[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   20.569595] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   23.650975] random: sshd: uninitialized urandom read (32 bytes read)
[   24.074153] random: sshd: uninitialized urandom read (32 bytes read)
[   24.946188] random: sshd: uninitialized urandom read (32 bytes read)
[   43.384776] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.13' (ECDSA) to the list of known hosts.
[   48.939857] random: sshd: uninitialized urandom read (32 bytes read)
[   49.051588] IPVS: ftp: loaded support on port[0] = 21
[   49.052751] IPVS: ftp: loaded support on port[0] = 21
[   49.062538] IPVS: ftp: loaded support on port[0] = 21
[   49.063958] IPVS: ftp: loaded support on port[0] = 21
[   49.068754] IPVS: ftp: loaded support on port[0] = 21
[   49.076668] IPVS: ftp: loaded support on port[0] = 21
[   49.080255] IPVS: ftp: loaded support on port[0] = 21
[   49.086381] IPVS: ftp: loaded support on port[0] = 21
[   49.619408] kasan: CONFIG_KASAN_INLINE enabled
[   49.624188] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   49.631595] general protection fault: 0000 [#1] SMP KASAN
[   49.637152] CPU: 0 PID: 4654 Comm: syz-executor960 Not tainted 4.18.0-rc5+ #150
[   49.644597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.653973] RIP: 0010:vmx_vcpu_run+0x1328/0x2600
[   49.658821] Code: 91 00 00 00 e8 19 c4 5c 00 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 8c 10 00 00 48 8b 04 24 <48> 8b 98 40 57 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 40 48 
[   49.677989] RSP: 0018:ffff8801a9107370 EFLAGS: 00010046
[   49.683644] ==================================================================
[   49.691032] BUG: KASAN: stack-out-of-bounds in __show_regs.cold.7+0x2b/0x54a
[   49.698217] Read of size 8 at addr ffff8801a9107320 by task syz-executor960/4654
[   49.705748] 
[   49.707381] CPU: 0 PID: 4654 Comm: syz-executor960 Not tainted 4.18.0-rc5+ #150
[   49.714855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.724215] Call Trace:
[   49.726815] 
[   49.728429] The buggy address belongs to the page:
[   49.733358] page:ffffea0006a441c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
[   49.741536] flags: 0x2fffc0000000000()
[   49.745632] raw: 02fffc0000000000 0000000000000000 ffffffff06a40101 0000000000000000
[   49.753720] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   49.761623] page dumped because: kasan: bad access detected
[   49.767594] 
[   49.769210] Memory state around the buggy address:
[   49.774144]  ffff8801a9107200: 00 00 00 00 00 00 f2 f2 f2 f2 00 f2 f2 f2 f2 f2
[   49.781512]  ffff8801a9107280: f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2
[   49.788880] >ffff8801a9107300: f2 f2 f8 f2 f2 f2 00 00 00 00 00 00 00 00 00 00
[   49.796278]                                ^
[   49.800865]  ffff8801a9107380: 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2 f2 f2 f2 f2
[   49.808225]  ffff8801a9107400: 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 00 00 00 00
[   49.815584] ==================================================================
[   49.822974] Kernel panic - not syncing: panic_on_warn set ...
[   49.822974] 
[   49.830941] Dumping ftrace buffer:
[   49.834524]    (ftrace buffer empty)
[   49.838225] Kernel Offset: disabled
[   49.841878] Rebooting in 86400 seconds..