https://github.com/python/cpython/commit/d22e073d2b49313bbf42d40cbe74afa2b69385df
commit: d22e073d2b49313bbf42d40cbe74afa2b69385df
branch: main
author: Kumar Aditya <kumaradi...@python.org>
committer: kumaraditya303 <kumaradi...@python.org>
date: 2025-07-06T15:18:11Z
summary:
gh-109700: fix memory error handling in `PyDict_SetDefault` (#136338)
files:
A
Misc/NEWS.d/next/Core_and_Builtins/2025-07-06-14-53-19.gh-issue-109700.KVNQQi.rst
M Objects/dictobject.c
diff --git
a/Misc/NEWS.d/next/Core_and_Builtins/2025-07-06-14-53-19.gh-issue-109700.KVNQQi.rst
b/Misc/NEWS.d/next/Core_and_Builtins/2025-07-06-14-53-19.gh-issue-109700.KVNQQi.rst
new file mode 100644
index 00000000000000..a37f4a51050947
--- /dev/null
+++
b/Misc/NEWS.d/next/Core_and_Builtins/2025-07-06-14-53-19.gh-issue-109700.KVNQQi.rst
@@ -0,0 +1 @@
+Fix memory error handling in :c:func:`PyDict_SetDefault`.
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 6b7b150f0e2f2c..be62ae5eefd00d 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -4411,6 +4411,7 @@ dict_setdefault_ref_lock_held(PyObject *d, PyObject *key,
PyObject *default_valu
if (result) {
*result = NULL;
}
+ return -1;
}
STORE_USED(mp, mp->ma_used + 1);
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