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Re: [PATCH v2] xattr: Enable security.capability in user namespaces

From ebiederm@xmission.com (Eric W. Biederman)
Newsgroups linux.kernel
Subject Re: [PATCH v2] xattr: Enable security.capability in user namespaces
Date 2017-07-14 02:50 +0200
Message-ID <u2WXT-4hp-5@gated-at.bofh.it> (permalink)
References (8 earlier) <u2Ptn-813-7@gated-at.bofh.it> <u2Q66-8w6-5@gated-at.bofh.it> <u2QfM-85-23@gated-at.bofh.it> <u2Qz7-fX-19@gated-at.bofh.it> <u2WXT-4hp-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Stefan Berger <stefanb@linux.vnet.ibm.com> writes:

> On 07/13/2017 01:49 PM, Eric W. Biederman wrote:
>
> > My big question right now is can you implement Ted's suggested
> > restriction.  Only one security.foo or secuirty.foo@... attribute ?

> We need to raw-list the xattrs and do the check before writing them. I am fairly sure this can be done.
>
> So now you want to allow security.foo and one security.foo@uid=<> or just a single one security.foo(@[[:print:]]*)?
>

The latter.

Eric

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[PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <"Stefan Bergerstefanb"@linux.vnet.ibm.com> - 2017-07-11 17:10 +0200
  Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-11 19:20 +0200
    Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-12 02:20 +0200
      Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-12 02:50 +0200
  Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-12 05:50 +0200
    Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-12 13:40 +0200
      Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-12 19:40 +0200
  Re: [PATCH v2] xattr: Enable security.capability in user  namespaces James Morris <jmorris@namei.org> - 2017-07-12 10:10 +0200
  Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-12 15:40 +0200
    Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-12 19:10 +0200
      Re: [PATCH v2] xattr: Enable security.capability in user  namespaces James Morris <jmorris@namei.org> - 2017-07-13 00:30 +0200
        Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 02:50 +0200
          Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 03:10 +0200
      Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 01:30 +0200
        Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-13 02:50 +0200
          Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-13 03:20 +0200
            Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 04:40 +0200
            Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 14:20 +0200
              Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-13 18:50 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-13 19:10 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 19:50 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-13 21:20 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 21:50 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 23:20 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user  namespaces James Morris <jmorris@namei.org> - 2017-07-18 09:10 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 19:30 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-13 19:40 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 20:00 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 21:50 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-13 23:30 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-14 02:50 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-14 13:40 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-14 14:20 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-14 14:50 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-14 15:40 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-14 17:30 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-14 19:40 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-14 20:30 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-14 20:50 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-07-14 21:00 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-14 22:10 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-07-14 22:50 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-14 23:40 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-15 01:40 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-15 01:40 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-15 02:10 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Theodore Ts'o <tytso@mit.edu> - 2017-07-14 21:30 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-14 21:50 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-14 21:30 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-15 02:20 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-07-16 13:30 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-14 21:00 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-14 21:30 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 23:30 +0200
                Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 23:20 +0200
        Re: [PATCH v2] xattr: Enable security.capability in user namespaces "Serge E. Hallyn" <serge@hallyn.com> - 2017-07-13 02:50 +0200
  Re: [PATCH v2] xattr: Enable security.capability in user namespaces Vivek Goyal <vgoyal@redhat.com> - 2017-07-12 20:00 +0200
    Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-12 21:20 +0200
  Re: [PATCH v2] xattr: Enable security.capability in user namespaces ebiederm@xmission.com (Eric W. Biederman) - 2017-07-15 01:50 +0200
    Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-15 23:30 +0200
  Re: [PATCH v2] xattr: Enable security.capability in user namespaces Vivek Goyal <vgoyal@redhat.com> - 2017-07-17 21:00 +0200
    Re: [PATCH v2] xattr: Enable security.capability in user namespaces Stefan Berger <stefanb@linux.vnet.ibm.com> - 2017-07-17 23:00 +0200

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