netdev - Re: problems with iproute2 m

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Message-ID: <alpine.LNX.2.01.1206301512520.27385@frira.zrqbmnf.qr>
Date:	Sat, 30 Jun 2012 15:17:55 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...i.de>
To:	Andreas Henriksson <andreas@...al.se>
cc:	shemminger@...tta.com,
	Linux Networking Developer Mailing List 
	<netdev@...r.kernel.org>, YANG Zhe <yangzhe1990@...il.com>
Subject: Re: problems with iproute2 m_xt again...

On Saturday 2012-06-30 14:09, Andreas Henriksson wrote:

>Hello!
>
>Mailing you in hope that you could help out with the xt module of iproute2 tc
>once more, as you've done in the past.... It seems to be broken again. sigh.
>
>amd64:~# iptables -nL | grep test
>Chain test (0 references)
>amd64:~# tc filter add dev fon parent ffff: protocol ip prio 10 u32 action xt -j test
> failed to find target test
>
>bad action parsing
>parse_action: bad value (3:xt)!
>Illegal "action"
>amd64:~#

Looks more like a syntax error. I don't see any functions of m_xt.so 
being ever called (and it only has two).

>And maybe even more interesting is when I try to use a built-in chain 
>like DROP:

DROP is not a chain, but a verdict.

>amd64:~# tc filter add dev fon parent ffff: protocol ip prio 10 u32 
>action xt -j DROP
>tablename: mangle hook: NF_IP_PRE_ROUTING
>Segmentation fault

Rather than a segfault, this gets me "bad action parsing" in 
iproute2-3.4.0 as well.
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