Re: [stable] bpf: add bpf_jit_limit knob to restrict unpriv allocations

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On Thu, 2019-05-30 at 10:31 -0700, Greg Kroah-Hartman wrote:
> On Thu, May 30, 2019 at 06:18:00PM +0100, Ben Hutchings wrote:
> > On Mon, 2019-05-27 at 22:55 +0100, Ben Hutchings wrote:
> > > Please consider backporting this commit to 4.19-stable:
> > > 
> > > commit ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3
> > > Author: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
> > > Date:   Tue Oct 23 01:11:04 2018 +0200
> > > 
> > >     bpf: add bpf_jit_limit knob to restrict unpriv allocations
> > > 
> > > No other stable branches are affected by the issue.
> > 
> > Actually that's wrong; the commit introducing this was backported to
> > 4.4, 4.9, and 4.14.  I haven't yet checked whether this fix applies
> > cleanly to them.
> 
> It doesn't apply cleanly to those trees :(

OK, then I'll try backporting it at some point.

Ben.

-- 
Ben Hutchings, Software Developer                         Codethink Ltd
https://www.codethink.co.uk/                 Dale House, 35 Dale Street
                                     Manchester, M1 2HF, United Kingdom



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