From: Tejun Heo <tj@kernel.org>
To: Waiman Long <longman@redhat.com>
Cc: Zefan Li <lizefan.x@bytedance.com>,
Johannes Weiner <hannes@cmpxchg.org>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
Mirsad Todorovac <mirsad.todorovac@alu.hr>
Subject: Re: [PATCH] cgroup/cpuset: Fix a memory leak in update_exclusive_cpumask()
Date: Wed, 28 Feb 2024 08:04:37 -1000 [thread overview]
Message-ID: <Zd91tagUX3EZCINk@slm.duckdns.org> (raw)
In-Reply-To: <20240228005801.429847-1-longman@redhat.com>
Hello,
On Tue, Feb 27, 2024 at 07:58:01PM -0500, Waiman Long wrote:
> Fix a possible memory leak in update_exclusive_cpumask() by moving the
> alloc_cpumasks() down after the validate_change() check which can fail
> and still before the temporary cpumasks are needed.
>
> Fixes: e2ffe502ba45 ("cgroup/cpuset: Add cpuset.cpus.exclusive for v2")
> Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.hr>
> Closes: https://lore.kernel.org/lkml/14915689-27a3-4cd8-80d2-9c30d0c768b6@alu.unizg.hr
> Signed-off-by: Waiman Long <longman@redhat.com>
Applied to cgroup/for-6.8-fixes with stable cc'd. Depending on when v6.9
gets cut, this might go in together with for-6.9 during rc1.
Thanks.
--
tejun
prev parent reply other threads:[~2024-02-28 18:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-28 0:58 [PATCH] cgroup/cpuset: Fix a memory leak in update_exclusive_cpumask() Waiman Long
2024-02-28 13:56 ` Mirsad Todorovac
2024-02-28 15:08 ` Waiman Long
2024-02-28 18:04 ` Tejun Heo [this message]
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