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lavf: check stream_index from read_packet() for validity.
author
Michael Niedermayer
<michaelni@gmx.at>
Tue, 11 Oct 2011 23:04:12 +0000
(
01:04
+0200)
committer
Michael Niedermayer
<michaelni@gmx.at>
Tue, 11 Oct 2011 23:04:12 +0000
(
01:04
+0200)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavformat/utils.c
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diff --git
a/libavformat/utils.c
b/libavformat/utils.c
index
d98a17a
..
5898295
100644
(file)
--- a/
libavformat/utils.c
+++ b/
libavformat/utils.c
@@
-762,6
+762,11
@@
int av_read_packet(AVFormatContext *s, AVPacket *pkt)
if(!(s->flags & AVFMT_FLAG_KEEP_SIDE_DATA))
av_packet_merge_side_data(pkt);
+ if(pkt->stream_index >= (unsigned)s->nb_streams){
+ av_log(s, AV_LOG_ERROR, "Invalid stream index %d\n", pkt->stream_index);
+ continue;
+ }
+
st= s->streams[pkt->stream_index];
switch(st->codec->codec_type){