# HG changeset patch
# Parent 0f0645808d53aa735cb3117efe612ffc005595a8

diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -1139,7 +1139,11 @@
         from the specified logger to the root of the logger hierarchy.
         """
         name = alogger.name
-        i = name.rfind(".")
+        try:
+            i = name.rfind(".")
+        except (AttributeError, TypeError):
+            # Not a string
+            i = -1
         rv = None
         while (i > 0) and not rv:
             substr = name[:i]
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -3512,6 +3512,21 @@
         self.addCleanup(setattr, self.logger.manager, 'disable', old_disable)
         self.assertFalse(self.logger.isEnabledFor(22))
 
+    def test_exotic_names(self):
+        logging.Logger(any)
+        logging.Logger({0})
+
+        loggers = set()
+        loggers.add(logging.getLogger(all))
+        loggers.add(logging.getLogger(('foo',)))
+        loggers.add(logging.getLogger(b'foo'))
+        loggers.add(logging.getLogger(True))
+        self.assertEqual(len(loggers), 4)
+        self.assertEqual(logging.getLogger(1), logging.getLogger(True))
+
+        self.assertRaises(TypeError, logging.getLogger, {0})
+        self.assertRaises(TypeError, logging.getLogger, bytearray(b'foo'))
+
 
 class BaseFileTest(BaseTest):
     "Base class for handler tests that write log files"