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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andrew Gierth <andrew@tao11.riddles.org.uk>
Cc: Jeremy Evans <code@jeremyevans.net>
Cc: Michael Paquier <michael@paquier.xyz>
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #15367: Crash in pg_fe_scram_free when using foreign tables
Date: Sat, 08 Sep 2018 19:59:45 -0400
Message-ID: <31648.1536451185@sss.pgh.pa.us> (raw)
In-Reply-To: <874lezskcu.fsf@news-spur.riddles.org.uk>
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>
	<20180907204403.GC32058@paquier.xyz>
	<16558.1536407783@sss.pgh.pa.us>
	<18398.1536410055@sss.pgh.pa.us>
	<87o9d8rv08.fsf@news-spur.riddles.org.uk>
	<3979.1536433320@sss.pgh.pa.us>
	<6869.1536436921@sss.pgh.pa.us>
	<874lezskcu.fsf@news-spur.riddles.org.uk>

Andrew Gierth <andrew@tao11.riddles.org.uk> writes:
> "Tom" == Tom Lane <tgl@sss.pgh.pa.us> writes:
>  Tom> Hence we need to make sure that version-script filtering happens
>  Tom> on every ELF-based platform, not just the most popular ones. I see
>  Tom> that the FreeBSD and NetBSD stanzas in Makefile.shlib also have
>  Tom> "ifdef ELF_SYSTEM" portions, so probably we need to put the
>  Tom> version-script stuff into those too.

> I tested adding your patch into the FreeBSD stanza and it worked for me,
> FWIW. That was on a system which still has GNU ld, but I also tried a
> test program using ld.lld and the same option and version script file
> works.

Hm.  So I can reproduce the crash on NetBSD as well as OpenBSD, using
the test method I showed before ... but *not* on FreeBSD 11.0 x86_64,
even though that's certainly an ELF system.  So now I'm confused again.

			regards, tom lane




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