Messages in this thread | | | Date | Wed, 14 Apr 2004 20:30:21 +0200 | From | Kurt Garloff <> | Subject | Re: Non-Exec stack patches |
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On Wed, Apr 14, 2004 at 10:47:02AM +0100, Jamie Lokier wrote: > People looking at PROT_EXEC page table flags might want to be aware > that <asm-um/pgtable.h> mimics the behaviour of i386: read implies and > is implied by exec, write implies read. > > That might mean user-mode linux doesn't provide no-exec-stack > protection even when the underlying kernel does offer it. I'm not sure.
I thought UML only runs on i386. And on i386, you have no NX feature. You can run i386 UML on AMD64 (with 64bit kernel) though.
Regards, -- Kurt Garloff <garloff@suse.de> Cologne, DE SUSE LINUX AG, Nuernberg, DE SUSE Labs (Head) [unhandled content-type:application/pgp-signature] | |