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

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

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 985f34b756
commit f52edef301
1 changed files with 1 additions and 1 deletions

View File

@ -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));