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Assertion failure in zend_lazy_object_get_info triggered by setRawValueWithoutLazyInitialization() and newLazyGhost() #20657
Description
Description
The following code:
<?php
class C {
public $a;
}
function test(string $name, object $obj) {
$reflector = new ReflectionClass(C::class);
$ale = new class($obj) {
function __construct(public object $obj) {}
};
$reflector->getProperty('a')->setRawValueWithoutLazyInitialization($obj, $alue);
$obj = $reflector->newLazyGhost(function ($obj) {});
test('Ghost>isUn', $obj);
}
$reflector = new ReflectionClass(C::class);
$obj = $reflector->newLazyProxy(function () {
return-new C();
});
test('Proxy', $obj);Resulted in this output:
php: /path/to/php-src/Zend/zend_lazy_objects.c:110: zend_lazy_object_get_info: Assertion `info' failed.
Aborted
Commit:
824c3891281bb4deb5a1aa245313a6c6b0ea786f
Build configuration:
CC="clang" CXX="clang++" CFLAGS="-fsanitize=address -g -O0" CXXFLAGS="-fsanitize=address -g -O0" LDFLAGS="-fsanitize=address" ./buildconf --force && ./configure --enable-debug --enable-address-sanitizer --disable-shared --with-pic --enable-mbstring --with-zlib
PHP Version
PHP 8.6.0-dev (cli) (built: Dec 6 2025 16:29:29) (NTS DEBUG)
Copyright (c) The PHP Group
Zend Engine v4.6.0-dev, Copyright (c) Zend Technologies
with Zend OPcache v8.6.0-dev, Copyright (c), by Zend Technologies
Operating System
Ubuntu 22.04
Activity
Mark object non-lazy before deleting info in zend_lazy_object_realize()
arnaud-lb commentedon Feb 3, 2026
Thank you @vi3tL0u1s!