From 2a983ff7fe076ae93926eb33cfb44ca49183dacc Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 16 Dec 2014 22:21:21 +0100
Subject: [PATCH] swscale: increase yuv2rgb table headroom

Fixes out of array access
Fixes: case2_bad_read_yuv2rgbx32.mp4
Found-by: Michal Zalewski <lcamtuf@coredump.cx>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libswscale/swscale_internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 63b4eca829..37c2b37548 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -39,7 +39,7 @@
 
 #define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long
 
-#define YUVRGB_TABLE_HEADROOM 128
+#define YUVRGB_TABLE_HEADROOM 256
 
 #define MAX_FILTER_SIZE SWS_MAX_FILTER_SIZE