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 1wuX55-000lYh-0V for pgsql-committers@arkaria.postgresql.org; Thu, 13 Aug 2026 15:10:55 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wuX51-00DYpV-0w for pgsql-committers@arkaria.postgresql.org; Thu, 13 Aug 2026 15:10:52 +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 1wtQFv-00HQjp-1I for pgsql-committers@lists.postgresql.org; Mon, 10 Aug 2026 13:41:30 +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 1wtQFn-00000001M2d-183f for pgsql-committers@lists.postgresql.org; Mon, 10 Aug 2026 13:41:30 +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 1wtQFl-00216X-1M for pgsql-committers@lists.postgresql.org; Mon, 10 Aug 2026 13:41:21 +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 1wtQFk-00000000y1t-3j6Z for pgsql-committers@lists.postgresql.org; Mon, 10 Aug 2026 13:41:20 +0000 Content-Type: multipart/mixed; boundary="===============3639446425904143015==" 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 13:41:20 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============3639446425904143015== 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 aHJvdWdoOiAxNAoKQnJhbmNoCi0tLS0tLQptYXN0ZXIKCkRldGFpbHMKLS0tLS0tLQpodHRwczov L2dpdC5wb3N0Z3Jlc3FsLm9yZy9wZy9jb21taXRkaWZmLzkxODY4M2QxMmQ4NDlhNTE0Y2QzODA1 NmFhYjg4MjMyMmM3NGFkYjQKQXV0aG9yOiBOYXRoYW4gQm9zc2FydCA8bmF0aGFuQHBvc3RncmVz cWwub3JnPgoKTW9kaWZpZWQgRmlsZXMKLS0tLS0tLS0tLS0tLS0KY29udHJpYi9mdXp6eXN0cm1h dGNoL2V4cGVjdGVkL2Z1enp5c3RybWF0Y2gub3V0IHwgMTQgKysrKwpjb250cmliL2Z1enp5c3Ry bWF0Y2gvc3FsL2Z1enp5c3RybWF0Y2guc3FsICAgICAgfCAgMyArCnNyYy9iYWNrZW5kL3V0aWxz L2FkdC9sZXZlbnNodGVpbi5jICAgICAgICAgICAgICB8IDg5ICsrKysrKysrKysrKy0tLS0tLS0t LS0tLQpzcmMvYmFja2VuZC91dGlscy9hZHQvdmFybGVuYS5jICAgICAgICAgICAgICAgICAgfCAx NCArKysrCjQgZmlsZXMgY2hhbmdlZCwgNzcgaW5zZXJ0aW9ucygrKSwgNDMgZGVsZXRpb25zKC0p Cgo= --===============3639446425904143015==--