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-1,10.128.0.48' (ECDSA) to the list of known hosts.
executing program
executing program
syzkaller login: [   40.401774] kasan: CONFIG_KASAN_INLINE enabled
[   40.402625] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   40.403911] general protection fault: 0000 [#1] SMP KASAN
[   40.404679] Dumping ftrace buffer:
[   40.405152]    (ftrace buffer empty)
[   40.405648] Modules linked in:
[   40.406143] CPU: 0 PID: 3112 Comm: syzkaller106120 Not tainted 4.15.0-rc2-next-20171206+ #60
[   40.410505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.411793] RIP: 0010:blkcipher_walk_done+0x300/0xde0
[   40.412477] RSP: 0018:ffff8801cb827720 EFLAGS: 00010202
[   40.413199] RAX: 0000000000000000 RBX: 000000000000000f RCX: 0000000000000001
[   40.414150] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000008
[   40.415102] RBP: ffff8801cb827770 R08: ffffed0037b26ff6 R09: 0000000000000000
[   40.416112] R10: 0000000000000001 R11: ffffed0037b26ff5 R12: ffff8801cb8278e8
[   40.417063] R13: ffff8801cb8277d0 R14: ffff8801cb827818 R15: ffff8801cb8277f8
[   40.418033] FS:  00007f042df82700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
[   40.419106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.419912] CR2: 00007f042d780e78 CR3: 00000001cb8ac000 CR4: 00000000001406f0
[   40.420865] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.421816] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.422767] Call Trace:
[   40.425323]  skcipher_null_crypt+0x1da/0x2d0
[   40.429709]  ? null_compress+0x80/0x80
[   40.433572]  ? aead_recvmsg+0x670/0x1bc0
[   40.437616]  ? null_compress+0x80/0x80
[   40.441468]  skcipher_encrypt_blkcipher+0x213/0x310
[   40.446449]  ? skcipher_encrypt_blkcipher+0x213/0x310
executing program
[   40.451603]  ? skcipher_setkey_blkcipher+0x170/0x170
[   40.456672]  ? af_alg_alloc_areq+0x1f2/0x2f0
[   40.461048]  aead_recvmsg+0x7ed/0x1bc0
[   40.464904]  ? aead_recvmsg+0x670/0x1bc0
[   40.468937]  ? aead_release+0x50/0x50
[   40.472703]  ? selinux_socket_recvmsg+0x36/0x40
[   40.477352]  ? security_socket_recvmsg+0x91/0xc0
[   40.482074]  ? aead_release+0x50/0x50
[   40.485842]  sock_recvmsg+0xc9/0x110
[   40.489532]  ? __sock_recv_wifi_status+0x210/0x210
[   40.494430]  ___sys_recvmsg+0x29b/0x630
[   40.498382]  ? ___sys_sendmsg+0x8a0/0x8a0
[   40.502504]  ? fget_raw+0x20/0x20
[   40.505925]  ? __handle_mm_fault+0x3dd0/0x3dd0
[   40.510472]  ? vmacache_find+0x5f/0x280
[   40.514410]  ? vmacache_update+0xfe/0x130
[   40.518526]  ? up_read+0x1a/0x40
[   40.521862]  ? __do_page_fault+0x3d6/0xc90
[   40.526062]  ? lock_downgrade+0x980/0x980
[   40.530177]  ? __fdget+0x18/0x20
[   40.533509]  __sys_recvmsg+0xe2/0x210
[   40.537273]  ? __sys_recvmsg+0xe2/0x210
[   40.541216]  ? SyS_sendmmsg+0x60/0x60
[   40.544982]  ? __do_page_fault+0xc90/0xc90
[   40.549180]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   40.554161]  ? lockdep_sys_exit+0x47/0xf0
[   40.558279]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   40.563260]  SyS_recvmsg+0x2d/0x50
[   40.566766]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   40.571486] RIP: 0033:0x445689
[   40.574640] RSP: 002b:00007f042df81dc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[   40.582314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445689
[   40.589546] RDX: 0000000000000000 RSI: 0000000020539fc8 RDI: 0000000000000005
[   40.596780] RBP: 0000000000000000 R08: 00007f042df82700 R09: 00007f042df82700
[   40.604014] R10: 00007f042df82700 R11: 0000000000000202 R12: 0000000000000000
[   40.611248] R13: 00007fff4fb7df6f R14: 00007f042df829c0 R15: 0000000000000000
[   40.618488] Code: 00 fc ff df 48 c1 e9 03 80 3c 11 00 0f 85 7a 09 00 00 48 8d 78 08 48 ba 00 00 00 00 00 fc ff df 49 89 45 20 48 89 f9 48 c1 e9 03 <0f> b6 14 11 84 d2 74 09 80 fa 03 0f 8e 3e 09 00 00 4c 89 f9 8b 
[   40.637549] RIP: blkcipher_walk_done+0x300/0xde0 RSP: ffff8801cb827720
[   40.644282] ---[ end trace 3b85e353a091323f ]---
[   40.649352] Kernel panic - not syncing: Fatal exception
[   40.655043] Dumping ftrace buffer:
[   40.658557]    (ftrace buffer empty)
[   40.662234] Kernel Offset: disabled
[   40.665830] Rebooting in 86400 seconds..