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	Scott Ullrich <sullrich@gmail.com>
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Date: Sun, 8 Jun 2008 03:04:43 GMT
From: Scott Ullrich <sullrich@gmail.com>
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Cc: 
Subject: kern/124384: Destroying a CARP interface can lead to kernel panic
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>Number:         124384
>Category:       kern
>Synopsis:       Destroying a CARP interface can lead to kernel panic
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Jun 08 03:10:02 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Scott Ullrich
>Release:        7.0-RELEASE
>Organization:
pfSense
>Environment:
FreeBSD gate1.geekgod.com 7.0-RELEASE-p1 FreeBSD 7.0-RELEASE-p1 #0: Mon Jun  2 22:51:51 EDT 2008     sullrich@builder7.bgn.pfsense.org:/usr/obj.pfSense/usr/src/sys/pfSense.7  i386

>Description:
Destoring a CARP interface can lead to system panics.  This was also an issue on 6.3-RELEASE.
>How-To-Repeat:
Run this shell script:

#!/bin/sh

# Configure 192.168.1.1/24 on a real interface first!

while [ /bin/true ]; do
     ifconfig carp0 create
     ifconfig carp1 create
     ifconfig carp0 192.168.1.24/22
     ifconfig carp1 192.168.1.25/24
     ifconfig carp0 up
     ifconfig carp0 destroy
     ifconfig carp0 delete
     ifconfig carp1 destroy
done
>Fix:
None known at this time.

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