CVE-2023-53329 workqueue: fix data race with the pwq->stats[] increment

In the Linux kernel, the following vulnerability has been resolved: workqueue: fix data race with the pwq-stats increment KCSAN has discovered a data race in kernel/workqueue.c:2598: 1863.554079 ================================================================== 1863.554118 BUG: KCSAN: data-race i...