Messages in this thread | | | Date | Mon, 14 Oct 2013 13:47:19 -0700 | Subject | Re: [tip:x86/kaslr] x86, relocs: Add more per-cpu gold special cases | From | Kees Cook <> |
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On Mon, Oct 14, 2013 at 9:28 AM, H. Peter Anvin <hpa@zytor.com> wrote: > On 10/14/2013 07:19 AM, H. Peter Anvin wrote: >> My guess is that the 95 addresses are randomized and the 82 address is an address which failed to relocate. > >> ffffffff82a04a58 is: >> ffffffff82a03000 t init_per_cpu__gdt_page > > > Specifically, it looks like the percpu stuff isn't getting set up correctly.
It wouldn't surprise me if there are even more percpu things to fix. It's the main area we've continued to trip over while working on this with various linkers. Which linker and version are you seeing this with?
-Kees
-- Kees Cook Chrome OS Security
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