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Date: Wed, 7 Mar 2018 18:58:12 -0800
From: Matthew Wilcox <>
To: Julia Lawall <>
Cc: Kees Cook <>,
	Andrew Morton <>,
	Matthew Wilcox <>,
	Linux-MM <>, LKML <>,
	Kernel Hardening <>,, Himanshu Jha <>
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

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