python3.11/00341-bpo-39460.patch

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From e457696601c6535f65105745998662398dbab064 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Wed, 29 Jan 2020 15:23:29 +0100
Subject: [PATCH] 00341: bpo-39460: Fix test_zipfile.test_add_file_after_2107()
XFS filesystem is limited to 32-bit timestamp, but the utimensat()
syscall doesn't fail. Moreover, there is a VFS bug which returns
a cached timestamp which is different than the value on disk.
https://bugzilla.redhat.com/show_bug.cgi?id=1795576
https://bugs.python.org/issue39460#msg360952
---
Lib/test/test_zipfile.py | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
index 66f05ac1f3..4c20bfd7e2 100644
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile.py
@@ -616,6 +616,18 @@ class StoredTestsWithSourceFile(AbstractTestsWithSourceFile,
except OverflowError:
self.skipTest('Host fs cannot set timestamp to required value.')
+ mtime_ns = os.stat(TESTFN).st_mtime_ns
+ if mtime_ns != (4386268800 * 10**9):
+ # XFS filesystem is limited to 32-bit timestamp, but the syscall
+ # didn't fail. Moreover, there is a VFS bug which returns
+ # a cached timestamp which is different than the value on disk.
+ #
+ # Test st_mtime_ns rather than st_mtime to avoid rounding issues.
+ #
+ # https://bugzilla.redhat.com/show_bug.cgi?id=1795576
+ # https://bugs.python.org/issue39460#msg360952
+ self.skipTest(f"Linux VFS/XFS kernel bug detected: {mtime_ns=}")
+
with zipfile.ZipFile(TESTFN2, "w") as zipfp:
self.assertRaises(struct.error, zipfp.write, TESTFN)
--
2.24.1