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BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_end

write to 0xffffc90003308190 of 8 bytes by task 459 on cpu 0:
 kvm_mmu_notifier_invalidate_range_end+0x58/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:516
 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_only_end include/linux/mmu_notifier.h:486 [inline]
 wp_page_copy+0x9c3/0x1710 mm/memory.c:2791
 do_wp_page+0x4c6/0x740 arch/x86/include/asm/atomic.h:95
 handle_pte_fault mm/memory.c:4241 [inline]
 __handle_mm_fault mm/memory.c:4358 [inline]
 handle_mm_fault+0x1899/0x1af0 mm/memory.c:4456
 do_user_addr_fault+0x380/0x770 arch/x86/mm/fault.c:1372
 handle_page_fault arch/x86/mm/fault.c:1429 [inline]
 exc_page_fault+0xb8/0x330 arch/x86/mm/fault.c:1482
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538

read to 0xffffc90003308190 of 8 bytes by task 473 on cpu 1:
 kvm_mmu_notifier_invalidate_range_end+0x6c/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:519
 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_only_end include/linux/mmu_notifier.h:486 [inline]
 wp_page_copy+0x9c3/0x1710 mm/memory.c:2791
 do_wp_page+0x4c6/0x740 arch/x86/include/asm/atomic.h:95
 handle_pte_fault mm/memory.c:4241 [inline]
 __handle_mm_fault mm/memory.c:4358 [inline]
 handle_mm_fault+0x1899/0x1af0 mm/memory.c:4456
 do_user_addr_fault+0x380/0x770 arch/x86/mm/fault.c:1372
 handle_page_fault arch/x86/mm/fault.c:1429 [inline]
 exc_page_fault+0xb8/0x330 arch/x86/mm/fault.c:1482
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 473 Comm: syz-executor.4 Not tainted 5.9.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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