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[3.12] gh-77377: Ensure multiprocessing SemLock is valid for spawn-based Process before serializing it (GH-107275)#108377
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…ed Process before serializing it (pythonGH-107275)Ensure multiprocessing SemLock is valid for spawn Process before serializing it.Creating a multiprocessing SemLock with a fork context, and then trying to pass it to a spawn-created Process, would segfault if not detected early.---------(cherry picked from commit1700d34)Co-authored-by: albanD <desmaison.alban@gmail.com>Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>Co-authored-by: Antoine Pitrou <pitrou@free.fr>
pitrou approved these changesAug 23, 2023
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Ensure multiprocessing SemLock is valid for spawn Process before serializing it.
Creating a multiprocessing SemLock with a fork context, and then trying to pass it to a spawn-created Process, would segfault if not detected early.
(cherry picked from commit1700d34)
Co-authored-by: albanDdesmaison.alban@gmail.com
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Antoine Pitroupitrou@free.fr