WARNING: CPU: 1 PID: 10926 at arch/x86/kvm/x86.c:8465 __x86_set_memory_region+0x56e/0x7a0 arch/x86/kvm/x86.c:8465
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 10926 Comm: syz-executor6 Not tainted 4.16.0-rc2+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x24d lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x58/0x80 arch/x86/entry/entry_64.S:957
RIP: 0010:__x86_set_memory_region+0x56e/0x7a0 arch/x86/kvm/x86.c:8465
RSP: 0018:ffff8801aa787268 EFLAGS: 00010212
RAX: 0000000000010000 RBX: ffff8801aa787370 RCX: ffffffff810b589e
RDX: 000000000000494d RSI: ffffc90004a0f000 RDI: 0000000000000282
RBP: ffff8801aa787398 R08: 0000000000000000 R09: 1ffff100354f0e08
R10: ffff8801aa787008 R11: 0000000000000001 R12: ffff8801aa787330
R13: 1ffff100354f0e52 R14: ffff880199267880 R15: 0000000000000000
 x86_set_memory_region+0x3e/0x60 arch/x86/kvm/x86.c:8477
 kvm_arch_destroy_vm+0x79a/0x980 arch/x86/kvm/x86.c:8492
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:729 [inline]
 kvm_put_kvm+0x695/0xdf0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:750
 kvm_vcpu_release+0x7b/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2381
 __fput+0x327/0x7e0 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0x199/0x270 kernel/task_work.c:113
 get_signal+0x134b/0x16d0 kernel/signal.c:2299
 do_signal+0x90/0x1e90 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x258/0x2f0 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:265 [inline]
 do_syscall_64+0x6e5/0x940 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x453de9
RSP: 002b:00007fc3a7d54c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fc3a7d556d4 RCX: 0000000000453de9
RDX: 0000000020000000 RSI: 000000004400ae8f RDI: 0000000000000015
RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000024b R14: 00000000006f37a8 R15: 0000000000000001
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..