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From: Alexander Popov <alex.popov@linux.com>
To: 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>,
	Dmitry Vyukov <dvyukov@google.com>,
	Nicolai Stange <nicstange@gmail.com>,
	James Morse <james.morse@arm.com>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Andrey Konovalov <andreyknvl@google.com>,
	Alexander Popov <alex.popov@linux.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	syzkaller <syzkaller@googlegroups.com>
Subject: [PATCH 0/2] Make kcov work properly with KASLR enabled
Date: Sun, 11 Dec 2016 03:50:54 +0300	[thread overview]
Message-ID: <1481417456-28826-1-git-send-email-alex.popov@linux.com> (raw)

If CONFIG_RANDOMIZE_BASE is enabled, kcov currently reports kernel addresses
including the random offset which breaks the coverage-guided fuzzing on x86_64 and
AArch64. Fix that by subtracting kaslr_offset() return value.

Alexander Popov (2):
  arm64: setup: introduce kaslr_offset()
  kcov: make kcov work properly with KASLR enabled

 arch/arm64/include/asm/setup.h      | 19 +++++++++++++++++++
 arch/arm64/include/uapi/asm/setup.h |  4 ++--
 arch/arm64/kernel/setup.c           |  8 ++++----
 kernel/kcov.c                       |  8 +++++++-
 4 files changed, 32 insertions(+), 7 deletions(-)
 create mode 100644 arch/arm64/include/asm/setup.h

-- 
2.7.4

             reply	other threads:[~2016-12-11  0:51 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-11  0:50 Alexander Popov [this message]
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
2017-01-26 11:53         ` Quentin Casasnovas

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