From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4+hpL390jBy/WRiZpDAD09Qz+EC7+BE8m94LtyUX20eQFWHJKn4RYf5OXS+uLdB4RycHz4O ARC-Seal: i=1; a=rsa-sha256; t=1522671903; cv=none; d=google.com; s=arc-20160816; b=j5G+4WFTwnifTU5zHEtmP5yv3ovG7dk+D5j6RHTCACyo2sGxmb+pLalD0bM36JuZW7 pS6TVzVdPOVVI7FFzVdjiAEihO5SO7sNyjqOgBI64hFhPmHcTKLxHgSuDDBTGhQGtmbB nqmusBnZfpskJBORizGn7n3CBd9yctx6rszr64YWPPMepa7mmLBq44TnPER8gWJpMoZh b8VFXeUJOcXREEoYmPDBCpvmNCVx7ppot3QbYTZISoqbLdgqJtMtD1v1J6PzyLI7kAZZ RYXrXl7k1mgsMuF3JrNUu4YtNrx8x/GLfiljkbePy9b0NES3XBmYXI7tqBAe1UTlnvUu j7Rw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:references:in-reply-to:message-id:date:subject:to:from :arc-authentication-results; bh=42BcgaJnAkq+2rJ1rntz2JwK5cZiMbI/Af8WYX0NF08=; b=qy5uxTY8+iBUUE5Ysmb2HX998STi34iPZVMR9Ozu/+mXDPS/gG/dU/l4xaKhkYryZu A0UPlMcOZ54tvsNLh32VlTMm1oDkMSCUgmldbT/zf9GYKJoqVO8ORajkdtZ16RwO7yCB r57RyDvsnYNMspo2xvrEWynea07h88JOvtjQjXq86v0ZoxXWhVjjWAvBG8fpc4CzH1G8 A8u9QsAEzH6bFYAt7bQKiwX7n69sTX12VzK2FTTogefaU/4trXejRpdP8cQu27W6HGU6 8FY0IbCtMLUi+Ba6LycUzm6FNqEluhpT4yNrFsKAG4NFCjpyE/ptdHYUSdUCcDwi8WKQ 9ktw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of liuwenliang@huawei.com designates 45.249.212.35 as permitted sender) smtp.mailfrom=liuwenliang@huawei.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of liuwenliang@huawei.com designates 45.249.212.35 as permitted sender) smtp.mailfrom=liuwenliang@huawei.com From: Abbott Liu To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 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> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20180402120440.31900-1-liuwenliang@huawei.com> References: <20180402120440.31900-1-liuwenliang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.187.223] X-CFilter-Loop: Reflected X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1596637213618557598?= X-GMAIL-MSGID: =?utf-8?q?1596637213618557598?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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