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BUG: KCSAN: data-race in delete_from_page_cache_batch / folio_mapping

write to 0xffffea000432e798 of 8 bytes by task 3095 on cpu 1:
 page_cache_delete_batch mm/filemap.c:317 [inline]
 delete_from_page_cache_batch+0x309/0x710 mm/filemap.c:343
 truncate_inode_pages_range+0x1c5/0x6b0 mm/truncate.c:359
 truncate_inode_pages+0x24/0x30 mm/truncate.c:439
 kill_bdev block/bdev.c:85 [inline]
 blkdev_flush_mapping+0xc2/0x1c0 block/bdev.c:644
 blkdev_put_whole block/bdev.c:651 [inline]
 bdev_release+0x2f4/0x410 block/bdev.c:1075
 blkdev_release+0x15/0x20 block/fops.c:628
 __fput+0x2c1/0x660 fs/file_table.c:422
 ____fput+0x15/0x20 fs/file_table.c:450
 task_work_run+0x13a/0x1a0 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xbe/0x130 kernel/entry/common.c:218
 do_syscall_64+0xda/0x1d0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffffea000432e798 of 8 bytes by task 3175 on cpu 0:
 folio_mapping+0x96/0x110 mm/util.c:799
 folio_evictable mm/internal.h:256 [inline]
 lru_add_fn+0x8d/0x430 mm/swap.c:197
 folio_batch_move_lru+0x20c/0x2c0 mm/swap.c:233
 lru_add_drain_cpu+0x77/0x260 mm/swap.c:667
 lru_add_and_bh_lrus_drain mm/swap.c:781 [inline]
 lru_add_drain_per_cpu+0x26/0x80 mm/swap.c:802
 process_one_work kernel/workqueue.c:3267 [inline]
 process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
 worker_thread+0x526/0x730 kernel/workqueue.c:3429
 kthread+0x1d1/0x210 kernel/kthread.c:388
 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

value changed: 0xffff8881004c11a0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3175 Comm: kworker/0:4 Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: mm_percpu_wq lru_add_drain_per_cpu
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