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Re: postmaster segfaults when pg_hba.cof is missing

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Neil Conway <neilc(at)samurai(dot)com>
Cc: Rudy Lippan <rlippan(at)remotelinux(dot)com>, pgsql-bugs(at)postgresql(dot)org,pgsql-patches(at)postgresql(dot)org
Subject: Re: postmaster segfaults when pg_hba.cof is missing
Date: 2002-12-13 17:02:06
Message-ID: 200212131702.gBDH26O00391@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugspgsql-patches
[ Will be backpatched.]

Your patch has been added to the PostgreSQL unapplied patches list at:

	http://momjian.postgresql.org/cgi-bin/pgpatches

I will try to apply it within the next 48 hours.

---------------------------------------------------------------------------


Neil Conway wrote:
> On Thu, 2002-12-12 at 13:13, Rudy Lippan wrote:
> > I know this is a broken install, but postmaster should not segfault when 
> > it can't find a file.
> > 
> > postgres(at)war PGDATA $ ../pgsql7.3/bin/postmaster
> > LOG:  load_hba: Unable to open authentication config file 
> > "/usr/local/PGDATA/pgsql7.3/pg_hba.conf": No such file or directory
> > Segmentation fault (core dumped)
> 
> Good catch. Here's a patch against CVS HEAD that fixes the problem.
> 
> The actual segfault was caused by a double pfree(), but ISTM that
> failing to find pg_hba.conf should be a fatal error anyway, so I
> increased the priority of the elog() from LOG to FATAL and refactored
> the code a little bit.
> 
> Bruce: unless anyone has an objection, please apply.
> 
> Thanks for the report.
> 
> Cheers,
> 
> Neil

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-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
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