diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index 6671f2c..910658d 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -1469,6 +1469,11 @@
         self.assertEqual(bin(-(2**65)), '-0b1' + '0' * 65)
         self.assertEqual(bin(-(2**65-1)), '-0b' + '1' * 65)
 
+    def test_bytearray_translate(self):
+        x = bytearray("abc")
+        self.assertRaises(ValueError, x.translate, "1", 1)
+        self.assertRaises(TypeError, x.translate, "1"*256, 1)
+
 class TestSorted(unittest.TestCase):
 
     def test_basic(self):
diff --git a/Misc/NEWS b/Misc/NEWS
index e0cb38d..df3c2a5 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@
 Core and Builtins
 -----------------
 
+- Issue #6540: Fixed crash for bytearray.translate() with invalid parameters.
+
 - Issue #6070: On posix platforms import no longer copies the execute bit
   from the .py file to the .pyc file if it is set.
 
diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index b5dd81b..7eafce7 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -1458,15 +1458,14 @@
     if (vtable.len != 256) {
         PyErr_SetString(PyExc_ValueError,
                         "translation table must be 256 characters long");
-        result = NULL;
-        goto done;
+        PyBuffer_Release(&vtable);
+        return NULL;
     }
 
     if (delobj != NULL) {
         if (_getbuffer(delobj, &vdel) < 0) {
-            result = NULL;
-            delobj = NULL;  /* don't try to release vdel buffer on exit */
-            goto done;
+            PyBuffer_Release(&vtable);
+	    return NULL;
         }
     }
     else {