[RFC PATCH v2 0/2] Randomization of address chosen by mmap.
akpm at linux-foundation.org
Fri Mar 23 07:57:29 AEDT 2018
On Thu, 22 Mar 2018 19:36:36 +0300 Ilya Smith <blackzert at gmail.com> wrote:
> Current implementation doesn't randomize address returned by mmap.
> All the entropy ends with choosing mmap_base_addr at the process
> creation. After that mmap build very predictable layout of address
> space. It allows to bypass ASLR in many cases.
Perhaps some more effort on the problem description would help. *Are*
people predicting layouts at present? What problems does this cause?
How are they doing this and are there other approaches to solving the
Mainly: what value does this patchset have to our users? This reader
is unable to determine that from the information which you have
provided. Full details, please.
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