Improve error handling of xml2 with libxml2 OOMs

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ID 5794
Title Improve error handling of xml2 with libxml2 OOMs
CI (CFBot) Summary
Stats (from CFBot) Patch version: v4, Patch count: 1, First patch: +294−150, All patches: +294−150
Topic Bug Fixes
Tags
Created 2025-06-03 04:17:23
Last modified 2025-07-01 06:51:31 (3 months ago)
Latest email 2025-07-09 11:28:58 (3 months ago)
Status
PG19-1 (2025-07-01 – 2025-07-31): Committed
Target version 19
Authors Michael Paquier (michael-kun)
Reviewers Jim Jones (jimus)Become reviewer
Committer Michael Paquier (michael-kun)
Links
Emails
BUG #18943: Return value of a function 'xmlBufferCreate' is dereferenced at xpath.c:177 without checking for NUL
First at 2025-06-01 19:05:25 by PG Bug reporting form <noreply at postgresql.org>
Latest at 2025-07-09 11:28:58 by "Robin Haberkorn" <haberkorn at b1-systems.de>
Latest attachment (v4-0001-Improve-error-handling-with-calls-to-libxml2.patch) at 2025-06-08 02:19:29 from Michael Paquier <michael at paquier.xyz>
    Attachment (v4-0001-Improve-error-handling-with-calls-to-libxml2.patch) at 2025-06-08 02:19:29 from Michael Paquier <michael at paquier.xyz> (Patch: Yes)
    Attachment (v3-0001-xml2-Fix-error-handling-in-corner-cases.patch) at 2025-06-06 05:54:40 from Michael Paquier <michael at paquier.xyz> (Patch: Yes)
    Attachment (v2-0001-xml2-Fix-error-handling-in-corner-cases.patch) at 2025-06-05 04:52:46 from Michael Paquier <michael at paquier.xyz> (Patch: Yes)
    Attachment (0001-xml2-Fix-error-handling-in-corner-cases.patch) at 2025-06-02 05:21:24 from Michael Paquier <michael at paquier.xyz> (Patch: Yes)
History
When Who What
2025-07-01 06:51:31 Michael Paquier (michael-kun) Closed in commitfest PG19-1 with status: Committed
2025-07-01 06:51:31 Michael Paquier (michael-kun) Changed committer to michael-kun
2025-06-12 12:44:02 Jim Jones (jimus) Changed targetversion to 19
2025-06-06 10:27:06 Jim Jones (jimus) Added jimus as reviewer
2025-06-03 04:17:23 Michael Paquier (michael-kun) Attached mail thread 18943-2f2a04ab03904598@postgresql.org
2025-06-03 04:17:23 Michael Paquier (michael-kun) Created patch record
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