nodejs
diff --git a/‎lib/net.js‎
Lines changed: 2 additions & 0 deletions b/‎lib/net.js‎
Lines changed: 2 additions & 0 deletions
diff --git a/‎test/parallel/test-net-connect-options-invalid.js‎
Lines changed: 12 additions & 0 deletions b/‎test/parallel/test-net-connect-options-invalid.js‎
Lines changed: 12 additions & 0 deletions
@@ -1311,6 +1311,8 @@ function lookupAndConnect(self, options) {
   const host = options.host || 'localhost';
   let { port, autoSelectFamilyAttemptTimeout, autoSelectFamily } = options;
 
+  validateString(host, 'options.host');
+
   if (localAddress && !isIP(localAddress)) {
     throw new ERR_INVALID_IP_ADDRESS(localAddress);
   }
 
@@ -25,3 +25,15 @@ const net = require('net');
     });
   });
 }
+
+{
+  assert.throws(() => {
+    net.createConnection({
+      host: ['192.168.0.1'],
+      port: 8080,
+    });
+  }, {
+    code: 'ERR_INVALID_ARG_TYPE',
+    name: 'TypeError',
+  });
+}
Original file line number	Diff line number	Diff line change
@@ -1311,6 +1311,8 @@ function lookupAndConnect(self, options) {
1311	1311	const host = options.host \|\| 'localhost';
1312	1312	let { port, autoSelectFamilyAttemptTimeout, autoSelectFamily } = options;
1313	1313
	1314	+ validateString(host, 'options.host');
	1315	+
1314	1316	if (localAddress && !isIP(localAddress)) {
1315	1317	throw new ERR_INVALID_IP_ADDRESS(localAddress);
1316	1318	}