Horton

Re: Bug fix. autovacuum.c do_worker_start() associates memory allocations with TopMemoryContext rather than 'Autovacuum start worker (tmp)'

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: reid.thompson@crunchydata.com, pgsql-hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-08-31T20:09:22Z
Lists: pgsql-hackers 
Hi,

On 2022-08-31 16:05:03 -0400, Tom Lane wrote:
> Even if there's only a visible leak in v15/HEAD, I'm inclined
> to back-patch this all the way, because it's certainly buggy
> on its own terms.  It's just the merest accident that neither
> caller is leaking other stuff into TopMemoryContext, because
> they both think they are using a short-lived context.

+1

> Thanks for the report!

+1

Greetings,

Andres Freund

Commits

  1. Prevent long-term memory leakage in autovacuum launcher.