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-2,10.128.15.232' (ECDSA) to the list of known hosts.
2017/10/22 07:38:51 parsed 1 programs
2017/10/22 07:38:51 executed programs: 0
syzkaller login: [   30.024184] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
[   30.181068] ------------[ cut here ]------------
[   30.185878] WARNING: CPU: 0 PID: 3045 at arch/x86/kernel/traps.c:776 do_debug+0x4d8/0x6e0
[   30.194198] Kernel panic - not syncing: panic_on_warn set ...
[   30.194198] 
[   30.201528] CPU: 0 PID: 3045 Comm: syz-executor6 Not tainted 4.14.0-rc5+ #142
[   30.208762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   30.218081] Call Trace:
[   30.220628]  <#DB>
[   30.222749]  dump_stack+0x194/0x257
[   30.226343]  ? arch_local_irq_restore+0x53/0x53
[   30.230990]  panic+0x1e4/0x417
[   30.234147]  ? __warn+0x1d9/0x1d9
[   30.237563]  ? show_regs_print_info+0x65/0x65
[   30.242036]  ? do_debug+0x4d8/0x6e0
[   30.245625]  __warn+0x1c4/0x1d9
[   30.248874]  ? do_debug+0x4d8/0x6e0
[   30.252467]  report_bug+0x211/0x2d0
[   30.256065]  fixup_bug+0x40/0x90
[   30.259396]  do_trap+0x260/0x390
[   30.262736]  do_error_trap+0x120/0x390
[   30.266586]  ? lock_downgrade+0x990/0x990
[   30.270706]  ? do_trap+0x390/0x390
[   30.274211]  ? raw_notifier_chain_unregister+0x1b0/0x1b0
[   30.279628]  ? do_debug+0x4d8/0x6e0
[   30.283231]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   30.288045]  do_invalid_op+0x1b/0x20
[   30.291724]  invalid_op+0x18/0x20
[   30.295144] RIP: 0010:do_debug+0x4d8/0x6e0
[   30.299341] RSP: 0018:ffff8801db20fe98 EFLAGS: 00010246
[   30.304668] RAX: dffffc0000000000 RBX: ffff8801db20ff58 RCX: 0000000000000000
[   30.311905] RDX: 1ffff1003b641ffc RSI: 0000000000000001 RDI: ffffffff85ac6398
[   30.319140] RBP: ffff8801db20ff48 R08: ffff8801db20ffe8 R09: 0000000000000000
[   30.326375] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000004001
[   30.333608] R13: ffff8801cd8541c0 R14: 1ffff1003b641fd8 R15: 0000000000004000
[   30.340865]  ? do_debug+0x458/0x6e0
[   30.344460]  ? ist_enter+0xd0/0xd0
[   30.347966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   30.352779]  debug+0x34/0x70
[   30.355764] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20
[   30.361609] RSP: 0018:ffff8801cd2cfe68 EFLAGS: 00010246
[   30.366939] RAX: ffffed0039a59fe1 RBX: 0000000020000000 RCX: 000000000000003f
[   30.374174] RDX: 0000000000000040 RSI: 0000000020000001 RDI: ffff8801cd2cfec9
[   30.381407] RBP: ffff8801cd2cfe98 R08: ffffed0039a59fe1 R09: ffffed0039a59fe1
[   30.388640] R10: 0000000000000008 R11: ffffed0039a59fe0 R12: 0000000000000040
[   30.395876] R13: ffff8801cd2cfec8 R14: 00007ffffffff000 R15: 0000000020000040
[   30.403129]  </#DB>
[   30.405332]  ? _copy_from_user+0xc5/0x110
[   30.409451]  SyS_timer_create+0x89/0x120
[   30.413477]  ? posix_timer_fn+0x2f0/0x2f0
[   30.417592]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   30.422574]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   30.427301]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   30.432018] RIP: 0033:0x452719
[   30.435172] RSP: 002b:00007f906f324be8 EFLAGS: 00000212 ORIG_RAX: 00000000000000de
[   30.442844] RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452719
[   30.450080] RDX: 0000000020000000 RSI: 0000000020000000 RDI: ffffffffffffffff
[   30.457313] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
[   30.464548] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3cf8
[   30.471783] R13: 00000000ffffffff R14: 00007f906f3256d4 R15: 0000000000000000
[   30.479453] Dumping ftrace buffer:
[   30.482990]    (ftrace buffer empty)
[   30.486666] Kernel Offset: disabled
[   30.490260] Rebooting in 86400 seconds..