Blob Blame Raw
commit abbee616fa69a781c6e58249318a7ae6796a3394
Author: Eric Paris <eparis@redhat.com>
Date:   Thu Nov 5 20:45:52 2009 -0800

    net: check kern before calling security subsystem
    
    Before calling capable(CAP_NET_RAW) check if this operations is on behalf
    of the kernel or on behalf of userspace.  Do not do the security check if
    it is on behalf of the kernel.
    
    Signed-off-by: Eric Paris <eparis@redhat.com>
    Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

commit 8b7950c0735ab6228f08e7b19fc0f94c09c7f2ba
Author: Eric Paris <eparis@redhat.com>
Date:   Thu Nov 5 22:18:14 2009 -0800

    net: pass kern to net_proto_family create function
    
    The generic __sock_create function has a kern argument which allows the
    security system to make decisions based on if a socket is being created by
    the kernel or by userspace.  This patch passes that flag to the
    net_proto_family specific create function, so it can do the same thing.
    
    Signed-off-by: Eric Paris <eparis@redhat.com>
    Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

---
 drivers/isdn/mISDN/socket.c    |    2 +-
 drivers/net/pppox.c            |    3 ++-
 include/linux/net.h            |    3 ++-
 net/appletalk/ddp.c            |    3 ++-
 net/atm/pvc.c                  |    3 ++-
 net/atm/svc.c                  |    7 ++++---
 net/ax25/af_ax25.c             |    3 ++-
 net/bluetooth/af_bluetooth.c   |    5 +++--
 net/bluetooth/bnep/sock.c      |    3 ++-
 net/bluetooth/cmtp/sock.c      |    3 ++-
 net/bluetooth/hci_sock.c       |    3 ++-
 net/bluetooth/hidp/sock.c      |    3 ++-
 net/bluetooth/l2cap.c          |    5 +++--
 net/bluetooth/rfcomm/sock.c    |    3 ++-
 net/bluetooth/sco.c            |    3 ++-
 net/can/af_can.c               |    3 ++-
 net/decnet/af_decnet.c         |    3 ++-
 net/econet/af_econet.c         |    3 ++-
 net/ieee802154/af_ieee802154.c |    2 +-
 net/ipv4/af_inet.c             |    5 +++--
 net/ipv6/af_inet6.c            |    5 +++--
 net/ipx/af_ipx.c               |    3 ++-
 net/irda/af_irda.c             |    7 ++++---
 net/iucv/af_iucv.c             |    3 ++-
 net/key/af_key.c               |    3 ++-
 net/llc/af_llc.c               |    5 ++++-
 net/netlink/af_netlink.c       |    3 ++-
 net/netrom/af_netrom.c         |    3 ++-
 net/packet/af_packet.c         |    3 ++-
 net/phonet/af_phonet.c         |    3 ++-
 net/rds/af_rds.c               |    3 ++-
 net/rose/af_rose.c             |    3 ++-
 net/rxrpc/af_rxrpc.c           |    3 ++-
 net/socket.c                   |    2 +-
 net/tipc/socket.c              |    6 ++++--
 net/unix/af_unix.c             |    3 ++-
 net/x25/af_x25.c               |    3 ++-
 37 files changed, 83 insertions(+), 46 deletions(-)

diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index feb0fa4..8167346 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -779,7 +779,7 @@ base_sock_create(struct net *net, struct socket *sock, int protocol)
 }
 
 static int
-mISDN_sock_create(struct net *net, struct socket *sock, int proto)
+mISDN_sock_create(struct net *net, struct socket *sock, int proto, int kern)
 {
 	int err = -EPROTONOSUPPORT;
 
diff --git a/drivers/net/pppox.c b/drivers/net/pppox.c
index 4f6d33f..a155baf 100644
--- a/drivers/net/pppox.c
+++ b/drivers/net/pppox.c
@@ -104,7 +104,8 @@ int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 
 EXPORT_SYMBOL(pppox_ioctl);
 
