[FFmpeg-devel] [PATCH 02/10] avformat/audiointerleave: Fix memleak

Marton Balint cus at passwd.hu
Tue Mar 31 22:44:33 EEST 2020



On Tue, 31 Mar 2020, Andreas Rheinhardt wrote:

> If ff_interleave_add_packet failed, the content of the newly created
> packet new_pkt would leak.
>
> Also, it is unnecessary to zero-initialize a packet that will be put
> into av_new_packet lateron as the latter already initializes the packet.
> Therefore this has been removed, too.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
> ---
> libavformat/audiointerleave.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/libavformat/audiointerleave.c b/libavformat/audiointerleave.c
> index 2e83031bd6..f10c83d7c9 100644
> --- a/libavformat/audiointerleave.c
> +++ b/libavformat/audiointerleave.c
> @@ -134,10 +134,12 @@ int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt
>     for (i = 0; i < s->nb_streams; i++) {
>         AVStream *st = s->streams[i];
>         if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
> -            AVPacket new_pkt = { 0 };
> +            AVPacket new_pkt;
>             while ((ret = interleave_new_audio_packet(s, &new_pkt, i, flush)) > 0) {
> -                if ((ret = ff_interleave_add_packet(s, &new_pkt, compare_ts)) < 0)
> +                if ((ret = ff_interleave_add_packet(s, &new_pkt, compare_ts)) < 0) {
> +                    av_packet_unref(&new_pkt);
>                     return ret;
> +                }
>             }
>             if (ret < 0)
>                 return ret;

LGTM, thanks.

Marton


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