mov: Free an earlier allocated array if allocating a new one

It could probably also be considered an error if the pointer isn't
null at this point, but then we might risk rejecting some
slightly broken files that we might have handled so far.

Sample-Id: 00000496-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2014-01-13 14:46:07 +02:00
parent d51f09962d
commit 2620df1310

View File

@ -1717,6 +1717,7 @@ static int mov_read_stts(MOVContext *c, AVIOContext *pb, MOVAtom atom)
if (entries >= UINT_MAX / sizeof(*sc->stts_data))
return AVERROR(EINVAL);
av_free(sc->stts_data);
sc->stts_data = av_malloc(entries * sizeof(*sc->stts_data));
if (!sc->stts_data)
return AVERROR(ENOMEM);