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 '10.128.0.63' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.393945][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.633896][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 24.754030][ T83] usb 1-1: config 0 has an invalid interface number: 134 but max is 0 [ 24.762338][ T83] usb 1-1: config 0 has no interface number 0 [ 24.768600][ T83] usb 1-1: config 0 interface 134 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 6 [ 24.778518][ T83] usb 1-1: New USB device found, idVendor=08ca, idProduct=0023, bcdDevice=ed.e1 [ 24.787560][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.796659][ T83] usb 1-1: config 0 descriptor?? executing program [ 25.083977][ T83] usb 1-1: string descriptor 0 read error: -71 [ 25.103968][ T83] aiptek 1-1:0.134: Aiptek using 400 ms programming speed [ 25.112186][ T83] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.134/input/input5 [ 25.121804][ T83] ------------[ cut here ]------------ [ 25.127429][ T83] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 25.133407][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 25.142835][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 25.149401][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc5+ #0 [ 25.156745][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.166785][ T83] Workqueue: usb_hub_wq hub_event [ 25.171793][ T83] Call Trace: [ 25.175070][ T83] dump_stack+0xca/0x13e [ 25.179304][ T83] ? usb_submit_urb+0x1110/0x13b0 [ 25.184317][ T83] panic+0x2aa/0x6e1 [ 25.188200][ T83] ? add_taint.cold+0x16/0x16 [ 25.192858][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 25.198121][ T83] ? __warn.cold+0x14/0x33 [ 25.202513][ T83] ? __warn+0xd5/0x1d0 [ 25.206575][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 25.211574][ T83] __warn.cold+0x2f/0x33 [ 25.215803][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 25.220802][ T83] report_bug+0x27b/0x2f0 [ 25.225112][ T83] do_error_trap+0x12b/0x1e0 [ 25.229679][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 25.234680][ T83] do_invalid_op+0x32/0x40 [ 25.239099][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 25.244105][ T83] invalid_op+0x23/0x30 [ 25.248245][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 25.253853][ T83] Code: 4d 85 ed 74 2c e8 e8 31 ef fd 4c 89 f7 e8 40 40 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 76 14 86 e8 1d ce c4 fd <0f> 0b e9 20 f4 ff ff e8 bc 31 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 25.273432][ T83] RSP: 0018:ffff8881d89f7088 EFLAGS: 00010282 [ 25.279475][ T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 25.287447][ T83] RDX: 0000000000000000 RSI: ffffffff8128c8ed RDI: ffffed103b13ee03 [ 25.295408][ T83] RBP: ffff8881d1a4e880 R08: ffff8881d885b000 R09: ffffed103b663ee7 [ 25.303358][ T83] R10: ffffed103b663ee6 R11: ffff8881db31f737 R12: 0000000000000001 [ 25.311310][ T83] R13: ffff8881d18072b8 R14: ffff8881cff320a0 R15: ffff8881d5956400 [ 25.319459][ T83] ? vprintk_func+0x7d/0x113 [ 25.324034][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 25.329034][ T83] aiptek_open+0xd5/0x130 [ 25.333340][ T83] input_open_device+0x16c/0x2c0 [ 25.338252][ T83] ? store_tabletXtilt+0x230/0x230 [ 25.343341][ T83] kbd_connect+0xfe/0x160 [ 25.347663][ T83] input_attach_handler+0x194/0x200 [ 25.352836][ T83] input_register_device.cold+0xf5/0x246 [ 25.358457][ T83] aiptek_probe.cold+0x28f/0x30d [ 25.363370][ T83] ? store_tabletExecute+0x80/0x80 [ 25.368468][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 25.373727][ T83] ? __pm_runtime_resume+0x111/0x180 [ 25.378985][ T83] usb_probe_interface+0x305/0x7a0 [ 25.384071][ T83] ? usb_probe_device+0x100/0x100 [ 25.389094][ T83] really_probe+0x281/0x6d0 [ 25.393576][ T83] driver_probe_device+0x104/0x210 [ 25.398775][ T83] __device_attach_driver+0x1c2/0x220 [ 25.404130][ T83] ? driver_allows_async_probing+0x160/0x160 [ 25.410092][ T83] bus_for_each_drv+0x162/0x1e0 [ 25.414929][ T83] ? bus_rescan_devices+0x20/0x20 [ 25.419941][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.425725][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 25.430985][ T83] __device_attach+0x217/0x360 [ 25.435732][ T83] ? device_bind_driver+0xd0/0xd0 [ 25.440766][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 25.446028][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 25.451289][ T83] bus_probe_device+0x1e4/0x290 [ 25.456123][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 25.461992][ T83] device_add+0xae6/0x16f0 [ 25.466396][ T83] ? uevent_store+0x50/0x50 [ 25.470889][ T83] usb_set_configuration+0xdf6/0x1670 [ 25.476236][ T83] generic_probe+0x9d/0xd5 [ 25.480629][ T83] usb_probe_device+0x99/0x100 [ 25.485368][ T83] ? usb_suspend+0x620/0x620 [ 25.489930][ T83] really_probe+0x281/0x6d0 [ 25.494412][ T83] driver_probe_device+0x104/0x210 [ 25.499497][ T83] __device_attach_driver+0x1c2/0x220 [ 25.504844][ T83] ? driver_allows_async_probing+0x160/0x160 [ 25.510803][ T83] bus_for_each_drv+0x162/0x1e0 [ 25.515633][ T83] ? bus_rescan_devices+0x20/0x20 [ 25.520641][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.526437][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 25.531720][ T83] __device_attach+0x217/0x360 [ 25.536457][ T83] ? device_bind_driver+0xd0/0xd0 [ 25.541456][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 25.546716][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 25.551989][ T83] bus_probe_device+0x1e4/0x290 [ 25.556816][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 25.562681][ T83] device_add+0xae6/0x16f0 [ 25.567074][ T83] ? uevent_store+0x50/0x50 [ 25.571648][ T83] usb_new_device.cold+0x6a4/0xe79 [ 25.576734][ T83] hub_event+0x1df8/0x3800 [ 25.581125][ T83] ? hub_port_debounce+0x260/0x260 [ 25.586211][ T83] ? find_held_lock+0x2d/0x110 [ 25.590948][ T83] ? mark_held_locks+0xe0/0xe0 [ 25.595859][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.601378][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.606638][ T83] process_one_work+0x92b/0x1530 [ 25.611553][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.616919][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 25.621930][ T83] worker_thread+0x96/0xe20 [ 25.626425][ T83] ? process_one_work+0x1530/0x1530 [ 25.631620][ T83] kthread+0x318/0x420 [ 25.635662][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 25.641016][ T83] ret_from_fork+0x24/0x30 [ 25.646267][ T83] Kernel Offset: disabled [ 25.650619][ T83] Rebooting in 86400 seconds..