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Groups > linux.kernel > #1621459

Re: [PATCH] mm: Add additional consistency check

From Christoph Lameter <cl@linux.com>
Newsgroups linux.kernel
Subject Re: [PATCH] mm: Add additional consistency check
Date 2017-04-11 18:30 +0200
Message-ID <tv6Q3-Us-23@gated-at.bofh.it> (permalink)
References (8 earlier) <tv4ld-7FU-35@gated-at.bofh.it> <tv4Oe-85I-27@gated-at.bofh.it> <tv4XU-8aE-23@gated-at.bofh.it> <tv6Gm-QX-17@gated-at.bofh.it> <tv6Gm-QX-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, 11 Apr 2017, Kees Cook wrote:

> It seems that enabling the debug checks comes with a non-trivial
> performance impact. I'd like to see consistency checks by default so
> we can handle intentional heap corruption attacks better. This check
> isn't expensive...

Its in a very hot code and frequently used code path.

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Thread

Re: [PATCH] mm: Add additional consistency check Kees Cook <keescook@chromium.org> - 2017-04-11 07:00 +0200
  Re: [PATCH] mm: Add additional consistency check Michal Hocko <mhocko@kernel.org> - 2017-04-11 15:50 +0200
    Re: [PATCH] mm: Add additional consistency check Kees Cook <keescook@chromium.org> - 2017-04-11 16:20 +0200
      Re: [PATCH] mm: Add additional consistency check Michal Hocko <mhocko@kernel.org> - 2017-04-11 16:30 +0200
        Re: [PATCH] mm: Add additional consistency check Kees Cook <keescook@chromium.org> - 2017-04-11 18:10 +0200
        Re: [PATCH] mm: Add additional consistency check Kees Cook <keescook@chromium.org> - 2017-04-11 18:20 +0200
          Re: [PATCH] mm: Add additional consistency check Christoph Lameter <cl@linux.com> - 2017-04-11 18:30 +0200
          Re: [PATCH] mm: Add additional consistency check Christoph Lameter <cl@linux.com> - 2017-04-11 18:30 +0200
            Re: [PATCH] mm: Add additional consistency check Kees Cook <keescook@chromium.org> - 2017-04-11 18:40 +0200
        Re: [PATCH] mm: Add additional consistency check Christoph Lameter <cl@linux.com> - 2017-04-11 18:20 +0200
          Re: [PATCH] mm: Add additional consistency check Michal Hocko <mhocko@kernel.org> - 2017-04-11 18:50 +0200
            Re: [PATCH] mm: Add additional consistency check Christoph Lameter <cl@linux.com> - 2017-04-11 20:10 +0200
              Re: [PATCH] mm: Add additional consistency check Michal Hocko <mhocko@kernel.org> - 2017-04-11 20:40 +0200
                Re: [PATCH] mm: Add additional consistency check Christoph Lameter <cl@linux.com> - 2017-04-11 20:50 +0200
                Re: [PATCH] mm: Add additional consistency check Michal Hocko <mhocko@kernel.org> - 2017-04-11 21:00 +0200
                Re: [PATCH] mm: Add additional consistency check Christoph Lameter <cl@linux.com> - 2017-04-11 21:00 +0200
                Re: [PATCH] mm: Add additional consistency check Michal Hocko <mhocko@kernel.org> - 2017-04-11 21:40 +0200
                Re: [PATCH] mm: Add additional consistency check Christoph Lameter <cl@linux.com> - 2017-04-17 17:30 +0200
                Re: [PATCH] mm: Add additional consistency check Michal Hocko <mhocko@kernel.org> - 2017-04-18 08:50 +0200
                Re: [PATCH] mm: Add additional consistency check Christoph Lameter <cl@linux.com> - 2017-04-18 15:40 +0200
                Re: [PATCH] mm: Add additional consistency check Christoph Lameter <cl@linux.com> - 2017-04-18 15:40 +0200

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