netdev - Re: regression when connecting to ipv6 localhost

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Message-ID: <1350406522.3954.1242.camel@edumazet-glaptop>
Date:	Tue, 16 Oct 2012 18:55:22 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jan Hinnerk Stosch <janhinnerk.stosch@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: regression when connecting to ipv6 localhost

On Tue, 2012-10-16 at 18:43 +0200, Eric Dumazet wrote:
> On Tue, 2012-10-16 at 18:07 +0200, Jan Hinnerk Stosch wrote:
> > 2012/10/15 Jan Hinnerk Stosch <janhinnerk.stosch@...il.com>:
> > >
> > > Yes. Attached..
> > 
> > Today I read about the existence of the "git bisect" function and if I
> > have not done anything wrong the "bad commit" which lead to this
> > regression is ddbe503203855939946430e39bae58de11b70b69.
> > Perhaps this can help you.
> 
> Interesting, I was about to ask you to do a bisection ;)
> 
> So the hash value of ::1 was changed, and it has bad effect on your
> machine...
> 
> Could it be hash collision and an old bug being uncovered ?
> 
> Could you trace inet6_addr_hash() a bit ?

Dont bother, I found the bug. Its related to network namespaces

I'll send a fix asap.

Thanks !



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