stress2: Add a regression test for D38549

This commit is contained in:
Peter Holm 2023-02-14 09:44:58 +01:00
parent b11081dca7
commit 3f1f48f1d9

View File

@ -0,0 +1,250 @@
#!/bin/sh
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2023 Peter Holm <pho@FreeBSD.org>
#
# 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.
#
# D38549: msdosfs deextend: validate pages of the partial buffer
# https://people.freebsd.org/~pho/stress/log/log0420.txt
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
. ../default.cfg
set -eu
prog=$(basename "$0" .sh)
mkdir -p $mntpoint
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 $mdstart
newfs_msdos /dev/md$mdstart > /dev/null 2>&1
mount -t msdosfs /dev/md$mdstart $mntpoint
mount | grep $mntpoint
set +e
odir=`pwd`
cd /tmp
sed '1,/^EOF/d' < $odir/$0 > $prog.c
cc -o $prog -Wall -O0 $prog.c -pthread || exit 1
rm -f $prog.c
cd $mntpoint
in=inputFile
out=outputFile
/tmp/$prog $in $out 12345
ls -al
cd $odir
umount $mntpoint
mdconfig -d -u $mdstart
rm -f /tmp/$prog
exit
EOF
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <err.h>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <pthread.h>
#include <pthread_np.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
int fd, port;
volatile int go;
char *inputFile;
char *outputFile;
#define FSIZE 936374
char buf[FSIZE];
static void
reader(void) {
struct sockaddr_in inetaddr, inetpeer;
socklen_t len;
int on, n, tcpsock, msgsock;
on = 1;
if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
err(1, "socket(), %s:%d", __FILE__, __LINE__);
if (setsockopt(tcpsock,
SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
err(1, "setsockopt(), %s:%d", __FILE__, __LINE__);
inetaddr.sin_family = AF_INET;
inetaddr.sin_addr.s_addr = INADDR_ANY;
inetaddr.sin_port = htons(port);
inetaddr.sin_len = sizeof(inetaddr);
if (bind(tcpsock,
(struct sockaddr *)&inetaddr, sizeof (inetaddr)) < 0)
err(1, "bind(), %s:%d", __FILE__, __LINE__);
if (listen(tcpsock, 5) < 0)
err(1, "listen(), %s:%d", __FILE__, __LINE__);
len = sizeof(inetpeer);
if ((msgsock = accept(tcpsock,
(struct sockaddr *)&inetpeer, &len)) < 0)
err(1, "accept(), %s:%d", __FILE__, __LINE__);
if ((fd = open(outputFile, O_RDWR | O_CREAT | O_TRUNC, 0640)) == -1)
err(1, "open(%s)", outputFile);
usleep(arc4random() % 1000);
for (;;) {
if ((n = read(msgsock, buf, FSIZE)) < 0)
err(1, "read(), %s:%d", __FILE__, __LINE__);
if (n == 0)
break;
}
close(msgsock);
close(tcpsock);
close(fd);
return;
}
static void *
thr(void *data __unused)
{
pthread_set_name_np(pthread_self(), __func__);
go = 1;
while (go == 1) {
ftruncate(fd, FSIZE / 2);
ftruncate(fd, FSIZE);
}
return (NULL);
}
static void
writer(void) {
struct hostent *hostent;
struct sockaddr_in inetaddr;
pthread_t tid;
off_t off = 0;
size_t size;
int i, on, r, tcpsock;
on = 1;
for (i = 1; i < 5; i++) {
if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
err(1, "socket(), %s:%d", __FILE__, __LINE__);
if (setsockopt(tcpsock,
SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
err(1, "setsockopt(), %s:%d", __FILE__, __LINE__);
size = getpagesize();
if (setsockopt(tcpsock, SOL_SOCKET, SO_SNDBUF, (void *)&size,
sizeof(size)) < 0)
err(1, "setsockopt(SO_SNDBUF), %s:%d",
__FILE__, __LINE__);
hostent = gethostbyname ("localhost");
memcpy (&inetaddr.sin_addr.s_addr, hostent->h_addr,
sizeof (struct in_addr));
inetaddr.sin_family = AF_INET;
inetaddr.sin_port = htons(port);
inetaddr.sin_len = sizeof(inetaddr);
r = connect(tcpsock, (struct sockaddr *) &inetaddr,
sizeof(inetaddr));
if (r == 0)
break;
sleep(1);
close(tcpsock);
}
if (r < 0)
err(1, "connect(), %s:%d", __FILE__, __LINE__);
if ((fd = open(inputFile, O_RDWR | O_CREAT | O_TRUNC, 0640)) == -1)
err(1, "open(%s)", inputFile);
if (write(fd, buf, sizeof(buf)) != sizeof(buf))
err(1, "write()");
r = pthread_create(&tid, NULL, thr, NULL);
if (r)
errc(1, r, "pthread_create");
usleep(5000);
if (sendfile(fd, tcpsock, 0, FSIZE, NULL, &off, 0) == -1)
err(1, "sendfile");
usleep(arc4random() % 20000);
go = 0;
if ((r = pthread_join(tid, NULL)) != 0)
errc(1, r, "pthread_join");
_exit(0);
}
int
main(int argc, char **argv)
{
pid_t pid;
time_t start;
if (argc != 4) {
fprintf(stderr, "Usage: %s <inputFile outputFile portNumber\n",
argv[0]);
return (1);
}
inputFile = argv[1];
outputFile = argv[2];
port = atoi(argv[3]);
pthread_set_name_np(pthread_self(), __func__);
start = time(NULL);
while (time(NULL) - start < 120) {
if ((pid = fork()) == 0) {
writer();
} else if (pid > 0) {
reader();
kill(pid, SIGINT);
if (waitpid(pid, NULL, 0) != pid)
err(1, "waitpid()");
} else
err(1, "fork(), %s:%d", __FILE__, __LINE__);
}
return (0);
}