1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 11c4ca13ec3b..5c5db6636704 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -257,6 +257,9 @@ 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. */