[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   16.281032] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   20.677210] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available)
[   20.931068] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
[   21.697592] random: sshd: uninitialized urandom read (32 bytes read, 95 bits of entropy available)
[   58.242789] random: sshd: uninitialized urandom read (32 bytes read, 116 bits of entropy available)
Warning: Permanently added '10.128.15.232' (ECDSA) to the list of known hosts.
[   63.611434] random: sshd: uninitialized urandom read (32 bytes read, 120 bits of entropy available)
2017/12/28 07:41:23 parsed 1 programs
2017/12/28 07:41:23 executed programs: 0
[   63.834793] IPVS: Creating netns size=2552 id=1
[   63.860539] IPVS: Creating netns size=2552 id=2
[   63.886106] IPVS: Creating netns size=2552 id=3
[   63.922664] IPVS: Creating netns size=2552 id=4
[   63.955502] IPVS: Creating netns size=2552 id=5
[   63.983257] IPVS: Creating netns size=2552 id=6
[   64.011536] IPVS: Creating netns size=2552 id=7
[   64.039404] IPVS: Creating netns size=2552 id=8
[   66.377892] ------------[ cut here ]------------
[   66.382660] kernel BUG at mm/vmstat.c:1420!
[   66.386950] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   66.392750] Dumping ftrace buffer:
[   66.396261]    (ftrace buffer empty)
[   66.399950] Modules linked in:
[   66.403232] CPU: 0 PID: 381 Comm: kworker/0:1 Not tainted 4.4.107-g610c835 #4
[   66.410472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   66.419808] Workqueue: vmstat vmstat_update
[   66.424213] task: ffff8800bb3897c0 task.stack: ffff8801d91b0000
[   66.430240] RIP: 0010:[<ffffffff8146fac3>]  [<ffffffff8146fac3>] vmstat_update+0x33/0xb0
[   66.438564] RSP: 0018:ffff8801d91b7c10  EFLAGS: 00010283
[   66.443981] RAX: 0000000000000000 RBX: ffff8801db218f20 RCX: ffffffff81d63d8b
[   66.451222] RDX: 0000000000000000 RSI: ffffffff839fd520 RDI: ffff8800bb389b60
[   66.458462] RBP: ffff8801d91b7c30 R08: 0000000000000000 R09: ffffffff850e1c50
[   66.465704] R10: 0000000000000001 R11: 1ffff1003b236f54 R12: 0000000000000000
[   66.472942] R13: ffff8801d91b7cc0 R14: ffff8801db21e600 R15: ffff8801da308600
[   66.480184] FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   66.488383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.494230] CR2: 0000000008452798 CR3: 00000000b6ad0000 CR4: 00000000001406f0
[   66.501479] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   66.508892] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   66.516136] Stack:
[   66.518251]  ffff8801d91b7cc0 ffff8801db218f20 0000000000000000 ffff8801d91b7cc0
[   66.526212]  ffff8801d91b7d48 ffffffff8117d3f7 ffffffff8117d317 ffff8801da308648
[   66.534164]  ffff8801d93d6780 ffffffff00000000 ffff8801da308620 ffff8801da308610
[   66.542131] Call Trace:
[   66.544704]  [<ffffffff8117d3f7>] process_one_work+0x7d7/0x16e0
[   66.544714]  [<ffffffff8117d317>] ? process_one_work+0x6f7/0x16e0
[   66.544719]  [<ffffffff8117cc20>] ? pwq_dec_nr_in_flight+0x280/0x280
[   66.544724]  [<ffffffff8117e584>] ? worker_thread+0x284/0xfe0
[   66.544730]  [<ffffffff8117e3df>] worker_thread+0xdf/0xfe0
[   66.544741]  [<ffffffff83764929>] ? __schedule+0xa99/0x1c70
[   66.544748]  [<ffffffff8377333a>] ? _raw_spin_unlock_irqrestore+0x5a/0x70
[   66.544755]  [<ffffffff8118dea8>] kthread+0x268/0x300
[   66.544761]  [<ffffffff8117e300>] ? process_one_work+0x16e0/0x16e0
[   66.544767]  [<ffffffff8118dc40>] ? kthread_create_on_node+0x400/0x400
[   66.544775]  [<ffffffff8118dc40>] ? kthread_create_on_node+0x400/0x400
[   66.544781]  [<ffffffff837740ef>] ret_from_fork+0x3f/0x70
[   66.544787]  [<ffffffff8118dc40>] ? kthread_create_on_node+0x400/0x400
[   66.544875] Code: 53 48 83 ec 08 e8 5e fd ff ff 85 c0 75 1f e8 a5 44 8f 00 89 c0 f0 48 0f ab 05 0a 37 2b 04 72 0b 48 83 c4 08 5b 41 5c 41 5d 5d c3 <0f> 0b 48 63 3d f4 67 37 03 48 c7 c3 20 8f 01 00 e8 58 b8 e2 ff 
[   66.544882] RIP  [<ffffffff8146fac3>] vmstat_update+0x33/0xb0
[   66.544884]  RSP <ffff8801d91b7c10>
[   66.559766] ---[ end trace f461d006ad1905c2 ]---
[   66.559772] Kernel panic - not syncing: Fatal exception
[   66.560150] Dumping ftrace buffer:
[   66.560153]    (ftrace buffer empty)
[   66.560155] Kernel Offset: disabled
[   66.682837] Rebooting in 86400 seconds..