From: Tejun Heo <tj@kernel.org>
To: Breno Leitao <leitao@debian.org>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, stable@kernel.org
Subject: Re: [PATCH] workqueue: fix wq->cpu_pwq leak in alloc_and_link_pwqs() WQ_UNBOUND path
Date: Fri, 08 May 2026 08:04:34 -1000 [thread overview]
Message-ID: <0fa37d5a29c847197b3dadc2600623b8@kernel.org> (raw)
In-Reply-To: <20260508-wq_leak-v1-1-4fe76e5c004e@debian.org>
Hello,
On Fri, 08 May 2026 09:22:03 -0700, Breno Leitao wrote:
> For WQ_UNBOUND workqueues, alloc_and_link_pwqs() allocates wq->cpu_pwq
> via alloc_percpu() and then calls apply_workqueue_attrs_locked(). On
> failure it returns the error directly, bypassing the enomem: label
> which holds the only free_percpu(wq->cpu_pwq) in this function.
>
> [...]
Applied to wq/for-7.1-fixes (capitalized the first word of the
subject).
Thanks.
--
tejun
prev parent reply other threads:[~2026-05-08 18:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-08 16:22 [PATCH] workqueue: fix wq->cpu_pwq leak in alloc_and_link_pwqs() WQ_UNBOUND path Breno Leitao
2026-05-08 18:04 ` Tejun Heo [this message]
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