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[patch 68/76] NETFILTER: nfnetlink_log: fix computation of netlink skb size

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From: Chris Wright <chrisw@...>
To: <linux-kernel@...>, <stable@...>
Cc: Justin Forbes <jmforbes@...>, Zwane Mwaikambo <zwane@...>, Theodore Ts'o <tytso@...>, Randy Dunlap <rdunlap@...>, Dave Jones <davej@...>, Chuck Wolber <chuckw@...>, Chris Wedgwood <reviews@...>, Michael Krufky <mkrufky@...>, Chuck Ebbert <cebbert@...>, Domenico Andreoli <cavokz@...>, <torvalds@...>, <akpm@...>, <alan@...>, Patrick McHardy <kaber@...>, <netfilter-devel@...>, <davem@...>, Eric Leblond <eric@...>, Greg Kroah-Hartman <gregkh@...>
Subject: [patch 68/76] NETFILTER: nfnetlink_log: fix computation of netlink skb size
Date: Friday, March 21, 2008 - 6:43 pm

-stable review patch.  If anyone has any objections, please let us know.
---------------------

From: Eric Leblond <eric@inl.fr>

Upstream commit 7000d38d:

This patch is similar to nfnetlink_queue fixes. It fixes the computation
of skb size by using NLMSG_SPACE instead of NLMSG_ALIGN.

Signed-off-by: Eric Leblond <eric@inl.fr>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

 net/netfilter/nfnetlink_log.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -594,7 +594,7 @@ nfulnl_log_packet(unsigned int pf,
 	/* FIXME: do we want to make the size calculation conditional based on
 	 * what is actually present?  way more branches and checks, but more
 	 * memory efficient... */
-	size =    NLMSG_ALIGN(sizeof(struct nfgenmsg))
+	size =    NLMSG_SPACE(sizeof(struct nfgenmsg))
 		+ nla_total_size(sizeof(struct nfulnl_msg_packet_hdr))
 		+ nla_total_size(sizeof(u_int32_t))	/* ifindex */
 		+ nla_total_size(sizeof(u_int32_t))	/* ifindex */

-- 
--
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[patch 68/76] NETFILTER: nfnetlink_log: fix computation of n..., Chris Wright, (Fri Mar 21, 6:43 pm)