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

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>
This commit is contained in:
Michael Niedermayer 2021-03-21 18:08:43 +01:00
parent 87d87e6587
commit c1fe1114bc

View File

@ -3022,7 +3022,7 @@ static int mov_read_sdtp(MOVContext *c, AVIOContext *pb, MOVAtom atom)
av_freep(&sc->sdtp_data);
sc->sdtp_count = 0;
sc->sdtp_data = av_mallocz(entries);
sc->sdtp_data = av_malloc(entries);
if (!sc->sdtp_data)
return AVERROR(ENOMEM);