Messages in this thread | | | Date | Thu, 24 Apr 2014 10:50:16 +0800 | From | Dave Young <> | Subject | Re: kaslr should avoid setup_data region |
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On 04/23/14 at 07:43pm, Kees Cook wrote: > On Wed, Apr 23, 2014 at 7:35 PM, Dave Young <dyoung@redhat.com> wrote: > > Hello Kees > > > > I'm worrying that setup_data regions could be overwitten by randomize > > kernel base. Would you like to fix it in kaslr code? > > > > One problem is there could be a lot of setup_data regions but current > > mem_avoid is an fixed array. > > Sure, can you give me some examples? Seems like it shouldn't be too > hard to have the mem_avoid logic walk additional areas.
Great, To walk through the list just like the function parse_setup_data in arch/x86/kernel/setup.c
Thanks Dave
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