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GeezerVison is showing github.com — gh-139759: Don't delete subinterpreters after `fork` by ZeroIntensity · Pull Request #160450 · python/cpython

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@ZeroIntensity

@ZeroIntensity ZeroIntensity commented Oct 23, 2026 •
edited by bedevere-app Bot
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  • Issue: Unclosed interpreter causes segfault after fork() in child process. #139759

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ZeroIntensity and others added 3 commits October 23, 2026 13:00
@ZeroIntensity
Reset subinterpreters after fork instead of deleting them.
2baafff
@ZeroIntensity
Remove bad assertions.
4aa86a0 
Legacy subinterpreters are allowed to call fork()
@ZeroIntensity @aurelwildfellner
pythongh-139759: Test forking with an unclosed subinterpreter
0bf7b2e 
Port the regression test from python#145545.
Wait for the child during cleanup to avoid leaving a zombie process.

Co-authored-by: Aurel Wildfellner <[email protected]>
@ZeroIntensity ZeroIntensity added the sprint label Oct 23, 2026
@ZeroIntensity
ZeroIntensity requested review from FFY00 and ericsnowcurrently as code owners October 23, 2026 17:26
@github-project-automation github-project-automation Bot added this to Sprint Oct 23, 2026
@bedevere-app bedevere-app Bot added the awaiting core review label Oct 23, 2026
@github-project-automation github-project-automation Bot moved this to Todo in Sprint Oct 23, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Oct 23, 2026
Unclosed interpreter causes segfault after fork() in child process. #139759
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@ericsnowcurrently ericsnowcurrently Awaiting requested review from ericsnowcurrently ericsnowcurrently is a code owner
@FFY00 FFY00 Awaiting requested review from FFY00 FFY00 is a code owner

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@ZeroIntensity
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