From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-f69.google.com (mail-pl0-f69.google.com [209.85.160.69]) by kanga.kvack.org (Postfix) with ESMTP id 5C6F66B0022 for ; Mon, 2 Apr 2018 08:25:04 -0400 (EDT) Received: by mail-pl0-f69.google.com with SMTP id b11-v6so3053428pla.19 for ; Mon, 02 Apr 2018 05:25:04 -0700 (PDT) Received: from huawei.com ([45.249.212.35]) by mx.google.com with ESMTPS id x10si190279pfd.62.2018.04.02.05.25.02 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 02 Apr 2018 05:25:03 -0700 (PDT) From: Abbott Liu Subject: [PATCH v3 6/6] Enable KASan for arm Date: Mon, 2 Apr 2018 20:04:40 +0800 Message-ID: <20180402120440.31900-7-liuwenliang@huawei.com> In-Reply-To: <20180402120440.31900-1-liuwenliang@huawei.com> References: <20180402120440.31900-1-liuwenliang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: aryabinin@virtuozzo.com, dvyukov@google.com, corbet@lwn.net, linux@armlinux.org.uk, christoffer.dall@linaro.org, marc.zyngier@arm.com, kstewart@linuxfoundation.org, gregkh@linuxfoundation.org, f.fainelli@gmail.com, liuwenliang@huawei.com, akpm@linux-foundation.org, linux@rasmusvillemoes.dk, mawilcox@microsoft.com, pombredanne@nexb.com, ard.biesheuvel@linaro.org, vladimir.murzin@arm.com, alexander.levin@verizon.com, nicolas.pitre@linaro.org, tglx@linutronix.de, thgarnie@google.com, dhowells@redhat.com, keescook@chromium.org, arnd@arndb.de, geert@linux-m68k.org, tixy@linaro.org, julien.thierry@arm.com, mark.rutland@arm.com, james.morse@arm.com, zhichao.huang@linaro.org, jinb.park7@gmail.com, labbott@redhat.com, philip@cog.systems, grygorii.strashko@linaro.org, catalin.marinas@arm.com, opendmb@gmail.com, kirill.shutemov@linux.intel.com, kasan-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mm@kvack.org From: Andrey Ryabinin This patch enable kernel address sanitizer for arm. Cc: Andrey Ryabinin Acked-by: Dmitry Vyukov Tested-by: Joel Stanley Tested-by: Florian Fainelli Tested-by: Abbott Liu Signed-off-by: Abbott Liu --- Documentation/dev-tools/kasan.rst | 2 +- arch/arm/Kconfig | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst index f7a18f2..d92120d 100644 --- a/Documentation/dev-tools/kasan.rst +++ b/Documentation/dev-tools/kasan.rst @@ -12,7 +12,7 @@ KASAN uses compile-time instrumentation for checking every memory access, therefore you will need a GCC version 4.9.2 or later. GCC 5.0 or later is required for detection of out-of-bounds accesses to stack or global variables. -Currently KASAN is supported only for the x86_64 and arm64 architectures. +Currently KASAN is supported only for the x86_64, arm64 and arm architectures. Usage ----- diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7e3d535..ac2287b 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -49,6 +49,7 @@ 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 -- 2.9.0