X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=net%2Fipv4%2Faf_inet.c;h=5c5db6636704daa0c49fc13e84b2c5b282a44ed3;hb=6545f3189707c9105fcf160c2da2ddd2dacca331;hp=11c4ca13ec3b0434090b3d5cbdd7a0aae784952f;hpb=f20780f3e8feec0eebcf9fb41e1d90202fffaeff;p=firefly-linux-kernel-4.4.55.git

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. */