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 d4a6b45f337f..dd06b32abea3 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -376,6 +376,7 @@ struct sock { sk_no_check_rx : 1, 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 c35c3f48fc0f..1428c3ff3341 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 ae011b46c071..0d3cc9566f0f 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -677,6 +677,9 @@ 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 6ebb8f6235c9..9da88765e88e 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -259,6 +259,9 @@ 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; + sock->state = SS_UNCONNECTED; /* Look for the requested type/protocol pair. */ diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 8966f3ca0d59..8aabacdd5dd7 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -109,6 +109,9 @@ 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; + /* Look for the requested type/protocol pair. */ lookup_protocol: err = -ESOCKTNOSUPPORT; diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 54747c25c86c..f945293c17f0 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -1103,6 +1103,9 @@ 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; |