$NetBSD: patch-aa,v 1.3 2008/05/14 16:36:18 drochner Exp $

--- ./lib/res0.c.orig	2007-07-24 02:09:47.000000000 +0200
+++ ./lib/res0.c
@@ -223,6 +223,20 @@ vorbis_info_residue *res0_unpack(vorbis_
   for(j=0;j<acc;j++)
     if(info->booklist[j]>=ci->books)goto errout;
 
+  /* verify the phrasebook is not specifying an impossible or
+     inconsistent partitioning scheme. */
+  {
+    int entries = ci->book_param[info->groupbook]->entries;
+    int dim = ci->book_param[info->groupbook]->dim;
+    int partvals = 1;
+    while(dim>0){
+      partvals *= info->partitions;
+      if(partvals > entries) goto errout;
+      dim--;
+    }
+    if(partvals != entries) goto errout;
+  }
+
   return(info);
  errout:
   res0_free_info(info);
@@ -263,7 +277,7 @@ vorbis_look_residue *res0_look(vorbis_ds
     }
   }
 
-  look->partvals=rint(pow((float)look->parts,(float)dim));
+  look->partvals=look->phrasebook->entries;
   look->stages=maxstage;
   look->decodemap=_ogg_malloc(look->partvals*sizeof(*look->decodemap));
   for(j=0;j<look->partvals;j++){