Hey,

zend_vm_execute.h is an auto-generated file, via zend_vm_gen.php. In reality 
the patch only fixes the code in exactly one location (zend_vm_def.h) and then 
regenerated zend_vm_execute.h.

Bob

> Am 04.11.2015 um 03:10 schrieb Paul Dragoonis <dragoo...@gmail.com>:
> 
> Hey,
> 
> Looking at the patch, the changes to zend_vm_def.h and zend_vm_execute.h
> are duplicated in 10 locations. I'm wondering if we can consolidate this
> into maintainable function/macro to handle this?
> 
> On Wed, Nov 4, 2015 at 1:58 AM, Xinchen Hui <xinche...@zend.com> wrote:
> 
>> Hey:
>> 
>> 
>> 
>> On Wed, Nov 4, 2015 at 3:58 AM, Dmitry Stogov <dmi...@zend.com> wrote:
>> 
>>> Hi,
>>> 
>>> I think, I found the root problem of
>> https://bugs.php.net/bug.php?id=70805
>>> 
>>> unset($a) or unser($GLOBAL["a"]) triggered GC and destructors calls that
>>> tried to release the same global variable $a  once again. As result it's
>>> reference counter was decremented twice and this caused use-after-free,
>>> double-free, etc.
>>> 
>>> The proposed cumulative fix for all related problems:
>>> 
>>> https://gist.github.com/dstogov/7aa9d24876e2b3fce8c5
>>> 
>>> Xinchen, could you please review and verify this once again,
>>> then add necessary tests and commit.
>>> 
>> No problem, all issues we met are resovled , thanks :)
>> 
>> tested and committed.
>> 
>> and aslo thanks the fabian who provides us ssh access to a reproducible box
>> (it's really hard to reproduce locally)
>> 
>> thanks!
>> 
>>> 
>>> Thanks. Dmitry.
>>> 
>> 
>> 
>> 
>> --
>> Xinchen Hui
>> @Laruence
>> http://www.laruence.com/
>> 


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