==================================================================
BUG: KCSAN: data-race in ext4_es_lookup_extent / ext4_es_lookup_extent

write to 0xffff8882185dd430 of 8 bytes by task 7393 on cpu 0:
 ext4_es_lookup_extent+0x20d/0x510 fs/ext4/extents_status.c:952
 ext4_map_blocks+0xc2/0xf70 fs/ext4/inode.c:530
 _ext4_get_block+0x12d/0x2b0 fs/ext4/inode.c:791
 ext4_get_block_trans+0xf4/0x1d0 fs/ext4/inode.c:852
 ext4_dio_get_block+0x6f/0xb0 fs/ext4/inode.c:869
 get_more_blocks fs/direct-io.c:710 [inline]
 do_direct_IO+0x1409/0x59b0 fs/direct-io.c:995
 do_blockdev_direct_IO+0x6b7/0x4cc0 fs/direct-io.c:1327
 __blockdev_direct_IO+0x86/0xa0 fs/direct-io.c:1413
 ext4_direct_IO_write fs/ext4/inode.c:3788 [inline]
 ext4_direct_IO+0x6f5/0xf70 fs/ext4/inode.c:3915
 generic_file_direct_write+0x14d/0x2e0 mm/filemap.c:3230
 __generic_file_write_iter+0x17e/0x380 mm/filemap.c:3413
 ext4_file_write_iter+0x1fc/0xa40 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1870 [inline]
 new_sync_write+0x388/0x4a0 fs/read_write.c:483
 __vfs_write+0xb1/0xc0 fs/read_write.c:496

read to 0xffff8882185dd430 of 8 bytes by task 7385 on cpu 1:
 ext4_es_lookup_extent+0x1fa/0x510 fs/ext4/extents_status.c:952
 ext4_map_blocks+0xc2/0xf70 fs/ext4/inode.c:530
 _ext4_get_block+0x12d/0x2b0 fs/ext4/inode.c:791
 ext4_get_block_trans+0xf4/0x1d0 fs/ext4/inode.c:852
 ext4_dio_get_block+0x6f/0xb0 fs/ext4/inode.c:869
 get_more_blocks fs/direct-io.c:710 [inline]
 do_direct_IO+0x1409/0x59b0 fs/direct-io.c:995
 do_blockdev_direct_IO+0x6b7/0x4cc0 fs/direct-io.c:1327
 __blockdev_direct_IO+0x86/0xa0 fs/direct-io.c:1413
 ext4_direct_IO_write fs/ext4/inode.c:3788 [inline]
 ext4_direct_IO+0x6f5/0xf70 fs/ext4/inode.c:3915
 generic_file_direct_write+0x14d/0x2e0 mm/filemap.c:3230
 __generic_file_write_iter+0x17e/0x380 mm/filemap.c:3413
 ext4_file_write_iter+0x1fc/0xa40 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1870 [inline]
 new_sync_write+0x388/0x4a0 fs/read_write.c:483

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 7385 Comm: syz-executor.2 Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================