diff --git a/Lib/ctypes/__init__.py b/Lib/ctypes/__init__.py
index e24cfd2..88c85ff 100644
--- a/Lib/ctypes/__init__.py
+++ b/Lib/ctypes/__init__.py
@@ -342,6 +342,10 @@
     """
     _func_flags_ = _FUNCFLAG_CDECL
     _func_restype_ = c_int
+    # default values for repr
+    _name = '<uninitialized>'
+    _handle = 0
+    _FuncPtr = None
 
     def __init__(self, name, mode=DEFAULT_MODE, handle=None,
                  use_errno=False,
diff --git a/Misc/NEWS b/Misc/NEWS
index 8b5f146..b1d3567 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -23,6 +23,9 @@
 Library
 -------
 
+- Issue #29219: Fixed infinite recursion in the repr of uninitialized
+  ctypes.CDLL instances.
+
 - Issue #29082: Fixed loading libraries in ctypes by unicode names on Windows.
   Original patch by Chi Hsuan Yen.