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gh-127076: Disable strace tests under LD_PRELOAD #127086

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Merged
vstinner merged 3 commits into from
Nov 21, 2024
Merged

gh-127076: Disable strace tests under LD_PRELOAD #127086

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gh-127076: Disable strace tests under LD_PRELOAD
cmaloney Nov 21, 2024
4b2538b
📜🤖 Added by blurb_it.
blurb-it[bot] Nov 21, 2024
7e2c69e
Update Lib/test/support/strace_helper.py
cmaloney Nov 21, 2024
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8 changes: 8 additions & 0 deletions Lib/test/support/strace_helper.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import re
import sys
import textwrap
import os
import unittest
from dataclasses import dataclass
from functools import cache
Expand Down Expand Up @@ -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)")

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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Tests/2024-11-21-02-03-48.gh-issue-127076.a3avV1.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Disable strace based system call tests when LD_PRELOAD is set.