python / python/cpython

[MSVC][ASAN] Cpython failed to run test_call test_functools tests with ASAN using MSVC on windows

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OS-windows tests type-bug
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Python
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描述

Hi,

Cpython failed to run test_call test_functools tests with ASAN using MSVC on windows, it can be reproduced on 151d1bf commit on main branch. Could you please help look at this issue? Thanks in advance.

Steps to reproduce the behavior:

  1. git clone https://github.com/python/cpython
  2. Open VS2022 x64 CMD & set CL= /fsanitize=address /GS- /wd5072 & set LINK= /InferASanLibs /incremental:no /debug
  3. cd /d C:\gitP\python\cpython\PCBuild
  4. get_externals.bat --clean-only
  5. build -e -p x64 -r --no-tkinter -v "/p:PlatformToolset=v143" "/p:WindowsTargetPlatformVersion=10.0.26100.0"
  6. rt -p x64 -q -x test_asyncio test_distutils test_importlib test_peg_generator test_tools test_socket test_compileall test_int test_sys test_venv test_embed test_urllib2net test_capi test_userdict

ErrorMessage:
For test_call:

  • python.exe -u -W default -bb -E -m test --fast-ci -q test_call --dont-add-python-opts
    Using random seed: 567836749
    0:00:00 Run 1 test in parallel using 1 worker process (timeout: 10 min, worker timeout: 15 min)

    test_varargs_keywords (test.test_call.TestCallingConventionsInstance.test_varargs_keywords) ... ok
    test_varargs_key
    1 test failed again:
    test_call
    == Tests result: FAILURE then FAILURE ==
    10 slowest tests:
    1 re-run test:
    test_call
    1 test failed:
    test_call
    Total duration: 3.7 sec
    Total tests: run=0
    Total test files: run=2/1 failed=1 rerun=1
    Result: FAILURE then FAILURE

For test_functools

  • python.exe -u -W default -bb -E -m test --fast-ci -q test_functools --dont-add-python-opts
    Using random seed: 2525602501
    0:00:00 Run 1 test in parallel using 1 worker process (timeout: 10 min, worker timeout: 15 min)
    test_cache (test.test_functools.TestCacheC.test_cache) ... ok
    ...
    File "C:\gitP\python\linkrepro\test\test_functools.py", line 2088 in fib
    =================================================================
    ==7220==ERROR: AddressSanitizer: stack-overflow on address 0x7ffc04c2ea82 (pc 0x7ffc04c2ea82 bp 0x0083a26041b0 sp 0x0083a2604000 T0)

    SUMMARY: AddressSanitizer: stack-overflow
    == Tests result: FAILURE ==
    10 slowest tests:
    1 test failed:
    test_functools
    0:00:01 Re-running 1 failed tests in verbose mode in subprocesses
    0:00:01 Run 1 test in parallel using 1 worker process (timeout: 10 min, worker timeout: 15 min)
    Re-running test_functools in verbose mode
    test_lru_recursion (test.test_functools.TestLRUC.test_lru_recursion) ... Windows fatal exception: stack overflow
    ...
    File "C:\gitP\python\linkrepro\test\test_functools.py", line 2088 in fib
    =================================================================
    ==2268==ERROR: AddressSanitizer: stack-overflow on address 0x7ffc04ca47f7 (pc 0x7ffc04ca47f7 bp 0x007b59a04320 sp 0x007b59a042a8 T0)

    SUMMARY: AddressSanitizer: stack-overflow
    ==2268==ABORTING
    1 test failed again:
    test_functools
    == Tests result: FAILURE then FAILURE ==
    10 slowest tests:
    1 re-run test:
    test_functools
    1 test failed:
    test_functools
    Total duration: 2.2 sec
    Total tests: run=0
    Total test files: run=2/1 failed=1 rerun=1
    Result: FAILURE then FAILURE

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  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

调研方向

使用 MSVC ASAN 配置重现所列 PCBuild 命令的失败,先从 test_call 和 test_functools 开始。检查 test/test_functools.py 第 2088 行附近的内容以及失败测试的输出,以确定栈溢出行为的范围。在此配置下,受影响的测试能够稳定通过且不再出现报告的 ASAN 失败,即视为完成。

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评估

技术栈
python
领域
build-system, operating-systems, testing-qa
Issue 类型
缺陷
难度
4/5
预计耗时
3-5 天
活跃度
停滞
描述清晰度
需要澄清
新手友好度
25/100

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