From owner-svn-src-user@freebsd.org Tue Jul 21 13:25:58 2015 Return-Path: Delivered-To: svn-src-user@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 224C79A7F39 for ; Tue, 21 Jul 2015 13:25:58 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.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 12BB31D57; Tue, 21 Jul 2015 13:25:58 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.14.9/8.14.9) with ESMTP id t6LDPvfH065456; Tue, 21 Jul 2015 13:25:57 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.14.9/8.14.9/Submit) id t6LDPvOb065454; Tue, 21 Jul 2015 13:25:57 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201507211325.t6LDPvOb065454@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Tue, 21 Jul 2015 13:25:57 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r285747 - 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: 2.1.20 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: Tue, 21 Jul 2015 13:25:58 -0000 Author: pho Date: Tue Jul 21 13:25:56 2015 New Revision: 285747 URL: https://svnweb.freebsd.org/changeset/base/285747 Log: Added finding to test scenario, marked it as no run. Sponsored by: EMC / Isilon storage division Modified: user/pho/stress2/misc/all.sh user/pho/stress2/misc/suj3.sh Modified: user/pho/stress2/misc/all.sh ============================================================================== --- user/pho/stress2/misc/all.sh Tue Jul 21 12:53:47 2015 (r285746) +++ user/pho/stress2/misc/all.sh Tue Jul 21 13:25:56 2015 (r285747) @@ -39,6 +39,9 @@ # panic: 43 vncache entries remaining 20111220 # backingstore3.sh # g_vfs_done():md6a[WRITE(offset=...)]error = 28 20111230 +# core5.sh May slow down if vnode cache is full 20150714 +# crossmp4.sh Known nullfs issue 20150523 +# crossmp6.sh Known lockd issue 20150625 # dfull.sh umount stuck in "mount drain" 20111227 # ext2fs.sh Deadlock 20120510 # ext2fs2.sh panic 20140716 @@ -49,11 +52,19 @@ # gjournal.sh kmem_malloc(131072): kmem_map too small 20120626 # gjournal2.sh # gjournal3.sh panic: Journal overflow 20130729 +# lockf5.sh Page fault 20150622 +# md2.sh panic: ufs_dirbad: /mnt: bad dir ino ...: mangled entry 20150227 +# maxproc.sh WiP 20150329 # memguard.sh Waiting for fix commit # memguard2.sh Waiting for fix commit # memguard3.sh Waiting for fix commit +# mkfifo.sh Page fault in softdep_count_dependencies+0x27 seen 20150524 # mmap18.sh panic: vm_fault_copy_entry: main object missing page 20141015 -# mmap21.sh panic: vm_reserv_populate: reserv is already promoted 20141122 +# mmap21.sh rangelock issue? 20150326 +# mmap23.sh Waiting commit +# mmap24.sh Waiting commit +# mmap25.sh Waiting commit +# mmap26.sh Waiting commit # msdos5.sh Panic: Freeing unused sector ... 20141118 # newfs.sh Memory modified after free. ... used by inodedep 20111217 # newfs2.sh umount stuck in ufs 20111226 @@ -76,13 +87,14 @@ # snap6.sh panic: softdep_deallocate_dependencies: unrecovered ... 20130630 # snap8.sh panic: softdep_deallocate_dependencies: unrecovered ... 20120630 # snap9.sh panic: softdep_deallocate_dependencies: unrecovered ... 20150217 +# suj3.sh panic: Memory modified after free 20150721 # suj9.sh page fault in softdep_count_dependencies+0x27 20141116 # suj11.sh panic: ufsdirhash_newblk: bad offset 20120118 # suj13.sh general protection fault in bufdaemon 20141130 # suj18.sh panic: Bad tailq NEXT(0xc1e2a6088->tqh_last_s) != NULL 20120213 # suj30.sh panic: flush_pagedep_deps: MKDIR_PARENT 20121020 # suj34.sh Various hangs and panics 20131210 -# trim4.sh Page fault in softdep_count_dependencies+0x27 20140608 +# trim4.sh Page fault in softdep_count_dependencies+0x27 20140608 # umountf3.sh KDB: enter: watchdog timeout 20111217 # umountf7.sh panic: handle_written_inodeblock: live inodedep ... 20131129 # unionfs.sh insmntque: non-locked vp: xx is not exclusive locked... 