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[3.14] gh-146613: Fix re-entrant use-after-free in `itertools._groupe… #188182

[3.14] gh-146613: Fix re-entrant use-after-free in `itertools._groupe…

[3.14] gh-146613: Fix re-entrant use-after-free in `itertools._groupe… #188182

Triggered via push April 6, 2026 15:23
Status Failure
Total duration 26m 25s
Artifacts 1

build.yml

on: push
Change detection  /  Create context from changed files
11s
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
Waiting for pending jobs
Check if Autoconf files are up to date
28s
Check if Autoconf files are up to date
Check if generated files are up to date
2m 30s
Check if generated files are up to date
iOS
18m 7s
iOS
Emscripten  /  build and test
19m 37s
Emscripten / build and test
WASI  /  build and test
7m 26s
WASI / build and test
Hypothesis tests on Ubuntu
7m 44s
Hypothesis tests on Ubuntu
Cross build Linux
3m 54s
Cross build Linux
Docs  /  Check EPUB
Docs / Check EPUB
Docs  /  Docs
Docs / Docs
Docs  /  Doctest
Docs / Doctest
Check if the ABI has changed
1m 30s
Check if the ABI has changed
Matrix: build-android
All required checks pass
4s
All required checks pass
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Annotations

2 errors and 23 warnings
Sanitizers / TSan
Process completed with exit code 2.
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)
openssl@3.0 was installed but not linked because openssl@3 and openssl@3 are already linked. To link this version, run: brew link openssl@3.0
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26)
tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8
macOS / build and test (macos-26)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-26)
xz 5.8.3 is already installed and up-to-date. To reinstall 5.8.3, run: brew reinstall xz
macOS / build and test (macos-26)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf
macOS (free-threading) / build and test (macos-26)
openssl@3.0 was installed but not linked because openssl@3 and openssl@3 are already linked. To link this version, run: brew link openssl@3.0
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-26)
tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8
macOS (free-threading) / build and test (macos-26)
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-26)
xz 5.8.3 is already installed and up-to-date. To reinstall 5.8.3, run: brew reinstall xz
macOS (free-threading) / build and test (macos-26)
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)
openssl@3.0 was installed but not linked because openssl@3 and openssl@3 are already linked. To link this version, run: brew link openssl@3.0
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)
tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8
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 5.8.2 is already installed and up-to-date. To reinstall 5.8.2, 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
Windows / Build and test (x64): Modules/unicodedata.c#L1478
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]
Windows (free-threading) / Build and test (x64): Modules/unicodedata.c#L1478
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]
Windows / Build and test (arm64): Modules/unicodedata.c#L1478
'function': conversion from 'size_t' to 'int', possible loss of data [C:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]
Windows (free-threading) / Build and test (arm64): Modules/unicodedata.c#L1478
'function': conversion from 'size_t' to 'int', possible loss of data [C:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
16.8 KB
sha256:519190bdd83daf85c634088a5056694bfb9fd50c72e7a2b69d336f4edcaaac54