Tests

gh-158583: Fix uninitialized memory read in bytes.fromhex() #211902

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Triggered via pull request October 1, 2026 22:33

vstinner

opened #158584

vstinner:bytes_fromhex

Status Cancelled

Total duration 15m 15s

Artifacts 1

build.yml

on: pull_request

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

Check if Autoconf files are up to date

Check if generated files are up to date

C API Docs / Check if all C APIs are documented

Ubuntu (installed) / build, install and test

Emscripten / build and test

WASI / build and test

Hypothesis tests on Ubuntu

Lazy imports enabled / Run Tests with lazy_imports=all

Cross build Linux

Docs / Check EPUB

Matrix: build-android

Docs / ... / Check for removed HTML IDs

All required checks pass

Annotations

67 errors, 7 warnings, and 10 notices

WASI / build and test

Process completed with exit code 2.

Ubuntu (installed) / build, install and test

Process completed with exit code 2.

Hypothesis tests on Ubuntu

Process completed with exit code 2.

Ubuntu (bolt) / build and test (ubuntu-26.04)

Process completed with exit code 2.

Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)

Process completed with exit code 2.

Windows / Build and test (x64, tail-call)

Process completed with exit code 2.

Lazy imports enabled / Run Tests with lazy_imports=all

Process completed with exit code 123.

Ubuntu / build and test (ubuntu-26.04-arm)

Process completed with exit code 2.

macOS / build and test (macos-26)

Process completed with exit code 2.

Windows (free-threading) / Build and test (x64, tail-call)

Process completed with exit code 2.

Ubuntu / build and test (ubuntu-26.04)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Ubuntu / build and test (ubuntu-26.04)

Process completed with exit code 2.

macOS (free-threading) / build and test (macos-26)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

macOS (free-threading) / build and test (macos-26)

Process completed with exit code 2.

CIFuzz / cpython3 (memory)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

CIFuzz / cpython3 (memory)

Path does not exist: cifuzz-sarif/results.sarif

CIFuzz / cpython3 (memory)

The operation was canceled.

CIFuzz / cpython3 (address)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

CIFuzz / cpython3 (address)

Path does not exist: cifuzz-sarif/results.sarif

CIFuzz / cpython3 (address)

The operation was canceled.

CIFuzz / cpython3 (undefined)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

CIFuzz / cpython3 (undefined)

Path does not exist: cifuzz-sarif/results.sarif

CIFuzz / cpython3 (undefined)

The operation was canceled.

Windows / Build and test (Win32, switch-case)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Windows / Build and test (Win32, switch-case)

The operation was canceled.

Windows (free-threading) / Build and test (x64, switch-case)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Windows (free-threading) / Build and test (x64, switch-case)

The operation was canceled.

Windows (free-threading) / Build and test (arm64, switch-case)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Windows (free-threading) / Build and test (arm64, switch-case)

The operation was canceled.

Android (x86_64)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Android (x86_64)

The operation was canceled.

Address sanitizer (ubuntu-26.04)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Address sanitizer (ubuntu-26.04)

The operation was canceled.

Windows / Build and test (arm64, switch-case)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Windows / Build and test (arm64, switch-case)

The operation was canceled.

Sanitizers / TSan (free-threading)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Sanitizers / TSan (free-threading)

The operation was canceled.

Windows / Build and test (x64, switch-case)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Windows / Build and test (x64, switch-case)

The operation was canceled.

Ubuntu (free-threading) / build and test (ubuntu-26.04)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Ubuntu (free-threading) / build and test (ubuntu-26.04)

The operation was canceled.

Sanitizers / UBSan

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Sanitizers / UBSan

The operation was canceled.

Emscripten / build and test

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Emscripten / build and test

The operation was canceled.

macOS / build and test (macos-26-intel)

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

macOS / build and test (macos-26-intel)

The operation was canceled.

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

The operation was canceled.

All required checks pass

Process completed with exit code 1.

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex exists

Canceling since a higher priority waiting request for Tests-vstinner-bytes_fromhex 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]

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 (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"

Android (aarch64)

Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.

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.

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 (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"

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	`sha256:30d7a427e398adf2abd728d03943ffbe42de0e50c8f9fbecad054dfd5fa897de`