Bug #70652 [NEW]: Invalid memory access - Unable to reattach to base address

From: maly at myq dot cz Operating system: Windows 10 PHP version: 5.6.14 Package: opcache Bug Type: Bug Bug description:Invalid memory access - Unable to reattach to base address Description: ------------ The opcache accesses to invalid address. PHP is running via Apache using mod_fcgid. Php.ini does not contain any plugins (except opcache). Eventlog message: The description for Event ID 487 from source Zend OPcache cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer. If the event originated on another computer, the display information had to be saved with the event. The following information was included with the event: Unable to reattach to base address Pokus o přístup k nepřípustné adrese. (translation: A try to access to invalid address) I have run the attached test script using utility ab.exe: ab.exe -n 50 -c 3 http://myip/attachedscript.php This bug is observed in versions 5.6.11-14. Version 5.6.10 seems to work correctly. Test script: --------------- <?php $sec = 3; echo "waiting $sec s..."; for($i=0; $i < $sec; ++$i) { sleep(1); } echo "end<br>"; echo "The script has waited for $sec sec"; -- Edit bug report at https://bugs.php.net/bug.php?id=70652&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70652&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70652&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70652&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70652&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70652&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70652&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70652&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70652&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70652&r=support Expected behavior: https://bugs.php.net/fix.php?id=70652&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70652&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70652&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70652&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70652&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70652&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70652&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70652&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70652&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70652&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70652&r=mysqlcfg