diff --git a/CHANGES b/CHANGES
index d0e104efaea..92843922c06 100644
--- a/CHANGES
+++ b/CHANGES
@@ -16,6 +16,10 @@ Features added
 Bugs fixed
 ----------
 
+* #9189: autodoc: crashed when ValueError is raised on generating signature
+  from a property of the class
+* #9188: autosummary: warning is emitted if list value is set to
+  autosummary_generate
 * #8380: html search: tags for search result are broken
 
 Testing
diff --git a/sphinx/ext/autodoc/__init__.py b/sphinx/ext/autodoc/__init__.py
index c92709deb93..de94ff1c53a 100644
--- a/sphinx/ext/autodoc/__init__.py
+++ b/sphinx/ext/autodoc/__init__.py
@@ -2570,7 +2570,7 @@ def add_directive_header(self, sig: str) -> None:
                                self.fullname, exc)
                 return None
             except ValueError:
-                raise
+                return None
 
 
 class NewTypeAttributeDocumenter(AttributeDocumenter):
diff --git a/sphinx/ext/autosummary/__init__.py b/sphinx/ext/autosummary/__init__.py
index c29714ad4c8..cacff8c5c20 100644
--- a/sphinx/ext/autosummary/__init__.py
+++ b/sphinx/ext/autosummary/__init__.py
@@ -773,7 +773,7 @@ def setup(app: Sphinx) -> Dict[str, Any]:
     app.connect('builder-inited', process_generate_options)
     app.add_config_value('autosummary_context', {}, True)
     app.add_config_value('autosummary_filename_map', {}, 'html')
-    app.add_config_value('autosummary_generate', True, True, [bool])
+    app.add_config_value('autosummary_generate', True, True, [bool, list])
     app.add_config_value('autosummary_generate_overwrite', True, False)
     app.add_config_value('autosummary_mock_imports',
                          lambda config: config.autodoc_mock_imports, 'env')