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uavformat/rsd: check for EOF in extradata

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Fixes: OOM
Fixes: 26503/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-6530816735444992

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 7186ec88b9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-10-23 18:01:11 +02:00
parent c9138413c9
commit 8715db6e6d
1 changed files with 2 additions and 0 deletions
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2
libavformat/rsd.c
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@ -142,6 +142,8 @@ static int rsd_read_header(AVFormatContext *s)
return ret;
for (i = 0; i < par->channels; i++) {
if (avio_feof(pb))
return AVERROR_EOF;
avio_read(s->pb, st->codecpar->extradata + 32 * i, 32);
avio_skip(s->pb, 8);
}