[....] 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[    5.095910] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   20.587599] random: sshd: uninitialized urandom read (32 bytes read)
[   20.929167] random: sshd: uninitialized urandom read (32 bytes read)
[   21.333276] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.15.196' (ECDSA) to the list of known hosts.
[   26.811965] urandom_read: 1 callbacks suppressed
[   26.811967] random: sshd: uninitialized urandom read (32 bytes read)
[   26.890848] ------------[ cut here ]------------
[   26.890849] precision 1048186 too large
[   26.890850] WARNING: CPU: 0 PID: 4013 at lib/vsprintf.c:2164 vsnprintf+0x95b/0x9e0
[   26.890851] Kernel panic - not syncing: panic_on_warn set ...
[   26.890852] 
[   26.890853] CPU: 0 PID: 4013 Comm: syz-executor580 Not tainted 4.18.0-rc5+ #30
[   26.890854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   26.890854] Call Trace:
[   26.890855]  dump_stack+0xae/0xf0
[   26.890855]  ? vsnprintf+0x95b/0x9e0
[