From: "Arnd Bergmann" <arnd@arndb.de>
To: "Yousef Alhouseen" <alhouseenyousef@gmail.com>,
"Alexander Graf" <graf@amazon.com>
Cc: "The AWS Nitro Enclaves Team"
<aws-nitro-enclaves-devel@amazon.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] virtio: nsm: fix raw ioctl copy error path
Date: Thu, 25 Jun 2026 07:40:46 +0200 [thread overview]
Message-ID: <aa01d248-d081-40be-8af5-8e13f8d79d0b@app.fastmail.com> (raw)
In-Reply-To: <20260624173501.4094-1-alhouseenyousef@gmail.com>
On Wed, Jun 24, 2026, at 19:35, Yousef Alhouseen wrote:
> nsm_dev_ioctl() uses a common exit path which unlocks nsm->lock.
>
> A failed copy_from_user() reaches that path before the mutex is locked.
>
> Return -EFAULT directly for that pre-lock failure.
>
> Signed-off-by: Yousef Alhouseen <alhouseenyousef@gmail.com>
> ---
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
next prev parent reply other threads:[~2026-06-25 5:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-24 17:35 Yousef Alhouseen
2026-06-25 5:40 ` Arnd Bergmann [this message]
2026-07-17 11:14 ` Greg Kroah-Hartman
2026-07-18 12:20 ` Yousef Alhouseen
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