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Date: Wed, 22 Oct 2008 14:48:59 +0200
From: Damien Deville <damien.deville@netasq.com>
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Subject: Re: RELENG_7 crash in if_vlan
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Hi,

Is there any progress on the MFC on this bugfix 
http://svn.freebsd.org/viewvc/base?view=revision&revision=182413
before 7.1 being released ?

The PR is available there
http://www.freebsd.org/cgi/query-pr.cgi?pr=126850

Regards,
Damien

Damien Deville wrote:
> Hi,
> 
> On today's checkout of RELENG_7 it is possible to crash the system using 
> the following commands:
> 
> ifconfig vlan0 create
> ifconfig vlan0 -vlandev
> 
> Crash is located in if_vlan.c in vlan_unconfig_locked() when 
> dereferencing a NULL pointer (ifv->ifv_trunk) to access parent interface 
> using PARENT macro.
> 
> Damien

-- 
Damien Deville
R&D engineer
damien.deville@netasq.com
http://www.netasq.com

NETASQ - We secure IT