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 '10.128.0.42' (ECDSA) to the list of known hosts.
syzkaller login: [   35.862835] BUG: unable to handle kernel paging request at 0000000041b5e1f3
[   35.870000] PGD 1d08c3067 P4D 1d08c3067 PUD 0 
[   35.874578] Oops: 0000 [#1] SMP KASAN
[   35.878366] Dumping ftrace buffer:
[   35.881885]    (ftrace buffer empty)
[   35.885583] Modules linked in:
[   35.888761] CPU: 1 PID: 4490 Comm: syzkaller772673 Not tainted 4.16.0+ #3
[   35.895661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.905236] RIP: 0010:vmx_vcpu_run+0xa3d/0x25f0
[   35.909885] RSP: 0018:ffff8801d8ea7380 EFLAGS: 00010046
[   35.915235] ==================================================================
[   35.922593] BUG: KASAN: stack-out-of-bounds in __show_regs.cold.7+0x4e/0x54a
[   35.929758] Read of size 8 at addr ffff8801d8ea7300 by task syzkaller772673/4490
[   35.937267] 
[   35.938877] CPU: 1 PID: 4490 Comm: syzkaller772673 Not tainted 4.16.0+ #3
[   35.945779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.955117] Call Trace:
[   35.957677] 
[   35.959280] The buggy address belongs to the page:
[   35.964187] page:ffffea000763a9c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
[   35.972306] flags: 0x2fffc0000000000()
[   35.976176] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff
[   35.984124] raw: 0000000000000000 ffffea0007630101 0000000000000000 0000000000000000
[   35.991981] page dumped because: kasan: bad access detected
[   35.997664] 
[   35.999266] Memory state around the buggy address:
[   36.004173]  ffff8801d8ea7200: f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2
[   36.011508]  ffff8801d8ea7280: f3 f3 f3 f3 f2 f2 f8 f2 f2 f2 f2 f2 f2 f2 00 00
[   36.018930] >ffff8801d8ea7300: f2 f2 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00
[   36.026263]                    ^
[   36.029605]  ffff8801d8ea7380: f1 f1 f1 f1 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2
[   36.036943]  ffff8801d8ea7400: f2 f2 f2 f2 00 f2 f2 f2 f3 f3 f3 f3 00 00 00 00
[   36.044276] ==================================================================
[   36.051610] Kernel panic - not syncing: panic_on_warn set ...
[   36.051610] 
[   36.059328] Dumping ftrace buffer:
[   36.062856]    (ftrace buffer empty)
[   36.066545] Kernel Offset: disabled
[   36.070152] Rebooting in 86400 seconds..