linux-kernel - Re: [PATCH] fs: Reorder inode_owner_or

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Message-ID: <20170630000629.GP10672@ZenIV.linux.org.uk>
Date:   Fri, 30 Jun 2017 01:06:29 +0100
From:   Al Viro <viro@...IV.linux.org.uk>
To:     Kees Cook <keescook@...omium.org>
Cc:     Solar Designer <solar@...nwall.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Andy Lutomirski <luto@...nel.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fs: Reorder inode_owner_or_capable() to avoid needless

On Tue, Jun 20, 2017 at 02:40:24PM -0700, Kees Cook wrote:
> Checking for capabilities should be the last operation when performing
> access control tests so that PF_SUPERPRIV is set only when it was required
> for success (implying that the capability was needed for the operation).

Applied