linux-kernel - Re: [PATCH 0/3] ipc subsystem refcounter conversions

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Message-ID: <CAHp75Vex6ea1WM81Qz8JTqqkh78Qhe3z_WMbG3Oe_nXY9q1S5g@mail.gmail.com>
Date:   Mon, 20 Feb 2017 13:42:35 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Elena Reshetova <elena.reshetova@...el.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        ebiederm@...ssion.com, Ingo Molnar <mingo@...hat.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        "Serge E. Hallyn" <serge@...lyn.com>, arozansk@...hat.com,
        dave@...olabs.net
Subject: Re: [PATCH 0/3] ipc subsystem refcounter conversions

On Mon, Feb 20, 2017 at 1:29 PM, Elena Reshetova
<elena.reshetova@...el.com> wrote:
> Now when new refcount_t type and API are finally merged
> (see include/linux/refcount.h), the following
> patches convert various refcounters in the ipc susystem from atomic_t
> to refcount_t. By doing this we prevent intentional or accidental
> underflows or overflows that can led to use-after-free vulnerabilities.
>
> The below patches are fully independent and can be cherry-picked separately.
> Since we convert all kernel subsystems in the same fashion, resulting
> in about 300 patches, we have to group them for sending at least in some
> fashion to be manageable. Please excuse the long cc list.

Is that done using coccinelle?

Can I see the semantic patch (sorry if I missed it earlier)?

-- 
With Best Regards,
Andy Shevchenko