Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wa9E6-001Yxs-1l for pgpool-hackers@arkaria.postgresql.org; Thu, 18 Jun 2026 09:39:58 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wa9E5-00Aj0y-1s for pgpool-hackers@arkaria.postgresql.org; Thu, 18 Jun 2026 09:39:57 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wa9E5-00Aj0q-1L for pgpool-hackers@lists.postgresql.org; Thu, 18 Jun 2026 09:39:57 +0000 Received: from meldrar.postgresql.org ([2a02:c0:301:0:ffff::31]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wa9E3-00000000wxf-32VQ for pgpool-hackers@lists.postgresql.org; Thu, 18 Jun 2026 09:39:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=postgresql.org; s=20171124; h=Content-Transfer-Encoding:Content-Type: Mime-Version:References:In-Reply-To:From:Subject:Cc:To:Message-Id:Date:Sender :Reply-To:Content-ID:Content-Description; bh=DQIyE+0KIdtGNYqFzGfYJNM1ky1Iy98Mk0pFbYwwyDI=; b=NXo7ocudJUjN7C93hd6ztW96wv HsSW6YexpjWOam4FNo1UwCJfTG3hFOqHu92BaFgH7xdAfXkIK1Vw3LKN14dIDGqJGu8qc1bmMntO3 Kipp+tR+d1s1zFtGXCfrYGFdrs9LE7qmNpjMVycJ6+9gp90EcoVKF6zjx2SK+XLHERQhuTHU5Nws+ UowHXSlDs+gFoip/hM92z7wrUu0de8uPuZdFBqoGxSacdtX0JogTlBQpC8qTzvIxHaMia1Bs92BX7 sFiJJFzyPRdrYKz2cqE+WloVV93fszRkURAgDj6PjEZdZBbNOj+PwOdQMvhuNW6FUvI5iaMlPeP0f 5ifSLQww==; Received: from [2409:11:4120:300:8e11:36a:1d2a:5f51] (helo=localhost) by meldrar.postgresql.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wa9Dz-002jO5-2M; Thu, 18 Jun 2026 09:39:54 +0000 Date: Thu, 18 Jun 2026 18:39:41 +0900 (JST) Message-Id: <20260618.183941.2038368278542105130.ishii@postgresql.org> To: emond.papegaaij@gmail.com Cc: pgpool-hackers@lists.postgresql.org Subject: Re: Use-after-free crash From: Tatsuo Ishii In-Reply-To: References: <20260612.083401.1143893563129592236.ishii@postgresql.org> <20260615.190707.2000036222659388260.ishii@postgresql.org> X-Mailer: Mew version 6.8 on Emacs 29.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2409:11:4120:300:8e11:36a:1d2a:5f51 (failed) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Hi Emond, > Hi Tatsuo, > > Thanks for including this. I think Claude made a mistake cleaning up > the build files to produce a clean tarball that was not linked to my > local system. I'm glad you got it to work. I must admit Claude Code is > really impressive with its ability to troubleshoot issues like these. > In this case, all it had was a single core dump and the test scenario. > From there, it managed to find the issue, create a fix and build the > reproducer. I have pushed the patch to all supported branches. Thanks! Regards, -- Tatsuo Ishii SRA OSS K.K. English: http://www.sraoss.co.jp/index_en/ Japanese:http://www.sraoss.co.jp