From owner-svn-src-user@FreeBSD.ORG Mon May 12 07:06:04 2014 Return-Path: Delivered-To: svn-src-user@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 1977F18B; Mon, 12 May 2014 07:06:04 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id EFF442186; Mon, 12 May 2014 07:06:03 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s4C763oG063535; Mon, 12 May 2014 07:06:03 GMT (envelope-from pho@svn.freebsd.org) Received: (from pho@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s4C763ca063534; Mon, 12 May 2014 07:06:03 GMT (envelope-from pho@svn.freebsd.org) Message-Id: <201405120706.s4C763ca063534@svn.freebsd.org> From: Peter Holm Date: Mon, 12 May 2014 07:06:03 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r265906 - user/pho/stress2/misc X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 May 2014 07:06:04 -0000 Author: pho Date: Mon May 12 07:06:03 2014 New Revision: 265906 URL: http://svnweb.freebsd.org/changeset/base/265906 Log: Added a new mmap()/mlock()/mprotect() test scenario. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/mmap9.sh (contents, props changed) Added: user/pho/stress2/misc/mmap9.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/mmap9.sh Mon May 12 07:06:03 2014 (r265906) @@ -0,0 +1,90 @@ +#!/bin/sh + +# +# Copyright (c) 2014 EMC Corp. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# "panic: vm_map_protect: object 0xca6869c0 overcharged" seen: +# http://people.freebsd.org/~pho/stress/log/mmap9.txt +# Fixed in r265843 + +# Test scenario by: Mark Johnston markj@ + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/mmap9.c +cc -o mmap9 -O2 -Wall -Wextra mmap9.c || exit 1 +cc -o mmap9p -O2 -Wall -Wextra mmap9.c -lpthread || exit 1 +rm -f mmap9.c +cd $odir + +/tmp/mmap9 +/tmp/mmap9p + +rm -f /tmp/mmap9 /tmp/mmap9p +exit + +EOF +#include +#include + +#include +#include +#include + +int +main(void) +{ + size_t sz = 1; + char *addr; + + addr = mmap(NULL, sz, PROT_READ | PROT_WRITE, MAP_ANON, + -1, 0); + if (addr == NULL) + err(1, "mmap"); + memset(addr, 0, sz); + + if (fork() != 0) { + if (mlock(addr, sz)) + err(1, "mlock"); + if (mprotect(addr, sz, PROT_READ)) + err(1, "mprotect"); + if (mprotect(addr, sz, PROT_READ | PROT_WRITE)) + err(1, "mprotect"); + if (mprotect(addr, sz, PROT_READ)) + err(1, "mprotect"); + if (mprotect(addr, sz, PROT_READ | PROT_WRITE)) + err(1, "mprotect"); + } else + /* + * Ensure that shadow objects aren't collapsed by process exit. + */ + sleep(1); + + return (0); +}