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Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS.

From Daniel Cashman <dcashman@android.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS.
Date 2015-11-04 19:40 +0100
Message-ID <qrb8u-449-9@gated-at.bofh.it> (permalink)
References <qqOlA-6kC-27@gated-at.bofh.it> <qqOlB-6kC-33@gated-at.bofh.it> <qqPrk-6ZQ-19@gated-at.bofh.it> <qqT1U-RQ-19@gated-at.bofh.it> <qqTbz-V1-17@gated-at.bofh.it>
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On 11/3/15 3:21 PM, Kees Cook wrote:
> On Tue, Nov 3, 2015 at 3:14 PM, Daniel Cashman <dcashman@android.com> wrote:
>> On 11/03/2015 11:19 AM, Kees Cook wrote:
>>> Do you have patches for x86 and arm64?
>>
>> I was holding off on those until I could gauge upstream reception.  If
>> desired, I could put those together and add them as [PATCH 3/4] and
>> [PATCH 4/4].
> 
> If they're as trivial as I'm hoping, yeah, let's toss them in now. If
> not, skip 'em. PowerPC, MIPS, and s390 should be relatively simple
> too, but one or two of those have somewhat stranger calculations when
> I looked, so their Kconfigs may not be as clean.

Creating the patches should be simple, it's the choice of minimum and
maximum values for each architecture that I'd be most concerned about.
I'll put them together, though, and the ranges can be changed following
discussion with those more knowledgeable, if needed.  I also don't have
devices on which to test the PowerPC, MIPS and s390 changes, so I'll
need someone's help for that.

Thank You,
Dan

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[PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base ASLR. Daniel Cashman <dcashman@android.com> - 2015-11-03 19:20 +0100
  [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Daniel Cashman <dcashman@android.com> - 2015-11-03 19:20 +0100
    Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Kees Cook <keescook@chromium.org> - 2015-11-03 20:30 +0100
      Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-11-03 23:40 +0100
        Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Kees Cook <keescook@chromium.org> - 2015-11-04 00:20 +0100
          Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Daniel Cashman <dcashman@android.com> - 2015-11-04 19:30 +0100
      Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Daniel Cashman <dcashman@android.com> - 2015-11-04 00:20 +0100
        Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Kees Cook <keescook@chromium.org> - 2015-11-04 00:30 +0100
          Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Daniel Cashman <dcashman@android.com> - 2015-11-04 19:40 +0100
            Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Daniel Cashman <dcashman@android.com> - 2015-11-05 19:50 +0100
              Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Kees Cook <keescook@chromium.org> - 2015-11-06 22:00 +0100
                Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Michael Ellerman <mpe@ellerman.id.au> - 2015-11-09 04:50 +0100
                Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Daniel Cashman <dcashman@android.com> - 2015-11-09 20:00 +0100
                Re: [PATCH v2 2/2] arm: mm: support ARCH_MMAP_RND_BITS. Kees Cook <keescook@chromium.org> - 2015-11-09 22:30 +0100
  Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base ASLR. Kees Cook <keescook@chromium.org> - 2015-11-03 20:20 +0100
  Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base  ASLR. Andrew Morton <akpm@linux-foundation.org> - 2015-11-04 01:10 +0100
    Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base ASLR. ebiederm@xmission.com (Eric W. Biederman) - 2015-11-04 01:50 +0100
      Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base  ASLR. Andrew Morton <akpm@linux-foundation.org> - 2015-11-04 02:30 +0100
        Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base  ASLR. Daniel Cashman <dcashman@android.com> - 2015-11-04 20:40 +0100
          Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base  ASLR. Andrew Morton <akpm@linux-foundation.org> - 2015-11-04 23:10 +0100
          Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base ASLR. ebiederm@xmission.com (Eric W. Biederman) - 2015-11-04 23:30 +0100
            Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base ASLR. Kees Cook <keescook@chromium.org> - 2015-11-04 23:40 +0100
  Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base  ASLR. Michal Hocko <mhocko@kernel.org> - 2015-11-04 10:50 +0100
    Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base ASLR. ebiederm@xmission.com (Eric W. Biederman) - 2015-11-04 20:40 +0100
      Re: [PATCH v2 1/2] mm: mmap: Add new /proc tunable for mmap_base  ASLR. Daniel Cashman <dcashman@android.com> - 2015-11-04 20:40 +0100

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