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BUG: KCSAN: data-race in delete_from_page_cache_batch / folio_mapping

write to 0xffffea000505f6d8 of 8 bytes by task 3135 on cpu 1:
 page_cache_delete_batch mm/filemap.c:310 [inline]
 delete_from_page_cache_batch+0x32d/0x750 mm/filemap.c:336
 truncate_inode_pages_range+0x34f/0x800 mm/truncate.c:369
 truncate_inode_pages mm/truncate.c:448 [inline]
 truncate_inode_pages_final+0x58/0x60 mm/truncate.c:483
 ext4_evict_inode+0x282/0xee0 fs/ext4/inode.c:221
 evict+0x1aa/0x410 fs/inode.c:665
 iput_final fs/inode.c:1748 [inline]
 iput+0x42c/0x5b0 fs/inode.c:1774
 do_unlinkat+0x2b3/0x4f0 fs/namei.c:4323
 __do_sys_unlink fs/namei.c:4364 [inline]
 __se_sys_unlink fs/namei.c:4362 [inline]
 __x64_sys_unlink+0x30/0x40 fs/namei.c:4362
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffffea000505f6d8 of 8 bytes by task 3131 on cpu 0:
 folio_mapping+0x92/0x110 mm/util.c:774
 folio_evictable mm/internal.h:156 [inline]
 lru_add_fn+0x92/0x450 mm/swap.c:181
 folio_batch_move_lru+0x21e/0x300 mm/swap.c:217
 folio_batch_add_and_move mm/swap.c:234 [inline]
 folio_add_lru+0xf5/0x140 mm/swap.c:517
 folio_add_lru_vma+0x48/0x60 mm/swap.c:537
 do_anonymous_page mm/memory.c:4092 [inline]
 handle_pte_fault mm/memory.c:4907 [inline]
 __handle_mm_fault mm/memory.c:5051 [inline]
 handle_mm_fault+0x1747/0x21d0 mm/memory.c:5197
 do_user_addr_fault arch/x86/mm/fault.c:1407 [inline]
 handle_page_fault arch/x86/mm/fault.c:1498 [inline]
 exc_page_fault+0x45f/0x640 arch/x86/mm/fault.c:1554
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570

value changed: 0xffff88810a5748f0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3131 Comm: syz-fuzzer Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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