-static int pppox_create(struct net *net, struct socket *sock, int protocol)
+static int pppox_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	int rc = -EPROTOTYPE;
 
diff --git a/include/linux/net.h b/include/linux/net.h
index 529a093..3a63efd 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -200,7 +200,8 @@ struct proto_ops {
 
 struct net_proto_family {
 	int		family;
-	int		(*create)(struct net *net, struct socket *sock, int protocol);
+	int		(*create)(struct net *net, struct socket *sock,
+				  int protocol, int kern);
 	struct module	*owner;
 };
 
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index b1a4290..7c22d90 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1021,7 +1021,8 @@ static struct proto ddp_proto = {
  * Create a socket. Initialise the socket, blank the addresses
  * set the state.
  */
-static int atalk_create(struct net *net, struct socket *sock, int protocol)
+static int atalk_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	struct sock *sk;
 	int rc = -ESOCKTNOSUPPORT;
diff --git a/net/atm/pvc.c b/net/atm/pvc.c
index d4c0245..e879725 100644
--- a/net/atm/pvc.c
+++ b/net/atm/pvc.c
@@ -127,7 +127,8 @@ static const struct proto_ops pvc_proto_ops = {
 };
 
 
-static int pvc_create(struct net *net, struct socket *sock,int protocol)
+static int pvc_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	if (net != &init_net)
 		return -EAFNOSUPPORT;
diff --git a/net/atm/svc.c b/net/atm/svc.c
index f90d143..ed096a6 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -25,7 +25,7 @@
 #include "signaling.h"
 #include "addr.h"
 
-static int svc_create(struct net *net, struct socket *sock,int protocol);
+static int svc_create(struct net *net, struct socket *sock, int protocol, int kern);
 
 /*
  * Note: since all this is still nicely synchronized with the signaling demon,
@@ -330,7 +330,7 @@ static int svc_accept(struct socket *sock,struct socket *newsock,int flags)
 
 	lock_sock(sk);
 
-	error = svc_create(sock_net(sk), newsock,0);
+	error = svc_create(sock_net(sk), newsock, 0, 0);
 	if (error)
 		goto out;
 
@@ -650,7 +650,8 @@ static const struct proto_ops svc_proto_ops = {
 };
 
 
-static int svc_create(struct net *net, struct socket *sock,int protocol)
+static int svc_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	int error;
 
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index f454607..274d5c0 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -800,7 +800,8 @@ static struct proto ax25_proto = {
 	.obj_size = sizeof(struct sock),
 };
 
-static int ax25_create(struct net *net, struct socket *sock, int protocol)
+static int ax25_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	struct sock *sk;
 	ax25_cb *ax25;
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 8cfb5a8..af074ed 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -126,7 +126,8 @@ int bt_sock_unregister(int proto)
 }
 EXPORT_SYMBOL(bt_sock_unregister);
 
-static int bt_sock_create(struct net *net, struct socket *sock, int proto)
+static int bt_sock_create(struct net *net, struct socket *sock, int proto,
+			  int kern)
 {
 	int err;
 
@@ -144,7 +145,7 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto)
 	read_lock(&bt_proto_lock);
 
 	if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) {
-		err = bt_proto[proto]->create(net, sock, proto);
+		err = bt_proto[proto]->create(net, sock, proto, kern);
 		bt_sock_reclassify_lock(sock, proto);
 		module_put(bt_proto[proto]->owner);
 	}
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index e857628..ee86b31 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -195,7 +195,8 @@ static struct proto bnep_proto = {
 	.obj_size	= sizeof(struct bt_sock)
 };
 
-static int bnep_sock_create(struct net *net, struct socket *sock, int protocol)
+static int bnep_sock_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index 16b0fad..536482f 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -190,7 +190,8 @@ static struct proto cmtp_proto = {
 	.obj_size	= sizeof(struct bt_sock)
 };
 
-static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol)
+static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 75302a9..94a138f 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -621,7 +621,8 @@ static struct proto hci_sk_proto = {
 	.obj_size	= sizeof(struct hci_pinfo)
 };
 
