https://github.com/python/cpython/commit/29224295381d9c038339d25d98584cb146ba5f32
commit: 29224295381d9c038339d25d98584cb146ba5f32
branch: main
author: Bénédikt Tran <[email protected]>
committer: encukou <[email protected]>
date: 2025-02-21T14:59:04Z
summary:
gh-111178: fix UBSan failures in `Modules/_randommodule.c` (GH-129791)
Fix UBSan failures for `RandomObject`
Suppress unused return values
files:
M Modules/_randommodule.c
diff --git a/Modules/_randommodule.c b/Modules/_randommodule.c
index ad66df47349db0..d5bac2f5b78120 100644
--- a/Modules/_randommodule.c
+++ b/Modules/_randommodule.c
@@ -117,6 +117,7 @@ typedef struct {
uint32_t state[N];
} RandomObject;
+#define RandomObject_CAST(op) ((RandomObject *)(op))
#include "clinic/_randommodule.c.h"
@@ -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));
@@ -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);
}
@@ -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 = {
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