From: Pieter Eendebak <pieter.eendebak@gmail.com>
Date: Wed, 11 Mar 2026 13:24:15 +0000 (+0100)
Subject: gh-145376: Fix refleak & pointer type bug in uncommon code paths in Parser/ (GH-145684)
X-Git-Tag: v3.15.0a8~355
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4f87c99a5ae9c74a5f94b91335d85f4662e1ed48;p=thirdparty%2FPython%2Fcpython.git

gh-145376: Fix refleak & pointer type bug in uncommon code paths in Parser/ (GH-145684)
---

diff --git a/Parser/pegen.c b/Parser/pegen.c
index 7ecc55eee137..569f5afb3120 100644
--- a/Parser/pegen.c
+++ b/Parser/pegen.c
@@ -924,7 +924,6 @@ _PyPegen_set_syntax_error_metadata(Parser *p) {
         the_source // N gives ownership to metadata
     );
     if (!metadata) {
-        Py_DECREF(the_source);
         PyErr_Clear();
         return;
     }
@@ -1026,8 +1025,8 @@ _PyPegen_run_parser_from_file_pointer(FILE *fp, int start_rule, PyObject *filena
 
     if (tok->fp_interactive && tok->interactive_src_start && result && interactive_src != NULL) {
         *interactive_src = PyUnicode_FromString(tok->interactive_src_start);
-        if (!interactive_src || _PyArena_AddPyObject(arena, *interactive_src) < 0) {
-            Py_XDECREF(interactive_src);
+        if (!*interactive_src || _PyArena_AddPyObject(arena, *interactive_src) < 0) {
+            Py_XDECREF(*interactive_src);
             result = NULL;
             goto error;
         }