Bug #60699 [NEW]: mysqli_init() crashes under high concurrency

From: Date: Tue, 10 Jan 2012 11:45:44 +0000
Subject: Bug #60699 [NEW]: mysqli_init() crashes under high concurrency
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-166319@lists.php.net to get a copy of this message 
From:             
Operating system: Windows 7
PHP version:      5.4.0RC5
Package:          MySQLi related
Bug Type:         Bug
Bug description:mysqli_init() crashes under high concurrency

Description:
------------
Calling purely mysqli_init() crashes PHP under high concurrency.

Using VC9 x86 Thread Safe (2012-Jan-06 02:06:02) build of PHP 5.4.0RC5.
Using Apache HTTPd 2.2.21.0.
Using ab (apache benchmark) tool to simulate high loads: "ab -c 30 -n 2000

http://localhost:8080/index.php".

PHP installed as module.

Test script:
---------------
mysqli_init();

Expected result:
----------------
No crash

Actual result:
--------------
Crash

-- 
Edit bug report at https://bugs.php.net/bug.php?id=60699&edit=1
-- 
Try a snapshot (PHP 5.4):            https://bugs.php.net/fix.php?id=60699&r=trysnapshot54
Try a snapshot (PHP 5.3):            https://bugs.php.net/fix.php?id=60699&r=trysnapshot53
Try a snapshot (trunk):              https://bugs.php.net/fix.php?id=60699&r=trysnapshottrunk
Fixed in SVN:                        https://bugs.php.net/fix.php?id=60699&r=fixed
Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=60699&r=needdocs
Fixed in release:                    https://bugs.php.net/fix.php?id=60699&r=alreadyfixed
Need backtrace:                      https://bugs.php.net/fix.php?id=60699&r=needtrace
Need Reproduce Script:               https://bugs.php.net/fix.php?id=60699&r=needscript
Try newer version:                   https://bugs.php.net/fix.php?id=60699&r=oldversion
Not developer issue:                 https://bugs.php.net/fix.php?id=60699&r=support
Expected behavior:                   https://bugs.php.net/fix.php?id=60699&r=notwrong
Not enough info:                     https://bugs.php.net/fix.php?id=60699&r=notenoughinfo
Submitted twice:                     https://bugs.php.net/fix.php?id=60699&r=submittedtwice
register_globals:                    https://bugs.php.net/fix.php?id=60699&r=globals
PHP 4 support discontinued:          https://bugs.php.net/fix.php?id=60699&r=php4
Daylight Savings:                    https://bugs.php.net/fix.php?id=60699&r=dst
IIS Stability:                       https://bugs.php.net/fix.php?id=60699&r=isapi
Install GNU Sed:                     https://bugs.php.net/fix.php?id=60699&r=gnused
Floating point limitations:          https://bugs.php.net/fix.php?id=60699&r=float
No Zend Extensions:                  https://bugs.php.net/fix.php?id=60699&r=nozend
MySQL Configuration Error:           https://bugs.php.net/fix.php?id=60699&r=mysqlcfg

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