netdev - Re: [PATCH net-next v2 1/2] bpf: Allow CGROUP_SKB eBPF program to access sk

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Message-Id: <20170602.142459.680969091574833231.davem@davemloft.net>
Date:   Fri, 02 Jun 2017 14:24:59 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     chenbofeng.kernel@...il.com
Cc:     netdev@...r.kernel.org, lorenzo@...gle.com, fengc@...gle.com
Subject: Re: [PATCH net-next v2 1/2] bpf: Allow CGROUP_SKB eBPF program to
 access sk_buff

From: Chenbo Feng <chenbofeng.kernel@...il.com>
Date: Wed, 31 May 2017 18:15:59 -0700

> From: Chenbo Feng <fengc@...gle.com>
> 
> This allows cgroup eBPF program to classify packet based on their
> protocol or other detail information. Currently program need
> CAP_NET_ADMIN privilege to attach a cgroup eBPF program, and A
> process with CAP_NET_ADMIN can already see all packets on the system,
> for example, by creating an iptables rules that causes the packet to
> be passed to userspace via NFLOG.
> 
> Signed-off-by: Chenbo Feng <fengc@...gle.com>

Applied.