Bug #73183 [NEW]: Segfaults / zend_mm_heap corrupted

From: Date: Tue, 27 Sep 2016 12:13:13 +0000
Subject: Bug #73183 [NEW]: Segfaults / zend_mm_heap corrupted
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-204300@lists.php.net to get a copy of this message 
From:             schnederle at futureweb dot at
Operating system: Centos 7.2.1511
PHP version:      7.0.11
Package:          Reproducible crash
Bug Type:         Bug
Bug description:Segfaults / zend_mm_heap corrupted

Description:
------------
Hello,

since we switched from PHP 5.3 to PHP 7.0.x (tried multiple Versions of
PHP 7 - now we are on 7.0.11) we get random segfaults / zend_mm_heap
corrupted with our CMS.

Unfortunately not predictable when they will occur or on which Script.
(unfortunately never the same)
Sometimes a few Days no problems - sometimes 5 times a Day ...

Not 100% sure - but I believe that opcache could be the cause of the
Problem - as a simple "opcache_reset();" is enough to get everything up
& running again - no complete restart of Apache needed.

Error Log / Backtrace: http://temp.in.futureweb.at/php/error.log 

Hope someone can help me on this ...

Thank you
Andreas Schnederle-Wagner



-- 
Edit bug report at https://bugs.php.net/bug.php?id=73183&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=73183&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=73183&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=73183&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=73183&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=73183&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=73183&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=73183&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=73183&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=73183&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=73183&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=73183&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=73183&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=73183&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73183&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=73183&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=73183&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=73183&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=73183&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=73183&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=73183&r=mysqlcfg

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