Quoting Alexandra Hájková (2015-07-21 10:45:01)
> ---
> libavformat/asfdec.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
> index 467adec..a52ea0b 100644
> --- a/libavformat/asfdec.c
> +++ b/libavformat/asfdec.c
> @@ -777,6 +777,8 @@ static int asf_read_stream_properties(AVFormatContext *s,
> const GUIDParseTable *
> asf_st->span = span;
> asf_st->virtual_pkt_len = avio_rl16(pb);
> asf_st->virtual_chunk_len = avio_rl16(pb);
> + if (!asf_st->virtual_chunk_len || !asf_st->virtual_pkt_len)
> + return AVERROR_INVALIDDATA;
> avio_skip(pb, err_data_len - 5);
> } else
> avio_skip(pb, err_data_len - 1);
> @@ -1425,6 +1427,7 @@ static int asf_read_packet(AVFormatContext *s, AVPacket
> *pkt)
> ASFPacket *asf_pkt = &asf->asf_st[i]->pkt;
> if (asf_pkt && !asf_pkt->size_left && asf_pkt->data_size) {
> if (asf->asf_st[i]->span > 1 &&
> + asf->asf_st[i]->virtual_pkt_len &&
What is this condition for?
--
Anton Khirnov
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