[ python-Bugs-1669182 ] PyErr_WriteUnraisable lacks exception type check

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Mon Feb 26 16:00:22 CET 2007


Bugs item #1669182, was opened at 2007-02-26 12:00
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Category: Python Interpreter Core
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Gabriel Becedillas (gbeced)
Assigned to: Nobody/Anonymous (nobody)
Summary: PyErr_WriteUnraisable lacks exception type check

Initial Comment:
I'd hit an access violation inside PyErr_WriteUnraisable when a non-exception instance was raised. The call to PyExceptionClass_Name with a non-exception instance is yielding an invalid pointer.
I'd hit the bug embedding Python 2.5 and raising a string instance via PyThreadState_SetAsyncExc but I could also reproduce the crash with this sample code:

class Foo:
    def __del__(self):
        raise "pum"

a = Foo()


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