Re: [bug-inetutils] Potential segmentation fault in ifconfig

[Alfred M. Szmidt]

Good catch, does the following work?

2010-07-31  Alfred M. Szmidt  <a...@gnu.org>

        * ifconfig/options.c (parse_cmdline): Error out if IFNX is NULL.

@@ -589,8 +587,9 @@ parse_cmdline (int argc, char *argv[])
     {
       /* No interfaces specified.  Get a list of all interfaces.  */
       struct if_nameindex *ifnx, *ifnxp;
-
       ifnx = ifnxp = if_nameindex ();
+      if (!ifnx)
+       error (EXIT_FAILURE, 0, "could not get list of interfaces");
       while (ifnxp->if_index != 0 || ifnxp->if_name != NULL)
        {
          struct ifconfig *ifp;