| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> |
| Cc: | Sergey Mirvoda <sergey(at)mirvoda(dot)com>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, Andrew Borodin <borodin(at)octonica(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #15420: Server crash. Segmentation fault when parsing xml file |
| Date: | 2018-10-05 13:26:59 |
| Message-ID: | CAFj8pRDZo4w0iunJ3z6Sh=0Lw2oOc9Hj+QTjUFnuyKdvY8Dzwg@mail.gmail.com |
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| Lists: | pgsql-bugs |
pá 5. 10. 2018 v 15:22 odesílatel Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
napsal:
> >>>>> "Pavel" == Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>
> Pavel> There are different parsing methods
>
> Pavel> xmlCtxtReadDoc versus xmlParseBalancedChunkMemory
>
> Pavel> The problem is with xmlParseBalancedChunkMemory
>
> No, it's not.
>
> I don't yet know about 2.9.8, but the crash with 2.9.4 is a bug in
> libxml2's error handling which has _nothing to do_ with which API you
> use. Read the analysis I posted.
>
ok. Probably there are more than one issue. 1. crash, 2. raising huge input
lookup, maybe other.
libxml2 is great library, but I didn't understand their system still.
Regards
Pavel
> --
> Andrew.
>
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