https://github.com/python/cpython/commit/4f87c99a5ae9c74a5f94b91335d85f4662e1ed48
commit: 4f87c99a5ae9c74a5f94b91335d85f4662e1ed48
branch: main
author: Pieter Eendebak <[email protected]>
committer: encukou <[email protected]>
date: 2026-03-11T14:24:15+01:00
summary:
gh-145376: Fix refleak & pointer type bug in uncommon code paths in Parser/
(GH-145684)
files:
M Parser/pegen.c
diff --git a/Parser/pegen.c b/Parser/pegen.c
index 7ecc55eee13775..569f5afb312008 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;
}
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