On Tue, Jun 06, 2017 at 05:57:05PM +0800, Su Yue wrote:
> Since 'iterate_dir_item' checks name_len in its way,
> so use 'btrfs_is_name_len_valid' not 'verify_dir_item' to make more strict
> name_len check.
>
> Signed-off-by: Su Yue <suy.fnst@xxxxxxxxxxxxxx>
> ---
> fs/btrfs/send.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
> index fc496a6f842a..f0e33f7f221e 100644
> --- a/fs/btrfs/send.c
> +++ b/fs/btrfs/send.c
> @@ -1069,6 +1069,12 @@ static int iterate_dir_item(struct btrfs_root *root, struct btrfs_path *path,
> }
> }
>
> + ret = btrfs_is_name_len_valid(eb, path->slots[0],
> + (unsigned long)(di + 1), name_len + data_len);
> + if (!ret) {
> + ret = -ENAMETOOLONG;
Nikolai pointed out in previous patch iteration that this should be EIO,
I'm fixing it at commit time.
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