On 10.12.2016 20:15, Michael Niedermayer wrote:
> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> ---
> libavformat/utils.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/utils.c b/libavformat/utils.c
> index 9e979a7c79..897352924d 100644
> --- a/libavformat/utils.c
> +++ b/libavformat/utils.c
> @@ -4217,8 +4217,11 @@ AVStream *avformat_new_stream(AVFormatContext *s,
> const AVCodec *c)
> int i;
> AVStream **streams;
>
> - if (s->nb_streams >= FFMIN(s->max_streams, INT_MAX/sizeof(*streams)))
> + if (s->nb_streams >= FFMIN(s->max_streams, INT_MAX/sizeof(*streams))) {
> + if (s->max_streams < INT_MAX/sizeof(*streams))
> + av_log(s, AV_LOG_ERROR, "Number of streams exceeds max_streams
> parameter (%d), see the documentation if you wish to increase it\n",
> s->max_streams);
> return NULL;
> + }
> streams = av_realloc_array(s->streams, s->nb_streams + 1,
> sizeof(*streams));
> if (!streams)
> return NULL;
>
This is probably OK.
Best regards,
Andreas
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