[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.183' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.684174][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.913480][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid maxpacket 1073, setting to 1024 [ 24.925455][ T95] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 1024 [ 24.935636][ T95] usb 1-1: New USB device found, idVendor=08ca, idProduct=0020, bcdDevice=26.fe [ 24.945173][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.955813][ T95] usb 1-1: config 0 descriptor?? [ 24.973602][ T348] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 25.223218][ T95] aiptek 1-1:0.0: Aiptek using 400 ms programming speed [ 25.236328][ T95] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input5 [ 25.245801][ T95] ------------[ cut here ]------------ [ 25.251605][ T95] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 25.258519][ T95] WARNING: CPU: 1 PID: 95 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 25.268448][ T95] Kernel panic - not syncing: panic_on_warn set ... [ 25.275607][ T95] CPU: 1 PID: 95 Comm: kworker/1:2 Not tainted 5.7.0-rc1-syzkaller #0 [ 25.284129][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.294704][ T95] Workqueue: usb_hub_wq hub_event [ 25.299875][ T95] Call Trace: [ 25.303432][ T95] dump_stack+0xef/0x16e [ 25.308420][ T95] ? usb_submit_urb+0x10f0/0x1460 [ 25.314177][ T95] panic+0x2aa/0x6e1 [ 25.318399][ T95] ? add_taint.cold+0x16/0x16 [ 25.323410][ T95] ? __probe_kernel_read+0x188/0x1d0 [ 25.329169][ T95] ? __warn.cold+0x14/0x30 [ 25.333786][ T95] ? __warn+0xd5/0x1c8 [ 25.338747][ T95] ? usb_submit_urb+0x1188/0x1460 [ 25.344509][ T95] __warn.cold+0x2f/0x30 [ 25.348855][ T95] ? usb_submit_urb+0x1188/0x1460 [ 25.354417][ T95] report_bug+0x27b/0x2f0 [ 25.359079][ T95] do_error_trap+0x12b/0x1e0 [ 25.363680][ T95] ? usb_submit_urb+0x1188/0x1460 [ 25.369152][ T95] do_invalid_op+0x32/0x40 [ 25.373887][ T95] ? usb_submit_urb+0x1188/0x1460 [ 25.379199][ T95] invalid_op+0x23/0x30 [ 25.383517][ T95] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 25.389428][ T95] Code: 4d 85 ed 74 46 e8 38 c2 d2 fd 4c 89 f7 e8 70 ac 16 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 52 3d 86 e8 40 96 a6 fd <0f> 0b e9 20 f4 ff ff e8 0c c2 d2 fd 0f 1f 44 00 00 e8 02 c2 d2 fd [ 25.410381][ T95] RSP: 0018:ffff8881d584ef98 EFLAGS: 00010286 [ 25.416852][ T95] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 25.425955][ T95] RDX: 0000000000000000 RSI: ffffffff812a2d8d RDI: ffffed103ab09de5 [ 25.434620][ T95] RBP: ffff8881d8dd2f00 R08: ffff8881d6dfb180 R09: ffffed103b666292 [ 25.442854][ T95] R10: ffff8881db33148f R11: ffffed103b666291 R12: 0000000000000001 [ 25.451159][ T95] R13: ffff8881d8888480 R14: ffff8881ce1200a0 R15: ffff8881cbf1d500 [ 25.460173][ T95] ? vprintk_func+0x7d/0x113 [ 25.465382][ T95] ? usb_submit_urb+0x1188/0x1460 [ 25.470611][ T95] aiptek_open+0xd5/0x130 [ 25.475729][ T95] input_open_device+0x16c/0x2c0 [ 25.480878][ T95] ? store_tabletXtilt+0x230/0x230 [ 25.486399][ T95] kbd_connect+0xfe/0x160 [ 25.491280][ T95] input_attach_handler+0x194/0x200 [ 25.496698][ T95] input_register_device.cold+0xfd/0x316 [ 25.502345][ T95] aiptek_probe.cold+0x28e/0x30d [ 25.507751][ T95] ? store_tabletExecute+0x80/0x80 [ 25.513563][ T95] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 25.519645][ T95] ? __pm_runtime_resume+0x111/0x180 [ 25.525116][ T95] usb_probe_interface+0x310/0x800 [ 25.530538][ T95] ? usb_probe_device+0x230/0x230 [ 25.535699][ T95] really_probe+0x290/0xac0 [ 25.540342][ T95] driver_probe_device+0x223/0x350 [ 25.545577][ T95] __device_attach_driver+0x1d1/0x290 [ 25.551315][ T95] ? driver_allows_async_probing+0x160/0x160 [ 25.557525][ T95] bus_for_each_drv+0x162/0x1e0 [ 25.562385][ T95] ? bus_rescan_devices+0x20/0x20 [ 25.567680][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.573485][ T95] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 25.578902][ T95] __device_attach+0x21a/0x390 [ 25.584119][ T95] ? device_bind_driver+0xd0/0xd0 [ 25.591516][ T95] bus_probe_device+0x1e4/0x290 [ 25.597072][ T95] device_add+0x1367/0x1c20 [ 25.602264][ T95] ? wait_for_completion+0x280/0x280 [ 25.608100][ T95] ? device_link_remove+0x110/0x110 [ 25.613315][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.619701][ T95] usb_set_configuration+0xed4/0x1850 [ 25.625396][ T95] usb_generic_driver_probe+0x9d/0xe0 [ 25.631342][ T95] usb_probe_device+0xd9/0x230 [ 25.636251][ T95] ? usb_suspend+0x600/0x600 [ 25.641374][ T95] really_probe+0x290/0xac0 [ 25.645983][ T95] driver_probe_device+0x223/0x350 [ 25.651289][ T95] __device_attach_driver+0x1d1/0x290 [ 25.657336][ T95] ? driver_allows_async_probing+0x160/0x160 [ 25.663381][ T95] bus_for_each_drv+0x162/0x1e0 [ 25.668586][ T95] ? bus_rescan_devices+0x20/0x20 [ 25.674220][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.680296][ T95] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 25.685863][ T95] __device_attach+0x21a/0x390 [ 25.691106][ T95] ? device_bind_driver+0xd0/0xd0 [ 25.696749][ T95] bus_probe_device+0x1e4/0x290 [ 25.702965][ T95] device_add+0x1367/0x1c20 [ 25.707565][ T95] ? device_link_remove+0x110/0x110 [ 25.712967][ T95] usb_new_device.cold+0x552/0xf6e [ 25.718914][ T95] ? hub_disconnect+0x4a0/0x4a0 [ 25.723781][ T95] ? mark_held_locks+0x9f/0xe0 [ 25.728638][ T95] ? _raw_spin_unlock_irq+0x1f/0x30 [ 25.734165][ T95] hub_event+0x226d/0x43c0 [ 25.738754][ T95] ? hub_port_debounce+0x350/0x350 [ 25.744285][ T95] ? umh_clean_and_save_pid+0x1/0xd0 [ 25.749729][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.755674][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.761255][ T95] ? _raw_spin_unlock_irq+0x1f/0x30 [ 25.766595][ T95] process_one_work+0x965/0x1630 [ 25.771537][ T95] ? lock_release+0x720/0x720 [ 25.776384][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.781839][ T95] ? rwlock_bug.part.0+0x90/0x90 [ 25.787001][ T95] worker_thread+0x96/0xe20 [ 25.792752][ T95] ? process_one_work+0x1630/0x1630 [ 25.797947][ T95] kthread+0x326/0x430 [ 25.802018][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 25.807592][ T95] ret_from_fork+0x24/0x30 [ 25.813285][ T95] Kernel Offset: disabled [ 25.818264][ T95] Rebooting in 86400 seconds..