From owner-cvs-all@FreeBSD.ORG Sun Jul 3 01:05:37 2005 Return-Path: X-Original-To: cvs-all@FreeBSD.org Delivered-To: cvs-all@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7CEF316A45F; Sun, 3 Jul 2005 00:57:49 +0000 (GMT) (envelope-from ps@mu.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 560A3441DC; Sun, 3 Jul 2005 00:39:56 +0000 (GMT) (envelope-from ps@mu.org) Received: by elvis.mu.org (Postfix, from userid 1000) id E66776DA5B; Sat, 2 Jul 2005 17:37:46 -0700 (PDT) X-Original-To: ps@mu.org Delivered-To: ps@mu.org Received: from mx2.freebsd.org (mx2.freebsd.org [216.136.204.119]) by elvis.mu.org (Postfix) with ESMTP id 89BC65C9ED for ; Wed, 19 Jan 2005 10:24:46 -0800 (PST) Received: from hub.freebsd.org (hub.freebsd.org [216.136.204.18]) by mx2.freebsd.org (Postfix) with ESMTP id E464355CB6 for ; Wed, 19 Jan 2005 18:24:16 +0000 (GMT) (envelope-from owner-src-committers@FreeBSD.org) Received: by hub.freebsd.org (Postfix) id 3456E16A54F; Wed, 19 Jan 2005 18:24:12 +0000 (GMT) Delivered-To: ps@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 538) id EEF9816A4D0; Wed, 19 Jan 2005 18:24:08 +0000 (GMT) Delivered-To: src-committers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EC22B16A4CE; Wed, 19 Jan 2005 18:24:07 +0000 (GMT) Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id D7A3F43D2D; Wed, 19 Jan 2005 18:24:07 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.13.1/8.13.1) with ESMTP id j0JIO7El073241; Wed, 19 Jan 2005 18:24:07 GMT (envelope-from jhb@repoman.freebsd.org) Received: (from jhb@localhost) by repoman.freebsd.org (8.13.1/8.13.1/Submit) id j0JIO753073240; Wed, 19 Jan 2005 18:24:07 GMT (envelope-from jhb) Message-Id: <200501191824.j0JIO753073240@repoman.freebsd.org> From: John Baldwin To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org X-FreeBSD-CVS-Branch: HEAD Sender: owner-src-committers@FreeBSD.org Precedence: bulk X-Loop: FreeBSD.ORG X-Spam-Checker-Version: SpamAssassin 3.0.1 (2004-10-22) on elvis.mu.org X-Spam-Status: No, score=-2.6 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.0.1 X-Spam-Level: Cc: Subject: cvs commit: src/sys/sparc64/include md_var.h src/sys/sparc64/sparc64 machdep.c sys_machdep.c vm_machdep.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Sun, 03 Jul 2005 01:05:37 -0000 X-Original-Date: Wed, 19 Jan 2005 18:24:07 +0000 (UTC) X-List-Received-Date: Sun, 03 Jul 2005 01:05:37 -0000 jhb 2005-01-19 18:24:07 UTC FreeBSD src repository Modified files: sys/sparc64/include md_var.h sys/sparc64/sparc64 machdep.c sys_machdep.c vm_machdep.c Log: Add a small API to manage the MD user trap structures. Specifically, we now use a pool mutex to manage the reference counts. This fixes races resulting in use-after-free. Tested by: kris, David Cornejo dave at dogwood dot com Reported by: bmilekic's MemGuard MFC after: 1 week Revision Changes Path 1.16 +4 -0 src/sys/sparc64/include/md_var.h 1.118 +39 -5 src/sys/sparc64/sparc64/machdep.c 1.14 +2 -3 src/sys/sparc64/sparc64/sys_machdep.c 1.71 +3 -9 src/sys/sparc64/sparc64/vm_machdep.c