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 1unvtG-00D0Sv-0t for pgsql-committers@arkaria.postgresql.org; Mon, 18 Aug 2025 09:10:55 +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 1unvtF-00FA8Z-EG for pgsql-committers@arkaria.postgresql.org; Mon, 18 Aug 2025 09:10:54 +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 1unvtF-00FA8R-7N for pgsql-committers@lists.postgresql.org; Mon, 18 Aug 2025 09:10:53 +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 4.96) (envelope-from ) id 1unvtD-000UJj-0j for pgsql-committers@lists.postgresql.org; Mon, 18 Aug 2025 09:10:53 +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 1unvtB-001IAL-NX for pgsql-committers@lists.postgresql.org; Mon, 18 Aug 2025 09:10:49 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1unvtA-000SVj-1U for pgsql-committers@lists.postgresql.org; Mon, 18 Aug 2025 09:10:49 +0000 Content-Type: multipart/mixed; boundary="===============0099445148308541685==" MIME-Version: 1.0 From: Peter Eisentraut To: pgsql-committers@lists.postgresql.org Subject: pgsql: Detect buffer underflow in get_th() X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Mon, 18 Aug 2025 09:10:49 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============0099445148308541685== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 RGV0ZWN0IGJ1ZmZlciB1bmRlcmZsb3cgaW4gZ2V0X3RoKCkKCklucHV0IHdpdGggemVybyBsZW5n dGggY2FuIHJlc3VsdCBpbiBhIGJ1ZmZlciB1bmRlcmZsb3cgd2hlbgphY2Nlc3NpbmcgKihudW0g KyAobGVuIC0gMSkpLCBhcyAobGVuIC0gMSkgd291bGQgcHJvZHVjZSBhIG5lZ2F0aXZlCmluZGV4 LiAgQWRkIGFuIGFzc2VydGlvbiBmb3IgemVyby1sZW5ndGggaW5wdXQgdG8gcHJldmVudCBpdC4K ClRoaXMgd2FzIGZvdW5kIGJ5IEFMVCBMaW51eCBUZWFtLgoKUmV2aWV3aW5nIHRoZSBjYWxsIHNp dGVzIHNob3dzIHRoYXQgZ2V0X3RoKCkgY3VycmVudGx5IGNhbm5vdCBiZQphcHBsaWVkIHRvIGFu IGVtcHR5IHN0cmluZzogaXQgaXMgYWx3YXlzIGNhbGxlZCBvbiBhIHN0cmluZyBjb250YWluaW5n CmEgbnVtYmVyIHdlJ3ZlIGp1c3QgcHJpbnRlZC4gIFRoZXJlZm9yZSwgYW4gYXNzZXJ0aW9uIHJh dGhlciB0aGFuIGEKdXNlci1mYWNpbmcgZXJyb3IgbWVzc2FnZSBpcyBzdWZmaWNpZW50LgoKQ28t YXV0aG9yZWQtYnk6IEFsZXhhbmRlciBLdXpuZXRzb3YgPGt1em5ldHNvdmFtQGFsdGxpbnV4Lm9y Zz4KRGlzY3Vzc2lvbjogaHR0cHM6Ly93d3cucG9zdGdyZXNxbC5vcmcvbWVzc2FnZS1pZC9mbGF0 L2UyMmRmOTkzLWNkYjQtNGQwYS1iNjI5LTQyMjExZWJlZDU4MkBhbHRsaW51eC5vcmcKCkJyYW5j aAotLS0tLS0KbWFzdGVyCgpEZXRhaWxzCi0tLS0tLS0KaHR0cHM6Ly9naXQucG9zdGdyZXNxbC5v cmcvcGcvY29tbWl0ZGlmZi9jNjFkNTFkNTAwMDZhMmE3YmZlMjVkNjJlYTA2NzdlMzE4ZmViZWRj CgpNb2RpZmllZCBGaWxlcwotLS0tLS0tLS0tLS0tLQpzcmMvYmFja2VuZC91dGlscy9hZHQvZm9y bWF0dGluZy5jIHwgMiArKwoxIGZpbGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspCgo= --===============0099445148308541685==--