On Wed, 20 Oct 2004, Alan Cox wrote: > Firstly a user can cause crashes and other undefined behaviour by > issuing a TIOCSETLD ioctl on a terminal interface while another thread 1. Did you mean TIOCSETD? 2. Sigh. TIOCSETD should have been restricted to root (+) since 1999. (*) (*) Since the "user-rawip-attack" vuln reported by Marc Shaefer. (+) Perhaps with some workaround to address the problem with processes setting the ldisc, dropping the root, and being unable to restore ldisc back to N_TTY when they exit. --Pavel Kankovsky aka Peak [ Boycott Microsoft--http://www.vcnet.com/bms ] "Resistance is futile. Open your source code and prepare for assimilation."