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vorbisdec: fix heap buffer overflow.

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Found-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-08-02 12:21:25 +02:00
parent a6aa7e039a
commit 8cac86e091
1 changed files with 1 additions and 1 deletions
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2
libavcodec/vorbisdec.c
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@ -1411,7 +1411,7 @@ static av_always_inline int vorbis_residue_decode_internal(vorbis_context *vc,
}
} else if (vr_type == 2) {
unsigned voffs_div = FASTDIV(voffset, ch);
unsigned voffs_div = ch == 1 ? voffset : FASTDIV(voffset, ch);
unsigned voffs_mod = voffset - voffs_div * ch;
for (k = 0; k < step; ++k) {