On Tue, Dec 03, 2019 at 12:59:18PM -0800, Ryan Libby wrote:
R> > If I understand the change correct, now items from UMA_ZONE_NOFREE zones
R> > will be trashed, too. That would undermine purpose of UMA_ZONE_NOFREE.
R> > Of course the flag is a hack, but some systems rely on it working.
R> >
R> The i
On Tue, Dec 3, 2019 at 1:12 PM Ian Lepore wrote:
>
> On Tue, 2019-12-03 at 12:59 -0800, Ryan Libby wrote:
> > > +* XXX UMA_ZONE_OFFPAGE.
>
> All over freebsd we have cryptic XXX comments that have no meaning to
> anyone except whoever wrote them (and, I suspect, no meaning to those
> peopl
On Tue, 2019-12-03 at 12:59 -0800, Ryan Libby wrote:
> > +* XXX UMA_ZONE_OFFPAGE.
All over freebsd we have cryptic XXX comments that have no meaning to
anyone except whoever wrote them (and, I suspect, no meaning to those
people either after a couple months have elapsed).
To the degree th
On Tue, Dec 3, 2019 at 12:43 PM Gleb Smirnoff wrote:
>
> Ryan,
>
> On Wed, Nov 27, 2019 at 07:49:56PM +, Ryan Libby wrote:
> R> Author: rlibby
> R> Date: Wed Nov 27 19:49:55 2019
> R> New Revision: 355137
> R> URL: https://svnweb.freebsd.org/changeset/base/355137
> R>
> R> Log:
> R> uma: t
Ryan,
On Wed, Nov 27, 2019 at 07:49:56PM +, Ryan Libby wrote:
R> Author: rlibby
R> Date: Wed Nov 27 19:49:55 2019
R> New Revision: 355137
R> URL: https://svnweb.freebsd.org/changeset/base/355137
R>
R> Log:
R> uma: trash memory when ctor/dtor supplied too
R>
R> On INVARIANTS kernels,
Author: rlibby
Date: Wed Nov 27 19:49:55 2019
New Revision: 355137
URL: https://svnweb.freebsd.org/changeset/base/355137
Log:
uma: trash memory when ctor/dtor supplied too
On INVARIANTS kernels, UMA has a use-after-free detection mechanism.
This mechanism previously required that all of t