WARNING: at arch/x86/kvm/mmu.c:3589 handle_mmio_page_fault+0x362/0x370 [kvm]

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With today's git://git.kernel.org/pub/scm/virt/kvm/kvm.git (4.11.0-rc1+),  
I got this warning on the host and the VM hung.

Any idea?

[  124.238033] net0: port 2(tap0) entered blocking state
[  124.238047] net0: port 2(tap0) entered forwarding state
[  146.117829] kvm [2853]: vcpu0, guest rIP: 0xffffffff810644b8 disabled perfctr wrmsr: 0xc2 data 0xffff
[  550.713144] walk_shadow_page_get_mmio_spte: detect reserved bits on spte, addr 0x7f48b000, dump hierarchy:
[  550.713175] ------ spte 0x252364107 level 4.
[  550.713186] ------ spte 0x252b14107 level 3.
[  550.713197] ------ spte 0x252d60107 level 2.
[  550.713207] ------ spte 0x224000055 level 1.
[  550.713218] ------------[ cut here ]------------
[  550.713250] WARNING: CPU: 7 PID: 2877 at arch/x86/kvm/mmu.c:3589 handle_mmio_page_fault+0x362/0x370 [kvm]
[  550.713278] Modules linked in: bridge stp llc bnep rfcomm bluetooth nfsd auth_rpcgss nfs_acl nfs lockd grace sunrpc fscache nls_iso8859_1 radeon snd_hda_codec_realtek x86_pkg_temp_thermal snd_hda_codec_generic snd_hda_codec_hdmi intel_powerclamp snd_hda_intel coretemp snd_hda_codec kvm_intel kvm snd_hda_core i2c_algo_bit irqbypass drm_kms_helper snd_pcm crct10dif_pclmul syscopyarea sysfillrect sysimgblt fb_sys_fops snd_hwdep snd_seq_midi snd_seq_midi_event crc32_pclmul snd_rawmidi ttm ghash_clmulni_intel drm snd_seq aesni_intel aes_x86_64 snd_timer crypto_simd snd_seq_device cryptd snd mei_me hp_wmi ppdev sparse_keymap shpchp wmi soundcore glue_helper mei parport_pc lpc_ich mac_hid serio_raw lp parport e1000e ahci ptp psmouse libahci pps_core
[  550.713475] CPU: 7 PID: 2877 Comm: qemu-system-x86 Not tainted 4.11.0-rc1+ #4
[  550.713495] Hardware name: Hewlett-Packard HP Z230 SFF Workstation/1906, BIOS L51 v01.18 01/23/2014
[  550.713520] Call Trace:
[  550.713531]  dump_stack+0x63/0x90
[  550.713543]  __warn+0xd1/0xf0
[  550.713553]  warn_slowpath_null+0x1d/0x20
[  550.713574]  handle_mmio_page_fault+0x362/0x370 [kvm]
[  550.713591]  handle_ept_misconfig+0x42/0x120 [kvm_intel]
[  550.713608]  vmx_handle_exit+0x127/0x13e0 [kvm_intel]
[  550.713631]  kvm_arch_vcpu_ioctl_run+0xb1e/0x1570 [kvm]
[  550.713647]  ? futex_wake+0x81/0x150
[  550.713666]  ? kvm_arch_vcpu_load+0x57/0x270 [kvm]
[  550.713686]  kvm_vcpu_ioctl+0x2fd/0x580 [kvm]
[  550.713700]  ? pick_next_task_fair+0x404/0x530
[  550.713715]  ? __switch_to+0x22d/0x4c0
[  550.713727]  do_vfs_ioctl+0x90/0x5b0
[  550.713745]  ? kvm_on_user_return+0x66/0xa0 [kvm]
[  550.713760]  ? fire_user_return_notifiers+0x3b/0x50
[  550.713774]  SyS_ioctl+0x79/0x90
[  550.713785]  entry_SYSCALL_64_fastpath+0x1e/0xad
[  550.713799] RIP: 0033:0x7f4a24b41337
[  550.713810] RSP: 002b:00007f4a1cd56a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  550.713832] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f4a24b41337
[  550.713852] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000014
