On 5/31/17 9:47 AM, Diego Biurrun wrote:
> From: Michael Niedermayer <[email protected]>
> 
> Fixes out of array access
> Fixes: 
> ce19e41f0ef1e52a23edc488faecdb58/asan_heap-oob_2504e97_4202_ffa0df1baed14022b9bfd4f8ac23d0cb.smk
> 
> Bug-Id: CVE-2015-8365
> CC: [email protected]
> 
> Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
> Signed-off-by: Michael Niedermayer <[email protected]>
> (cherry picked from commit 4a9af07a49295e014b059c1ab624c40345af5892)
> Signed-off-by: Diego Biurrun <[email protected]>
> ---
> 
> Fixed error message wording and error check placement.
> 
>  libavcodec/smacker.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c
> index c4b4bc7..d42347c 100644
> --- a/libavcodec/smacker.c
> +++ b/libavcodec/smacker.c
> @@ -636,6 +636,11 @@ static int smka_decode_frame(AVCodecContext *avctx, void 
> *data,
>          av_log(avctx, AV_LOG_ERROR, "sample format mismatch\n");
>          return AVERROR(EINVAL);
>      }
> +    if (unp_size % (avctx->channels * (bits + 1))) {
> +        av_log(avctx, AV_LOG_ERROR,
> +               "The buffer does not contain an integer number of samples\n");
> +        return AVERROR(EINVAL);
> +    }
>  
>      /* get output buffer */
>      frame->nb_samples = unp_size / (avctx->channels * (bits + 1));
> 

Ok for me.
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