This fixes infinite loops due to seeking back.
---
libavformat/asfdec_o.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/asfdec_o.c b/libavformat/asfdec_o.c
index b81519f..4a3c815 100644
--- a/libavformat/asfdec_o.c
+++ b/libavformat/asfdec_o.c
@@ -1287,6 +1287,10 @@ static int asf_read_payload(AVFormatContext *s, AVPacket
*pkt)
}
if (!asf_pkt) {
if (asf->packet_offset + asf->packet_size <= asf->data_offset +
asf->data_size) {
+ if (!asf->packet_size) {
+ av_log(s, AV_LOG_ERROR, "Invalid packet size 0.\n");
+ return AVERROR_INVALIDDATA;
+ }
avio_seek(pb, asf->packet_offset + asf->packet_size, SEEK_SET);
av_log(s, AV_LOG_WARNING, "Skipping the stream with the
invalid stream index %d.\n",
asf->stream_index);
--
2.6.4
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