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avformat/mxfdec: Fix memleak of primer_packs

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Fixes: asan_static-oob_87d116_10_201.mxf
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-10-15 02:16:18 +02:00
parent e3b28f10bb
commit aae4f5108d
1 changed files with 4 additions and 0 deletions
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4
libavformat/mxfdec.c
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@ -426,6 +426,10 @@ static int mxf_read_primer_pack(void *arg, AVIOContext *pb, int tag, int size, U
av_log(mxf->fc, AV_LOG_ERROR, "item_num %d is too large\n", item_num);
return AVERROR_INVALIDDATA;
}
if (mxf->local_tags)
av_log(mxf->fc, AV_LOG_VERBOSE, "Multiple primer packs\n");
av_free(mxf->local_tags);
mxf->local_tags_count = 0;
mxf->local_tags = av_calloc(item_num, item_len);
if (!mxf->local_tags)
return AVERROR(ENOMEM);