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[3.14] gh-142557: fix UAF in bytearray.__mod__ when object is mutated while formatting %-style arguments (GH-143213) #178286

[3.14] gh-142557: fix UAF in bytearray.__mod__ when object is mutated while formatting %-style arguments (GH-143213)

[3.14] gh-142557: fix UAF in bytearray.__mod__ when object is mutated while formatting %-style arguments (GH-143213) #178286

Triggered via pull request December 27, 2025 14:57
Status Success
Total duration 25m 43s
Artifacts 1

build.yml

on: pull_request
Change detection  /  Create context from changed files
10s
Change detection / Create context from changed files
Matrix: build-android
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
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
4m 52s
Docs / Doctest
Docs  /  Check EPUB
1m 50s
Docs / Check EPUB
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
4m 11s
Check if generated files are up to date
iOS
17m 18s
iOS
WASI  /  build and test
7m 4s
WASI / build and test
Hypothesis tests on Ubuntu
7m 33s
Hypothesis tests on Ubuntu
Cross build Linux
4m 1s
Cross build Linux
Check if the ABI has changed
1m 35s
Check if the ABI has changed
All required checks pass
4s
All required checks pass
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Annotations

2 errors and 16 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-14)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-14)
tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8
macOS / build and test (macos-14)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-14)
xz 5.8.1 is already installed and up-to-date. To reinstall 5.8.1, run: brew reinstall xz
macOS / build and test (macos-14)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf
macOS (free-threading) / build and test (macos-14)
`$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)
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-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)
`$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 5.8.1 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
16.8 KB
sha256:66b82b7379a08fbe511f98d66f6fc7197f805803001495e6ee3f96f3848178f2