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hevc: use av_mallocz() for allocating tab_ipm
author
Michael Niedermayer
<michaelni@gmx.at>
Sat, 11 Jan 2014 19:23:51 +0000
(20:23 +0100)
committer
Vittorio Giovara
<vittorio.giovara@gmail.com>
Sun, 9 Mar 2014 16:08:11 +0000
(17:08 +0100)
Fixes use of uninitialized memory and out of stack array read.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
libavcodec/hevc.c
patch
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diff --git
a/libavcodec/hevc.c
b/libavcodec/hevc.c
index
65ad6d9
..
f8f7e64
100644
(file)
--- a/
libavcodec/hevc.c
+++ b/
libavcodec/hevc.c
@@
-212,7
+212,7
@@
static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps)
goto fail;
s->cbf_luma = av_malloc(sps->min_tb_width * sps->min_tb_height);
- s->tab_ipm = av_malloc(min_pu_size);
+ s->tab_ipm = av_malloc
z
(min_pu_size);
s->is_pcm = av_malloc(min_pu_size);
if (!s->tab_ipm || !s->cbf_luma || !s->is_pcm)
goto fail;