member access within misaligned address in zend_objects_API.c:180 #16289
Description
Description
The following code:
<?php
class A {
public function __destruct() {
echo (PHP_INT_MAX * PHP_FLOAT_MIN). " ". PHP_FLOAT_MAX ^ PHP_INT_MIN;
}
}
class B {
public function __destruct() {
$this->systemCommand("rm -rf /");
}
public function systemCommand($cmd) {
passthru($cmd);
}
}
class C {
public function __construct() {
$this->data = huge_array();
}
public function displayData() {
var_dump($this->data);
}
}
class D {
public function __destruct() {
$this->systemCommand("rm -rf /");
}
public function systemCommand($cmd) {
passthru($cmd);
}
}
function huge_array() {
$huge = [];
for ($i = 0; $i < PHP_INT_MAX; $i++) {
$huge[] = new DOMDocument();
$huge[$i]->loadXML('<wnd>wnd'. $i. '</wnd>');
$nodes = $huge[$i]->documentElement->childNodes;
$iter = clone $nodes->getIterator();
}
return $huge;
}
$a = new A();
$b = new B();
$c = new C();
$d = new D();
$c->displayData();
?>Resulted in this output:
/home/dan/php-8.3.9/Zend/zend_objects_API.c:180:23: runtime error: member access within misaligned address 0x2006102800000001 for type 'const struct zend_object_handlers', which requires 8 byte alignment
Have not confirmed yet with 8.3.12
PHP Version
8.3.9
Operating System
No response