20130909 @@ -95,7 +107,8 @@ # newfs3.sh OK, but runs for a very long time # mmap10.sh OK, but runs for a long time # mmap11.sh OK, but runs for a very long time -# mmap15.sh Rung for a very long time +# mmap15.sh Runs for a very long time +# mmap22.sh Runs for a very long time # statfs.sh Not very interesting # syscall.sh OK, but runs for a very long time # syscall2.sh OK, but runs for a very long time @@ -206,9 +219,10 @@ while true; do start=`date '+%s'` ./$i 2>&1 | tee $alloutput grep -qw FAIL $alloutput && - echo "`date '+%Y%m%d %T'` $i" >> $allfaillog + echo "`date '+%Y%m%d %T'` $i" >> $allfaillog && + logger "stress2 test $i failed" rm -f $alloutput - [ $((`date '+%s'` - $start)) -gt 1830 ] && + [ $((`date '+%s'` - $start)) -gt 1900 ] && printf "*** Excessive run time: %s %d min\r\n" $i, \ $(((`date '+%s'` - $start) / 60))> /dev/console done Modified: user/pho/stress2/misc/suj3.sh ============================================================================== --- user/pho/stress2/misc/suj3.sh Tue Jul 21 12:53:47 2015 (r285746) +++ user/pho/stress2/misc/suj3.sh Tue Jul 21 13:25:56 2015 (r285747) @@ -32,6 +32,9 @@ # Sector size > 512 test. +# "panic: Memory modified after free ..." seen. +# https://people.freebsd.org/~pho/stress/log/suj3-2.txt + . ../default.cfg mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint From owner-svn-src-user@freebsd.org Sat Jul 25 19:30:28 2015 Return-Path: Delivered-To: svn-src-user@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 6655D9AA36A for ; Sat, 25 Jul 2015 19:30:28 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.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 557D3E5B; Sat, 25 Jul 2015 19:30:28 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.70]) by repo.freebsd.org (8.14.9/8.14.9) with ESMTP id t6PJUScm095786; Sat, 25 Jul 2015 19:30:28 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.14.9/8.14.9/Submit) id t6PJURVY095781; Sat, 25 Jul 2015 19:30:27 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201507251930.t6PJURVY095781@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Sat, 25 Jul 2015 19:30:27 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r285880 - 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: 2.1.20 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: Sat, 25 Jul 2015 19:30:28 -0000 Author: pho Date: Sat Jul 25 19:30:26 2015 New Revision: 285880 URL: https://svnweb.freebsd.org/changeset/base/285880 Log: Added regression tests for r285878. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/mmap23.sh (contents, props changed) user/pho/stress2/misc/mmap24.sh (contents, props changed) user/pho/stress2/misc/mmap25.sh (contents, props changed) user/pho/stress2/misc/mmap26.sh (contents, props changed) Added: user/pho/stress2/misc/mmap23.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/mmap23.sh Sat Jul 25 19:30:26 2015 (r285880) @@ -0,0 +1,111 @@ +#!/bin/sh + +# +# Copyright (c) 2015 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_object_unwire: missing page" seen. +# https://people.freebsd.org/~pho/stress/log/mmap23.txt +# Test scenario by kib@. +# Fixed by r285878. + +. ../default.cfg + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/mmap23.c +mycc -o mmap23 -Wall -Wextra mmap23.c || exit 1 +rm -f mmap23.c +cd $odir + +cp /tmp/mmap23 /tmp/mmap23.inputfile +daemon sh -c '(cd ../testcases/swap; ./swap -t 1m -i 2)' > \ + /dev/null 2>&1 + +/tmp/mmap23 /tmp/mmap23.inputfile & +sleep .2 +dd if=/dev/zero of=/tmp/mmap23.inputfile bs=1k count=1 2>&1 | \ + egrep -v "records|transferred" + +while ps auxww | grep -v grep | grep -qw swap; do + killall -9 swap 2>/dev/null +done + +rm -f /tmp/mmap23 /tmp/mmap23.inputfile +exit + +EOF +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +const char *file; + +void +test(void) +{ + struct stat st; + char *p; + size_t len; + int error, fd; + + if ((fd = open(file, O_RDWR)) == -1) + err(1, "open %s", file); + if ((error = fstat(fd, &st)) == -1) + err(1, "stat(%s)", file); + len = round_page(st.st_size); + if ((p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap"); + p[arc4random() % len] = 1; + if ((error = mlock(p, len)) == -1) + err(1, "mlock"); + sleep(2); + if (munmap(p, len) == -1) + err(1, "unmap()"); + close(fd); +} + +int +main(int argc, char *argv[]) +{ + if (argc != 2) + errx(1, "Usage: %s ", argv[0]); + file = argv[1]; + + test(); + + return (0); +} Added: user/pho/stress2/misc/mmap24.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/mmap24.sh Sat Jul 25 19:30:26 2015 (r285880) @@ -0,0 +1,100 @@ +#!/bin/sh + +# +# Copyright (c) 2015 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_page_unwire: page 0xc36cafbc's wire count is zero" seen. +# https://people.freebsd.org/~pho/stress/log/mmap24.txt +# Test scenario by trasz@. +# Fixed by r285878. + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/mmap24.c +mycc -o mmap24 -Wall -Wextra mmap24.c || exit 1 +rm -f mmap24.c +cd $odir + +[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 1g -u $mdstart || exit 1 +bsdlabel -w md$mdstart auto +newfs $newfs_flags md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +chmod 777 $mntpoint + +cp /tmp/mmap24 $mntpoint +(cd $mntpoint; ./mmap24) & +sleep .2 +umount -f $mntpoint + +kill $! +wait + +while mount | grep "on $mntpoint " | grep -q /dev/md; do + umount $mntpoint || sleep 1 +done + +rm -f /tmp/mmap24 +exit + +EOF +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include + +int +main(void) +{ + int error; + + error = mlockall(MCL_CURRENT | MCL_FUTURE); + if (error != 0) + err(1, "mlockall"); + + for (;;) { + sleep(1); + } +} Added: user/pho/stress2/misc/mmap25.