------------[ cut here ]------------
WARNING: CPU: 0 PID: 5086 at arch/x86/kvm/x86.c:8202 __x86_set_memory_region+0x56e/0x7a0 arch/x86/kvm/x86.c:8202
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 5086 Comm: syz-executor0 Not tainted 4.14.0-rc1+ #6
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:52
 panic+0x1e4/0x417 kernel/panic.c:181
 __warn+0x1c4/0x1d9 kernel/panic.c:542
 report_bug+0x211/0x2d0 lib/bug.c:183
 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178
 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline]
 do_trap+0x260/0x390 arch/x86/kernel/traps.c:261
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905
RIP: 0010:__x86_set_memory_region+0x56e/0x7a0 arch/x86/kvm/x86.c:8202
RSP: 0018:ffff8801d871f140 EFLAGS: 00010297
RAX: ffff8801d4fcc380 RBX: ffff8801d871f248 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffffed003b0e3df8
RBP: ffff8801d871f270 R08: ffff8801d871e978 R09: 1ffff1003b0e3ddb
R10: ffff8801d4fcc380 R11: 0000000000000001 R12: ffff8801d871f208
R13: 1ffff1003b0e3e2d R14: ffff8801b3389240 R15: 0000000000000000
 x86_set_memory_region+0x3e/0x60 arch/x86/kvm/x86.c:8214
 kvm_arch_destroy_vm+0x7c4/0x990 arch/x86/kvm/x86.c:8230
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:727 [inline]
 kvm_put_kvm+0x695/0xdf0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:748
 kvm_vcpu_release+0x7b/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2371
 __fput+0x333/0x7f0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:112
 get_signal+0x143d/0x17e0 kernel/signal.c:2164
 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808
 exit_to_usermode_loop+0x224/0x300 arch/x86/entry/common.c:158
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:266 [inline]
 do_syscall_32_irqs_on arch/x86/entry/common.c:335 [inline]
 do_fast_syscall_32+0x83e/0xeed arch/x86/entry/common.c:391
 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124
RIP: 0023:0xf7f69c79
RSP: 002b:00000000f7f6505c EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: fffffffffffffffc RBX: 0000000000000005 RCX: 000000000000ae80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..