[FFmpeg-devel] [PATCH] avcodec/libwebpenc_animencoder: Fix memory leak of WebPData in libwebp_anim_encode_frame()

Marton Balint cus at passwd.hu
Sun Apr 10 02:14:37 EEST 2022



On Wed, 23 Mar 2022, Andrey Volk wrote:

> Signed-off-by: Andrey Volk <andywolk at gmail.com>
> ---
> libavcodec/libwebpenc_animencoder.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)

Thanks, applied.

Regards,
Marton

>
> diff --git a/libavcodec/libwebpenc_animencoder.c
> b/libavcodec/libwebpenc_animencoder.c
> index 0f5b524335..29c0d8bb0f 100644
> --- a/libavcodec/libwebpenc_animencoder.c
> +++ b/libavcodec/libwebpenc_animencoder.c
> @@ -70,14 +70,18 @@ static int libwebp_anim_encode_frame(AVCodecContext
> *avctx, AVPacket *pkt,
>             ret = WebPAnimEncoderAssemble(s->enc, &assembled_data);
>             if (ret) {
>                 ret = ff_get_encode_buffer(avctx, pkt,
> assembled_data.size, 0);
> -                if (ret < 0)
> +                if (ret < 0) {
> +                    WebPDataClear(&assembled_data);
>                     return ret;
> +                }
>                 memcpy(pkt->data, assembled_data.bytes,
> assembled_data.size);
> +                WebPDataClear(&assembled_data);
>                 s->done = 1;
>                 pkt->pts = pkt->dts = s->first_frame_pts;
>                 *got_packet = 1;
>                 return 0;
>             } else {
> +                WebPDataClear(&assembled_data);
>                 av_log(s, AV_LOG_ERROR,
>                        "WebPAnimEncoderAssemble() failed with error: %d\n",
>                        VP8_ENC_ERROR_OUT_OF_MEMORY);
> -- 
> 2.33.0.windows.2
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