From owner-svn-src-all@freebsd.org Wed Jan 17 09:36:50 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 04522EB8EDA; Wed, 17 Jan 2018 09:36:50 +0000 (UTC) (envelope-from wma@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id D474F2453; Wed, 17 Jan 2018 09:36:49 +0000 (UTC) (envelope-from wma@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 03CD75AD7; Wed, 17 Jan 2018 09:36:49 +0000 (UTC) (envelope-from wma@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w0H9amcT086003; Wed, 17 Jan 2018 09:36:48 GMT (envelope-from wma@FreeBSD.org) Received: (from wma@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w0H9amI3086002; Wed, 17 Jan 2018 09:36:48 GMT (envelope-from wma@FreeBSD.org) Message-Id: <201801170936.w0H9amI3086002@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: wma set sender to wma@FreeBSD.org using -f From: Wojciech Macek Date: Wed, 17 Jan 2018 09:36:48 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r328079 - head/sys/powerpc/powerpc X-SVN-Group: head X-SVN-Commit-Author: wma X-SVN-Commit-Paths: head/sys/powerpc/powerpc X-SVN-Commit-Revision: 328079 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jan 2018 09:36:50 -0000 Author: wma Date: Wed Jan 17 09:36:48 2018 New Revision: 328079 URL: https://svnweb.freebsd.org/changeset/base/328079 Log: PPC64: fix copyinout ranges Use current userspace address for segment mapping. Previously, there was a bug which made the funciton constantly using the userspace base address which could cause data integrity issues. Created by: Wojciech Macek Obtained from: Semihalf Sponsored by: QCM Technologies Modified: head/sys/powerpc/powerpc/copyinout.c Modified: head/sys/powerpc/powerpc/copyinout.c ============================================================================== --- head/sys/powerpc/powerpc/copyinout.c Wed Jan 17 09:33:16 2018 (r328078) +++ head/sys/powerpc/powerpc/copyinout.c Wed Jan 17 09:36:48 2018 (r328079) @@ -94,7 +94,7 @@ copyout(const void *kaddr, void *udaddr, size_t len) up = udaddr; while (len > 0) { - if (pmap_map_user_ptr(pm, udaddr, (void **)&p, len, &l)) { + if (pmap_map_user_ptr(pm, up, (void **)&p, len, &l)) { td->td_pcb->pcb_onfault = NULL; return (EFAULT); } @@ -133,7 +133,7 @@ copyin(const void *udaddr, void *kaddr, size_t len) up = udaddr; while (len > 0) { - if (pmap_map_user_ptr(pm, udaddr, (void **)&p, len, &l)) { + if (pmap_map_user_ptr(pm, up, (void **)&p, len, &l)) { td->td_pcb->pcb_onfault = NULL; return (EFAULT); }