Subject: Re: stable backport for the BPF speculation series? [was: Re: [PATCH bpf v3 0/9] bpf fix to prevent oob under speculation]

From: Greg Kroah-Hartman <[email-masked]>
Date: Wed, 23 Jan 2019 18:04:54 +0100

On Tue, Jan 22, 2019 at 03:36:54PM +0100, Jann Horn wrote:
> On Thu, Jan 3, 2019 at 1:08 AM Alexei Starovoitov
> <[email-masked]> wrote:
> > On Thu, Jan 03, 2019 at 12:58:26AM +0100, Daniel Borkmann wrote:
> > > This set fixes an out of bounds case under speculative execution
> > > by implementing masking of pointer alu into the verifier. For
> > > details please see the individual patches.
> > >
> > > Thanks!
> > >
> > > v2 -> v3:
> > >   - 8/9: change states_equal condition into old->speculative &&
> > >     !cur->speculative, thanks Jakub!
> > >   - 8/9: remove incorrect speculative state test in
> > >     propagate_liveness(), thanks Jakub!
> > > v1 -> v2:
> > >   - Typo fixes in commit msg and a comment, thanks David!
> >
> > Applied, Thanks
> 
> This series and the followup fix ("bpf: fix sanitation of alu op with
> pointer / scalar type from different paths") have been in Linus' tree
> for six days, but from what I can tell, they aren't queued up for
> stable yet.

What are the git commit ids of the patches you think should be
backported?

thanks,

greg k-h