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BUG: KCSAN: data-race in ext4_fill_raw_inode / ext4_orphan_del

write to 0xffff8881244af17c of 4 bytes by task 2081 on cpu 1:
 ext4_orphan_del+0x568/0x6f0 fs/ext4/orphan.c:296
 ext4_handle_inode_extension fs/ext4/file.c:353 [inline]
 ext4_dio_write_iter fs/ext4/file.c:573 [inline]
 ext4_file_write_iter+0x1020/0x1210 fs/ext4/file.c:677
 do_iter_readv_writev+0x27b/0x300
 do_iter_write+0x16f/0x5c0 fs/read_write.c:852
 vfs_iter_write+0x4c/0x70 fs/read_write.c:893
 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x80/0xa0 fs/splice.c:936
 splice_direct_to_actor+0x345/0x660 fs/splice.c:891
 do_splice_direct+0xfb/0x180 fs/splice.c:979
 do_sendfile+0x3ad/0x900 fs/read_write.c:1246
 __do_sys_sendfile64 fs/read_write.c:1311 [inline]
 __se_sys_sendfile64 fs/read_write.c:1297 [inline]
 __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1297
 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+0x44/0xae

read to 0xffff8881244af17c of 4 bytes by task 2085 on cpu 0:
 ext4_fill_raw_inode+0x2b4/0xea0 fs/ext4/inode.c:4346
 ext4_do_update_inode fs/ext4/inode.c:5131 [inline]
 ext4_mark_iloc_dirty+0x364/0x860 fs/ext4/inode.c:5724
 __ext4_mark_inode_dirty+0x452/0x610 fs/ext4/inode.c:5920
 ext4_handle_inode_extension fs/ext4/file.c:332 [inline]
 ext4_dio_write_iter fs/ext4/file.c:573 [inline]
 ext4_file_write_iter+0xedb/0x1210 fs/ext4/file.c:677
 do_iter_readv_writev+0x27b/0x300
 do_iter_write+0x16f/0x5c0 fs/read_write.c:852
 vfs_iter_write+0x4c/0x70 fs/read_write.c:893
 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x80/0xa0 fs/splice.c:936
 splice_direct_to_actor+0x345/0x660 fs/splice.c:891
 do_splice_direct+0xfb/0x180 fs/splice.c:979
 do_sendfile+0x3ad/0x900 fs/read_write.c:1246
 __do_sys_sendfile64 fs/read_write.c:1311 [inline]
 __se_sys_sendfile64 fs/read_write.c:1297 [inline]
 __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1297
 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+0x44/0xae

value changed: 0x0000049b -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 2085 Comm: syz-executor.2 Not tainted 5.18.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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