gifdec: gif_copy_img_rect: Fix end pointer

Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-24 23:11:10 +01:00
parent fc8e8e5bef
commit c10350358d

View File

@ -119,7 +119,7 @@ static void gif_copy_img_rect(const uint32_t *src, uint32_t *dst,
const uint32_t *src_px, *src_pr,
*src_py = src + y_start,
*dst_py = dst + y_start;
const uint32_t *src_pb = src_py + t * linesize;
const uint32_t *src_pb = src_py + h * linesize;
uint32_t *dst_px;
for (; src_py < src_pb; src_py += linesize, dst_py += linesize) {