New submission from Patrick Miller:
There is a reference counting error in PyFloat_AsDouble.
When the function calls the nb_float conversion, if the method does not return
an actual float object, an exception is set, but the object is not collected.
--- Objects/floatobject.c 2014-10-08 04:18:15.000000000 -0400
+++ Objects/floatobject.c.patched 2015-03-05 09:17:15.171455648 -0500
@@ -214,6 +214,7 @@
if (fo == NULL)
return -1;
if (!PyFloat_Check(fo)) {
+ Py_DECREF(fo);
PyErr_SetString(PyExc_TypeError,
"nb_float should return float object");
return -1;
----------
components: Interpreter Core
files: floatobject.c-patch
messages: 237266
nosy: Patrick Miller
priority: normal
severity: normal
status: open
title: Potential leak in PyFloat_AsDouble. Refcount error.
type: behavior
versions: Python 3.4
Added file: http://bugs.python.org/file38342/floatobject.c-patch
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<http://bugs.python.org/issue23590>
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