Re: [GIT PULL] x86/kaslr for v3.14

From: H. Peter Anvin
Date: Tue Jan 21 2014 - 09:21:29 EST

On 01/21/2014 01:00 AM, Peter Zijlstra wrote:
>> So this is presumably something that needs to be fixed in perf?
> Where do we learn about the offset from userspace?

Now this is tricky... if this offset is too easy to get it completely
defeats kASLR. On the other hand, I presume that if we are exporting
/proc/kcore we're not secure anyway. Kees, I assume that in "secure"
mode perf annotations simply wouldn't work anyway?


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