netdev - Re: bridge netfilter output bug on 2.6.39

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1306254457.3026.69.camel@edumazet-laptop>
Date:	Tue, 24 May 2011 18:27:37 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	David Miller <davem@...emloft.net>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	netdev@...r.kernel.org
Subject: Re: bridge netfilter output bug on 2.6.39

Le mardi 24 mai 2011 à 17:39 +0200, Eric Dumazet a écrit :

> I would say its more likely a problem with dst metrics changes
> 
> In this crash, we dereference a NULL dst->_metrics 'pointer' in
> dst_metric_raw(dst, RTAX_MTU);

It seems bridge code uses one fake_rtable

You probably want to properly init its _metric field.

I can do the patch in one hour eventually, if nobody beats me.



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html