[FFmpeg-cvslog] swscale/yuv2rgb: Increase YUV2RGB table headroom
Michael Niedermayer
git at videolan.org
Fri Jan 15 16:23:55 CET 2016
ffmpeg | branch: release/2.8 | Michael Niedermayer <michael at niedermayer.cc> | Thu Jan 14 03:05:11 2016 +0100| [1fd955606216e0b05bdf2f345d9e5c9b5455118c] | committer: Michael Niedermayer
swscale/yuv2rgb: Increase YUV2RGB table headroom
This makes SWS more robust
Fixes: 07650a772d98aa63b0fed6370dc89037/asan_heap-oob_27ddeaf_2657_2c81ff264dee5d9712cb3251fb9c3bbb.264
Fixes: out of array read
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 8f3a9a8c278acf886f70a1d743bc07b6f9c7b51a)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1fd955606216e0b05bdf2f345d9e5c9b5455118c
---
libswscale/swscale_internal.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 1c94805..63c9fdd 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -39,8 +39,8 @@
#define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long
-#define YUVRGB_TABLE_HEADROOM 256
-#define YUVRGB_TABLE_LUMA_HEADROOM 0
+#define YUVRGB_TABLE_HEADROOM 512
+#define YUVRGB_TABLE_LUMA_HEADROOM 512
#define MAX_FILTER_SIZE SWS_MAX_FILTER_SIZE
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