On Mon, May 27, 2013 at 07:20:41PM +0200, Anton Khirnov wrote:
> ---
>  libavcodec/wavpack.c |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
> index 073059b..3cc0533 100644
> --- a/libavcodec/wavpack.c
> +++ b/libavcodec/wavpack.c
> @@ -1212,6 +1212,11 @@ static int wavpack_decode_frame(AVCodecContext *avctx, 
> void *data,
>          buf_size -= frame_size;
>      }
>  
> +    if (s->ch_offset != avctx->channels) {
> +        av_log(avctx, AV_LOG_ERROR, "Too few blocks in a packet.\n");
> +        return AVERROR_INVALIDDATA;
> +    }
> +
>      *got_frame_ptr = 1;
>  
>      return avpkt->size;
> -- 

the same as the previous patch
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