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-7,10.128.0.54' (ECDSA) to the list of known hosts.
2017/11/24 18:08:50 parsed 1 programs
2017/11/24 18:08:50 executed programs: 0
syzkaller login: [   41.312125] kasan: CONFIG_KASAN_INLINE enabled
[   41.312876] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   41.314028] general protection fault: 0000 [#1] SMP KASAN
[   41.314761] Dumping ftrace buffer:
[   41.315276]    (ftrace buffer empty)
[   41.315771] Modules linked in:
[   41.316203] CPU: 0 PID: 3121 Comm: syz-executor2 Not tainted 4.14.0+ #128
[   41.317109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.318327] task: ffff8801cc424340 task.stack: ffff8801cc948000
[   41.319128] RIP: 0010:scatterwalk_copychunks+0x337/0x480
[   41.319846] RSP: 0018:ffff8801cc94f5c8 EFLAGS: 00010202
[   41.320556] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff824fc3b9
[   41.321507] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000008
[   41.322458] RBP: ffff8801cc94f628 R08: ffff8801cc94f7c0 R09: 0000000000000000
[   41.323407] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   41.324357] R13: ffff8801cc94f7c0 R14: dffffc0000000000 R15: 0000000000000000
[   41.325308] FS:  00007fe47371b700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
[   41.326381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.327164] CR2: 0000000000960008 CR3: 00000001c0474000 CR4: 00000000001406f0
[   41.328118] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   41.329086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   41.330038] Call Trace:
[   41.330396]  blkcipher_walk_next+0xca0/0x13d0
[   41.330998]  ? lock_sock_nested+0x91/0x110
[   41.331563]  ? trace_hardirqs_on+0xd/0x10
[   41.332116]  ? __local_bh_enable_ip+0x121/0x230
[   41.335869]  blkcipher_walk_first+0x261/0x570
[   41.340331]  ? null_compress+0x80/0x80
[   41.344190]  blkcipher_walk_virt+0x219/0x2a0
[   41.348564]  skcipher_null_crypt+0x10e/0x2d0
[   41.352940]  ? null_compress+0x80/0x80
[   41.356792]  ? iov_iter_copy_from_user_atomic+0xe30/0xe30
[   41.362296]  ? __kmalloc+0x471/0x760
[   41.365981]  ? null_compress+0x80/0x80
[   41.369846]  skcipher_encrypt_blkcipher+0x213/0x310
[   41.374825]  ? skcipher_encrypt_blkcipher+0x213/0x310
[   41.379978]  ? skcipher_setkey_blkcipher+0x170/0x170
[   41.385066]  ? af_alg_alloc_areq+0x1f2/0x2f0
[   41.389443]  aead_recvmsg+0xc96/0x1970
[   41.393296]  ? aead_recvmsg+0xb38/0x1970
[   41.397322]  ? release_sock+0x1d4/0x2a0
[   41.401267]  ? aead_sendpage_nokey+0xa0/0xa0
[   41.405640]  ? aead_check_key.isra.6+0x61/0x200
[   41.410272]  aead_recvmsg_nokey+0x60/0x80
[   41.414385]  ? aead_recvmsg+0x1970/0x1970
[   41.418495]  sock_recvmsg+0xc9/0x110
[   41.422175]  ? __sock_recv_wifi_status+0x210/0x210
[   41.427070]  ___sys_recvmsg+0x29b/0x630
[   41.431013]  ? ___sys_sendmsg+0x8a0/0x8a0
[   41.435134]  ? vm_mmap_pgoff+0x198/0x280
[   41.439164]  ? userfaultfd_unmap_complete+0x327/0x510
[   41.444332]  ? fget_raw+0x20/0x20
[   41.447751]  ? do_mmap+0x362/0xe10
[   41.451262]  ? up_write+0x6b/0x120
[   41.454772]  ? up_read+0x40/0x40
[   41.458104]  ? down_read_killable+0x180/0x180
[   41.462566]  ? security_mmap_file+0x143/0x180
[   41.467031]  ? __fdget+0x18/0x20
[   41.470369]  __sys_recvmsg+0xe2/0x210
[   41.474134]  ? __sys_recvmsg+0xe2/0x210
[   41.478076]  ? SyS_sendmmsg+0x60/0x60
[   41.481840]  ? retint_kernel+0x10/0x10
[   41.485692]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   41.490674]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   41.495401]  SyS_recvmsg+0x2d/0x50
[   41.498908]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   41.503626] RIP: 0033:0x452879
[   41.506780] RSP: 002b:00007fe47371abe8 EFLAGS: 00000212 ORIG_RAX: 000000000000002f
[   41.514449] RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452879
[   41.521683] RDX: 0000000000002000 RSI: 0000000020222fc8 RDI: 0000000000000003
[   41.528919] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
[   41.536152] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
[   41.543386] R13: 00007ffde97da04f R14: 00007fe47371b9c0 R15: 0000000000000002
[   41.550629] Code: 89 ff e8 6d 6f 2a 00 4c 89 ea 49 89 c7 48 c1 ea 03 42 80 3c 32 00 0f 85 c9 00 00 00 49 8d 7f 08 4d 89 7d 00 48 89 fa 48 c1 ea 03 <42> 0f b6 14 32 84 d2 74 09 80 fa 03 0f 8e 9e 00 00 00 48 8b 45 
[   41.570179] RIP: scatterwalk_copychunks+0x337/0x480 RSP: ffff8801cc94f5c8
[   41.577113] ---[ end trace c8b2d2fd6657f9e3 ]---
[   41.582047] Kernel panic - not syncing: Fatal exception
[   41.587751] Dumping ftrace buffer:
[   41.591265]    (ftrace buffer empty)
[   41.594941] Kernel Offset: disabled
[   41.598537] Rebooting in 86400 seconds..