Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gVDTQ-00073w-GI for pgsql-bugs@arkaria.postgresql.org; Fri, 07 Dec 2018 10:35:08 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1gVDTO-0005ad-KR for pgsql-bugs@arkaria.postgresql.org; Fri, 07 Dec 2018 10:35:06 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gVDTO-0005XU-Cr for pgsql-bugs@lists.postgresql.org; Fri, 07 Dec 2018 10:35:06 +0000 Received: from wrigleys.postgresql.org ([2620:122:b000:7::246]) by magus.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1gVDTL-0003D9-4L for pgsql-bugs@lists.postgresql.org; Fri, 07 Dec 2018 10:35:06 +0000 Content-Type: multipart/mixed; boundary="===============8035073815304858521==" MIME-Version: 1.0 Subject: BUG #15540: Use after release in ExecuteTruncateGuts To: pgsql-bugs@lists.postgresql.org From: =?utf-8?q?PG_Bug_reporting_form?= Cc: bianpan2016@163.com Reply-To: bianpan2016@163.com, pgsql-bugs@lists.postgresql.org Date: Fri, 07 Dec 2018 10:34:28 +0000 Message-ID: <15540-01078812338195c0@postgresql.org> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk --===============8035073815304858521== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBidWcgaGFzIGJlZW4gbG9nZ2VkIG9uIHRoZSB3ZWJzaXRlOgoKQnVnIHJl ZmVyZW5jZTogICAgICAxNTU0MApMb2dnZWQgYnk6ICAgICAgICAgIFBhbiBCaWFuCkVtYWlsIGFk ZHJlc3M6ICAgICAgYmlhbnBhbjIwMTZAMTYzLmNvbQpQb3N0Z3JlU1FMIHZlcnNpb246IDExLjEK T3BlcmF0aW5nIHN5c3RlbTogICBMaW51eApEZXNjcmlwdGlvbjogICAgICAgIAoKRmlsZTogc3Jj L2JhY2tlbmQvY29tbWFuZHMvdGFibGVjbWRzLmMNCkZ1bmN0aW9uOiBFeGVjdXRlVHJ1bmNhdGVH dXRzDQpJc3N1ZSBkZXRhaWxzOg0KVGhlIGZ1bmN0aW9uIEV4ZWN1dGVUcnVuY2F0ZUd1dHMgZHJv cHMgdGhlIHJlZmVyZW5jZSB0byByZWwgdmlhCnJlbGF0aW9uX2Nsb3NlIHdoZW4gdG9hc3RfcmVs aWQgaXMgdmFsaWQuIEhvd2V2ZXIsIGFmdGVyIHRoYXQsIHJlbCBpcyBwYXNzZWQKdG8gcGdzdGF0 X2NvdW50X3RydW5jYXRlLiBUaGlzIG1heSByZXN1bHQgaW4gYSB1c2UtYWZ0ZXItcmVsZWFzZSBi dWcuIE1heWJlLApyZWwgc2hvdWxkIGJlIHJlLWRlY2xhcmVkIG9uIHRoZSBicmFuY2ggdGhhdCB0 b2FzdF9yZWxpZCBpcyB2YWxpZC4NCg0KRm9yIHlvdXIgY29udmVuaWVuY2UsIEkgY29weS1hbmQt cGFzdGUgcmVsYXRlZCBjb2RlIGFzIGZvbGxvd3M6DQoNCnZvaWQNCkV4ZWN1dGVUcnVuY2F0ZUd1 