loop3: detected capacity change from 0 to 2048
==================================================================
BUG: KCSAN: data-race in __filemap_add_folio / kiocb_invalidate_post_direct_write

read-write to 0xffff88810adcd1b8 of 8 bytes by task 17344 on cpu 0:
 __filemap_add_folio+0x385/0x730 mm/filemap.c:907
 filemap_add_folio+0x6f/0x150 mm/filemap.c:942
 page_cache_ra_unbounded+0x15e/0x2e0 mm/readahead.c:250
 do_page_cache_ra mm/readahead.c:299 [inline]
 page_cache_ra_order mm/readahead.c:546 [inline]
 ondemand_readahead+0x550/0x6c0 mm/readahead.c:668
 page_cache_sync_ra+0x284/0x2a0 mm/readahead.c:695
 page_cache_sync_readahead include/linux/pagemap.h:1273 [inline]
 filemap_get_pages+0x254/0xea0 mm/filemap.c:2568
 filemap_read+0x1fb/0x670 mm/filemap.c:2663
 generic_file_read_iter+0x78/0x340 mm/filemap.c:2842
 call_read_iter include/linux/fs.h:1979 [inline]
 copy_splice_read+0x26b/0x4b0 fs/splice.c:365
 vfs_splice_read fs/splice.c:993 [inline]
 splice_direct_to_actor+0x2aa/0x690 fs/splice.c:1070
 do_splice_direct+0x10d/0x190 fs/splice.c:1195
 do_sendfile+0x3b6/0x9a0 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64 fs/read_write.c:1308 [inline]
 __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1308
 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 0xffff88810adcd1b8 of 8 bytes by task 17343 on cpu 1:
 kiocb_invalidate_post_direct_write+0x61/0x1b0 mm/filemap.c:3828
 dio_complete+0x21b/0x480 fs/direct-io.c:301
 __blockdev_direct_IO+0x1dee/0x1f80 fs/direct-io.c:1308
 blockdev_direct_IO include/linux/fs.h:3009 [inline]
 fat_direct_IO+0x110/0x1d0 fs/fat/inode.c:283
 generic_file_direct_write+0xb1/0x200 mm/filemap.c:3853
 __generic_file_write_iter+0xae/0x120 mm/filemap.c:4009
 generic_file_write_iter+0x7d/0x1c0 mm/filemap.c:4049
 do_iter_write+0x4b4/0x7b0 fs/read_write.c:860
 vfs_iter_write+0x56/0x70 fs/read_write.c:901
 iter_file_splice_write+0x462/0x7e0 fs/splice.c:737
 do_splice_from fs/splice.c:934 [inline]
 direct_splice_actor+0x8a/0xb0 fs/splice.c:1143
 splice_direct_to_actor+0x31d/0x690 fs/splice.c:1089
 do_splice_direct+0x10d/0x190 fs/splice.c:1195
 do_sendfile+0x3b6/0x9a0 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64 fs/read_write.c:1308 [inline]
 __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1308
 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: 0x000000000000001d -> 0x000000000000001e

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 17343 Comm: syz-executor.3 Tainted: G        W          6.5.0-syzkaller-01207-g1c59d383390f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
==================================================================
syz-executor.3: attempt to access beyond end of device
loop3: rw=2049, sector=2048, nr_sectors = 4 limit=2048