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Re: [kernel-hardening] Re: [PATCH] checkpatch: Add ability to find bad uses of vsprintf %p<foo> extensions

From Joe Perches <joe@perches.com>
Newsgroups linux.kernel
Subject Re: [kernel-hardening] Re: [PATCH] checkpatch: Add ability to find bad uses of vsprintf %p<foo> extensions
Date 2017-03-01 02:30 +0100
Message-ID <tg1fz-3Wb-1@gated-at.bofh.it> (permalink)
References <tfwls-86h-13@gated-at.bofh.it> <tfAyL-2v1-33@gated-at.bofh.it> <tg09Q-3hb-7@gated-at.bofh.it> <tg09Q-3hb-13@gated-at.bofh.it>
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On Tue, 2017-02-28 at 16:11 -0800, Kees Cook wrote:
> On Tue, Feb 28, 2017 at 4:06 PM, Andrew Morton
> <akpm@linux-foundation.org> wrote:
> > On Mon, 27 Feb 2017 12:54:55 -0800 Joe Perches <joe@perches.com> wrote:
> > 
> > > %pK was at least once misused at %pk in an out-of-tree module.
> > > This lead to some security concerns.  Add the ability to track
> > > single and multiple line statements for misuses of %p<foo>.
> > 
> > Should we also do this?
> 
> Ah yes, good idea. Maybe "...when adding/removing new conversion..." ?

Deleting conversions seems unlikely.

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RE: [PATCH] checkpatch: add warning on %pk instead of %pK usage "Roberts, William C" <william.c.roberts@intel.com> - 2017-02-13 20:50 +0100
  Re: [PATCH] checkpatch: add warning on %pk instead of %pK usage Joe Perches <joe@perches.com> - 2017-02-13 21:20 +0100
  Re: [PATCH] checkpatch: add warning on %pk instead of %pK usage Joe Perches <joe@perches.com> - 2017-02-13 23:30 +0100
    RE: [PATCH] checkpatch: add warning on %pk instead of %pK usage "Roberts, William C" <william.c.roberts@intel.com> - 2017-02-16 00:50 +0100
      Re: [PATCH] checkpatch: add warning on %pk instead of %pK usage Joe Perches <joe@perches.com> - 2017-02-16 01:30 +0100
      RE: [PATCH] checkpatch: add warning on %pk instead of %pK usage "Roberts, William C" <william.c.roberts@intel.com> - 2017-02-27 17:30 +0100
        [PATCH] checkpatch: Add ability to find bad uses of vsprintf %p<foo> extensions Joe Perches <joe@perches.com> - 2017-02-27 22:00 +0100
          Re: [kernel-hardening] [PATCH] checkpatch: Add ability to find bad  uses of vsprintf %p<foo> extensions Kees Cook <keescook@chromium.org> - 2017-02-27 22:40 +0100
          RE: [PATCH] checkpatch: Add ability to find bad uses of vsprintf  %p<foo> extensions "Roberts, William C" <william.c.roberts@intel.com> - 2017-02-28 16:40 +0100
          Re: [PATCH] checkpatch: Add ability to find bad uses of vsprintf  %p<foo> extensions Joe Perches <joe@perches.com> - 2017-03-01 01:20 +0100
          Re: [kernel-hardening] Re: [PATCH] checkpatch: Add ability to find  bad uses of vsprintf %p<foo> extensions Kees Cook <keescook@chromium.org> - 2017-03-01 01:20 +0100
            Re: [kernel-hardening] Re: [PATCH] checkpatch: Add ability to find  bad uses of vsprintf %p<foo> extensions Joe Perches <joe@perches.com> - 2017-03-01 02:30 +0100
          Re: [PATCH] checkpatch: Add ability to find bad uses of vsprintf  %p<foo> extensions Andrew Morton <akpm@linux-foundation.org> - 2017-03-01 03:10 +0100

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