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Message-ID: <1518638764.3678.23.camel@perches.com>
Date: Wed, 14 Feb 2018 12:06:04 -0800
From: Joe Perches <joe@...ches.com>
To: Matthew Wilcox <willy@...radead.org>
Cc: Kees Cook <keescook@...omium.org>, Andrew Morton
<akpm@...ux-foundation.org>, Matthew Wilcox <mawilcox@...rosoft.com>,
Linux-MM <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>, Kernel
Hardening <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH 0/2] Add kvzalloc_struct to complement kvzalloc_array
On Wed, 2018-02-14 at 11:56 -0800, Matthew Wilcox wrote:
> On Wed, Feb 14, 2018 at 11:43:46AM -0800, Joe Perches wrote:
> > On Wed, 2018-02-14 at 11:36 -0800, Matthew Wilcox wrote:
> > > If somebody wants them, then we can add them.
> >
> > Yeah, but I don't think any of it is necessary.
> >
> > How many of these struct+bufsize * count entries
> > actually exist?
>
> Wrong question. How many of them currently exist that don't check for
> integer overflow? How many of them will be added in the future that
> will fail to check for integer overflow?
>
> I chose five at random to fix as demonstration that the API is good.
> There are more; I imagine that Julia will be able to tell us how many.
No such conversions exist in the patch series
you submitted.
What are those?
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