#11335: Fix memory leak when a sort key function throws an exception
diff --git a/Misc/NEWS b/Misc/NEWS
index 31d7c4c..da1b75d 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
Core and Builtins
-----------------
+- Issue #11335: Fixed a memory leak in list.sort when the key function
+ throws an exception.
+
- Issue #8923: When a string is encoded to UTF-8 in strict mode, the result is
cached into the object. Examples: str.encode(), str.encode('utf-8'),
PyUnicode_AsUTF8String() and PyUnicode_AsEncodedString(unicode, "utf-8",
diff --git a/Objects/listobject.c b/Objects/listobject.c
index 9b2d36f..114749e 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -1957,6 +1957,8 @@
if (keys[i] == NULL) {
for (i=i-1 ; i>=0 ; i--)
Py_DECREF(keys[i]);
+ if (keys != &ms.temparray[saved_ob_size+1])
+ PyMem_FREE(keys);
goto keyfunc_fail;
}
}