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/mmap25.sh Sat Jul 25 19:30:26 2015 (r285880) @@ -0,0 +1,122 @@ +#!/bin/sh + +# +# Copyright (c) 2015 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_page_unwire: page 0xc36cce48's wire count is zero" seen. +# Fixed by r285878. + +# Test scenario by kib@: +# 1. We mapped and mlocked the file. +# 2. The file is truncated +# 3. The file is extended again to cover the whole mapped area. +# 4. The program accesses the mapping past the point of truncation. + +. ../default.cfg + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/mmap25.c +mycc -o mmap25 -Wall -Wextra mmap25.c || exit 1 +rm -f mmap25.c +cd $odir + +cp /tmp/mmap25 /tmp/mmap25.inputfile +daemon sh -c '(cd ../testcases/swap; ./swap -t 1m -i 2)' > \ + /dev/null 2>&1 +sleep 1 + +/tmp/mmap25 /tmp/mmap25.inputfile + +while ps auxww | grep -v grep | grep -qw swap; do + killall -9 swap 2>/dev/null +done +rm -f /tmp/mmap25 /tmp/mmap25.inputfile mmap25.core +exit + +EOF +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +const char *file; +volatile char c; + +void +test(void) +{ + struct stat st; + char *p; + size_t len; + off_t pos; + int error, fd; + + if ((fd = open(file, O_RDWR)) == -1) + err(1, "open %s", file); + if ((error = fstat(fd, &st)) == -1) + err(1, "stat(%s)", file); + len = round_page(st.st_size); + pos = len - getpagesize(); + if ((p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) + == MAP_FAILED) + err(1, "mmap"); + if ((error = mlock(p, len)) == -1) + err(1, "mlock"); + + if (ftruncate(fd, pos) == -1) + err(1, "ftruncate 1"); + if (ftruncate(fd, len) == -1) + err(1, "ftruncate 2"); + + c = p[pos]; /* Program received signal SIGSEGV, Segmentation fault. */ + + if (munmap(p, len) == -1) + err(1, "unmap()"); + close(fd); +} + +int +main(int argc, char *argv[]) +{ + if (argc != 2) + errx(1, "Usage: %s ", argv[0]); + file = argv[1]; + + test(); + + return (0); +} Added: user/pho/stress2/misc/mmap26.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/mmap26.sh Sat Jul 25 19:30:26 2015 (r285880) @@ -0,0 +1,126 @@ +#!/bin/sh + +# +# Copyright (c) 2015 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_page_unwire: page 0xc36cce48's wire count is zero" seen. +# https://people.freebsd.org/~pho/stress/log/kostik820.txt +# Fixed by r285878. + +# Variation of mmap25.sh: +# Access one byte past the end of the file, which is not wrong, but +# out of specified behaviour. + +. ../default.cfg + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/mmap26.c +mycc -o mmap26 -Wall -Wextra mmap26.c || exit 1 +rm -f mmap26.c +cd $odir + +cp /tmp/mmap26 /tmp/mmap26.inputfile +daemon sh -c '(cd ../testcases/swap; ./swap -t 1m -i 2)' > \ + /dev/null 2>&1 +sleep 1 + +(cd /tmp; /tmp/mmap26 /tmp/mmap26.inputfile) + +while ps auxww | grep -v grep | grep -qw swap; do + killall -9 swap 2>/dev/null +done +rm -f /tmp/mmap26 /tmp/mmap26.inputfile /tmp/mmap26.core +exit + +EOF +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +const char *file; +volatile char c; + +void +test(void) +{ + struct stat st; + char *p; + size_t len; + int error, fd; + + if ((fd = open(file, O_RDWR)) == -1) + err(1, "open %s", file); + if ((error = fstat(fd, &st)) == -1) + err(1, "stat(%s)", file); + len = round_page(st.st_size); + if ((p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) + == MAP_FAILED) + err(1, "mmap"); + if ((error = mlock(p, len)) == -1) + err(1, "mlock"); + + if (ftruncate(fd, (off_t)0) == -1) + err(1, "ftruncate 1"); + if (ftruncate(fd, len) == -1) + err(1, "ftruncate 2"); + + p[len - 1] = 1; + + /* one byte past EOF */ + if (round_page(p + len) == round_page(p + len - 1)) { + fprintf(stderr, "Expect: Segmentation fault (core dumped)\n"); + c = p[len]; + } + + if (munmap(p, len) == -1) + err(1, "unmap()"); + close(fd); +} + +int +main(int argc, char *argv[]) +{ + if (argc != 2) + errx(1, "Usage: %s ", argv[0]); + file = argv[1]; + + test(); + + return (0); +}