diff options
-rw-r--r-- | Misc/NEWS | 4 | ||||
-rw-r--r-- | Modules/_ctypes/callproc.c | 8 |
2 files changed, 10 insertions, 2 deletions
@@ -12,7 +12,9 @@ What's New in Python 3.1.2? Core and Builtins ----------------- -======= +- Issue #5939: Add additional runtime checking to ensure a valid capsule + in Modules/_ctypes/callproc.c. + - Issue #7309: Fix unchecked attribute access when converting UnicodeEncodeError, UnicodeDecodeError, and UnicodeTranslateError to strings. diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c index f5eaa0d..2a75fb1 100644 --- a/Modules/_ctypes/callproc.c +++ b/Modules/_ctypes/callproc.c @@ -139,8 +139,14 @@ _ctypes_get_errobj(int **pspace) return NULL; } errobj = PyDict_GetItem(dict, error_object_name); - if (errobj) + if (errobj) { + if (!PyCapsule_IsValid(errobj, CTYPES_CAPSULE_NAME_PYMEM)) { + PyErr_SetString(PyExc_RuntimeError, + "ctypes.error_object is an invalid capsule"); + return NULL; + } Py_INCREF(errobj); + } else { void *space = PyMem_Malloc(sizeof(int) * 2); if (space == NULL) |