[FFmpeg-cvslog] avformat/mov: Do not zero memory that is written too or unused
Michael Niedermayer
git at videolan.org
Thu Apr 1 12:50:01 EEST 2021
ffmpeg | branch: release/4.4 | Michael Niedermayer <michael at niedermayer.cc> | Sun Mar 21 18:08:43 2021 +0100| [5978b8bd9ce1680bbe412815d8a40ca2089177ab] | committer: Michael Niedermayer
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 at niedermayer.cc>
(cherry picked from commit c1fe1114bc4c2f6da764f0eca792cf03c82c3422)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5978b8bd9ce1680bbe412815d8a40ca2089177ab
---
libavformat/mov.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 73b9ad814e..50234f3b5f 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -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);
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