[php-src] Issue #18845: Fuzzer `php-fuzz-execute` crashes at `zend_lazy_object_init`

Issue: https://github.com/php/php-src/issues/18845 Author: gal1ium ### Description The following code: ```php <?php class Test { public function __isset($x) { $GLOBALS["obj"] = 24; return true; } public function a($x) { } } $obj = new Test; var_dump($obj->$name ?? 12); ?> ``` Resulted in this crashing call stack by the fuzzing driver php-fuzz-execute: ``` #6 __GI___assert_fail (assertion=0xdec74d "info", file=0xe24f2e "/src/php-src/Zend/zend_lazy_objects.c", line=110, function=0xe2576a "zend_lazy_object_info *zend_lazy_object_get_info(zend_object *)") at ./assert/assert.c:103 #7 zend_lazy_object_init () at Zend/zend_lazy_objects.c:513 #8 zend_std_read_property () at Zend/zend_object_handlers.c:954 #9 ZEND_FETCH_OBJ_IS_SPEC_CV_CV_HANDLER () at Zend/zend_vm_execute.h:52811 #10 fuzzer_execute_ex () at sapi/fuzzer/fuzzer-execute-common.h:59 #11 zend_execute () at Zend/zend_vm_execute.h:64385 #12 fuzzer_do_request_from_buffer () at sapi/fuzzer/fuzzer-sapi.c:274 #13 LLVMFuzzerTestOneInput () at sapi/fuzzer/fuzzer-execute.c:27 ``` ### PHP Version ```plain dbabbe180b157eeaac5002276667f1f56f0b4def 2025-06-10 22:35:56+0200 ``` ### Operating System Linux