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smacker: fix an off by one in huff.length computation

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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit ee205588b250fe5cae0681be8eba51a5403c3272)

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Kostya Shishkov
2013-06-12 14:22:24 +02:00
committed by Luca Barbato
parent d33b0f7224
commit 1a0cdd18b0
1 changed files with 1 additions and 1 deletions
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2
libavcodec/smacker.c
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@@ -246,7 +246,7 @@ static int smacker_decode_header_tree(SmackVContext *smk, GetBitContext *gb, int
ctx.recode2 = tmp2.values;
ctx.last = last;
huff.length = ((size + 3) >> 2) + 3;
huff.length = ((size + 3) >> 2) + 4;
huff.maxlength = 0;
huff.current = 0;
huff.values = av_mallocz(huff.length * sizeof(int));