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gh-42400: Fix buffer overflow in _Py_wrealpath for long paths #173476

gh-42400: Fix buffer overflow in _Py_wrealpath for long paths

gh-42400: Fix buffer overflow in _Py_wrealpath for long paths #173476

Triggered via pull request November 13, 2025 19:41
Status Failure
Total duration 32m 16s
Artifacts 1

build.yml

on: pull_request
Change detection  /  Create context from changed files
11s
Change detection / Create context from changed files
Matrix: build-android
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests with AWS-LC
Matrix: Ubuntu SSL tests with OpenSSL
Matrix: build-ubuntu
Matrix: build-windows-msi
Waiting for pending jobs
Matrix: build-windows
Matrix: CIFuzz
Docs  /  Docs
1m 39s
Docs / Docs
Docs  /  Doctest
5m 21s
Docs / Doctest
Docs  /  Check EPUB
1m 55s
Docs / Check EPUB
Check if Autoconf files are up to date
30s
Check if Autoconf files are up to date
Check if generated files are up to date
5m 28s
Check if generated files are up to date
iOS
6m 8s
iOS
WASI  /  build and test
4m 29s
WASI / build and test
Hypothesis tests on Ubuntu
8m 32s
Hypothesis tests on Ubuntu
Cross build Linux
4m 12s
Cross build Linux
All required checks pass
2s
All required checks pass
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10 errors and 16 warnings
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
WASI / build and test
Process completed with exit code 2.
iOS
Process completed with exit code 1.
macOS / build and test (macos-14)
Process completed with exit code 2.
macOS (free-threading) / build and test (macos-14)
Process completed with exit code 2.
macOS / build and test (macos-15-intel)
Process completed with exit code 2.
Sanitizers / UBSan
Process completed with exit code 2.
Android (x86_64)
Process completed with exit code 1.
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-14)
Already linked: /opt/homebrew/Cellar/tcl-tk/9.0.2
macOS / build and test (macos-14)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-14)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-14)
xz 5.8.1 is already installed and up-to-date. To reinstall 5.8.1, run: brew reinstall xz
macOS / build and test (macos-14)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf
macOS (free-threading) / build and test (macos-14)
Already linked: /opt/homebrew/Cellar/tcl-tk/9.0.2
macOS (free-threading) / build and test (macos-14)
`$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 5.8.1 is already installed and up-to-date. To reinstall 5.8.1, 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
macOS / build and test (macos-15-intel)
Already linked: /usr/local/Cellar/tcl-tk/9.0.2
macOS / build and test (macos-15-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-15-intel)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-15-intel)
xz 5.8.1 is already installed and up-to-date. To reinstall 5.8.1, run: brew reinstall xz
macOS / build and test (macos-15-intel)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default Expired
17.6 KB
sha256:932dd0fd74190c5cf567513f978c3313ffe8903438feb9032bff6ddeadc48e7f