[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.205' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.689153][ T2172] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 36.939008][ T2172] usb 1-1: Using ep0 maxpacket: 8 [ 37.059140][ T2172] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 37.068979][ T2172] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has an invalid bInterval 173, changing to 11 [ 37.080193][ T2172] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=1f.31 [ 37.089374][ T2172] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.100922][ T2172] usb 1-1: config 0 descriptor?? executing program [ 37.389192][ T2172] usb 1-1: string descriptor 0 read error: -71 [ 37.402185][ T2172] smsusb:smsusb_probe: board id=2, interface number 0 [ 37.453987][ T2172] smsusb:siano_media_device_register: media controller created [ 37.463649][ T2172] ------------[ cut here ]------------ [ 37.469700][ T2172] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 37.475834][ T2172] WARNING: CPU: 0 PID: 2172 at drivers/usb/core/urb.c:493 usb_submit_urb+0xcde/0x14e0 [ 37.486268][ T2172] Modules linked in: [ 37.490278][ T2172] CPU: 0 PID: 2172 Comm: kworker/0:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 37.498686][ T2172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.508853][ T2172] Workqueue: usb_hub_wq hub_event [ 37.513906][ T2172] RIP: 0010:usb_submit_urb+0xcde/0x14e0 [ 37.519567][ T2172] Code: 84 d4 02 00 00 e8 82 31 bd fd 4c 89 ef e8 ea 02 1b ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 60 64 41 86 e8 ad 12 f3 01 <0f> 0b e9 ca f8 ff ff e8 56 31 bd fd 48 81 c5 40 06 00 00 e9 f6 f7 [ 37.539343][ T2172] RSP: 0018:ffffc90005cf6ed0 EFLAGS: 00010282 [ 37.545410][ T2172] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.553433][ T2172] RDX: ffff888108cc6500 RSI: ffffffff8128f483 RDI: fffff52000b9edcc [ 37.561651][ T2172] RBP: ffff8881082df250 R08: 0000000000000001 R09: ffff8881f6a1ff5b [ 37.569686][ T2172] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 37.577712][ T2172] R13: ffff888100b2f0a0 R14: ffff888100f16ed8 R15: ffff88810120e030 [ 37.585742][ T2172] FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 [ 37.594768][ T2172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.601417][ T2172] CR2: 000055c118fd5768 CR3: 00000001085f3000 CR4: 00000000001506f0 [ 37.609526][ T2172] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.617733][ T2172] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.625783][ T2172] Call Trace: [ 37.629243][ T2172] smsusb_start_streaming+0x2b2/0x329 [ 37.634634][ T2172] smsusb_init_device+0x9a9/0xb10 [ 37.639725][ T2172] ? do_submit_urb.cold+0x24/0x24 [ 37.644768][ T2172] ? smsusb_stop_streaming+0x170/0x170 [ 37.650319][ T2172] ? usb_clear_halt+0x9f/0x1b0 [ 37.655106][ T2172] smsusb_probe+0xd9e/0xe3b [ 37.659695][ T2172] ? smsusb_init_device+0xb10/0xb10 [ 37.664906][ T2172] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 37.680239][ T2172] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 37.686058][ T2172] ? trace_hardirqs_on+0x5b/0x1a0 [ 37.691209][ T2172] ? __pm_runtime_set_status+0x48a/0xd20 [ 37.697128][ T2172] usb_probe_interface+0x315/0x7f0 [ 37.702317][ T2172] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 37.707704][ T2172] really_probe+0x291/0xde0 [ 37.712285][ T2172] driver_probe_device+0x26b/0x3d0 [ 37.717421][ T2172] __device_attach_driver+0x1d1/0x290 [ 37.722882][ T2172] ? driver_allows_async_probing+0x150/0x150 [ 37.728937][ T2172] bus_for_each_drv+0x15f/0x1e0 [ 37.733802][ T2172] ? bus_for_each_dev+0x1d0/0x1d0 [ 37.738877][ T2172] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 37.744878][ T2172] ? trace_hardirqs_on+0x5b/0x1a0 [ 37.749953][ T2172] __device_attach+0x228/0x4a0 [ 37.754742][ T2172] ? really_probe+0xde0/0xde0 [ 37.759495][ T2172] ? kobject_uevent_env+0x2bb/0x1680 [ 37.764799][ T2172] bus_probe_device+0x1e4/0x290 [ 37.769864][ T2172] device_add+0xbb2/0x1ce0 [ 37.774302][ T2172] ? devlink_add_symlinks+0x450/0x450 [ 37.779752][ T2172] usb_set_configuration+0x113c/0x1910 [ 37.785226][ T2172] usb_generic_driver_probe+0xba/0x100 [ 37.790743][ T2172] usb_probe_device+0xd9/0x2c0 [ 37.795531][ T2172] ? usb_driver_release_interface+0x180/0x180 [ 37.801656][ T2172] really_probe+0x291/0xde0 [ 37.806190][ T2172] driver_probe_device+0x26b/0x3d0 [ 37.811352][ T2172] __device_attach_driver+0x1d1/0x290 [ 37.816737][ T2172] ? driver_allows_async_probing+0x150/0x150 [ 37.822766][ T2172] bus_for_each_drv+0x15f/0x1e0 [ 37.827630][ T2172] ? bus_for_each_dev+0x1d0/0x1d0 [ 37.832728][ T2172] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 37.840101][ T2172] ? trace_hardirqs_on+0x5b/0x1a0 [ 37.845153][ T2172] __device_attach+0x228/0x4a0 [ 37.850608][ T2172] ? really_probe+0xde0/0xde0 [ 37.855294][ T2172] ? kobject_uevent_env+0x2bb/0x1680 [ 37.860649][ T2172] bus_probe_device+0x1e4/0x290 [ 37.865525][ T2172] device_add+0xbb2/0x1ce0 [ 37.870022][ T2172] ? devlink_add_symlinks+0x450/0x450 [ 37.875407][ T2172] usb_new_device.cold+0x71d/0xfe9 [ 37.880573][ T2172] ? hub_disconnect+0x510/0x510 [ 37.885432][ T2172] ? rwlock_bug.part.0+0x90/0x90 [ 37.890422][ T2172] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 37.896411][ T2172] hub_event+0x2348/0x42d0 [ 37.900895][ T2172] ? hub_port_debounce+0x3b0/0x3b0 [ 37.906018][ T2172] ? __lock_acquire+0x821/0x54f0 [ 37.911005][ T2172] ? put_pwq+0xb0/0x1b0 [ 37.915429][ T2172] ? lock_release+0x6d0/0x6d0 [ 37.920249][ T2172] ? lock_downgrade+0x6d0/0x6d0 [ 37.925157][ T2172] ? do_raw_spin_lock+0x120/0x2b0 [ 37.930239][ T2172] process_one_work+0x933/0x1520 [ 37.935201][ T2172] ? lock_release+0x6d0/0x6d0 [ 37.939930][ T2172] ? pwq_dec_nr_in_flight+0x320/0x320 [ 37.945314][ T2172] ? rwlock_bug.part.0+0x90/0x90 [ 37.950299][ T2172] worker_thread+0x64c/0x1120 [ 37.955001][ T2172] ? __kthread_parkme+0x118/0x1d0 [ 37.960094][ T2172] ? process_one_work+0x1520/0x1520 [ 37.965295][ T2172] kthread+0x38c/0x460 [ 37.969419][ T2172] ? _raw_spin_unlock_irq+0x1f/0x30 [ 37.974626][ T2172] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 37.980569][ T2172] ret_from_fork+0x1f/0x30 [ 37.984979][ T2172] Kernel panic - not syncing: panic_on_warn set ... [ 37.991573][ T2172] CPU: 0 PID: 2172 Comm: kworker/0:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 37.999987][ T2172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.010484][ T2172] Workqueue: usb_hub_wq hub_event [ 38.015495][ T2172] Call Trace: [ 38.018772][ T2172] dump_stack+0x107/0x163 [ 38.023088][ T2172] panic+0x306/0x73d [ 38.026973][ T2172] ? __warn_printk+0xf3/0xf3 [ 38.031629][ T2172] ? __warn.cold+0x1a/0x44 [ 38.036043][ T2172] ? __warn+0xf1/0x210 [ 38.040185][ T2172] ? usb_submit_urb+0xcde/0x14e0 [ 38.045241][ T2172] __warn.cold+0x35/0x44 [ 38.049482][ T2172] ? irq_work_queue+0x44/0x50 [ 38.054162][ T2172] ? usb_submit_urb+0xcde/0x14e0 [ 38.059102][ T2172] report_bug+0x1bd/0x210 [ 38.063422][ T2172] handle_bug+0x3c/0x60 [ 38.067666][ T2172] exc_invalid_op+0x14/0x40 [ 38.072152][ T2172] asm_exc_invalid_op+0x12/0x20 [ 38.076985][ T2172] RIP: 0010:usb_submit_urb+0xcde/0x14e0 [ 38.082527][ T2172] Code: 84 d4 02 00 00 e8 82 31 bd fd 4c 89 ef e8 ea 02 1b ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 60 64 41 86 e8 ad 12 f3 01 <0f> 0b e9 ca f8 ff ff e8 56 31 bd fd 48 81 c5 40 06 00 00 e9 f6 f7 [ 38.102130][ T2172] RSP: 0018:ffffc90005cf6ed0 EFLAGS: 00010282 [ 38.108184][ T2172] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.116146][ T2172] RDX: ffff888108cc6500 RSI: ffffffff8128f483 RDI: fffff52000b9edcc [ 38.124128][ T2172] RBP: ffff8881082df250 R08: 0000000000000001 R09: ffff8881f6a1ff5b [ 38.132187][ T2172] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 