[  550.713872] RBP: 000055bc147e3660 R08: 000055bc1364e050 R09: 0000000000000000
[  550.713891] R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
[  550.713911] R13: 0000000000000007 R14: 00007f4a26d1b000 R15: 000055bc147e3660
[  550.713932] ---[ end trace 0fddbd81a6b111df ]---
[  550.713945] ------------[ cut here ]------------
[  550.713969] WARNING: CPU: 7 PID: 2877 at arch/x86/kvm/vmx.c:6311 handle_ept_misconfig+0xdf/0x120 [kvm_intel]
[  550.715027] Modules linked in: bridge stp llc bnep rfcomm bluetooth nfsd auth_rpcgss nfs_acl nfs lockd grace sunrpc fscache nls_iso8859_1 radeon snd_hda_codec_realtek x86_pkg_temp_thermal snd_hda_codec_generic snd_hda_codec_hdmi intel_powerclamp snd_hda_intel coretemp snd_hda_codec kvm_intel kvm snd_hda_core i2c_algo_bit irqbypass drm_kms_helper snd_pcm crct10dif_pclmul syscopyarea sysfillrect sysimgblt fb_sys_fops snd_hwdep snd_seq_midi snd_seq_midi_event crc32_pclmul snd_rawmidi ttm ghash_clmulni_intel drm snd_seq aesni_intel aes_x86_64 snd_timer crypto_simd snd_seq_device cryptd snd mei_me hp_wmi ppdev sparse_keymap shpchp wmi soundcore glue_helper mei parport_pc lpc_ich mac_hid serio_raw lp parport e1000e ahci ptp psmouse libahci pps_core
[  550.719604] CPU: 7 PID: 2877 Comm: qemu-system-x86 Tainted: G        W       4.11.0-rc1+ #4
[  550.720721] Hardware name: Hewlett-Packard HP Z230 SFF Workstation/1906, BIOS L51 v01.18 01/23/2014
[  550.722373] Call Trace:
[  550.724293]  dump_stack+0x63/0x90
[  550.726185]  __warn+0xd1/0xf0
[  550.728122]  warn_slowpath_null+0x1d/0x20
[  550.730129]  handle_ept_misconfig+0xdf/0x120 [kvm_intel]
[  550.732170]  vmx_handle_exit+0x127/0x13e0 [kvm_intel]
[  550.734239]  kvm_arch_vcpu_ioctl_run+0xb1e/0x1570 [kvm]
[  550.736279]  ? futex_wake+0x81/0x150
[  550.738158]  ? kvm_arch_vcpu_load+0x57/0x270 [kvm]
[  550.740033]  kvm_vcpu_ioctl+0x2fd/0x580 [kvm]
[  550.741844]  ? pick_next_task_fair+0x404/0x530
[  550.743646]  ? __switch_to+0x22d/0x4c0
[  550.745443]  do_vfs_ioctl+0x90/0x5b0
[  550.747252]  ? kvm_on_user_return+0x66/0xa0 [kvm]
[  550.749063]  ? fire_user_return_notifiers+0x3b/0x50
[  550.750864]  SyS_ioctl+0x79/0x90
[  550.752672]  entry_SYSCALL_64_fastpath+0x1e/0xad
[  550.754470] RIP: 0033:0x7f4a24b41337
[  550.756252] RSP: 002b:00007f4a1cd56a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  550.758057] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f4a24b41337
[  550.759876] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000014
[  550.761689] RBP: 000055bc147e3660 R08: 000055bc1364e050 R09: 0000000000000000
[  550.763493] R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
[  550.765307] R13: 0000000000000007 R14: 00007f4a26d1b000 R15: 000055bc147e3660
[  550.767131] ---[ end trace 0fddbd81a6b111e0 ]---
[ 1137.920049] net0: port 2(tap0) entered disabled state
[ 1137.924350] device tap0 left promiscuous mode
[ 1137.927687] net0: port 2(tap0) entered disabled state






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