qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: "Daniel P. Berrangé" <berrange@redhat.com>
To: Cornelia Huck <cohuck@redhat.com>
Cc: "Kevin Wolf" <kwolf@redhat.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"QEMU Developers" <qemu-devel@nongnu.org>,
	"Christian Schoenebeck" <qemu_oss@crudebyte.com>,
	"Michael Roth" <mdroth@linux.vnet.ibm.com>,
	"P J P" <ppandit@redhat.com>, "Greg Kurz" <groug@kaod.org>,
	"Stefan Hajnoczi" <stefanha@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: Re: [PATCH 1/1] MAINTAINERS: introduce cve or security quotient field
Date: Thu, 16 Jul 2020 09:36:54 +0100	[thread overview]
Message-ID: <20200716083654.GA227735@redhat.com> (raw)
In-Reply-To: <20200716085543.7082f047.cohuck@redhat.com>

On Thu, Jul 16, 2020 at 08:55:43AM +0200, Cornelia Huck wrote:
> On Tue, 14 Jul 2020 18:40:11 +0530 (IST)
> P J P <ppandit@redhat.com> wrote:
> 
> <just commenting on this one>
> 
> >  * QEMU would abort(3), if a user attempts to start QEMU with insecure options 
> >    like say -virtfs OR -fda fat:floopy OR -netdev user OR -device tulip ?  
> > 
> >  * One way could be to abort(3) at options parsing stage, if 'security' flag 
> >    is set to high(1) and continue further if it is low(0).
> 
> Failing to start (with a message that explains why) if one of the
> command line options is not covered by a specified security policy is
> not unreasonable (after all, we fail to start for other cases of
> incompatible command line options as well.) However, we also need to
> cover dynamically-added devices. Aborting seems very bad there, just
> failing to add the device seems like what we'd want.

Yep, aborting is simply not an option for the inner code. It all has to
propagate to a proper Error **errp object. The ultimate entry-point
at the CLI vs QMP then decides whether to turn the error into an abort
or feed back to the client app.

Regards,
Daniel
-- 
|: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org         -o-            https://fstop138.berrange.com :|
|: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|



  reply	other threads:[~2020-07-16  8:37 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14  8:36 [PATCH 0/1] MAINTAINERS: add security quotient field P J P
2020-07-14  8:36 ` [PATCH 1/1] MAINTAINERS: introduce cve or " P J P
2020-07-14  9:42   ` Peter Maydell
2020-07-14  9:52     ` Daniel P. Berrangé
2020-07-14 10:12       ` Michael S. Tsirkin
2020-07-14 10:22         ` Peter Maydell
2020-07-14 11:02           ` Michael S. Tsirkin
2020-07-14 13:10             ` P J P
2020-07-16  6:55               ` Cornelia Huck
2020-07-16  8:36                 ` Daniel P. Berrangé [this message]
2020-07-16  9:21                   ` P J P
2020-07-16  9:39                     ` Daniel P. Berrangé
2020-07-16  9:45                     ` Christian Schoenebeck
2020-07-16 10:01                       ` Daniel P. Berrangé
2020-07-16 12:22                         ` Christian Schoenebeck
2020-07-16 12:54                           ` Daniel P. Berrangé
2020-07-14 13:30             ` Daniel P. Berrangé
2020-07-14 13:48               ` Kevin Wolf
2020-07-14 13:56                 ` Thomas Huth
2020-07-14 15:04                   ` Christian Schoenebeck
2020-07-14 14:02                 ` Daniel P. Berrangé
2020-07-14 10:18   ` Philippe Mathieu-Daudé
2020-07-14 11:51   ` Cornelia Huck
2020-07-16  8:56   ` Dr. David Alan Gilbert
2020-07-16  9:44     ` P J P
2020-07-16 10:09       ` Daniel P. Berrangé
2020-07-16 10:43         ` Markus Armbruster
2020-07-14  9:46 ` [PATCH 0/1] MAINTAINERS: add " Michael S. Tsirkin

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=20200716083654.GA227735@redhat.com \
    --to=berrange@redhat.com \
    --cc=cohuck@redhat.com \
    --cc=groug@kaod.org \
    --cc=kwolf@redhat.com \
    --cc=mdroth@linux.vnet.ibm.com \
    --cc=mst@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=peter.maydell@linaro.org \
    --cc=philmd@redhat.com \
    --cc=ppandit@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu_oss@crudebyte.com \
    --cc=sstabellini@kernel.org \
    --cc=stefanha@redhat.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).