[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 16.304159] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.648489] random: sshd: uninitialized urandom read (32 bytes read, 42 bits of entropy available) [ 22.027607] random: sshd: uninitialized urandom read (32 bytes read, 42 bits of entropy available) [ 22.807990] random: sshd: uninitialized urandom read (32 bytes read, 99 bits of entropy available) [ 38.458036] random: sshd: uninitialized urandom read (32 bytes read, 107 bits of entropy available) Warning: Permanently added '10.128.15.227' (ECDSA) to the list of known hosts. [ 43.942181] random: sshd: uninitialized urandom read (32 bytes read, 111 bits of entropy available) 2017/12/27 16:27:44 parsed 1 programs 2017/12/27 16:27:44 executed programs: 0 [ 44.171548] IPVS: Creating netns size=2552 id=1 [ 44.195138] IPVS: Creating netns size=2552 id=2 [ 44.219162] IPVS: Creating netns size=2552 id=3 [ 44.253726] IPVS: Creating netns size=2552 id=4 [ 44.293684] IPVS: Creating netns size=2552 id=5 [ 44.332531] IPVS: Creating netns size=2552 id=6 [ 44.359380] IPVS: Creating netns size=2552 id=7 [ 44.388851] IPVS: Creating netns size=2552 id=8 [ 45.299357] ------------[ cut here ]------------ [ 45.304161] kernel BUG at mm/vmstat.c:1420! [ 45.308451] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 45.314236] Dumping ftrace buffer: [ 45.317741] (ftrace buffer empty) [ 45.321418] Modules linked in: [ 45.324690] CPU: 0 PID: 378 Comm: kworker/0:1 Not tainted 4.4.107-g610c835 #12 [ 45.332014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.341342] Workqueue: vmstat vmstat_update [ 45.345741] task: ffff8801d97a97c0 task.stack: ffff8801d9778000 [ 45.351762] RIP: 0010:[] [] vmstat_update+0x33/0xb0 [ 45.360070] RSP: 0018:ffff8801d977fc10 EFLAGS: 00010283 [ 45.365482] RAX: 0000000000000000 RBX: ffff8801db218f20 RCX: ffffffff81d63d8b [ 45.372721] RDX: 0000000000000000 RSI: ffffffff839fd520 RDI: ffff8801d97a9b60 [ 45.379967] RBP: ffff8801d977fc30 R08: 0000000000000000 R09: ffffffff850e1c50 [ 45.387204] R10: 0000000000000001 R11: 1ffff1003b2eff54 R12: 0000000000000000 [ 45.394448] R13: ffff8801d977fcc0 R14: ffff8801db21e600 R15: ffff8801da309600 [ 45.401687] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 45.409896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.415743] CR2: 00000000004636a0 CR3: 00000001cc9a3000 CR4: 00000000001406f0 [ 45.422984] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.430317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.437553] Stack: [ 45.439668] ffff8801d977fcc0 ffff8801db218f20 0000000000000000 ffff8801d977fcc0 [ 45.447633] ffff8801d977fd48 ffffffff8117d3f7 ffffffff8117d317 ffff8801da309648 [ 45.455588] ffff8801d9189b80 ffffffff00000000 ffff8801da309620 ffff8801da309610 [ 45.463542] Call Trace: [ 45.466099] [] process_one_work+0x7d7/0x16e0 [ 45.472124] [] ? process_one_work+0x6f7/0x16e0 [ 45.478323] [] ? pwq_dec_nr_in_flight+0x280/0x280 [ 45.484780] [] ? worker_thread+0x284/0xfe0 [ 45.490654] [] worker_thread+0xdf/0xfe0 [ 45.496244] [] ? __schedule+0xa99/0x1c70 [ 45.501920] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 45.508841] [] kthread+0x268/0x300 [ 45.513998] [] ? process_one_work+0x16e0/0x16e0 [ 45.520284] [] ? kthread_create_on_node+0x400/0x400 [ 45.526917] [] ? kthread_create_on_node+0x400/0x400 [ 45.533547] [] ret_from_fork+0x3f/0x70 [ 45.539070] [] ? kthread_create_on_node+0x400/0x400 [ 45.545704] 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 [ 45.572139] RIP [] vmstat_update+0x33/0xb0 [ 45.578110] RSP [ 45.583951] ---[ end trace 14866fe2f2335bc3 ]--- [ 45.590500] Kernel panic - not syncing: Fatal exception [ 45.596190] Dumping ftrace buffer: [ 45.599698] (ftrace buffer empty) [ 45.603378] Kernel Offset: disabled [ 45.606973] Rebooting in 86400 seconds..