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 '10.128.0.56' (ECDSA) to the list of known hosts.
syzkaller login: [   31.319152] 
[   31.320823] ================================================
[   31.326594] WARNING: lock held when returning to user space!
[   31.332375] 4.16.0+ #1 Not tainted
[   31.335889] ------------------------------------------------
[   31.341672] syzkaller236247/4494 is leaving the kernel with locks still held!
[   31.348928] 1 lock held by syzkaller236247/4494:
[   31.353655]  #0: 000000002725cd35 (&lo->lo_ctl_mutex/1){+.+.}, at: lo_ioctl+0x8d/0x1ec0