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vorbisdec: Check memory allocations

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This commit is contained in:
Vittorio Giovara 2015-02-02 01:57:15 +01:00
parent ec17782e17
commit 31dc73e92a
1 changed files with 9 additions and 4 deletions
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13
libavcodec/vorbisdec.c
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@ -369,10 +369,15 @@ static int vorbis_parse_setup_hdr_codebooks(vorbis_context *vc)
}
// Weed out unused vlcs and build codevector vector
codebook_setup->codevectors = used_entries ? av_mallocz(used_entries *
codebook_setup->dimensions *
sizeof(*codebook_setup->codevectors))
: NULL;
if (used_entries) {
codebook_setup->codevectors =
av_mallocz(used_entries * codebook_setup->dimensions *
sizeof(*codebook_setup->codevectors));
if (!codebook_setup->codevectors)
return AVERROR(ENOMEM);
} else
codebook_setup->codevectors = NULL;
for (j = 0, i = 0; i < entries; ++i) {
unsigned dim = codebook_setup->dimensions;