linux-kernel - RE: [PATCH 3/4] sparc: convert mdesc_handle.refcnt from atomic_t to refcount

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Date:   Mon, 3 Apr 2017 07:28:01 +0000
From:   "Reshetova, Elena" <elena.reshetova@...el.com>
To:     David Miller <davem@...emloft.net>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>,
        "linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "Luck, Tony" <tony.luck@...el.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "ishkamiel@...il.com" <ishkamiel@...il.com>,
        "keescook@...omium.org" <keescook@...omium.org>,
        "dwindsor@...il.com" <dwindsor@...il.com>
Subject: RE: [PATCH 3/4] sparc: convert mdesc_handle.refcnt from atomic_t to
 refcount_t


> From: Elena Reshetova <elena.reshetova@...el.com>
> Date: Mon, 20 Feb 2017 13:06:20 +0200
> 
> > 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@...el.com>
> > Signed-off-by: Hans Liljestrand <ishkamiel@...il.com>
> > Signed-off-by: Kees Cook <keescook@...omium.org>
> > Signed-off-by: David Windsor <dwindsor@...il.com>
> 
> Acked-by: David S. Miller <davem@...emloft.net>

Hi David, 

Would you be able to propagate this patch further or should I send it (with your acked-by) once more to specific list/maintainer for the inclusion?

Best Regards,
Elena