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Message-ID: <20180308025812.GA9082@bombadil.infradead.org>
Date: Wed, 7 Mar 2018 18:58:12 -0800
From: Matthew Wilcox <willy@...radead.org>
To: Julia Lawall <julia.lawall@...6.fr>
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>,
cocci@...teme.lip6.fr, Himanshu Jha <himanshujha199640@...il.com>
Subject: Re: [PATCH 2/2] mm: Add kvmalloc_ab_c and kvzalloc_struct
On Wed, Mar 07, 2018 at 10:18:21PM +0100, Julia Lawall wrote:
> > Otherwise, yes, please. We could build a coccinelle rule for
> > additional replacements...
>
> A potential semantic patch and the changes it generates are attached
> below. Himanshu Jha helped with its development. Working on this
> uncovered one bug, where the allocated array is too large, because the
> size provided for it was a structure size, but actually only pointers to
> that structure were to be stored in it.
This is cool! Thanks for doing the coccinelle patch! Diffstat:
50 files changed, 81 insertions(+), 124 deletions(-)
I find that pretty compelling. I'll repost the kvmalloc_struct patch
imminently.
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