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 1u7gO7-003y04-TP for pgsql-committers@arkaria.postgresql.org; Wed, 23 Apr 2025 20:08:08 +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 1u7gO5-009pia-Sb for pgsql-committers@arkaria.postgresql.org; Wed, 23 Apr 2025 20:08:06 +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 1u7gLR-009nkh-4p for pgsql-committers@lists.postgresql.org; Wed, 23 Apr 2025 20:05:21 +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 1u7gLO-001ejH-0d for pgsql-committers@lists.postgresql.org; Wed, 23 Apr 2025 20:05:21 +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 1u7gLM-004TCE-Nq for pgsql-committers@lists.postgresql.org; Wed, 23 Apr 2025 20:05:17 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1u7gLM-001SFw-2p for pgsql-committers@lists.postgresql.org; Wed, 23 Apr 2025 20:05:17 +0000 Content-Type: multipart/mixed; boundary="===============1466217460562495913==" MIME-Version: 1.0 From: Tom Lane To: pgsql-committers@lists.postgresql.org Subject: pgsql: Avoid possibly-theoretical OOM crash hazard in hash_create(). X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Wed, 23 Apr 2025 20:05:17 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============1466217460562495913== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 QXZvaWQgcG9zc2libHktdGhlb3JldGljYWwgT09NIGNyYXNoIGhhemFyZCBpbiBoYXNoX2NyZWF0 ZSgpLgoKT25lIHBsYWNlIGluIGhhc2hfY3JlYXRlKCkgdXNlZCBEeW5hSGFzaEFsbG9jKCkgYXMg YSBjb252ZW5pZW50CnNob3J0aGFuZCBmb3IgTWVtb3J5Q29udGV4dEFsbG9jKCkuICBUaGF0IHdh cyBmaW5lIHdoZW4gaXQgd2FzCndyaXR0ZW4sIGJ1dCBpdCBzdG9wcGVkIGJlaW5nIGZpbmUgd2hl biA5YzkxMWVjMDYgY2hhbmdlZApEeW5hSGFzaEFsbG9jKCkgdG8gdXNlIE1DWFRfQUxMT0NfTk9f T09NIChtZWEgY3VscGEpLiAgQ2hhbmdlCnRoZSBjb2RlIHRvIGNhbGwgcGxhaW4gTWVtb3J5Q29u dGV4dEFsbG9jKCkgYXMgaW50ZW5kZWQuCgpJIHRoaW5rIHRoYXQgdGhpcyBidWcgbWF5IGJlIHVu cmVhY2hhYmxlIGluIHByYWN0aWNlLCBzaW5jZSB3ZSBub3cKYWx3YXlzIGNyZWF0ZSBBbGxvY1Nl dHMgd2l0aCBzb21lIHNwYWNlIGFscmVhZHkgYWxsb2NhdGVkLCBzbyB0aGF0CmFuIE9PTSBmYWls dXJlIGhlcmUgZm9yIGEgbm9uLXNoYXJlZCBoYXNoIHRhYmxlIHNob3VsZCBiZSBpbXBvc3NpYmxl Cih3aXRoIGEgaGFzaCB0YWJsZSBuYW1lIG9mIHJlYXNvbmFibGUgbGVuZ3RoIGFueXdheSkuICBB bmQgdGhlcmUKYXJlbid0IGVub3VnaCBzaGFyZWQgaGFzaCB0YWJsZXMgdG8gbWFrZSBhIGNyYXNo IGZvciBvbmUgb2YgdGhvc2UKcHJvYmFibGUuICBOb25ldGhlbGVzcyBpdCdzIGNsZWFybHkgbm90 IG9wZXJhdGluZyBhcyBkZXNpZ25lZCwgc28KYmFjay1wYXRjaCB0byB2MTYgd2hlcmUgOWM5MTFl YzA2IGNhbWUgaW4uCgpSZXBvcnRlZC1ieTogTWFrc2ltIEtvcm90a292IDxtLmtvcm90a292QHBv c3RncmVzcHJvLnJ1PgpBdXRob3I6IFRvbSBMYW5lIDx0Z2xAc3NzLnBnaC5wYS51cz4KRGlzY3Vz c2lvbjogaHR0cHM6Ly9wb3N0Z3IuZXMvbS8yMTliZGNjZDQ2MDUxMGVmYWNjZjkwYjU3ZTVlNWVm MkBwb3N0Z3Jlc3Byby5ydQpCYWNrcGF0Y2gtdGhyb3VnaDogMTYKCkJyYW5jaAotLS0tLS0KbWFz dGVyCgpEZXRhaWxzCi0tLS0tLS0KaHR0cHM6Ly9naXQucG9zdGdyZXNxbC5vcmcvcGcvY29tbWl0 ZGlmZi9iYzE5ZjYzZjgwMTA5NzM3ZTI2MTBjODFmNjVkMzNmYzkzMjQ2YjJlCgpNb2RpZmllZCBG aWxlcwotLS0tLS0tLS0tLS0tLQpzcmMvYmFja2VuZC91dGlscy9oYXNoL2R5bmFoYXNoLmMgfCAz ICsrLQoxIGZpbGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCgo= --===============1466217460562495913==--