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Date:   Mon, 21 Dec 2020 19:05:01 -0700
From:   Jens Axboe <>
To:     Casey Schaufler <>,
        "" <>,
        Linux Security Module list 
Cc:     "Eric W. Biederman" <>,
        LKML <>
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 <>

Jens Axboe

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