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bpo-1635741: Fix ref leak in _PyWarnings_Init() error path (GH-23151)

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Replace PyModule_AddObject() with PyModule_AddObjectRef() in the
_warnings module to fix a reference leak on error.

Use also PyModule_AddObjectRef() in importdl.c.
This commit is contained in:
Victor Stinner 2020-11-04 17:33:06 +01:00 • committed by GitHub
parent 18ce7f1d0a
commit 58ca33b467
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2 changed files with 5 additions and 11 deletions
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5
Python/importdl.c
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@ -220,10 +220,9 @@ _PyImport_LoadDynamicModuleWithSpec(PyObject *spec, FILE *fp)
def->m_base.m_init = p0;
/* Remember the filename as the __file__ attribute */
if (PyModule_AddObject(m, "__file__", path) < 0)
if (PyModule_AddObjectRef(m, "__file__", path) < 0) {
PyErr_Clear(); /* Not important enough to report */
else
Py_INCREF(path);
}
PyObject *modules = PyImport_GetModuleDict();
if (_PyImport_FixupExtensionObject(m, name_unicode, path, modules) < 0)