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-mmots-kasan-gce-2,10.128.15.222' (ECDSA) to the list of known hosts.
net.ipv6.conf.syz0.accept_dad = 0
net.ipv6.conf.syz0.router_solicitations = 0
executing program
syzkaller login: [   40.467396] TCP: request_sock_TCP: Possible SYN flooding on port 20000. Sending cookies.  Check SNMP counters.
executing program
[   40.574768] ------------[ cut here ]------------
[   40.579639] kernel BUG at net/key/af_key.c:2068!
[   40.584404] invalid opcode: 0000 [#1] SMP KASAN
[   40.589045] Dumping ftrace buffer:
[   40.592551]    (ftrace buffer empty)
[   40.596229] Modules linked in:
[   40.599392] CPU: 1 PID: 3030 Comm: syzkaller537313 Not tainted 4.13.0-mm1+ #7
[   40.606629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.615949] task: ffff8801cd402300 task.stack: ffff8801cd7d0000
[   40.621974] RIP: 0010:pfkey_xfrm_policy2msg+0x209c/0x22b0
[   40.627471] RSP: 0018:ffff8801cd7d74b0 EFLAGS: 00010297
[   40.632800] RAX: ffff8801cd402300 RBX: ffff8801cddc98cc RCX: 0000000000000000
[   40.640035] RDX: 0000000000000000 RSI: 000000000000204e RDI: ffff8801cddc976c
[   40.647270] RBP: ffff8801cd7d7588 R08: 0000000000000001 R09: ffff8801cddc9b00
[   40.654509] R10: 000000000000001b R11: ffffed0039bb937a R12: ffff8801cddc9788
[   40.661746] R13: ffff8801cddc9680 R14: 0000000000000008 R15: 0000000000000001
[   40.668983] FS:  00007fc7345ae700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   40.677176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.683024] CR2: 0000000020002ff0 CR3: 00000001ce402000 CR4: 00000000001406e0
[   40.690262] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.697502] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.704740] Call Trace:
[   40.707303]  ? pfkey_sockaddr_fill+0x340/0x340
[   40.711853]  ? pfkey_xfrm_policy2msg_size+0x1d3/0x230
[   40.717013]  dump_sp+0x14f/0x510
[   40.720352]  ? find_held_lock+0x39/0x1d0
[   40.724378]  ? pfkey_flush+0x3c0/0x3c0
[   40.728232]  ? xfrm_policy_walk+0x192/0xa30
[   40.732522]  xfrm_policy_walk+0x2f1/0xa30
[   40.736641]  ? pfkey_flush+0x3c0/0x3c0
[   40.740494]  ? xfrm_audit_policy_delete+0x1f0/0x1f0
[   40.745474]  ? pfkey_broadcast+0x230/0x780
[   40.749675]  ? __kfree_skb+0x20/0x20
[   40.753360]  ? lock_release+0xd70/0xd70
[   40.757299]  ? __lock_is_held+0xbc/0x140
[   40.761328]  ? __mutex_unlock_slowpath+0xe9/0xac0
[   40.766138]  ? wait_for_completion+0x770/0x770
[   40.770688]  ? pfkey_acquire+0x220/0x220
[   40.774715]  ? pfkey_broadcast_one+0x6f0/0x6f0
[   40.779264]  pfkey_dump_sp+0x42/0x50
[   40.782943]  pfkey_do_dump+0xaa/0x3f0
[   40.786710]  ? xfrm_policy_walk_init+0x69/0x1c0
[   40.791347]  ? dump_sa+0x5e0/0x5e0
[   40.794857]  pfkey_spddump+0x1a0/0x210
[   40.798710]  ? pfkey_recvmsg+0x710/0x710
[   40.802736]  pfkey_process+0x60b/0x720
[   40.806604]  ? pfkey_send_new_mapping+0x11b0/0x11b0
[   40.811586]  ? kasan_check_write+0x14/0x20
[   40.815802]  pfkey_sendmsg+0x4d6/0x9f0
[   40.819656]  ? pfkey_spdget+0xb00/0xb00
[   40.823606]  ? selinux_socket_sendmsg+0x36/0x40
[   40.828242]  ? security_socket_sendmsg+0x89/0xb0
[   40.832971]  ? pfkey_spdget+0xb00/0xb00
[   40.836913]  sock_sendmsg+0xca/0x110
[   40.840605]  sock_write_iter+0x320/0x5e0
[   40.844642]  ? sock_sendmsg+0x110/0x110
[   40.848608]  ? iov_iter_init+0xaf/0x1d0
[   40.852558]  __vfs_write+0x68a/0x970
[   40.856244]  ? kernel_read+0x120/0x120
[   40.860097]  ? selinux_capset+0x100/0x100
[   40.864220]  ? selinux_file_permission+0x82/0x460
[   40.869032]  ? rw_verify_area+0xe5/0x2b0
[   40.873057]  ? __fdget_raw+0x20/0x20
[   40.876737]  vfs_write+0x18f/0x510
[   40.880250]  SyS_write+0xef/0x220
[   40.883670]  ? lockdep_sys_exit+0x47/0xf0
[   40.887784]  ? SyS_read+0x220/0x220
[   40.891375]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   40.896364]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   40.901088]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   40.905808] RIP: 0033:0x44aca9
[   40.908963] RSP: 002b:00007fc7345add98 EFLAGS: 00000297 ORIG_RAX: 0000000000000001
[   40.916636] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044aca9
[   40.923871] RDX: 0000000000000010 RSI: 0000000020002ff0 RDI: 0000000000000008
[   40.931105] RBP: 0000000000000082 R08: 00007fc7345ae700 R09: 0000000000000000
[   40.938340] R10: 00007fc7345ae700 R11: 0000000000000297 R12: 0000000000000000
[   40.945575] R13: 00007ffd3a0622ff R14: 00007fc7345ae9c0 R15: 0000000000000000
[   40.952820] Code: ff ff 48 89 95 58 ff ff ff 89 8d 70 ff ff ff e8 9b b1 5f fd 48 8b 95 58 ff ff ff 8b 8d 70 ff ff ff e9 04 e3 ff ff e8 24 ed 2a fd <0f> 0b be 02 00 00 00 4c 89 f7 e8 b5 b2 5f fd e9 6f e3 ff ff 48 
[   40.971886] RIP: pfkey_xfrm_policy2msg+0x209c/0x22b0 RSP: ffff8801cd7d74b0
[   40.978913] ---[ end trace 528e3fd9ebcc5d05 ]---
[   40.983652] Kernel panic - not syncing: Fatal exception in interrupt
[   40.990134] Dumping ftrace buffer:
[   40.993643]    (ftrace buffer empty)
[   40.997322] Kernel Offset: disabled
[   41.000917] Rebooting in 86400 seconds..