kernel-hardening - RE: [RFC PATCH 08/19] kernel, mm: convert from atomic_t to refcount

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Message-ID: <2236FBA76BA1254E88B949DDB74E612B41C3C439@IRSMSX102.ger.corp.intel.com>
Date: Thu, 12 Jan 2017 08:02:27 +0000
From: "Reshetova, Elena" <elena.reshetova@...el.com>
To: Kees Cook <keescook@...omium.org>
CC: AKASHI Takahiro <takahiro.akashi@...aro.org>,
	"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
	"arnd@...db.de" <arnd@...db.de>, "tglx@...utronix.de" <tglx@...utronix.de>,
	"mingo@...hat.com" <mingo@...hat.com>, "Anvin, H Peter"
	<h.peter.anvin@...el.com>, "peterz@...radead.org" <peterz@...radead.org>,
	"will.deacon@....com" <will.deacon@....com>, "dwindsor@...il.com"
	<dwindsor@...il.com>, "gregkh@...uxfoundation.org"
	<gregkh@...uxfoundation.org>, "ishkamiel@...il.com" <ishkamiel@...il.com>
Subject: RE: [RFC PATCH 08/19] kernel, mm: convert from
 atomic_t to refcount_t

On Wed, Jan 11, 2017 at 2:55 PM, Kees Cook <keescook@...omium.org> wrote:
> On Wed, Jan 11, 2017 at 1:42 PM, Kees Cook <keescook@...omium.org> wrote:
>> I can see if it'll cherry-pick cleanly, I assume it will. :)
>
> It cherry-picked cleanly. However, I made several changes:
>
> - I adjusted Peter's author email (it had extra []s around).
> - I fixed all of the commit subjects (Peter's were missing).
> - I added back "kref: Add KREF_INIT()" since it seems to have been
> lost and mixed into other patches that would break bisection
>
> It's here now, please work from this version:
>
> http://git.kernel.org/cgit/linux/kernel/git/kees/linux.git/log/?h=kspp/hardened-atomic
>
> 0-day should see it soon. :)

>FWIW, I was able to reproduce a bunch of the 0-day errors with an
>allyesconfig build.

Thanks! I will fix the errors today, I guess we should have tried it with allyesconfig before, but we didn't know about it existence :( Learning new every day :)

Best Regards,
Elena 


-Kees

--
Kees Cook
Nexus Security

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