[NETLINK]: Fix missing dst_groups initializations in netlink_broadcast users

netlink_broadcast users must initialize NETLINK_CB(skb).dst_groups to the
destination group mask for netlink_recvmsg.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 0 deletions

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 33ceeea783b1..4d553a1d2169 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1152,6 +1152,8 @@ static int xfrm_notify_sa_flush(struct km_event *c)
 
         nlh->nlmsg_len = skb->tail - b;
 
+        NETLINK_CB(skb).dst_groups = XFRMGRP_SA;
+
         return netlink_broadcast(xfrm_nl, skb, 0, XFRMGRP_SA, GFP_ATOMIC);
 
 nlmsg_failure:
@@ -1226,6 +1228,8 @@ static int xfrm_notify_sa(struct xfrm_state *x, struct km_event *c)
 
         nlh->nlmsg_len = skb->tail - b;
 
+        NETLINK_CB(skb).dst_groups = XFRMGRP_SA;
+
         return netlink_broadcast(xfrm_nl, skb, 0, XFRMGRP_SA, GFP_ATOMIC);
 
 nlmsg_failure:
@@ -1455,6 +1459,8 @@ static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *
 
         nlh->nlmsg_len = skb->tail - b;
 
+        NETLINK_CB(skb).dst_groups = XFRMGRP_POLICY;
+
         return netlink_broadcast(xfrm_nl, skb, 0, XFRMGRP_POLICY, GFP_ATOMIC);
 
 nlmsg_failure:
@@ -1480,6 +1486,8 @@ static int xfrm_notify_policy_flush(struct km_event *c)
 
         nlh->nlmsg_len = skb->tail - b;
 
+        NETLINK_CB(skb).dst_groups = XFRMGRP_POLICY;
+
         return netlink_broadcast(xfrm_nl, skb, 0, XFRMGRP_POLICY, GFP_ATOMIC);
 
 nlmsg_failure: