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-5,10.128.0.13' (ECDSA) to the list of known hosts.
executing program
executing program
syzkaller login: [   26.561655] kasan: CONFIG_KASAN_INLINE enabled
[   26.562440] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   26.563610] general protection fault: 0000 [#1] SMP KASAN
[   26.564365] Dumping ftrace buffer:
[   26.564848]    (ftrace buffer empty)
[   26.565369] Modules linked in:
[   26.565822] CPU: 0 PID: 3110 Comm: syzkaller101121 Not tainted 4.15.0-rc1+ #136
[   26.566825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   26.568166] task: 0000000029df5dae task.stack: 000000000d469924
[   26.568985] RIP: 0010:blkcipher_walk_done+0x300/0xde0
[   26.569697] RSP: 0018:ffff8801cb97f720 EFLAGS: 00010202
[   26.570433] RAX: 0000000000000000 RBX: 000000000000000f RCX: 0000000000000001
[   26.571404] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000008
[   26.572402] RBP: ffff8801cb97f770 R08: ffffed0037be6ff6 R09: 0000000000000000
[   26.573366] R10: 0000000000000001 R11: ffffed0037be6ff5 R12: ffff8801cb97f8e8
[   26.574360] R13: ffff8801cb97f7d0 R14: ffff8801cb97f818 R15: ffff8801cb97f7f8
[   26.575329] FS:  00007fb677540700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
[   26.576402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.577304] CR2: 00007fb676d3ee78 CR3: 00000001cbe7a000 CR4: 00000000001406f0
[   26.578332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.579358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.580309] Call Trace:
[   26.580676]  skcipher_null_crypt+0x1da/0x2d0
[   26.581282]  ? null_compress+0x80/0x80
[   26.581806]  ? iov_iter_copy_from_user_atomic+0xe30/0xe30
[   26.587330]  ? null_compress+0x80/0x80
[   26.591192]  skcipher_encrypt_blkcipher+0x213/0x310
[   26.596175]  ? skcipher_encrypt_blkcipher+0x213/0x310
[   26.601346]  ? skcipher_setkey_blkcipher+0x170/0x170
[   26.606421]  ? af_alg_alloc_areq+0x1f2/0x2f0
executing program
[   26.610802]  aead_recvmsg+0x7ed/0x1bc0
[   26.614663]  ? aead_recvmsg+0x670/0x1bc0
[   26.618701]  ? aead_release+0x50/0x50
[   26.622469]  ? selinux_socket_recvmsg+0x36/0x40
[   26.627106]  ? security_socket_recvmsg+0x91/0xc0
[   26.631828]  ? aead_release+0x50/0x50
[   26.635694]  sock_recvmsg+0xc9/0x110
[   26.639383]  ? __sock_recv_wifi_status+0x210/0x210
[   26.644278]  ___sys_recvmsg+0x29b/0x630
[   26.648223]  ? ___sys_sendmsg+0x8a0/0x8a0
[   26.652347]  ? fget_raw+0x20/0x20
[   26.655772]  ? __handle_mm_fault+0x3ad0/0x3ad0
[   26.660318]  ? vmacache_find+0x5f/0x280
[   26.664255]  ? vmacache_update+0xfe/0x130
[   26.668372]  ? up_read+0x1a/0x40
[   26.672007]  ? __do_page_fault+0x3d6/0xc90
[   26.676221]  ? lock_downgrade+0x980/0x980
[   26.680340]  ? __fdget+0x18/0x20
[   26.683679]  __sys_recvmsg+0xe2/0x210
[   26.687445]  ? __sys_recvmsg+0xe2/0x210
[   26.691386]  ? SyS_sendmmsg+0x60/0x60
[   26.695152]  ? __do_page_fault+0xc90/0xc90
[   26.699350]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   26.704342]  ? lockdep_sys_exit+0x47/0xf0
[   26.708461]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   26.713444]  SyS_recvmsg+0x2d/0x50
[   26.716953]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   26.721672] RIP: 0033:0x445689
[   26.724827] RSP: 002b:00007fb67753fdc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[   26.732500] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445689
[   26.739735] RDX: 0000000000000000 RSI: 0000000020539fc8 RDI: 0000000000000005
[   26.746972] RBP: 0000000000000000 R08: 00007fb677540700 R09: 00007fb677540700
[   26.754207] R10: 00007fb677540700 R11: 0000000000000202 R12: 0000000000000000
[   26.761442] R13: 00007ffc4d4a015f R14: 00007fb6775409c0 R15: 0000000000000000
[   26.768685] 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 
[   26.787763] RIP: blkcipher_walk_done+0x300/0xde0 RSP: ffff8801cb97f720
[   26.794473] ---[ end trace 01d3e9cd1446433a ]---
[   26.799488] Kernel panic - not syncing: Fatal exception
[   26.805239] Dumping ftrace buffer:
[   26.808756]    (ftrace buffer empty)
[   26.812433] Kernel Offset: disabled
[   26.816025] Rebooting in 86400 seconds..