[FFmpeg-cvslog] swscale: increase yuv2rgb table headroom
Michael Niedermayer
git at videolan.org
Thu Dec 18 19:21:16 CET 2014
ffmpeg | branch: release/1.2 | Michael Niedermayer <michaelni at gmx.at> | Tue Dec 16 22:21:21 2014 +0100| [ec0f77fbff904bb735c9923c3cdd916ca6ac9c88] | committer: Michael Niedermayer
swscale: increase yuv2rgb table headroom
Fixes out of array access
Fixes: case2_bad_read_yuv2rgbx32.mp4
Found-by: Michal Zalewski <lcamtuf at coredump.cx>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ec0f77fbff904bb735c9923c3cdd916ca6ac9c88
---
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 83d3a00..fe5ae11 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -37,7 +37,7 @@
#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
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