On Fri, Jan 05, 2018 at 10:45:49AM -0800, Andy Lutomirski wrote:
> Not _PAGE_RW. Probably _PAGE_USER somewhere in the hierarchy.
Yeah, just realized that. But it must be somewhere in the PT hierarchy
because:
0xffffffffff600000-0xffffffffff601000 4K USR ro
NX pte
So something up needs to take _PAGE_USER too.
But WTF does it say NX there for and still can execute the vsyscall
test? Oh boy, what a mess...
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
