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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Netfilter Development Mailinglist <netfilter-devel@lists.netfilter.org>
Cc: Patrick McHardy <kaber@trash.net>
Subject: [PATCH 6/8] fix racy conntrack mark
Date: Mon, 05 Dec 2005 12:21:10 +0100	[thread overview]
Message-ID: <439422A6.3040604@netfilter.org> (raw)

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-- 
The dawn of the fourth age of Linux firewalling is coming; a time of
great struggle and heroic deeds -- J.Kadlecsik got inspired by J.Morris

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Set conntrack mark before it is in hashes.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

Index: netfilter-2.6.14.git/net/ipv4/netfilter/ip_conntrack_netlink.c
===================================================================
--- netfilter-2.6.14.git.orig/net/ipv4/netfilter/ip_conntrack_netlink.c	2005-12-05 11:44:55.000000000 +0100
+++ netfilter-2.6.14.git/net/ipv4/netfilter/ip_conntrack_netlink.c	2005-12-05 11:45:12.000000000 +0100
@@ -1032,6 +1032,11 @@ ctnetlink_create_conntrack(struct nfattr
 			return err;
 	}
 
+#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
+	if (cda[CTA_MARK-1])
+	ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
+#endif
+
 	ct->helper = ip_conntrack_helper_find_get(rtuple);
 
 	add_timer(&ct->timeout);
@@ -1040,11 +1045,6 @@ ctnetlink_create_conntrack(struct nfattr
 	if (ct->helper)
 		ip_conntrack_helper_put(ct->helper);
 
-#if defined(CONFIG_IP_NF_CONNTRACK_MARK)
-	if (cda[CTA_MARK-1])
-		ct->mark = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_MARK-1]));
-#endif
-
 	DEBUGP("conntrack with id %u inserted\n", ct->id);
 	return 0;
 

                 reply	other threads:[~2005-12-05 11:21 UTC|newest]

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