Message ID | 20191220184955.223741-8-glider@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=GDT+=2K=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7D0676C1 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 20 Dec 2019 18:50:26 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4AA2C206DA for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 20 Dec 2019 18:50:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="iDQMfzbj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4AA2C206DA Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 22ECC8E01AA; Fri, 20 Dec 2019 13:50:25 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 204F58E019D; 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Fri, 20 Dec 2019 10:50:22 -0800 (PST) Date: Fri, 20 Dec 2019 19:49:20 +0100 In-Reply-To: <20191220184955.223741-1-glider@google.com> Message-Id: <20191220184955.223741-8-glider@google.com> Mime-Version: 1.0 References: <20191220184955.223741-1-glider@google.com> X-Mailer: git-send-email 2.24.1.735.g03f4e72817-goog Subject: [PATCH RFC v4 07/42] kmsan: introduce __no_sanitize_memory and __SANITIZE_MEMORY__ From: glider@google.com To: Vegard Nossum <vegard.nossum@oracle.com>, Dmitry Vyukov <dvyukov@google.com>, Marco Elver <elver@google.com>, Andrey Konovalov <andreyknvl@google.com>, linux-mm@kvack.org Cc: glider@google.com, viro@zeniv.linux.org.uk, adilger.kernel@dilger.ca, akpm@linux-foundation.org, aryabinin@virtuozzo.com, luto@kernel.org, ard.biesheuvel@linaro.org, arnd@arndb.de, hch@infradead.org, hch@lst.de, darrick.wong@oracle.com, davem@davemloft.net, dmitry.torokhov@gmail.com, ebiggers@google.com, edumazet@google.com, ericvh@gmail.com, gregkh@linuxfoundation.org, harry.wentland@amd.com, herbert@gondor.apana.org.au, iii@linux.ibm.com, mingo@elte.hu, jasowang@redhat.com, axboe@kernel.dk, m.szyprowski@samsung.com, mark.rutland@arm.com, martin.petersen@oracle.com, schwidefsky@de.ibm.com, willy@infradead.org, mst@redhat.com, mhocko@suse.com, monstr@monstr.eu, pmladek@suse.com, cai@lca.pw, rdunlap@infradead.org, robin.murphy@arm.com, sergey.senozhatsky@gmail.com, rostedt@goodmis.org, tiwai@suse.com, tytso@mit.edu, tglx@linutronix.de, gor@linux.ibm.com, wsa@the-dreams.de Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
Add KernelMemorySanitizer infrastructure
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expand
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diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index 333a6695a918..01e1f754f6d3 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -24,6 +24,13 @@ #define __no_sanitize_address #endif +#if __has_feature(memory_sanitizer) +# define __SANITIZE_MEMORY__ +# define __no_sanitize_memory __attribute__((no_sanitize("kernel-memory"))) +#else +# define __no_sanitize_memory +#endif + /* * Not all versions of clang implement the the type-generic versions * of the builtin overflow checkers. Fortunately, clang implements diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index d7ee4c6bad48..e5ebc788dde4 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -145,6 +145,11 @@ #define __no_sanitize_address #endif +/* + * GCC doesn't support KMSAN. + */ +#define __no_sanitize_memory + #if GCC_VERSION >= 50100 #define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 #endif