Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 28.181370][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.191976][ T293] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 28.199522][ T5] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 28.208105][ T95] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 28.216272][ T12] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 28.223825][ T382] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 28.291552][ T83] usb 1-1: Using ep0 maxpacket: 32 [ 28.321603][ T95] usb 6-1: Using ep0 maxpacket: 32 [ 28.326843][ T293] usb 3-1: Using ep0 maxpacket: 32 [ 28.332907][ T12] usb 4-1: Using ep0 maxpacket: 32 [ 28.338076][ T5] usb 2-1: Using ep0 maxpacket: 32 [ 28.344130][ T382] usb 5-1: Using ep0 maxpacket: 32 [ 28.411351][ T83] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.420621][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.433130][ T83] usb 1-1: config 0 descriptor?? [ 28.451298][ T12] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.460392][ T12] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.468734][ T95] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.477856][ T95] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.486040][ T293] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.495214][ T293] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.503289][ T5] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.512354][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.520365][ T382] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.529417][ T382] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.538785][ T12] usb 4-1: config 0 descriptor?? [ 28.547579][ T5] usb 2-1: config 0 descriptor?? [ 28.553367][ T382] usb 5-1: config 0 descriptor?? [ 28.559135][ T95] usb 6-1: config 0 descriptor?? [ 28.565145][ T293] usb 3-1: config 0 descriptor?? [ 28.692338][ T83] hso 1-1:0.0: Failed to find BULK IN ep [ 28.802314][ T12] hso 4-1:0.0: Failed to find BULK IN ep [ 28.814362][ T382] hso 5-1:0.0: Failed to find BULK IN ep [ 28.822140][ T95] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 28.829609][ T95] CPU: 0 PID: 95 Comm: kworker/0:2 Not tainted 5.6.0-rc7-syzkaller #0 [ 28.837790][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.847850][ T95] Workqueue: usb_hub_wq hub_event [ 28.852854][ T95] Call Trace: [ 28.856126][ T95] dump_stack+0xef/0x16e [ 28.860356][ T95] sysfs_warn_dup.cold+0x1c/0x2d [ 28.865287][ T95] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 28.871343][ T95] sysfs_create_link+0x61/0xc0 [ 28.876088][ T95] device_add+0x756/0x1bf0 [ 28.880484][ T95] ? lockdep_init_map+0x1b0/0x5e0 [ 28.885489][ T95] ? device_link_remove+0x110/0x110 [ 28.890674][ T95] ? __init_waitqueue_head+0x31/0x90 [ 28.895952][ T95] tty_register_device_attr+0x341/0x6f0 [ 28.901480][ T95] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 28.907007][ T95] ? mark_held_locks+0x9f/0xe0 [ 28.911751][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.917542][ T95] ? tty_port_register_device_attr+0xb9/0x110 [ 28.923592][ T95] hso_serial_common_create+0x113/0x710 [ 28.929123][ T95] ? kasan_unpoison_shadow+0x30/0x40 [ 28.934394][ T95] hso_probe+0xc93/0x1b7b [ 28.938706][ T95] usb_probe_interface+0x310/0x800 [ 28.943802][ T95] ? usb_probe_device+0x230/0x230 [ 28.948851][ T95] really_probe+0x290/0xac0 [ 28.953331][ T95] driver_probe_device+0x223/0x350 [ 28.958420][ T95] __device_attach_driver+0x1d1/0x290 [ 28.963768][ T95] ? driver_allows_async_probing+0x160/0x160 [ 28.969750][ T95] bus_for_each_drv+0x162/0x1e0 [ 28.974587][ T95] ? bus_rescan_devices+0x20/0x20 [ 28.979592][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.985378][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 28.990648][ T95] __device_attach+0x217/0x390 [ 28.995390][ T95] ? device_bind_driver+0xd0/0xd0 [ 29.000398][ T95] bus_probe_device+0x1e4/0x290 [ 29.005242][ T95] device_add+0x1459/0x1bf0 [ 29.009726][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 29.014987][ T95] ? device_link_remove+0x110/0x110 [ 29.020163][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.025946][ T95] usb_set_configuration+0xece/0x1840 [ 29.031296][ T95] usb_generic_driver_probe+0x9d/0xe0 [ 29.036659][ T95] usb_probe_device+0xd9/0x230 [ 29.041426][ T95] ? usb_suspend+0x5f0/0x5f0 [ 29.045995][ T95] really_probe+0x290/0xac0 [ 29.050477][ T95] driver_probe_device+0x223/0x350 [ 29.055572][ T95] __device_attach_driver+0x1d1/0x290 [ 29.060931][ T95] ? driver_allows_async_probing+0x160/0x160 [ 29.066912][ T95] bus_for_each_drv+0x162/0x1e0 [ 29.071749][ T95] ? bus_rescan_devices+0x20/0x20 [ 29.076764][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.082548][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 29.087811][ T95] __device_attach+0x217/0x390 [ 29.092549][ T95] ? device_bind_driver+0xd0/0xd0 [ 29.097551][ T95] bus_probe_device+0x1e4/0x290 [ 29.102378][ T95] device_add+0x1459/0x1bf0 [ 29.106859][ T95] ? device_link_remove+0x110/0x110 [ 29.112037][ T95] usb_new_device.cold+0x540/0xcd0 [ 29.117133][ T95] hub_event+0x21cb/0x4300 [ 29.121525][ T95] ? hub_port_debounce+0x350/0x350 [ 29.126664][ T95] ? find_held_lock+0x2d/0x110 [ 29.131417][ T95] ? mark_held_locks+0xe0/0xe0 [ 29.136208][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.141730][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.147044][ T95] process_one_work+0x94b/0x1620 [ 29.151968][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.157336][ T95] ? do_raw_spin_lock+0x129/0x290 [ 29.162393][ T95] worker_thread+0x96/0xe20 [ 29.166876][ T95] ? process_one_work+0x1620/0x1620 [ 29.172050][ T95] kthread+0x318/0x420 [ 29.176099][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 29.181448][ T95] ret_from_fork+0x24/0x30 [ 29.186422][ T293] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 29.193963][ T293] CPU: 0 PID: 293 Comm: kworker/0:3 Not tainted 5.6.0-rc7-syzkaller #0 [ 29.202280][ T293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.212331][ T293] Workqueue: usb_hub_wq hub_event [ 29.217338][ T293] Call Trace: [ 29.220620][ T293] dump_stack+0xef/0x16e [ 29.224849][ T293] sysfs_warn_dup.cold+0x1c/0x2d [ 29.229773][ T293] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 29.235841][ T293] sysfs_create_link+0x61/0xc0 [ 29.240596][ T293] device_add+0x756/0x1bf0 [ 29.244999][ T293] ? lockdep_init_map+0x1b0/0x5e0 [ 29.250014][ T293] ? device_link_remove+0x110/0x110 [ 29.255197][ T293] ? __init_waitqueue_head+0x31/0x90 [ 29.260466][ T293] tty_register_device_attr+0x341/0x6f0 [ 29.266006][ T293] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 29.271547][ T293] ? mark_held_locks+0x9f/0xe0 [ 29.276307][ T293] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.282098][ T293] ? tty_port_register_device_attr+0xb9/0x110 [ 29.288145][ T293] hso_serial_common_create+0x113/0x710 [ 29.293680][ T293] ? kasan_unpoison_shadow+0x30/0x40 [ 29.298952][ T293] hso_probe+0xc93/0x1b7b [ 29.303269][ T293] usb_probe_interface+0x310/0x800 [ 29.308372][ T293] ? usb_probe_device+0x230/0x230 [ 29.313391][ T293] really_probe+0x290/0xac0 [ 29.317929][ T293] driver_probe_device+0x223/0x350 [ 29.323023][ T293] __device_attach_driver+0x1d1/0x290 [ 29.328382][ T293] ? driver_allows_async_probing+0x160/0x160 [ 29.334346][ T293] bus_for_each_drv+0x162/0x1e0 [ 29.339180][ T293] ? bus_rescan_devices+0x20/0x20 [ 29.344192][ T293] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.349982][ T293] ? lockdep_hardirqs_on+0x382/0x580 [ 29.355261][ T293] __device_attach+0x217/0x390 [ 29.360007][ T293] ? device_bind_driver+0xd0/0xd0 [ 29.365017][ T293] bus_probe_device+0x1e4/0x290 [ 29.369859][ T293] device_add+0x1459/0x1bf0 [ 29.374345][ T293] ? wait_for_completion+0x3c0/0x3c0 [ 29.379613][ T293] ? device_link_remove+0x110/0x110 [ 29.385051][ T293] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.390837][ T293] usb_set_configuration+0xece/0x1840 [ 29.396187][ T293] usb_generic_driver_probe+0x9d/0xe0 [ 29.401534][ T293] usb_probe_device+0xd9/0x230 [ 29.406277][ T293] ? usb_suspend+0x5f0/0x5f0 [ 29.410849][ T293] really_probe+0x290/0xac0 [ 29.415435][ T293] driver_probe_device+0x223/0x350 [ 29.420528][ T293] __device_attach_driver+0x1d1/0x290 [ 29.425879][ T293] ? driver_allows_async_probing+0x160/0x160 [ 29.431851][ T293] bus_for_each_drv+0x162/0x1e0 [ 29.436704][ T293] ? bus_rescan_devices+0x20/0x20 [ 29.441720][ T293] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.447504][ T293] ? lockdep_hardirqs_on+0x382/0x580 [ 29.452769][ T293] __device_attach+0x217/0x390 [ 29.457512][ T293] ? device_bind_driver+0xd0/0xd0 [ 29.462513][ T293] bus_probe_device+0x1e4/0x290 [ 29.467342][ T293] device_add+0x1459/0x1bf0 [ 29.471834][ T293] ? device_link_remove+0x110/0x110 [ 29.477014][ T293] usb_new_device.cold+0x540/0xcd0 [ 29.482115][ T293] hub_event+0x21cb/0x4300 [ 29.486537][ T293] ? hub_port_debounce+0x350/0x350 [ 29.491640][ T293] ? find_held_lock+0x2d/0x110 [ 29.496390][ T293] ? mark_held_locks+0xe0/0xe0 [ 29.501148][ T293] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.506670][ T293] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.511944][ T293] process_one_work+0x94b/0x1620 [ 29.516905][ T293] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.522255][ T293] ? do_raw_spin_lock+0x129/0x290 [ 29.527258][ T293] worker_thread+0x96/0xe20 [ 29.531756][ T293] ? process_one_work+0x1620/0x1620 [ 29.536942][ T293] kthread+0x318/0x420 [ 29.540988][ T293] ? kthread_create_on_node+0xf0/0xf0 [ 29.546383][ T293] ret_from_fork+0x24/0x30 [ 29.553624][ T95] hso 6-1:0.0: Failed to find BULK IN ep [ 29.557327][ T17] usb 5-1: USB disconnect, device number 2 [ 29.559524][ T5] hso 2-1:0.0: Failed to find BULK IN ep [ 29.565182][ T83] usb 4-1: USB disconnect, device number 2 [ 29.571054][ T293] hso 3-1:0.0: Failed to find BULK IN ep [ 29.585130][ T5] ------------[ cut here ]------------ [ 29.590587][ T5] sysfs group 'power' not found for kobject 'ttyHS0' [ 29.597428][ T5] WARNING: CPU: 0 PID: 5 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 29.606441][ T5] Kernel panic - not syncing: panic_on_warn set ... [ 29.613024][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.6.0-rc7-syzkaller #0 [ 29.620551][ T399] usb 1-1: USB disconnect, device number 2 [ 29.621074][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.621087][ T5] Workqueue: usb_hub_wq hub_event [ 29.621094][ T5] Call Trace: [ 29.621108][ T5] dump_stack+0xef/0x16e [ 29.621124][ T5] ? sysfs_remove_group+0x100/0x1b0 [ 29.621135][ T5] panic+0x2aa/0x6e1 [ 29.621145][ T5] ? add_taint.cold+0x16/0x16 [ 29.621156][ T5] ? __probe_kernel_read+0x188/0x1d0 [ 29.621170][ T5] ? __warn.cold+0x14/0x30 [ 29.673007][ T5] ? __warn+0xd5/0x1c8 [ 29.677081][ T5] ? sysfs_remove_group+0x155/0x1b0 [ 29.682290][ T5] __warn.cold+0x2f/0x30 [ 29.686548][ T5] ? sysfs_remove_group+0x155/0x1b0 [ 29.691746][ T5] report_bug+0x27b/0x2f0 [ 29.696075][ T5] do_error_trap+0x12b/0x1e0 [ 29.700672][ T5] ? sysfs_remove_group+0x155/0x1b0 executing program executing program executing program executing program executing program executing program [ 29.705870][ T5] do_invalid_op+0x32/0x40 [ 29.710286][ T5] ? sysfs_remove_group+0x155/0x1b0 [ 29.715486][ T5] invalid_op+0x23/0x30 [ 29.719649][ T5] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 29.725489][ T5] 