diff options
| -rw-r--r-- | include/net/sock.h | 1 | ||||
| -rw-r--r-- | net/ax25/af_ax25.c | 3 | ||||
| -rw-r--r-- | net/decnet/af_decnet.c | 3 | ||||
| -rw-r--r-- | net/ipv4/af_inet.c | 3 | ||||
| -rw-r--r-- | net/ipv6/af_inet6.c | 3 | ||||
| -rw-r--r-- | net/irda/af_irda.c | 3 |
6 files changed, 16 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index b6abd4ff6b1..183120761ca 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -303,6 +303,7 @@ struct sock { sk_no_check : 2, sk_userlocks : 4, sk_protocol : 8, +#define SK_PROTOCOL_MAX U8_MAX sk_type : 16; kmemcheck_bitfield_end(flags); int sk_wmem_queued; diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 86ac37f8e22..6fab760fafa 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -806,6 +806,9 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol, struct sock *sk; ax25_cb *ax25; + if (protocol < 0 || protocol > SK_PROTOCOL_MAX) + return -EINVAL; + if (!net_eq(net, &init_net)) return -EAFNOSUPPORT; diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index d71f0d2b8dd..301a2d10e2c 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -680,6 +680,9 @@ static int dn_create(struct net *net, struct socket *sock, int protocol, { struct sock *sk; + if (protocol < 0 || protocol > SK_PROTOCOL_MAX) + return -EINVAL; + if (!net_eq(net, &init_net)) return -EAFNOSUPPORT; diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index ba78b76b8f1..bd58a82dc64 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -293,6 +293,9 @@ static int inet_create(struct net *net, struct socket *sock, int protocol, int try_loading_module = 0; int err; + if (protocol < 0 || protocol >= IPPROTO_MAX) + return -EINVAL; + if (!current_has_network()) return -EACCES; diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 8ab921a6ada..e80bb5a3830 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -124,6 +124,9 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol, int try_loading_module = 0; int err; + if (protocol < 0 || protocol >= IPPROTO_MAX) + return -EINVAL; + if (!current_has_network()) return -EACCES; diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 402af94b968..26cf2f9c07c 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -1106,6 +1106,9 @@ static int irda_create(struct net *net, struct socket *sock, int protocol, IRDA_DEBUG(2, "%s()\n", __func__); + if (protocol < 0 || protocol > SK_PROTOCOL_MAX) + return -EINVAL; + if (net != &init_net) return -EAFNOSUPPORT; |