From: Michael Paquier <michael@paquier.xyz>
To: 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 11:15:22 -0700
Message-ID: <20180907181522.GB32058@paquier.xyz> (raw)
In-Reply-To: <20180907175518.GI17425@jeremyevans.local>
References: <153626613985.23143.4743626885618266803@wrigleys.postgresql.org>
<20180906215836.GP2726@paquier.xyz>
<20180906222843.GF17425@jeremyevans.local>
<20180907165103.GH17425@jeremyevans.local>
<20180907175518.GI17425@jeremyevans.local>
On Fri, Sep 07, 2018 at 10:55:18AM -0700, Jeremy Evans wrote:
> Here's the backtrace:
>
> #5 0x000017c20a6b8b00 in pg_fe_scram_free (opaq=0x17c223712000) at fe-auth-scram.c:127
> #6 0x000017c20a6b9d20 in pqDropConnection (conn=0x17c1dac61800, flushInput=1 '\001') at fe-connect.c:479
> #7 0x000017c20a6bf95e in closePGconn (conn=0x17c1dac61800) at fe-connect.c:3710
>
> Hopefully this helps. If you need more information, please let me know.
Thanks. This fails when freeing the password field in fe_scram_state.
I have a question: does your password use non-ASCII characters which
could make SASLprep to be run on the password string? The result string
from pg_saslprep allocates a new string for any results returned by
reading the code, I am wondering if we could be missing something..
--
Michael
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To: pgsql-bugs@postgresql.org
Cc: michael@paquier.xyz, code@jeremyevans.net, pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #15367: Crash in pg_fe_scram_free when using foreign tables
In-Reply-To: <20180907181522.GB32058@paquier.xyz>
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