From: Dmitry Vyukov <dvyukov@google.com>
To: syzkaller <syzkaller@googlegroups.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Rob Herring <robh@kernel.org>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
AKASHI Takahiro <takahiro.akashi@linaro.org>,
Jon Masters <jcm@redhat.com>,
David Daney <david.daney@cavium.com>,
Ganapatrao Kulkarni <gkulkarni@caviumnetworks.com>,
Andrew Morton <akpm@linux-foundation.org>,
Nicolai Stange <nicstange@gmail.com>,
James Morse <james.morse@arm.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Andrey Konovalov <andreyknvl@google.com>,
linux-arm-kernel@lists.infradead.org,
LKML <linux-kernel@vger.kernel.org>,
Quentin Casasnovas <quentin.casasnovas@oracle.com>
Subject: Re: [PATCH 2/2] kcov: make kcov work properly with KASLR enabled
Date: Mon, 12 Dec 2016 07:58:03 +0100 [thread overview]
Message-ID: <CACT4Y+agNw4FY5N+B0QwSR63uGCUG1msEZKeYu_NywwV3Hek4w@mail.gmail.com> (raw)
In-Reply-To: <f3f9c3a3-349d-65ff-6c84-51878cfd8072@linux.com>
On Sun, Dec 11, 2016 at 10:37 PM, Alexander Popov <alex.popov@linux.com> wrote:
> On 11.12.2016 12:32, Dmitry Vyukov wrote:
>> On Sun, Dec 11, 2016 at 1:50 AM, Alexander Popov <alex.popov@linux.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@linux.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.
next prev parent reply other threads:[~2016-12-12 6:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-11 0:50 [PATCH 0/2] Make kcov work properly with KASLR enabled Alexander Popov
2016-12-11 0:50 ` [PATCH 1/2] arm64: setup: introduce kaslr_offset() Alexander Popov
2016-12-12 11:29 ` Will Deacon
2016-12-13 22:07 ` Alexander Popov
2016-12-22 6:18 ` Yury Norov
2016-12-22 12:51 ` Alexander Popov
2017-01-03 11:18 ` Jon Hunter
2017-01-03 11:32 ` Will Deacon
2016-12-11 0:50 ` [PATCH 2/2] kcov: make kcov work properly with KASLR enabled Alexander Popov
2016-12-11 9:32 ` Dmitry Vyukov
2016-12-11 21:37 ` Alexander Popov
2016-12-12 6:58 ` Dmitry Vyukov [this message]
2017-01-26 11:53 ` Quentin Casasnovas
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