[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[    5.812687] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   24.996937] random: sshd: uninitialized urandom read (32 bytes read)
[   25.189487] random: sshd: uninitialized urandom read (32 bytes read)
[   25.596375] random: sshd: uninitialized urandom read (32 bytes read)
[   37.341478] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.40' (ECDSA) to the list of known hosts.
executing program
[   42.674694] random: sshd: uninitialized urandom read (32 bytes read)
[   42.735102] WARNING: CPU: 1 PID: 4023 at ./include/net/sock.h:644 smc_unhash_sk+0xa6/0xb0
[   42.743444] Kernel panic - not syncing: panic_on_warn set ...
[   42.743444] 
[   42.750782] CPU: 1 PID: 4023 Comm: syz-executor477 Not tainted 4.18.0-rc5+ #30
[   42.758115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   42.767447] Call Trace:
[   42.770011]  dump_stack+0xae/0xf0
[   42.773441]  panic+0x121/0x390
[   42.776606]  ? printk+0x5a/0x70
[   42.779863]  ? smc_unhash_sk+0xa6/0xb0
[   42.783726]  __w