From owner-dev-commits-src-main@freebsd.org Fri May 7 18:33:42 2021 Return-Path: Delivered-To: dev-commits-src-main@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 9CDE56384CB; Fri, 7 May 2021 18:33:42 +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 4FcJxL15rgz3D7H; Fri, 7 May 2021 18:33:42 +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 13F14106BF; Fri, 7 May 2021 18:33:42 +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 147IXfG6079105; Fri, 7 May 2021 18:33:41 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 147IXfBQ079104; Fri, 7 May 2021 18:33:41 GMT (envelope-from git) Date: Fri, 7 May 2021 18:33:41 GMT Message-Id: <202105071833.147IXfBQ079104@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mark Johnston Subject: git: 831850d8b087 - main - stack(9): Disable KASAN in stack_capture() 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/main X-Git-Reftype: branch X-Git-Commit: 831850d8b0870c75c21d2e01527af1e55fe2fec8 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 May 2021 18:33:42 -0000 The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=831850d8b0870c75c21d2e01527af1e55fe2fec8 commit 831850d8b0870c75c21d2e01527af1e55fe2fec8 Author: Mark Johnston AuthorDate: 2021-05-07 18:20:53 +0000 Commit: Mark Johnston CommitDate: 2021-05-07 18:31:08 +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 Differential Revision: https://reviews.freebsd.org/D30126 --- 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;