diff options
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/exceptions.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Objects/exceptions.c b/Objects/exceptions.c index c6a7aa4aecc..714039ee1ab 100644 --- a/Objects/exceptions.c +++ b/Objects/exceptions.c @@ -89,9 +89,14 @@ BaseException_clear(PyBaseExceptionObject *self) static void BaseException_dealloc(PyBaseExceptionObject *self) { - _PyObject_GC_UNTRACK(self); + PyObject_GC_UnTrack(self); + // bpo-44348: The trashcan mecanism prevents stack overflow when deleting + // long chains of exceptions. For example, exceptions can be chained + // through the __context__ attributes or the __traceback__ attribute. + Py_TRASHCAN_BEGIN(self, BaseException_dealloc) BaseException_clear(self); Py_TYPE(self)->tp_free((PyObject *)self); + Py_TRASHCAN_END } static int |