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Commit 88c5b5ce authored by Michael Riesch's avatar Michael Riesch Committed by David S. Miller
Browse files

rtnetlink: Call nlmsg_parse() with correct header length 



Signed-off-by: default avatarMichael Riesch <michael.riesch@omicron.at>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Benc <jbenc@redhat.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: linux-kernel@vger.kernel.org
Acked-by: default avatarMark Rustad <mark.d.rustad@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 69b0216a

net/core/rtnetlink.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -1072,7 +1072,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) 
	rcu_read_lock();

	rcu_read_lock();

	cb->seq = net->dev_base_seq;

	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) {

			ifla_policy) >= 0) {





		if (tb[IFLA_EXT_MASK])

		if (tb[IFLA_EXT_MASK])
@@ -1922,7 +1922,7 @@ static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh) 
	u32 ext_filter_mask = 0;

	u32 ext_filter_mask = 0;

	u16 min_ifinfo_dump_size = 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) {

			ifla_policy) >= 0) {

		if (tb[IFLA_EXT_MASK])

		if (tb[IFLA_EXT_MASK])

			ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);

			ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);