Improve error handling of xml2 with libxml2 OOMs

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v4, Patch count: 2, First patch: +62−16, All patches: +356−166

Topic

Bug Fixes

Created

2025-06-03 04:17:23

Last modified

2025-06-12 12:44:02 (yesterday)

Latest email

2025-06-08 22:27:56 (4 days ago)

Status

2025-07: Needs review

Target version

Authors

Michael Paquier (michael-kun)

Reviewers

Jim Jones (jimus)Become reviewer

Committer

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 2025-06-08 22:27:56 by Michael Paquier <michael at paquier.xyz>
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
2025-06-12 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