dHMoTGlzdCAqZXhwbGljaXRfcmVscywgTGlzdCAqcmVsaWRzLCBMaXN0CipyZWxpZHNfbG9nZ2Vk LA0KICAgICAgICAgICAgICAgICAgICBEcm9wQmVoYXZpb3IgYmVoYXZpb3IsIGJvb2wgcmVzdGFy dF9zZXFzKQ0Kew0KICAgIC4uLg0KICAgIGZvcmVhY2goY2VsbCwgcmVscykNCiAgICB7DQogICAg ICAgIFJlbGF0aW9uICAgIHJlbCA9IChSZWxhdGlvbikgbGZpcnN0KGNlbGwpOw0KICAgICAgICAu Li4NCiAgICAgICAgaWYgKHJlbC0+cmRfY3JlYXRlU3ViaWQgPT0gbXlTdWJpZCB8fA0KICAgICAg ICAgICAgcmVsLT5yZF9uZXdSZWxmaWxlbm9kZVN1YmlkID09IG15U3ViaWQpDQogICAgICAgIHsN CiAgICAgICAgICAgIC8qIEltbWVkaWF0ZSwgbm9uLXJvbGxiYWNrYWJsZSB0cnVuY2F0aW9uIGlz IE9LICovDQogICAgICAgICAgICBoZWFwX3RydW5jYXRlX29uZV9yZWwocmVsKTsNCiAgICAgICAg fQ0KICAgICAgICBlbHNlDQogICAgICAgIHsNCiAgICAgICAgICAgIE9pZCAgICAgICAgIGhlYXBf cmVsaWQ7DQogICAgICAgICAgICBPaWQgICAgICAgICB0b2FzdF9yZWxpZDsNCiAgICAgICAgICAg IC4uLg0KICAgICAgICAgICAgdG9hc3RfcmVsaWQgPSByZWwtPnJkX3JlbC0+cmVsdG9hc3RyZWxp ZDsNCg0KICAgICAgICAgICAgLyoNCiAgICAgICAgICAgICAqIFRoZSBzYW1lIGZvciB0aGUgdG9h c3QgdGFibGUsIGlmIGFueS4NCiAgICAgICAgICAgICAqLw0KICAgICAgICAgICAgaWYgKE9pZElz VmFsaWQodG9hc3RfcmVsaWQpKQ0KICAgICAgICAgICAgew0KICAgICAgICAgICAgICAgIHJlbCA9 IHJlbGF0aW9uX29wZW4odG9hc3RfcmVsaWQsIEFjY2Vzc0V4Y2x1c2l2ZUxvY2spOyAKLy8jIyMg b3BlbiBhIHJlbGF0aW9uDQogICAgICAgICAgICAgICAgUmVsYXRpb25TZXROZXdSZWxmaWxlbm9k ZShyZWwsCnJlbC0+cmRfcmVsLT5yZWxwZXJzaXN0ZW5jZSwNCiAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgIFJlY2VudFhtaW4sIG1pbm11bHRpKTsNCiAgICAgICAgICAg ICAgICBpZiAocmVsLT5yZF9yZWwtPnJlbHBlcnNpc3RlbmNlID09ClJFTFBFUlNJU1RFTkNFX1VO TE9HR0VEKQ0KICAgICAgICAgICAgICAgICAgICBoZWFwX2NyZWF0ZV9pbml0X2ZvcmsocmVsKTsN CiAgICAgICAgICAgICAgICBoZWFwX2Nsb3NlKHJlbCwgTm9Mb2NrKTsgICAvLyMjIyByZWxlYXNl IHRoZSByZWxhdGlvbg0KICAgICAgICAgICAgfQ0KDQogICAgICAgICAgICAvKg0KICAgICAgICAg ICAgICogUmVjb25zdHJ1Y3QgdGhlIGluZGV4ZXMgdG8gbWF0Y2gsIGFuZCB3ZSdyZSBkb25lLg0K ICAgICAgICAgICAgICovDQogICAgICAgICAgICByZWluZGV4X3JlbGF0aW9uKGhlYXBfcmVsaWQs IFJFSU5ERVhfUkVMX1BST0NFU1NfVE9BU1QsIDApOw0KICAgICAgICB9DQoNCiAgICAgICAgcGdz dGF0X2NvdW50X3RydW5jYXRlKHJlbCk7ICAgLy8jIyMgdGhlIHJlbGVhc2VkIHJlbGF0aW9uIGlz IHVzZWQKYWdhaW4NCiAgICB9DQp9DQoNClRoYW5rIHlvdSwNClBhbiBCaWFuCgo= --===============8035073815304858521==--