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gh-158600: Fix a race condition in concurrent set.intersection_update() #212102

gh-158600: Fix a race condition in concurrent set.intersection_update()

gh-158600: Fix a race condition in concurrent set.intersection_update() #212102

Triggered via pull request October 4, 2026 07:23
Status Cancelled
Total duration 9m 24s
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
Docs  /  Doctest
6m 27s
Docs / Doctest
Docs  /  Check EPUB
2m 25s
Docs / Check EPUB
Check if Autoconf files are up to date
27s
Check if Autoconf files are up to date
Check if generated files are up to date
3m 53s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
10s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 17s
Ubuntu (installed) / build, install and test
iOS
8m 51s
iOS
Emscripten  /  build and test
6m 29s
Emscripten / build and test
WASI  /  build and test
4m 22s
WASI / build and test
Hypothesis tests on Ubuntu
6m 29s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
6m 29s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
3m 55s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 20s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
3s
All required checks pass
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87 errors, 7 warnings, and 13 notices
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
CIFuzz / cpython3 (undefined)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
CIFuzz / cpython3 (undefined)
The operation was canceled.
CIFuzz / cpython3 (address)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
CIFuzz / cpython3 (address)
The operation was canceled.
Ubuntu (installed) / build, install and test
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Ubuntu (installed) / build, install and test
The operation was canceled.
CIFuzz / cpython3 (memory)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
CIFuzz / cpython3 (memory)
Path does not exist: cifuzz-sarif/results.sarif
CIFuzz / cpython3 (memory)
The operation was canceled.
Windows / Build and test (Win32, switch-case)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Windows / Build and test (Win32, switch-case)
The operation was canceled.
Windows / Build and test (x64, tail-call)
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Windows / Build and test (x64, tail-call)
The operation was canceled.
Windows / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Windows / Build and test (x64, switch-case)
The operation was canceled.
Windows (free-threading) / Build and test (x64, tail-call)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Windows (free-threading) / Build and test (x64, tail-call)
The operation was canceled.
Windows (free-threading) / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Windows (free-threading) / Build and test (x64, switch-case)
The operation was canceled.
Ubuntu (bolt) / build and test (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Ubuntu (bolt) / build and test (ubuntu-26.04)
The operation was canceled.
Docs / Doctest
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Docs / Doctest
The operation was canceled.
Android (x86_64)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Android (x86_64)
The operation was canceled.
Windows (free-threading) / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Windows (free-threading) / Build and test (arm64, switch-case)
The operation was canceled.
Ubuntu / build and test (ubuntu-26.04-arm)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Ubuntu / build and test (ubuntu-26.04-arm)
The operation was canceled.
Sanitizers / TSan (free-threading)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Sanitizers / TSan (free-threading)
The operation was canceled.
Emscripten / build and test
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Emscripten / build and test
The operation was canceled.
Windows / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Windows / Build and test (arm64, switch-case)
The operation was canceled.
Address sanitizer (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Address sanitizer (ubuntu-26.04)
The operation was canceled.
Hypothesis tests on Ubuntu
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Hypothesis tests on Ubuntu
The operation was canceled.
Lazy imports enabled / Run Tests with lazy_imports=all
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Ubuntu (free-threading) / build and test (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Lazy imports enabled / Run Tests with lazy_imports=all
The operation was canceled.
Ubuntu (free-threading) / build and test (ubuntu-26.04)
The operation was canceled.
Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
The operation was canceled.
Sanitizers / TSan
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Ubuntu / build and test (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Sanitizers / TSan
The operation was canceled.
Ubuntu / build and test (ubuntu-26.04)
The operation was canceled.
Sanitizers / UBSan
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Sanitizers / UBSan
The operation was canceled.
macOS / build and test (macos-26)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
macOS / build and test (macos-26)
The operation was canceled.
macOS / build and test (macos-26-intel)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
macOS / build and test (macos-26-intel)
The operation was canceled.
macOS (free-threading) / build and test (macos-26)
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
macOS (free-threading) / build and test (macos-26)
The operation was canceled.
iOS
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
iOS
The operation was canceled.
All required checks pass
Process completed with exit code 1.
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
Tests
Canceling since a higher priority waiting request for Tests-CaQtiml-intersection-update-concurrency exists
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]
Address sanitizer (ubuntu-26.04): 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!
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"
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"
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"
macOS / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
macOS (free-threading) / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
iOS
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
UBSan-logs-default
363 Bytes
sha256:4770ba0ddc6c93ffacf057546fac870dbf2a62cce882a0aaca4254c792469bcb
html-ids-head.json.gz
130 KB
sha256:170464ec0b5f1df0f8729110e88dde1cbcd8dabc618b6ddadb027551f500d421