From: Jakub Kicinski <kuba@kernel.org>
To: Denis Arefev <arefev@swemel.ru>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Nikita Marushkin <hfggklm@gmail.com>,
Ilya Shchipletsov <rabbelkin@mail.ru>,
Hongbo Li <lihongbo22@huawei.com>,
linux-hams@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org,
stable@vger.kernel.org,
syzbot+ccdfb85a561b973219c7@syzkaller.appspotmail.com
Subject: Re: [PATCH net] netrom: fix possible deadlock in nr_rt_device_down
Date: Mon, 9 Jun 2025 15:57:29 -0700 [thread overview]
Message-ID: <20250609155729.7922836d@kernel.org> (raw)
In-Reply-To: <20250605105449.12803-1-arefev@swemel.ru>
On Thu, 5 Jun 2025 13:54:48 +0300 Denis Arefev wrote:
> Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
I suspect syzbot is the only user of this code.
Can you delete one of the locks to make the maintenance simpler?
At a glance - I don't think your fix covers all the ABBA cases.
--
pw-bot: cr
next prev parent reply other threads:[~2025-06-09 22:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-05 10:54 [PATCH net] netrom: fix possible deadlock in nr_rt_device_down Denis Arefev
2025-06-09 22:57 ` Jakub Kicinski [this message]
[not found] ` <5f821879-6774-3dc2-e97d-e33b76513088@trinnet.net>
2025-06-09 23:26 ` Jakub Kicinski
2025-06-09 23:30 ` David Ranch
2025-06-10 13:36 ` Dan Cross
2025-06-10 17:00 ` David Ranch
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