All of lore.kernel.org
 help / color / mirror / Atom feed
From: Mimi Zohar <zohar@linux.ibm.com>
To: Dominik Brodowski <linux@dominikbrodowski.net>,
	Roberto Sassu <roberto.sassu@huawei.com>
Cc: viro@zeniv.linux.org.uk, linux-security-module@vger.kernel.org,
	linux-integrity@vger.kernel.org, initramfs@vger.kernel.org,
	linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, zohar@linux.vnet.ibm.com,
	silviu.vlasceanu@huawei.com, dmitry.kasatkin@huawei.com,
	takondra@cisco.com, kamensky@cisco.com, hpa@zytor.com,
	arnd@arndb.de, rob@landley.net, james.w.mcmechan@gmail.com
Subject: Re: [PATCH v2 0/3] initramfs: add support for xattrs in the initial ram disk
Date: Sun, 12 May 2019 08:52:47 -0400	[thread overview]
Message-ID: <1557665567.10635.222.camel@linux.ibm.com> (raw)
In-Reply-To: <20190512091748.s6fvy2f5p2a2o6ja@isilmar-4.linta.de>

On Sun, 2019-05-12 at 11:17 +0200, Dominik Brodowski wrote:
> On Thu, May 09, 2019 at 01:24:17PM +0200, Roberto Sassu wrote:
> > This proposal consists in marshaling pathnames and xattrs in a file called
> > .xattr-list. They are unmarshaled by the CPIO parser after all files have
> > been extracted.
> 
> Couldn't this parsing of the .xattr-list file and the setting of the xattrs
> be done equivalently by the initramfs' /init? Why is kernel involvement
> actually required here?

It's too late.  The /init itself should be signed and verified.

Mimi


  parent reply	other threads:[~2019-05-12 12:52 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-09 11:24 [PATCH v2 0/3] initramfs: add support for xattrs in the initial ram disk Roberto Sassu
2019-05-09 11:24 ` Roberto Sassu
2019-05-09 11:24 ` Roberto Sassu
2019-05-09 11:24 ` [PATCH v2 1/3] fs: add ksys_lsetxattr() wrapper Roberto Sassu
2019-05-09 11:24   ` Roberto Sassu
2019-05-10 21:28   ` Jann Horn
2019-05-09 11:24 ` [PATCH v2 2/3] initramfs: set extended attributes Roberto Sassu
2019-05-09 11:24   ` Roberto Sassu
2019-05-09 11:24 ` [PATCH v2 3/3] initramfs: introduce do_readxattrs() Roberto Sassu
2019-05-09 11:24   ` Roberto Sassu
2019-05-10 21:33   ` Jann Horn
2019-05-13 13:03     ` Roberto Sassu
2019-05-13 13:03       ` Roberto Sassu
2019-05-09 18:34 ` [PATCH v2 0/3] initramfs: add support for xattrs in the initial ram disk Rob Landley
2019-05-10  6:56   ` Roberto Sassu
2019-05-10  6:56     ` Roberto Sassu
2019-05-10 11:49     ` Mimi Zohar
2019-05-10 11:49       ` Mimi Zohar
2019-05-10 20:46       ` Rob Landley
2019-05-10 20:46         ` Rob Landley
2019-05-10 22:38         ` Mimi Zohar
2019-05-11 22:44 ` Andy Lutomirski
2019-05-12  4:04   ` Rob Landley
2019-05-12  4:12     ` Rob Landley
2019-05-12  9:17 ` Dominik Brodowski
2019-05-12 10:18   ` hpa
2019-05-12 15:31     ` Dominik Brodowski
2019-05-13  0:02       ` Mimi Zohar
2019-05-13  0:21         ` hpa
2019-05-13  0:23       ` hpa
2019-05-12 12:52   ` Mimi Zohar [this message]
2019-05-12 17:05     ` Rob Landley
2019-05-12 19:43       ` Arvind Sankar
2019-05-13  7:49         ` Roberto Sassu
2019-05-13  7:49           ` Roberto Sassu
2019-05-13  9:07           ` Rob Landley
2019-05-13  9:07             ` Rob Landley
2019-05-13 12:08             ` Mimi Zohar
2019-05-13 12:47             ` Roberto Sassu
2019-05-13 12:47               ` Roberto Sassu
2019-05-13 12:47               ` Roberto Sassu
2019-05-13 17:20               ` Arvind Sankar
2019-05-13 17:20                 ` Arvind Sankar
2019-05-13 17:51                 ` Arvind Sankar
2019-05-13 17:51                   ` Arvind Sankar
2019-05-13 17:52                 ` Arvind Sankar
2019-05-13 17:52                   ` Arvind Sankar
2019-05-13 18:36                   ` Mimi Zohar
2019-05-13 18:36                     ` Mimi Zohar
2019-05-13 18:47                     ` Arvind Sankar
2019-05-13 18:47                       ` Arvind Sankar
2019-05-13 22:09                       ` Mimi Zohar
2019-05-14  6:06                         ` Rob Landley
2019-05-14 14:44                           ` Arvind Sankar
2019-05-14  6:06               ` Rob Landley
2019-05-14 11:52                 ` Roberto Sassu
2019-05-14 11:52                   ` Roberto Sassu
2019-05-14 15:12                   ` Rob Landley
2019-05-14 15:27                   ` Arvind Sankar
2019-05-14 15:57                     ` Arvind Sankar
2019-05-14 17:44                       ` Roberto Sassu
2019-05-14 17:44                         ` Roberto Sassu
2019-05-15  1:00                         ` Arvind Sankar
2019-05-14 15:19               ` Andy Lutomirski
2019-05-14 16:33                 ` Roberto Sassu
2019-05-14 16:33                   ` Roberto Sassu
2019-05-14 16:58                   ` Greg KH
2019-05-14 17:20                     ` Roberto Sassu
2019-05-14 17:20                       ` Roberto Sassu
2019-05-15  0:25                       ` Arvind Sankar
2019-05-14 19:18                 ` James Bottomley
2019-05-14 23:39                   ` Rob Landley
2019-05-14 23:54                     ` James Bottomley
2019-05-15  0:52                       ` Arvind Sankar
2019-05-15 11:19                         ` Roberto Sassu
2019-05-15 11:19                           ` Roberto Sassu
2019-05-15 16:08                           ` Arvind Sankar
2019-05-15 17:06                             ` Roberto Sassu
2019-05-15 17:06                               ` Roberto Sassu
2019-05-16  5:29                               ` Arvind Sankar
2019-05-16 11:42                                 ` Roberto Sassu
2019-05-16 11:42                                   ` Roberto Sassu
2019-05-16 13:31                                 ` Mimi Zohar

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=1557665567.10635.222.camel@linux.ibm.com \
    --to=zohar@linux.ibm.com \
    --cc=arnd@arndb.de \
    --cc=dmitry.kasatkin@huawei.com \
    --cc=hpa@zytor.com \
    --cc=initramfs@vger.kernel.org \
    --cc=james.w.mcmechan@gmail.com \
    --cc=kamensky@cisco.com \
    --cc=linux-api@vger.kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-integrity@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=linux@dominikbrodowski.net \
    --cc=rob@landley.net \
    --cc=roberto.sassu@huawei.com \
    --cc=silviu.vlasceanu@huawei.com \
    --cc=takondra@cisco.com \
    --cc=viro@zeniv.linux.org.uk \
    --cc=zohar@linux.vnet.ibm.com \
    /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.