RE: [PATCH 14/15] kernel: convert futex_pi_state.refcount from atomic_t to refcount_t

From	"Reshetova, Elena" <elena.reshetova@intel.com>
Newsgroups	linux.kernel
Subject	RE: [PATCH 14/15] kernel: convert futex_pi_state.refcount from atomic_t to refcount_t
Date	2017-07-07 12:30 +0200
Message-ID	<u0yGm-2GH-5@gated-at.bofh.it> (permalink)
References	<u0xqW-1Re-3@gated-at.bofh.it> <u0xqX-1Re-13@gated-at.bofh.it> <u0xKi-20Z-17@gated-at.bofh.it> <u0ydk-2cj-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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> On Fri, 7 Jul 2017, Peter Zijlstra wrote:
> 
> > On Fri, Jul 07, 2017 at 12:04:28PM +0300, Elena Reshetova wrote:
> > > refcount_t type and corresponding API should be
> > > used instead of atomic_t when the variable is used as
> > > a reference counter. This allows to avoid accidental
> > > refcounter overflows that might lead to use-after-free
> > > situations.
> > >
> > > Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
> > > Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
> > > Signed-off-by: Kees Cook <keescook@chromium.org>
> > > Signed-off-by: David Windsor <dwindsor@gmail.com>
> >
> > I'll let tglx comment on the SoB chain, I know he likes those :-) You
> > did Cc him right, seeing how he's the maintainer of this stuff..
> 
> Right, that SOB chain is crap. It suggests that the patch was written by
> Elena and then carried on by Hans, handed over to Kees and from there to
> David. And now it's resent by Elena. Circular dependencies or what?

I will fix SOB on all patches and resend. 

Best Regards,
Elena

Thread

[PATCH 14/15] kernel: convert futex_pi_state.refcount from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-07-07 11:10 +0200
  Re: [PATCH 14/15] kernel: convert futex_pi_state.refcount from  atomic_t to refcount_t Peter Zijlstra <peterz@infradead.org> - 2017-07-07 11:30 +0200
    Re: [PATCH 14/15] kernel: convert futex_pi_state.refcount from  atomic_t to refcount_t Thomas Gleixner <tglx@linutronix.de> - 2017-07-07 12:00 +0200
      RE: [PATCH 14/15] kernel: convert futex_pi_state.refcount from  atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-07-07 12:30 +0200
        Re: [PATCH 14/15] kernel: convert futex_pi_state.refcount from  atomic_t to refcount_t Ingo Molnar <mingo@kernel.org> - 2017-07-07 12:40 +0200
          Re: [PATCH 14/15] kernel: convert futex_pi_state.refcount from  atomic_t to refcount_t "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org> - 2017-07-07 15:30 +0200
    RE: [PATCH 14/15] kernel: convert futex_pi_state.refcount from  atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-07-07 12:30 +0200
      Re: [PATCH 14/15] kernel: convert futex_pi_state.refcount from  atomic_t to refcount_t Peter Zijlstra <peterz@infradead.org> - 2017-07-07 13:20 +0200

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