mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-25 10:01:02 +01:00
4d846d260e
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
142 lines
3.3 KiB
Bash
Executable File
142 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
#
|
|
# SPDX-License-Identifier: BSD-2-Clause
|
|
#
|
|
# Copyright (c) 2018 Dell EMC Isilon
|
|
#
|
|
# 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 based on scenario by Babcia Padlina
|
|
|
|
# "panic: mutex pipe mutex not owned at sys_pipe.c:1769" seen:
|
|
# https://people.freebsd.org/~pho/stress/log/kevent13.txt
|
|
# Fixed by r235640.
|
|
|
|
. ../default.cfg
|
|
|
|
odir=`pwd`
|
|
cd /tmp
|
|
sed '1,/^EOF/d' < $odir/$0 > kevent13.c
|
|
cc -o kevent13 -Wall kevent13.c -lpthread
|
|
rm -f kevent13.c
|
|
|
|
[ -d "$RUNDIR" ] || mkdir -p $RUNDIR
|
|
cd $RUNDIR
|
|
start=`date +%s`
|
|
while [ $((`date +%s` - start)) -lt 300 ]; do
|
|
for i in `jot 10`; do
|
|
/tmp/kevent13 &
|
|
/tmp/kevent13 &
|
|
wait
|
|
done
|
|
done
|
|
|
|
rm -f /tmp/kevent13
|
|
exit 0
|
|
EOF
|
|
/*
|
|
* 29.08.2009, babcia padlina
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/event.h>
|
|
#include <sys/param.h>
|
|
#include <sys/timespec.h>
|
|
#include <unistd.h>
|
|
|
|
#include <err.h>
|
|
#include <fcntl.h>
|
|
#include <pthread.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#define LOOPS 200000
|
|
|
|
struct kevent kev[2], ke[2];
|
|
struct timespec timeout;
|
|
volatile int go;
|
|
int fd[2], kq;
|
|
|
|
void
|
|
do_thread(void) {
|
|
int i;
|
|
|
|
go = 1;
|
|
for (i = 0; i < LOOPS; i++) {
|
|
if (pipe(fd) < 0)
|
|
err(1, "pipe");
|
|
memset(&kev, 0, sizeof(kev));
|
|
EV_SET(&kev[0], fd[0], EVFILT_READ, EV_ADD | EV_CLEAR, 0, 0, NULL);
|
|
EV_SET(&kev[1], fd[1], EVFILT_WRITE, EV_ADD | EV_CLEAR, 0, 0, NULL);
|
|
|
|
if (kevent(kq, kev, 2, ke, 2, &timeout) < 0)
|
|
err(1, "kevent");
|
|
|
|
close(fd[0]);
|
|
close(fd[1]);
|
|
}
|
|
}
|
|
|
|
void
|
|
do_thread2(void) {
|
|
int i;
|
|
|
|
while (go == 0)
|
|
usleep(10);
|
|
for (i = 0; i < LOOPS; i++) {
|
|
if (arc4random() % 2 == 0) {
|
|
close(fd[0]);
|
|
close(fd[1]);
|
|
} else {
|
|
close(fd[1]);
|
|
close(fd[0]);
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
main(void) {
|
|
pthread_t pth, pth2;
|
|
int r;
|
|
|
|
if ((kq = kqueue()) < 0)
|
|
err(1, "kqueue");
|
|
|
|
if ((r = pthread_create(&pth, NULL, (void *)do_thread, NULL)) != 0)
|
|
errc(1, r, "pthread_create");
|
|
if ((r = pthread_create(&pth2, NULL, (void *)do_thread2, NULL)) != 0)
|
|
errc(1, r, "pthread_create");
|
|
|
|
timeout.tv_sec = 0;
|
|
timeout.tv_nsec = 1;
|
|
|
|
if ((r = pthread_join(pth, NULL)) != 0)
|
|
errc(1, r, "pthread_join");
|
|
if ((r = pthread_join(pth2, NULL)) != 0)
|
|
errc(1, r, "pthread_join");
|
|
|
|
return (0);
|
|
}
|