netdev - Re: [PATCH] ipv6: addrconf: fix /proc/net/if

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Message-Id: <20121016.145551.1060498449362372128.davem@davemloft.net>
Date:	Tue, 16 Oct 2012 14:55:51 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	janhinnerk.stosch@...il.com, netdev@...r.kernel.org,
	mihai.maruseac@...il.com
Subject: Re: [PATCH] ipv6: addrconf: fix /proc/net/if_inet6

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 16 Oct 2012 19:37:27 +0200

> From: Eric Dumazet <edumazet@...gle.com>
> 
> Commit 1d5783030a1 (ipv6/addrconf: speedup /proc/net/if_inet6 filling)
> added bugs hiding some devices from if_inet6 and breaking applications.
> 
> "ip -6 addr" could still display all IPv6 addresses, while "ifconfig -a"
> couldnt.
> 
> One way to reproduce the bug is by starting in a shell :
> 
> unshare -n /bin/bash
> ifconfig lo up
> 
> And in original net namespace, lo device disappeared from if_inet6
> 
> Reported-by: Jan Hinnerk Stosch <janhinnerk.stosch@...il.com>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Cc: Mihai Maruseac <mihai.maruseac@...il.com>

Applied and queued up for -stable, thanks.
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