netdev - Re: New skb extension for use by LSMs (skb "security blob")?

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Message-ID: <20190822070358.GE20113@breakpoint.cc>
Date:   Thu, 22 Aug 2019 09:03:58 +0200
From:   Florian Westphal <fw@...len.de>
To:     Paul Moore <paul@...l-moore.com>
Cc:     netdev@...r.kernel.org, linux-security-module@...r.kernel.org,
        selinux@...r.kernel.org
Subject: Re: New skb extension for use by LSMs (skb "security blob")?

Paul Moore <paul@...l-moore.com> wrote:
> Hello netdev,
> 
> I was just made aware of the skb extension work, and it looks very
> appealing from a LSM perspective.  As some of you probably remember,
> we (the LSM folks) have wanted a proper security blob in the skb for
> quite some time, but netdev has been resistant to this idea thus far.

Is that "blob" in addition to skb->secmark, or a replacement?