i386/60154: ipfw core (crash)

[Andrus Nomm]

>Number:         60154
>Category:       i386
>Synopsis:       ipfw core (crash)
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Dec 11 08:00:35 PST 2003
>Closed-Date:
>Last-Modified:
>Originator:     Andrus
>Release:        FreeBSD 4.8-RELEASE-p14 i386
>Organization:
none
>Environment:
System: FreeBSD members.ee 4.8-RELEASE-p14 FreeBSD 4.8-RELEASE-p14 #17: Wed
Dec 10 19:51:46 EET 2003 root at members.ee:/usr/obj/usr/src/sys/MEMBERS-KERNEL
i386


>Description:
ipfw crash on long line
>How-To-Repeat:
ipfw add pass all from { ips } to any
if i putted there 100 ips (string length was ~2500 bytes total) ipfw crashed
and made core file
tested on 4.9, 5.0 and 5.1, samne result
>Fix:
write in manual that example 50 ips are max allowed, or give error in ipfw
"too many ips" or similar instead of crashing


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