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gh-151046: Fix use-after-free in _Unpickler_ReadIntoFromFile #195513

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gh-151046: Fix use-after-free in _Unpickler_ReadIntoFromFile

gh-151046: Fix use-after-free in _Unpickler_ReadIntoFromFile #195513

Triggered via pull request June 8, 2026 00:50
@tonghuaroottonghuaroot
synchronize #151048
tonghuaroot:fix-unpickler-readinto-uaf
Status Failure
Total duration 26m 58s
Artifacts 2

build.yml

on: pull_request
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
Docs  /  Doctest
7m 20s
Docs / Doctest
Docs  /  Check EPUB
2m 28s
Docs / Check EPUB
Check if Autoconf files are up to date
23s
Check if Autoconf files are up to date
Check if generated files are up to date
3m 56s
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
17m 35s
iOS
Emscripten  /  build and test
18m 30s
Emscripten / build and test
WASI  /  build and test
6m 6s
WASI / build and test
Hypothesis tests on Ubuntu
9m 34s
Hypothesis tests on Ubuntu
Cross build Linux
4m 6s
Cross build Linux
Docs  /  Docs
2m 14s
Docs / Docs
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 1s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
2s
All required checks pass
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4 errors and 4 warnings
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
Windows (free-threading) / Build and test (x64, tail-call)
Process completed with exit code 2.
All required checks pass
Process completed with exit code 1.
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26-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
sha256:8e9718df48ac323313d3a626ceaf8ae97b3fc73271e4ac7a4a72b7fde4f2dc35
html-ids-head.json.gz
120 KB
sha256:d219401678e2c04b0e4958a94209e6a51de9437e97089fd56ba9308fc5cfbfac