File _service:tar_git:0008-Limit-surface-area-rather-than-width-and-height.patch of Package xulrunner-qt5

From f7aa36252cc5e7995981abcc7ed93729eccf6bf2 Mon Sep 17 00:00:00 2001
From: Dmitry Rozhkov <dmitry.rozhkov@jolla.com>
Date: Mon, 11 May 2015 13:17:36 +0300
Subject: [PATCH 08/15] Limit surface area rather than width and height

See bug JB26935

Signed-off-by: Raine Makelainen <raine.makelainen@jolla.com>
---
 gfx/cairo/cairo/src/cairo-image-surface.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gfx/cairo/cairo/src/cairo-image-surface.c b/gfx/cairo/cairo/src/cairo-image-surface.c
index a77f786..17c40a0 100644
--- a/gfx/cairo/cairo/src/cairo-image-surface.c
+++ b/gfx/cairo/cairo/src/cairo-image-surface.c
@@ -91,8 +91,9 @@ _pixman_image_for_solid (const cairo_solid_pattern_t *pattern);
 static cairo_bool_t
 _cairo_image_surface_is_size_valid (int width, int height)
 {
-    return 0 <= width  &&  width <= MAX_IMAGE_SIZE &&
-	   0 <= height && height <= MAX_IMAGE_SIZE;
+    const int area = width*height;
+    return 0 <= width && 0 <= height && 0 <= area &&
+        area <= (MAX_IMAGE_SIZE*MAX_IMAGE_SIZE);
 }
 
 cairo_format_t
-- 
2.1.4