Linux Container Development
 help / color / mirror / Atom feed
From: Daniel Lezcano <daniel.lezcano@free.fr>
To: Atis Elsts <atis@mikrotik.com>
Cc: netdev@vger.kernel.org, containers@lists.osdl.org
Subject: Re: Adding bridge interface to non-default network namespace crashes kernel
Date: Tue, 08 Sep 2009 10:40:44 +0200	[thread overview]
Message-ID: <4AA6188C.1070806@free.fr> (raw)
In-Reply-To: <200909071807.54511.atis@mikrotik.com>

Atis Elsts wrote:
> Trying to add bridge interface from userspace program, after moving the 
> program to a new network namespace, causes kernel to crash. I am using latest 
> kernel version from git (2.6.31-rc9).
> The bug is easy to reproduce - just compile and run the attached C program.
>
> I see that bridge interface has NETIF_F_NETNS_LOCAL flag, but as I understand, 
> this flag simply means that a device cannot be *moved* across network 
> namespaces, not that it cannot be *created* in other namespaces.
>   
Yep, very easy to reproduce :/
The sysfs has not been disabled for the bridge. I will try to fix it as 
soon as I can.

Thanks
  -- Daniel

      reply	other threads:[~2009-09-08  8:40 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-07 15:07 Adding bridge interface to non-default network namespace crashes kernel Atis Elsts
2009-09-08  8:40 ` Daniel Lezcano [this message]

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=4AA6188C.1070806@free.fr \
    --to=daniel.lezcano@free.fr \
    --cc=atis@mikrotik.com \
    --cc=containers@lists.osdl.org \
    --cc=netdev@vger.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox