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-kasan-gce-6,10.128.0.34' (ECDSA) to the list of known hosts.
executing program
executing program
syzkaller login: [   40.908622] kasan: CONFIG_KASAN_INLINE enabled
[   40.909427] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   40.910586] general protection fault: 0000 [#1] SMP KASAN
[   40.911329] Dumping ftrace buffer:
[   40.911808]    (ftrace buffer empty)
[   40.912305] Modules linked in:
[   40.912740] CPU: 1 PID: 3108 Comm: syzkaller488087 Not tainted 4.15.0-rc2+ #208
[   40.913713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.914933] task: 00000000a0d94d0c task.stack: 000000002c64272c
[   40.915740] RIP: 0010:blkcipher_walk_done+0x300/0xde0
[   40.916426] RSP: 0018:ffff8801cb9b7720 EFLAGS: 00010202
[   40.917136] RAX: 0000000000000000 RBX: 000000000000000f RCX: 0000000000000001
[   40.918099] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000008
[   40.919049] RBP: ffff8801cb9b7770 R08: ffffed0037be6ff6 R09: 0000000000000000
[   40.920041] R10: 0000000000000001 R11: ffffed0037be6ff5 R12: ffff8801cb9b78e8
[   40.921007] R13: ffff8801cb9b77d0 R14: ffff8801cb9b7818 R15: ffff8801cb9b77f8
[   40.921978] FS:  00007f9aaea3e700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
[   40.923108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.924073] CR2: 00007f9aae23ce78 CR3: 00000001cbe89000 CR4: 00000000001406e0
[   40.925062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.926015] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.926967] Call Trace:
[   40.927342]  skcipher_null_crypt+0x1da/0x2d0
[   40.927935]  ? null_compress+0x80/0x80
[   40.928484]  ? iov_iter_copy_from_user_atomic+0xe30/0xe30
[   40.932075]  ? null_compress+0x80/0x80
[   40.935929]  skcipher_encrypt_blkcipher+0x213/0x310
[   40.940915]  ? skcipher_encrypt_blkcipher+0x213/0x310
[   40.946072]  ? skcipher_setkey_blkcipher+0x170/0x170
[   40.951144]  ? af_alg_alloc_areq+0x1f2/0x2f0
executing program
[   40.955522]  aead_recvmsg+0x7ed/0x1bc0
[   40.959378]  ? aead_recvmsg+0x670/0x1bc0
[   40.963413]  ? aead_release+0x50/0x50
[   40.967183]  ? selinux_socket_recvmsg+0x36/0x40
[   40.971819]  ? security_socket_recvmsg+0x91/0xc0
[   40.976541]  ? aead_release+0x50/0x50
[   40.980307]  sock_recvmsg+0xc9/0x110
[   40.983987]  ? __sock_recv_wifi_status+0x210/0x210
[   40.988883]  ___sys_recvmsg+0x29b/0x630
[   40.992826]  ? ___sys_sendmsg+0x8a0/0x8a0
[   40.996950]  ? fget_raw+0x20/0x20
[   41.000370]  ? __handle_mm_fault+0x3e20/0x3e20
[   41.004916]  ? vmacache_find+0x5f/0x280
[   41.008857]  ? vmacache_update+0xfe/0x130
[   41.012977]  ? up_read+0x1a/0x40
[   41.016311]  ? __do_page_fault+0x3d6/0xc90
[   41.020511]  ? lock_downgrade+0x980/0x980
[   41.024629]  ? __fdget+0x18/0x20
[   41.028054]  __sys_recvmsg+0xe2/0x210
[   41.031822]  ? __sys_recvmsg+0xe2/0x210
[   41.035763]  ? SyS_sendmmsg+0x60/0x60
[   41.039532]  ? __do_page_fault+0xc90/0xc90
[   41.043732]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   41.048716]  ? lockdep_sys_exit+0x47/0xf0
[   41.052832]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   41.057817]  SyS_recvmsg+0x2d/0x50
[   41.061326]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   41.066048] RIP: 0033:0x445689
[   41.069204] RSP: 002b:00007f9aaea3ddc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[   41.076875] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445689
[   41.084110] RDX: 0000000000000000 RSI: 0000000020539fc8 RDI: 0000000000000005
[   41.091345] RBP: 0000000000000000 R08: 00007f9aaea3e700 R09: 00007f9aaea3e700
[   41.098582] R10: 00007f9aaea3e700 R11: 0000000000000202 R12: 0000000000000000
[   41.105819] R13: 00007ffc725453cf R14: 00007f9aaea3e9c0 R15: 0000000000000000
[   41.113060] 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 
[   41.132132] RIP: blkcipher_walk_done+0x300/0xde0 RSP: ffff8801cb9b7720
[   41.138855] ---[ end trace 9220f75745f211c7 ]---
[   41.143987] Kernel panic - not syncing: Fatal exception
[   41.149682] Dumping ftrace buffer:
[   41.153212]    (ftrace buffer empty)
[   41.156897] Kernel Offset: disabled
[   41.160494] Rebooting in 86400 seconds..