gh-111178: fix UBSan failures in `Modules/_randommodule.c` by picnixz · Pull Request #129791 · python/cpython

Expand Up @@ -117,6 +117,7 @@ typedef struct { uint32_t state[N]; } RandomObject;
#define RandomObject_CAST(op) ((RandomObject *)(op))
#include "clinic/_randommodule.c.h"
Expand Down Expand Up @@ -551,7 +552,7 @@ _random_Random_getrandbits_impl(RandomObject *self, int k) }
static int random_init(RandomObject *self, PyObject *args, PyObject *kwds) random_init(PyObject *self, PyObject *args, PyObject *kwds) { PyObject *arg = NULL; _randomstate *state = _randomstate_type(Py_TYPE(self)); Expand All @@ -570,7 +571,7 @@ random_init(RandomObject *self, PyObject *args, PyObject *kwds) if (PyTuple_GET_SIZE(args) == 1) arg = PyTuple_GET_ITEM(args, 0);
return random_seed(self, arg); return random_seed(RandomObject_CAST(self), arg); }

Expand Down Expand Up @@ -665,7 +666,7 @@ _random_clear(PyObject *module) static void _random_free(void *module) { _random_clear((PyObject *)module); (void)_random_clear((PyObject *)module); }
static struct PyModuleDef _randommodule = { Expand Down