gh-151763: Fix crash in _interpqueues.create on MemoryError (#152131)

sobolevn · web-flow · commit a6c2d4ae3bd7 · 2026-06-25T07:04:02.000Z
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
@@ -1101,6 +1101,7 @@ queue_create(_queues *queues, Py_ssize_t maxsize,
     }
     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
`@@ -1101,6 +1101,7 @@ queue_create(_queues *queues, Py_ssize_t maxsize,`
`1101`	`1101`	`}`
`1102`	`1102`	`int64_t qid = _queues_add(queues, queue);`
`1103`	`1103`	`if (qid < 0) {`
	`1104`	`+ queue->alive = 0;`
`1104`	`1105`	`_queue_clear(queue);`
`1105`	`1106`	`GLOBAL_FREE(queue);`
`1106`	`1107`	`}`