[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, 1 insertions, 0 deletions

diff --git a/security/selinux/netlink.c b/security/selinux/netlink.c
index 341dbe2579be..0f7be6524555 100644
--- a/security/selinux/netlink.c
+++ b/security/selinux/netlink.c
@@ -80,6 +80,7 @@ static void selnl_notify(int msgtype, void *data)
         nlh = NLMSG_PUT(skb, 0, 0, msgtype, len);
         selnl_add_payload(nlh, len, msgtype, data);
         nlh->nlmsg_len = skb->tail - tmp;
+        NETLINK_CB(skb).dst_groups = SELNL_GRP_AVC;
         netlink_broadcast(selnl, skb, 0, SELNL_GRP_AVC, GFP_USER);
 out:
         return;