Re: [kernel-hardening] [PATCH v2 1/1] powerpc: mm: support ARCH_MMAP_RND_BITS

Hi Michael, On Tue, Feb 7, 2017 at 7:57 AM, Michael Ellerman wrote: > Bhupesh Sharma writes: > >> powerpc: arch_mmap_rnd() uses hard-coded values, (23-PAGE_SHIFT) for >> 32-bit and (30-PAGE_SHIFT) for 64-bit, to generate the random offset >> for the

Re: [kernel-hardening] [PATCH v2 1/1] powerpc: mm: support ARCH_MMAP_RND_BITS

Bhupesh Sharma writes: > powerpc: arch_mmap_rnd() uses hard-coded values, (23-PAGE_SHIFT) for > 32-bit and (30-PAGE_SHIFT) for 64-bit, to generate the random offset > for the mmap base address. > > This value represents a compromise between increased > ASLR effectiveness and