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[3.12] gh-86493: Fix possible leaks in some modules initialization (GH-106768) (GH-106855)

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Fix _ssl, _stat, _testinternalcapi, _threadmodule, cmath, math, posix, time.
(cherry picked from commit 3e65baee72)
This commit is contained in:
Serhiy Storchaka 2023-07-18 15:14:10 +03:00 • committed by GitHub
parent b79f3b36c3
commit a423ddbdea
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 46 additions and 62 deletions
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29
Python/modsupport.c
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@ -649,13 +649,16 @@ PyModule_AddObjectRef(PyObject *mod, const char *name, PyObject *value)
PyModule_GetName(mod));
return -1;
}
if (PyDict_SetItemString(dict, name, value)) {
return -1;
}
return 0;
return PyDict_SetItemString(dict, name, value);
}
int
_PyModule_Add(PyObject *mod, const char *name, PyObject *value)
{
int res = PyModule_AddObjectRef(mod, name, value);
Py_XDECREF(value);
return res;
}
int
PyModule_AddObject(PyObject *mod, const char *name, PyObject *value)
@ -670,25 +673,13 @@ PyModule_AddObject(PyObject *mod, const char *name, PyObject *value)
int
PyModule_AddIntConstant(PyObject *m, const char *name, long value)
{
PyObject *obj = PyLong_FromLong(value);
if (!obj) {
return -1;
}
int res = PyModule_AddObjectRef(m, name, obj);
Py_DECREF(obj);
return res;
return _PyModule_Add(m, name, PyLong_FromLong(value));
}
int
PyModule_AddStringConstant(PyObject *m, const char *name, const char *value)
{
PyObject *obj = PyUnicode_FromString(value);
if (!obj) {
return -1;
}
int res = PyModule_AddObjectRef(m, name, obj);
Py_DECREF(obj);
return res;
return _PyModule_Add(m, name, PyUnicode_FromString(value));
}
int