bin/108368: tip coredumped when 'du' capability is used.

[ivo at vutbr.cz]

>Number:         108368
>Category:       bin
>Synopsis:       tip coredumped when 'du' capability is used.
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Jan 26 08:40:17 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     Ivo Hazmuk
>Release:        FreeBSD 6.1-RELEASE i386
>Organization:
Brno University of Technology, Centre of Information Services
>Environment:
System: FreeBSD earwing.cis.vutbr.cz 6.1-RELEASE FreeBSD 6.1-RELEASE #0: Mon Aug 28 11:19:24 CEST 2006 tpoder at earwing.cis.vutbr.cz:/usr/src/sys/i386/compile/SERVER i386

	not depend on hardware.
	Observed in FreeBSD 5.4, FreeBSD 6.1
	In FreeBSD 4 have been used previous version of tip, which work fine.
>Description:
	tip coredumped when destination used 'du' capability in /etc/remote
	was called.
>How-To-Repeat:
	Add this capabilities to /etc/remote:
	# Capabilities
	dialup: :dv=/dev/cuad4:du:at=courier:tc=modem:
	courier::di=atz^M:tc=modem:
	modem:  :br#9600:pa=none:
	meo:    :pn=9243:tc=dialup:

	and 'tip meo'
	routudo: # tip meo
	Segmentation fault: 11 (core dumped)

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: