Tests

gh-156939: Detect PyBytesWriter buffer overflow earlier #209196

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Triggered via pull request September 13, 2026 01:35

vstinner

opened #157385

vstinner:check_canary

Status Failure

Total duration 37m 35s

Artifacts 1

build.yml

on: pull_request

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

Matrix: cifuzz

Check if Autoconf files are up to date

Check if generated files are up to date

C API Docs / Check if all C APIs are documented

Ubuntu (installed) / build, install and test

Emscripten / build and test

WASI / build and test

Hypothesis tests on Ubuntu

Cross build Linux

Docs / Check EPUB

Matrix: build-android

Docs / ... / Check for removed HTML IDs

All required checks pass

Annotations

19 errors, 7 warnings, and 2 notices

WASI / build and test

Process completed with exit code 2.

Hypothesis tests on Ubuntu

Process completed with exit code 2.

Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)

Process completed with exit code 2.

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

Process completed with exit code 2.

Ubuntu / build and test (ubuntu-26.04-arm)

Process completed with exit code 2.

Ubuntu / build and test (ubuntu-26.04)

Process completed with exit code 2.

macOS / build and test (macos-26)

Process completed with exit code 2.

Sanitizers / TSan

Process completed with exit code 2.

Ubuntu (bolt) / build and test (ubuntu-26.04)

Process completed with exit code 2.

Ubuntu (free-threading) / build and test (ubuntu-26.04)

Process completed with exit code 2.

Windows / Build and test (arm64, switch-case)

Process completed with exit code 2.

Windows / Build and test (x64, switch-case)

Process completed with exit code 2.

macOS / build and test (macos-26-intel)

Process completed with exit code 2.

Windows / Build and test (Win32, switch-case)

Process completed with exit code 2.

Sanitizers / TSan (free-threading)

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.

Sanitizers / UBSan

Process completed with exit code 2.

All required checks pass

Process completed with exit code 1.

Cross build Linux: Parser/lexer/string.c#L81

variable ‘previous_end’ set but not used [-Wunused-but-set-variable]

Ubuntu (installed) / build, install and test: Parser/lexer/string.c#L81

variable ‘previous_end’ set but not used [-Wunused-but-set-variable]

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)

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

macOS / build and test (macos-26)

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

Address sanitizer (ubuntu-26.04): Parser/lexer/string.c#L81

variable ‘previous_end’ set but not used [-Wunused-but-set-variable]

macOS / build and test (macos-26-intel)

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

Windows / Build and test (arm64, switch-case)

"The windows-11-arm label will migrate to use Visual Studio 2026 by default beginning September 21, 2026. For more information see https://github.com/actions/runner-images/issues/14602"

Windows (free-threading) / Build and test (arm64, switch-case)

"The windows-11-arm label will migrate to use Visual Studio 2026 by default beginning September 21, 2026. For more information see https://github.com/actions/runner-images/issues/14602"

Artifacts

Produced during runtime

Name	Size	Digest
UBSan-logs-default	1.59 KB	`sha256:445307570880c3161d84d2a9376fd5812051aed259276d7a8c90364947669861`