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-net-kasan-gce-1,10.128.0.16' (ECDSA) to the list of known hosts.
2017/09/07 04:10:08 parsed 1 programs
2017/09/07 04:10:08 executed programs: 0
syzkaller login: [   45.519308] dev_remove_pack: ffff8801c5f53140 not found
2017/09/07 04:10:13 executed programs: 684
[   47.717234] dev_remove_pack: ffff8801c2046b40 not found
[   49.495395] dev_remove_pack: ffff8801d4daabc0 not found
[   50.039843] ------------[ cut here ]------------
[   50.044756] kernel BUG at net/packet/af_packet.c:1521!
[   50.050060] invalid opcode: 0000 [#1] SMP KASAN
[   50.054704] Dumping ftrace buffer:
[   50.058209]    (ftrace buffer empty)
[   50.061888] Modules linked in:
[   50.065053] CPU: 1 PID: 6421 Comm: syz-executor0 Not tainted 4.13.0+ #42
[   50.071859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.081186] task: ffff8801d3a323c0 task.stack: ffff8801d7890000
[   50.087215] RIP: 0010:__unregister_prot_hook+0x139/0x280
[   50.092628] RSP: 0018:ffff8801d7897700 EFLAGS: 00010297
[   50.097961] RAX: ffff8801d3a323c0 RBX: 0000000000000007 RCX: 0000000000000000
[   50.105197] RDX: 0000000000000000 RSI: ffffffff84d09f01 RDI: ffff8801ceb021d8
[   50.112437] RBP: ffff8801d7897740 R08: ffff8801d7897050 R09: ffff8801d7897048
[   50.119674] R10: ffff8801d7896fc0 R11: 1ffff1003a74670b R12: ffff8801ceb02180
[   50.126912] R13: ffff8801d561f280 R14: 0000000000000007 R15: dffffc0000000000
[   50.134150] FS:  00007f9f844a2700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   50.142340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.148187] CR2: 00000000204fbfe4 CR3: 00000001ccc09000 CR4: 00000000001406e0
[   50.155433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   50.162671] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   50.169908] Call Trace:
[   50.172483]  packet_set_ring+0xe7c/0x1b70
[   50.176614]  ? packet_poll+0x5c0/0x5c0
[   50.180470]  ? retint_kernel+0x10/0x10
[   50.184326]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   50.189309]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   50.194035]  ? retint_kernel+0x10/0x10
[   50.197896]  ? copy_user_generic_unrolled+0x86/0xc0
[   50.202884]  ? _copy_from_user+0x99/0x110
[   50.207001]  packet_setsockopt+0x6cd/0x1e80
[   50.211301]  ? fanout_add+0x1190/0x1190
[   50.215241]  ? lock_downgrade+0x990/0x990
[   50.219368]  ? __fget+0xbb/0x580
[   50.222705]  ? selinux_inode_alloc_security+0x28d/0x390
[   50.228034]  ? do_raw_spin_trylock+0x190/0x190
[   50.232601]  ? lock_release+0xd70/0xd70
[   50.236546]  ? __lock_is_held+0xbc/0x140
[   50.240584]  ? __fget+0x362/0x580
[   50.244012]  ? iterate_fd+0x3f0/0x3f0
[   50.247794]  ? evict_inodes+0x590/0x590
[   50.251740]  ? __fdget+0x18/0x20
[   50.255170]  ? sockfd_lookup_light+0x104/0x150
[   50.259725]  ? sock_has_perm+0x29c/0x400
[   50.263753]  ? __fget_light+0x29d/0x390
[   50.267698]  ? selinux_tun_dev_create+0xc0/0xc0
[   50.272344]  ? selinux_netlbl_socket_setsockopt+0x10c/0x460
[   50.278023]  ? selinux_netlbl_sock_rcv_skb+0x730/0x730
[   50.283275]  ? __sock_create+0x106/0x850
[   50.287310]  ? selinux_socket_setsockopt+0x64/0x80
[   50.292221]  SyS_setsockopt+0x189/0x360
[   50.296163]  ? SyS_setsockopt+0x189/0x360
[   50.300280]  ? SyS_recv+0x40/0x40
[   50.303707]  ? entry_SYSCALL_64_fastpath+0x5/0xbe
[   50.308518]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   50.313503]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   50.318231]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   50.323131] RIP: 0033:0x451e59
[   50.326288] RSP: 002b:00007f9f844a1c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036
[   50.333963] RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 0000000000451e59
[   50.341212] RDX: 000000000000000d RSI: 0000000000000107 RDI: 0000000000000009
[   50.348455] RBP: 0000000000000082 R08: 000000000000001c R09: 0000000000000000
[   50.355696] R10: 00000000204fbfe4 R11: 0000000000000216 R12: 00000000004bc0f0
[   50.362933] R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000
[   50.370180] 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 21 e7 2f fd 44 39 f3 75 cd e8 17 e7 2f fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 06 e7 2f fd 49 8d 7c dc 
[   50.389279] RIP: __unregister_prot_hook+0x139/0x280 RSP: ffff8801d7897700
[   50.396215] ---[ end trace d515bba93e91fc42 ]---
[   50.400953] Kernel panic - not syncing: Fatal exception
[   50.406808] Dumping ftrace buffer:
[   50.410331]    (ftrace buffer empty)
[   50.414020] Kernel Offset: disabled
[   50.417620] Rebooting in 86400 seconds..