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[3.15] gh-151295: Fix use-after-free in bytes.join()/bytearray.join() via re-entrant __buffer__ (GH-151296) #196076

[3.15] gh-151295: Fix use-after-free in bytes.join()/bytearray.join() via re-entrant __buffer__ (GH-151296)

[3.15] gh-151295: Fix use-after-free in bytes.join()/bytearray.join() via re-entrant __buffer__ (GH-151296) #196076

Triggered via pull request June 11, 2026 07:51
Status Success
Total duration 28m 51s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
13s
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
Docs  /  Doctest
7m 28s
Docs / Doctest
Docs  /  Check EPUB
2m 44s
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
4m 22s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
10s
C API Docs / Check if all C APIs are documented
iOS
18m 53s
iOS
Emscripten  /  build and test
18m 43s
Emscripten / build and test
WASI  /  build and test
5m 28s
WASI / build and test
Hypothesis tests on Ubuntu
9m 54s
Hypothesis tests on Ubuntu
Cross build Linux
4m 11s
Cross build Linux
Check if the ABI has changed
2m 6s
Check if the ABI has changed
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 12s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
3s
All required checks pass
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2 errors and 4 warnings
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
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`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!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`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!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-15-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`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!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
1.54 KB
sha256:a9dc54353005fafc0a17c4195424ac632d5bf4779603dc81d5890cf3b7e0e70c
html-ids-head.json.gz
120 KB
sha256:4c5c23c9618c3f531ed96bf9ca3808d34686ed46f9fd64f8d711252c08c54606