From: Tobias Jungel Date: Sun, 28 Oct 2018 11:54:10 +0000 (+0100) Subject: bonding: fix length of actor system X-Git-Tag: v4.9.136~24 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=210c21f1ffe1d07dbb2ea2f874923b3b1959a6c2;p=platform%2Fkernel%2Flinux-amlogic.git 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: f87fda00b6ed2 ("bonding: prevent out of bound accesses") Signed-off-by: Tobias Jungel Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c index b8df0f5e8c25..3f320f470345 100644 --- a/drivers/net/bonding/bond_netlink.c +++ b/drivers/net/bonding/bond_netlink.c @@ -628,8 +628,7 @@ 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)) {