[alsa-devel] [alsa-lib][PATCH v2] ctl: add dimension validator

[Takashi Iwai]

On Thu, 07 Jul 2016 23:33:17 +0200,
Takashi Sakamoto wrote:
> 
> Linux 4.7 or former have no validator of dimension information. This can
> causes an issue related to user-defined element set. For example, When
> calculated total members in multi-dimensional matrix is larger than actual
> capacity of snd_ctl_elem_value_t, processes to handle the element can
> cause buffer-over-run.
> 
> For backward portability of this userspace library, this commit adds a
> validator of dimension information. When userspace applications give
> invalid dimension information to APIs to add element set, they receive
> -EINVAL.
> 
> Signed-off-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>

Applied, thanks.


Takashi