Bug #68677 [NEW]: use-after-free

From: Date: Mon, 29 Dec 2014 02:50:40 +0000
Subject: Bug #68677 [NEW]: use-after-free
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-189294@lists.php.net to get a copy of this message 
From:             bugreports at internot dot info
Operating system: Linux Ubuntu 14.04
PHP version:      master-Git-2014-12-29 (Git)
Package:          *General Issues
Bug Type:         Bug
Bug description:use-after-free

Description:
------------
Hi,

In /ext/opcache/zend_shared_alloc.c there is a use-after-free:


347        if (free_source) {
348                efree(source);
349        }
350        zend_shared_alloc_register_xlat_entry(source, retval);


Thanks,


-- 
Edit bug report at https://bugs.php.net/bug.php?id=68677&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=68677&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=68677&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=68677&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=68677&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=68677&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=68677&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=68677&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=68677&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=68677&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=68677&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=68677&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=68677&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=68677&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68677&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=68677&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=68677&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=68677&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=68677&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=68677&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=68677&r=mysqlcfg

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