Re: Unprivileged user can induce crash by using an SUSET param in PGOPTIONS

On Fri, Jul 22, 2022 at 02:56:22PM -0400, Tom Lane wrote:
> +	/*
> +	 * If this is an interactive session, load any libraries that should be
> +	 * preloaded at backend start.  Since those are determined by GUCs, this
> +	 * can't happen until GUC settings are complete, but we want it to happen
> +	 * during the initial transaction in case anything that requires database
> +	 * access needs to be done.
> +	 */
> +	if (!bootstrap &&
> +		!IsAutoVacuumWorkerProcess() &&
> +		!IsBackgroundWorker &&
> +		!am_walsender)
> +		process_session_preload_libraries();

I worry that this will be easily missed when adding new types of
non-interactive sessions, but I can't claim to have a better idea.

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com