From nobody Mon Nov 1 14:33:08 2021 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id B6616182DD2F; Mon, 1 Nov 2021 14:33:12 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Hjb9g4L5tz3sMf; Mon, 1 Nov 2021 14:33:11 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 3F4361341C; Mon, 1 Nov 2021 14:33:08 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 1A1EX8Q8021546; Mon, 1 Nov 2021 14:33:08 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1A1EX8nD021545; Mon, 1 Nov 2021 14:33:08 GMT (envelope-from git) Date: Mon, 1 Nov 2021 14:33:08 GMT Message-Id: <202111011433.1A1EX8nD021545@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mark Johnston Subject: git: 38f90212c27f - stable/13 - cdefs: Make __nosanitizeaddress work for KASAN as well List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 38f90212c27fedab0257cd99f075b4860266046a Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=38f90212c27fedab0257cd99f075b4860266046a commit 38f90212c27fedab0257cd99f075b4860266046a Author: Mark Johnston AuthorDate: 2021-05-07 18:26:28 +0000 Commit: Mark Johnston CommitDate: 2021-11-01 14:05:50 +0000 cdefs: Make __nosanitizeaddress work for KASAN as well Add __nosanitizememory while I'm here. Reviewed by: andrew, kib Sponsored by: The FreeBSD Foundation (cherry picked from commit cfad8bd24f038e4779e937f48b05511f2dd4a5a8) --- sys/sys/cdefs.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h index 30c462f6549b..dd11f4fb778d 100644 --- a/sys/sys/cdefs.h +++ b/sys/sys/cdefs.h @@ -859,12 +859,18 @@ #define __no_lock_analysis __lock_annotate(no_thread_safety_analysis) /* - * Function or variable should not be sanitized, i.e. by AddressSanitizer. + * Function or variable should not be sanitized, e.g., by AddressSanitizer. * GCC has the nosanitize attribute, but as a function attribute only, and * warns on use as a variable attribute. */ #if __has_attribute(no_sanitize) && defined(__clang__) +#ifdef _KERNEL +#define __nosanitizeaddress __attribute__((no_sanitize("kernel-address"))) +#define __nosanitizememory __attribute__((no_sanitize("kernel-memory"))) +#else #define __nosanitizeaddress __attribute__((no_sanitize("address"))) +#define __nosanitizememory __attribute__((no_sanitize("memory"))) +#endif #define __nosanitizethread __attribute__((no_sanitize("thread"))) #else #define __nosanitizeaddress