[3.13] gh-151763: Fix crash in _interpqueues.create on MemoryError (GH-152131) (#152160)

miss-islington · sobolevn · web-flow · commit e09bc5f0be09 · 2026-06-25T07:29:31.000Z
gh-151763: Fix crash in `_interpqueues.create` on `MemoryError` (GH-152131) (cherry picked from commit a6c2d4a) Co-authored-by: sobolevn <mail@sobolevn.me>
diff --git a/Misc/NEWS.d/next/Library/2026-06-25-01-00-43.gh-issue-151763.wWeHBe.rst b/Misc/NEWS.d/next/Library/2026-06-25-01-00-43.gh-issue-151763.wWeHBe.rst
@@ -0,0 +1,2 @@
+Fix crash in :func:`!_interpqueues.create` whe :exc:`MemoryError`
+happens on queue creation.
diff --git a/Modules/_interpqueuesmodule.c b/Modules/_interpqueuesmodule.c
@@ -1108,6 +1108,7 @@ queue_create(_queues *queues, Py_ssize_t maxsize, int fmt, int unboundop)
     }
     int64_t qid = _queues_add(queues, queue);
     if (qid < 0) {
+        queue->alive = 0;
         _queue_clear(queue);
         GLOBAL_FREE(queue);
     }

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Fix crash in :func:`!_interpqueues.create` whe :exc:`MemoryError`
	`2`	`+happens on queue creation.`
Original file line number	Diff line number	Diff line change
`@@ -1108,6 +1108,7 @@ queue_create(_queues *queues, Py_ssize_t maxsize, int fmt, int unboundop)`
`1108`	`1108`	`}`
`1109`	`1109`	`int64_t qid = _queues_add(queues, queue);`
`1110`	`1110`	`if (qid < 0) {`
	`1111`	`+ queue->alive = 0;`
`1111`	`1112`	`_queue_clear(queue);`
`1112`	`1113`	`GLOBAL_FREE(queue);`
`1113`	`1114`	`}`