https://github.com/python/cpython/commit/a6c2d4ae3bd744610e1a8b70396effdabca1593d
commit: a6c2d4ae3bd744610e1a8b70396effdabca1593d
branch: main
author: sobolevn <[email protected]>
committer: sobolevn <[email protected]>
date: 2026-06-25T07:04:02Z
summary:
gh-151763: Fix crash in `_interpqueues.create` on `MemoryError` (#152131)
files:
A Misc/NEWS.d/next/Library/2026-06-25-01-00-43.gh-issue-151763.wWeHBe.rst
M Modules/_interpqueuesmodule.c
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
new file mode 100644
index 00000000000000..2f5e84027ad31b
--- /dev/null
+++ 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
index 9979cd3457e101..d203ddba7d9c3c 100644
--- 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);
}
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