Tests

gh-156939: Detect buffer overflow in PyBytesWriter in debug mode #209190

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Triggered via pull request September 12, 2026 23:55

vstinner

synchronize #156943

vstinner:writer_canary

Status Failure

Total duration 32m 41s

Artifacts 2

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

Docs / Check EPUB

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

Matrix: build-android

Docs / ... / Check for removed HTML IDs

All required checks pass

Annotations

3 errors, 7 warnings, and 2 notices

Docs / Check EPUB

Process completed with exit code 1.

Docs / Docs

Process completed with exit code 2.

Android (x86_64)

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`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!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`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!

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

`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!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

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	1.6 KB	`sha256:0b1a4ea2f0fa0712ff52435885c1b0cb54a70a03c58e1e6d39f8cc78a8405bba`
html-ids-head.json.gz	126 KB	`sha256:946dd5f4f8a854ec7c6a352fa9e03a74fe54d0a30c39ec38b7476c919cbc7120`