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gh-155811: Add a seqcount to gc_stats to prevent torn reads #212176

gh-155811: Add a seqcount to gc_stats to prevent torn reads

gh-155811: Add a seqcount to gc_stats to prevent torn reads #212176

Triggered via pull request October 5, 2026 01:18
Status Success
Total duration 30m 52s
Artifacts 3

build.yml

on: pull_request
Change detection  /  Create context from changed files
15s
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
6m 53s
Docs / Doctest
Docs  /  Check EPUB
2m 32s
Docs / Check EPUB
Check if Autoconf files are up to date
24s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 41s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
12s
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
17m 44s
iOS
Emscripten  /  build and test
20m 13s
Emscripten / build and test
WASI  /  build and test
4m 35s
WASI / build and test
Hypothesis tests on Ubuntu
9m 51s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
12m 37s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
5m 0s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 12s
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 13 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#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]
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)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26-intel)
`$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#L86
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
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 / 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 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"
Android (aarch64)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
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"
macOS / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
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"
iOS
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
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 (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"
macOS (free-threading) / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
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
MSan-logs-default
209 Bytes
sha256:6bffd3e58d9313b8f516cc3d27fea3c4814aa88607de635ec1d24abc01886a97
UBSan-logs-default
1.5 KB
sha256:0b2399526f6d5dc2b09fca3c346d28ebdde19a29c55b0ca5eff7bc362922bc9c
html-ids-head.json.gz
130 KB
sha256:711250dd5f89a070fe19d7fb764d5e1d22f806b9a9d84e94816b40495f217205