[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>
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 88f4d74..bc00061 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -93,6 +93,7 @@
}
}
+ NETLINK_CB(skb).dst_groups = 1;
return netlink_broadcast(uevent_sock, skb, 0, 1, gfp_mask);
}
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 33ceeea..4d553a1 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1152,6 +1152,8 @@
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 @@
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 @@
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 @@
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:
diff --git a/security/selinux/netlink.c b/security/selinux/netlink.c
index 341dbe25..0f7be65 100644
--- a/security/selinux/netlink.c
+++ b/security/selinux/netlink.c
@@ -80,6 +80,7 @@
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;