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BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_start

write to 0xffffc90001422158 of 8 bytes by task 19023 on cpu 0:
 kvm_mmu_notifier_invalidate_range_start+0x6b/0x170 arch/x86/kvm/../../../virt/kvm/kvm_main.c:417
 mn_hlist_invalidate_range_start mm/mmu_notifier.c:464 [inline]
 __mmu_notifier_invalidate_range_start+0x27e/0x350 mm/mmu_notifier.c:493
 mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:440 [inline]
 mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:433 [inline]
 wp_page_copy+0xd3d/0xfa0 mm/memory.c:2436
 do_wp_page+0x192/0xd20 mm/memory.c:2724
 handle_pte_fault mm/memory.c:3961 [inline]
 __handle_mm_fault+0x1d16/0x2e00 mm/memory.c:4075
 handle_mm_fault+0x21b/0x530 mm/memory.c:4112
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x456/0x8d0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x194 arch/x86/mm/fault.c:1530
 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203

read to 0xffffc90001422158 of 8 bytes by task 19031 on cpu 1:
 kvm_mmu_notifier_invalidate_range_end+0x7b/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:456
 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_only_end include/linux/mmu_notifier.h:473 [inline]
 do_huge_pmd_wp_page+0x987/0x1a20 mm/huge_memory.c:1446
 wp_huge_pmd mm/memory.c:3846 [inline]
 __handle_mm_fault+0x1cfd/0x2e00 mm/memory.c:4065
 handle_mm_fault+0x21b/0x530 mm/memory.c:4112
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x456/0x8d0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x194 arch/x86/mm/fault.c:1530
 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203
 copy_user_enhanced_fast_string+0xe/0x30 arch/x86/lib/copy_user_64.S:204
 copy_to_user include/linux/uaccess.h:152 [inline]
 __do_sys_waitid+0x1ab/0x220 kernel/exit.c:1556
 __se_sys_waitid kernel/exit.c:1545 [inline]
 __x64_sys_waitid+0x70/0x90 kernel/exit.c:1545
 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: 1 PID: 19031 Comm: syz-executor.2 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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