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gh-151218: Fix data race in sys_set_flag for free-threading #195877

gh-151218: Fix data race in sys_set_flag for free-threading

gh-151218: Fix data race in sys_set_flag for free-threading #195877

Triggered via pull request June 10, 2026 05:17
Status Failure
Total duration 29m 48s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
10s
Change detection / Create context from changed files
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests
Matrix: build-ubuntu
Matrix: build-windows-msi
Waiting for pending jobs
Matrix: build-windows
Matrix: cifuzz
Docs  /  Doctest
7m 46s
Docs / Doctest
Docs  /  Check EPUB
2m 11s
Docs / Check EPUB
Check if Autoconf files are up to date
27s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 21s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
10s
C API Docs / Check if all C APIs are documented
iOS
19m 30s
iOS
Emscripten  /  build and test
18m 35s
Emscripten / build and test
WASI  /  build and test
5m 44s
WASI / build and test
Hypothesis tests on Ubuntu
8m 57s
Hypothesis tests on Ubuntu
Cross build Linux
4m 25s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 6s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
3s
All required checks pass
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13 errors and 13 warnings
Ubuntu / build and test (ubuntu-24.04-arm)
Process completed with exit code 1.
Ubuntu / build and test (ubuntu-24.04)
Process completed with exit code 1.
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
macOS / build and test (macos-26-intel)
Process completed with exit code 1.
Ubuntu (bolt) / build and test (ubuntu-24.04)
Process completed with exit code 1.
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)
Process completed with exit code 2.
Windows (free-threading) / Build and test (x64, tail-call)
Process completed with exit code 2.
macOS (free-threading) / build and test (macos-26)
Process completed with exit code 2.
Ubuntu (free-threading) / build and test (ubuntu-24.04)
Process completed with exit code 2.
Windows (free-threading) / Build and test (arm64, switch-case)
Process completed with exit code 2.
Windows (free-threading) / Build and test (x64, switch-case)
Process completed with exit code 2.
All required checks pass
Process completed with exit code 1.
Ubuntu / build and test (ubuntu-24.04-arm): Python/sysmodule.c#L3526
‘_PySys_SetFlagInt’ defined but not used [-Wunused-function]
Ubuntu / build and test (ubuntu-24.04): Python/sysmodule.c#L3526
‘_PySys_SetFlagInt’ defined but not used [-Wunused-function]
Cross build Linux: Python/sysmodule.c#L3526
‘_PySys_SetFlagInt’ defined but not used [-Wunused-function]
Cross build Linux: Python/sysmodule.c#L3526
‘_PySys_SetFlagInt’ defined but not used [-Wunused-function]
macOS / build and test (macos-26-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
Hypothesis tests on Ubuntu: Python/sysmodule.c#L3526
‘_PySys_SetFlagInt’ defined but not used [-Wunused-function]
Ubuntu (bolt) / build and test (ubuntu-24.04): Python/sysmodule.c#L3526
‘_PySys_SetFlagInt’ defined but not used [-Wunused-function]
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Python/sysmodule.c#L3526
‘_PySys_SetFlagInt’ defined but not used [-Wunused-function]
Address sanitizer (ubuntu-24.04): Python/sysmodule.c#L3526
‘_PySys_SetFlagInt’ defined but not used [-Wunused-function]
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Ubuntu (free-threading) / build and test (ubuntu-24.04): Python/sysmodule.c#L3526
‘_PySys_SetFlagInt’ defined but not used [-Wunused-function]

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
1.54 KB
sha256:5e893079c50d7a61407ec68c982342a1379c90874695d72388f6a298ae7f60a5
html-ids-head.json.gz
120 KB
sha256:f8d7ed710dfaa38d70024c9eab2d24a2f5c8522a81e502a0d934a0d374ca3557