Description of problem:
Problem occurs when starting / shutting down Windows guests running in KVM. Guests include
Windows Server 2012 r2, Windows Server 2016, and Windows 10 Pro.

Steps to reproduce:

Install Fedora 24 and all available updates.
Install virt-manager and set up KVM environment (add vfio modules to initramfs and PCIe ids for vfio_pci to claim).
Install Windows using KVM.
Eventually the system crashes when starting up / shutting down guest.

Additional info:
reporter:       libreport-2.7.2
general protection fault: 0000 [#1] SMP
Modules linked in: rfcomm fuse ccm arc4 xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc ebtable_nat ip6table_raw ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_mangle iptable_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_security iptable_mangle ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep vfat fat snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_codec_realtek snd_hda_codec_generic ath10k_pci kvm ath10k_core iTCO_wdt iTCO_vendor_support eeepc_wmi mac80211 asus_wmi sparse_keymap crct10dif_pclmul
 crc32_pclmul snd_hda_intel ghash_clmulni_intel intel_cstate intel_uncore snd_hda_codec intel_rapl_perf snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm ath cfg80211 btusb hci_uart btrtl snd_timer btqca btbcm snd i2c_i801 btintel i2c_smbus pinctrl_sunrisepoint bluetooth soundcore mei_me pinctrl_intel intel_lpss_acpi mei intel_lpss rfkill shpchp acpi_als tpm_tis kfifo_buf tpm_tis_core industrialio tpm acpi_pad nfsd auth_rpcgss nfs_acl lockd grace sunrpc xfs libcrc32c nouveau i915 mxm_wmi ttm e1000e i2c_algo_bit crc32c_intel drm_kms_helper serio_raw drm ptp pps_core nvme nvme_core wmi video i2c_hid fjes vfio_pci irqbypass vfio_iommu_type1 vfio_virqfd vfio
CPU: 5 PID: 2758 Comm: CPU 0/KVM Not tainted 4.8.4-200.fc24.x86_64 #1
Hardware name: System manufacturer System Product Name/MAXIMUS VIII HERO ALPHA, BIOS 1701 03/25/2016
task: ffff90fa8795dd00 task.stack: ffff90fa10644000
RIP: 0010:[<ffffffff8f227753>]  [<ffffffff8f227753>] __kmalloc+0xc3/0x1f0
RSP: 0018:ffff90fa10647af8  EFLAGS: 00010246
RAX: 2effff90fbf545cd RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000005920 RSI: 0000000000000000 RDI: 000000000001c920
RBP: ffff90fa10647b28 R08: ffff90fc43d5c920 R09: 00000000000fee00
R10: 2effff90fbf545cd R11: 0000000000000000 R12: 00000000024080c0
R13: 0000000000000008 R14: ffff90fc03003cc0 R15: ffff90fc03003cc0
FS:  00007f218dedd700(0000) GS:ffff90fc43d40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dbfe403698 CR3: 000000103c1ac000 CR4: 00000000003426e0
Stack:
 ffffffffc0b55c2c 0000000000000001 0000000000000000 0000000000000000
 ffff90fa10647c28 0000000000000000 ffff90fa10647b38 ffffffffc0b55c2c
 ffff90fa10647b88 ffffffffc0b6e83f ffffb945c7e03000 ffff90f9882e8000
Call Trace:
 [<ffffffffc0b55c2c>] ? kvm_kvzalloc+0x1c/0x30 [kvm]
 [<ffffffffc0b55c2c>] kvm_kvzalloc+0x1c/0x30 [kvm]
 [<ffffffffc0b6e83f>] kvm_arch_create_memslot+0x4f/0x1c0 [kvm]
 [<ffffffffc0b563d5>] __kvm_set_memory_region.part.55+0x795/0xa90 [kvm]
 [<ffffffffc0b566ed>] __kvm_set_memory_region+0x1d/0x20 [kvm]
 [<ffffffffc0b62104>] __x86_set_memory_region+0x104/0x1e0 [kvm]
 [<ffffffffc0c2eef7>] vmx_create_vcpu+0xd57/0x1050 [kvm_intel]
 [<ffffffff8f0b08e9>] ? get_signal+0x289/0x630
 [<ffffffffc0b6d81e>] kvm_arch_vcpu_create+0x3e/0x60 [kvm]
 [<ffffffffc0b56a27>] kvm_vm_ioctl+0x2d7/0x780 [kvm]
 [<ffffffff8f29e5bc>] ? eventfd_read+0x5c/0x90
 [<ffffffff8f24f657>] ? __vfs_read+0x37/0x150
 [<ffffffff8f264cf3>] do_vfs_ioctl+0xa3/0x5f0
 [<ffffffff8f2652b9>] SyS_ioctl+0x79/0x90
 [<ffffffff8f802572>] entry_SYSCALL_64_fastpath+0x1a/0xa4
Code: 49 83 78 10 00 4d 8b 10 0f 84 ce 00 00 00 4d 85 d2 0f 84 c5 00 00 00 49 63 47 20 49 8b 3f 4c 01 d0 40 f6 c7 0f 0f 85 1a 01 00 00 <48> 8b 18 48 8d 4a 01 4c 89 d0 65 48 0f c7 0f 0f 94 c0 84 c0 74 
RIP  [<ffffffff8f227753>] __kmalloc+0xc3/0x1f0