From: Kirill Podoprigora <kirill.bast9@mail.ru>
Date: Wed, 12 Jun 2024 07:37:14 +0000 (+0300)
Subject: gh-120385: Fix reference leak in symtable (#120386)
X-Git-Tag: v3.14.0a1~1528
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=19435d299a1fae9ad9a6bbe6609e41ddfd7f6cbe;p=thirdparty%2FPython%2Fcpython.git

gh-120385: Fix reference leak in symtable (#120386)

Decref 'new_ste' if symtable_visit_annotations() fails.
---

diff --git a/Python/symtable.c b/Python/symtable.c
index 287bc2bd5810..627184da9ef4 100644
--- a/Python/symtable.c
+++ b/Python/symtable.c
@@ -2027,8 +2027,10 @@ symtable_visit_stmt(struct symtable *st, stmt_ty s)
         }
 
         if (!symtable_visit_annotations(st, s, s->v.AsyncFunctionDef.args,
-                                        s->v.AsyncFunctionDef.returns, new_ste))
+                                        s->v.AsyncFunctionDef.returns, new_ste)) {
+            Py_DECREF(new_ste);
             VISIT_QUIT(st, 0);
+        }
         if (!symtable_enter_existing_block(st, new_ste)) {
             Py_DECREF(new_ste);
             VISIT_QUIT(st, 0);