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BUG: KCSAN: data-race in __lru_add_drain_all / folios_put_refs

write to 0xffff888237c2ac08 of 1 bytes by task 24606 on cpu 0:
 folio_batch_reinit include/linux/pagevec.h:50 [inline]
 folios_put_refs+0x293/0x2e0 mm/swap.c:1028
 folios_put include/linux/mm.h:1565 [inline]
 folio_batch_move_lru+0x298/0x2c0 mm/swap.c:240
 folio_batch_add_and_move mm/swap.c:249 [inline]
 folio_add_lru mm/swap.c:532 [inline]
 folio_add_lru_vma+0x105/0x170 mm/swap.c:552
 wp_page_copy mm/memory.c:3331 [inline]
 do_wp_page+0x1556/0x1e70 mm/memory.c:3660
 handle_pte_fault mm/memory.c:5316 [inline]
 __handle_mm_fault mm/memory.c:5441 [inline]
 handle_mm_fault+0xb7f/0x27e0 mm/memory.c:5606
 do_user_addr_fault arch/x86/mm/fault.c:1362 [inline]
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x3eb/0x6d0 arch/x86/mm/fault.c:1563
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623

read to 0xffff888237c2ac08 of 1 bytes by task 24604 on cpu 1:
 folio_batch_count include/linux/pagevec.h:56 [inline]
 cpu_needs_drain mm/swap.c:810 [inline]
 __lru_add_drain_all+0x137/0x420 mm/swap.c:904
 lru_cache_disable+0x1f/0x30 mm/swap.c:957
 do_mbind mm/mempolicy.c:1307 [inline]
 kernel_mbind mm/mempolicy.c:1532 [inline]
 __do_sys_mbind mm/mempolicy.c:1606 [inline]
 __se_sys_mbind+0x48c/0x1030 mm/mempolicy.c:1602
 __x64_sys_mbind+0x78/0x90 mm/mempolicy.c:1602
 x64_sys_call+0x1cee/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:238
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x01 -> 0x00

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 24604 Comm: syz-executor.1 Not tainted 6.9.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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