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gh-156939: Detect buffer overflow in PyBytesWriter in debug mode #208838

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

gh-156939: Detect buffer overflow in PyBytesWriter in debug mode #208838

Triggered via pull request September 9, 2026 19:54
Status Success
Total duration 33m 56s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
13s
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  /  Doctest
7m 44s
Docs / Doctest
Docs  /  Check EPUB
2m 21s
Docs / Check EPUB
Check if Autoconf files are up to date
32s
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
C API Docs  /  Check if all C APIs are documented
14s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 2s
Ubuntu (installed) / build, install and test
iOS
23m 11s
iOS
Emscripten  /  build and test
20m 53s
Emscripten / build and test
WASI  /  build and test
4m 53s
WASI / build and test
Hypothesis tests on Ubuntu
10m 4s
Hypothesis tests on Ubuntu
Cross build Linux
5m 10s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 11s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
3s
All required checks pass
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Annotations

2 errors, 7 warnings, and 2 notices
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
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 / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!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
1.59 KB
sha256:f5551584c43a70f42f151efbe0bda1853cd18414ea6e5ee6c4b0899996a7fa76
html-ids-head.json.gz
126 KB
sha256:67e7b5cb0253d6acbb705e67bdcf4a71504de611928b958ff49ff514ddad70a2