fix memory leak & add test

ext/standard/http_fopen_wrapper.c

@@ -922,8 +922,13 @@ out:
 		if (transfer_encoding) {
 			php_stream_filter_append(&stream->readfilters, transfer_encoding);
 		}
-	} else if (transfer_encoding) {
+	} else {
-		php_stream_filter_free(transfer_encoding TSRMLS_CC);
+		if(response_header) {
+			Z_DELREF_P(response_header);
+		}
+		if (transfer_encoding) {
+			php_stream_filter_free(transfer_encoding TSRMLS_CC);
+		}
 	}
 
 	return stream;

ext/standard/tests/http/bug69337.phpt

@@ -0,0 +1,41 @@
+--TEST--
+Bug #69337 (Stream context leaks when http request fails)
+--SKIPIF--
+<?php require 'server.inc'; http_server_skipif('tcp://127.0.0.1:22345'); ?>
+--INI--
+allow_url_fopen=1
+allow_url_include=1
+--FILE--
+<?php
+require 'server.inc';
+
+function stream_notification_callback($notification_code, $severity, $message, $message_code, $bytes_transferred, $bytes_max)
+{
+	if($notification_code == STREAM_NOTIFY_REDIRECTED) {
+	  // $http_response_header is now a string, but will be used as an array
+     // by php_stream_url_wrap_http_ex() later on
+       $GLOBALS['http_response_header'] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\0\0\0\0";
+    }
+}
+
+$ctx = stream_context_create();
+stream_context_set_params($ctx, array("notification" => "stream_notification_callback"));
+
+$responses = array(
+	"data://text/plain,HTTP/1.0 302 Found\r\nLocation: http://127.0.0.1:22345/try-again\r\n\r\n",
+	"data://text/plain,HTTP/1.0 404 Not Found\r\n\r\n",
+);
+
+$pid = http_server("tcp://127.0.0.1:22345", $responses, $output);
+
+$f = file_get_contents('http://127.0.0.1:22345/', 0, $ctx);
+
+http_server_kill($pid);
+var_dump($f);
+?>
+==DONE==
+--EXPECTF--
+string(26) "HTTP/1.0 404 Not Found
+
+"
+==DONE==