diff --git a/stdlib/asyncio/windows_events.pyi b/stdlib/asyncio/windows_events.pyi
index 8c554f0d0..2942a25c0 100644
--- a/stdlib/asyncio/windows_events.pyi
+++ b/stdlib/asyncio/windows_events.pyi
@@ -42,7 +42,7 @@ if sys.platform == "win32":
         ) -> list[PipeServer]: ...
 
     class IocpProactor:
-        def __init__(self, concurrency: int = ...) -> None: ...
+        def __init__(self, concurrency: int = 0xFFFFFFFF) -> None: ...
         def __del__(self) -> None: ...
         def set_loop(self, loop: events.AbstractEventLoop) -> None: ...
         def select(self, timeout: int | None = None) -> list[futures.Future[Any]]: ...
diff --git a/stdlib/lib2to3/pytree.pyi b/stdlib/lib2to3/pytree.pyi
index ff3ac1a4d..5cf7db146 100644
--- a/stdlib/lib2to3/pytree.pyi
+++ b/stdlib/lib2to3/pytree.pyi
@@ -83,7 +83,7 @@ class NodePattern(BasePattern):
 class WildcardPattern(BasePattern):
     min: int
     max: int
-    def __init__(self, content: str | None = None, min: int = 0, max: int = ..., name: str | None = None) -> None: ...
+    def __init__(self, content: str | None = None, min: int = 0, max: int = 0x7FFFFFFF, name: str | None = None) -> None: ...
 
 class NegatedPattern(BasePattern):
     def __init__(self, content: str | None = None) -> None: ...
diff --git a/stdlib/smtpd.pyi b/stdlib/smtpd.pyi
index a83e827bf..7392bd516 100644
--- a/stdlib/smtpd.pyi
+++ b/stdlib/smtpd.pyi
@@ -41,7 +41,7 @@ class SMTPChannel(asynchat.async_chat):
         server: SMTPServer,
         conn: socket.socket,
         addr: Any,
-        data_size_limit: int = ...,
+        data_size_limit: int = 33554432,
         map: asyncore._MapType | None = None,
         enable_SMTPUTF8: bool = False,
         decode_data: bool = False,
@@ -71,7 +71,7 @@ class SMTPServer(asyncore.dispatcher):
         self,
         localaddr: _Address,
         remoteaddr: _Address,
-        data_size_limit: int = ...,
+        data_size_limit: int = 33554432,
         map: asyncore._MapType | None = None,
         enable_SMTPUTF8: bool = False,
         decode_data: bool = False,
diff --git a/stdlib/xmlrpc/client.pyi b/stdlib/xmlrpc/client.pyi
index 21c9d020f..536cd6382 100644
--- a/stdlib/xmlrpc/client.pyi
+++ b/stdlib/xmlrpc/client.pyi
@@ -204,7 +204,7 @@ def loads(
     data: str, use_datetime: bool = False, use_builtin_types: bool = False
 ) -> tuple[tuple[_Marshallable, ...], str | None]: ...
 def gzip_encode(data: ReadableBuffer) -> bytes: ...  # undocumented
-def gzip_decode(data: ReadableBuffer, max_decode: int = ...) -> bytes: ...  # undocumented
+def gzip_decode(data: ReadableBuffer, max_decode: int = 20971520) -> bytes: ...  # undocumented
 
 class GzipDecodedResponse(gzip.GzipFile):  # undocumented
     io: BytesIO