linux-kernel - Re: [PATCH 10/11] selinux: Implement the watch

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Message-ID: <5368.1567175021@warthog.procyon.org.uk>
Date:   Fri, 30 Aug 2019 15:23:41 +0100
From:   David Howells <dhowells@...hat.com>
To:     Stephen Smalley <sds@...ho.nsa.gov>
Cc:     dhowells@...hat.com, viro@...iv.linux.org.uk,
        Casey Schaufler <casey@...aufler-ca.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        nicolas.dichtel@...nd.com, raven@...maw.net,
        Christian Brauner <christian@...uner.io>,
        keyrings@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-api@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/11] selinux: Implement the watch_key security hook [ver #7]

Stephen Smalley <sds@...ho.nsa.gov> wrote:

> > +	u32 sid = cred_sid(current_cred());
> 
> How does this differ from current_sid()?
> 
> And has current_sid() not been converted to use selinux_cred()? Looks like
> selinux_kernfs_init_security() also uses current_security() directly.

It probably doesn't - okay I'll use that instead.

David