INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.013636][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.253594][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 37.373700][ T83] usb 1-1: config 0 has an invalid interface number: 94 but max is 0 [ 37.381928][ T83] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 37.392295][ T83] usb 1-1: config 0 has no interface number 0 [ 37.398456][ T83] usb 1-1: config 0 interface 94 altsetting 1 endpoint 0x88 has invalid maxpacket 1027, setting to 1024 [ 37.409665][ T83] usb 1-1: config 0 interface 94 altsetting 1 bulk endpoint 0x88 has invalid maxpacket 1024 [ 37.419869][ T83] usb 1-1: config 0 interface 94 has no altsetting 0 [ 37.426632][ T83] usb 1-1: New USB device found, idVendor=08ca, idProduct=0024, bcdDevice=9d.d8 [ 37.435836][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.445769][ T83] usb 1-1: config 0 descriptor?? [ 37.463898][ T1728] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 executing program [ 37.723767][ T83] usb 1-1: string descriptor 0 read error: -71 [ 37.743615][ T83] aiptek 1-1:0.94: Aiptek using 400 ms programming speed [ 37.751852][ T83] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.94/input/input5 [ 37.761126][ T83] ------------[ cut here ]------------ [ 37.766763][ T83] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 37.772767][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 37.782315][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 37.788892][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.5.0-rc1-syzkaller #0 [ 37.797016][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.807057][ T83] Workqueue: usb_hub_wq hub_event [ 37.812055][ T83] Call Trace: [ 37.815327][ T83] dump_stack+0xef/0x16e [ 37.819561][ T83] ? usb_submit_urb+0x1170/0x13b0 [ 37.824560][ T83] panic+0x2aa/0x6e1 [ 37.828433][ T83] ? add_taint.cold+0x16/0x16 [ 37.833089][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 37.838349][ T83] ? __warn.cold+0x14/0x30 [ 37.842739][ T83] ? __warn+0xd5/0x1c8 [ 37.846785][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 37.851783][ T83] __warn.cold+0x2f/0x30 [ 37.856003][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 37.861004][ T83] report_bug+0x27b/0x2f0 [ 37.865310][ T83] do_error_trap+0x12b/0x1e0 [ 37.869879][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 37.874879][ T83] do_invalid_op+0x32/0x40 [ 37.879273][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 37.884280][ T83] invalid_op+0x23/0x30 [ 37.888416][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 37.894024][ T83] Code: 4d 85 ed 74 2c e8 d8 8f e7 fd 4c 89 f7 e8 e0 2c 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 5a 15 86 e8 50 ac bc fd <0f> 0b e9 20 f4 ff ff e8 ac 8f e7 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 37.913608][ T83] RSP: 0018:ffff8881d8af7070 EFLAGS: 00010286 [ 37.919649][ T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 37.927610][ T83] RDX: 0000000000000000 RSI: ffffffff81295dad RDI: ffffed103b15ee00 [ 37.935559][ T83] RBP: ffff8881d177d280 R08: ffff8881d8963100 R09: ffffed103b66439f [ 37.943515][ T83] R10: ffffed103b66439e R11: ffff8881db321cf3 R12: 0000000000000001 [ 37.951464][ T83] R13: ffff8881c88ca558 R14: ffff8881c711b0a0 R15: ffff8881d493aa00 [ 37.959421][ T83] ? vprintk_func+0x7d/0x113 [ 37.963991][ T83] aiptek_open+0xd5/0x130 [ 37.968308][ T83] input_open_device+0x16c/0x2c0 [ 37.973223][ T83] ? store_tabletXtilt+0x230/0x230 [ 37.978313][ T83] kbd_connect+0xfe/0x160 [ 37.982633][ T83] input_attach_handler+0x194/0x200 [ 37.987809][ T83] input_register_device.cold+0xf5/0x246 [ 37.993430][ T83] aiptek_probe.cold+0x28f/0x30d [ 37.998346][ T83] ? store_tabletExecute+0x80/0x80 [ 38.004389][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 38.010085][ T83] ? __pm_runtime_resume+0x111/0x180 [ 38.015346][ T83] usb_probe_interface+0x305/0x7a0 [ 38.020434][ T83] ? usb_probe_device+0x100/0x100 [ 38.025447][ T83] really_probe+0x281/0x6d0 [ 38.029932][ T83] driver_probe_device+0x104/0x210 [ 38.035021][ T83] __device_attach_driver+0x1c2/0x220 [ 38.040381][ T83] ? driver_allows_async_probing+0x160/0x160 [ 38.046335][ T83] bus_for_each_drv+0x162/0x1e0 [ 38.051170][ T83] ? bus_rescan_devices+0x20/0x20 [ 38.056180][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.061961][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 38.067242][ T83] __device_attach+0x217/0x360 [ 38.071994][ T83] ? device_bind_driver+0xd0/0xd0 [ 38.076996][ T83] bus_probe_device+0x1e4/0x290 [ 38.082094][ T83] device_add+0x1480/0x1c20 [ 38.086574][ T83] ? wait_for_completion+0x3c0/0x3c0 [ 38.091833][ T83] ? device_links_flush_sync_list+0x350/0x350 [ 38.097885][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.103666][ T83] usb_set_configuration+0xe67/0x1740 [ 38.109020][ T83] generic_probe+0x9d/0xd5 [ 38.113414][ T83] usb_probe_device+0x99/0x100 [ 38.118154][ T83] ? usb_suspend+0x620/0x620 [ 38.122723][ T83] really_probe+0x281/0x6d0 [ 38.127203][ T83] driver_probe_device+0x104/0x210 [ 38.132300][ T83] __device_attach_driver+0x1c2/0x220 [ 38.137649][ T83] ? driver_allows_async_probing+0x160/0x160 [ 38.143605][ T83] bus_for_each_drv+0x162/0x1e0 [ 38.148432][ T83] ? bus_rescan_devices+0x20/0x20 [ 38.153462][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.159249][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 38.164512][ T83] __device_attach+0x217/0x360 [ 38.169252][ T83] ? device_bind_driver+0xd0/0xd0 [ 38.174251][ T83] bus_probe_device+0x1e4/0x290 [ 38.179080][ T83] device_add+0x1480/0x1c20 [ 38.183570][ T83] ? device_links_flush_sync_list+0x350/0x350 [ 38.189624][ T83] usb_new_device.cold+0x6a4/0xe79 [ 38.194811][ T83] hub_event+0x1e59/0x3860 [ 38.199207][ T83] ? hub_port_debounce+0x260/0x260 [ 38.204294][ T83] ? find_held_lock+0x2d/0x110 [ 38.209033][ T83] ? mark_held_locks+0xe0/0xe0 [ 38.214736][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 38.220263][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 38.225539][ T83] process_one_work+0x92b/0x1530 [ 38.230476][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 38.235830][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 38.240831][ T83] worker_thread+0x96/0xe20 [ 38.245318][ T83] ? process_one_work+0x1530/0x1530 [ 38.250519][ T83] kthread+0x318/0x420 [ 38.254579][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 38.259925][ T83] ret_from_fork+0x24/0x30 [ 38.265039][ T83] Kernel Offset: disabled [ 38.269387][ T83] Rebooting in 86400 seconds..