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 '10.128.0.56' (ECDSA) to the list of known hosts.
2018/04/12 23:37:22 parsed 1 programs
2018/04/12 23:37:22 executed programs: 0
syzkaller login: [   31.325509] Not allocated shadow for addr ffff8801d1800000 (page ffffea000ae90000)
[   31.333242] Attempted to access 4096 bytes
[   31.337469] ------------[ cut here ]------------
[   31.342208] kernel BUG at mm/kmsan/kmsan.c:1326!
[   31.346945] invalid opcode: 0000 [#1] SMP PTI
[   31.351415] Dumping ftrace buffer:
[   31.354929]    (ftrace buffer empty)
[   31.358615] Modules linked in:
[   31.361788] CPU: 0 PID: 3590 Comm: syz-executor0 Not tainted 4.16.0+ #83
[   31.368599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.377949] RIP: 0010:kmsan_get_shadow_address+0x1ce/0x1f0
[   31.383553] RSP: 0018:ffff8801b6f5f880 EFLAGS: 00010086
[   31.388894] RAX: 000000000000001e RBX: 0000000000000740 RCX: 0000000000000000
[   31.396140] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
[   31.403389] RBP: ffff8801b6f5f898 R08: 0000000000000000 R09: 0000000000000001
[   31.410635] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d1800000
[   31.417890] R13: 0000000000008000 R14: 0000000000000001 R15: 0000000000001000
[   31.425141] FS:  00007f3adcc8f700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
[   31.433344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.439212] CR2: 00000000024f7fd0 CR3: 00000001b92a0000 CR4: 00000000001406f0
[   31.446465] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.453719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.460966] Call Trace:
[   31.463539]  kmsan_internal_unpoison_shadow+0x5c/0xe0
[   31.468712]  kmsan_unpoison_shadow+0x66/0xb0
[   31.473108]  get_user_pages_fast+0x47b/0x760
[   31.477500]  iov_iter_get_pages+0x465/0x1810
[   31.481899]  af_alg_make_sg+0xdf/0x6d0
[   31.485765]  ? hash_sendmsg+0x584/0x1110
[   31.489804]  hash_sendmsg+0x305/0x1110
[   31.493673]  ? hash_accept+0x880/0x880
[   31.497536]  SYSC_sendto+0x6c3/0x7e0
[   31.501240]  ? __msan_metadata_ptr_for_store_4+0x13/0x20
[   31.506674]  ? prepare_exit_to_usermode+0x149/0x3a0
[   31.511675]  SyS_sendto+0x8a/0xb0
[   31.515108]  do_syscall_64+0x309/0x430
[   31.518974]  ? SYSC_getpeername+0x560/0x560
[   31.523285]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   31.528451] RIP: 0033:0x455279
[   31.531615] RSP: 002b:00007f3adcc8ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   31.539300] RAX: ffffffffffffffda RBX: 00007f3adcc8f6d4 RCX: 0000000000455279
[   31.546547] RDX: fffffffffffffeee RSI: 00000000205c8f58 RDI: 0000000000000007
[   31.553792] RBP: 000000000072bea0 R08: 0000000020351ff0 R09: 0000000000000010
[   31.561044] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[   31.568301] R13: 00000000000004f5 R14: 00000000006fa798 R15: 0000000000000000
[   31.575549] Code: 75 29 48 c7 c7 71 2a a1 87 31 c0 e8 0d 11 86 ff 80 3c 25 a8 a4 2d 88 00 75 11 48 c7 c7 a1 2a a1 87 31 c0 4c 89 fe e8 f2 10 86 ff <0f> 0b eb fe 48 3d ff ff ff 1f 0f 87 a2 fe ff ff 48 8b 1c 25 10 
[   31.594735] RIP: kmsan_get_shadow_address+0x1ce/0x1f0 RSP: ffff8801b6f5f880
[   31.601815] ---[ end trace bfd7794b76d810b0 ]---
[   31.606542] Kernel panic - not syncing: Fatal exception
[   31.612282] Dumping ftrace buffer:
[   31.615805]    (ftrace buffer empty)
[   31.619490] Kernel Offset: disabled
[   31.623088] Rebooting in 86400 seconds..