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BUG: KCSAN: data-race in __filemap_remove_folio / folio_mapping

write to 0xffffea0004f79858 of 8 bytes by task 19694 on cpu 1:
 page_cache_delete mm/filemap.c:145 [inline]
 __filemap_remove_folio+0x210/0x330 mm/filemap.c:225
 invalidate_complete_folio2 mm/truncate.c:586 [inline]
 invalidate_inode_pages2_range+0x506/0x790 mm/truncate.c:673
 __iomap_dio_rw+0x6ea/0x1050 fs/iomap/direct-io.c:576
 iomap_dio_rw+0x40/0x90 fs/iomap/direct-io.c:683
 ext4_dio_write_iter fs/ext4/file.c:597 [inline]
 ext4_file_write_iter+0x9e6/0x10e0 fs/ext4/file.c:708
 do_iter_write+0x418/0x700 fs/read_write.c:861
 vfs_iter_write+0x50/0x70 fs/read_write.c:902
 iter_file_splice_write+0x456/0x7d0 fs/splice.c:778
 do_splice_from fs/splice.c:856 [inline]
 direct_splice_actor+0x84/0xa0 fs/splice.c:1022
 splice_direct_to_actor+0x2ee/0x5f0 fs/splice.c:977
 do_splice_direct+0x104/0x180 fs/splice.c:1065
 do_sendfile+0x3b8/0x950 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64 fs/read_write.c:1309 [inline]
 __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1309
 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 0xffffea0004f79858 of 8 bytes by task 19704 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
 lru_add_drain_cpu+0x77/0x270 mm/swap.c:652
 lru_add_drain mm/swap.c:752 [inline]
 __pagevec_release+0x5f/0xe0 mm/swap.c:1059
 pagevec_release include/linux/pagevec.h:63 [inline]
 folio_batch_release include/linux/pagevec.h:132 [inline]
 invalidate_inode_pages2_range+0x6fc/0x790 mm/truncate.c:681
 __iomap_dio_rw+0x6ea/0x1050 fs/iomap/direct-io.c:576
 iomap_dio_rw+0x40/0x90 fs/iomap/direct-io.c:683
 ext4_dio_write_iter fs/ext4/file.c:597 [inline]
 ext4_file_write_iter+0x9e6/0x10e0 fs/ext4/file.c:708
 do_iter_write+0x418/0x700 fs/read_write.c:861
 vfs_iter_write+0x50/0x70 fs/read_write.c:902
 iter_file_splice_write+0x456/0x7d0 fs/splice.c:778
 do_splice_from fs/splice.c:856 [inline]
 direct_splice_actor+0x84/0xa0 fs/splice.c:1022
 splice_direct_to_actor+0x2ee/0x5f0 fs/splice.c:977
 do_splice_direct+0x104/0x180 fs/splice.c:1065
 do_sendfile+0x3b8/0x950 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64 fs/read_write.c:1309 [inline]
 __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1309
 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

value changed: 0xffff88810a5e2730 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 19704 Comm: syz-executor.5 Not tainted 6.3.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
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