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gh-143544: Fix possible use-after-free in the JSON decoder when JSONDecodeError disappears during raising it #179423

gh-143544: Fix possible use-after-free in the JSON decoder when JSONDecodeError disappears during raising it

gh-143544: Fix possible use-after-free in the JSON decoder when JSONDecodeError disappears during raising it #179423

Triggered via pull request January 9, 2026 16:31
Status Cancelled
Total duration 16m 43s
Artifacts 1

build.yml

on: pull_request
Change detection  /  Create context from changed files
12s
Change detection / Create context from changed files
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
Check if Autoconf files are up to date
25s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 30s
Check if generated files are up to date
iOS
16m 18s
iOS
WASI  /  build and test
5m 2s
WASI / build and test
Hypothesis tests on Ubuntu
8m 55s
Hypothesis tests on Ubuntu
Cross build Linux
4m 38s
Cross build Linux
Docs  /  Check EPUB
Docs / Check EPUB
Docs  /  Docs
Docs / Docs
Docs  /  Doctest
Docs / Doctest
Matrix: build-android
All required checks pass
4s
All required checks pass
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42 errors and 16 warnings
WASI / build and test
Process completed with exit code 2.
macOS / build and test (macos-14)
Process completed with exit code 2.
Ubuntu / build and test (ubuntu-24.04-arm)
Process completed with exit code 2.
Hypothesis tests on Ubuntu
Process completed with exit code 2.
Ubuntu (bolt) / build and test (ubuntu-24.04)
Process completed with exit code 2.
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)
Process completed with exit code 2.
Ubuntu / build and test (ubuntu-24.04)
Process completed with exit code 2.
Address sanitizer (ubuntu-24.04)
Process completed with exit code 2.
macOS / build and test (macos-15-intel)
Process completed with exit code 2.
Windows (free-threading) / Build and test (arm64)
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Windows (free-threading) / Build and test (arm64)
The operation was canceled.
Windows / Build and test (x64)
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Windows / Build and test (x64)
The operation was canceled.
Windows / Build and test (arm64)
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Windows / Build and test (arm64)
The operation was canceled.
Android (x86_64)
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Android (x86_64)
The operation was canceled.
Ubuntu (free-threading) / build and test (ubuntu-24.04)
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Ubuntu (free-threading) / build and test (ubuntu-24.04)
The operation was canceled.
Windows / Build and test (Win32)
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Windows / Build and test (Win32)
The operation was canceled.
Windows (free-threading) / Build and test (x64)
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Windows (free-threading) / Build and test (x64)
The operation was canceled.
Sanitizers / TSan (free-threading)
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Sanitizers / TSan (free-threading)
The operation was canceled.
Sanitizers / UBSan
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Sanitizers / UBSan
The operation was canceled.
macOS (free-threading) / build and test (macos-14)
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
macOS (free-threading) / build and test (macos-14)
The operation was canceled.
iOS
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
iOS
The operation was canceled.
All required checks pass
Process completed with exit code 1.
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
Tests
Canceling since a higher priority waiting request for Tests-VanshAgarwal24036-gh-143547-unraisablehook-uaf exists
macOS / build and test (macos-14)
Already linked: /opt/homebrew/Cellar/tcl-tk/9.0.3
macOS / build and test (macos-14)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-14)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-14)
xz 5.8.2 is already installed and up-to-date. To reinstall 5.8.2, run: brew reinstall xz
macOS / build and test (macos-14)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS / build and test (macos-15-intel)
Already linked: /usr/local/Cellar/tcl-tk/9.0.3
macOS / build and test (macos-15-intel)
`$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 5.8.2 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
macOS (free-threading) / build and test (macos-14)
Already linked: /opt/homebrew/Cellar/tcl-tk/9.0.3
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 5.8.2 is already installed and up-to-date. To reinstall 5.8.2, 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

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
17.8 KB
sha256:a922dd588c4ad70d0adff99968c8c0763e08dbad3219e5c4825b403220190c8e