linux-kernel - [093/118] rtnetlink: Call nlmsg_parse() with correct header length

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Message-ID: <lsq.1368193181.913664514@decadent.org.uk>
Date:	Fri, 10 May 2013 14:39:41 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Theodore Ts'o" <tytso@....edu>,
	"Jiri Benc" <jbenc@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	"Michael Riesch" <michael.riesch@...cron.at>,
	"Mark Rustad" <mark.d.rustad@...el.com>
Subject: [093/118] rtnetlink: Call nlmsg_parse() with correct header  length

3.2.45-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Michael Riesch <michael.riesch@...cron.at>

[ Upstream commit 88c5b5ce5cb57af6ca2a7cf4d5715fa320448ff9 ]

Signed-off-by: Michael Riesch <michael.riesch@...cron.at>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Jiri Benc <jbenc@...hat.com>
Cc: "Theodore Ts'o" <tytso@....edu>
Cc: linux-kernel@...r.kernel.org
Acked-by: Mark Rustad <mark.d.rustad@...el.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/core/rtnetlink.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1064,7 +1064,7 @@ static int rtnl_dump_ifinfo(struct sk_bu
 	rcu_read_lock();
 	cb->seq = net->dev_base_seq;
 
-	if (nlmsg_parse(cb->nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+	if (nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
 			ifla_policy) >= 0) {
 
 		if (tb[IFLA_EXT_MASK])
@@ -1907,7 +1907,7 @@ static u16 rtnl_calcit(struct sk_buff *s
 	u32 ext_filter_mask = 0;
 	u16 min_ifinfo_dump_size = 0;
 
-	if (nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+	if (nlmsg_parse(nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
 			ifla_policy) >= 0) {
 		if (tb[IFLA_EXT_MASK])
 			ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);

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