From 1d1cc267e6e7e846894fe58e5d63988ef4b77b8b 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 3def1b63e6..b2f844ff8c 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -34,7 +34,7 @@
 
 #define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long
 
-#define YUVRGB_TABLE_HEADROOM 128
+#define YUVRGB_TABLE_HEADROOM 256
 
 #define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients