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Commit 655b0860 authored by Tobias Jungel's avatar Tobias Jungel Committed by Greg Kroah-Hartman
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bonding: fix length of actor system 



[ Upstream commit 414dd6fb9a1a1b59983aea7bf0f79f0085ecc5b8 ]

The attribute IFLA_BOND_AD_ACTOR_SYSTEM is sent to user space having the
length of sizeof(bond->params.ad_actor_system) which is 8 byte. This
patch aligns the length to ETH_ALEN to have the same MAC address exposed
as using sysfs.

Fixes: f87fda00 ("bonding: prevent out of bound accesses")
Signed-off-by: default avatarTobias Jungel <tobias.jungel@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 26ab2eb8

drivers/net/bonding/bond_netlink.c

+1 −2
Original line number Diff line number Diff line
@@ -638,8 +638,7 @@ static int bond_fill_info(struct sk_buff *skb, 
				goto nla_put_failure;



			if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM,

				    sizeof(bond->params.ad_actor_system),

				    &bond->params.ad_actor_system))

				    ETH_ALEN, &bond->params.ad_actor_system))

				goto nla_put_failure;

		}

		if (!bond_3ad_get_active_agg_info(bond, &info)) {