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BUG: KCSAN: data-race in __lru_add_drain_all / __pagevec_lru_add

write to 0xffff888237d27968 of 1 bytes by task 2823 on cpu 1:
 pagevec_reinit include/linux/pagevec.h:57 [inline]
 __pagevec_lru_add+0x2f5/0x320 mm/swap.c:1065
 folio_add_lru+0x112/0x160 mm/swap.c:467
 shmem_getpage_gfp+0xafc/0x1750 mm/shmem.c:1944
 shmem_fault+0xd2/0x350 mm/shmem.c:2116
 __do_fault mm/memory.c:4165 [inline]
 do_read_fault mm/memory.c:4511 [inline]
 do_fault+0x500/0xb20 mm/memory.c:4640
 handle_pte_fault mm/memory.c:4903 [inline]
 __handle_mm_fault mm/memory.c:5042 [inline]
 handle_mm_fault+0x889/0xa90 mm/memory.c:5140
 faultin_page mm/gup.c:953 [inline]
 __get_user_pages+0x34a/0xbf0 mm/gup.c:1174
 populate_vma_page_range mm/gup.c:1518 [inline]
 __mm_populate+0x26e/0x3a0 mm/gup.c:1631
 mm_populate include/linux/mm.h:2706 [inline]
 vm_mmap_pgoff+0x160/0x1f0 mm/util.c:557
 ksys_mmap_pgoff+0xc2/0x320 mm/mmap.c:1633
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

read to 0xffff888237d27968 of 1 bytes by task 2818 on cpu 0:
 pagevec_count include/linux/pagevec.h:62 [inline]
 __lru_add_drain_all+0x118/0x3e0 mm/swap.c:826
 lru_cache_disable+0x1b/0x20 mm/swap.c:886
 do_mbind+0x416/0x8b0 mm/mempolicy.c:1292
 kernel_mbind mm/mempolicy.c:1470 [inline]
 __do_sys_mbind mm/mempolicy.c:1548 [inline]
 __se_sys_mbind+0x13b/0x3f0 mm/mempolicy.c:1544
 __x64_sys_mbind+0x74/0x80 mm/mempolicy.c:1544
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

value changed: 0x01 -> 0x00

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 2818 Comm: syz-executor.3 Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
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