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avformat/takdec: Check for multiple streaminfo

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Fixes: memleak
Fixes: 15446/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5662875831500800

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 2019-07-02 21:11:57 +02:00
parent fff2bdc8b8
commit bb326795d1
1 changed files with 2 additions and 0 deletions
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2
libavformat/takdec.c
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@ -80,6 +80,8 @@ static int tak_read_header(AVFormatContext *s)
switch (type) {
case TAK_METADATA_STREAMINFO:
if (st->codecpar->extradata)
return AVERROR_INVALIDDATA;
case TAK_METADATA_LAST_FRAME:
case TAK_METADATA_ENCODER:
if (size <= 3)