linux-kernel - Re: [PATCH 3.16 289/305] netfilter: x

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Message-ID: <1471114295.13300.22.camel@decadent.org.uk>
Date:	Sat, 13 Aug 2016 19:51:35 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Florian Westphal <fw@...len.de>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	akpm@...ux-foundation.org, Pablo Neira Ayuso <pablo@...filter.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH 3.16 289/305] netfilter: x_tables: validate targets of
 jumps

On Sat, 2016-08-13 at 20:30 +0200, Florian Westphal wrote:
> > Ben Hutchings <ben@...adent.org.uk> wrote:
> > 
> > 3.16.37-rc1 review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > > > From: Florian Westphal <fw@...len.de>
> > 
> > commit 36472341017529e2b12573093cc0f68719300997 upstream.
> 
> [..]
> 
> > 
> > The extra overhead is negible, even with absurd cases.
> 
> Not true, the overhead is huge and increases restore time for
> large rulesets from mere seconds to minutes, see
> 
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f4dc77713f8016d2e8a3295e1c9c53a21f296def

So do you think I should add that to this update or defer the netfilter
changes to the next update?

Ben.

-- 
Ben Hutchings
Everything should be made as simple as possible, but not simpler.
                                                           - Albert
Einstein

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