https://github.com/python/cpython/commit/7a54a653b718a70c96755f6fc39f01f5c582558a
commit: 7a54a653b718a70c96755f6fc39f01f5c582558a
branch: main
author: Pablo Galindo Salgado <[email protected]>
committer: vstinner <[email protected]>
date: 2025-01-25T17:54:20+01:00
summary:

gh-129271: Fix reference leak with unicode writer in fast path in the json 
module (#129272)

files:
M Modules/_json.c

diff --git a/Modules/_json.c b/Modules/_json.c
index 091bcbfdced42b..31a5e935e13ad9 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -417,6 +417,7 @@ scanstring_unicode(PyObject *pystr, Py_ssize_t end, int 
strict, Py_ssize_t *next
                 if (ret == NULL) {
                     goto bail;
                 }
+                PyUnicodeWriter_Discard(writer);
                 *next_end_ptr = next + 1;;
                 return ret;
             }

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