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BUG: KCSAN: data-race in delete_from_page_cache_batch / folio_mapping

write to 0xffffea0004aa9518 of 8 bytes by task 15612 on cpu 0:
 page_cache_delete_batch mm/filemap.c:308 [inline]
 delete_from_page_cache_batch+0x31b/0x770 mm/filemap.c:334
 truncate_inode_pages_range+0x305/0x870 mm/truncate.c:370
 truncate_pagecache_range+0x80/0x90 mm/truncate.c:867
 ext4_punch_hole+0x333/0x7c0 fs/ext4/inode.c:4077
 ext4_fallocate+0x1f6/0x440 fs/ext4/extents.c:4708
 vfs_fallocate+0x355/0x3d0 fs/open.c:323
 ksys_fallocate fs/open.c:346 [inline]
 __do_sys_fallocate fs/open.c:354 [inline]
 __se_sys_fallocate fs/open.c:352 [inline]
 __x64_sys_fallocate+0x75/0xc0 fs/open.c:352
 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+0x63/0xcd

read to 0xffffea0004aa9518 of 8 bytes by task 1925 on cpu 1:
 folio_mapping+0x8e/0x110 mm/util.c:778
 folio_evictable mm/internal.h:138 [inline]
 lru_add_fn+0x81/0x410 mm/swap.c:210
 folio_batch_move_lru+0x1e1/0x2a0 mm/swap.c:246
 lru_add_drain_cpu+0x73/0x250 mm/swap.c:669
 lru_add_and_bh_lrus_drain mm/swap.c:787 [inline]
 lru_add_drain_per_cpu+0x21/0x70 mm/swap.c:808
 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0x78f/0xa70 kernel/workqueue.c:2441
 kthread+0x1a9/0x1e0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

value changed: 0xffff8881315447b0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 1925 Comm: kworker/1:6 Tainted: G        W          6.1.0-rc3-syzkaller-00035-gf526d6a82242-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: mm_percpu_wq lru_add_drain_per_cpu
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