[PATCH] erofs: fix incorrect symlink detection in fast symlink

[Gao Xiang]

On 2024/9/9 10:28, Gao Xiang wrote:
> Fast symlink can be used if the on-disk symlink data is stored
> in the same block as the on-disk inode, so we don’t need to trigger
> another I/O for symlink data.  However, correctly fs correction could be
> reported _incorrectly_ if inode xattrs are too large.
> 
> In fact, these should be valid images although they cannot be handled as
> fast symlinks.
> 
> Many thanks to Colin for reporting this!
> 
> Reported-by: Colin Walters <walters at verbum.org>
> Signed-off-by: Gao Xiang <hsiangkao at linux.alibaba.com>

Fixes: 431339ba9042 ("staging: erofs: add inode operations")

Thanks,
Gao Xiang