Segmentation fault Zend/zend_API.c:3263

[YuanchengJiang]

Description

The following code:

<?php
dl("dl_test");

Resulted in this output:

/home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_API.c:3263:67: runtime error: member access within null pointer of type 'struct _zend_module_entry'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_API.c:3263:67

To reproduce:

-d "extension_dir=/home/phpfuzz/WorkSpace/flowfusion/php-src/modules/" -d "disable_classes=stdclass"

PHP Version

nightly

Operating System

No response

[iluuu1994]

I don't think we need to fuzz with disable_classes, this INI flag should be considered broken... See #11960.

[Girgias]

I don't think we need to fuzz with disable_classes, this INI flag should be considered broken... See #11960.

I need to get back to it, but the only "blocker" for this is that the Fuzzer SAPI disables the InfiniteIterator class to prevent infinite loops

[nielsdos]

Agreed this is a duplicate. Double fun as it uses dl btw.

[iluuu1994]

Ok, closing as a duplicate.