From: Pablo Galindo <Pablogsal@gmail.com>
Date: Fri, 29 Jan 2021 22:40:59 +0000 (+0000)
Subject: Fix a reference leak in the compiler for compiler_lambda() (GH-24382)
X-Git-Tag: v3.10.0a5~27
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7fdab8331b90e1ffcedef05a006b6e72457b793a;p=thirdparty%2FPython%2Fcpython.git

Fix a reference leak in the compiler for compiler_lambda() (GH-24382)
---

diff --git a/Python/compile.c b/Python/compile.c
index d8fea9d047d0..5d06a8342d32 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -2692,8 +2692,10 @@ compiler_lambda(struct compiler *c, expr_ty e)
     qualname = c->u->u_qualname;
     Py_INCREF(qualname);
     compiler_exit_scope(c);
-    if (co == NULL)
+    if (co == NULL) {
+        Py_DECREF(qualname);
         return 0;
+    }
 
     compiler_make_closure(c, co, funcflags, qualname);
     Py_DECREF(qualname);