On Mon, Mar 10, 2014 at 12:06 PM, Andrew Morton
<a...@linux-foundation.org> wrote:
> On Fri, 7 Mar 2014 17:00:23 -0800 Kees Cook <keesc...@chromium.org> wrote:
>> Handles 0-based per_cpu variables as being absolute so they are
>> not relocated under kASLR on x86_64.
>
> Would it be prudent to revert 0f55159d091cb1e5 ("kallsyms: fix absolute
> addresses for kASLR") then sort all this out for 3.15?
My opinion is that if it breaks a real-life case (avr32), it should be
reverted. The only people affected by the kallsyms per_cpu relocation
reporting bug are those using kASLR on x86, and even then the bug is a
corner case on live kernel debugging.
I am fine either way.
-Kees
--
Kees Cook
Chrome OS Security
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