hi in /usr/src/sbin/atm/atmconfig/diag.c on line 871 there's off-by-one error. array of size IFNAMSIZ is being written on IFNAMSIZ, ie. one byte after the array. this code ifr.ifr_name[IFNAMSIZ] = '\0'; should be ifr.ifr_name[IFNAMSIZ-1] = '\0'; thnx for fixing it :) roman