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-386-1,10.128.15.199' (ECDSA) to the list of known hosts.
2017/09/27 18:28:07 parsed 1 programs
2017/09/27 18:28:07 executed programs: 0
syzkaller login: [   35.239170] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
[   35.253356] ------------[ cut here ]------------
[   35.258166] WARNING: CPU: 1 PID: 2993 at arch/x86/kernel/traps.c:776 do_debug+0x4d8/0x6e0
[   35.266494] Kernel panic - not syncing: panic_on_warn set ...
[   35.266494] 
[   35.273832] CPU: 1 PID: 2993 Comm: syz-executor0 Not tainted 4.14.0-rc2+ #13
[   35.280988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.290316] Call Trace:
[   35.292872]  <#DB>
[   35.295003]  dump_stack+0x194/0x257
[   35.298614]  ? arch_local_irq_restore+0x53/0x53
[   35.303274]  panic+0x1e4/0x417
[   35.306440]  ? __warn+0x1d9/0x1d9
[   35.309863]  ? show_regs_print_info+0x65/0x65
[   35.314357]  ? do_debug+0x4d8/0x6e0
[   35.317955]  __warn+0x1c4/0x1d9
[   35.321206]  ? do_debug+0x4d8/0x6e0
[   35.324808]  report_bug+0x211/0x2d0
[   35.328415]  fixup_bug+0x40/0x90
[   35.331756]  do_trap+0x260/0x390
[   35.335103]  do_error_trap+0x120/0x390
[   35.338965]  ? notifier_call_chain+0x218/0x2c0
[   35.343525]  ? do_trap+0x390/0x390
[   35.347039]  ? raw_notifier_chain_unregister+0x1b0/0x1b0
[   35.352466]  ? do_debug+0x4d8/0x6e0
[   35.356079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   35.360903]  do_invalid_op+0x1b/0x20
[   35.364590]  invalid_op+0x18/0x20
[   35.368015] RIP: 0010:do_debug+0x4d8/0x6e0
[   35.372224] RSP: 0018:ffff8801db30fe98 EFLAGS: 00010246
[   35.377564] RAX: dffffc0000000000 RBX: ffff8801db30ff58 RCX: 0000000000000000
[   35.384805] RDX: 1ffff1003b661ffc RSI: 0000000000000001 RDI: ffffffff85ac99f8
[   35.392046] RBP: ffff8801db30ff48 R08: ffff8801db30ffe8 R09: 0000000000000000
[   35.399289] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000e001
[   35.406545] R13: ffff8801ce90a000 R14: 1ffff1003b661fd8 R15: 0000000000004000
[   35.413811]  ? do_debug+0x458/0x6e0
[   35.417414]  ? ist_enter+0xd0/0xd0
[   35.420941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   35.425766]  debug+0x34/0x70
[   35.428759] RIP: 0010:strncpy_from_user+0x188/0x430
[   35.433743] RSP: 0018:ffff8801ce89fb90 EFLAGS: 00000246
[   35.439080] RAX: 6d766b2f7665642f RBX: ffff8801ce89fc28 RCX: 1ffffffff0b45802
[   35.446320] RDX: 0000000000000000 RSI: 0000000000000fe4 RDI: ffff8801ce89fbf0
[   35.453562] RBP: ffff8801ce89fc50 R08: ffff8801dae08780 R09: ffff8801cf186140
[   35.460802] R10: 0000000000000000 R11: ffffed0039e30e27 R12: 0000000000000fe4
[   35.468041] R13: 0000000000000fe4 R14: 0000000020000000 R15: 8080808080808080
[   35.475303]  </#DB>
[   35.477519]  ? rcu_read_lock_sched_held+0x108/0x120
[   35.482511]  ? mpi_resize+0x200/0x200
[   35.486284]  ? vm_mmap_pgoff+0x13b/0x280
[   35.490333]  getname_flags+0x10e/0x580
[   35.494200]  getname+0x19/0x20
[   35.497365]  do_sys_open+0x2e7/0x6d0
[   35.501056]  ? filp_open+0x70/0x70
[   35.504573]  ? find_mergeable_anon_vma+0xd0/0xd0
[   35.509300]  ? lock_acquire+0x1d5/0x580
[   35.513251]  compat_SyS_openat+0x2d/0x40
[   35.517282]  ? compat_SyS_open+0x40/0x40
[   35.521313]  do_fast_syscall_32+0x3f2/0xf05
[   35.525609]  ? compat_start_thread+0x80/0x80
[   35.529993]  ? do_int80_syscall_32+0x940/0x940
[   35.534553]  ? lockdep_sys_exit+0x47/0xf0
[   35.538681]  ? syscall_return_slowpath+0x2b3/0x510
[   35.543581]  ? finish_task_switch+0x1aa/0x740
[   35.548050]  ? prepare_exit_to_usermode+0x2d0/0x2d0
[   35.553042]  ? sysret32_from_system_call+0x5/0x3b
[   35.557863]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   35.562686]  entry_SYSENTER_compat+0x51/0x60
[   35.567063] RIP: 0023:0xf7f64c79
[   35.570395] RSP: 002b:00000000f7f6005c EFLAGS: 00000296 ORIG_RAX: 0000000000000127
[   35.578076] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000
[   35.585315] RDX: 0000000000080000 RSI: 0000000000000000 RDI: 0000000000000000
[   35.592556] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   35.599799] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   35.607041] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   35.614503] Dumping ftrace buffer:
[   35.618090]    (ftrace buffer empty)
[   35.621776] Kernel Offset: disabled
[   35.625387] Rebooting in 86400 seconds..