php / php/php-src

assertion failure spl_fixedarray

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#18,274 17 comments 0 reactions 1 assignee View on GitHub

@ndossche is already working on this.

Since Apr 8, 2025.

Bug Extension: spl Status: Verified
Dominant language
C
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Description

Description

The following code:

<?php
set_error_handler('func_get_args');
function foo() {
for ($cnt = 0; $cnt < 6; $cnt++) {
$b = new SplFixedArray(1);
$b[0] = $a;
}
}
@foo();

Resulted in this output:

php: /home/phpfuzz/WorkSpace/flowfusion/php-src/ext/spl/spl_fixedarray.c:357: zend_ulong spl_offset_convert_to_ulong(const zval *): Assertion `!(((zend_executor_globals *) (((char*) _tsrm_ls_cache)+(executor_globals_offset)))->exception)' failed.
Aborted (core dumped)

To reproduce:

./php-src/sapi/cli/php  ./test.php

Commit:

ac9392b855cc4db6792a8379223e1fd1bbebd157

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 report is automatically generated by FlowFusion

PHP Version

ac9392b855cc4db6792a8379223e1fd1bbebd157

Operating System

No response

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