WARNING: CPU: 1 PID: 10919 at arch/x86/kvm/vmx.c:3844 free_loaded_vmcs+0x10f/0x150 arch/x86/kvm/vmx.c:3844
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 10919 Comm: syz-executor1 Not tainted 4.14.0+ #183
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+0x194/0x257 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:177
 fixup_bug arch/x86/kernel/traps.c:246 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:926
RIP: 0010:free_loaded_vmcs+0x10f/0x150 arch/x86/kvm/vmx.c:3844
RSP: 0018:ffff8801d0b0ef28 EFLAGS: 00010293
RAX: ffff8801d570c480 RBX: ffff880197bddc18 RCX: ffffffff8119caff
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff880197bddc20
RBP: ffff8801d0b0ef40 R08: ffffea00071dcbe0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c772f000
R13: 0000000000000001 R14: dffffc0000000000 R15: ffffed003a161e09
 vmx_free_vcpu+0x1d3/0x2c0 arch/x86/kvm/vmx.c:9507
 kvm_arch_vcpu_free arch/x86/kvm/x86.c:7729 [inline]
 kvm_free_vcpus arch/x86/kvm/x86.c:8178 [inline]
 kvm_arch_destroy_vm+0x4b4/0x990 arch/x86/kvm/x86.c:8277
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:726 [inline]
 kvm_put_kvm+0x695/0xdf0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:747
 kvm_vm_release+0x42/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:758
 __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:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ae0 kernel/exit.c:865
 do_group_exit+0x149/0x400 kernel/exit.c:968
 get_signal+0x73f/0x16c0 kernel/signal.c:2335
 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264
 entry_SYSCALL_64_fastpath+0x94/0x96
RIP: 0033:0x452879
RSP: 002b:00007fda4906bce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00000000007581b8 RCX: 0000000000452879
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000007581b8
RBP: 00000000007581b8 R08: 0000000000000230 R09: 0000000000758190
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000a6f7ff R14: 00007fda4906c9c0 R15: 000000000000000a
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..