Merge branch 'PHP-8.1'

* PHP-8.1:
  Fix use after free

Author: dstogov

ext/standard/tests/streams/user_streams_context_001.phpt

@@ -0,0 +1,15 @@
+--TEST--
+User streams and incrrectly typed context
+--FILE--
+<?php
+class Wrapper {
+    public Foo $context;
+}
+if (stream_wrapper_register('foo', Wrapper::class)) dir('foo://');
+?>
+--EXPECTF--
+Fatal error: Uncaught TypeError: Cannot assign resource to property Wrapper::$context of type Foo in %suser_streams_context_001.php:5
+Stack trace:
+#0 %suser_streams_context_001.php(5): dir('foo://')
+#1 {main}
+  thrown in %suser_streams_context_001.php on line 5

main/streams/userspace.c

@@ -298,8 +298,8 @@ static void user_stream_create_object(struct php_user_stream_wrapper *uwrap, php
 	}
 
 	if (context) {
-		add_property_resource(object, "context", context->res);
 		GC_ADDREF(context->res);
+		add_property_resource(object, "context", context->res);
 	} else {
 		add_property_null(object, "context");
 	}