-static int hci_sock_create(struct net *net, struct socket *sock, int protocol)
+static int hci_sock_create(struct net *net, struct socket *sock, int protocol,
+			   int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c
index 37c9d7d..40fac2c 100644
--- a/net/bluetooth/hidp/sock.c
+++ b/net/bluetooth/hidp/sock.c
@@ -241,7 +241,8 @@ static struct proto hidp_proto = {
 	.obj_size	= sizeof(struct bt_sock)
 };
 
-static int hidp_sock_create(struct net *net, struct socket *sock, int protocol)
+static int hidp_sock_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 8d1c4a9..0fdf477 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -819,7 +819,8 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
 	return sk;
 }
 
-static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol)
+static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
+			     int kern)
 {
 	struct sock *sk;
 
@@ -831,7 +832,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol)
 			sock->type != SOCK_DGRAM && sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
 
-	if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
+	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
 		return -EPERM;
 
 	sock->ops = &l2cap_sock_ops;
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 30a3649..f596455 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -323,7 +323,8 @@ static struct sock *rfcomm_sock_alloc(struct net *net, struct socket *sock, int
 	return sk;
 }
 
-static int rfcomm_sock_create(struct net *net, struct socket *sock, int protocol)
+static int rfcomm_sock_create(struct net *net, struct socket *sock,
+			      int protocol, int kern)
 {
 	struct sock *sk;
 
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 5c0685e..2c06950 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -430,7 +430,8 @@ static struct sock *sco_sock_alloc(struct net *net, struct socket *sock, int pro
 	return sk;
 }
 
-static int sco_sock_create(struct net *net, struct socket *sock, int protocol)
+static int sco_sock_create(struct net *net, struct socket *sock, int protocol,
+			   int kern)
 {
 	struct sock *sk;
 
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 6068321..bcd546f 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -114,7 +114,8 @@ static void can_sock_destruct(struct sock *sk)
 	skb_queue_purge(&sk->sk_receive_queue);
 }
 
-static int can_create(struct net *net, struct socket *sock, int protocol)
+static int can_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	struct sock *sk;
 	struct can_proto *cp;
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 7a58c87..5540230 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -675,7 +675,8 @@ char *dn_addr2asc(__u16 addr, char *buf)
 
 
 
-static int dn_create(struct net *net, struct socket *sock, int protocol)
+static int dn_create(struct net *net, struct socket *sock, int protocol,
+		     int kern)
 {
 	struct sock *sk;
 
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 0e0254f..b9d5f2f 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -605,7 +605,8 @@ static struct proto econet_proto = {
  *	Create an Econet socket
  */
 
-static int econet_create(struct net *net, struct socket *sock, int protocol)
+static int econet_create(struct net *net, struct socket *sock, int protocol,
+			 int kern)
 {
 	struct sock *sk;
 	struct econet_sock *eo;
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index cd949d5..40dcb54 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -234,7 +234,7 @@ static const struct proto_ops ieee802154_dgram_ops = {
  * set the state.
  */
 static int ieee802154_create(struct net *net, struct socket *sock,
-		int protocol)
+			     int protocol, int kern)
 {
 	struct sock *sk;
 	int rc;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 57737b8..e718ab6 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -262,7 +262,8 @@ static inline int inet_netns_ok(struct net *net, int protocol)
  *	Create an inet socket.
  */
 
-static int inet_create(struct net *net, struct socket *sock, int protocol)
+static int inet_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	struct sock *sk;
 	struct inet_protosw *answer;
@@ -325,7 +326,7 @@ lookup_protocol:
 	}
 
 	err = -EPERM;
-	if (answer->capability > 0 && !capable(answer->capability))
+	if (answer->capability > 0 && !kern && !capable(answer->capability))
 		goto out_rcu_unlock;
 
 	err = -EAFNOSUPPORT;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index e127a32..10776f0 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -95,7 +95,8 @@ static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk)
 	return (struct ipv6_pinfo *)(((u8 *)sk) + offset);
 }
 
