On Thu, Oct 1, 2015 at 3:33 PM, Dave Hansen <dave@xxxxxxxx> wrote: > On 10/01/2015 01:39 PM, Kees Cook wrote: >> On Thu, Oct 1, 2015 at 4:17 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote: >>> So could we try to add an (opt-in) kernel option that enables this transparently >>> and automatically for all PROT_EXEC && !PROT_WRITE mappings, without any >>> user-space changes and syscalls necessary? >> >> I would like this very much. :) > > Here it is in a quite fugly form (well, it's not opt-in). Init crashes > if I boot with this, though. *laugh* Okay... well, we've got some work to do, I guess. :) (And which init?) > I'll see if I can turn it in to a bit more of an opt-in and see what's > actually going wrong. Cool, thanks! -Kees -- Kees Cook Chrome OS Security -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>