Date: Thu, 19 Aug 2010 16:40:04 GMT From: Maxim Konovalov <maxim.konovalov@gmail.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/149807: [patch] [ipfw] panic due to bpf write to ipfw interface Message-ID: <201008191640.o7JGe40P039199@freefall.freebsd.org>
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The following reply was made to PR kern/149807; it has been noted by GNATS. From: Maxim Konovalov <maxim.konovalov@gmail.com> To: Dmitrij Tejblum <tejblum@yandex-team.ru> Cc: bug-followup@freebsd.org Subject: Re: kern/149807: [patch] [ipfw] panic due to bpf write to ipfw interface 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? -- Maxim Konovalov
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