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gh-156312: Prevent mailbox.MH replacement failures from corrupting messages #209222

gh-156312: Prevent mailbox.MH replacement failures from corrupting messages

gh-156312: Prevent mailbox.MH replacement failures from corrupting messages #209222

Triggered via pull request September 13, 2026 04:30
Status Failure
Total duration 36m 48s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
14s
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
Waiting for pending jobs
Docs  /  Doctest
6m 42s
Docs / Doctest
Docs  /  Check EPUB
2m 25s
Docs / Check EPUB
Check if Autoconf files are up to date
33s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 30s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
11s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 6s
Ubuntu (installed) / build, install and test
iOS
19m 0s
iOS
Emscripten  /  build and test
20m 0s
Emscripten / build and test
WASI  /  build and test
5m 3s
WASI / build and test
Hypothesis tests on Ubuntu
10m 25s
Hypothesis tests on Ubuntu
Cross build Linux
4m 37s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
1m 47s
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

4 errors, 7 warnings, and 2 notices
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
macOS (free-threading) / build and test (macos-26)
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 / 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`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!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!
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
1.6 KB
sha256:4d83b4f75e7fb351c0a7c77d759ea9c9fc63a87f13d6744ec1b80771dad0dceb
html-ids-head.json.gz
126 KB
sha256:1dc3c805bc1d5d50826f8bebb7dfed2f0c4494ae1f5d940d6767f9e6ad5d2042