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 4.94.2) (envelope-from ) id 1rP4SN-0097pB-Eo for pgsql-committers@arkaria.postgresql.org; Sun, 14 Jan 2024 17:39:35 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1rP4SM-00CNTx-Hs for pgsql-committers@arkaria.postgresql.org; Sun, 14 Jan 2024 17:39:34 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rP4Ro-00CM2w-97 for pgsql-committers@lists.postgresql.org; Sun, 14 Jan 2024 17:39:00 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rP4Rj-001kpi-9v for pgsql-committers@lists.postgresql.org; Sun, 14 Jan 2024 17:38:59 +0000 Received: from gemulon.postgresql.org ([2001:4800:3e1:1::198]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rP4Rf-004cOc-Tn for pgsql-committers@lists.postgresql.org; Sun, 14 Jan 2024 17:38:52 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1rP4Rf-001Qkt-W5 for pgsql-committers@lists.postgresql.org; Sun, 14 Jan 2024 17:38:51 +0000 Content-Type: multipart/mixed; boundary="===============4179248996562145557==" MIME-Version: 1.0 From: Tom Lane To: pgsql-committers@lists.postgresql.org Subject: pgsql: Prevent access to an unpinned buffer in BEFORE ROW UPDATE trigge X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Sun, 14 Jan 2024 17:38:51 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============4179248996562145557== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 UHJldmVudCBhY2Nlc3MgdG8gYW4gdW5waW5uZWQgYnVmZmVyIGluIEJFRk9SRSBST1cgVVBEQVRF IHRyaWdnZXJzLgoKV2hlbiBFeGVjQlJVcGRhdGVUcmlnZ2VycyBzd2l0Y2hlcyB0byBhIG5ldyB0 YXJnZXQgdHVwbGUgYXMgYSByZXN1bHQKb2YgdGhlIEV2YWxQbGFuUXVhbCBsb2dpYywgaXQgbXVz dCBmb3JtIGEgbmV3IHByb3Bvc2VkIHVwZGF0ZSB0dXBsZS4KU2luY2UgY29tbWl0IDg2ZGM5MDA1 NiwgdGhhdCB0dXBsZSAodGhlIHJlc3VsdCBvZgpFeGVjR2V0VXBkYXRlTmV3VHVwbGUpIGhhcyBi ZWVuIGEgdmlydHVhbCB0dXBsZSB0aGF0IG1pZ2h0IGNvbnRhaW4KcG9pbnRlcnMgdG8gYnktcmVm IGZpZWxkcyBvZiB0aGUgbmV3IHRhcmdldCB0dXBsZSAoaW4gIm9sZHNsb3QiKS4KSG93ZXZlciwg aW1tZWRpYXRlbHkgYWZ0ZXIgdGhhdCB3ZSBtYXRlcmlhbGl6ZSBvbGRzbG90LCBjYXVzaW5nIGl0 IHRvCmRyb3AgaXRzIGJ1ZmZlciBwaW4sIHdoZXJldXBvbiB0aGUgYnktcmVmIHBvaW50ZXJzIGFy ZSB1bnNhZmUgdG8gdXNlLgpUaGlzIGlzIGEgbGl2ZSBidWcgb25seSB3aGVuIHRoZSBuZXcgdGFy Z2V0IHR1cGxlIGlzIGluIGEgZGlmZmVyZW50CnBhZ2UgdGhhbiB0aGUgb3JpZ2luYWwgdGFyZ2V0 IHR1cGxlLCBzaW5jZSB3ZSBkbyBzdGlsbCBob2xkIGEgcGluIG9uCnRoZSBvcmlnaW5hbCBvbmUu ICAoQmVmb3JlIDg2ZGM5MDA1NiwgdGhlcmUgd2FzIG5vIGJ1ZyBiZWNhdXNlIHRoZQpFUFEgcGxh bnRyZWUgd291bGQgaG9sZCBhIHBpbiBvbiB0aGUgbmV3IHRhcmdldCB0dXBsZTsgYnV0IG5vdyB0 aGF0J3MKbm90IGFzc3VyZWQuKSAgVG8gZml4LCBmb3JjaWJseSBtYXRlcmlhbGl6ZSB0aGUgbmV3 IHR1cGxlIGJlZm9yZSB3ZQptYXRlcmlhbGl6ZSBvbGRzbG90LiAgVGhpcyBjb3N0cyBub3RoaW5n IHNpbmNlIHdlIHdvdWxkIGhhdmUgZG9uZSB0aGF0CnNob3J0bHkgYW55d2F5LgoKVGhlIHJlYWwt d29ybGQgaW1wYWN0IG9mIHRoaXMgaXMgcHJvYmFibHkgbWluaW1hbC4gIEEgdmlzaWJsZSBmYWls dXJlCmNvdWxkIG9jY3VyIGlmIHRoZSBuZXcgdGFyZ2V0IHR1cGxlJ3MgYnVmZmVyIHdlcmUgcmVj eWNsZWQgZm9yIHNvbWUKb3RoZXIgcGFnZSBpbiB0aGUgc2hvcnQgaW50ZXJ2YWwgYmVmb3JlIHdl IG1hdGVyaWFsaXplIG5ld3Nsb3Qgd2l0aGluCnRoZSB0cmlnZ2VyLWNhbGxpbmcgbG9vcDsgYnV0 IHRoYXQncyBxdWl0ZSB1bmxpa2VseSBnaXZlbiB0aGF0IHdlJ2QKanVzdCB0b3VjaGVkIHRoYXQg cGFnZS4gIFRoZXJlJ3MgYSBsYXJnZXIgaGF6YXJkIHRoYXQgc29tZSBvdGhlcgpwcm9jZXNzIGNv dWxkIHBydW5lIGFuZCByZXBhY2sgdGhhdCBwYWdlIHdpdGhpbiB0aGUgd2luZG93LiAgV2UgaGF2 ZQpsb2NrIG9uIHRoZSBuZXcgdGFyZ2V0IHR1cGxlLCBidXQgdGhhdCB3b3VsZG4ndCBwcmV2ZW50 IGl0IGJlaW5nIG1vdmVkCm9uIHRoZSBwYWdlLgoKQWxleGFuZGVyIExha2hpbiBhbmQgVG9tIExh bmUsIHBlciBidWcgIzE3Nzk4IGZyb20gQWxleGFuZGVyIExha2hpbi4KQmFjay1wYXRjaCB0byB2 MTQgd2hlcmUgODZkYzkwMDU2IGNhbWUgaW4uCgpEaXNjdXNzaW9uOiBodHRwczovL3Bvc3Rnci5l cy9tLzE3Nzk4LTA5MDc0MDQ5MjhkY2YwZGRAcG9zdGdyZXNxbC5vcmcKCkJyYW5jaAotLS0tLS0K UkVMXzE0X1NUQUJMRQoKRGV0YWlscwotLS0tLS0tCmh0dHBzOi8vZ2l0LnBvc3RncmVzcWwub3Jn L3BnL2NvbW1pdGRpZmYvYzdlZGFlZWM1MDU0NmUxMGIxNWUyN2RlOTRmZGVhMTI1MmNiZTc2YgoK TW9kaWZpZWQgRmlsZXMKLS0tLS0tLS0tLS0tLS0Kc3JjL2JhY2tlbmQvY29tbWFuZHMvdHJpZ2dl ci5jIHwgMjggKysrKysrKysrKysrKysrKysrKysrKystLS0tLQoxIGZpbGUgY2hhbmdlZCwgMjMg aW5zZXJ0aW9ucygrKSwgNSBkZWxldGlvbnMoLSkKCg== --===============4179248996562145557==--