Zend: Fix lazy object registry deletion under OOM conditions

Zend/tests/gh22520.phpt

@@ -0,0 +1,32 @@
+--TEST--
+GH-22520: Lazy object OOM should not crash zend_lazy_object_del_info
+--SKIPIF--
+<?php
+if (!getenv('RUN_RESOURCE_HEAVY_TESTS')) die('skip resource-heavy test');
+if (getenv('SKIP_SLOW_TESTS')) die('skip slow test');
+if (PHP_INT_SIZE != 8) die('skip 64-bit only');
+?>
+--INI--
+memory_limit=2M
+--FILE--
+<?php
+
+class C {
+    public $a;
+}
+
+$str = str_repeat('a', 1024 * 1024 * 1.25);
+
+try {
+    $reflector = new ReflectionClass(C::class);
+    for ($i = 0; $i < 10000; $i++) {
+        $obj = $reflector->newLazyGhost(function ($obj) {});
+        $reflector->getProperty('a')->setRawValueWithoutLazyInitialization($obj, $obj);
+    }
+} catch (Throwable $e) {
+    echo "Caught: " . $e->getMessage() . "\n";
+}
+
+?>
+--EXPECTF--
+Fatal error: Allowed memory size of %d bytes exhausted %s in %s on line %d

Zend/zend_lazy_objects.c

@@ -161,7 +161,7 @@ zend_lazy_object_flags_t zend_lazy_object_get_flags(const zend_object *obj)
 void zend_lazy_object_del_info(const zend_object *obj)
 {
 	zend_result res = zend_hash_index_del(&EG(lazy_objects_store).infos, obj->handle);
-	ZEND_ASSERT(res == SUCCESS);
+	ZEND_ASSERT(res == SUCCESS || CG(unclean_shutdown));
 }
 
 bool zend_lazy_object_decr_lazy_props(const zend_object *obj)