linux-kernel - [ 11/30] rtnetlink: Call nlmsg_parse() with correct header length

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Message-Id: <20130429184356.558000061@linuxfoundation.org>
Date:	Mon, 29 Apr 2013 12:02:35 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Michael Riesch <michael.riesch@...cron.at>,
	"David S. Miller" <davem@...emloft.net>,
	Jiri Benc <jbenc@...hat.com>, "Theodore Tso" <tytso@....edu>,
	Mark Rustad <mark.d.rustad@...el.com>
Subject: [ 11/30] rtnetlink: Call nlmsg_parse() with correct header length

3.0-stable 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: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/core/rtnetlink.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1045,7 +1045,7 @@ static int rtnl_dump_ifinfo(struct sk_bu
 
 	rcu_read_lock();
 
-	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])
@@ -1876,7 +1876,7 @@ 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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