Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nX77Y-0007XL-TP for pgsql-hackers@arkaria.postgresql.org; Wed, 23 Mar 2022 19:58:16 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1nX77X-00051W-88 for pgsql-hackers@arkaria.postgresql.org; Wed, 23 Mar 2022 19:58:15 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nX77W-00051K-VK for pgsql-hackers@lists.postgresql.org; Wed, 23 Mar 2022 19:58:14 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nX77U-0003VK-Qs for pgsql-hackers@postgresql.org; Wed, 23 Mar 2022 19:58:14 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 22NJw9Lw2784184; Wed, 23 Mar 2022 15:58:09 -0400 From: Tom Lane To: Andres Freund cc: pgsql-hackers@postgresql.org Subject: Re: ubsan In-reply-to: <20220323192241.tzeo6cu6mvepok53@alap3.anarazel.de> References: <20220323173537.ll7klrglnp4gn2um@alap3.anarazel.de> <2771659.1648058090@sss.pgh.pa.us> <20220323182137.hgq4qz57yldtbhwl@alap3.anarazel.de> <20220323192241.tzeo6cu6mvepok53@alap3.anarazel.de> Comments: In-reply-to Andres Freund message dated "Wed, 23 Mar 2022 12:22:41 -0700" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2784182.1648065489.1@sss.pgh.pa.us> Date: Wed, 23 Mar 2022 15:58:09 -0400 Message-ID: <2784183.1648065489@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Andres Freund writes: > I think we should backpatch both, based on the reasoning in > 46ab07ffda9d6c8e63360ded2d4568aa160a7700 ? Yeah, I suppose. Is anyone going to step up and run a buildfarm member with ubsan enabled? (I'm already checking -fsanitize=alignment on longfin, but it seems advisable to keep that separate from -fsanitize=undefined.) regards, tom lane