From: Yan Yanchii <yyanchiy@gmail.com>
Date: Tue, 9 Jan 2024 10:43:58 +0000 (+0100)
Subject: gh-113842: Add missing error check for PyIter_Next() in Python/symtable.c (GH-113843)
X-Git-Tag: v3.13.0a3~135
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fda901a1ff94ea6cc338b74928acdbc5ee165ed7;p=thirdparty%2FPython%2Fcpython.git

gh-113842: Add missing error check for PyIter_Next() in Python/symtable.c (GH-113843)
---

diff --git a/Python/symtable.c b/Python/symtable.c
index 52d5932896b2..83137b491f28 100644
--- a/Python/symtable.c
+++ b/Python/symtable.c
@@ -977,6 +977,12 @@ update_symbols(PyObject *symbols, PyObject *scopes,
         }
         Py_DECREF(name);
     }
+
+    /* Check if loop ended because of exception in PyIter_Next */
+    if (PyErr_Occurred()) {
+        goto error;
+    }
+
     Py_DECREF(itr);
     Py_DECREF(v_free);
     return 1;