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[3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852) #190014

[3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852)

[3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852) #190014

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Triggered via pull request April 22, 2026 18:35

colesbury

opened #148885

colesbury:backport-ad3c5b7-3.13

Status Success

Total duration 20m 25s

Artifacts 1

build.yml

on: pull_request

Change detection / Create context from changed files

15s

Change detection / Create context from changed files

Matrix: Address sanitizer

Matrix: build-macos

Matrix: build-san

Matrix: Ubuntu SSL tests with OpenSSL

Matrix: build-ubuntu

Matrix: build-windows-msi

Waiting for pending jobs

Matrix: build-windows

Matrix: cifuzz

Waiting for pending jobs

Docs / Docs

Docs / Doctest

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 49s

Check if generated files are up to date

WASI / build and test

11m 38s

WASI / build and test

Hypothesis tests on Ubuntu

7m 15s

Hypothesis tests on Ubuntu

Check if the ABI has changed

1m 30s

Check if the ABI has changed

Matrix: build-android

All required checks pass

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2 errors and 25 warnings

Docs / Check EPUB

Process completed with exit code 1.

Docs / Docs

Process completed with exit code 2.

Check if the ABI has changed

The `python-version` input is not set. The version of Python currently in `PATH` will be used.

Windows / build (arm64): Modules/unicodedata.c#L1476

'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]

Windows (free-threading) / build (arm64): Modules/unicodedata.c#L1476

'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]

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.

macOS (free-threading) / build and test (macos-26)

openssl@3.0 was installed but not linked because openssl@3 and openssl@3 are already linked. To link this version, run: brew link openssl@3.0

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!

macOS (free-threading) / build and test (macos-26)

tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8

macOS (free-threading) / build and test (macos-26)

gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm

macOS (free-threading) / build and test (macos-26)

xz 5.8.3 is already installed and up-to-date. To reinstall 5.8.3, run: brew reinstall xz

macOS (free-threading) / build and test (macos-26)

pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf

Address sanitizer (ubuntu-24.04)

‘__builtin_strncpy’ output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation]

macOS / build and test (macos-26)

openssl@3.0 was installed but not linked because openssl@3 and openssl@3 are already linked. To link this version, run: brew link openssl@3.0

macOS / build and test (macos-26)

`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!

macOS / build and test (macos-26)

tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8

macOS / build and test (macos-26)

gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm

macOS / build and test (macos-26)

xz 5.8.3 is already installed and up-to-date. To reinstall 5.8.3, run: brew reinstall xz

macOS / build and test (macos-26)

pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf

Windows / build and test (x64): Modules/unicodedata.c#L1476

'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]

macOS / build and test (macos-15-intel)

openssl@3.0 was installed but not linked because openssl@3 and openssl@3 are already linked. To link this version, run: brew link openssl@3.0

macOS / build and test (macos-15-intel)

`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!

macOS / build and test (macos-15-intel)

tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8

macOS / build and test (macos-15-intel)

gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm

macOS / build and test (macos-15-intel)

xz 5.8.3 is already installed and up-to-date. To reinstall 5.8.3, run: brew reinstall xz

macOS / build and test (macos-15-intel)

pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf

Windows (free-threading) / build and test (x64): Modules/unicodedata.c#L1476

'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]

Artifacts

Produced during runtime

Name	Size	Digest
TSan-logs-free-threading Expired	1.8 KB	`sha256:f83dae8236a4b5763f3e582138eee3d85c9157471cf54469f6f4de5d17e6cfd2`

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[3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852) #190014

Summary

[3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852) #190014

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build.yml

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