Index: Linux-PAM-1.3.0/modules/pam_access/pam_access.c
===================================================================
--- Linux-PAM-1.3.0.orig/modules/pam_access/pam_access.c
+++ Linux-PAM-1.3.0/modules/pam_access/pam_access.c
@@ -801,10 +801,16 @@ network_netmask_match (pam_handle_t *pam
 	hint.ai_family = AF_UNSPEC;
 
 	if (item->gai_rv != 0)
+	  {
+	    freeaddrinfo(ai);
 	    return NO;
+	  }
 	else if (!item->res &&
 		(item->gai_rv = getaddrinfo (string, NULL, &hint, &item->res)) != 0)
+	  {
+	    freeaddrinfo(ai);
 	    return NO;
+	  }
         else
 	  {
 	    struct addrinfo *runp = item->res;