On 01/07/2015 12:58 AM, Rusty Russell wrote:
Kees Cook <keescook(a)chromium.org> writes:
> On Sun, Jan 4, 2015 at 8:28 PM, Rusty Russell <rusty(a)rustcorp.com.au> wrote:
>> Kees, as far as I can tell you need another 0-terminated vmlinux.relocs
>> section for weak symbols. These should not be relocated if already 0.
> A few questions:
> Why doesn't this break on 32-bit without kASLR? 32-bit does relocation
> by default, even without CONFIG_RANDOMIZE_BASE.
Well, the offset was 0 until I removed CONFIG_HIBERNATE.
> Are there any symbols that are NULL that aren't weak? I'd expect all
> strong symbols to have non-zero offsets, but I must be
> misunderstanding something here.
I don't think there would be. Anyway, you might be able to filter them
out in x86/tools/relocs itself.
Did you had time to look at the problem ?