Bug #78956 [NEW]: ArrayObject becomes SEGV under certain conditions.
From: zeriyoshi at gmail dot com
Operating system: Linux
PHP version: 7.4.0
Package: SPL related
Bug Type: Bug
Bug description:ArrayObject becomes SEGV under certain conditions.
Description:
------------
Call property_exists function in offsetExists method, ArrayObject raise
Segmentation fault.
Test script:
---------------
<?php
// OK (Handled with memory-size over.)
// property_exists(
// new class ([], \ArrayObject::ARRAY_AS_PROPS) extends \ArrayObject
{
// public function offsetExists($index)
// {
// return $this->offsetExists($index);
// }
// },
// 'foo'
// );
// NG (SEGV)
property_exists(
new class ([], \ArrayObject::ARRAY_AS_PROPS) extends \ArrayObject {
public function offsetExists($index)
{
return property_exists($this, $index);
}
},
'foo'
);
Expected result:
----------------
Fatal error: Allowed memory size of %d bytes exhausted (tried to
allocate %d bytes) in %s on line %d
Actual result:
--------------
Segmentation fault
--
Edit bug report at https://bugs.php.net/bug.php?id=78956&edit=1
--
Fix committed: https://bugs.php.net/fix.php?id=78956&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=78956&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=78956&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=78956&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=78956&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=78956&r=support
Expected behavior: https://bugs.php.net/fix.php?id=78956&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=78956&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=78956&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=78956&r=globals
PHP version support discontinued: https://bugs.php.net/fix.php?id=78956&r=phptooold
Daylight Savings: https://bugs.php.net/fix.php?id=78956&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=78956&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=78956&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=78956&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=78956&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=78956&r=mysqlcfg
Thread (3 messages)
- zeriyoshi at gmail dot com