> -----Original Message----- > From: Daniel Micay [mailto:danielmi...@gmail.com] > Sent: Thursday, August 4, 2016 9:53 AM > To: kernel-harden...@lists.openwall.com; ja...@lakedaemon.net; linux- > m...@vger.kernel.org; linux-kernel@vger.kernel.org; akpm@linux- > foundation.org > Cc: keesc...@chromium.org; gre...@linuxfoundation.org; n...@google.com; > je...@google.com; saly...@android.com; dcash...@android.com > Subject: Re: [kernel-hardening] [PATCH] [RFC] Introduce mmap randomization > > On Tue, 2016-07-26 at 11:22 -0700, william.c.robe...@intel.com wrote: > > The recent get_random_long() change in get_random_range() and then the > > subsequent patches Jason put out, all stemmed from my tinkering with > > the concept of randomizing mmap. > > > > Any feedback would be greatly appreciated, including any feedback > > indicating that I am idiot. > > The RAND_THREADSTACK feature in grsecurity makes the gaps the way I think > would be ideal, i.e. tracked as part of the appropriate VMA. It would be > straightforward to make it more general purpose.
I am not familiar with that, thanks for pointing it out. I'll take a look when my time frees up for this again.
