Re: [BUGS] [HACKERS] Segmentation fault in libpq

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От Michal Novotny
Тема Re: [BUGS] [HACKERS] Segmentation fault in libpq
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Msg-id cfa95e37-84c9-3372-290f-f71c4539346c@greycortex.com
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Ответ на Re: [BUGS] [HACKERS] Segmentation fault in libpq  (Andres Freund <andres@anarazel.de>)
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On 07/02/2017 09:12 PM, Andres Freund wrote:
> Hi,
>
> On 2017-07-02 20:58:52 +0200, Michal Novotný wrote:
>> thank you all for your advice. I've been investigating this a little more
>> and finally it turned out it's not a bug in libpq although I got confused
>> by going deep as several libpq functions. The bug was really on our side
>> after trying to use connection pointer after calling PQfinish(). The code
>> is pretty complex so it took some time to investigate however I would like
>> to apologize for "blaming" libpq instead of our code.
> Usually using a tool like valgrind is quite helpful to find issues like
> that, because it'll show you the call-stack accessing the memory and
> *also* the call-stack that lead to the memory being freed.
>
> - Andres

Well, I've tried but I was unable to locate the issue so I had to 
investigate the code our little further and finally I've been able to 
find the issue.

Thanks again,
Michal


-- 
Michal Novotny
System Development Lead
michal.novotny@greycortex.com

GREYCORTEX s.r.o.
Purkynova 127, 61200 Brno
Czech Republic
www.greycortex.com




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