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BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_end

read-write to 0xffffc9000aed21b8 of 8 bytes by task 15367 on cpu 1:
 kvm_mmu_notifier_invalidate_range_end+0x45/0x90 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+0x12b4/0x1670 mm/rmap.c:1715
 rmap_walk_file+0x260/0x4f0 mm/rmap.c:1927
 rmap_walk mm/rmap.c:1945 [inline]
 try_to_munlock+0xe7/0x150 mm/rmap.c:1796
 __munlock_isolated_page mm/mlock.c:121 [inline]
 __munlock_pagevec+0x97d/0xc30 mm/mlock.c:322
 munlock_vma_pages_range+0x581/0x760 mm/mlock.c:475
 munlock_vma_pages_all mm/internal.h:347 [inline]
 exit_mmap+0x128/0x400 mm/mmap.c:3204
 __mmput+0xa2/0x220 kernel/fork.c:1082
 mmput+0x38/0x40 kernel/fork.c:1103
 exit_mm+0x32f/0x420 kernel/exit.c:501
 do_exit+0x41f/0x1690 kernel/exit.c:812
 do_group_exit+0xc8/0x170 kernel/exit.c:922
 get_signal+0xd7e/0x1470 kernel/signal.c:2773
 arch_do_signal_or_restart+0x2a/0x270 arch/x86/kernel/signal.c:811
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x109/0x1a0 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:302
 do_syscall_64+0x45/0x80 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffffc9000aed21b8 of 8 bytes by task 15317 on cpu 0:
 kvm_mmu_notifier_invalidate_range_end+0x59/0x90 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+0x12b4/0x1670 mm/rmap.c:1715
 rmap_walk_file+0x260/0x4f0 mm/rmap.c:1927
 rmap_walk mm/rmap.c:1945 [inline]
 try_to_munlock+0xe7/0x150 mm/rmap.c:1796
 __munlock_isolated_page mm/mlock.c:121 [inline]
 __munlock_pagevec+0x97d/0xc30 mm/mlock.c:322
 munlock_vma_pages_range+0x581/0x760 mm/mlock.c:475
 munlock_vma_pages_all mm/internal.h:347 [inline]
 exit_mmap+0x128/0x400 mm/mmap.c:3204
 __mmput+0xa2/0x220 kernel/fork.c:1082
 mmput+0x38/0x40 kernel/fork.c:1103
 exit_mm+0x32f/0x420 kernel/exit.c:501
 do_exit+0x41f/0x1690 kernel/exit.c:812
 do_group_exit+0xc8/0x170 kernel/exit.c:922
 get_signal+0xd7e/0x1470 kernel/signal.c:2773
 arch_do_signal_or_restart+0x2a/0x270 arch/x86/kernel/signal.c:811
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x109/0x1a0 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:302
 do_syscall_64+0x45/0x80 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 15317 Comm: syz-executor.1 Not tainted 5.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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