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swscale: increase yuv2rgb table headroom
authorMichael Niedermayer <michaelni@gmx.at>
Tue, 16 Dec 2014 21:21:21 +0000 (22:21 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Tue, 16 Dec 2014 22:37:26 +0000 (23:37 +0100)
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 patch | blob | history

diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 63b4eca8296213fd224fb248b9ad1f901d0efe9d..37c2b37548a6ffd90ebad8eb6f6e08f9c2e13fd1 100644 (file)
--- 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
 
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