kern/149807: [patch] [ipfw] panic due to bpf write to ipfw
maxim.konovalov at gmail.com
Thu Aug 19 16:40:09 UTC 2010
The following reply was made to PR kern/149807; it has been noted by GNATS.
From: Maxim Konovalov <maxim.konovalov at gmail.com>
To: Dmitrij Tejblum <tejblum at yandex-team.ru>
Cc: bug-followup at freebsd.org
Subject: Re: kern/149807: [patch] [ipfw] panic due to bpf write to ipfw
Date: Thu, 19 Aug 2010 20:39:42 +0400 (MSD)
> ipfw create a pseudo-interface named ipfw0. It looks pretty much
> like an ethernet interface. If a program attach a bpf to the
> interface and send a multicast packet via it, a panic will occur.
> (Of course, sending packets to the ipfw0 interface is not useful.
> But some programs may do it. E.g., an CDP or LLDP daemon by default
> would try to send its packets to all interfaces in the systems,
> including ipfw0, if it's configured.)
This remembers me kern/149097. Sounds similar?
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