Re: SV: Log files polluted with permission denied error messages after every 10 seconds

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Andrus <kobruleht2(at)hot(dot)ee>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Niels Jespersen <NJN(at)dst(dot)dk>, pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: SV: Log files polluted with permission denied error messages after every 10 seconds
Date: 2021-03-17 21:00:03
Message-ID: YFJt02H0HGahQ326@paquier.xyz
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On Wed, Mar 17, 2021 at 11:44:48AM -0400, Tom Lane wrote:
> Oh! That's an interesting theory; it'd explain why this broke recently,
> because we didn't use to use that function. But how do you draw that
> conclusion from this stack trace?
>
> Anyway, if you've diagnosed this correctly, I bet the fault is in
> this bit in win32stat.c:
>
> #if _WIN32_WINNT < 0x0600
> IO_STATUS_BLOCK ioStatus;
> FILE_STANDARD_INFORMATION standardInfo;
> #else
> FILE_STANDARD_INFO standardInfo;
> #endif
>
> Maybe the version cutoff is wrong? Maybe we have to do this with
> a run-time version check, instead of statically compiling it?

All the reports received are on 13.1 and 13.2. This code is new as of
bed9075, no?
--
Michael

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