#!/bin/sh
#
# Copyright (c) 2011 Peter Holm <pho@FreeBSD.org>
# 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.
#
# Test for SU problem with "out of inodes" for CREAT
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
. ../default.cfg
here=`pwd`
cd /tmp
sed '1,/^EOF/d' < $here/$0 > linger4.c
mycc -o linger4 -Wall -Wextra -O2 linger4.c
rm -f linger4.c
mount | grep "$mntpoint" | grep -q md$mdstart && umount $mntpoint
mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart
mdconfig -a -t swap -s 2g -u $mdstart
bsdlabel -w md$mdstart auto
[ $# -eq 1 ] && opt="$1"
[ $# -eq 0 ] && opt="$newfs_flags -n" # No argument == default flag
echo "newfs $opt md${mdstart}$part"
newfs $opt md${mdstart}$part > /dev/null
mount /dev/md${mdstart}$part $mntpoint
cd $mntpoint
chmod 777 $mntpoint
su $testuser -c "/tmp/linger4" ||
{ ls -la $mntpoint; df -i $mntpoint; }
cd $here
while mount | grep -q $mntpoint; do
umount $mntpoint 2> /dev/null || sleep 1
done
mdconfig -d -u $mdstart
rm -f /tmp/linger4
exit 0
EOF
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#define LOOPS 300
#define NUMBER 80000 / PARALLEL /* Number of files to use. Max is 131068 */
#define PARALLEL 4
#define TIMEOUT (20 * 60)
void
Creat(int loopno)
{
int e, fd, i, j;
char file[128];
char path[128];
pid_t pid;
e = 0;
pid = getpid();
sprintf(path, "f%06d", pid);
if (mkdir(path, 0770) == -1)
warn("mkdir(%s), %s:%d, loop #%d", path, __FILE__, __LINE__, loopno);
chdir(path);
for (j = 0; j < NUMBER; j++) {
sprintf(file,"p%05d.%05d", pid, j);
if ((fd = creat(file, 0660)) == -1) {
if (errno != EINTR) {
warn("creat(%s). %s:%d, loop #%d", file, __FILE__, __LINE__, loopno);
e = 1;
break;
}
}
if (fd != -1 && close(fd) == -1)
err(2, "close(%d)", j);
}
for (i = --j; i >= 0; i--) {
sprintf(file,"p%05d.%05d", pid, i);
if (unlink(file) == -1)
err(3, "unlink(%s)", file);
}
chdir ("..");
if (rmdir(path) == -1)
err(1, "rmdir(%s), %s:%d, loop #%d", path, __FILE__, __LINE__, loopno);
_exit(e);
}
int
main()
{
time_t start;
int e, i, j, status;
e = 0;
start = time(NULL);
for (j = 0; j < LOOPS; j++) {
for (i = 0; i < PARALLEL; i++) {
if (fork() == 0)
Creat(j);
}
for (i = 0; i < PARALLEL; i++) {
wait(&status);
e += WEXITSTATUS(status);
}
if (e != 0)
break;
// sleep(60); /* No problems if this is included */
if (time(NULL) - start > TIMEOUT) {
fprintf(stderr, "Timeout.\n");
e++;
break;
}
}
return (e);
}