-static int inet6_create(struct net *net, struct socket *sock, int protocol)
+static int inet6_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	struct inet_sock *inet;
 	struct ipv6_pinfo *np;
@@ -158,7 +159,7 @@ lookup_protocol:
 	}
 
 	err = -EPERM;
-	if (answer->capability > 0 && !capable(answer->capability))
+	if (answer->capability > 0 && !kern && !capable(answer->capability))
 		goto out_rcu_unlock;
 
 	sock->ops = answer->ops;
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 66c7a20..7a7ac38 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1352,7 +1352,8 @@ static struct proto ipx_proto = {
 	.obj_size = sizeof(struct ipx_sock),
 };
 
-static int ipx_create(struct net *net, struct socket *sock, int protocol)
+static int ipx_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	int rc = -ESOCKTNOSUPPORT;
 	struct sock *sk;
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index dd35641..ef1ac44 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -61,7 +61,7 @@
 
 #include <net/irda/af_irda.h>
 
-static int irda_create(struct net *net, struct socket *sock, int protocol);
+static int irda_create(struct net *net, struct socket *sock, int protocol, int kern);
 
 static const struct proto_ops irda_stream_ops;
 static const struct proto_ops irda_seqpacket_ops;
@@ -839,7 +839,7 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
 
 	IRDA_DEBUG(2, "%s()\n", __func__);
 
-	err = irda_create(sock_net(sk), newsock, sk->sk_protocol);
+	err = irda_create(sock_net(sk), newsock, sk->sk_protocol, 0);
 	if (err)
 		return err;
 
@@ -1062,7 +1062,8 @@ static struct proto irda_proto = {
  *    Create IrDA socket
  *
  */
-static int irda_create(struct net *net, struct socket *sock, int protocol)
+static int irda_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	struct sock *sk;
 	struct irda_sock *self;
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index bada1b9..efc05e1 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -482,7 +482,8 @@ static struct sock *iucv_sock_alloc(struct socket *sock, int proto, gfp_t prio)
 }
 
 /* Create an IUCV socket */
-static int iucv_sock_create(struct net *net, struct socket *sock, int protocol)
+static int iucv_sock_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 4e98193..8c44f69 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -177,7 +177,8 @@ static struct proto key_proto = {
 	.obj_size = sizeof(struct pfkey_sock),
 };
 
-static int pfkey_create(struct net *net, struct socket *sock, int protocol)
+static int pfkey_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
 	struct sock *sk;
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 7aa4fd1..6f38b8a 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -140,14 +140,17 @@ static struct proto llc_proto = {
 
 /**
  *	llc_ui_create - alloc and init a new llc_ui socket
+ *	@net: network namespace (must be default network)
  *	@sock: Socket to initialize and attach allocated sk to.
  *	@protocol: Unused.
+ *	@kern: on behalf of kernel or userspace
  *
  *	Allocate and initialize a new llc_ui socket, validate the user wants a
  *	socket type we have available.
  *	Returns 0 upon success, negative upon failure.
  */
-static int llc_ui_create(struct net *net, struct socket *sock, int protocol)
+static int llc_ui_create(struct net *net, struct socket *sock, int protocol,
+			 int kern)
 {
 	struct sock *sk;
 	int rc = -ESOCKTNOSUPPORT;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 5a7dcdf..eadedb5 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -428,7 +428,8 @@ static int __netlink_create(struct net *net, struct socket *sock,
 	return 0;
 }
 
-static int netlink_create(struct net *net, struct socket *sock, int protocol)
+static int netlink_create(struct net *net, struct socket *sock, int protocol,
+			  int kern)
 {
 	struct module *module = NULL;
 	struct mutex *cb_mutex;
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 7a83495..837e10b 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -425,7 +425,8 @@ static struct proto nr_proto = {
 	.obj_size = sizeof(struct nr_sock),
 };
 
-static int nr_create(struct net *net, struct socket *sock, int protocol)
+static int nr_create(struct net *net, struct socket *sock, int protocol,
+		     int kern)
 {
 	struct sock *sk;
 	struct nr_sock *nr;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 41866eb..e0e3f6c 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1350,7 +1350,8 @@ static struct proto packet_proto = {
  *	Create a packet of type SOCK_PACKET.
  */
 
