From 6cc94e971933cd38c452172bb048bf760e65cc3e Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 11 Jan 2014 20:23:51 +0100
Subject: [PATCH] hevc: use av_mallocz() for allocating tab_ipm
Fixes use of uninitialized memory and out of stack array read.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
---
libavcodec/hevc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
index 65ad6d97301..f8f7e64eb42 100644
--- 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_mallocz(min_pu_size);
s->is_pcm = av_malloc(min_pu_size);
if (!s->tab_ipm || !s->cbf_luma || !s->is_pcm)
goto fail;
--
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