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Date: Wed, 08 Jun 2016 21:39:39 -0400
From: Rik van Riel <riel@...hat.com>
To: Brad Spengler <spender@...ecurity.net>, Kees Cook <keescook@...omium.org>
Cc: kernel-hardening@...ts.openwall.com, PaX Team <pageexec@...email.hu>,
Casey Schaufler <casey.schaufler@...el.com>,
Christoph Lameter
<cl@...ux.com>, Pekka Enberg <penberg@...nel.org>,
David Rientjes
<rientjes@...gle.com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Andrew Morton
<akpm@...ux-foundation.org>
Subject: Re: [PATCH v2 1/4] mm: Hardened usercopy
On Wed, 2016-06-08 at 20:47 -0400, Brad Spengler wrote:
> >
> > diff --git a/mm/usercopy.c b/mm/usercopy.c
> > new file mode 100644
> > index 000000000000..e09c33070759
> > --- /dev/null
> > +++ b/mm/usercopy.c
> > @@ -0,0 +1,177 @@
> > +/*
> > + * This implements the various checks for
> > CONFIG_HARDENED_USERCOPY*,
> > + * which are designed to protect kernel memory from needless
> > exposure
> > + * and overwrite under many conditions.
> > + */
> As this is a new file being introduced which is (modulo some
> bikeshedding
> and addition of a few comments) a direct copy+paste of our code and
> comments
> in fs/exec.c, I would appreciate both a GPL notice (the same as
> exists for
> KASAN, etc) and both the PaX Team and myself being listed as the
> copyright
> owners.
>
I have to agree with this. Credit where credit is due.
--
All Rights Reversed.
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