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gh-143008: Fix Null pointer dereferences in TextIOWrapper underlying stream access #195231

gh-143008: Fix Null pointer dereferences in TextIOWrapper underlying stream access

gh-143008: Fix Null pointer dereferences in TextIOWrapper underlying stream access #195231

Triggered via pull request June 5, 2026 02:48
Status Cancelled
Total duration 9m 56s
Artifacts 1

build.yml

on: pull_request
Change detection  /  Create context from changed files
18s
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
7m 28s
Docs / Doctest
Docs  /  Check EPUB
2m 21s
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 8s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
11s
C API Docs / Check if all C APIs are documented
iOS
9m 27s
iOS
Emscripten  /  build and test
9m 15s
Emscripten / build and test
WASI  /  build and test
5m 37s
WASI / build and test
Hypothesis tests on Ubuntu
9m 15s
Hypothesis tests on Ubuntu
Cross build Linux
4m 5s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
2s
All required checks pass
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80 errors and 4 warnings
Docs / Docs
Process completed with exit code 255.
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
CIFuzz / cpython3 (address)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer 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-cmaloney-textio_nullbuffer exists
CIFuzz / cpython3 (undefined)
The operation was canceled.
CIFuzz / cpython3 (memory)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
CIFuzz / cpython3 (memory)
The operation was canceled.
macOS / build and test (macos-26)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
macOS / build and test (macos-26)
The operation was canceled.
Windows (free-threading) / Build and test (x64, tail-call)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Windows (free-threading) / Build and test (x64, tail-call)
The operation was canceled.
Windows / Build and test (Win32, switch-case)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer 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-cmaloney-textio_nullbuffer exists
Windows (free-threading) / Build and test (x64, switch-case)
The operation was canceled.
Windows / Build and test (x64, tail-call)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
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-cmaloney-textio_nullbuffer exists
Windows / Build and test (x64, switch-case)
The operation was canceled.
Windows / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Windows / Build and test (arm64, switch-case)
The operation was canceled.
Windows (free-threading) / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Windows (free-threading) / Build and test (arm64, switch-case)
The operation was canceled.
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)
The operation was canceled.
Hypothesis tests on Ubuntu
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Hypothesis tests on Ubuntu
The operation was canceled.
Emscripten / build and test
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Emscripten / build and test
The operation was canceled.
Ubuntu / build and test (ubuntu-24.04)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Ubuntu / build and test (ubuntu-24.04)
The operation was canceled.
Sanitizers / UBSan
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Sanitizers / UBSan
The operation was canceled.
Android (x86_64)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Android (x86_64)
The operation was canceled.
Ubuntu / build and test (ubuntu-24.04-arm)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Ubuntu / build and test (ubuntu-24.04-arm)
The operation was canceled.
Address sanitizer (ubuntu-24.04)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Address sanitizer (ubuntu-24.04)
The operation was canceled.
Ubuntu (free-threading) / build and test (ubuntu-24.04)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Ubuntu (free-threading) / build and test (ubuntu-24.04)
The operation was canceled.
Ubuntu (bolt) / build and test (ubuntu-24.04)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Ubuntu (bolt) / build and test (ubuntu-24.04)
The operation was canceled.
Sanitizers / TSan
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Sanitizers / TSan
The operation was canceled.
macOS (free-threading) / build and test (macos-26)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
macOS (free-threading) / build and test (macos-26)
The operation was canceled.
Sanitizers / TSan (free-threading)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Sanitizers / TSan (free-threading)
The operation was canceled.
macOS / build and test (macos-26-intel)
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
macOS / build and test (macos-26-intel)
The operation was canceled.
iOS
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer 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-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
Tests
Canceling since a higher priority waiting request for Tests-cmaloney-textio_nullbuffer exists
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS (free-threading) / build and test (macos-26)
`$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!

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
361 Bytes
sha256:27cfa6e514e99f9bcea6d653b4f2cc2cb1b50980a62912db27dd6d0095cb4f2e