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-3,10.128.15.192' (ECDSA) to the list of known hosts.
2017/11/03 20:05:16 parsed 1 programs
2017/11/03 20:05:16 executed programs: 0
syzkaller login: [  104.290482] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
2017/11/03 20:05:21 executed programs: 194
[  113.984998] ------------[ cut here ]------------
[  114.035748] WARNING: CPU: 1 PID: 5376 at arch/x86/kvm/x86.c:8202 __x86_set_memory_region+0x56e/0x7a0
[  114.088129] Kernel panic - not syncing: panic_on_warn set ...
[  114.088129] 
[  114.095550] CPU: 1 PID: 5376 Comm: syz-executor6 Not tainted 4.14.0-rc7+ #160
[  114.102812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  114.112158] Call Trace:
[  114.114742]  dump_stack+0x194/0x257
[  114.118369]  ? arch_local_irq_restore+0x53/0x53
[  114.123060]  panic+0x1e4/0x417
[  114.126248]  ? __warn+0x1d9/0x1d9
[  114.129701]  ? show_regs_print_info+0x65/0x65
[  114.134222]  ? __x86_set_memory_region+0x56e/0x7a0
[  114.139148]  __warn+0x1c4/0x1d9
[  114.142425]  ? __x86_set_memory_region+0x56e/0x7a0
[  114.147357]  report_bug+0x211/0x2d0
[  114.150990]  fixup_bug+0x40/0x90
[  114.154349]  do_trap+0x260/0x390
[  114.157735]  do_error_trap+0x120/0x390
[  114.161640]  ? do_trap+0x390/0x390
[  114.165179]  ? rwsem_down_write_failed_killable+0xe/0x10
[  114.170626]  ? __x86_set_memory_region+0x56e/0x7a0
[  114.175566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  114.180417]  do_invalid_op+0x1b/0x20
[  114.184125]  invalid_op+0x18/0x20
[  114.187574] RIP: 0010:__x86_set_memory_region+0x56e/0x7a0
[  114.193097] RSP: 0018:ffff8801d91cf690 EFLAGS: 00010297
[  114.198539] RAX: ffff8801c6f90340 RBX: ffff8801d91cf798 RCX: 1ffff10038df2176
[  114.205803] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000282
[  114.213076] RBP: ffff8801d91cf7c0 R08: 0000000000000001 R09: 1ffff1003b239e8d
[  114.220338] R10: ffff8801d91cf430 R11: 0000000000000001 R12: ffff8801d91cf758
[  114.227603] R13: 1ffff1003b239ed7 R14: ffff8801b778d980 R15: 0000000000000000
[  114.234919]  ? msr_io+0x3b0/0x3b0
[  114.238376]  ? synchronize_srcu+0x3bf/0x560
[  114.242718]  x86_set_memory_region+0x3e/0x60
[  114.247129]  kvm_arch_destroy_vm+0x7c4/0x990
[  114.251540]  ? kvm_arch_sync_events+0x30/0x30
[  114.256046]  ? mmu_notifier_unregister+0x433/0x5d0
[  114.260983]  ? __mmu_notifier_register+0x30/0x30
[  114.265739]  ? __free_pages+0x107/0x150
[  114.269713]  ? free_hot_cold_page+0x12b0/0x12b0
[  114.274383]  ? quarantine_put+0xeb/0x190
[  114.278441]  ? kfree+0xe4/0x250
[  114.281727]  ? kvm_put_kvm+0x614/0xdf0
[  114.285615]  ? free_pages+0x51/0x90
[  114.289244]  kvm_put_kvm+0x695/0xdf0
[  114.292967]  ? kvm_clear_guest+0xb0/0xb0
[  114.297024]  ? dput.part.24+0x2a/0x740
[  114.300916]  ? up_write+0x6b/0x120
[  114.304457]  ? up_read+0x40/0x40
[  114.307821]  ? mntput+0x66/0x90
[  114.311103]  ? debugfs_remove_recursive+0x48e/0x5e0
[  114.316125]  ? debugfs_remove+0x1f0/0x1f0
[  114.320285]  ? kvm_vm_release+0x50/0x50
[  114.324253]  kvm_vcpu_release+0x7b/0xa0
[  114.328216]  __fput+0x327/0x7e0
[  114.331499]  ? fput+0x140/0x140
[  114.334779]  ? _raw_spin_unlock_irq+0x27/0x70
[  114.339281]  ____fput+0x15/0x20
[  114.342554]  task_work_run+0x199/0x270
[  114.346442]  ? task_work_cancel+0x210/0x210
[  114.350760]  ? exit_to_usermode_loop+0x8c/0x310
[  114.355435]  exit_to_usermode_loop+0x296/0x310
[  114.360023]  ? trace_event_raw_event_sys_exit+0x260/0x260
[  114.365578]  syscall_return_slowpath+0x42f/0x510
[  114.370331]  ? fd_install+0x60/0x60
[  114.373958]  ? prepare_exit_to_usermode+0x2d0/0x2d0
[  114.378973]  ? entry_SYSCALL_64_fastpath+0x91/0xbe
[  114.383901]  ? trace_hardirqs_on_caller+0x421/0x5c0
[  114.388916]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  114.393681]  entry_SYSCALL_64_fastpath+0xbc/0xbe
[  114.398426] RIP: 0033:0x452869
[  114.401603] RSP: 002b:00007ffb8bc49be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000003
[  114.409306] RAX: 0000000000000000 RBX: 00000000007580d8 RCX: 0000000000452869
[  114.416567] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  114.423829] RBP: 0000000000000048 R08: 0000000000000000 R09: 0000000000000000
[  114.431091] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee760
[  114.438359] R13: 00000000ffffffff R14: 00007ffb8bc4a6d4 R15: 0000000000000006
[  114.446296] Dumping ftrace buffer:
[  114.449920]    (ftrace buffer empty)
[  114.453599] Kernel Offset: disabled
[  114.457196] Rebooting in 86400 seconds..