[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.903613] 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: [ 21.758572] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 22.248918] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 23.094187] random: sshd: uninitialized urandom read (32 bytes read, 102 bits of entropy available) [ 23.268864] random: sshd: uninitialized urandom read (32 bytes read, 107 bits of entropy available) Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. [ 28.762573] random: sshd: uninitialized urandom read (32 bytes read, 111 bits of entropy available) 2018/01/21 12:47:28 parsed 1 programs 2018/01/21 12:47:28 executed programs: 0 [ 29.101571] IPVS: Creating netns size=2552 id=1 [ 29.138930] IPVS: Creating netns size=2552 id=2 [ 29.176701] IPVS: Creating netns size=2552 id=3 [ 29.213167] IPVS: Creating netns size=2552 id=4 [ 29.250647] IPVS: Creating netns size=2552 id=5 [ 29.291020] IPVS: Creating netns size=2552 id=6 [ 29.326036] IPVS: Creating netns size=2552 id=7 [ 29.363391] IPVS: Creating netns size=2552 id=8 [ 32.232216] ------------[ cut here ]------------ [ 32.236994] kernel BUG at mm/vmstat.c:1423! [ 32.241294] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 32.247156] Dumping ftrace buffer: [ 32.250676] (ftrace buffer empty) [ 32.254362] Modules linked in: [ 32.257640] CPU: 0 PID: 205 Comm: kworker/0:1 Not tainted 4.4.112-g3fc4284 #32 [ 32.264967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.274297] Workqueue: vmstat vmstat_update [ 32.278701] task: ffff8800bb862f80 task.stack: ffff8800bb9c8000 [ 32.284722] RIP: 0010:[] [] vmstat_update+0x33/0xb0 [ 32.293040] RSP: 0018:ffff8800bb9cfc10 EFLAGS: 00010283 [ 32.298454] RAX: 0000000000000000 RBX: ffff8801db21b720 RCX: ffffffff81d652eb [ 32.305693] RDX: 0000000000000000 RSI: ffffffff839fdb20 RDI: ffff8800bb863320 [ 32.312935] RBP: ffff8800bb9cfc30 R08: 0000000000000000 R09: ffffffff851260e0 [ 32.320178] R10: 0000000000000001 R11: 1ffff10017739f54 R12: 0000000000000000 [ 32.327683] R13: ffff8800bb9cfcc0 R14: ffff8801db21eb40 R15: ffff8801d9813600 [ 32.334922] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 32.343115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.348966] CR2: 00000000205fafd2 CR3: 00000000b099e000 CR4: 0000000000160670 [ 32.356206] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.363447] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.370686] Stack: [ 32.372802] ffff8800bb9cfcc0 ffff8801db21b720 0000000000000000 ffff8800bb9cfcc0 [ 32.380768] ffff8800bb9cfd48 ffffffff8117fea7 ffffffff8117fdc7 ffff8801d9813648 [ 32.388737] ffff8801d8fd8a00 ffffffff00000000 ffff8801d9813620 ffff8801d9813610 [ 32.396706] Call Trace: [ 32.399264] [] process_one_work+0x7d7/0x16e0 [ 32.405288] [] ? process_one_work+0x6f7/0x16e0 [ 32.411494] [] ? pwq_dec_nr_in_flight+0x280/0x280 [ 32.417965] [] ? worker_thread+0x284/0xfe0 [ 32.423824] [] worker_thread+0xdf/0xfe0 [ 32.429419] [] ? __schedule+0xa9d/0x1c70 [ 32.435096] [] ? preempt_schedule+0x24/0x30 [ 32.441036] [] ? ___preempt_schedule+0x12/0x14 [ 32.447243] [] kthread+0x268/0x300 [ 32.452400] [] ? process_one_work+0x16e0/0x16e0 [ 32.458690] [] ? kthread_create_on_node+0x400/0x400 [ 32.465327] [] ? kthread_create_on_node+0x400/0x400 [ 32.471961] [] ret_from_fork+0x3f/0x70 [ 32.477480] [] ? kthread_create_on_node+0x400/0x400 [ 32.484108] Code: 53 48 83 ec 08 e8 5e fd ff ff 85 c0 75 1f e8 65 33 8f 00 89 c0 f0 48 0f ab 05 6a c0 2b 04 72 0b 48 83 c4 08 5b 41 5c 41 5d 5d c3 <0f> 0b 48 63 3d 94 a1 37 03 48 c7 c3 20 b7 01 00 e8 58 b3 e2 ff [ 32.510670] RIP [] vmstat_update+0x33/0xb0 [ 32.516639] RSP [ 32.521079] ---[ end trace a3d042935e2d83aa ]--- [ 32.526992] Kernel panic - not syncing: Fatal exception [ 32.533012] Dumping ftrace buffer: [ 32.536524] (ftrace buffer empty) [ 32.540200] Kernel Offset: disabled [ 32.543792] Rebooting in 86400 seconds..