bin/173005: PW(8) - 'pw usermod' causes Segmentation fault: 11 (core dumped)

[jb]

>Number:         173005
>Category:       bin
>Synopsis:       PW(8) - 'pw usermod' causes Segmentation fault: 11 (core dumped)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Oct 23 22:20:00 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     jb
>Release:        FreeBSD 9.1-RC2 #0
>Organization:
>Environment:
FreeBSD localhost.localdomain 9.1-RC2 FreeBSD 9.1-RC2 #0 r241133: Tue Oct  2 17:11:45 UTC 2012     root at obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
# pw usermod moo4 -g ""
Segmentation fault: 11 (core dumped)
#

>How-To-Repeat:
as above

>Fix:


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