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BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / tdp_page_fault

write to 0xffffc90001aa5150 of 8 bytes by task 6042 on cpu 1:
 kvm_mmu_notifier_invalidate_range_end+0x47/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:446
 mn_hlist_invalidate_end mm/mmu_notifier.c:526 [inline]
 __mmu_notifier_invalidate_range_end+0x19c/0x250 mm/mmu_notifier.c:544
 mmu_notifier_invalidate_range_end include/linux/mmu_notifier.h:466 [inline]
 zap_page_range_single+0x303/0x310 mm/memory.c:1384
 unmap_mapping_range_vma mm/memory.c:2731 [inline]
 unmap_mapping_range_tree mm/memory.c:2752 [inline]
 unmap_mapping_pages+0x20c/0x250 mm/memory.c:2784
 unmap_mapping_range+0x51/0x60 mm/memory.c:2819
 shmem_fallocate+0x6ed/0x860 mm/shmem.c:2757
 vfs_fallocate+0x3be/0x650 fs/open.c:309
 madvise_remove mm/madvise.c:850 [inline]
 madvise_vma mm/madvise.c:933 [inline]
 __do_sys_madvise+0x7f7/0x1150 mm/madvise.c:1121
 __se_sys_madvise mm/madvise.c:1047 [inline]
 __x64_sys_madvise+0x4c/0x60 mm/madvise.c:1047
 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffffc90001aa5150 of 8 bytes by task 6017 on cpu 0:
 tdp_page_fault+0x204/0x570 arch/x86/kvm/mmu/mmu.c:4299
 kvm_mmu_page_fault+0xf9/0xbc0 arch/x86/kvm/mmu/mmu.c:5539
 handle_ept_violation+0x1e5/0x340 arch/x86/kvm/vmx/vmx.c:5163
 vmx_handle_exit+0x1c2/0xdb0 arch/x86/kvm/vmx/vmx.c:5921
 vcpu_enter_guest+0xc25/0x3860 arch/x86/kvm/x86.c:8290
 vcpu_run arch/x86/kvm/x86.c:8354 [inline]
 kvm_arch_vcpu_ioctl_run+0x2a8/0xdf0 arch/x86/kvm/x86.c:8561
 kvm_vcpu_ioctl+0x758/0xa30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2847
 vfs_ioctl fs/ioctl.c:47 [inline]
 file_ioctl fs/ioctl.c:545 [inline]
 do_vfs_ioctl+0x84f/0xcf0 fs/ioctl.c:732
 ksys_ioctl+0xbd/0xe0 fs/ioctl.c:749
 __do_sys_ioctl fs/ioctl.c:756 [inline]
 __se_sys_ioctl fs/ioctl.c:754 [inline]
 __x64_sys_ioctl+0x4c/0x60 fs/ioctl.c:754
 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6017 Comm: syz-executor.5 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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