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 58 f1 85 e8 93 27 84 ff <0f> 0b eb 95 e8 52 60 d8 ff e9 d2 fe ff ff 48 89 df e8 45 60 d8 ff [ 29.745171][ T5] RSP: 0018:ffff8881da1df0b8 EFLAGS: 00010282 [ 29.751214][ T5] RAX: 0000000000000000 RBX: ffffffff8615ed00 RCX: 0000000000000000 [ 29.759166][ T5] RDX: 0000000000000000 RSI: ffffffff812974dd RDI: ffffed103b43be09 [ 29.767127][ T5] RBP: 0000000000000000 R08: ffff8881da196200 R09: ffffed103b646248 [ 29.775076][ T5] R10: ffffed103b646247 R11: ffff8881db23123f R12: ffff8881cd32a000 [ 29.783027][ T5] R13: ffffffff8615f2a0 R14: ffff8881cd329000 R15: ffff8881ccc73070 [ 29.790993][ T5] ? vprintk_func+0x7d/0x113 [ 29.795563][ T5] ? sysfs_remove_group+0x155/0x1b0 [ 29.800740][ T5] dpm_sysfs_remove+0x97/0xb0 [ 29.805392][ T5] device_del+0x18b/0xd30 [ 29.809697][ T5] ? device_match_of_node+0x50/0x50 [ 29.814881][ T5] ? device_create_with_groups+0x120/0x120 [ 29.820670][ T5] device_unregister+0x22/0xc0 [ 29.825414][ T5] device_destroy+0x96/0xd0 [ 29.829903][ T5] ? root_device_unregister+0x60/0x60 [ 29.835258][ T5] ? hso_serial_common_create+0x3a3/0x710 [ 29.840959][ T5] tty_unregister_device+0x7e/0x1a0 [ 29.846144][ T5] hso_probe.cold+0x6e/0x14c [ 29.850775][ T5] usb_probe_interface+0x310/0x800 [ 29.855883][ T5] ? usb_probe_device+0x230/0x230 [ 29.860895][ T5] really_probe+0x290/0xac0 [ 29.865377][ T5] driver_probe_device+0x223/0x350 [ 29.870527][ T5] __device_attach_driver+0x1d1/0x290 [ 29.875875][ T5] ? driver_allows_async_probing+0x160/0x160 [ 29.881834][ T5] bus_for_each_drv+0x162/0x1e0 [ 29.886663][ T5] ? bus_rescan_devices+0x20/0x20 [ 29.891666][ T5] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.897460][ T5] ? lockdep_hardirqs_on+0x382/0x580 [ 29.902788][ T5] __device_attach+0x217/0x390 [ 29.907538][ T5] ? device_bind_driver+0xd0/0xd0 [ 29.912548][ T5] bus_probe_device+0x1e4/0x290 [ 29.917434][ T5] device_add+0x1459/0x1bf0 [ 29.921927][ T5] ? wait_for_completion+0x3c0/0x3c0 [ 29.927205][ T5] ? device_link_remove+0x110/0x110 [ 29.932382][ T5] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.938168][ T5] usb_set_configuration+0xece/0x1840 [ 29.943521][ T5] usb_generic_driver_probe+0x9d/0xe0 [ 29.948882][ T5] usb_probe_device+0xd9/0x230 [ 29.953646][ T5] ? usb_suspend+0x5f0/0x5f0 [ 29.958219][ T5] really_probe+0x290/0xac0 [ 29.962707][ T5] driver_probe_device+0x223/0x350 [ 29.967811][ T5] __device_attach_driver+0x1d1/0x290 [ 29.973173][ T5] ? driver_allows_async_probing+0x160/0x160 [ 29.979131][ T5] bus_for_each_drv+0x162/0x1e0 [ 29.983977][ T5] ? bus_rescan_devices+0x20/0x20 [ 29.989002][ T5] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.994793][ T5] ? lockdep_hardirqs_on+0x382/0x580 [ 30.000059][ T5] __device_attach+0x217/0x390 [ 30.004851][ T5] ? device_bind_driver+0xd0/0xd0 [ 30.009865][ T5] bus_probe_device+0x1e4/0x290 [ 30.014704][ T5] device_add+0x1459/0x1bf0 [ 30.019184][ T5] ? device_link_remove+0x110/0x110 [ 30.024360][ T5] usb_new_device.cold+0x540/0xcd0 [ 30.029450][ T5] hub_event+0x21cb/0x4300 [ 30.033843][ T5] ? hub_port_debounce+0x350/0x350 [ 30.038933][ T5] ? find_held_lock+0x2d/0x110 [ 30.043715][ T5] ? mark_held_locks+0xe0/0xe0 [ 30.048459][ T5] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.054028][ T5] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.059292][ T5] process_one_work+0x94b/0x1620 [ 30.064250][ T5] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.069618][ T5] ? do_raw_spin_lock+0x129/0x290 [ 30.074634][ T5] worker_thread+0x96/0xe20 [ 30.079158][ T5] ? process_one_work+0x1620/0x1620 [ 30.084348][ T5] kthread+0x318/0x420 [ 30.088397][ T5] ? kthread_create_on_node+0xf0/0xf0 [ 30.093756][ T5] ret_from_fork+0x24/0x30 [ 30.098751][ T5] Kernel Offset: disabled [ 30.103101][ T5] Rebooting in 86400 seconds..