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Re: [PATCH 3.16 289/305] netfilter: x_tables: validate targets of jumps

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Ben Hutchings <ben@decadent.org.uk> wrote:
> On Sat, 2016-08-13 at 20:30 +0200, Florian Westphal wrote:
> > > Ben Hutchings <ben@decadent.org.uk> wrote:
> > > 
> > > 3.16.37-rc1 review patch.  If anyone has any objections, please let me know.
> > > 
> > > ------------------
> > > 
> > > > > From: Florian Westphal <fw@strlen.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?

Depends on what your focus is for 3.16.

If your focus is to better not break anything I would just drop
this patch and apply it for the next round with the fix
(f4dc77713f8016d2e8a3295e1c9c53a21f296def) on top once it had more
soak time.

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Re: [PATCH 3.16 289/305] netfilter: x_tables: validate targets of  jumps Florian Westphal <fw@strlen.de> - 2016-08-14 13:20 +0200
  Re: [PATCH 3.16 289/305] netfilter: x_tables: validate targets of  jumps Florian Westphal <fw@strlen.de> - 2016-08-14 15:20 +0200
    Re: [PATCH 3.16 289/305] netfilter: x_tables: validate targets of  jumps Ben Hutchings <ben@decadent.org.uk> - 2016-08-17 02:30 +0200
  Re: [PATCH 3.16 289/305] netfilter: x_tables: validate targets of  jumps Ben Hutchings <ben@decadent.org.uk> - 2016-08-14 20:10 +0200

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