[Ksummit-discuss] security-related TODO items?
gregungerer at westnet.com.au
Mon Jan 23 23:26:03 UTC 2017
On 24/01/17 06:36, David Howells wrote:
> Andy Lutomirski <luto at amacapital.net> wrote:
>>> (6) NOMMU could be particularly tricky. For ELF-FDPIC at least, the stack
>>> size is set in the binary. OTOH, you wouldn't have to relocate the
>>> pre-loader - you'd just mmap it MAP_PRIVATE and execute in place.
>> For nommu, forget about it.
> Why? If you do that, you have to have bimodal binfmts. Note that the
> ELF-FDPIC binfmt, at least, can be used for both MMU and NOMMU environments.
> This may also be true of FLAT.
It is true for FLAT as well, they can run on both MMU an noMMU.
More information about the Ksummit-discuss