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From: Greg KH <gregkh@linuxfoundation.org>
To: zhangq95 <qiangzh.hust@gmail.com>
Cc: linux-kernel@vger.kernel.org, tj@kernel.org, lizefan@huawei.com,
	hannes@cmpxchg.org, mingo@redhat.com, peterz@infradead.org,
	cgroups@vger.kernel.org, riel@redhat.com, gs051095@gmail.com,
	akpm@linux-foundation.org, oleg@redhat.com, tglx@linutronix.de,
	keescook@chromium.org, longman@redhat.com, prsood@codeaurora.org,
	guro@fb.com, davem@davemloft.net, mhocko@suse.com,
	kirill.shutemov@linux.intel.com, marcos.souza.org@gmail.com,
	hoeun.ryu@gmail.com, rostedt@goodmis.org, bigeasy@linutronix.de,
	alexander.levin@verizon.com, paulmck@linux.vnet.ibm.com,
	fweisbec@gmail.com
Subject: Re: [PATCH] Add a file named cgroup.procs_stat in cgroup
Date: Fri, 4 May 2018 10:31:47 -0700	[thread overview]
Message-ID: <20180504173147.GA4649@kroah.com> (raw)
In-Reply-To: <1525444100-4858-1-git-send-email-qiangzh.hust@gmail.com>

On Fri, May 04, 2018 at 10:28:20PM +0800, zhangq95 wrote:
> When I run "cat /proc/stat" in a container, container will access
> host's file directly which is a security risk.

Why is this a "security risk"?  What can be learned there that is
somehow "bad"?

thanks,

greg k-h

  parent reply	other threads:[~2018-05-04 17:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-04 14:28 [PATCH] Add a file named cgroup.procs_stat in cgroup zhangq95
2018-05-04 15:43 ` Peter Zijlstra
2018-05-04 17:31 ` Greg KH [this message]
2018-05-05  7:15 ` kbuild test robot
2018-05-05  7:15 ` kbuild test robot
2018-05-05  7:34 ` kbuild test robot

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