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BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_end

write to 0xffffc90015211190 of 8 bytes by task 22839 on cpu 1:
 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_end include/linux/mmu_notifier.h:479 [inline]
 try_to_unmap_one+0x1454/0x1880 mm/rmap.c:1716
 rmap_walk_file+0x260/0x4f0 mm/rmap.c:1928
 rmap_walk mm/rmap.c:1946 [inline]
 try_to_munlock+0xe7/0x150 mm/rmap.c:1797
 __munlock_isolated_page mm/mlock.c:137 [inline]
 __munlock_pagevec+0x54d/0x7e0 mm/mlock.c:345
 munlock_vma_pages_range+0x591/0x790 mm/mlock.c:498
 munlock_vma_pages_all mm/internal.h:344 [inline]
 exit_mmap+0x128/0x3b0 mm/mmap.c:3167
 __mmput+0xa2/0x220 kernel/fork.c:1076
 mmput+0x38/0x40 kernel/fork.c:1097
 exit_mm+0x2c8/0x330 kernel/exit.c:483
 do_exit+0x40f/0x16c0 kernel/exit.c:793
 do_group_exit+0x17a/0x180 kernel/exit.c:903
 __do_sys_exit_group+0xb/0x10 kernel/exit.c:914
 __se_sys_exit_group+0x5/0x10 kernel/exit.c:912
 __x64_sys_exit_group+0x16/0x20 kernel/exit.c:912
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffffc90015211190 of 8 bytes by task 22848 on cpu 0:
 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_end include/linux/mmu_notifier.h:479 [inline]
 try_to_unmap_one+0x1454/0x1880 mm/rmap.c:1716
 rmap_walk_anon+0x25f/0x570 mm/rmap.c:1874
 rmap_walk mm/rmap.c:1944 [inline]
 try_to_munlock+0xfb/0x150 mm/rmap.c:1797
 __munlock_isolated_page mm/mlock.c:137 [inline]
 __munlock_pagevec+0x54d/0x7e0 mm/mlock.c:345
 munlock_vma_pages_range+0x591/0x790 mm/mlock.c:498
 munlock_vma_pages_all mm/internal.h:344 [inline]
 __do_munmap+0x455/0xca0 mm/mmap.c:2852
 do_munmap mm/mmap.c:2877 [inline]
 mmap_region+0x49c/0x1490 mm/mmap.c:1716
 do_mmap+0x77d/0xc90 mm/mmap.c:1545
 vm_mmap_pgoff+0xe5/0x170 mm/util.c:506
 ksys_mmap_pgoff+0x2a8/0x380 mm/mmap.c:1596
 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: 22848 Comm: syz-executor.1 Not tainted 5.9.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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