From 4759921323463c992e11c79d73fd8d9f7e32a790 Mon Sep 17 00:00:00 2001
From: Marco Ippolito <marcoippolito54@gmail.com>
Date: Wed, 11 Jan 2023 14:56:41 +0100
Subject: [PATCH 1/2] http: writeHead if statusmessage is undefined dont
 override headers

---
 lib/_http_server.js                     |  4 +++-
 test/parallel/test-http-write-head-2.js | 18 ++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/lib/_http_server.js b/lib/_http_server.js
index 62a26cdbaccd71..4370bf8d24eead 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -352,7 +352,9 @@ function writeHead(statusCode, reason, obj) {
     // writeHead(statusCode[, headers])
     if (!this.statusMessage)
       this.statusMessage = STATUS_CODES[statusCode] || 'unknown';
-    obj = reason;
+    if (!obj) {
+      obj = reason;
+    }
   }
   this.statusCode = statusCode;
 
diff --git a/test/parallel/test-http-write-head-2.js b/test/parallel/test-http-write-head-2.js
index a47d0d72e3be56..d64b8259f01215 100644
--- a/test/parallel/test-http-write-head-2.js
+++ b/test/parallel/test-http-write-head-2.js
@@ -59,3 +59,21 @@ const http = require('http');
     }));
   }));
 }
+
+{
+  const server = http.createServer(common.mustCall((req, res) => {
+    res.writeHead(200, undefined, [ 'foo', 'bar' ]);
+    res.end();
+  }));
+
+  server.listen(0, common.mustCall(() => {
+    http.get({ port: server.address().port }, common.mustCall((res) => {
+      assert.strictEqual(res.statusMessage, 'OK');
+      assert.strictEqual(res.statusCode, 200);
+      assert.strictEqual(res.headers.foo, 'bar');
+      res.resume().on('end', common.mustCall(() => {
+        server.close();
+      }));
+    }));
+  }));
+}

From beb89afe03baf54d4e49f5e16db9ae79b06253d2 Mon Sep 17 00:00:00 2001
From: Marco Ippolito <marcoippolito54@gmail.com>
Date: Wed, 11 Jan 2023 17:47:56 +0100
Subject: [PATCH 2/2] http: nit

---
 lib/_http_server.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/_http_server.js b/lib/_http_server.js
index 4370bf8d24eead..13add348d317e9 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -352,9 +352,7 @@ function writeHead(statusCode, reason, obj) {
     // writeHead(statusCode[, headers])
     if (!this.statusMessage)
       this.statusMessage = STATUS_CODES[statusCode] || 'unknown';
-    if (!obj) {
-      obj = reason;
-    }
+    obj ??= reason;
   }
   this.statusCode = statusCode;