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avformat/mov: Check extradata in mov_read_iacb()

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Fixes: MemLeak
Fixes: 69853/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-4660448545275904

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 167bf8f61e671833c9d1234f12973e71c414b621)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-07-18 18:50:09 +02:00
parent b10323ef64
commit 996ce2b379
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1 changed files with 5 additions and 0 deletions
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5
libavformat/mov.c
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@ -896,6 +896,11 @@ static int mov_read_iacb(MOVContext *c, AVIOContext *pb, MOVAtom atom)
st = c->fc->streams[c->fc->nb_streams - 1]; st = c->fc->streams[c->fc->nb_streams - 1];
sc = st->priv_data; sc = st->priv_data;
if (st->codecpar->extradata) {
av_log(c->fc, AV_LOG_WARNING, "ignoring iacb\n");
return 0;
}
sc->iamf = av_mallocz(sizeof(*sc->iamf)); sc->iamf = av_mallocz(sizeof(*sc->iamf));
if (!sc->iamf) if (!sc->iamf)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);