[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   19.430468] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.
[   19.793982] random: sshd: uninitialized urandom read (32 bytes read)
[   20.077836] random: sshd: uninitialized urandom read (32 bytes read)

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   20.928481] random: sshd: uninitialized urandom read (32 bytes read)
[   95.393897] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts.
[  100.959488] random: sshd: uninitialized urandom read (32 bytes read)
[  101.127752] ==================================================================
[  101.135227] BUG: KASAN: use-after-free in do_general_protection+0x2ac/0x2f0
[  101.142311] Read of size 8 at addr ffff8801ac11f358 by task syz-executor216/4585
[  101.149818] 
[  101.151444] CPU: 1 PID: 4585 Comm: syz-executor216 Not tainted 4.18.0-rc2+ #116
[  101.158866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  101.168206] Call Trace:
[  101.170765] 
[  101.172369] The buggy address belongs to the page:
[  101.177275] page:ffffea0006b047c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
[  101.185392] flags: 0x2fffc0000000000()
[  101.189260] raw: 02fffc0000000000 0000000000000000 ffffffff06b00101 0000000000000000
[  101.197119] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[  101.204981] page dumped because: kasan: bad access detected
[  101.210663] 
[  101.213103] Memory state around the buggy address:
[  101.218013]  ffff8801ac11f200: 00 00 00 00 00 00 ff ff ff ff ff ff ff ff ff ff
[  101.225362]  ffff8801ac11f280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  101.232697] >ffff8801ac11f300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  101.240028]                                                     ^
[  101.246236]  ffff8801ac11f380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  101.253571]  ffff8801ac11f400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  101.260903] ==================================================================
[  101.268236] Disabling lock debugging due to kernel taint
[  101.273658] Kernel panic - not syncing: panic_on_warn set ...
[  101.273658] 
[  101.280998] CPU: 1 PID: 4585 Comm: syz-executor216 Tainted: G    B             4.18.0-rc2+ #116
[  101.289807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  101.299134] Call Trace:
[  101.302143] Dumping ftrace buffer:
[  101.305663]    (ftrace buffer empty)
[  101.309351] Kernel Offset: disabled
[  101.312954] Rebooting in 86400 seconds..