[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[    4.622139] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   26.919652] random: sshd: uninitialized urandom read (32 bytes read)
[   27.105814] random: sshd: uninitialized urandom read (32 bytes read)
[   27.538939] random: sshd: uninitialized urandom read (32 bytes read)
[   32.265061] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts.
[   37.689903] random: sshd: uninitialized urandom read (32 bytes read)
[   37.752422] list_add corruption. prev->next should be next (ffff8802161e86e8), but was ffff88021fd208e0. (prev=ffff880211a20490).
[   37.764250] ------------[ cut here ]------------
[   37.768975] kernel BUG at lib/list_debug.c:28!
[   37.773531] invalid opcode: 0000 [#1] SMP PTI
[   37.778002] CPU: 1 PID: 4025 Comm: kworker/1:2 Not tainted 4.18.0-rc5+ #30
[   37.785083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   37.794420] RIP: 0010:__list_add_valid+0x63/0xa0
[   37.799143] Code: 89 c1 e8 d0 b9 6c ff