[FFmpeg-cvslog] avformat/avs: Check if return code is representable
Michael Niedermayer
git at videolan.org
Fri Dec 22 01:52:46 EET 2023
ffmpeg | branch: release/4.4 | Michael Niedermayer <michael at niedermayer.cc> | Wed Sep 20 01:32:56 2023 +0200| [e64315d82cad7db55aec37df7244106c9be00b9a] | committer: Michael Niedermayer
avformat/avs: Check if return code is representable
Fixes: leak
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_dem_AVS_fuzzer-6738814988320768
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 52d666edec73c834c60811e330f86a7cf1d916da)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e64315d82cad7db55aec37df7244106c9be00b9a
---
libavformat/avs.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/avs.c b/libavformat/avs.c
index 097c171908..88694e951b 100644
--- a/libavformat/avs.c
+++ b/libavformat/avs.c
@@ -140,6 +140,10 @@ static int avs_read_audio_packet(AVFormatContext * s, AVPacket * pkt)
return 0; /* this indicate EOS */
if (ret < 0)
return ret;
+ if (size != (int)size) {
+ av_packet_unref(pkt);
+ return AVERROR(EDOM);
+ }
pkt->stream_index = avs->st_audio->index;
pkt->flags |= AV_PKT_FLAG_KEY;
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