Re: [PATCH 26/26] x86, pkeys: Documentation

From: Dave Hansen
Date: Thu Oct 01 2015 - 18:39:08 EST


On 10/01/2015 03:35 PM, Kees Cook wrote:
> On Thu, Oct 1, 2015 at 3:33 PM, Dave Hansen <dave@xxxxxxxx> wrote:
>> On 10/01/2015 01:39 PM, Kees Cook wrote:
>>> On Thu, Oct 1, 2015 at 4:17 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>>>> So could we try to add an (opt-in) kernel option that enables this transparently
>>>> and automatically for all PROT_EXEC && !PROT_WRITE mappings, without any
>>>> user-space changes and syscalls necessary?
>>>
>>> I would like this very much. :)
>>
>> Here it is in a quite fugly form (well, it's not opt-in). Init crashes
>> if I boot with this, though.
>
> *laugh* Okay... well, we've got some work to do, I guess. :)
>
> (And which init?)

systemd for better or worse.

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