From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751640AbeFEGfx (ORCPT ); Tue, 5 Jun 2018 02:35:53 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:8636 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751361AbeFEGfv (ORCPT ); Tue, 5 Jun 2018 02:35:51 -0400 From: Abbott Liu To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , Subject: [PATCH v5 6/6] Enable KASan for arm Date: Tue, 5 Jun 2018 14:14:16 +0800 Message-ID: <20180605061416.18690-7-liuwenliang@huawei.com> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20180605061416.18690-1-liuwenliang@huawei.com> References: <20180605061416.18690-1-liuwenliang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.187.223] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 a7f8e7f..a43a746 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -50,6 +50,7 @@ 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