[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <CACT4Y+agNw4FY5N+B0QwSR63uGCUG1msEZKeYu_NywwV3Hek4w@mail.gmail.com>
Date: Mon, 12 Dec 2016 07:58:03 +0100
From: Dmitry Vyukov <dvyukov@...gle.com>
To: syzkaller <syzkaller@...glegroups.com>
Cc: Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
Mark Rutland <mark.rutland@....com>,
Rob Herring <robh@...nel.org>,
Kefeng Wang <wangkefeng.wang@...wei.com>,
AKASHI Takahiro <takahiro.akashi@...aro.org>,
Jon Masters <jcm@...hat.com>,
David Daney <david.daney@...ium.com>,
Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Nicolai Stange <nicstange@...il.com>,
James Morse <james.morse@....com>,
Andrey Ryabinin <aryabinin@...tuozzo.com>,
Andrey Konovalov <andreyknvl@...gle.com>,
linux-arm-kernel@...ts.infradead.org,
LKML <linux-kernel@...r.kernel.org>,
Quentin Casasnovas <quentin.casasnovas@...cle.com>
Subject: Re: [PATCH 2/2] kcov: make kcov work properly with KASLR enabled
On Sun, Dec 11, 2016 at 10:37 PM, Alexander Popov <alex.popov@...ux.com> wrote:
> On 11.12.2016 12:32, Dmitry Vyukov wrote:
>> On Sun, Dec 11, 2016 at 1:50 AM, Alexander Popov <alex.popov@...ux.com> wrote:
>>> Subtract KASLR offset from the kernel addresses reported by kcov.
>>> Tested on x86_64 and AArch64 (Hikey LeMaker).
>>>
>>> Signed-off-by: Alexander Popov <alex.popov@...ux.com>
>>> ---
>>> kernel/kcov.c | 8 +++++++-
>>> 1 file changed, 7 insertions(+), 1 deletion(-)
>>
>> I think generally this is the right thing to do.
>>
>> There are 2 pending patches for kcov by +Quentin (hopefully in mm):
>> "kcov: add AFL-style tracing"
>> "kcov: size of arena is now given in bytes"
>> https://groups.google.com/forum/#!topic/syzkaller/gcqbIhKjGcY
>> https://groups.google.com/d/msg/syzkaller/gcqbIhKjGcY/KQFryjBKCAAJ
>>
>> Your patch probably conflicts with them.
>> Should you base them on top of these patches, so that Andrew can merge
>> it without conflicts?
>
> Excuse me, I can't find these patches in:
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git
> git://git.cmpxchg.org/linux-mmots.git
>
> Could you point at the tree which I can rebase onto?
> Should I cherry-pick Quentin's patches manually?
Quentin, do you know destiny of your patches? They does not seem to be
in mm tree.
Powered by blists - more mailing lists