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gh-151763: Fix crash in PyList_New() on allocation failure under low memory #216294

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gh-151763: Fix crash in PyList_New() on allocation failure under low memory

gh-151763: Fix crash in PyList_New() on allocation failure under low memory #216294

Triggered via pull request October 24, 2026 08:25
@Abhi210Abhi210
synchronize #154019
Abhi210:gh-152125
Status Failure
Total duration 31m 13s
Artifacts 4

build.yml

on: pull_request
Change detection  /  Create context from changed files
21s
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
Docs  /  Doctest
7m 11s
Docs / Doctest
Docs  /  Check EPUB
2m 35s
Docs / Check EPUB
Check if Autoconf files are up to date
32s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 11s
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 18s
Ubuntu (installed) / build, install and test
Emscripten  /  build and test
13m 55s
Emscripten / build and test
WASI  /  build and test
4m 37s
WASI / build and test
Hypothesis tests on Ubuntu
10m 42s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
10m 11s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
4m 5s
Cross build Linux
Docs  /  Docs
2m 26s
Docs / Docs
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
1m 46s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
5s
All required checks pass
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Annotations

5 errors, 4 warnings, and 14 notices
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
Sanitizers / ASan
Process completed with exit code 2.
test_sampling_with_collapsed_export (test.test_profiling.test_sampling_profiler.test_integration.TestSampleProfilerIntegration.test_sampling_with_collapsed_export): Lib/test/test_profiling/test_sampling_profiler/test_integration.py#L512
AssertionError: ':' not found in '<unreadable frame>'
All required checks pass
Process completed with exit code 1.
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!
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"
Docs / Docs
"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"
Docs / Check EPUB
"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"
Docs / Check for removed HTML IDs / Check for removed HTML IDs
"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 (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"
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
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
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
2.49 KB
sha256:ca4ae127c1c63bd3291dd90c9fa0ab05c754e0ed7b53695ad88453bd9fe87102
MSan-logs-default
209 Bytes
sha256:715ed264e3d0a8867cc00808a0430199eed44508c1d5a9de2a7296199a078df0
UBSan-logs-default
1.5 KB
sha256:57cff7474d7ce3d64269304a11f9c390d19c3cbb7493806bd653c821891ebcb8
html-ids-head.json.gz
130 KB
sha256:fa18b5d6e5e5fbb52e542f29ff5c2ec96b15d65c199106f7d8dc5af8bafddcc8