From: kgv <kgv@opencascade.com>
Date: Wed, 17 Feb 2016 14:37:43 +0000 (+0300)
Subject: 0027172: Visualization - avoid signed integer overflow within Graphic3d_ArrayOfPrimitives
X-Git-Tag: V7_0_0rc~41
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=6273fa4b6c3ee16c5fa960168368f2960246aa97;p=occt-copy.git

0027172: Visualization - avoid signed integer overflow within Graphic3d_ArrayOfPrimitives
---

diff --git a/src/Graphic3d/Graphic3d_ArrayOfPrimitives.cxx b/src/Graphic3d/Graphic3d_ArrayOfPrimitives.cxx
index 7421d56593..ab3abb724c 100644
--- a/src/Graphic3d/Graphic3d_ArrayOfPrimitives.cxx
+++ b/src/Graphic3d/Graphic3d_ArrayOfPrimitives.cxx
@@ -106,7 +106,7 @@ Graphic3d_ArrayOfPrimitives::Graphic3d_ArrayOfPrimitives (const Graphic3d_TypeOf
     myIndices.Nullify();
     return;
   }
-  memset (myAttribs->ChangeData (0), 0, myAttribs->Stride * myAttribs->NbElements);
+  memset (myAttribs->ChangeData (0), 0, size_t(myAttribs->Stride) * size_t(myAttribs->NbElements));
 
   if (theMaxBounds > 0)
   {