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gh-111178: fix UBSan failures in Objects/typeobject.c #129799

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Merged
merged 7 commits into from
Feb 25, 2025
Merged

gh-111178: fix UBSan failures in Objects/typeobject.c #129799

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cb45420
fix UBSan failures for `PyTypeObject`
picnixz Feb 6, 2025
8caec09
use a macro and remove redundant casts for `superobject` casts
picnixz Feb 6, 2025
d78434e
Merge remote-tracking branch 'upstream/main' into fix/ubsan/typeobjec…
picnixz Feb 7, 2025
3a661a3
address Victor's review
picnixz Feb 22, 2025
70dacc6
Merge branch 'main' into fix/ubsan/typeobject-111178
picnixz Feb 22, 2025
73ef441
reverting suggestion
picnixz Feb 22, 2025
3e710c3
Merge branch 'main' into fix/ubsan/typeobject-111178
picnixz Feb 25, 2025
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8 changes: 4 additions & 4 deletions Objects/typeobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1331,7 +1331,7 @@ _PyType_Name(PyTypeObject *type)
return s;
}

static inline PyObject *
static PyObject *
type_name(PyObject *tp, void *Py_UNUSED(closure))
{
PyTypeObject *type = PyTypeObject_CAST(tp);
Expand All @@ -1344,7 +1344,7 @@ type_name(PyObject *tp, void *Py_UNUSED(closure))
}
}

static inline PyObject *
static PyObject *
type_qualname(PyObject *tp, void *Py_UNUSED(closure))
{
PyTypeObject *type = PyTypeObject_CAST(tp);
Expand Down Expand Up @@ -1466,7 +1466,7 @@ _PyType_GetFullyQualifiedName(PyTypeObject *type, char sep)
return PyUnicode_FromString(type->tp_name);
}

PyObject *qualname = type_qualname((PyObject *)type, NULL);
PyObject *qualname = Py_NewRef(((PyHeapTypeObject *)type)->ht_qualname);
if (qualname == NULL) {
return NULL;
}
Expand Down Expand Up @@ -1498,7 +1498,7 @@ PyType_GetFullyQualifiedName(PyTypeObject *type)
return _PyType_GetFullyQualifiedName(type, '.');
}

static inline PyObject *
static PyObject *
type_abstractmethods(PyObject *tp, void *Py_UNUSED(closure))
{
PyTypeObject *type = PyTypeObject_CAST(tp);
Expand Down
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