netdev - Re: [PATCH 18/27] bpf: Restrict kernel image access functions when the kernel is locked down

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Message-ID: <2582.1508486928@warthog.procyon.org.uk>
Date:   Fri, 20 Oct 2017 09:08:48 +0100
From:   David Howells <dhowells@...hat.com>
To:     joeyli <jlee@...e.com>
Cc:     dhowells@...hat.com,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        linux-security-module@...r.kernel.org, gnomes@...rguk.ukuu.org.uk,
        linux-efi@...r.kernel.org, matthew.garrett@...ula.com,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        jforbes@...hat.com, Daniel Borkmann <daniel@...earbox.net>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Gary Lin <GLin@...e.com>
Subject: Re: [PATCH 18/27] bpf: Restrict kernel image access functions when the kernel is locked down

Hi Joey,

Should I just lock down sys_bpf() entirely for now?  We can always free it up
somewhat later.

David