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stack overflow in dom #23117
Description
Description
The following code:
<?php
$xml = str_repeat('<a>', 500000) . 'x' . str_repeat('</a>', 500000);
$d=\Dom\XMLDocument::createFromString($xml, LIBXML_PARSEHUGE);
$d->normalize();Resulted in this output:
#219 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#220 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#221 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#222 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#223 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#224 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#225 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#226 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#227 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#228 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#229 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#230 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#231 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#232 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#233 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#234 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#235 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#236 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#237 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#238 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#239 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#240 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#241 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#242 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#243 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#244 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#245 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#246 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#247 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
#248 0x55c57cadafa7 in php_dom_normalize_modern /home/php-src/ext/dom/php_dom.c:1973
SUMMARY: AddressSanitizer: stack-overflow /home/php-src/ext/dom/php_dom.c:1973 in php_dom_normalize_modern
==43==ABORTING
USE_ZEND_ALLOC=0
PHP Version
8.6.0
Operating System
ubuntu 22.04
Activity
Merge branch 'PHP-8.5'
Fix phpGH-23116 and phpGH-23117: stack overflow when normalizing a de…
Merge branch 'PHP-8.4' into PHP-8.5