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[3.8] bpo-42425: Fix possible leak in initialization of errmap for OSError (GH-23446). (GH-24025) 

(cherry picked from commit ed1007c0d7)
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Serhiy Storchaka 2021-01-01 19:40:11 +02:00 committed by GitHub
parent e3a9adba32
commit 1a544e1dcf
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1 changed files with 3 additions and 1 deletions
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4
Objects/exceptions.c
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@ -2518,8 +2518,10 @@ _PyExc_Init(void)
do { \ do { \
PyObject *_code = PyLong_FromLong(CODE); \ PyObject *_code = PyLong_FromLong(CODE); \
assert(_PyObject_RealIsSubclass(PyExc_ ## TYPE, PyExc_OSError)); \ assert(_PyObject_RealIsSubclass(PyExc_ ## TYPE, PyExc_OSError)); \
if (!_code || PyDict_SetItem(errnomap, _code, PyExc_ ## TYPE)) \ if (!_code || PyDict_SetItem(errnomap, _code, PyExc_ ## TYPE)) { \
Py_XDECREF(_code); \
return _PyStatus_ERR("errmap insertion problem."); \ return _PyStatus_ERR("errmap insertion problem."); \
} \
Py_DECREF(_code); \ Py_DECREF(_code); \
} while (0) } while (0)