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gh-151633: avoid use-after-free in Counter.update #200755

gh-151633: avoid use-after-free in Counter.update

gh-151633: avoid use-after-free in Counter.update #200755

Triggered via pull request July 9, 2026 14:13
Status Cancelled
Total duration 2m 57s
Artifacts 1

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-msi
Waiting for pending jobs
Matrix: build-windows
Matrix: cifuzz
Docs  /  Doctest
1m 17s
Docs / Doctest
Docs  /  Check EPUB
1m 16s
Docs / Check EPUB
Check if Autoconf files are up to date
22s
Check if Autoconf files are up to date
Check if generated files are up to date
1m 6s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
9s
C API Docs / Check if all C APIs are documented
iOS
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iOS
Emscripten  /  build and test
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Emscripten / build and test
WASI  /  build and test
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WASI / build and test
Hypothesis tests on Ubuntu
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Hypothesis tests on Ubuntu
Sanitizers  /  TSan (free-threading)
1m 17s
Sanitizers / TSan (free-threading)
Cross build Linux
1m 17s
Cross build Linux
Matrix: build-android
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106 errors and 7 warnings
CIFuzz / cpython3 (address)
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CIFuzz / cpython3 (address)
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Address sanitizer (ubuntu-26.04)
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Address sanitizer (ubuntu-26.04)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 1.1.1w)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 1.1.1w)
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CIFuzz / cpython3 (memory)
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Check if generated files are up to date
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CIFuzz / cpython3 (undefined)
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Ubuntu (free-threading) / build and test (ubuntu-26.04)
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Ubuntu (free-threading) / build and test (ubuntu-26.04)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 3.0.21)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 3.0.21)
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Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
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Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 3.5.7)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 3.5.7)
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Docs / Check EPUB
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Ubuntu / build and test (ubuntu-26.04-arm)
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Ubuntu / build and test (ubuntu-26.04-arm)
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Hypothesis tests on Ubuntu
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Hypothesis tests on Ubuntu
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iOS
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WASI / build and test
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WASI / build and test
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Ubuntu SSL tests (ubuntu-26.04, openssl, 3.4.6)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 3.4.6)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 3.6.3)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 3.6.3)
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Cross build Linux
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Cross build Linux
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Windows (free-threading) / Build and test (x64, switch-case)
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Windows (free-threading) / Build and test (x64, switch-case)
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Sanitizers / TSan (free-threading)
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Docs / Doctest
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Docs / Doctest
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Windows / Build and test (x64, switch-case)
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Android (x86_64)
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Android (x86_64)
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Android (aarch64)
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Android (aarch64)
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Docs / Docs
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Docs / Docs
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Windows / Build and test (x64, tail-call)
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macOS (free-threading) / build and test (macos-26)
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macOS (free-threading) / build and test (macos-26)
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macOS / build and test (macos-26-intel)
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macOS / build and test (macos-26-intel)
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Sanitizers / TSan
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Sanitizers / TSan
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Ubuntu SSL tests (ubuntu-26.04, aws-lc, 5.0.0)
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Ubuntu SSL tests (ubuntu-26.04, aws-lc, 5.0.0)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 4.0.1)
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Ubuntu SSL tests (ubuntu-26.04, openssl, 4.0.1)
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Emscripten / build and test
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Sanitizers / UBSan
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macOS / build and test (macos-26)
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macOS / build and test (macos-26)
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Windows / Build and test (Win32, switch-case)
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Windows / Build and test (Win32, switch-case)
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Windows (free-threading) / Build and test (x64, tail-call)
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Windows (free-threading) / Build and test (arm64, switch-case)
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Windows (free-threading) / Build and test (arm64, switch-case)
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Windows / Build and test (arm64, switch-case)
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Ubuntu / build and test (ubuntu-26.04)
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Ubuntu / build and test (ubuntu-26.04)
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Ubuntu (bolt) / build and test (ubuntu-26.04)
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Ubuntu (bolt) / build and test (ubuntu-26.04)
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Tests
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Tests
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Tests
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Tests
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Tests
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Tests
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Tests
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Tests
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Tests
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Tests
Canceling since a higher priority waiting request for Tests-KowalskiThomas-kowalski/fix-avoid-use-after-free-in-counter-update exists
Tests
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Tests
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Tests
Canceling since a higher priority waiting request for Tests-KowalskiThomas-kowalski/fix-avoid-use-after-free-in-counter-update exists
Tests
Canceling since a higher priority waiting request for Tests-KowalskiThomas-kowalski/fix-avoid-use-after-free-in-counter-update exists
Tests
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Tests
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Tests
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Tests
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Tests
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Tests
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Tests
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Tests
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Tests
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All required checks pass
Process completed with exit code 1.
Tests
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Tests
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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)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26-intel)
`$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)
The following taps are not trusted: aws/tap Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required. Untap them with: brew untap aws/tap Trust specific formulae, casks and commands with: brew trust --formula <user>/<tap>/<formula> brew trust --cask <user>/<tap>/<cask> brew trust --command <user>/<tap>/<command> Whole-tap trust is broader and includes all current and future formulae, casks and commands from the listed taps. Trust whole taps with: brew trust aws/tap To disable trust checks: export HOMEBREW_NO_REQUIRE_TAP_TRUST=1 This is not recommended and will be removed in a later release. For more information, see: https://docs.brew.sh/Tap-Trust
macOS / build and test (macos-26-intel)
The following taps are not trusted: aws/tap Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required. Untap them with: brew untap aws/tap Trust specific formulae, casks and commands with: brew trust --formula <user>/<tap>/<formula> brew trust --cask <user>/<tap>/<cask> brew trust --command <user>/<tap>/<command> Whole-tap trust is broader and includes all current and future formulae, casks and commands from the listed taps. Trust whole taps with: brew trust aws/tap To disable trust checks: export HOMEBREW_NO_REQUIRE_TAP_TRUST=1 This is not recommended and will be removed in a later release. For more information, see: https://docs.brew.sh/Tap-Trust
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)
The following taps are not trusted: aws/tap Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required. Untap them with: brew untap aws/tap Trust specific formulae, casks and commands with: brew trust --formula <user>/<tap>/<formula> brew trust --cask <user>/<tap>/<cask> brew trust --command <user>/<tap>/<command> Whole-tap trust is broader and includes all current and future formulae, casks and commands from the listed taps. Trust whole taps with: brew trust aws/tap To disable trust checks: export HOMEBREW_NO_REQUIRE_TAP_TRUST=1 This is not recommended and will be removed in a later release. For more information, see: https://docs.brew.sh/Tap-Trust

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
364 Bytes
sha256:19fc55fb1b70959bfb5e65ed9a338628f11d36a8eddab4b644cc7a11ff5b0bd2