[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   19.840596] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   23.939628] random: sshd: uninitialized urandom read (32 bytes read)
[   24.313294] random: sshd: uninitialized urandom read (32 bytes read)
[   25.187715] random: sshd: uninitialized urandom read (32 bytes read)
[   25.349215] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts.
[   30.773150] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   30.866158] ==================================================================
[   30.873681] BUG: KASAN: slab-out-of-bounds in pdu_read+0x90/0xd0
[   30.879839] Read of size 26995 at addr ffff8801b450846d by task syz-executor239/4437
[   30.887703] 
[   30.889332] CPU: 0 PID: 4437 Comm: syz-executor239 Not tainted 4.18.0-rc6+ #165
[   30.896782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   30.906127] Call Trace:
[   30.908711]  dump_stack+0x1c9/0x2b4
[   30.912327]  ? dump_stack_print_info.cold.2+0