Assertion `ns->mode == PHP_DOM_REG_FUNC_MODE_SET' failed in ext/dom/xpath_callbacks.c

[YuanchengJiang]

Description

The following code:

<?php
try {
try {
$dom = new \DOMDocument();
$rootNode = $dom->appendChild($dom->createElement('root'));
for ($i = 0; $i <= 100; $i++) {
$level1Node = $rootNode->appendChild($dom->createElement('level1'));
}
$xslStr = <<<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:php="http://php.net/xsl">
<xsl:template match="root">
<output>
<xsl:for-each select="level1">
<node>
<xsl:value-of select="php:function('testPhpFunction', .)" />
</node>
</xsl:for-each>
</output>
</xsl:template>
</xsl:stylesheet>
EOF;
$xsl = new \DOMDocument();
$xsl->loadXML($xslStr);
$xslt = new \XSLTProcessor();
$xslt->registerPHPFunctions('testPhpFunction');
} catch (\Throwable $_ffl_e) {}
try {
$xslt->importStyleSheet($xsl);
echo $xslt->transformToXML($dom);
} catch (\Throwable $_ffl_e) {}
} catch (\Throwable $_ffl_e) {}

Resulted in this output:

php: /home/fuzz/WorkSpace/fusion-fuzz/projects/php/php-src/ext/dom/xpath_callbacks.c:437: zend_result php_dom_xpath_callback_dispatch(php_dom_xpath_callbacks *, php_dom_xpath_callback_ns *, xmlXPathParserContextPtr, zval *, uint32_t, const char *, size_t): Assertion `ns->mode == PHP_DOM_REG_FUNC_MODE_SET' failed.
Aborted (core dumped)

To reproduce:

/home/fuzz/WorkSpace/fusion-fuzz/projects/php/php-src/sapi/cli/php  ./test.php

Commit:

100e8f353ea8ef841339ba4c74a0966a7eea5157

Configurations:

CC="clang-12" CXX="clang++-12" CFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" CXXFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" ./configure --enable-debug --enable-address-sanitizer --enable-undefined-sanitizer --enable-re2c-cgoto --enable-fpm --enable-litespeed --enable-phpdbg-debug --enable-zts --enable-bcmath --enable-calendar --enable-dba --enable-dl-test --enable-exif --enable-ftp --enable-gd --enable-gd-jis-conv --enable-mbstring --enable-pcntl --enable-shmop --enable-soap --enable-sockets --enable-sysvmsg --enable-zend-test --with-zlib --with-bz2 --with-curl --with-enchant --with-gettext --with-gmp --with-mhash --with-ldap --with-libedit --with-readline --with-snmp --with-sodium --with-xsl --with-zip --with-mysqli --with-pdo-mysql --with-pdo-pgsql --with-pgsql --with-sqlite3 --with-pdo-sqlite --with-webp --with-jpeg --with-freetype --enable-sigchild --with-readline --with-pcre-jit --with-iconv

Operating System:

Ubuntu 20.04 Host, Docker 0599jiangyc/flowfusion:latest

This bug was found by fusion-fuzz

PHP Version

100e8f353ea8ef841339ba4c74a0966a7eea5157

Operating System

No response