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Date: Thu, 2 Feb 2017 20:11:51 -0700
From: Eddie Kovsky <>
To: Kees Cook <>
Cc: Vaishali Thakkar <>,
	"" <>
Subject: Re: Getting started

On 01/30/17, Kees Cook wrote:
> On Mon, Jan 30, 2017 at 5:41 AM, Vaishali Thakkar
> <> wrote:
> > On Monday 30 January 2017 12:13 AM, Eddie Kovsky wrote:
> >
> >> I'm interested in helping out with this project.
> >>
> >> I have a few small patches in the kernel. I just finished the Eudyptula
> >> Challenge and I'm looking for places where I can continue to contribute.
> Hi! Welcome to the list. :)
> >> I've been reading the list for several months now. I think I have a
> >> general
> >> understanding of the development process. Is there a specific TODO item I
> >> could start off with?
> What areas of the kernel are you the most familiar with, and/or what
> things are you interested in working on? That could help me tailor
> some suggestions.
> > Here, is one TODO list:
> >
> >
> >
> > Although I think few people are already working on some of these things.
> > May be you can also check the archives of a mailing list.
> The list is a bit terse (it's mostly been a brain dump as things come
> up), but yeah, if you see something there and want to know more, just
> ask. I'm happy to expand on any of them.

I noticed there's been some activity recently with HARDENED_USERCOPY.
And I looked over how mm/usercopy.c was merged in from the grsecurity
patch. I'm curious about this TODO item:

     Identify and extend HARDENED_USERCOPY to other usercopy functions
     (e.g. maybe csum_partial_copy_from_user, csum_and_copy_from_user,
     csum_and_copy_to_user, csum_partial_copy_nocheck?)

It doesn't look like anyone is working on this task right now. But it's not
obvious (to me) what needs to happen to make progress with this. Would this
be a good task to start off with?



> Thanks!
> -Kees
> -- 
> Kees Cook
> Pixel Security

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