[FFmpeg-cvslog] avformat/4xm: Check for duplicate track ids
Michael Niedermayer
git at videolan.org
Thu Dec 16 23:36:10 EET 2021
ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Tue Dec 7 09:14:09 2021 +0100| [dd949124793c722ed55dead9da245574ace81968] | committer: Michael Niedermayer
avformat/4xm: Check for duplicate track ids
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dd949124793c722ed55dead9da245574ace81968
---
libavformat/4xm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/4xm.c b/libavformat/4xm.c
index 848991af5b..e307560014 100644
--- a/libavformat/4xm.c
+++ b/libavformat/4xm.c
@@ -149,6 +149,9 @@ static int parse_strk(AVFormatContext *s,
memset(&fourxm->tracks[fourxm->track_count], 0,
sizeof(AudioTrack) * (track + 1 - fourxm->track_count));
fourxm->track_count = track + 1;
+ } else {
+ if (fourxm->tracks[track].bits)
+ return AVERROR_INVALIDDATA;
}
fourxm->tracks[track].adpcm = AV_RL32(buf + 12);
fourxm->tracks[track].channels = AV_RL32(buf + 36);
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