From: Cody Maloney Date: Thu, 21 Nov 2024 09:33:12 +0000 (-0800) Subject: gh-127076: Disable strace tests under LD_PRELOAD (#127086) X-Git-Tag: v3.14.0a3~270 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ff2278e2bf660155ca8f7c0529190ca59a41c13a;p=thirdparty%2FPython%2Fcpython.git gh-127076: Disable strace tests under LD_PRELOAD (#127086) Distribution tooling (ex. sandbox on Gentoo and fakeroot on Debian) uses LD_PRELOAD to intercept system calls and potentially modify them when building. These tools can change the set of system calls, so disable system call testing under these cases. Co-authored-by: Michał Górny --- diff --git a/Lib/test/support/strace_helper.py b/Lib/test/support/strace_helper.py index 7fb4581b2a73..90281b472742 100644 --- a/Lib/test/support/strace_helper.py +++ b/Lib/test/support/strace_helper.py @@ -1,6 +1,7 @@ import re import sys import textwrap +import os import unittest from dataclasses import dataclass from functools import cache @@ -163,6 +164,13 @@ def requires_strace(): if sys.platform != "linux": return unittest.skip("Linux only, requires strace.") + if "LD_PRELOAD" in os.environ: + # Distribution packaging (ex. Debian `fakeroot` and Gentoo `sandbox`) + # use LD_PRELOAD to intercept system calls, which changes the overall + # set of system calls which breaks tests expecting a specific set of + # system calls). + return unittest.skip("Not supported when LD_PRELOAD is intercepting system calls.") + if support.check_sanitizer(address=True, memory=True): return unittest.skip("LeakSanitizer does not work under ptrace (strace, gdb, etc)") diff --git a/Misc/NEWS.d/next/Tests/2024-11-21-02-03-48.gh-issue-127076.a3avV1.rst b/Misc/NEWS.d/next/Tests/2024-11-21-02-03-48.gh-issue-127076.a3avV1.rst new file mode 100644 index 000000000000..7dec8bd627c0 --- /dev/null +++ b/Misc/NEWS.d/next/Tests/2024-11-21-02-03-48.gh-issue-127076.a3avV1.rst @@ -0,0 +1 @@ +Disable strace based system call tests when LD_PRELOAD is set.