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gh-151126:Fix missing memory errors in _interpqueuesmodule.c #151639

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gh-151126:Fix missing memory errors in _interpqueuesmodule.c #151639

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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Core_and_Builtins/2026-06-18-17-31-02.gh-issue-151126.HubUYi.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
Fix crashes when interpreter queues run out of memory while being listed or
shared between interpreters. These cases now raise a proper
:exc:`MemoryError`.
2 changes: 2 additions & 0 deletions Modules/_interpqueuesmodule.c
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Expand Up @@ -1045,6 +1045,7 @@ _queues_list_all(_queues *queues, int64_t *p_count)
struct queue_id_and_info *ids = PyMem_NEW(struct queue_id_and_info,
(Py_ssize_t)(queues->count));
if (ids == NULL) {
PyErr_NoMemory();
goto done;
}
_queueref *ref = queues->head;
Expand Down Expand Up @@ -1328,6 +1329,7 @@ _queueid_xid_new(int64_t qid)
struct _queueid_xid *data = PyMem_RawMalloc(sizeof(struct _queueid_xid));
if (data == NULL) {
_queues_decref(queues, qid);
PyErr_NoMemory();
return NULL;
}
data->qid = qid;
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