Re: Stack overflow issue

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От mahendrakar s
Тема Re: Stack overflow issue
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Msg-id CABkiuWpSXbRj=4Ds-fpouKz5aVP10zQu6pfB-s_8TH-4_TKxcw@mail.gmail.com
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Ответ на Re: Stack overflow issue  (Richard Guo <guofenglinux@gmail.com>)
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Hi Richard,

Patch is looking good to me. Would request others to take a look at it as well.

Thanks,
Mahendrakar.

On Wed, 24 Aug 2022 at 17:24, Richard Guo <guofenglinux@gmail.com> wrote:

On Wed, Aug 24, 2022 at 7:12 PM Richard Guo <guofenglinux@gmail.com> wrote:

On Wed, Aug 24, 2022 at 6:49 PM Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
On 2022-Aug-24, mahendrakar s wrote:

> Hi,
> Can we have a parameter to control the recursion depth in these cases to
> avoid crashes?

We already have one (max_stack_depth).  The problem is lack of calling
the control function in a few places.
 
Thanks Egor and Alexander for the work! I think we can just add
check_stack_depth checks in these cases.
 
Attached adds the checks in these places. But I'm not sure about the
snowball case. Can we edit src/backend/snowball/libstemmer/*.c directly?

Thanks
Richard

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