netdev - Re: 2.6.35, netfilter/iptables not working with 32bit userspace + 64bit kernel?

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Date:	Fri, 13 Aug 2010 14:18:05 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jussi Kivilinna <jussi.kivilinna@...et.fi>
Cc:	netdev@...r.kernel.org,
	Netfilter Development Mailinglist 
	<netfilter-devel@...r.kernel.org>
Subject: Re: 2.6.35, netfilter/iptables not working with 32bit userspace +
 64bit kernel?

CC netfilter-devel to get more people in touch

Thanks !

Le vendredi 13 août 2010 à 13:47 +0300, Jussi Kivilinna a écrit :
> Hello!
> 
> I have server/firewall running Debian lenny with 32bit userspace and  
> 64bit kernel. After upgrading from 2.6.34 to 2.6.35, I couldn't get  
> any new chains work. Simply doing (with 32bit iptables)
> 
>    iptables -N new_chain
>    iptables -A OUTPUT -j new_chain
>    iptables -A OUTPUT -j ACCEPT
> 
> cause output to freeze. "iptables -L -vn" shows:
> 
> Chain OUTPUT (policy ACCEPT 3397 packets, 637K bytes)
>   pkts bytes target     prot opt in     out     source         destination
>      3   252 new_chain  all  --  *      *       0.0.0.0/0      0.0.0.0/0
>      0     0 ACCEPT     all  --  *      *       0.0.0.0/0      0.0.0.0/0
> 
> Ping shows "ping: sendmsg: Operation not permitted".
> 
> With recompiled 64bit iptables, example above works fine.
> 
> -Jussi
> 
> --

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