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avformat/mov: Do not zero memory that is written too or unused

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Fixes: OOM
Fixes: 31220/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6033383962574848

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 c1fe1114bc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-03-21 18:08:43 +01:00
parent 60d304ca92
commit c44458dcfa
1 changed files with 1 additions and 1 deletions
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2
libavformat/mov.c
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@ -3008,7 +3008,7 @@ static int mov_read_sdtp(MOVContext *c, AVIOContext *pb, MOVAtom atom)
av_freep(&sc->sdtp_data); av_freep(&sc->sdtp_data);
sc->sdtp_count = 0; sc->sdtp_count = 0;
sc->sdtp_data = av_mallocz(entries); sc->sdtp_data = av_malloc(entries);
if (!sc->sdtp_data) if (!sc->sdtp_data)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);