Date: Sat, 25 Jul 2015 19:30:27 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r285880 - user/pho/stress2/misc Message-ID: <201507251930.t6PJURVY095781@repo.freebsd.org>
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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 <sys/fcntl.h> +#include <sys/mman.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> + +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 <file>", 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 <sys/fcntl.h> +#include <sys/mman.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> + +#include <sys/mman.h> +#include <err.h> +#include <stdio.h> +#include <unistd.h> + +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 <sys/fcntl.h> +#include <sys/mman.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> + +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 <file>", 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 <sys/fcntl.h> +#include <sys/mman.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> + +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +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 <file>", argv[0]); + file = argv[1]; + + test(); + + return (0); +}
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