[PHP-dev 132] Re: [Apc-cache] Segfault: APC and --enable-debug (Possible serialize/deserialize bug)

[Yasuo Ohgaki]

Yasuo Ohgaki wrote:

> George Schlossnagle wrote:
> 
>>>> Can you try this under current cvs (as of this afternoon)?  Or send 
>>>> me a
>>>> reproduceable test case.  I tried it with
>>>>
>>>
>>> I'll try to create simple scripts that reproduce the problem.
>>>
>> Great.
>>
>


I've tested production scripts without mb_convert_kana(). It still 
segfaults. Look like I need to create another scripts...

Are there APC users on php-dev@php.gr.jp?
Can you reproduce segfault?

--
Yasuo Ohgaki

 
> 
> I'm not able to create script reproduce segfault (yet), but this script 
> cause memory leak with APC. It does not leak memory first time loaded, 
> but it leaks memory from second time. PHP does not leak memory without APC.
> 
> Fixing this problem may fix segfualt...
> 
> I also send this mail to Japanese PHP Developer list, since it seems 
> this problem is related to mbstring module.
> 
> **APACHE ERROR LOG**
> apc_serialize.c(1926) :  Freeing 0x0818D214 (84 bytes), 
> script=/home/yohgaki/public_html/bugs/apc/bug.php
> Last leak repeated 1 time
> 
> **SCRIPT**
> [yohgaki@dev apc]$ cat bug.php
> <?php
> // Note: This script requries mbstring module for mb_convert_kana
> 
> 
> //////////////////////// INPUT CONVERSION ///////////////////////////
> /**
>  * convert encoding - for array_walk in _conv_input()
>  *
>  */
> function __conv_encoding(&$value, $key)
> {
>         if (is_array($value)) {
>                 array_walk($value, '__conv_encoding');
>         }
>         elseif (is_scalar($value)) {
>                 $value = trim(mb_convert_kana($value,'nrK'));
>         }
> }
> 
> /**
>  * Convert HTTP inputs to site default charactors.
>  *
>  * @return void
>  * @access private
>  */
> function _conv_inputs()
> {
>         if (!empty($_REQUEST)) {
>                 reset($_REQUEST);
>                 array_walk($_REQUEST,'__conv_encoding');
>         }
> }
> 
> // Start execution
> _conv_inputs(); // Convert input char style to site default
> 
> ?>
> 
> 
> 
> 
> 
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