python310/libexpat260.patch

From f2eebf3c38eae77765247791576b437ec25ccfe2 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Sun, 11 Feb 2024 12:08:39 +0200
Subject: [PATCH] gh-115133: Fix tests for XMLPullParser with Expat 2.6.0
 (GH-115164)

Feeding the parser by too small chunks defers parsing to prevent
CVE-2023-52425. Future versions of Expat may be more reactive.
(cherry picked from commit 4a08e7b3431cd32a0daf22a33421cd3035343dc4)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
---
 Lib/test/test_xml_etree.py                                              |    6 ++++++
 Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst |    2 ++
 2 files changed, 8 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst

--- a/Lib/test/test_xml_etree.py
+++ b/Lib/test/test_xml_etree.py
@@ -121,6 +121,10 @@ ATTLIST_XML = """\
 </foo>
 """
 
+fails_with_expat_2_6_0 = (unittest.expectedFailure
+                        if pyexpat.version_info >= (2, 6, 0) else
+                        lambda test: test)
+
 def checkwarnings(*filters, quiet=False):
     def decorator(test):
         def newtest(*args, **kwargs):
@@ -1420,9 +1424,11 @@ class XMLPullParserTest(unittest.TestCas
         self.assert_event_tags(parser, [('end', 'root')])
         self.assertIsNone(parser.close())
 
+    @fails_with_expat_2_6_0
     def test_simple_xml_chunk_1(self):
         self.test_simple_xml(chunk_size=1, flush=True)
 
+    @fails_with_expat_2_6_0
     def test_simple_xml_chunk_5(self):
         self.test_simple_xml(chunk_size=5, flush=True)
 
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
@@ -0,0 +1,2 @@
+Fix tests for :class:`~xml.etree.ElementTree.XMLPullParser` with Expat
+2.6.0.