Re: [RFC PATCH v3 13/13] kasan: introduce inline instrumentation

From: Dmitry Vyukov
Date: Mon Sep 29 2014 - 10:28:32 EST


On Fri, Sep 26, 2014 at 9:33 PM, Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx> wrote:
> 2014-09-26 21:18 GMT+04:00 Dmitry Vyukov <dvyukov@xxxxxxxxxx>:
>>
>> Yikes!
>> So this works during bootstrap, for user memory accesses, valloc
>> memory, etc, right?
>>
>
> Yes, this works. Userspace memory access in instrumented code will
> produce general protection fault,
> so it won't be unnoticed.


Great!
What happens during early bootstrap when shadow is not mapped yet?
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