38.140575][ T2172] R13: ffff888100b2f0a0 R14: ffff888100f16ed8 R15: ffff88810120e030 [ 38.148548][ T2172] ? vprintk_func+0x93/0x140 [ 38.153153][ T2172] smsusb_start_streaming+0x2b2/0x329 [ 38.158521][ T2172] smsusb_init_device+0x9a9/0xb10 [ 38.163536][ T2172] ? do_submit_urb.cold+0x24/0x24 [ 38.168551][ T2172] ? smsusb_stop_streaming+0x170/0x170 [ 38.174009][ T2172] ? usb_clear_halt+0x9f/0x1b0 [ 38.178757][ T2172] smsusb_probe+0xd9e/0xe3b [ 38.183243][ T2172] ? smsusb_init_device+0xb10/0xb10 [ 38.188438][ T2172] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 38.194440][ T2172] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 38.200254][ T2172] ? trace_hardirqs_on+0x5b/0x1a0 [ 38.205270][ T2172] ? __pm_runtime_set_status+0x48a/0xd20 [ 38.210889][ T2172] usb_probe_interface+0x315/0x7f0 [ 38.215984][ T2172] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 38.221338][ T2172] really_probe+0x291/0xde0 [ 38.225824][ T2172] driver_probe_device+0x26b/0x3d0 [ 38.230915][ T2172] __device_attach_driver+0x1d1/0x290 [ 38.236279][ T2172] ? driver_allows_async_probing+0x150/0x150 [ 38.242243][ T2172] bus_for_each_drv+0x15f/0x1e0 [ 38.247187][ T2172] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.252209][ T2172] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 38.258193][ T2172] ? trace_hardirqs_on+0x5b/0x1a0 [ 38.263311][ T2172] __device_attach+0x228/0x4a0 [ 38.268067][ T2172] ? really_probe+0xde0/0xde0 [ 38.272727][ T2172] ? kobject_uevent_env+0x2bb/0x1680 [ 38.278100][ T2172] bus_probe_device+0x1e4/0x290 [ 38.282933][ T2172] device_add+0xbb2/0x1ce0 [ 38.287331][ T2172] ? devlink_add_symlinks+0x450/0x450 [ 38.292702][ T2172] usb_set_configuration+0x113c/0x1910 [ 38.298345][ T2172] usb_generic_driver_probe+0xba/0x100 [ 38.303822][ T2172] usb_probe_device+0xd9/0x2c0 [ 38.308604][ T2172] ? usb_driver_release_interface+0x180/0x180 [ 38.314659][ T2172] really_probe+0x291/0xde0 [ 38.319157][ T2172] driver_probe_device+0x26b/0x3d0 [ 38.324251][ T2172] __device_attach_driver+0x1d1/0x290 [ 38.329622][ T2172] ? driver_allows_async_probing+0x150/0x150 [ 38.335599][ T2172] bus_for_each_drv+0x15f/0x1e0 [ 38.340432][ T2172] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.345475][ T2172] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 38.351447][ T2172] ? trace_hardirqs_on+0x5b/0x1a0 [ 38.356466][ T2172] __device_attach+0x228/0x4a0 [ 38.361218][ T2172] ? really_probe+0xde0/0xde0 [ 38.365969][ T2172] ? kobject_uevent_env+0x2bb/0x1680 [ 38.371321][ T2172] bus_probe_device+0x1e4/0x290 [ 38.376169][ T2172] device_add+0xbb2/0x1ce0 [ 38.380585][ T2172] ? devlink_add_symlinks+0x450/0x450 [ 38.385974][ T2172] usb_new_device.cold+0x71d/0xfe9 [ 38.391094][ T2172] ? hub_disconnect+0x510/0x510 [ 38.396065][ T2172] ? rwlock_bug.part.0+0x90/0x90 [ 38.401188][ T2172] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 38.407160][ T2172] hub_event+0x2348/0x42d0 [ 38.411566][ T2172] ? hub_port_debounce+0x3b0/0x3b0 [ 38.416660][ T2172] ? __lock_acquire+0x821/0x54f0 [ 38.421585][ T2172] ? put_pwq+0xb0/0x1b0 [ 38.425745][ T2172] ? lock_release+0x6d0/0x6d0 [ 38.430416][ T2172] ? lock_downgrade+0x6d0/0x6d0 [ 38.436303][ T2172] ? do_raw_spin_lock+0x120/0x2b0 [ 38.441325][ T2172] process_one_work+0x933/0x1520 [ 38.446265][ T2172] ? lock_release+0x6d0/0x6d0 [ 38.450974][ T2172] ? pwq_dec_nr_in_flight+0x320/0x320 [ 38.456341][ T2172] ? rwlock_bug.part.0+0x90/0x90 [ 38.461274][ T2172] worker_thread+0x64c/0x1120 [ 38.465952][ T2172] ? __kthread_parkme+0x118/0x1d0 [ 38.470971][ T2172] ? process_one_work+0x1520/0x1520 [ 38.476182][ T2172] kthread+0x38c/0x460 [ 38.480255][ T2172] ? _raw_spin_unlock_irq+0x1f/0x30 [ 38.485440][ T2172] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 38.491318][ T2172] ret_from_fork+0x1f/0x30 [ 38.496625][ T2172] Kernel Offset: disabled [ 38.501029][ T2172] Rebooting in 86400 seconds..