From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 9 Jan 2024 11:00:07 +0000 (+0100)
Subject: [3.12] gh-113842: Add missing error check for PyIter_Next() in Python/symtable.c... 
X-Git-Tag: v3.12.2~207
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6b6f91ec88488e9e1ac71cf5635c79c92beeff0f;p=thirdparty%2FPython%2Fcpython.git

[3.12] gh-113842: Add missing error check for PyIter_Next() in Python/symtable.c (GH-113843) (GH-113851)

(cherry picked from commit fda901a1ff94ea6cc338b74928acdbc5ee165ed7)

Co-authored-by: Yan Yanchii <yyanchiy@gmail.com>
---

diff --git a/Python/symtable.c b/Python/symtable.c
index 70b6eacd4ac0..a5c6b465b71d 100644
--- a/Python/symtable.c
+++ b/Python/symtable.c
@@ -872,6 +872,12 @@ 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;