guix/gnu/packages/patches/icecat-CVE-2015-0827-pt-1.patch

From 28b6204b1421aa57b3c10c43d90cb516910bc80f Mon Sep 17 00:00:00 2001
From: Markus Stange <mstange@themasta.com>
Date: Tue, 6 Jan 2015 12:08:39 +0100
Subject: [PATCH] Bug 1117304 - Also do the checks at the start of CopyRect in
 release builds. r=Bas, a=sledru

---
 gfx/2d/FilterNodeSoftware.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/gfx/2d/FilterNodeSoftware.cpp b/gfx/2d/FilterNodeSoftware.cpp
index 00d790f..396d0da 100644
--- a/gfx/2d/FilterNodeSoftware.cpp
+++ b/gfx/2d/FilterNodeSoftware.cpp
@@ -253,9 +253,12 @@ CopyRect(DataSourceSurface* aSrc, DataSourceSurface* aDest,
     MOZ_CRASH("we should never be getting invalid rects at this point");
   }
 
-  MOZ_ASSERT(aSrc->GetFormat() == aDest->GetFormat(), "different surface formats");
-  MOZ_ASSERT(IntRect(IntPoint(), aSrc->GetSize()).Contains(aSrcRect), "source rect too big for source surface");
-  MOZ_ASSERT(IntRect(IntPoint(), aDest->GetSize()).Contains(aSrcRect - aSrcRect.TopLeft() + aDestPoint), "dest surface too small");
+  MOZ_RELEASE_ASSERT(aSrc->GetFormat() == aDest->GetFormat(),
+                     "different surface formats");
+  MOZ_RELEASE_ASSERT(IntRect(IntPoint(), aSrc->GetSize()).Contains(aSrcRect),
+                     "source rect too big for source surface");
+  MOZ_RELEASE_ASSERT(IntRect(IntPoint(), aDest->GetSize()).Contains(IntRect(aDestPoint, aSrcRect.Size())),
+                     "dest surface too small");
 
   if (aSrcRect.IsEmpty()) {
     return;
-- 
2.2.1