[PATCH v4 0/10] split ET_DYN ASLR from mmap ASLR
mingo at kernel.org
Wed Mar 4 13:54:37 PST 2015
* Kees Cook <keescook at chromium.org> wrote:
> To address the "offset2lib" ASLR weakness, this separates ET_DYN
> ASLR from mmap ASLR, as already done on s390. The architectures
> that are already randomizing mmap (arm, arm64, mips, powerpc, s390,
> and x86), have their various forms of arch_mmap_rnd() made available
> via the new CONFIG_ARCH_HAS_ELF_RANDOMIZE. For these architectures,
> arch_randomize_brk() is collapsed as well.
> This is an alternative to the solutions in:
> I've been able to test x86 and arm, and the buildbot (so far) seems
> happy with building the rest.
Ok, this looks really good - for all patches:
Reviewed-by: Ingo Molnar <mingo at kernel.org>
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