Re: Worth using personality(ADDR_NO_RANDOMIZE) for EXEC_BACKEND on linux?

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Bossart, Nathan" <bossartn(at)amazon(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Worth using personality(ADDR_NO_RANDOMIZE) for EXEC_BACKEND on linux?
Date: 2023-02-09 19:15:21
Message-ID: CA+hUKGLqvSkZUcELZZJ5fGUKcxiTWLYRwQ59phH_6ctfgJ7=pQ@mail.gmail.com
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On Wed, Feb 8, 2023 at 5:12 PM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
> At the end, I have just done this stuff down to ~12, 11 does not seem
> worth the trouble as the next stable version to go out of support.
> I'll reduce gokiburi's script a bit, as a result, until the oldest
> version support is v12.

For the record, according to [1] it's not necessary to use
--reset-author when back-patching. (Maybe a little confusingly,
because it's not quite clear whether our policies consider the author
field to be meaningful or not.)

[1] https://www.postgresql.org/message-id/flat/1347459696.16215.11.camel%40vanquo.pezone.net

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