Re: [PATCH] hfsplus: return EIO when type of hidden directory mismatch in hfsplus_fill_super()

From: Viacheslav Dubeyko
Date: Fri Aug 08 2025 - 16:00:28 EST


On Tue, 2025-08-05 at 10:58 -0600, Yangtao Li wrote:
> If Catalog File contains corrupted record for the case of
> hidden directory's type, regard it as I/O error instead of
> Invalid argument.
>
> Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
> ---
>  fs/hfsplus/super.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
> index 86351bdc8985..55f42b349a5e 100644
> --- a/fs/hfsplus/super.c
> +++ b/fs/hfsplus/super.c
> @@ -524,7 +524,7 @@ static int hfsplus_fill_super(struct super_block
> *sb, struct fs_context *fc)
>   if (!hfs_brec_read(&fd, &entry, sizeof(entry))) {
>   hfs_find_exit(&fd);
>   if (entry.type != cpu_to_be16(HFSPLUS_FOLDER)) {
> - err = -EINVAL;
> + err = -EIO;

Potentially, we could consider to add an error or warning message that
informs a user about file system corruption.

>   goto out_put_root;
>   }
>   inode = hfsplus_iget(sb,
> be32_to_cpu(entry.folder.id));

Looks good.

Reviewed-by: Viacheslav Dubeyko <slava@xxxxxxxxxxx>

Thanks,
Slava.