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[3.13] gh-126980: Fix bytearray.__buffer__ crash on PyBUF_{READ,WRITE} (GH-126981) (#127023)

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(cherry picked from commit 3932e1db53)

Co-authored-by: Victor Stinner <vstinner@python.org>
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sobolevn 2024-11-19 20:37:53 +03:00 • committed by GitHub
parent dd222a4d47
commit 3fae84fe58
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3 changed files with 15 additions and 4 deletions
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8
Objects/bytearrayobject.c
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@ -44,15 +44,15 @@ _getbytevalue(PyObject* arg, int *value)
static int
bytearray_getbuffer(PyByteArrayObject *obj, Py_buffer *view, int flags)
{
void *ptr;
if (view == NULL) {
PyErr_SetString(PyExc_BufferError,
"bytearray_getbuffer: view==NULL argument is obsolete");
return -1;
}
ptr = (void *) PyByteArray_AS_STRING(obj);
/* cannot fail if view != NULL and readonly == 0 */
(void)PyBuffer_FillInfo(view, (PyObject*)obj, ptr, Py_SIZE(obj), 0, flags);
void *ptr = (void *) PyByteArray_AS_STRING(obj);
if (PyBuffer_FillInfo(view, (PyObject*)obj, ptr, Py_SIZE(obj), 0, flags) < 0) {
return -1;
}
obj->ob_exports++;
return 0;
}