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BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_end

write to 0xffffc9000202a160 of 8 bytes by task 11487 on cpu 1:
 kvm_mmu_notifier_invalidate_range_end+0x63/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:450
 mn_hlist_invalidate_end mm/mmu_notifier.c:553 [inline]
 __mmu_notifier_invalidate_range_end+0x19e/0x250 mm/mmu_notifier.c:573
 mmu_notifier_invalidate_range_end include/linux/mmu_notifier.h:472 [inline]
 try_to_unmap_one+0x1349/0x1740 mm/rmap.c:1694
 rmap_walk_anon+0x251/0x600 mm/rmap.c:1866
 rmap_walk+0x149/0x180 mm/rmap.c:1936
 try_to_unmap+0x14c/0x2e0 mm/rmap.c:1757
 __unmap_and_move mm/migrate.c:1111 [inline]
 unmap_and_move mm/migrate.c:1194 [inline]
 migrate_pages+0x12c6/0x1930 mm/migrate.c:1423
 do_mbind+0x8df/0x9f0 mm/mempolicy.c:1317
 kernel_mbind+0x10e/0x130 mm/mempolicy.c:1438
 __do_sys_mbind mm/mempolicy.c:1445 [inline]
 __se_sys_mbind mm/mempolicy.c:1441 [inline]
 __x64_sys_mbind+0x7e/0xa0 mm/mempolicy.c:1441
 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffffc9000202a160 of 8 bytes by task 11699 on cpu 0:
 kvm_mmu_notifier_invalidate_range_end+0x77/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:453
 mn_hlist_invalidate_end mm/mmu_notifier.c:553 [inline]
 __mmu_notifier_invalidate_range_end+0x19e/0x250 mm/mmu_notifier.c:573
 mmu_notifier_invalidate_range_end include/linux/mmu_notifier.h:472 [inline]
 try_to_unmap_one+0x1349/0x1740 mm/rmap.c:1694
 rmap_walk_file+0x240/0x590 mm/rmap.c:1920
 rmap_walk+0x10e/0x180 mm/rmap.c:1938
 try_to_munlock+0x8e/0xb0 mm/rmap.c:1789
 __munlock_isolated_page+0x85/0x190 mm/mlock.c:138
 __munlock_pagevec+0x316/0x690 mm/mlock.c:346
 munlock_vma_pages_range+0x52a/0x6b0 mm/mlock.c:499
 munlock_vma_pages_all mm/internal.h:306 [inline]
 exit_mmap+0x243/0x2f0 mm/mmap.c:3114
 __mmput kernel/fork.c:1088 [inline]
 mmput+0xe2/0x260 kernel/fork.c:1109
 exit_mm kernel/exit.c:485 [inline]
 do_exit+0x640/0x1880 kernel/exit.c:788
 do_group_exit+0xae/0x1a0 kernel/exit.c:899
 get_signal+0x2a7/0x1290 kernel/signal.c:2734
 do_signal+0x2b/0x670 arch/x86/kernel/signal.c:813
 exit_to_usermode_loop+0x24a/0x2c0 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:278 [inline]
 do_syscall_64+0x36e/0x390 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 11699 Comm: syz-executor.5 Not tainted 5.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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