1 files changed, 12 insertions, 2 deletions
diff --git a/Modules/_io/bufferedio.c b/Modules/_io/bufferedio.c
index 6c88bbb..59e9beb 100644
--- a/Modules/_io/bufferedio.c
+++ b/Modules/_io/bufferedio.c
@@ -1415,8 +1415,18 @@ buffered_repr(buffered *self)
         res = PyUnicode_FromFormat("<%s>", Py_TYPE(self)->tp_name);
     }
     else {
-        res = PyUnicode_FromFormat("<%s name=%R>",
-                                   Py_TYPE(self)->tp_name, nameobj);
+        int status = Py_ReprEnter((PyObject *)self);
+        res = NULL;
+        if (status == 0) {
+            res = PyUnicode_FromFormat("<%s name=%R>",
+                                       Py_TYPE(self)->tp_name, nameobj);
+            Py_ReprLeave((PyObject *)self);
+        }
+        else if (status > 0) {
+            PyErr_Format(PyExc_RuntimeError,
+                         "reentrant call inside %s.__repr__",
+                         Py_TYPE(self)->tp_name);
+        }
         Py_DECREF(nameobj);
     }
     return res;