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

Decref 'new_ste' if symtable_visit_annotations() fails.
python · Jun 12, 2024 · 19435d2 · 19435d2
1 parent f5a9c34
commit 19435d2
Showing 1 changed file with 3 additions and 1 deletion.
diff --git 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);