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BUG: KCSAN: data-race in direct_page_fault / kvm_mmu_notifier_invalidate_range_end

read-write to 0xffffc90003b9a1b0 of 8 bytes by task 22212 on cpu 1:
 kvm_mmu_notifier_invalidate_range_end+0x2e/0x90 arch/x86/kvm/../../../virt/kvm/kvm_main.c:509
 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:479 [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+0x103e/0x12b0 mm/mprotect.c:365
 mprotect_fixup+0x37a/0x580 mm/mprotect.c:487
 do_mprotect_pkey+0x556/0x6f0 mm/mprotect.c:625
 __do_sys_mprotect mm/mprotect.c:651 [inline]
 __se_sys_mprotect mm/mprotect.c:648 [inline]
 __x64_sys_mprotect+0x44/0x50 mm/mprotect.c:648
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffffc90003b9a1b0 of 8 bytes by task 22214 on cpu 0:
 direct_page_fault+0x1c5/0x770 arch/x86/kvm/mmu/mmu.c:3717
 kvm_tdp_page_fault+0x92/0xa0 arch/x86/kvm/mmu/mmu.c:3805
 kvm_mmu_do_page_fault arch/x86/kvm/mmu.h:112 [inline]
 kvm_mmu_page_fault+0xca/0x3c0 arch/x86/kvm/mmu/mmu.c:5074
 handle_ept_violation+0x277/0x350 arch/x86/kvm/vmx/vmx.c:5337
 vmx_handle_exit+0x2fd/0x7e0 arch/x86/kvm/vmx/vmx.c:6048
 vcpu_enter_guest+0x1a26/0x2530 arch/x86/kvm/x86.c:9081
 vcpu_run+0x24e/0x680 arch/x86/kvm/x86.c:9147
 kvm_arch_vcpu_ioctl_run+0x443/0x820 arch/x86/kvm/x86.c:9374
 kvm_vcpu_ioctl+0x562/0x8f0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3282
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:739
 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:739
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 22214 Comm: syz-executor.5 Not tainted 5.11.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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