------------[ cut here ]------------
WARNING: CPU: 0 PID: 30523 at arch/x86/kvm/x86.c:8202 __x86_set_memory_region+0x5cd/0x7b0 arch/x86/kvm/x86.c:8202
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 30523 Comm: syz-executor.5 Not tainted 4.14.0-rc4+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'kvm' (ffff8801dcf865d0): kobject_uevent_env
kobject: 'kvm' (ffff8801dcf865d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (ffff8801dcf865d0): kobject_uevent_env
kobject: 'kvm' (ffff8801dcf865d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
Call Trace:
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x145/0x1e1 lib/dump_stack.c:52
kobject: 'kvm' (ffff8801dcf865d0): kobject_uevent_env
kobject: 'kvm' (ffff8801dcf865d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (ffff8801dcf865d0): kobject_uevent_env
kobject: 'kvm' (ffff8801dcf865d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (ffff8801dcf865d0): kobject_uevent_env
kobject: 'kvm' (ffff8801dcf865d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (ffff8801dcf865d0): kobject_uevent_env
kobject: 'kvm' (ffff8801dcf865d0): fill_kobj_path: path = '/devices/virtual/misc/kvm'
 panic+0x1a9/0x34e kernel/panic.c:181
 __warn.cold.8+0x11a/0x156 kernel/panic.c:542
 report_bug+0x1a3/0x227 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline]
 do_trap+0x1ef/0x2d0 arch/x86/kernel/traps.c:261
 do_error_trap+0x11f/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+0x5cd/0x7b0 arch/x86/kvm/x86.c:8202
RSP: 0018:ffff880124c67280 EFLAGS: 00010286
RAX: 00000000fffffffc RBX: 00000000000101ff RCX: ffff8801236fcb38
RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000282
RBP: ffff880124c673b8 R08: 1ffff1002498ce03 R09: ffff8801236fc200
R10: 9c2e87fa953a3303 R11: 1ffff100246dfaeb R12: ffff8800b0b4e5c0
R13: ffff880124c67390 R14: ffff880124c67350 R15: 00007eff1d08b000
 x86_set_memory_region+0x38/0x60 arch/x86/kvm/x86.c:8214
 kvm_arch_destroy_vm+0x731/0xa90 arch/x86/kvm/x86.c:8230
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:727 [inline]
 kvm_put_kvm+0x584/0xd20 arch/x86/kvm/../../../virt/kvm/kvm_main.c:748
 kvm_vcpu_release+0x77/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2371
 __fput+0x2db/0x910 fs/file_table.c:210
 ____fput+0x9/0x10 fs/file_table.c:244
 task_work_run+0x15e/0x240 kernel/task_work.c:112
 get_signal+0x10c6/0x1480 kernel/signal.c:2164
 do_signal+0x94/0x2210 arch/x86/kernel/signal.c:808
 exit_to_usermode_loop+0x1bc/0x290 arch/x86/entry/common.c:158
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath+0x341/0x400 arch/x86/entry/common.c:266
 entry_SYSCALL_64_fastpath+0xc0/0xc2
RIP: 0033:0x4598e9
RSP: 002b:00007eff1d089c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00000000004598e9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007eff1d08a6d4
R13: 00000000004c2c68 R14: 00000000004d6330 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..