linux-kernel - Re: net: prevent of emerging cross-namespace symlinks patches for 3.14

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Date:	Wed, 14 Jan 2015 13:07:46 -0800
From:	Greg KH <greg@...ah.com>
To:	Miquel van Smoorenburg <mikevs@...all.net>
Cc:	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: Re: net: prevent of emerging cross-namespace symlinks patches for
 3.14

On Wed, Jan 14, 2015 at 09:32:01PM +0100, Miquel van Smoorenburg wrote:
> When running 'lxc' on the latest -stable kernel, 3.14.28, I'm seeing these
> errors:
> 
> Jan 14 17:47:16 lxc2 kernel: [   10.704890] WARNING: CPU: 0 PID: 3209 at
> fs/sys
> fs/dir.c:52 sysfs_warn_dup+0x8c/0xb0()
> Jan 14 17:47:16 lxc2 kernel: [   10.704892] sysfs: cannot create duplicate
> filename '/devices/virtual/net/eth0.104/upper_eth0'
> Jan 14 17:47:16 lxc2 kernel: [   10.704954] CPU: 0 PID: 3209 Comm:
> lxc-autostart Not tainted 3.14.28-xsserver #1
> 
> I did not see these errors in 3.12. This was fixed in 3.17 by:
> 
> net: prevent of emerging cross-namespace symlinks
> https://github.com/torvalds/linux/commit/4c75431ac3520631f1d9e74aa88407e6374dbbc4
> 
> net: fix creation adjacent device symlinks
> https://github.com/torvalds/linux/commit/7ce64c79c4decdeb1afe0bf2f6ef834b382871d1
> 
> These patches apply cleanly to 3.14.28. I think this should go into
> 3.14-stable.

For networking patches, can you cc: netdev and get an ack from the
networking maintainer for me to be able to apply them?

thanks,

greg k-h
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