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-rw-r--r--meta/recipes-graphics/xorg-xserver/xserver-xorg/xorg-CVE-2013-6424.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/xorg-CVE-2013-6424.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/xorg-CVE-2013-6424.patch
new file mode 100644
index 0000000000..7c6153022f
--- /dev/null
+++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/xorg-CVE-2013-6424.patch
@@ -0,0 +1,31 @@
+This patch comes from:
+http://lists.x.org/archives/xorg-devel/2013-October/037996.html
+
+Upstream-Status: Backport
+
+Signed-off-by: Baogen shang <baogen.shang@windriver.com>
+diff -Naur xorg-server-1.14.0-orig/exa/exa_render.c xorg-server-1.14.0/exa/exa_render.c
+--- xorg-server-1.14.0-orig/exa/exa_render.c 2014-02-27 14:32:38.000000000 +0800
++++ xorg-server-1.14.0/exa/exa_render.c 2014-02-27 15:46:59.000000000 +0800
+@@ -1141,7 +1141,8 @@
+
+ exaPrepareAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
+ for (; ntrap; ntrap--, traps++)
+- (*ps->RasterizeTrapezoid) (pPicture, traps, -bounds.x1, -bounds.y1);
++ if (xTrapezoidValid(traps))
++ (*ps->RasterizeTrapezoid) (pPicture, traps, -bounds.x1, -bounds.y1);
+ exaFinishAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
+
+ xRel = bounds.x1 + xSrc - xDst;
+diff -Naur xorg-server-1.14.0-orig/render/picture.h xorg-server-1.14.0/render/picture.h
+--- xorg-server-1.14.0-orig/render/picture.h 2014-02-27 14:32:26.000000000 +0800
++++ xorg-server-1.14.0/render/picture.h 2014-02-27 15:48:13.000000000 +0800
+@@ -211,7 +211,7 @@
+ /* whether 't' is a well defined not obviously empty trapezoid */
+ #define xTrapezoidValid(t) ((t)->left.p1.y != (t)->left.p2.y && \
+ (t)->right.p1.y != (t)->right.p2.y && \
+- (int) ((t)->bottom - (t)->top) > 0)
++ ((t)->bottom > (t)->top))
+
+ /*
+ * Standard NTSC luminance conversions: