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Groups > linux.kernel > #1624703

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 2017-04-17 17:30 +0200
Message-ID <txgLf-2iD-7@gated-at.bofh.it> (permalink)
References (6 earlier) <tv8RQ-2eB-17@gated-at.bofh.it> <tv91w-2ie-19@gated-at.bofh.it> <tv9bc-2lS-5@gated-at.bofh.it> <tv9bc-2lS-11@gated-at.bofh.it> <tv9NU-2Ow-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, 11 Apr 2017, Michal Hocko wrote:

> On Tue 11-04-17 13:59:44, Cristopher Lameter wrote:
> > On Tue, 11 Apr 2017, Michal Hocko wrote:
> >
> > > I didn't say anything like that. Hence the proposed patch which still
> > > needs some more thinking and evaluation.
> >
> > This patch does not even affect kfree().
>
> Ehm? Are we even talking about the same thing? The whole discussion was
> to catch invalid pointers to _kfree_ and why BUG* is not the best way to
> handle that.

The patch does not do that. See my review. Invalid points to kfree are
already caught with a bug on. See kfree in mm/slub.c

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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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