gh-155504: Set the interpreter before fallible thread state initialization (#155590)
kumaraditya303 <[email protected]>
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https://github.com/python/cpython/commit/94a75f74a13a11b4025c02612c47f61dec0a7398 commit: 94a75f74a13a11b4025c02612c47f61dec0a7398 branch: main author: Abdul Mohammad <[email protected]> committer: kumaraditya303 <[email protected]> date: 2026-08-16T08:42:24+05:30 summary: gh-155504: Set the interpreter before fallible thread state initialization (#155590) files: A Misc/NEWS.d/next/Core_and_Builtins/2026-08-11-13-50-35.gh-issue-155504.PsTqZm.rst M Python/pystate.c diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-08-11-13-50-35.gh-issue-155504.PsTqZm.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-08-11-13-50-35.gh-issue-155504.PsTqZm.rst new file mode 100644 index 000000000000000..e042bf3554e6f05 --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-08-11-13-50-35.gh-issue-155504.PsTqZm.rst @@ -0,0 +1,2 @@ +Fix a crash when thread state creation fails before the thread state is fully +initialized. diff --git a/Python/pystate.c b/Python/pystate.c index 646c157007d4ac1..6b0d6a7a372c926 100644 --- a/Python/pystate.c +++ b/Python/pystate.c @@ -1508,6 +1508,8 @@ alloc_threadstate(PyInterpreterState *interp) } reset_threadstate(tstate); } + // Set the interpreter before any later initialization can fail. + tstate->base.interp = interp; return tstate; } _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]