Changeset ebf6a6 in git for kernel/hilb.cc

Timestamp:

Jul 6, 2009, 1:54:10 PM (14 years ago)

Author:

Hans Schönemann <hannes@…>

Branches:

(u'spielwiese', 'd0474371d8c5d8068ab70bfb42719c97936b18a6')

Children:

e6d2f67d59d8d9127eab2943d2bf0c78e249d180

Parents:

3a0e1a78889f30ca1c8f7bad0c13eda46d838010

Message:

*hannes: malloc overflow


git-svn-id: file:///usr/local/Singular/svn/trunk@11947 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• kernel/hilb.cc (modified) (2 diffs)

kernel/hilb.cc

@@ -2 +2 @@
 *  Computer Algebra System SINGULAR     *
 ****************************************/
-/* $Id: hilb.cc,v 1.3 2006-09-20 16:47:14 Singular Exp $ */
+/* $Id: hilb.cc,v 1.4 2009-07-06 11:54:10 Singular Exp $ */
 /*
 *  ABSTRACT -  Hilbert series
@@ -52 +52 @@
     if (z > Ql[j])
     {
-      p = (int *)omAlloc(z * sizeof(int));
+      if (z>(INT_MAX)/2)
+      {
+       Werror("interal arrays too big");
+       return;
+      }
+      p = (int *)omAlloc((unsigned long)z * sizeof(int));
       if (Ql[j]!=0)
       {