[FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-18:08.lazyfpu

[Dave Cottlehuber]

On Fri, 14 Sep 2018, at 09:39, Dave Cottlehuber wrote:
> On Wed, 12 Sep 2018, at 07:43, FreeBSD Errata Notices wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA512
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> > =============================================================================
> > FreeBSD-EN-18:08.lazyfpu                                        Errata Notice
> >                                                           The FreeBSD Project
> > 
> > Topic:          LazyFPU remediation causes potential data corruption
> 
> Data Corruption reads a bit like "Imminent SuperNova in Your Area".. I'm
> not really sure what it means for users & sysadmins. Given we've had the
> original lazyfpu patches out for 11.x for a few months[1]:
> 
> - what might data corruption entail?
> - has this been observed in the wild?
> 
> Many thanks for the efforts into making these patches available.
> Dave
> 
> [1]: https://www.freebsd.org/security/advisories/FreeBSD-SA-18:07.lazyfpu.asc

Hi secteam, can you shed any light on the above?

Thanks
Dave