linux-kernel - Re: 2.6.18-rc4-mm3: BUG: warning at include/net/dst.h:154/dst

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Message-Id: <200608291706.k7TH6ukf003997@turing-police.cc.vt.edu>
Date:	Tue, 29 Aug 2006 13:06:56 -0400
From:	Valdis.Kletnieks@...edu
To:	Frederik Deweerdt <deweerdt@...e.fr>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	vnuorval@....hut.fi, davem@...emloft.net
Subject: Re: 2.6.18-rc4-mm3: BUG: warning at include/net/dst.h:154/dst_release()

On Tue, 29 Aug 2006 18:19:36 -0000, Frederik Deweerdt said:
> On Tue, Aug 29, 2006 at 10:25:07AM -0400, Valdis.Kletnieks@...edu wrote:
> > Seeing this a lot on 2.6.18-rc4-mm3 with 2 different stack tracebacks
> > (one for received packets, other for sending).  I already picked up the
> > fix for the ^ / confusion in fib_rules.c and that didn't help matters.
> > 
> Hi,
> 
> I'm not familiary with net code, but willing to help :). It looks like
> the fib6_rule_lookup function is increasing dst.__refcnt in one code
> path and not the other. Does the (untested) attached patch help?

Not taking a ref it should is probably a bug, but it doesn't fix the
problem I'm seeing, sorry....

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