On 09/25/2015 12:22 AM, Ingo Molnar wrote:
>>
>> To me it looks like another alignment/padding issue like got fixed
>> before. The space between __ex_table and rodata is (seems?) unused, so
>> the default page table permissions end up being W+X. Can we fix the
>> default to be NX instead? It'll make these bugs stay gone.
>
> Yeah. Wanna send a patch for that?
>
At least in the high mapping space, the default should be no permissions
(not present), rather than just NX.
-hpa
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