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Code Issues Releases Activity

avformat/mov: Check extradata before access

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Fixes NULL ptr dereference
Fixes Ticket5778

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-08-16 18:07:11 +02:00
parent b438c2025c
commit ae0192ef5f
1 changed files with 3 additions and 2 deletions
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5
libavformat/mov.c
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@ -4830,8 +4830,9 @@ static int mov_read_close(AVFormatContext *s)
av_freep(&sc->rap_group);
av_freep(&sc->display_matrix);
for (j = 0; j < sc->stsd_count; j++)
av_free(sc->extradata[j]);
if (sc->extradata)
for (j = 0; j < sc->stsd_count; j++)
av_free(sc->extradata[j]);
av_freep(&sc->extradata);
av_freep(&sc->extradata_size);