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Tom Lane 020426268f pgcrypto: avoid recursive ResourceOwnerForget(). 
Raising an error within a function using an OSSLCipher object led
to a complaint from ResourceOwnerForget and then a double-free crash,
because ResOwnerReleaseOSSLCipher forgot to unhook the OSSLCipher
object from its owner.  (The sibling logic for OSSLDigest objects got
this right, as did every other ReleaseResource function AFAICS.)

Oversight in cd694f60d.

Bug: #19527
Reported-by: Yuelin Wang <3020001251@tju.edu.cn>
Author: Yuelin Wang <3020001251@tju.edu.cn>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/19527-6e7686960c6dce78@postgresql.org
Backpatch-through: 17
2026-06-22 12:59:16 -04:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Allow PG_PRINTF_ATTRIBUTE to be different in C and C++ code. 2026-02-25 11:57:26 -05:00
contrib pgcrypto: avoid recursive ResourceOwnerForget(). 2026-06-22 12:59:16 -04:00
doc doc: Fix "Prev" link, take 2. 2026-06-18 09:31:27 -05:00
src Strip removed-relation references from PlaceHolderVars at join removal 2026-06-22 10:43:01 +09:00
.abi-compliance-history Update .abi-compliance-history for pgstat_drop_entry() 2026-06-18 14:48:37 +09:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:53 -04:00
.cirrus.tasks.yml Make stack depth check work with asan's use-after-return 2026-05-28 11:34:11 -04:00
.cirrus.yml ci: Per-repo configuration for manually trigger tasks 2025-08-14 11:33:44 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add script to keep .editorconfig in sync with .gitattributes 2025-02-01 10:09:45 +01:00
.git-blame-ignore-revs Add previous commit to .git-blame-ignore-revs. 2025-10-21 10:02:19 -05:00
.gitattributes Fix git whitespace warning 2025-08-15 10:32:22 +02:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
.mailmap Add a Git .mailmap file 2024-11-05 13:56:02 +01:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Stamp 18.4. 2026-05-11 15:44:35 -04:00
configure.ac Stamp 18.4. 2026-05-11 15:44:35 -04:00
COPYRIGHT Update copyright for 2026 2026-01-01 13:24:10 -05:00
GNUmakefile.in Allow selecting the git revision to be packaged by "make dist". 2024-05-03 11:08:50 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Adapt REL_18_STABLE to its new status as a stable branch 2025-06-29 23:00:00 -04:00
meson.build Stamp 18.4. 2026-05-11 15:44:35 -04:00
meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
README.md Adapt REL_18_STABLE to its new status as a stable branch 2025-06-29 23:00:00 -04:00

README.md

PostgreSQL Database Management System

This directory contains the source code distribution of the PostgreSQL database management system.

PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.

Copyright and license information can be found in the file COPYRIGHT.

General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/18/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/18/installation.html.

The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.