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 '10.128.0.63' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   30.958150] ------------[ cut here ]------------
[   30.962970] WARNING: CPU: 0 PID: 3574 at mm/kmsan/kmsan.c:1303 kmsan_get_shadow_address+0xa3/0x1f0
[   30.972034] Kernel panic - not syncing: panic_on_warn set ...
[   30.972034] 
[   30.979370] CPU: 0 PID: 3574 Comm: syzkaller330977 Not tainted 4.16.0+ #81
[   30.986352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   30.995678] Call Trace:
[   30.998249]  dump_stack+0x185/0x1d0
[   31.001851]  panic+0x39d/0x940
[   31.005030]  ? disable_trace_on_warning+0x18/0xd0
[   31.009847]  __warn+0x40f/0x580
[   31.013106]  ? kmsan_get_shadow_address+0xa3/0x1f0
[   31.018015]  report_bug+0x72a/0x880
[   31.021627]  ? kmsan_get_shadow_address+0xa3/0x1f0
[   31.026567]  do_error_trap+0x1aa/0x600
[   31.030433]  do_invalid_op+0x46/0x50
[   31.034129]  invalid_op+0x1b/0x40
[   31.037561] RIP: 0010:kmsan_get_shadow_address+0xa3/0x1f0
[   31.043074] RSP: 0018:ffff8801d415fcc8 EFLAGS: 00010086
[   31.048410] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   31.055653] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff882da4a4
[   31.062894] RBP: ffff8801d415fce0 R08: 000000073588ae8e R09: 0000000000000000
[   31.070137] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000246
[   31.077381] R13: 0000000020000140 R14: 0000000000000001 R15: 0000000000004760
[   31.084642]  ? kmsan_get_shadow_address+0xa3/0x1f0
[   31.089546]  kmsan_internal_check_memory+0x7d/0x1d0
[   31.094538]  kmsan_copy_to_user+0x69/0x160
[   31.098750]  SYSC_modify_ldt+0x2bb/0x600
[   31.102788]  SyS_modify_ldt+0x50/0x70
[   31.106564]  do_syscall_64+0x309/0x430
[   31.110428]  ? ldt_arch_exit_mmap+0x160/0x160
[   31.114898]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   31.120059] RIP: 0033:0x43fcc9
[   31.123222] RSP: 002b:00007ffdff1df318 EFLAGS: 00000217 ORIG_RAX: 000000000000009a
[   31.130906] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcc9
[   31.138154] RDX: 00000001000001a6 RSI: 0000000020000140 RDI: 0000000000000000
[   31.145396] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   31.152640] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015f0
[   31.159881] R13: 0000000000401680 R14: 0000000000000000 R15: 0000000000000000
[   31.167555] Dumping ftrace buffer:
[   31.171078]    (ftrace buffer empty)
[   31.174757] Kernel Offset: disabled
[   31.178357] Rebooting in 86400 seconds..