md5 issues Postgres14 on OL7

[Michael Mühlbeyer]

Hi all,

we're currently facing a strange behavior with Postgres14.1 on Oracle Linux 7.9
using md5.

a basic statement leads to an out-of-memory error:

postgres=# select md5('just a test');
ERROR:  out of memory

Anyone else facing the same issue?
It may be related to hardening though disabling SELinux didn't solve the issue.

Thanks in advance,
Michael

Re: [External] Re: md5 issues Postgres14 on OL7

[Michael Mühlbeyer]

thanks Christoph,

best,
Michael

-Original Message-
From: Christoph Moench-Tegeder 
Date: Monday, 20. December 2021 at 15:22
To: Michael Mühlbeyer 
Cc: "pgsql-general@lists.postgresql.org" 
Subject: [External] Re: md5 issues Postgres14 on OL7

Hi!

## Michael Mühlbeyer (michael.muehlbe...@trivadis.com):

> postgres=# select md5('just a test');
> ERROR:  out of memory

Active FIPS mode (/proc/sys/crypto/fips_enabled => 1) on the server does
produce this behaviour.

Regards,
Christoph

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