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 1w3I3w-0015D6-0L for pgsql-committers@arkaria.postgresql.org; Thu, 19 Mar 2026 18:25:40 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w3I3u-001mpP-14 for pgsql-committers@arkaria.postgresql.org; Thu, 19 Mar 2026 18:25:38 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w3I3u-001mpH-0O for pgsql-committers@lists.postgresql.org; Thu, 19 Mar 2026 18:25:38 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1w3I3s-000000002gl-2k3t for pgsql-committers@lists.postgresql.org; Thu, 19 Mar 2026 18:25:37 +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 1w3I3s-001bPZ-0V for pgsql-committers@lists.postgresql.org; Thu, 19 Mar 2026 18:25:36 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w3I3q-000WyH-0M for pgsql-committers@lists.postgresql.org; Thu, 19 Mar 2026 18:25:34 +0000 Content-Type: multipart/mixed; boundary="===============5253974916470360124==" MIME-Version: 1.0 From: Tom Lane To: pgsql-committers@lists.postgresql.org Subject: pgsql: Avoid leaking duplicated file descriptors in corner cases. X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Thu, 19 Mar 2026 18:25:34 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============5253974916470360124== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 QXZvaWQgbGVha2luZyBkdXBsaWNhdGVkIGZpbGUgZGVzY3JpcHRvcnMgaW4gY29ybmVyIGNhc2Vz LgoKcGdfZHVtcCdzIGNvbXByZXNzaW9uIG1vZHVsZXMgaGFkIHZhcmlhdGlvbnMgb24gdGhlIHRo ZW1lIG9mCgogICAgICAgIGZwID0gZmRvcGVuKGR1cChmZCksIG1vZGUpOwogICAgICAgIGlmIChm cCA9PSBOVUxMKQogICAgICAgICAgICAvLyBmYWlsLCByZXBvcnRpbmcgZXJybm8KCndoaWNoIGlz IHByb2JsZW1hdGljIGZvciB0d28gcmVhc29ucy4gIEZpcnN0LCBpZiBkdXAoKSBzdWNjZWVkcyBi dXQKZmRvcGVuKCkgZmFpbHMsIHdlJ2QgbGVhayB0aGUgZHVwbGljYXRlZCBGRC4gIFRoYXQncyBu b3QgaW1wb3J0YW50CmF0IHByZXNlbnQgc2luY2UgdGhlIHByb2dyYW0gd2lsbCBqdXN0IGV4aXQg aW1tZWRpYXRlbHkgYWZ0ZXIgZmFpbHVyZQphbnl3YXk7IGJ1dCBwZXJoYXBzIHNvbWVkYXkgd2Un bGwgdHJ5IHRvIGNvbnRpbnVlLCBtYWtpbmcgdGhlIHJlc291cmNlCmxlYWsgcG90ZW50aWFsbHkg c2lnbmlmaWNhbnQuICBTZWNvbmQsIGlmIGR1cCgpIGZhaWxzIHRoZW4gZmRvcGVuKCkKd2lsbCBv dmVyd3JpdGUgdGhlIHVzZWZ1bCBlcnJubyAocGVyaGFwcyBFTUZJTEUpIHdpdGggYSBtaXNsZWFk aW5nCnZhbHVlIEVCQURGLCBtYWtpbmcgaXQgZGlmZmljdWx0IHRvIHVuZGVyc3RhbmQgd2hhdCB3 ZW50IHdyb25nLgpGaXggYm90aCBpc3N1ZXMgYnkgdGVzdGluZyBmb3IgZHVwKCkgZmFpbHVyZSBi ZWZvcmUgcHJvY2VlZGluZyB0bwp0aGUgbmV4dCBjYWxsLgoKVGhlc2UgZmFpbHVyZXMgYXJlIHN1 ZmZpY2llbnRseSB1bmxpa2VseSwgYW5kIHRoZSBjb25zZXF1ZW5jZXMgbWlub3IKZW5vdWdoLCB0 aGF0IHRoaXMgZG9lc24ndCBzZWVtIHdvcnRoIHRoZSBlZmZvcnQgdG8gYmFjay1wYXRjaC4KQnV0 IGxldCdzIGZpeCBpdCBpbiBIRUFELgoKQXV0aG9yOiBKaWFuZ2h1YSBZYW5nIDx5amhqc3R6QGdt YWlsLmNvbT4KUmV2aWV3ZWQtYnk6IFRvbSBMYW5lIDx0Z2xAc3NzLnBnaC5wYS51cz4KRGlzY3Vz c2lvbjogaHR0cHM6Ly9wb3N0Z3IuZXMvbS82MmJiZTM0ZC0yMzE1LTRiNDItYjc2OC01NmQ5MDFh YTgzZTFAZ21haWwuY29tCgpCcmFuY2gKLS0tLS0tCm1hc3RlcgoKRGV0YWlscwotLS0tLS0tCmh0 dHBzOi8vZ2l0LnBvc3RncmVzcWwub3JnL3BnL2NvbW1pdGRpZmYvOGIwMmMyMmJiNDNjYjQ4MGY0 Mzc3MDRkYzU0N2VhNzcxOTZiN2U5MwoKTW9kaWZpZWQgRmlsZXMKLS0tLS0tLS0tLS0tLS0Kc3Jj L2Jpbi9wZ19kdW1wL2NvbXByZXNzX2d6aXAuYyB8IDIwICsrKysrKysrKysrKysrKystLS0tCnNy Yy9iaW4vcGdfZHVtcC9jb21wcmVzc19sejQuYyAgfCAyNyArKysrKysrKysrKysrKysrKysrKysr LS0tLS0Kc3JjL2Jpbi9wZ19kdW1wL2NvbXByZXNzX25vbmUuYyB8IDIwICsrKysrKysrKysrKysr KystLS0tCnNyYy9iaW4vcGdfZHVtcC9jb21wcmVzc196c3RkLmMgfCAyOCArKysrKysrKysrKysr KysrKysrKysrLS0tLS0tCjQgZmlsZXMgY2hhbmdlZCwgNzYgaW5zZXJ0aW9ucygrKSwgMTkgZGVs ZXRpb25zKC0pCgo= --===============5253974916470360124==--