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Issue #14432: Remove the thread state field from the frame structure. Fix a

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crash when a generator is created in a C thread that is destroyed while the
generator is still used. The issue was that a generator contains a frame, and
the frame kept a reference to the Python state of the destroyed C thread. The
crash occurs when a trace function is setup.
This commit is contained in:
Victor Stinner 2013-12-13 02:01:38 +01:00
parent 62ca10051b
commit fdeb6ec45a
8 changed files with 179 additions and 45 deletions
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Objects/frameobject.c
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@ -726,7 +726,6 @@ PyFrame_New(PyThreadState *tstate, PyCodeObject *code, PyObject *globals,
Py_INCREF(locals);
f->f_locals = locals;
}
f->f_tstate = tstate;
f->f_lasti = -1;
f->f_lineno = code->co_firstlineno;