-static int packet_create(struct net *net, struct socket *sock, int protocol)
+static int packet_create(struct net *net, struct socket *sock, int protocol,
+			 int kern)
 {
 	struct sock *sk;
 	struct packet_sock *po;
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index f60c0c2..61bcae9 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -60,7 +60,8 @@ static inline void phonet_proto_put(struct phonet_protocol *pp)
 
 /* protocol family functions */
 
-static int pn_socket_create(struct net *net, struct socket *sock, int protocol)
+static int pn_socket_create(struct net *net, struct socket *sock, int protocol,
+			    int kern)
 {
 	struct sock *sk;
 	struct pn_sock *pn;
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 98e0538..ca35aad 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -407,7 +407,8 @@ static int __rds_create(struct socket *sock, struct sock *sk, int protocol)
 	return 0;
 }
 
-static int rds_create(struct net *net, struct socket *sock, int protocol)
+static int rds_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	struct sock *sk;
 
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 502cce7..f167ed0 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -512,7 +512,8 @@ static struct proto rose_proto = {
 	.obj_size = sizeof(struct rose_sock),
 };
 
-static int rose_create(struct net *net, struct socket *sock, int protocol)
+static int rose_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	struct sock *sk;
 	struct rose_sock *rose;
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index a86afce..b37e304 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -608,7 +608,8 @@ static unsigned int rxrpc_poll(struct file *file, struct socket *sock,
 /*
  * create an RxRPC socket
  */
-static int rxrpc_create(struct net *net, struct socket *sock, int protocol)
+static int rxrpc_create(struct net *net, struct socket *sock, int protocol,
+			int kern)
 {
 	struct rxrpc_sock *rx;
 	struct sock *sk;
diff --git a/net/socket.c b/net/socket.c
index 7565536..55c6e4f 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1216,7 +1216,7 @@ static int __sock_create(struct net *net, int family, int type, int protocol,
 	/* Now protected by module ref count */
 	rcu_read_unlock();
 
-	err = pf->create(net, sock, protocol);
+	err = pf->create(net, sock, protocol, kern);
 	if (err < 0)
 		goto out_module_put;
 
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index e6d9abf..d00c211 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -177,6 +177,7 @@ static void reject_rx_queue(struct sock *sk)
  * @net: network namespace (must be default network)
  * @sock: pre-allocated socket structure
  * @protocol: protocol indicator (must be 0)
+ * @kern: caused by kernel or by userspace?
  *
  * This routine creates additional data structures used by the TIPC socket,
  * initializes them, and links them together.
@@ -184,7 +185,8 @@ static void reject_rx_queue(struct sock *sk)
  * Returns 0 on success, errno otherwise
  */
 
-static int tipc_create(struct net *net, struct socket *sock, int protocol)
+static int tipc_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	const struct proto_ops *ops;
 	socket_state state;
@@ -1528,7 +1530,7 @@ static int accept(struct socket *sock, struct socket *new_sock, int flags)
 
 	buf = skb_peek(&sk->sk_receive_queue);
 
-	res = tipc_create(sock_net(sock->sk), new_sock, 0);
+	res = tipc_create(sock_net(sock->sk), new_sock, 0, 0);
 	if (!res) {
 		struct sock *new_sk = new_sock->sk;
 		struct tipc_sock *new_tsock = tipc_sk(new_sk);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index fc820cd..a1e3c85 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -621,7 +621,8 @@ out:
 	return sk;
 }
 
-static int unix_create(struct net *net, struct socket *sock, int protocol)
+static int unix_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	if (protocol && protocol != PF_UNIX)
 		return -EPROTONOSUPPORT;
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 7fa9c7a..62c47a4 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -501,7 +501,8 @@ out:
 	return sk;
 }
 
-static int x25_create(struct net *net, struct socket *sock, int protocol)
+static int x25_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	struct sock *sk;
 	struct x25_sock *x25;