0x620 [ 26.054122][ T12] really_probe+0x281/0x6d0 [ 26.058613][ T12] driver_probe_device+0x104/0x210 [ 26.063719][ T12] __device_attach_driver+0x1c2/0x220 [ 26.071612][ T12] ? driver_allows_async_probing+0x160/0x160 [ 26.077574][ T12] bus_for_each_drv+0x162/0x1e0 [ 26.082403][ T12] ? bus_rescan_devices+0x20/0x20 [ 26.087410][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.093198][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 26.098459][ T12] __device_attach+0x217/0x360 [ 26.103204][ T12] ? device_bind_driver+0xd0/0xd0 [ 26.108204][ T12] bus_probe_device+0x1e4/0x290 [ 26.113032][ T12] device_add+0x1480/0x1c20 [ 26.117520][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 26.123577][ T12] usb_new_device.cold+0x6a4/0xe79 [ 26.128676][ T12] hub_event+0x1e59/0x3860 [ 26.133106][ T12] ? hub_port_debounce+0x260/0x260 [ 26.138214][ T12] ? find_held_lock+0x2d/0x110 [ 26.142962][ T12] ? mark_held_locks+0xe0/0xe0 [ 26.147722][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.153241][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.158518][ T12] process_one_work+0x92b/0x1530 [ 26.163509][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.168898][ T12] worker_thread+0x96/0xe20 [ 26.173390][ T12] ? process_one_work+0x1530/0x1530 [ 26.178928][ T12] kthread+0x318/0x420 [ 26.182991][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 26.188360][ T12] ret_from_fork+0x24/0x30 [ 26.195071][ T1729] usb 2-1: USB disconnect, device number 2 [ 26.203519][ T5] usb 5-1: USB disconnect, device number 2 [ 26.213810][ T12] hso 3-1:0.0: Failed to find BULK IN ep [ 26.219587][ T12] kasan: CONFIG_KASAN_INLINE enabled [ 26.225095][ T12] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 26.233188][ T12] general protection fault: 0000 [#1] SMP KASAN [ 26.239546][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-syzkaller #0 [ 26.247330][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.258068][ T12] Workqueue: usb_hub_wq hub_event [ 26.263425][ T12] RIP: 0010:cdev_del+0x22/0x90 [ 26.268172][ T12] 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 [ 26.287753][ T12] RSP: 0018:ffff8881da627268 EFLAGS: 00010207 [ 26.293802][ T12] RAX: dffffc0000000000 RBX: ffff8881d778bb00 RCX: ffffffff8211da0e [ 26.301763][ T12] RDX: 000000000000000c RSI: ffffffff816af61d RDI: 0000000000000064 [ 26.309730][ T12] RBP: 0000000000000000 R08: ffff8881da611880 R09: fffffbfff11aeca6 [ 26.317675][ T12] R10: fffffbfff11aeca5 R11: ffffffff88d7652f R12: 0000000000000000 [ 26.325628][ T12] R13: ffff8881d5b23000 R14: ffff8881cf65d000 R15: ffff8881cfae9070 [ 26.333583][ T12] FS: 0000000000000000(0000) GS:ffff8881db400000(0000) knlGS:0000000000000000 [ 26.342494][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.349051][ T12] CR2: 00000000200004c0 CR3: 00000001d39d3000 CR4: 00000000001406f0 [ 26.357003][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.364953][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.372897][ T12] Call Trace: [ 26.376166][ T12] tty_unregister_device+0x10d/0x1a0 [ 26.381425][ T12] hso_probe.cold+0x6e/0x14c [ 26.386019][ T12] usb_probe_interface+0x305/0x7a0 [ 26.391106][ T12] ? usb_probe_device+0x100/0x100 [ 26.396106][ T12] really_probe+0x281/0x6d0 [ 26.400584][ T12] driver_probe_device+0x104/0x210 [ 26.405678][ T12] __device_attach_driver+0x1c2/0x220 [ 26.411037][ T12] ? driver_allows_async_probing+0x160/0x160 [ 26.416999][ T12] bus_for_each_drv+0x162/0x1e0 [ 26.421975][ T12] ? bus_rescan_devices+0x20/0x20 [ 26.427046][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.432843][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 26.438111][ T12] __device_attach+0x217/0x360 [ 26.442852][ T12] ? device_bind_driver+0xd0/0xd0 [ 26.447972][ T12] bus_probe_device+0x1e4/0x290 [ 26.453612][ T12] device_add+0x1480/0x1c20 [ 26.458114][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 26.463388][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 26.469530][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.475406][ T12] usb_set_configuration+0xe67/0x1740 [ 26.480778][ T12] generic_probe+0x9d/0xd5 [ 26.485197][ T12] usb_probe_device+0x99/0x100 [ 26.489939][ T12] ? usb_suspend+0x620/0x620 [ 26.494594][ T12] really_probe+0x281/0x6d0 [ 26.499240][ T12] driver_probe_device+0x104/0x210 [ 26.504343][ T12] __device_attach_driver+0x1c2/0x220 [ 26.509706][ T12] ? driver_allows_async_probing+0x160/0x160 [ 26.516012][ T12] bus_for_each_drv+0x162/0x1e0 [ 26.520849][ T12] ? bus_rescan_devices+0x20/0x20 [ 26.525849][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.531645][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 26.536918][ T12] __device_attach+0x217/0x360 [ 26.541670][ T12] ? device_bind_driver+0xd0/0xd0 [ 26.546768][ T12] bus_probe_device+0x1e4/0x290 [ 26.551606][ T12] device_add+0x1480/0x1c20 [ 26.556086][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 26.562146][ T12] usb_new_device.cold+0x6a4/0xe79 [ 26.567247][ T12] hub_event+0x1e59/0x3860 [ 26.571652][ T12] ? hub_port_debounce+0x260/0x260 [ 26.576799][ T12] ? find_held_lock+0x2d/0x110 [ 26.581548][ T12] ? mark_held_locks+0xe0/0xe0 [ 26.586304][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.591848][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.598033][ T12] process_one_work+0x92b/0x1530 [ 26.602984][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.608351][ T12] worker_thread+0x96/0xe20 [ 26.612859][ T12] ? process_one_work+0x1530/0x1530 [ 26.618070][ T12] kthread+0x318/0x420 [ 26.622127][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 26.627483][ T12] ret_from_fork+0x24/0x30 [ 26.631874][ T12] Modules linked in: [ 26.635829][ T12] ---[ end trace cb741c611247496f ]--- [ 26.641309][ T12] RIP: 0010:cdev_del+0x22/0x90 [ 26.646054][ T12] 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 [ 26.665664][ T12] RSP: 0018:ffff8881da627268 EFLAGS: 00010207 [ 26.671761][ T12] RAX: dffffc0000000000 RBX: ffff8881d778bb00 RCX: ffffffff8211da0e [ 26.679738][ T12] RDX: 000000000000000c RSI: ffffffff816af61d RDI: 0000000000000064 [ 26.687720][ T12] RBP: 0000000000000000 R08: ffff8881da611880 R09: fffffbfff11aeca6 [ 26.695718][ T12] R10: fffffbfff11aeca5 R11: ffffffff88d7652f R12: 0000000000000000 [ 26.703700][ T12] R13: ffff8881d5b23000 R14: ffff8881cf65d000 R15: ffff8881cfae9070 [ 26.711691][ T12] FS: 0000000000000000(0000) GS:ffff8881db400000(0000) knlGS:0000000000000000 [ 26.720626][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.727288][ T12] CR2: 00000000200004c0 CR3: 00000001d39d3000 CR4: 00000000001406f0 [ 26.735284][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.743327][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.751793][ T12] Kernel panic - not syncing: Fatal exception [ 26.758466][ T12] Kernel Offset: disabled [ 26.762777][ T12] Rebooting in 86400 seconds..