On Friday, 10 February 2017 01:41:26 PM Shawn Webb wrote:
> On Friday, 10 February 2017 06:35:19 PM C. L. Martinez wrote:
> > On Fri, Feb 10, 2017 at 01:27:21PM -0500, Shawn Webb wrote:
> > > On Friday, 10 February 2017 06:15:13 PM C. L. Martinez wrote:
> > > > Hi all,
> > > > 
> > > >  I am trying to create an OpenBSD 6.0 virtual guest under FreeBSD 11
> > > >  bhyve
> > > > 
> > > > server. When I try list cd contents, segmentation faults appears:
> > > > 
> > > > grub-bhyve -d /data/vms/conf/obsdfwwif -m device.map -r cd0 obsdfwwif
> 
> G
> 
> N
> 
> U
> 
> > > > GRUB  version 2.00
> > > > 
> > > >    Minimal BASH-like line editing is supported. For the first word,
> > > >    TAB
> > > > 
> > > > lists possible command completions. Anywhere else TAB lists possible
> > > > device
> > > > or file completions.
> > > > 
> > > > 
> > > > grub>ls
> > > > Segmentation fault
> > > 
> > > Hey C.L. Martinez,
> > > 
> > > This is because grub-bhyve creates memory mappings that are both
> > > writable
> > > and executable, something that is disallowed by default on HardenedBSD.
> > > 
> > > You'll need to add a secadm rule to disable pageexec and mprotect
> > > restrictions for grub-bhyve. You can find a sample rule here:
> > > 
> > > https://github.com/HardenedBSD/secadm-rules/blob/master/grub-bhyve.rule
> > > 
> > > Thanks,
> > 
> > Thanks Shawn, but it is a FreeBSD-11 RELEASE test laptop :( .... But I am
> > doing some tests with linux also, and it seems that it has some problem
> > with memory according memtest says ...
> 
> Your kldstat output leads me to believe you're running HardenedBSD as the
> host OS (the addresses being 0x0).
> 
> What is the output of `uname -a`?
> 
> Thanks,

Follow-up to mailing list: issue resolved with reporter privately.

-- 
Shawn Webb
Cofounder and Security Engineer
HardenedBSD

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