1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2023 Peter Holm <pho@FreeBSD.org> 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30# Regression test for D38114: Handle ERELOOKUP from VOP_FSYNC() 31 32# "fsync4: msync(0x82d3cc000), file d1/d2/d3/d4/d5/../file.92660: 33# Input/output error" seen 34 35# Fixed by: 6189672e6008 - main - Handle ERELOOKUP from VOP_FSYNC() in 36# several other places 37 38. ../default.cfg 39[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 40 41dir=/tmp 42odir=`pwd` 43pids="" 44prog=$(basename "$0" .sh) 45s=0 46cd $dir 47sed '1,/^EOF/d' < $odir/$0 > $dir/$prog.c 48mycc -o $prog -Wall -Wextra -O0 -g $prog.c || exit 1 49rm -f $prog.c 50cd $odir 51 52set -eu 53mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint 54[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 55mdconfig -a -t swap -s 1g -u $mdstart 56newfs -U md$mdstart > /dev/null 57mount /dev/md$mdstart $mntpoint 58set +e 59 60cd $odir 61../testcases/swap/swap -t 1m -i 20 -l 100 > /dev/null & 62sleep .5 63cd $mntpoint 64mkdir -p d1/d2/d3/d4/d5 65for i in `jot 8`; do 66 $dir/$prog $i & 67 pids="$pids $!" 68done 69cd $odir 70for pid in $pids; do 71 wait $pid 72 [ $? -ne 0 ] && s=1 73done 74 75for i in `jot 6`; do 76 mount | grep -q "on $mntpoint " || break 77 umount $mntpoint && break || sleep 10 78 [ $i -eq 6 ] && 79 { echo FATAL; fstat -mf $mntpoint; exit 1; } 80done 81mdconfig -d -u $mdstart 82rm -rf $dir/$prog 83exit $s 84EOF 85#include <sys/types.h> 86#include <sys/mman.h> 87#include <sys/param.h> 88#include <sys/stat.h> 89 90 91#include <err.h> 92#include <fcntl.h> 93#include <stdio.h> 94#include <stdlib.h> 95#include <string.h> 96#include <unistd.h> 97 98#define RUNTIME 60 99#define SIZ (1024 * 1024) 100 101static time_t start; 102 103int 104main(void) 105{ 106 size_t len; 107 int fd, i, ps; 108 char *cp; 109 char *path = "d1/d2/d3/d4/d5"; 110 char d1[1024], d2[1024], file[1024]; 111 112 snprintf(d1, sizeof(d1), "%s/dir.%d", path, getpid()); 113 snprintf(d2, sizeof(d2), "%s/new.%d", path, getpid()); 114 snprintf(file, sizeof(file), "%s/../file.%d", path, getpid()); 115 116 start = time(NULL); 117 while (time(NULL) - start < RUNTIME) { 118 if (mkdir(d1, 0740) == -1) 119 err(1, "mkdir(%s)", d1); 120 if (rename(d1, d2) == -1) 121 err(1, "rename(%s, %s)", d1, d2); 122 if ((fd = open(file, O_RDWR | O_CREAT | O_TRUNC, 0600)) == -1) 123 err(1, "open%s()", file); 124 len = SIZ; 125 if (ftruncate(fd, len) == -1) 126 err(1, "ftruncate"); 127 cp = mmap(NULL, len, PROT_READ | PROT_WRITE, 128 MAP_SHARED, fd, 0); 129 if (cp == MAP_FAILED) 130 err(1, "mmap()"); 131 ps = getpagesize(); 132 for (i = 0; i < SIZ; i += ps) 133 cp[i] = 1; 134 if (msync(cp, 0, MS_SYNC) == -1) 135 err(1, "msync(%p), file %s", cp, file); 136 if (munmap(cp, len) == -1) 137 err(1, "unmap()"); 138 close(fd); 139 if (rename(d2, d1) == -1) 140 err(1, "rename(%s, %s)", d2, d1); 141 if (rmdir(d1) == -1) 142 err(1, "rmdir(%s)", d1); 143 } 144 145 return (0); 146} 147