netdev - Re: [PATCH net-next v7 4/5] selinux: bpf: Add selinux check for eBPF syscall operations

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Message-ID: <alpine.LFD.2.20.1710201157130.11454@t440.gateway.2wire.net>
Date:   Fri, 20 Oct 2017 11:57:38 +1100 (AEDT)
From:   James Morris <james.l.morris@...cle.com>
To:     Chenbo Feng <chenbofeng.kernel@...il.com>
cc:     netdev@...r.kernel.org, SELinux <Selinux@...ho.nsa.gov>,
        linux-security-module@...r.kernel.org,
        Jeffrey Vander Stoep <jeffv@...gle.com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        lorenzo@...gle.com, Daniel Borkmann <daniel@...earbox.net>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        Paul Moore <paul@...l-moore.com>,
        Chenbo Feng <fengc@...gle.com>
Subject: Re: [PATCH net-next v7 4/5] selinux: bpf: Add selinux check for eBPF
 syscall operations

On Wed, 18 Oct 2017, Chenbo Feng wrote:

> From: Chenbo Feng <fengc@...gle.com>
> 
> Implement the actual checks introduced to eBPF related syscalls. This
> implementation use the security field inside bpf object to store a sid that
> identify the bpf object. And when processes try to access the object,
> selinux will check if processes have the right privileges. The creation
> of eBPF object are also checked at the general bpf check hook and new
> cmd introduced to eBPF domain can also be checked there.
> 
> Signed-off-by: Chenbo Feng <fengc@...gle.com>
> Acked-by: Alexei Starovoitov <ast@...nel.org>


Reviewed-by: James Morris <james.l.morris@...cle.com>

-- 
James Morris
<james.l.morris@...cle.com>