WARNING: CPU: 1 PID: 19680 at arch/x86/kvm/x86.c:8277 __x86_set_memory_region+0x56e/0x7a0 arch/x86/kvm/x86.c:8277
WARNING: CPU: 0 PID: 19690 at arch/x86/kvm/x86.c:8277 __x86_set_memory_region+0x56e/0x7a0 arch/x86/kvm/x86.c:8277
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 19690 Comm: syz-executor0 Not tainted 4.15.0+ #287
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: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+0x22/0x40 arch/x86/entry/entry_64.S:1097
RIP: 0010:__x86_set_memory_region+0x56e/0x7a0 arch/x86/kvm/x86.c:8277
RSP: 0018:ffff8801af8e76a0 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801af8e77a8 RCX: ffffffff810b585e
RDX: 0000000000005618 RSI: ffffc90003806000 RDI: 0000000000000282
RBP: ffff8801af8e77d0 R08: 0000000000000000 R09: 1ffff10035f1ce8f
R10: ffff8801af8e7440 R11: 0000000000000001 R12: ffff8801af8e7768
R13: 1ffff10035f1ced9 R14: ffff8801af7cdac0 R15: 0000000000000000
 x86_set_memory_region+0x3e/0x60 arch/x86/kvm/x86.c:8289
 kvm_arch_destroy_vm+0x7c4/0x990 arch/x86/kvm/x86.c:8305
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:734 [inline]
 kvm_put_kvm+0x695/0xdf0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:755
 kvm_vcpu_release+0x7b/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2402
 __fput+0x327/0x7e0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x296/0x310 arch/x86/entry/common.c:162
 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+0x9e/0xa0
RIP: 0033:0x453299
RSP: 002b:00007f8494b44c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000021
RAX: 0000000000000018 RBX: 000000000071bf58 RCX: 0000000000453299
RDX: 0000000000000000 RSI: 0000000000000018 RDI: 0000000000000017
RBP: 000000000000006c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006efac0
R13: 00000000ffffffff R14: 00007f8494b456d4 R15: 0000000000000005
Modules linked in:
CPU: 1 PID: 19680 Comm: syz-executor0 Not tainted 4.15.0+ #287
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__x86_set_memory_region+0x56e/0x7a0 arch/x86/kvm/x86.c:8277
RSP: 0018:ffff8801b1aaf2d8 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801b1aaf3e0 RCX: ffffffff810b585e
RDX: 0000000000004e51 RSI: ffffc90003704000 RDI: 0000000000000282
RBP: ffff8801b1aaf408 R08: 0000000000000000 R09: 1ffff10036355e16
R10: ffff8801b1aaf078 R11: 0000000000000001 R12: ffff8801b1aaf3a0
R13: 1ffff10036355e60 R14: ffff8801b13ed240 R15: 0000000000000000
FS:  00007f8494b66700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2831ade000 CR3: 00000001c4177002 CR4: 00000000001626e0
Call Trace:
 x86_set_memory_region+0x3e/0x60 arch/x86/kvm/x86.c:8289
 kvm_arch_destroy_vm+0x7b3/0x990 arch/x86/kvm/x86.c:8304
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:734 [inline]
 kvm_put_kvm+0x695/0xdf0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:755
 kvm_vcpu_release+0x7b/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2402
 __fput+0x327/0x7e0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:113
 get_signal+0x133d/0x16c0 kernel/signal.c:2165
 do_signal+0x90/0x1eb0 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+0x9e/0xa0
RIP: 0033:0x453299
RSP: 002b:00007f8494b65c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 000000000071bea0 RCX: 0000000000453299
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000015
RBP: 000000000000023b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2628
R13: 00000000ffffffff R14: 00007f8494b666d4 R15: 0000000000000000
Code: ff ff e8 c6 11 65 00 48 8b b5 d0 fe ff ff 48 8b bd d8 fe ff ff 48 c1 e6 0c e8 ff e0 91 00 85 c0 0f 89 33 ff ff ff e8 a2 11 65 00 <0f> ff e9 27 ff ff ff e8 96 11 65 00 49 8d be 98 00 00 00 be ff 
---[ end trace 5604af72f386f760 ]---
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..