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 '10.128.0.90' (ECDSA) to the list of known hosts. syzkaller login: [ 28.038440][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.278389][ T17] usb 1-1: Using ep0 maxpacket: 8 [ 28.398492][ T17] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has wMaxPacketSize 0, skipping [ 28.408450][ T17] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 11 [ 28.498912][ T17] usb 1-1: New USB device found, idVendor=2040, idProduct=200a, bcdDevice=8a.69 [ 28.507962][ T17] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=2 [ 28.516037][ T17] usb 1-1: SerialNumber: syz [ 28.521842][ T17] usb 1-1: config 0 descriptor?? [ 28.538637][ T1717] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 28.560021][ T17] smsusb:smsusb_probe: board id=9, interface number 0 [ 28.599514][ T17] smsusb:siano_media_device_register: media controller created [ 28.608093][ T17] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 28.616413][ T17] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 28.623584][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.623655][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.623670][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.623685][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.623699][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.623713][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.623727][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.623741][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.623756][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.623770][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 28.695863][ T17] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 28.703605][ T17] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 28.711533][ T17] ------------[ cut here ]------------ [ 28.716986][ T17] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 28.727293][ T17] WARNING: CPU: 1 PID: 17 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 [ 28.736603][ T17] Kernel panic - not syncing: panic_on_warn set ... [ 28.743267][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.5.0-rc1-syzkaller #0 [ 28.751390][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/20