1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2019 Dell EMC Isilon 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# "panic: Assertion in_epoch(net_epoch_preempt) failed at raw_ip6.c:742" 31# https://people.freebsd.org/~pho/stress/log/setsockopt2.txt 32 33. ../default.cfg 34[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 35 36dir=/tmp 37odir=`pwd` 38cd $dir 39sed '1,/^EOF/d' < $odir/$0 > $dir/setsockopt2.c 40mycc -o setsockopt2 -Wall -Wextra -O0 -g setsockopt2.c || exit 1 41rm -f setsockopt2.c 42cd $odir 43 44set -e 45mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint 46[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 47mdconfig -a -t swap -s 2g -u $mdstart 48newfs $newfs_flags md$mdstart > /dev/null 49mount /dev/md$mdstart $mntpoint 50set +e 51 52(cd ../testcases/swap; ./swap -t 5m -i 20) & 53cd $mntpoint 54$dir/setsockopt2 55s=$? 56[ -f setsockopt2.core -a $s -eq 0 ] && 57 { ls -l setsockopt2.core; mv setsockopt2.core $dir; s=1; } 58cd $odir 59while pkill swap; do :; done 60wait 61 62for i in `jot 6`; do 63 mount | grep -q "on $mntpoint " || break 64 umount $mntpoint && break || sleep 10 65 [ $i -eq 6 ] && 66 { echo FATAL; fstat -mf $mntpoint; exit 1; } 67done 68mdconfig -d -u $mdstart 69rm -rf $dir/setsockopt2 70exit $s 71 72EOF 73#include <sys/param.h> 74#include <sys/mman.h> 75#include <sys/socket.h> 76#include <sys/stat.h> 77#include <sys/un.h> 78#include <sys/wait.h> 79 80#include <err.h> 81#include <errno.h> 82#include <fcntl.h> 83#include <stdio.h> 84#include <stdlib.h> 85#include <string.h> 86#include <time.h> 87#include <unistd.h> 88 89static int debug; /* set to 1 for debug output */ 90static volatile u_int *share; 91 92#define PARALLEL 128 93#define RUNTIME (2 * 60) 94#define SYNC 0 95 96static void 97test(void) 98{ 99 struct sockaddr_un sun; 100 pid_t pid; 101 time_t start; 102 char file[80]; 103 int domain, fd, i, one, prot, success, typ; 104 105 success = 0; 106 snprintf(file, sizeof(file), "setsockopt2.socket.%d", getpid()); 107 memset(&sun, 0, sizeof(sun)); 108 sun.sun_family = AF_LOCAL; 109 sun.sun_len = sizeof(sun); 110 snprintf(sun.sun_path, sizeof(sun.sun_path), "%s", file); 111 unlink(file); 112 113 start = time(NULL); 114 while (time(NULL) - start < 30) { 115 share[SYNC] = 0; 116 fd = -1; 117 while (fd == -1) { 118 domain = arc4random() % 256; 119 typ = arc4random() % 10; 120 if (arc4random() % 100 < 20) 121 prot = arc4random() % 10; 122 else 123 prot = 0; 124 if ((fd = socket(domain, typ, prot)) == -1) 125 continue; 126 close(fd); 127 } 128 pid = fork(); 129 if (pid < 0) 130 err(1, "fork"); 131 if (pid == 0) { 132 // listen 133 fd = socket(domain, typ, prot); 134 if (fd < 0) 135 _exit(0); 136 one = 1; 137 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, 138 sizeof(one)) < 0) 139 err(1, "setsockopt"); 140 if (bind(fd, (struct sockaddr *)&sun, sizeof(sun)) < 0) 141 _exit(0); 142 if (listen(fd, 10) == 0) { 143 share[SYNC] = 1; 144 usleep(random() % 10000); 145 } 146 (void)close(fd); 147 (void)unlink(file); 148 _exit(0); 149 } 150 fd = socket(domain, typ, prot); 151 if (fd == -1) 152 goto bad; 153 154 setsockopt(fd, 0xffff, 0x80, 0x0, 0x0); 155 sun.sun_len = arc4random() % 128; 156 sun.sun_family = arc4random() % 10; 157 setsockopt(fd, 0x6, 0x401, &sun, 0x14); 158 159 for (i = 0; share[SYNC] == 0 && i < 10; i++) 160 usleep(100); 161 if (connect(fd, (struct sockaddr *)&sun, sizeof(sun)) != -1) 162 success++; 163 usleep(random() % 100); 164bad: 165 (void)close(fd); 166 if (waitpid(pid, NULL, 0) != pid) 167 err(1, "waitpid(%d)", pid); 168 } 169 if (debug != 0 && success == 0) 170 fprintf(stderr, "No calls to connect() succeded.\n"); 171 172 _exit(0); 173} 174 175int 176main(void) 177{ 178 pid_t pids[PARALLEL]; 179 size_t len; 180 time_t start; 181 int e, i, status; 182 183 e = 0; 184 len = PAGE_SIZE; 185 if ((share = mmap(NULL, len, PROT_READ | PROT_WRITE, 186 MAP_ANON | MAP_SHARED, -1, 0)) == MAP_FAILED) 187 err(1, "mmap"); 188 189 start = time(NULL); 190 while ((time(NULL) - start) < RUNTIME) { 191 for (i = 0; i < PARALLEL; i++) { 192 if ((pids[i] = fork()) == 0) 193 test(); 194 if (pids[i] == -1) 195 err(1, "fork()"); 196 } 197 for (i = 0; i < PARALLEL; i++) { 198 if (waitpid(pids[i], &status, 0) == -1) 199 err(1, "waitpid(%d)", pids[i]); 200 if (status != 0) { 201 if (WIFSIGNALED(status)) 202 fprintf(stderr, 203 "pid %d exit signal %d\n", 204 pids[i], WTERMSIG(status)); 205 } 206 e += status == 0 ? 0 : 1; 207 } 208 } 209 210 return (e); 211} 212