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gifdec: gif_copy_img_rect: Fix end pointer
author
Michael Niedermayer
<michaelni@gmx.at>
Thu, 24 Jan 2013 22:11:10 +0000
(23:11 +0100)
committer
Michael Niedermayer
<michaelni@gmx.at>
Thu, 24 Jan 2013 22:11:44 +0000
(23:11 +0100)
Fixes out of array accesses
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/gifdec.c
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diff --git
a/libavcodec/gifdec.c
b/libavcodec/gifdec.c
index
51e8422
..
2d9f8b4
100644
(file)
--- a/
libavcodec/gifdec.c
+++ b/
libavcodec/gifdec.c
@@
-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) {