==================================================================
BUG: KCSAN: data-race in __es_find_extent_range / __es_find_extent_range

write to 0xffff88810a9ee968 of 8 bytes by task 16493 on cpu 1:
 __es_find_extent_range+0x212/0x300 fs/ext4/extents_status.c:296
 ext4_es_find_extent_range+0x91/0x260 fs/ext4/extents_status.c:318
 ext4_ext_put_gap_in_cache fs/ext4/extents.c:2284 [inline]
 ext4_ext_map_blocks+0x120d/0x36c0 fs/ext4/extents.c:4191
 ext4_da_map_blocks fs/ext4/inode.c:1793 [inline]
 ext4_da_get_block_prep+0x435/0xa70 fs/ext4/inode.c:1870
 __block_write_begin_int+0x349/0xe50 fs/buffer.c:2034
 __block_write_begin+0x5e/0x110 fs/buffer.c:2084
 ext4_da_write_begin+0x2fa/0x610 fs/ext4/inode.c:3084
 generic_perform_write+0x1c3/0x3d0 mm/filemap.c:3926
 ext4_buffered_write_iter+0x234/0x3e0 fs/ext4/file.c:289
 ext4_file_write_iter+0xd7/0x10e0
 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:1023
 splice_direct_to_actor+0x2ee/0x5f0 fs/splice.c:978
 do_splice_direct+0x104/0x180 fs/splice.c:1066
 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 0xffff88810a9ee968 of 8 bytes by task 16505 on cpu 0:
 __es_find_extent_range+0x79/0x300 fs/ext4/extents_status.c:270
 ext4_es_find_extent_range+0x91/0x260 fs/ext4/extents_status.c:318
 ext4_ext_put_gap_in_cache fs/ext4/extents.c:2284 [inline]
 ext4_ext_map_blocks+0x120d/0x36c0 fs/ext4/extents.c:4191
 ext4_map_blocks+0x2a0/0x1050 fs/ext4/inode.c:576
 ext4_mpage_readpages+0x699/0x1440 fs/ext4/readpage.c:300
 ext4_readahead+0x97/0xa0 fs/ext4/inode.c:3321
 read_pages+0xa6/0x560 mm/readahead.c:161
 page_cache_ra_unbounded+0x2a9/0x2e0 mm/readahead.c:270
 do_page_cache_ra mm/readahead.c:300 [inline]
 page_cache_ra_order mm/readahead.c:560 [inline]
 ondemand_readahead+0x550/0x6c0 mm/readahead.c:682
 page_cache_async_ra+0x9d/0xb0 mm/readahead.c:731
 filemap_readahead mm/filemap.c:2573 [inline]
 filemap_get_pages+0x38c/0xea0 mm/filemap.c:2614
 filemap_read+0x223/0x680 mm/filemap.c:2693
 generic_file_read_iter+0x76/0x320 mm/filemap.c:2840
 ext4_file_read_iter+0x1cc/0x290
 call_read_iter include/linux/fs.h:1845 [inline]
 generic_file_splice_read+0xe3/0x290 fs/splice.c:402
 do_splice_to fs/splice.c:885 [inline]
 splice_direct_to_actor+0x25a/0x5f0 fs/splice.c:957
 do_splice_direct+0x104/0x180 fs/splice.c:1066
 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: 0xffff88810aa35578 -> 0xffff88810aa35348

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 16505 Comm: syz-executor.4 Not tainted 6.2.0-syzkaller-13277-g2eb29d59ddf0-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
==================================================================
EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 1440 with max blocks 2048 with error 28
syz-executor.4 (16505) used greatest stack depth: 9608 bytes left