fix ref-counting bug when writing traceback of unraisable exceptions

72804793 · Stefan Behnel · 8ce5dbcb · 72804793
Commit 72804793 authored Jan 10, 2014 by Stefan Behnel
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Cython/Utility/Exceptions.c Cython/Utility/Exceptions.c +3 -0

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--- a/Cython/Utility/Exceptions.c
+++ b/Cython/Utility/Exceptions.c
@@ -430,6 +430,9 @@ static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
    PyObject *ctx;
    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
    if (full_traceback) {
+        Py_XINCREF(old_exc);
+        Py_XINCREF(old_val);
+        Py_XINCREF(old_tb);
        __Pyx_ErrRestore(old_exc, old_val, old_tb);
        PyErr_PrintEx(1);
    }