From: Dmitry Mishin <dim@openvz.org>
Date: Tue, 5 Dec 2006 21:43:50 +0000 (-0800)
Subject: [NETFILTER]: Fix {ip,ip6,arp}_tables hook validation
X-Git-Tag: v2.6.20-rc1~145^2^2~7^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74c9c0c17dea729d6089c0c82762babd02e65f84;p=pandora-kernel.git

[NETFILTER]: Fix {ip,ip6,arp}_tables hook validation

Commit 590bdf7fd2292b47c428111cb1360e312eff207e introduced a regression
in match/target hook validation. mark_source_chains builds a bitmask
for each rule representing the hooks it can be reached from, which is
then used by the matches and targets to make sure they are only called
from valid hooks. The patch moved the match/target specific validation
before the mark_source_chains call, at which point the mask is always zero.

This patch returns back to the old order and moves the standard checks
to mark_source_chains. This allows to get rid of a special case for
standard targets as a nice side-effect.

Signed-off-by: Dmitry Mishin <dim@openvz.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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