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BUG: KCSAN: data-race in direct_page_fault / kvm_mmu_notifier_invalidate_range_end

write to 0xffffc90003492188 of 8 bytes by task 21666 on cpu 1:
 kvm_mmu_notifier_invalidate_range_end+0x39/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:453
 mn_hlist_invalidate_end mm/mmu_notifier.c:560 [inline]
 __mmu_notifier_invalidate_range_end+0x18e/0x210 mm/mmu_notifier.c:580
 mmu_notifier_invalidate_range_end include/linux/mmu_notifier.h:473 [inline]
 change_pmd_range mm/mprotect.c:277 [inline]
 change_pud_range mm/mprotect.c:297 [inline]
 change_p4d_range mm/mprotect.c:317 [inline]
 change_protection_range mm/mprotect.c:342 [inline]
 change_protection+0x13c9/0x16b0 mm/mprotect.c:365
 mprotect_fixup+0x37a/0x580 mm/mprotect.c:487
 do_mprotect_pkey+0x4bb/0x5f0 mm/mprotect.c:613
 __do_sys_mprotect mm/mprotect.c:638 [inline]
 __se_sys_mprotect mm/mprotect.c:635 [inline]
 __x64_sys_mprotect+0x44/0x50 mm/mprotect.c:635
 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffffc90003492188 of 8 bytes by task 21669 on cpu 0:
 direct_page_fault+0x162/0x670 arch/x86/kvm/mmu/mmu.c:4121
 kvm_tdp_page_fault+0x92/0xa0 arch/x86/kvm/mmu/mmu.c:4208
 kvm_mmu_do_page_fault arch/x86/kvm/mmu.h:115 [inline]
 kvm_mmu_page_fault+0xca/0x410 arch/x86/kvm/mmu/mmu.c:5422
 handle_ept_violation+0x249/0x5d0 arch/x86/kvm/vmx/vmx.c:5311
 vmx_handle_exit+0x58b/0xb90 arch/x86/kvm/vmx/vmx.c:6090
 vcpu_enter_guest+0x1ca9/0x2760 arch/x86/kvm/x86.c:8599
 vcpu_run+0x27e/0x790 arch/x86/kvm/x86.c:8664
 kvm_arch_vcpu_ioctl_run+0x38d/0x6a0 arch/x86/kvm/x86.c:8885
 kvm_vcpu_ioctl+0x565/0x950 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3166
 vfs_ioctl fs/ioctl.c:48 [inline]
 ksys_ioctl fs/ioctl.c:753 [inline]
 __do_sys_ioctl fs/ioctl.c:762 [inline]
 __se_sys_ioctl+0xc9/0x130 fs/ioctl.c:760
 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:760
 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 21669 Comm: syz-executor.5 Not tainted 5.8.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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