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Date: Thu, 21 Feb 2019 16:15:00 +1100
From: "Tobin C. Harding" <>
To: Kees Cook <>
Cc: "Tobin C. Harding" <>, Shuah Khan <>,
	Alexander Shishkin <>,
	Greg Kroah-Hartman <>,
	Andy Shevchenko <>,
	Kernel Hardening <>,
	LKML <>
Subject: Re: [PATCH 0/6] lib: Add safe string funtions

On Wed, Feb 20, 2019 at 03:31:07PM -0800, Kees Cook wrote:
> On Mon, Feb 18, 2019 at 3:24 PM Tobin C. Harding <> wrote:
> > During your talk at LCA you mentioned that we could do with a couple
> > more safe string functions.  One to zero the tail of the destination
> > buffer after call to strscpy() and also the self explanatory
> > strscpy_from_user().
> Thanks for jumping in with this! :)

Good to be working with you again.

> > I couldn't work out if this is a false positive or not?  Does the new
> > config option CONFIG_TEST_STRING need more documentation?  I don't see
> > where extra docs should be added and it seems self explanatory as is.
> Usually this just means the help string in Kconfig is "too short".
> Sometimes this is a false positive -- really up to you if you think it
> needs more. :)

Cool, thanks.

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