Closed
Description
Description
The following code:
<?php
for ($i=0; $i<=$mb; $i++) {
$var.= str_repeat('a',1*1024*1024);
}
$x=$var;
output_add_rewrite_var($x,$x);Resulted in this output:
Segmentation fault (core dumped)
UBSan:
ext/standard/url_scanner_ex.re:695:6: runtime error: member access within null pointer of type 'zend_string' (aka 'struct _zend_string')
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ext/standard/url_scanner_ex.re:695:6
PHP Version
PHP 8.4.0-dev
Operating System
ubuntu 22.04