All of lore.kernel.org
 help / color / mirror / Atom feed
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180504173147.GA4649@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=akpm@linux-foundation.org \
    --cc=alexander.levin@verizon.com \
    --cc=bigeasy@linutronix.de \
    --cc=cgroups@vger.kernel.org \
    --cc=davem@davemloft.net \
    --cc=fweisbec@gmail.com \
    --cc=gs051095@gmail.com \
    --cc=guro@fb.com \
    --cc=hannes@cmpxchg.org \
    --cc=hoeun.ryu@gmail.com \
    --cc=keescook@chromium.org \
    --cc=kirill.shutemov@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lizefan@huawei.com \
    --cc=longman@redhat.com \
    --cc=marcos.souza.org@gmail.com \
    --cc=mhocko@suse.com \
    --cc=mingo@redhat.com \
    --cc=oleg@redhat.com \
    --cc=paulmck@linux.vnet.ibm.com \
    --cc=peterz@infradead.org \
    --cc=prsood@codeaurora.org \
    --cc=qiangzh.hust@gmail.com \
    --cc=riel@redhat.com \
    --cc=rostedt@goodmis.org \
    --cc=tglx@linutronix.de \
    --cc=tj@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.