[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[ 14.542527][ C1] random: crng init done [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.146' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.321804][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.412003][ T94] usb 1-1: Using ep0 maxpacket: 8 [ 26.531866][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 26.541623][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has an invalid bInterval 221, changing to 11 [ 26.552821][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has invalid maxpacket 1083, setting to 1024 [ 26.563913][ T94] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=1f.31 [ 26.573017][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.582587][ T94] usb 1-1: config 0 descriptor?? [ 26.601975][ T1790] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 26.623732][ T94] smsusb:smsusb_probe: board id=2, interface number 0 [ 26.662847][ T94] smsusb:siano_media_device_register: media controller created [ 26.671224][ T94] ------------[ cut here ]------------ [ 26.676863][ T94] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 26.682949][ T94] WARNING: CPU: 1 PID: 94 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 26.692377][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 26.698964][ T94] CPU: 1 PID: 94 Comm: kworker/1:2 Not tainted 5.6.0-rc3-syzkaller #0 [ 26.707088][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.717127][ T94] Workqueue: usb_hub_wq hub_event [ 26.722138][ T94] Call Trace: [ 26.725405][ T94] dump_stack+0xef/0x16e [ 26.729636][ T94] ? usb_submit_urb+0x1090/0x1460 [ 26.734634][ T94] panic+0x2aa/0x6e1 [ 26.738513][ T94] ? add_taint.cold+0x16/0x16 [ 26.743164][ T94] ? __probe_kernel_read+0x188/0x1d0 [ 26.748429][ T94] ? __warn.cold+0x14/0x30 [ 26.752816][ T94] ? __warn+0xd5/0x1c8 [ 26.756859][ T94] ? usb_submit_urb+0x1188/0x1460 [ 26.761857][ T94] __warn.cold+0x2f/0x30 [ 26.766334][ T94] ? usb_submit_urb+0x1188/0x1460 [ 26.771333][ T94] report_bug+0x27b/0x2f0 [ 26.775636][ T94] do_error_trap+0x12b/0x1e0 [ 26.780199][ T94] ? usb_submit_urb+0x1188/0x1460 [ 26.785211][ T94] do_invalid_op+0x32/0x40 [ 26.789602][ T94] ? usb_submit_urb+0x1188/0x1460 [ 26.794610][ T94] invalid_op+0x23/0x30 [ 26.798754][ T94] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 26.804361][ T94] Code: 4d 85 ed 74 46 e8 18 ce dd fd 4c 89 f7 e8 d0 5c 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e0 e7 3b 86 e8 a0 5f b2 fd <0f> 0b e9 20 f4 ff ff e8 ec cd dd fd 0f 1f 44 00 00 e8 e2 cd dd fd [ 26.823940][ T94] RSP: 0018:ffff8881d5cc6f78 EFLAGS: 00010282 [ 26.829979][ T94] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 26.837939][ T94] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103ab98de1 [ 26.845900][ T94] RBP: ffff8881ce249d50 R08: ffff8881d6ccc980 R09: ffffed103b666248 [ 26.853856][ T94] R10: ffffed103b666247 R11: ffff8881db33123f R12: 0000000000000003 [ 26.861853][ T94] R13: ffff8881d1014f60 R14: ffff8881c754c0a0 R15: ffff8881ce812030 [ 26.869811][ T94] ? vprintk_func+0x7d/0x113 [ 26.874387][ T94] ? usb_submit_urb+0x1188/0x1460 [ 26.879389][ T94] smsusb_submit_urb+0x26d/0x390 [ 26.884306][ T94] smsusb_start_streaming+0x1f/0x87 [ 26.889481][ T94] smsusb_init_device+0x97f/0xae6 [ 26.894482][ T94] ? smsusb1_setmode.cold+0x2d/0x2d [ 26.899659][ T94] ? smsusb_disconnect+0x20/0x20 [ 26.904573][ T94] ? usb_clear_halt+0xa4/0x1c0 [ 26.909312][ T94] smsusb_probe+0xd5f/0xdfd [ 26.913792][ T94] ? smsusb_init_device+0xae6/0xae6 [ 26.918964][ T94] ? __pm_runtime_set_status+0x5d5/0xa10 [ 26.924621][ T94] ? rpm_callback+0x230/0x230 [ 26.929274][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 26.934571][ T94] ? __pm_runtime_resume+0x111/0x180 [ 26.939834][ T94] usb_probe_interface+0x310/0x800 [ 26.944922][ T94] ? usb_probe_device+0x230/0x230 [ 26.949962][ T94] really_probe+0x290/0xac0 [ 26.954439][ T94] driver_probe_device+0x223/0x350 [ 26.959535][ T94] __device_attach_driver+0x1d1/0x290 [ 26.964894][ T94] ? driver_allows_async_probing+0x160/0x160 [ 26.970849][ T94] bus_for_each_drv+0x162/0x1e0 [ 26.975747][ T94] ? bus_rescan_devices+0x20/0x20 [ 26.980849][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.986646][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 26.991918][ T94] __device_attach+0x217/0x390 [ 26.996673][ T94] ? device_bind_driver+0xd0/0xd0 [ 27.001686][ T94] bus_probe_device+0x1e4/0x290 [ 27.006577][ T94] device_add+0x1459/0x1bf0 [ 27.011073][ T94] ? wait_for_completion+0x3c0/0x3c0 [ 27.016344][ T94] ? device_link_remove+0x110/0x110 [ 27.021538][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.027342][ T94] usb_set_configuration+0xe47/0x17d0 [ 27.032695][ T94] usb_generic_driver_probe+0x9d/0xe0 [ 27.038044][ T94] usb_probe_device+0xd9/0x230 [ 27.042789][ T94] ? usb_suspend+0x5f0/0x5f0 [ 27.047357][ T94] really_probe+0x290/0xac0 [ 27.051837][ T94] driver_probe_device+0x223/0x350 [ 27.056925][ T94] __device_attach_driver+0x1d1/0x290 [ 27.062271][ T94] ? driver_allows_async_probing+0x160/0x160 [ 27.068227][ T94] bus_for_each_drv+0x162/0x1e0 [ 27.073057][ T94] ? bus_rescan_devices+0x20/0x20 [ 27.078106][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.083889][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 27.089147][ T94] __device_attach+0x217/0x390 [ 27.093887][ T94] ? device_bind_driver+0xd0/0xd0 [ 27.098895][ T94] bus_probe_device+0x1e4/0x290 [ 27.103723][ T94] device_add+0x1459/0x1bf0 [ 27.108242][ T94] ? device_link_remove+0x110/0x110 [ 27.113417][ T94] usb_new_device.cold+0x540/0xcd0 [ 27.118504][ T94] hub_event+0x21cb/0x4300 [ 27.122898][ T94] ? hub_port_debounce+0x350/0x350 [ 27.127985][ T94] ? find_held_lock+0x2d/0x110 [ 27.132733][ T94] ? mark_held_locks+0xe0/0xe0 [ 27.137471][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.142992][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.148285][ T94] process_one_work+0x94b/0x1620 [ 27.153200][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.158547][ T94] ? do_raw_spin_lock+0x129/0x290 [ 27.163556][ T94] worker_thread+0x96/0xe20 [ 27.168049][ T94] ? process_one_work+0x1620/0x1620 [ 27.173239][ T94] kthread+0x318/0x420 [ 27.177285][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 27.182642][ T94] ret_from_fork+0x24/0x30 [ 27.187785][ T94] Kernel Offset: disabled [ 27.192163][ T94] Rebooting in 86400 seconds..