linux-kernel - Re: [PATCH] Smack: Handle io_uring kernel thread privileges.

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Message-ID: <b76a1405-10ae-b8ef-2f08-f84d5cd66fb9@kernel.dk>
Date:   Mon, 21 Dec 2020 19:05:01 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Casey Schaufler <casey@...aufler-ca.com>,
        "SMACK-discuss@...ts.01.org" <SMACK-discuss@...ts.01.org>,
        Linux Security Module list 
        <linux-security-module@...r.kernel.org>
Cc:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Smack: Handle io_uring kernel thread privileges.

On 12/17/20 6:12 PM, Casey Schaufler wrote:
> Smack assumes that kernel threads are privileged for smackfs
> operations. This was necessary because the credential of the
> kernel thread was not related to a user operation. With io_uring
> the credential does reflect a user's rights and can be used.

Acked-by: Jens Axboe <axboe@...nel.dk>

-- 
Jens Axboe