[Ksummit-discuss] security-related TODO items?

Greg Ungerer 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.


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