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From: Florian Fainelli <f.fainelli@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: mark.rutland@arm.com, alexandre.belloni@bootlin.com,
	mhocko@suse.com, julien.thierry@arm.com, catalin.marinas@arm.com,
	linux-kernel@vger.kernel.org, dhowells@redhat.com,
	yamada.masahiro@socionext.com, ryabinin.a.a@gmail.com,
	glider@google.com, kvmarm@lists.cs.columbia.edu,
	Florian Fainelli <f.fainelli@gmail.com>,
	corbet@lwn.net, Abbott Liu <liuwenliang@huawei.com>,
	daniel.lezcano@linaro.org, linux@armlinux.org.uk,
	kasan-dev@googlegroups.com,
	bcm-kernel-feedback-list@broadcom.com, geert@linux-m68k.org,
	drjones@redhat.com, vladimir.murzin@arm.com,
	keescook@chromium.org, arnd@arndb.de, marc.zyngier@arm.com,
	andre.przywara@arm.com, philip@cog.systems, jinb.park7@gmail.com,
	tglx@linutronix.de, dvyukov@google.com, nico@fluxnic.net,
	gregkh@linuxfoundation.org, ard.biesheuvel@linaro.org,
	linux-doc@vger.kernel.org, christoffer.dall@arm.com,
	thgarnie@google.com, rob@landley.net, pombredanne@nexb.com,
	akpm@linux-foundation.org,
	Andrey Ryabinin <ryabinin@virtuozzo.com>,
	kirill.shutemov@linux.intel.com
Subject: [PATCH v6 6/6] ARM: Enable KASan for arm
Date: Mon, 17 Jun 2019 15:11:34 -0700
Message-ID: <20190617221134.9930-7-f.fainelli@gmail.com> (raw)
In-Reply-To: <20190617221134.9930-1-f.fainelli@gmail.com>

From: Andrey Ryabinin <ryabinin@virtuozzo.com>

This patch enable kernel address sanitizer for ARM.

Acked-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Abbott Liu <liuwenliang@huawei.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 Documentation/dev-tools/kasan.rst | 4 ++--
 arch/arm/Kconfig                  | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index b72d07d70239..a9cb1feec0c1 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -21,8 +21,8 @@ global variables yet.
 
 Tag-based KASAN is only supported in Clang and requires version 7.0.0 or later.
 
-Currently generic KASAN is supported for the x86_64, arm64, xtensa and s390
-architectures, and tag-based KASAN is supported only for arm64.
+Currently generic KASAN is supported for the x86_64, arm, arm64, xtensa and
+s390 architectures, and tag-based KASAN is supported only for arm64.
 
 Usage
 -----
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 8869742a85df..5c98431ddaea 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -59,6 +59,7 @@ config ARM
 	select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6
 	select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU
 	select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU
+	select HAVE_ARCH_KASAN if MMU
 	select HAVE_ARCH_MMAP_RND_BITS if MMU
 	select HAVE_ARCH_SECCOMP_FILTER if AEABI && !OABI_COMPAT
 	select HAVE_ARCH_THREAD_STRUCT_WHITELIST
-- 
2.17.1


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  parent reply index

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-17 22:11 [PATCH v6 0/6] " Florian Fainelli
2019-06-17 22:11 ` [PATCH v6 1/6] ARM: Add TTBR operator for kasan_init Florian Fainelli
2019-07-02 21:03   ` Linus Walleij
2019-07-11 16:54     ` Florian Fainelli
2019-06-17 22:11 ` [PATCH v6 2/6] ARM: Disable instrumentation for some code Florian Fainelli
2019-07-02 21:56   ` Linus Walleij
2019-07-11 16:53     ` Florian Fainelli
2019-06-17 22:11 ` [PATCH v6 3/6] ARM: Replace memory function for kasan Florian Fainelli
2019-06-17 22:11 ` [PATCH v6 4/6] ARM: Define the virtual space of KASan's shadow region Florian Fainelli
2019-06-17 22:11 ` [PATCH v6 5/6] ARM: Initialize the mapping of KASan shadow memory Florian Fainelli
2019-06-17 22:11 ` Florian Fainelli [this message]
2019-07-02 21:06 ` [PATCH v6 0/6] KASan for arm Linus Walleij
2019-07-11 17:00   ` Florian Fainelli
2019-07-18  7:51     ` Arnd Bergmann

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