Re: [Qemu-devel] [PATCH] seccomp: "-sandbox on" won't kill Qemu when option not built in

[Paul Moore]

On Tuesday, December 10, 2013 04:48:54 PM Lucas Meneghel Rodrigues wrote:
> On 12/10/2013 01:20 AM, Corey Bryant wrote:
> >>> IMHO the test suite should probe to see if sandbox is working or not,
> >>> and
> >>> just not use the "-sandbox on" arg if the host doesn't support it.
> >> 
> >> But I think this could be done on virt-test as well :)
> > 
> > This would make sense.
> > 
> > Although it sounds like Lucas was looking for an error message when
> > seccomp kills qemu.  Maybe virt-test could grep the audit log for the
> > existence of a "type=SECCOMP" record within the test's time of
> > execution, and issue a message based on that.
> 
> It's a valid idea. The problem I see with it is that not every distro
> out there uses SELinux. Not getting into the merits of whether they
> should, ideally it'd be nice to have this working on distros that won't
> use SELinux.

Minor point of clarification, but audit and SELinux and independent subsystems 
in the kernel.

Also, and I don't have a non-audit kernel built at the moment to verify this, 
but on non-audit kernels the audit messages should be sent to syslog so you 
*should* still be able to search for SECCOMP records regardless.

-- 
paul moore
security and virtualization @ redhat