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Date: Thu, 21 Aug 2014 06:12:57 -0700
From: Christoph Hellwig <hch@infradead.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Richard Weinberger <richard.weinberger@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
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        "Daniel P. Berrange" <berrange@redhat.com>
Subject: Re: [GIT PULL] namespace updates for v3.17-rc1
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On Wed, Aug 20, 2014 at 09:53:49PM -0700, Eric W. Biederman wrote:
> Richard Weinberger <richard.weinberger@gmail.com> writes:
> 
> > On Wed, Aug 6, 2014 at 2:57 AM, Eric W. Biederman <ebiederm@xmission.com> wrote:
> >
> > This commit breaks libvirt-lxc.
> > libvirt does in lxcContainerMountBasicFS():
> 
> The bugs fixed are security issues, so if we have to break a small
> number of userspace applications we will.  Anything that we can
> reasonably do to avoid regressions will be done.

Can you explain the security issues in detail?  Breaking common
userspace like libvirt-lxc with just a little bit of handwaiving is
entirely unacceptable.