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 '10.128.0.18' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   33.740856][   T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   33.980872][   T12] usb 1-1: Using ep0 maxpacket: 8
[   34.100921][   T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[   34.111942][   T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[   34.125037][   T12] usb 1-1: New USB device found, idVendor=0e8f, idProduct=0012, bcdDevice= 0.00
[   34.134144][   T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   34.143624][   T12] usb 1-1: config 0 descriptor??
[   34.635076][   T12] greenasia 0003:0E8F:0012.0001: unknown main item tag 0x0
[   34.644876][   T12] greenasia 0003:0E8F:0012.0001: hidraw0: USB HID v0.00 Device [HID 0e8f:0012] on usb-dummy_hcd.0-1/input0
[   34.656585][   T12] ==================================================================
[   34.664780][   T12] BUG: KASAN: slab-out-of-bounds in ga_probe+0x1fd/0x6f0
[   34.671828][   T12] Write of size 8 at addr ffff8881d7c4c3c0 by task kworker/0:1/12
[   34.679637][   T12] 
[   34.681983][   T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc1+ #0
[   34.689320][   T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.699361][   T12] Workqueue: usb_hub_wq hub_event
[   34.704359][   T12] Call Trace:
[   34.707630][   T12]  dump_stack+0xca/0x13e
[   34.711850][   T12]  ? ga_probe+0x1fd/0x6f0
[   34.716152][   T12]  ? ga_probe+0x1fd/0x6f0
[   34.720459][   T12]  print_address_description.constprop.0+0x36/0x50
[   34.726943][   T12]  ? ga_probe+0x1fd/0x6f0
[   34.731248][   T12]  ? ga_probe+0x1fd/0x6f0
[   34.735553][   T12]  __kasan_report.cold+0x1a/0x33
[   34.740472][   T12]  ? ga_probe+0x1fd/0x6f0
[   34.744785][   T12]  kasan_report+0xe/0x20
[   34.749012][   T12]  check_memory_region+0x128/0x190
[   34.754108][   T12]  ga_probe+0x1fd/0x6f0
[   34.758248][   T12]  ? hid_hw_request.constprop.0+0xa0/0xa0
[   34.763952][   T12]  hid_device_probe+0x2be/0x3f0
[   34.768788][   T12]  ? hid_match_device+0x1f0/0x1f0
[   34.774136][   T12]  really_probe+0x281/0x6d0
[   34.778627][   T12]  driver_probe_device+0x104/0x210
[   34.783824][   T12]  _