INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added 'ci-upstream-next-kasan-gce-0,10.128.0.32' (ECDSA) to the list of known hosts.
2017/09/04 20:51:09 parsed 1 programs
2017/09/04 20:51:09 executed programs: 0
syzkaller login: [   34.247249] dev_remove_pack: ffff8801c9b31d00 not found
[   34.269723] ------------[ cut here ]------------
[   34.274586] kernel BUG at net/packet/af_packet.c:1521!
[   34.279935] invalid opcode: 0000 [#1] SMP KASAN
[   34.284579] Dumping ftrace buffer:
[   34.288091]    (ftrace buffer empty)
[   34.291774] Modules linked in:
[   34.294958] CPU: 0 PID: 4278 Comm: syz-executor0 Not tainted 4.13.0-next-20170904+ #14
[   34.302986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.312315] task: ffff8801c9980100 task.stack: ffff8801c9aa8000
[   34.318355] RIP: 0010:__unregister_prot_hook+0x139/0x280
[   34.323775] RSP: 0018:ffff8801c9aaf700 EFLAGS: 00010297
[   34.329114] RAX: ffff8801c9980100 RBX: 0000000000000007 RCX: 0000000000000000
[   34.336356] RDX: 0000000000000000 RSI: ffffffff84d40ec1 RDI: ffff8801ce036ed8
[   34.343613] RBP: ffff8801c9aaf740 R08: ffff8801c9aaf050 R09: ffff8801c9aaf048
[   34.350857] R10: ffff8801c9aaefc0 R11: 1ffff100393302b3 R12: ffff8801ce036e80
[   34.358101] R13: ffff8801c9b30440 R14: 0000000000000007 R15: dffffc0000000000
[   34.365347] FS:  00007f8e29ad3700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   34.373544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.379395] CR2: 0000000020001000 CR3: 00000001ca5ff000 CR4: 00000000001406f0
[   34.386640] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   34.393883] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   34.401124] Call Trace:
[   34.403701]  packet_set_ring+0xe7c/0x1b70
[   34.407834]  ? packet_poll+0x5c0/0x5c0
[   34.411731]  ? __might_fault+0xe0/0x1d0
[   34.415690]  ? lock_release+0xd70/0xd70
[   34.419640]  ? check_same_owner+0x320/0x320
[   34.423936]  ? __check_object_size+0x25d/0x4f0
[   34.428497]  ? __might_sleep+0x95/0x190
[   34.432460]  ? kasan_check_write+0x14/0x20
[   34.436671]  ? _copy_from_user+0x99/0x110
[   34.440796]  packet_setsockopt+0x6cd/0x1e80
[   34.445100]  ? fanout_add+0x1190/0x1190
[   34.449053]  ? lock_downgrade+0x990/0x990
[   34.453185]  ? __fget+0xbb/0x580
[   34.456534]  ? lock_release+0xd70/0xd70
[   34.460485]  ? __lock_is_held+0xbc/0x140
[   34.464532]  ? __fget+0x362/0x580
[   34.467966]  ? iterate_fd+0x3f0/0x3f0
[   34.471753]  ? find_held_lock+0x39/0x1d0
[   34.475800]  ? sock_has_perm+0x29c/0x400
[   34.479833]  ? __fget_light+0x29d/0x390
[   34.483785]  ? selinux_tun_dev_create+0xc0/0xc0
[   34.488446]  ? selinux_netlbl_socket_setsockopt+0x10c/0x460
[   34.494147]  ? selinux_netlbl_sock_rcv_skb+0x730/0x730
[   34.499406]  ? do_raw_spin_trylock+0x190/0x190
[   34.503966]  ? lock_release+0xd70/0xd70
[   34.507924]  ? selinux_socket_setsockopt+0x64/0x80
[   34.512841]  SyS_setsockopt+0x189/0x360
[   34.516790]  ? SyS_setsockopt+0x189/0x360
[   34.520915]  ? SyS_recv+0x40/0x40
[   34.524348]  ? entry_SYSCALL_64_fastpath+0x5/0xbe
[   34.529197]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   34.534194]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   34.538932]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   34.543660] RIP: 0033:0x451e59
[   34.546839] RSP: 002b:00007f8e29ad2c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036
[   34.554522] RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 0000000000451e59
[   34.561781] RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000004
[   34.569809] RBP: 0000000000000082 R08: 000000000000047e R09: 0000000000000000
[   34.577053] R10: 0000000020001000 R11: 0000000000000216 R12: 0000000000000000
[   34.584298] R13: 00007ffe858e95ef R14: 00007f8e29ad39c0 R15: 0000000000000002
[   34.591559] Code: 48 89 fa 48 c1 ea 03 42 80 3c 3a 00 0f 85 4e 01 00 00 4d 3b 6c c4 28 74 16 83 c3 01 e8 f1 17 2d fd 44 39 f3 75 cd e8 e7 17 2d fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 d6 17 2d fd 49 8d 7c dc 
[   34.610723] RIP: __unregister_prot_hook+0x139/0x280 RSP: ffff8801c9aaf700
[   34.617747] ---[ end trace 5225738553c929c0 ]---
[   34.622501] Kernel panic - not syncing: Fatal exception
[   34.628220] Dumping ftrace buffer:
[   34.631741]    (ftrace buffer empty)
[   34.635417] Kernel Offset: disabled
[   34.639020] Rebooting in 86400 seconds..