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gh-146196: Fix potential Undefined Behavior in _PyUnicodeWriter_WriteASCIIString #186322

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gh-146196: Fix potential Undefined Behavior in _PyUnicodeWriter_WriteASCIIString

gh-146196: Fix potential Undefined Behavior in _PyUnicodeWriter_WriteASCIIString #186322

Triggered via pull request March 20, 2026 14:44
@ashm-devashm-dev
synchronize #146201
ashm-dev:ub
Status Cancelled
Total duration 56s
Artifacts –

build.yml

on: pull_request
Change detection  /  Create context from changed files
13s
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  /  Docs
12s
Docs / Docs
Docs  /  Doctest
11s
Docs / Doctest
Docs  /  Check EPUB
12s
Docs / Check EPUB
Check if Autoconf files are up to date
12s
Check if Autoconf files are up to date
Check if generated files are up to date
25s
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
iOS
25s
iOS
WASI  /  build and test
14s
WASI / build and test
Hypothesis tests on Ubuntu
25s
Hypothesis tests on Ubuntu
Cross build Linux
25s
Cross build Linux
Matrix: build-android
All required checks pass
4s
All required checks pass
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101 errors and 11 warnings
CIFuzz / cpython3 (address)
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C API Docs / Check if all C APIs are documented
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Docs / Doctest
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Docs / Doctest
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Check if Autoconf files are up to date
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Check if Autoconf files are up to date
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Docs / Docs
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Docs / Docs
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Docs / Check EPUB
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Docs / Check EPUB
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CIFuzz / cpython3 (undefined)
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CIFuzz / cpython3 (undefined)
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WASI / build and test
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macOS / build and test (macos-15-intel)
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Windows / Build and test (Win32)
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Windows / Build and test (arm64)
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Windows / Build and test (arm64)
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Check if generated files are up to date
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Check if generated files are up to date
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.0.19)
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.0.19)
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.5.5)
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.5.5)
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Sanitizers / TSan
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Ubuntu SSL tests (ubuntu-24.04, aws-lc, 1.68.0)
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Ubuntu / build and test (ubuntu-24.04)
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Sanitizers / TSan
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Ubuntu / build and test (ubuntu-24.04)
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Ubuntu SSL tests (ubuntu-24.04, aws-lc, 1.68.0)
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Android (x86_64)
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Android (x86_64)
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Ubuntu (bolt) / build and test (ubuntu-24.04)
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Ubuntu (bolt) / build and test (ubuntu-24.04)
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.4.4)
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.4.4)
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Ubuntu / build and test (ubuntu-24.04-arm)
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Address sanitizer (ubuntu-24.04)
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Android (aarch64)
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Address sanitizer (ubuntu-24.04)
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Android (aarch64)
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Ubuntu / build and test (ubuntu-24.04-arm)
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Cross build Linux
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Cross build Linux
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Ubuntu SSL tests (ubuntu-24.04, openssl, 1.1.1w)
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Ubuntu SSL tests (ubuntu-24.04, openssl, 1.1.1w)
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.3.6)
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.3.6)
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Hypothesis tests on Ubuntu
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Hypothesis tests on Ubuntu
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Ubuntu (free-threading) / build and test (ubuntu-24.04)
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Ubuntu (free-threading) / build and test (ubuntu-24.04)
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iOS
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iOS
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.6.1)
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Ubuntu SSL tests (ubuntu-24.04, openssl, 3.6.1)
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Sanitizers / UBSan
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Sanitizers / UBSan
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macOS / build and test (macos-14)
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macOS / build and test (macos-14)
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Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)
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Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)
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Sanitizers / TSan (free-threading)
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Sanitizers / TSan (free-threading)
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CIFuzz / cpython3 (memory)
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CIFuzz / cpython3 (memory)
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macOS (free-threading) / build and test (macos-14)
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macOS (free-threading) / build and test (macos-14)
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All required checks pass
Process completed with exit code 1.
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
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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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Hypothesis tests on Ubuntu
No files were found with the provided path: /.hypothesis/examples/. No artifacts will be uploaded.
macOS / build and test (macos-14)
openssl@3.5 was installed but not linked because openssl@3 and openssl@3 are already linked. To link this version, run: brew link openssl@3.5
macOS / build and test (macos-14)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-14)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-14)
xz 5.8.2 is already installed and up-to-date. To reinstall 5.8.2, run: brew reinstall xz
macOS / build and test (macos-14)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf
macOS (free-threading) / build and test (macos-14)
openssl@3.5 was installed but not linked because openssl@3 and openssl@3 are already linked. To link this version, run: brew link openssl@3.5
macOS (free-threading) / build and test (macos-14)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-14)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS (free-threading) / build and test (macos-14)
xz 5.8.2 is already installed and up-to-date. To reinstall 5.8.2, run: brew reinstall xz
macOS (free-threading) / build and test (macos-14)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf