On Tue, Jul 24, 2018 at 06:44:52AM +0200, Martin Husemann wrote: > On Mon, Jul 23, 2018 at 11:02:04PM +0200, Kamil Rytarowski wrote: > > We need to maintain a function to translate certain ranges to > > shadow/meta/origin/etc. We cannot map arbitrarily wide ranges to them. > > Can we extend the pax note (or create a new one) and make the sanitizers > link that in? Then make the kernel reserve some (random) VA spaces > (details of what is needed in the note) and provide some way for the > sanitizers to find that special VAs (like from the aux vector)?
Yes, all sanitized binaries should contain a note if they require certain fixed mappings to be reserved. I don't think there is *any* need to disable ASLR beyond that. Joerg
