vobsub_read_packet() didn't check whether an index in array of AVPackets
was valid and therefore used uninitialized values.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
Actually I only wanted to use Valgrind to check for memleaks...
libavformat/mpeg.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index 73ade71d95..474afd06b9 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -930,6 +930,10 @@ static int vobsub_read_packet(AVFormatContext *s, AVPacket
*pkt)
FFDemuxSubtitlesQueue *tmpq = &vobsub->q[i];
int64_t ts;
av_assert0(tmpq->nb_subs);
+
+ if (tmpq->current_sub_idx >= tmpq->nb_subs)
+ continue;
+
ts = tmpq->subs[tmpq->current_sub_idx].pts;
if (ts < min_ts) {
min_ts = ts;
--
2.20.1
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