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From: Michael Paquier <michael@paquier.xyz>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Jeremy Evans <code@jeremyevans.net>
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #15367: Crash in pg_fe_scram_free when using foreign tables
Date: Fri, 7 Sep 2018 13:44:03 -0700
Message-ID: <20180907204403.GC32058@paquier.xyz> (raw)
In-Reply-To: <20016.1536351535@sss.pgh.pa.us>
References: <153626613985.23143.4743626885618266803@wrigleys.postgresql.org>
	<20180906215836.GP2726@paquier.xyz>
	<20180906222843.GF17425@jeremyevans.local>
	<20180907165103.GH17425@jeremyevans.local>
	<20180907175518.GI17425@jeremyevans.local>
	<20180907181522.GB32058@paquier.xyz>
	<20016.1536351535@sss.pgh.pa.us>

On Fri, Sep 07, 2018 at 04:18:55PM -0400, Tom Lane wrote:
> I had been studying that when the report first arrived.  I'm not really
> happy with the coding in pg_saslprep(): it leaves garbage in its output
> parameter in some code paths, and I think it leaks memory in others.

Agreed.  Do you want to give it a go?  I can see some of those code
paths?  Likely you spotted more.

> But I couldn't see a path that would lead to the observed failure.

Agreed.
--
Michael

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