From e64315d82cad7db55aec37df7244106c9be00b9a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 20 Sep 2023 01:32:56 +0200 Subject: [PATCH] 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 (cherry picked from commit 52d666edec73c834c60811e330f86a7cf1d916da) Signed-off-by: Michael Niedermayer --- 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;