--- modules/pam_namespace/pam_namespace.c	30 Aug 2006 08:42:38 -0000	1.3
+++ modules/pam_namespace/pam_namespace.c	24 Oct 2006 12:21:45 -0000
@@ -1206,7 +1206,7 @@
      * Add the user info to the instance data so we can refer to them later.
      */
     idata.user[0] = 0;
-    strncat(idata.user, user_name, sizeof(idata.user));
+    strncat(idata.user, user_name, sizeof(idata.user) - 1);
     idata.uid = pwd->pw_uid;
 
     /*
@@ -1290,7 +1290,7 @@
      * Add the user info to the instance data so we can refer to them later.
      */
     idata.user[0] = 0;
-    strncat(idata.user, user_name, sizeof(idata.user));
+    strncat(idata.user, user_name, sizeof(idata.user) - 1);
     idata.uid = pwd->pw_uid;
 
     /*