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Date:      Tue, 2 Oct 2007 17:26:14 GMT
From:      Jonathan Pascal <jkpyvxmzsa@mailinator.com>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   kern/116837: ifconfig tunX destroy: panic
Message-ID:  <200710021726.l92HQE2H091109@www.freebsd.org>
Resent-Message-ID: <200710021730.l92HU7wY086185@freefall.freebsd.org>

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>Number:         116837
>Category:       kern
>Synopsis:       ifconfig tunX destroy: panic
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Oct 02 17:30:06 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     Jonathan Pascal
>Release:        -CURRENT as of 2007-09-29
>Organization:
>Environment:
FreeBSD box 7.0-CURRENT FreeBSD 7.0-CURRENT #4: Sat Sep 29 19:41:37 CEST 2007     root@box:/usr/obj/usr/src/sys/CURRENT_STARLIGHT  i386
>Description:
Destroying a tun device while a process is using it via /dev/tunX leads to a kernel panic.
>How-To-Repeat:
# cat < /dev/tun0 > /dev/tun0 &
# ifconfig tun0 destroy

panic: tununits is out of sync - unit 0
>Fix:


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



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