PHP :: Bug #71089 :: No check to duplicate zend

Bug #71089	No check to duplicate zend_extension (can raise segfault)
Submitted:	2015-12-11 11:52 UTC	Modified:	2015-12-11 12:19 UTC
From:	remi@php.net	Assigned:	remi (profile)
Status:	Closed	Package:	*General Issues
PHP Version:	5.6.16	OS:	irrevelant
Private report:	No	CVE-ID:	None

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[2015-12-11 11:52 UTC] remi@php.net

Description:
------------
You can load twice the same zend_extension...

Which can create very strange bug
(including segfault in zend_interned_strings_dtor)


Test script:
---------------
$ php -n -d zend_extension=opcache.so -d zend_extension=opcache.so -m

Expected result:
----------------
PHP Warning:  Module 'opcache' already loaded in Unknown on line 0

(like for standard extension)



Actual result:
--------------
...
[Zend Modules]
Zend OPcache
Zend OPcache

Patches

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[2015-12-11 12:19 UTC] remi@php.net

-Status: Open +Status: Assigned -Assigned To: +Assigned To: remi

[2015-12-11 12:22 UTC] remi@php.net

Automatic comment on behalf of remi
Revision: http://git.php.net/?p=php-src.git;a=commit;h=410eacc1a9b50ec3cb6c5fc0ff252516d0c0a4f1
Log: Fix Bug #71089 No check to duplicate zend_extension

[2015-12-11 12:22 UTC] remi@php.net

-Status: Assigned +Status: Closed

[2015-12-11 12:23 UTC] remi@php.net

Automatic comment on behalf of remi
Revision: http://git.php.net/?p=php-src.git;a=commit;h=410eacc1a9b50ec3cb6c5fc0ff252516d0c0a4f1
Log: Fix Bug #71089 No check to duplicate zend_extension

[2015-12-11 12:34 UTC] remi@php.net

New comment is: "Cannot load Zend OPcache - extension already loaded"

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