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 1wuXKw-000m6Z-29 for pgsql-committers@arkaria.postgresql.org; Thu, 13 Aug 2026 15:27:18 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wuXJs-00F4fL-2F for pgsql-committers@arkaria.postgresql.org; Thu, 13 Aug 2026 15:26:13 +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 1wtQGi-00HREJ-0G for pgsql-committers@lists.postgresql.org; Mon, 10 Aug 2026 13:42:19 +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 1wtQGf-00000001M53-1NW8 for pgsql-committers@lists.postgresql.org; Mon, 10 Aug 2026 13:42:19 +0000 Received: from gemulon.postgresql.org ([72.32.157.198]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wtQFu-0021BB-3B for pgsql-committers@lists.postgresql.org; Mon, 10 Aug 2026 13:41:31 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.98.2) (envelope-from ) id 1wtQFt-00000000yH6-34pV for pgsql-committers@lists.postgresql.org; Mon, 10 Aug 2026 13:41:29 +0000 Content-Type: multipart/mixed; boundary="===============1501618441789605465==" MIME-Version: 1.0 From: Noah Misch To: pgsql-committers@lists.postgresql.org Subject: pgsql: Avoid overflow in Levenshtein distance calculations. X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Mon, 10 Aug 2026 13:41:29 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============1501618441789605465== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 QXZvaWQgb3ZlcmZsb3cgaW4gTGV2ZW5zaHRlaW4gZGlzdGFuY2UgY2FsY3VsYXRpb25zLgoKbGV2 ZW5zaHRlaW4oKSBhbmQgbGV2ZW5zaHRlaW5fbGVzc19lcXVhbCgpIGxldCB0aGUgY2FsbGVyIHNw ZWNpZnkKdGhlIGluc2VydGlvbiwgZGVsZXRpb24sIGFuZCBzdWJzdGl0dXRpb24gY29zdHMsIGFu ZApmdXp6eXN0cm1hdGNoJ3MgY29ycmVzcG9uZGluZyBTUUwgZnVuY3Rpb25zIGFjY2VwdCBhbnkg MzItYml0CmludGVnZXIgZm9yIGVhY2guICBTaW5jZSB0aGUgZGlzdGFuY2VzIGFyZSBjYWxjdWxh dGVkIHdpdGggMzItYml0CmFyaXRobWV0aWMsIGxhcmdlIGNvc3RzIGNhbiBjYXVzZSBvdmVyZmxv d3MsIHRoZXJlYnkgcHJvZHVjaW5nCm5vbnNlbnNpY2FsIHJlc3VsdHMuICBDZXJ0YWluIGlucHV0 cyB0byBsZXZlbnNodGVpbl9sZXNzX2VxdWFsKCkKY2FuIGV2ZW4gY2F1c2Ugb3V0LW9mLWJvdW5k cyB3cml0ZXMuICBUbyBmaXgsIHVzZSA2NC1iaXQgYXJpdGhtZXRpYwppbnN0ZWFkLCBhbmQgZXJy b3Igd2hlbmV2ZXIgdGhlIGZpbmFsIHJlc3VsdCB3b24ndCBmaXQgaW4gdGhlCnJldHVybmVkIDMy LWJpdCBpbnRlZ2VyLgoKV2UgbWF5IHdhbnQgdG8gdGVhY2ggdGhlc2UgZnVuY3Rpb25zIHRvIHJl amVjdCBuZWdhdGl2ZSBjb3N0cywgdG9vLApidXQgdGhhdCBkaWRuJ3Qgc2VlbSBhcHByb3ByaWF0 ZSBmb3IgYSBzZWN1cml0eSBmaXgsIGFuZCB0aGVyZWZvcmUKaXQgaXMgbGVmdCBhcyBhIGZ1dHVy ZSBleGVyY2lzZS4KClJlcG9ydGVkLWJ5OiBCZW4gTW9ycmlzIGluIGNvbGxhYm9yYXRpb24gd2l0 aCBDbGF1ZGUgYW5kIEFudGhyb3BpYyBSZXNlYXJjaApBdXRob3I6IE5hdGhhbiBCb3NzYXJ0IDxu YXRoYW5kYm9zc2FydEBnbWFpbC5jb20+ClJldmlld2VkLWJ5OiBEZWFuIFJhc2hlZWQgPGRlYW4u YS5yYXNoZWVkQGdtYWlsLmNvbT4KU2VjdXJpdHk6IENWRS0yMDI2LTE1NzQyCkJhY2twYXRjaC10 aHJvdWdoOiAxNAoKQnJhbmNoCi0tLS0tLQpSRUxfMTZfU1RBQkxFCgpEZXRhaWxzCi0tLS0tLS0K aHR0cHM6Ly9naXQucG9zdGdyZXNxbC5vcmcvcGcvY29tbWl0ZGlmZi82MTQ4MWFhMGU0YWE2NmMz MmE4ODI2NzMyZjMwZDE3ZDRjNDg4ZDA2CkF1dGhvcjogTmF0aGFuIEJvc3NhcnQgPG5hdGhhbkBw b3N0Z3Jlc3FsLm9yZz4KCk1vZGlmaWVkIEZpbGVzCi0tLS0tLS0tLS0tLS0tCmNvbnRyaWIvZnV6 enlzdHJtYXRjaC9leHBlY3RlZC9mdXp6eXN0cm1hdGNoLm91dCB8IDE0ICsrKysKY29udHJpYi9m dXp6eXN0cm1hdGNoL3NxbC9mdXp6eXN0cm1hdGNoLnNxbCAgICAgIHwgIDMgKwpzcmMvYmFja2Vu ZC91dGlscy9hZHQvbGV2ZW5zaHRlaW4uYyAgICAgICAgICAgICAgfCA4OSArKysrKysrKysrKyst LS0tLS0tLS0tLS0Kc3JjL2JhY2tlbmQvdXRpbHMvYWR0L3ZhcmxlbmEuYyAgICAgICAgICAgICAg ICAgIHwgMTQgKysrKwo0IGZpbGVzIGNoYW5nZWQsIDc3IGluc2VydGlvbnMoKyksIDQzIGRlbGV0 aW9ucygtKQoK --===============1501618441789605465==--