WARNING: CPU: 1 PID: 22484 at arch/x86/kvm/vmx.c:8247 alloc_shadow_vmcs arch/x86/kvm/vmx.c:8247 [inline]
WARNING: CPU: 1 PID: 22484 at arch/x86/kvm/vmx.c:8247 enter_vmx_operation+0x391/0x470 arch/x86/kvm/vmx.c:8274
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 22484 Comm: syz-executor0 Not tainted 4.18.0-next-20180824+ #47
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:996
RIP: 0010:alloc_shadow_vmcs arch/x86/kvm/vmx.c:8247 [inline]
RIP: 0010:enter_vmx_operation+0x391/0x470 arch/x86/kvm/vmx.c:8274
Code: 00 4c 89 ef bb f4 ff ff ff e8 7b ec ff ff e9 f2 fe ff ff e8 31 ea 5f 00 48 8b 4d d0 48 85 c9 0f 84 08 ff ff ff e8 1f ea 5f 00 <0f> 0b e9 0e fe ff ff e8 a3 2b 9f 00 e9 c1 fe ff ff e8 b9 2b 9f 00
RSP: 0018:ffff88018fa9ef48 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff8801ca9b8b80 RCX: ffffc9000c879000
RDX: 0000000000000383 RSI: ffffffff811ce3b1 RDI: ffff8801ca9be360
RBP: ffff88018fa9ef80 R08: ffff8801add16380 R09: ffffed003b6246de
R10: ffffed003b6246de R11: ffff8801db1236f3 R12: ffff8801ca9be6e8
R13: ffff8801ca9be6f8 R14: ffff8801ca9be6e0 R15: ffff8801ca9be2e8
 vmx_set_nested_state+0x4d6/0xea0 arch/x86/kvm/vmx.c:13947
 kvm_arch_vcpu_ioctl+0x790/0x3ac0 arch/x86/kvm/x86.c:4048
init_special_inode: bogus i_mode (0) for inode loop4:1
 kvm_vcpu_ioctl+0x286/0x1280 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2742
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
init_special_inode: bogus i_mode (0) for inode loop1:1
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl fs/ioctl.c:707 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457089
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3e6b199c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3e6b19a6d4 RCX: 0000000000457089
RDX: 00000000200002c0 RSI: 000000004080aebf RDI: 0000000000000005
RBP: 00000000009301e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004cf070 R14: 00000000004c56c3 R15: 0000000000000002
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..