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BUG: KCSAN: data-race in __lru_add_drain_all / folio_batch_move_lru

write to 0xffff888237c29f88 of 1 bytes by task 8466 on cpu 0:
 folio_batch_reinit include/linux/pagevec.h:48 [inline]
 folio_batch_move_lru+0x2bf/0x2f0 mm/swap.c:225
 folio_batch_add_and_move mm/swap.c:234 [inline]
 folio_add_lru mm/swap.c:517 [inline]
 folio_add_lru_vma+0xf4/0x160 mm/swap.c:537
 do_anonymous_page mm/memory.c:4323 [inline]
 do_pte_missing mm/memory.c:3743 [inline]
 handle_pte_fault mm/memory.c:5144 [inline]
 __handle_mm_fault mm/memory.c:5285 [inline]
 handle_mm_fault+0x1d9d/0x27b0 mm/memory.c:5450
 faultin_page mm/gup.c:958 [inline]
 __get_user_pages+0x402/0xe40 mm/gup.c:1241
 __get_user_pages_locked mm/gup.c:1509 [inline]
 __gup_longterm_locked+0xeb7/0x14f0 mm/gup.c:2211
 pin_user_pages_remote+0x114/0x170 mm/gup.c:3358
 process_vm_rw_single_vec mm/process_vm_access.c:106 [inline]
 process_vm_rw_core mm/process_vm_access.c:216 [inline]
 process_vm_rw+0x4f6/0x8c0 mm/process_vm_access.c:284
 __do_sys_process_vm_writev mm/process_vm_access.c:304 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:299 [inline]
 __x64_sys_process_vm_writev+0x7a/0x90 mm/process_vm_access.c:299
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffff888237c29f88 of 1 bytes by task 8465 on cpu 1:
 folio_batch_count include/linux/pagevec.h:53 [inline]
 cpu_needs_drain mm/swap.c:795 [inline]
 __lru_add_drain_all+0x137/0x420 mm/swap.c:889
 lru_cache_disable+0x1f/0x20 mm/swap.c:942
 do_mbind mm/mempolicy.c:1263 [inline]
 kernel_mbind mm/mempolicy.c:1486 [inline]
 __do_sys_mbind mm/mempolicy.c:1560 [inline]
 __se_sys_mbind+0x487/0x1000 mm/mempolicy.c:1556
 __x64_sys_mbind+0x78/0x90 mm/mempolicy.c:1556
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0x01 -> 0x00

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 8465 Comm: syz-executor.5 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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