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Sat, 14 Jan 2023 19:19:26 GMT (envelope-from git) Date: Sat, 14 Jan 2023 19:19:26 GMT Message-Id: <202301141919.30EJJQr4021663@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Peter Holm Subject: git: 4dcc6baddb44 - main - stress2: Added a regression test List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: pho X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 4dcc6baddb446d27a60e30ccc24b29d9e47b553a Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by pho: URL: https://cgit.FreeBSD.org/src/commit/?id=4dcc6baddb446d27a60e30ccc24b29d9e47b553a commit 4dcc6baddb446d27a60e30ccc24b29d9e47b553a Author: Peter Holm AuthorDate: 2023-01-14 19:19:05 +0000 Commit: Peter Holm CommitDate: 2023-01-14 19:19:05 +0000 stress2: Added a regression test --- tools/test/stress2/misc/fsync3.sh | 156 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 156 insertions(+) diff --git a/tools/test/stress2/misc/fsync3.sh b/tools/test/stress2/misc/fsync3.sh new file mode 100755 index 000000000000..f220d19b8c24 --- /dev/null +++ b/tools/test/stress2/misc/fsync3.sh @@ -0,0 +1,156 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause +# +# Copyright (c) 2023 Peter Holm +# +# 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. +# + +# Regression test for D37997: ffs_syncvnode(): avoid a LoR for SU +# https://people.freebsd.org/~pho/stress/log/log0402.txt +# Fixed by 6e1eabadcb1d - main - ffs_syncvnode(): avoid a LoR for SU + +# Test scenario based on report by jkim + +. ../default.cfg +[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 + +dir=/tmp +odir=`pwd` +prog=$(basename "$0" .sh) +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/$prog.c +mycc -o $prog -Wall -Wextra -O0 -g $prog.c -lpthread || exit 1 +rm -f $prog.c +cd $odir + +set -eu +mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint +[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 1g -u $mdstart +newfs -U md$mdstart > /dev/null +mount /dev/md$mdstart $mntpoint +set +e + +cd $odir +../testcases/swap/swap -t 1m -i 20 -l 100 > /dev/null & +sleep .5 +cd $mntpoint +mkdir -p d1/d2/d3/d4/d5 +for i in `jot 8`; do + $dir/$prog $i & +done +cd $odir +wait + +for i in `jot 6`; do + mount | grep -q "on $mntpoint " || break + umount $mntpoint && break || sleep 10 + [ $i -eq 6 ] && + { echo FATAL; fstat -mf $mntpoint; exit 1; } +done +mdconfig -d -u $mdstart +rm -rf $dir/$prog +exit 0 +EOF +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define RUNTIME 60 + +static time_t start; +static volatile int fd, n; +static char buf[4096]; + +static void * +t1(void *data __unused) +{ + char *path = "d1/d2/d3/d4/d5"; + char d1[1024], d2[1024], file[1024]; + + pthread_set_name_np(pthread_self(), __func__); + snprintf(d1, sizeof(d1), "%s/dir.%d", path, getpid()); + snprintf(d2, sizeof(d2), "%s/new.%d", path, getpid()); + snprintf(file, sizeof(file), "%s/../file.%d", path, getpid()); + while (time(NULL) - start < RUNTIME) { + if (mkdir(d1, 0740) == -1) + err(1, "mkdir(%s)", d1); + if (rename(d1, d2) == -1) + err(1, "rename(%s, %s)", d1, d2); + if ((fd = open(file, O_RDWR | O_CREAT | O_TRUNC, 0600)) == -1) + err(1, "open%s()", file); + if (write(fd, buf, sizeof(buf)) != sizeof(buf)) + err(1, "write()"); + close(fd); + if (rename(d2, d1) == -1) + err(1, "rename(%s, %s)", d2, d1); + if (rmdir(d1) == -1) + err(1, "rmdir(%s)", d1); + } + + return (NULL); +} + +static void * +t2(void *data __unused) +{ + pthread_set_name_np(pthread_self(), __func__); + while (time(NULL) - start < RUNTIME) { + fsync(fd); + usleep(arc4random() % 500); + } + + return (NULL); +} + +int +main(int argc __unused, char *argv[]) +{ + pthread_t tid[2]; + int r; + + n = atoi(argv[1]); + start = time(NULL); + if ((r = pthread_create(&tid[0], NULL, t1, NULL)) != 0) + errc(1, r, "pthread_create"); + if ((r = pthread_create(&tid[1], NULL, t2, NULL)) != 0) + errc(1, r, "pthread_create"); + + if ((r = pthread_join(tid[0], NULL)) != 0) + errc(1, r, "pthread_join"); + if ((r = pthread_join(tid[1], NULL)) != 0) + errc(1, r, "pthread_join"); + + return (0); +}