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BUG: KCSAN: data-race in folio_mapping / page_cache_delete

write to 0xffffea0004df9798 of 8 bytes by task 3525 on cpu 1:
 page_cache_delete+0x33e/0x390 mm/filemap.c:143
 __filemap_remove_folio+0x3b/0xf0 mm/filemap.c:223
 invalidate_complete_folio2 mm/truncate.c:594 [inline]
 invalidate_inode_pages2_range+0x450/0x670 mm/truncate.c:682
 iomap_dio_complete+0x379/0x460 fs/iomap/direct-io.c:115
 iomap_dio_rw+0x5e/0x80 fs/iomap/direct-io.c:694
 ext4_dio_write_iter fs/ext4/file.c:566 [inline]
 ext4_file_write_iter+0xaa9/0x1210 fs/ext4/file.c:677
 do_iter_write+0x494/0x750 fs/read_write.c:855
 vfs_iter_write+0x4c/0x70 fs/read_write.c:896
 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0x80/0xa0 fs/splice.c:931
 splice_direct_to_actor+0x305/0x620 fs/splice.c:886
 do_splice_direct+0xfb/0x180 fs/splice.c:974
 do_sendfile+0x3bf/0x910 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1303
 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 0xffffea0004df9798 of 8 bytes by task 2021 on cpu 0:
 folio_mapping+0x8e/0x110 mm/util.c:806
 folio_evictable mm/internal.h:136 [inline]
 lru_add_fn+0x12e/0x520 mm/swap.c:210
 folio_batch_move_lru+0x1e1/0x2a0 mm/swap.c:246
 lru_add_drain_cpu+0x73/0x250 mm/swap.c:626
 lru_add_drain+0x21/0x60 mm/swap.c:730
 zap_page_range+0x5d/0x2a0 mm/memory.c:1749
 madvise_dontneed_single_vma mm/madvise.c:788 [inline]
 madvise_dontneed_free mm/madvise.c:871 [inline]
 madvise_vma_behavior mm/madvise.c:1010 [inline]
 madvise_walk_vmas mm/madvise.c:1232 [inline]
 do_madvise+0xb46/0x1af0 mm/madvise.c:1410
 __do_sys_madvise mm/madvise.c:1423 [inline]
 __se_sys_madvise mm/madvise.c:1421 [inline]
 __x64_sys_madvise+0x5d/0x70 mm/madvise.c:1421
 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

value changed: 0xffff88813510bbc0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 2021 Comm: syz-fuzzer Not tainted 6.0.0-rc2-syzkaller-00054-gc40e8341e3b3-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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