From nobody Mon Nov 01 14:33:09 2021 X-Original-To: dev-commits-src-all@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 C2567182DDA6; Mon, 1 Nov 2021 14:33:13 +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 4Hjb9h4j5gz3sPs; Mon, 1 Nov 2021 14:33:12 +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 6203A13701; Mon, 1 Nov 2021 14:33:09 +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 1A1EX9DR021572; Mon, 1 Nov 2021 14:33:09 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1A1EX9nx021571; Mon, 1 Nov 2021 14:33:09 GMT (envelope-from git) Date: Mon, 1 Nov 2021 14:33:09 GMT Message-Id: <202111011433.1A1EX9nx021571@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: 0dbb46e5fa69 - stable/13 - stack(9): Disable KASAN in stack_capture() List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@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: 0dbb46e5fa69fe41d871f674b651ba1428345c47 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=0dbb46e5fa69fe41d871f674b651ba1428345c47 commit 0dbb46e5fa69fe41d871f674b651ba1428345c47 Author: Mark Johnston AuthorDate: 2021-05-07 18:20:53 +0000 Commit: Mark Johnston CommitDate: 2021-11-01 14:06:00 +0000 stack(9): Disable KASAN in stack_capture() When unwinding the stack, we may encounter a stack frame in a poisoned region of the stack, triggering a false positive. Reviewed by: andrew, kib Sponsored by: The FreeBSD Foundation (cherry picked from commit 831850d8b0870c75c21d2e01527af1e55fe2fec8) --- sys/x86/x86/stack_machdep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/x86/x86/stack_machdep.c b/sys/x86/x86/stack_machdep.c index 6e16fc1669ff..0e4bf1bf2930 100644 --- a/sys/x86/x86/stack_machdep.c +++ b/sys/x86/x86/stack_machdep.c @@ -70,7 +70,7 @@ static struct mtx intr_lock; MTX_SYSINIT(intr_lock, &intr_lock, "stack intr", MTX_DEF); #endif -static void +static void __nosanitizeaddress stack_capture(struct thread *td, struct stack *st, register_t fp) { x86_frame_t frame;