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| author | Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com> | 2022-06-19 11:26:13 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-19 11:26:13 (GMT) |
| commit | beba1020a9d5b0350185b42fef6314cbe6c1d071 (patch) | |
| tree | e0d13be5d390a2ad4895ae2d88beb53f7768c84a /Objects | |
| parent | f21b0717299a4314b0435b3c5575981732db15be (diff) | |
| download | cpython-beba1020a9d5b0350185b42fef6314cbe6c1d071.zip cpython-beba1020a9d5b0350185b42fef6314cbe6c1d071.tar.gz cpython-beba1020a9d5b0350185b42fef6314cbe6c1d071.tar.bz2 | |
GH-93990: fix refcounting bug in `add_subclass` in `typeobject.c` (GH-93989) (GH-93999)
(cherry picked from commit 726448ebe15cd78e180c29c9858cb6c10a581524)
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/typeobject.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Objects/typeobject.c b/Objects/typeobject.c index 50f2742..65a9475 100644 --- a/Objects/typeobject.c +++ b/Objects/typeobject.c @@ -6400,8 +6400,11 @@ add_subclass(PyTypeObject *base, PyTypeObject *type) PyObject *dict = base->tp_subclasses; if (dict == NULL) { base->tp_subclasses = dict = PyDict_New(); - if (dict == NULL) + if (dict == NULL) { + Py_DECREF(key); + Py_DECREF(ref); return -1; + } } assert(PyDict_CheckExact(dict)); |