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gh-158345: Don't grow an array when append, insert or extend overflows #211381

gh-158345: Don't grow an array when append, insert or extend overflows

gh-158345: Don't grow an array when append, insert or extend overflows #211381

Triggered via pull request September 28, 2026 14:34
Status Success
Total duration 32m 14s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
12s
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 19s
Docs / Doctest
Docs  /  Check EPUB
2m 20s
Docs / Check EPUB
Check if Autoconf files are up to date
29s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 54s
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 12s
Ubuntu (installed) / build, install and test
iOS
24m 26s
iOS
Emscripten  /  build and test
12m 7s
Emscripten / build and test
WASI  /  build and test
4m 36s
WASI / build and test
Hypothesis tests on Ubuntu
11m 29s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
13m 16s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
4m 49s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 17s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
5s
All required checks pass
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Annotations

2 errors, 7 warnings, and 11 notices
Docs / Check EPUB
Process completed with exit code 1.
Docs / Docs
Process completed with exit code 2.
Cross build Linux: Parser/lexer/string.c#L86
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
Ubuntu (installed) / build, install and test: Parser/lexer/string.c#L86
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Address sanitizer (ubuntu-26.04): Parser/lexer/string.c#L86
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!
Change detection / Create context from changed files
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
C API Docs / Check if all C APIs are documented
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Check EPUB
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Docs
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Check for removed HTML IDs / Check for removed HTML IDs
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
CIFuzz / cpython3 (address)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
CIFuzz / cpython3 (memory)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
CIFuzz / cpython3 (undefined)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
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"
All required checks pass
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
1.59 KB
sha256:8d28f07bb349c15c82bd96256c71624af007e24accf11017978460b063a42bc4
html-ids-head.json.gz
130 KB
sha256:2bf0ff5d23c65f943b19bd2f0d7ad5189820b7dcb077bf73769292bfa2d0086d