--- net/phonet/af_phonet.c

+++ net/phonet/af_phonet.c

@@ -67,6 +67,8 @@ static int pn_socket_create(struct net *

struct phonet_protocol *pnp;

int err;

+ if (!net_eq(net, &init_net))

+ return -EAFNOSUPPORT;

if (!capable(CAP_SYS_ADMIN))

return -EPERM;

@@ -353,6 +355,8 @@ static int phonet_rcv(struct sk_buff *sk

struct sockaddr_pn sa;

u16 len;

+ if (!net_eq(net, &init_net))

+ goto out;

/* check we have at least a full Phonet header */

if (!pskb_pull(skb, sizeof(struct phonethdr)))

goto out;