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 1w9oe8-001meD-1Y for pgsql-committers@arkaria.postgresql.org; Mon, 06 Apr 2026 18:26:00 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w9oe6-00BDYX-2U for pgsql-committers@arkaria.postgresql.org; Mon, 06 Apr 2026 18:25:59 +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 4.96) (envelope-from ) id 1w9ob6-00BBn3-0O for pgsql-committers@lists.postgresql.org; Mon, 06 Apr 2026 18:22:52 +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 4.98.2) (envelope-from ) id 1w9ob2-00000000wXi-1byu for pgsql-committers@lists.postgresql.org; Mon, 06 Apr 2026 18:22:50 +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 4.96) (envelope-from ) id 1w9oaz-002YQt-19 for pgsql-committers@lists.postgresql.org; Mon, 06 Apr 2026 18:22:45 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w9oax-003Gzr-2I for pgsql-committers@lists.postgresql.org; Mon, 06 Apr 2026 18:22:44 +0000 Content-Type: multipart/mixed; boundary="===============9009357462995840362==" MIME-Version: 1.0 From: Tom Lane To: pgsql-committers@lists.postgresql.org Subject: pgsql: Avoid unsafe access to negative index in a TupleDesc. X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Mon, 06 Apr 2026 18:22:44 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============9009357462995840362== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 QXZvaWQgdW5zYWZlIGFjY2VzcyB0byBuZWdhdGl2ZSBpbmRleCBpbiBhIFR1cGxlRGVzYy4KCkNv bW1pdCBhYTYwNmI5MzEgaW5zdGFsbGVkIGEgdGVzdCB0aGF0IHdvdWxkIHJlZmVyZW5jZSBhIG5v bmV4aXN0ZW50ClR1cGxlRGVzYyBhcnJheSBlbnRyeSBpZiBhIHN5c3RlbSBjb2x1bW4gaXMgdXNl ZCBpbiBDT1BZIEZST00gV0hFUkUuClR5cGljYWxseSB0aGlzIHdvdWxkIGJlIGhhcm1sZXNzLCBi dXQgd2l0aCBiYWQgbHVjayBpdCBjb3VsZCByZXN1bHQKaW4gYSBwaG9ueSAiZ2VuZXJhdGVkIGNv bHVtbnMgYXJlIG5vdCBzdXBwb3J0ZWQgaW4gQ09QWSBGUk9NIFdIRVJFCmNvbmRpdGlvbnMiIGVy cm9yLCBhbmQgYXQgbGVhc3QgaW4gcHJpbmNpcGxlIGl0IGNvdWxkIGNhdXNlIFNJR1NFR1YuCihD b21wYXJlIDU3MGUyZmNjMCB3aGljaCBmaXhlZCB0aGUgaWRlbnRpY2FsIHByb2JsZW0gaW4gYW5v dGhlcgpwbGFjZS4pICBBbHNvLCBzaW5jZSBjOThhZDA4NmEgaXQgdGhyb3dzIGFuIEFzc2VydCBp bnN0ZWFkLgoKSW4gdGhlIGJhY2sgYnJhbmNoZXMsIGp1c3QgZ3VhcmQgdGhlIHRlc3QgdG8gbWFr ZSBpdCBhIHNhZmUgbm8tb3AgZm9yCnN5c3RlbSBjb2x1bW5zLiAgQ29tbWl0IDIxYzY5ZGM3MyBp bnN0YWxsZWQgYSBtb3JlIGFnZ3Jlc3NpdmUgYW5zd2VyCmluIG1hc3Rlci4KClJlcG9ydGVkLWJ5 OiBBbGV4YW5kZXIgTGFraGluIDxleGNsdXNpb25AZ21haWwuY29tPgpBdXRob3I6IFRvbSBMYW5l IDx0Z2xAc3NzLnBnaC5wYS51cz4KRGlzY3Vzc2lvbjogaHR0cHM6Ly9wb3N0Z3IuZXMvbS82ZjQz NTAyMy04YWI2LTQ3YzItYmEwNy0wMzVkMGM0MjEyZjlAZ21haWwuY29tCkJhY2twYXRjaC10aHJv dWdoOiAxNC0xOAoKQnJhbmNoCi0tLS0tLQpSRUxfMTdfU1RBQkxFCgpEZXRhaWxzCi0tLS0tLS0K aHR0cHM6Ly9naXQucG9zdGdyZXNxbC5vcmcvcGcvY29tbWl0ZGlmZi82ODFhOTFkMjlkNGQ4NzIy YjRlNmZiYWZkMmE2ZWU1YjZiNmM2MDY4CgpNb2RpZmllZCBGaWxlcwotLS0tLS0tLS0tLS0tLQpz cmMvYmFja2VuZC9jb21tYW5kcy9jb3B5LmMgfCAzICsrLQoxIGZpbGUgY2hhbmdlZCwgMiBpbnNl cnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCgo= --===============9009357462995840362==--