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Fix undefined left shifts in stack_swap() (Objects/frameobject.c) #218193

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Fix undefined left shifts in stack_swap() (Objects/frameobject.c)

Fix undefined left shifts in stack_swap() (Objects/frameobject.c) #218193

Triggered via pull request November 5, 2026 13:01
@PavlNekrasovPavlNekrasov
opened #161422
PavlNekrasov:fix-frame-stack-swap-shift
Status Failure
Total duration 37m 2s
Artifacts 3

build.yml

on: pull_request
Change detection  /  Create context from changed files
12s
Change detection / Create context from changed files
Matrix: build-ios
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
27s
Check if Autoconf files are up to date
Check if generated files are up to date
5m 4s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
13s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 26s
Ubuntu (installed) / build, install and test
Emscripten  /  build and test
19m 35s
Emscripten / build and test
WASI  /  build and test
4m 49s
WASI / build and test
Hypothesis tests on Ubuntu
10m 32s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
7m 14s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
3m 47s
Cross build Linux
Docs  /  Check EPUB
Docs / Check EPUB
Docs  /  Doctest
Docs / Doctest
Docs  /  Docs
Docs / Docs
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
3s
All required checks pass
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Annotations

39 errors, 5 warnings, and 11 notices
WASI / build and test
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Lazy imports enabled / Run Tests with lazy_imports=all
Process completed with exit code 123.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
macOS / build and test (macos-26)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Hypothesis tests on Ubuntu
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Ubuntu / build and test (ubuntu-26.04)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Ubuntu / build and test (ubuntu-26.04-arm)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Windows / Build and test (x64, switch-case)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Ubuntu (bolt) / build and test (ubuntu-26.04)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Ubuntu (free-threading) / build and test (ubuntu-26.04)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
macOS (free-threading) / build and test (macos-26)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
macOS / build and test (macos-26-intel)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Windows / Build and test (arm64, switch-case)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Sanitizers / ASan
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Sanitizers / UBSan
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Windows / Build and test (Win32, switch-case)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Windows (free-threading) / Build and test (x64, switch-case)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Sanitizers / MSan
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
Windows (free-threading) / Build and test (arm64, switch-case)
Process completed with exit code 2.
test_frame: Lib/test/test_frame.py#L1
test_frame worker non-zero exit code
All required checks pass
Process completed with exit code 1.
Workflow execution policy warning (evaluate mode): .github/workflows/build.yml#L1
Event 'pull_request' is not allowed to trigger Actions workflows. Workflow file: '.github/workflows/build.yml'.
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!
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.
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"
iOS
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 (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"
iOS (free-threading)
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
ASan-logs-default
2.5 KB
sha256:8b1dc1bd3892dfc3d729cebce04805b07f58ded71b6469efe8f94f494a68e3a0
MSan-logs-default
209 Bytes
sha256:995982db6b4a376395ebb9455f95be19105692b9431d6dc8090288768d1bf5bc
UBSan-logs-default
1.17 KB
sha256:f36f574288efb7b192f381c5a0cc9f2aa77b21a5569d215113d9aacf6b794904