18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 48a272653SPeter Holm# Copyright (c) 2017 Dell EMC Isilon 58a272653SPeter Holm# All rights reserved. 68a272653SPeter Holm# 78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 88a272653SPeter Holm# modification, are permitted provided that the following conditions 98a272653SPeter Holm# are met: 108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 118a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 138a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 148a272653SPeter Holm# documentation and/or other materials provided with the distribution. 158a272653SPeter Holm# 168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 198a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 268a272653SPeter Holm# SUCH DAMAGE. 278a272653SPeter Holm# 288a272653SPeter Holm 298a272653SPeter Holm# pmc fuzz test 308a272653SPeter Holm 318a272653SPeter Holm. ../default.cfg 328a272653SPeter Holm 338a272653SPeter Holmkldstat -v | grep -q hwpmc || { kldload hwpmc; loaded=1; } 348a272653SPeter Holmdir=/tmp 358a272653SPeter Holmodir=`pwd` 368a272653SPeter Holmcd $dir 378a272653SPeter Holmsed '1,/^EOF/d' < $odir/$0 > $dir/pmc4.c 388a272653SPeter Holmmycc -o pmc4 -Wall -Wextra -O0 -g pmc4.c -lpmc -lpthread || exit 0 398a272653SPeter Holmrm -f pmc4.c 408a272653SPeter Holm 418a272653SPeter Holmfor i in `jot 100`; do 428a272653SPeter Holm ./pmc4 438a272653SPeter Holmdone > /dev/null 2>&1 448a272653SPeter Holm 458a272653SPeter Holmrm -rf pmc4 pmc4.core 468a272653SPeter Holm[ $loaded ] && kldunload hwpmc 478a272653SPeter Holmexit 0 488a272653SPeter Holm 498a272653SPeter HolmEOF 508a272653SPeter Holm#include <sys/param.h> 518a272653SPeter Holm#include <sys/event.h> 528a272653SPeter Holm 538a272653SPeter Holm#include <err.h> 548a272653SPeter Holm#include <pmc.h> 558a272653SPeter Holm#include <pmclog.h> 568a272653SPeter Holm#include <pthread.h> 578a272653SPeter Holm#include <stdio.h> 588a272653SPeter Holm#include <stdlib.h> 598a272653SPeter Holm#include <unistd.h> 608a272653SPeter Holm 618a272653SPeter Holmstatic int fd1[2]; 628a272653SPeter Holmstatic int kq; 638a272653SPeter Holm#define THREADS 20 648a272653SPeter Holm 658a272653SPeter Holmstatic void * 668a272653SPeter Holmtest(void *arg __unused) 678a272653SPeter Holm{ 688a272653SPeter Holm 698a272653SPeter Holm void *rfd; 708a272653SPeter Holm char *cmdline[] = { "/usr/bin/true", NULL }; 718a272653SPeter Holm 728a272653SPeter Holm if ((rfd = pmclog_open(kq)) == NULL) 738a272653SPeter Holm err(1, "pmclog_open(%d)", kq); 748a272653SPeter Holm if (pmc_configure_logfile(kq) < 0) 758a272653SPeter Holm err(1, "ERROR: Cannot configure log file"); 768a272653SPeter Holm sleep(1); 778a272653SPeter Holm usleep(arc4random() % 20000); 788a272653SPeter Holm if (execve(cmdline[0], cmdline, NULL) == -1) 798a272653SPeter Holm err(1, "execve"); 808a272653SPeter Holm 818a272653SPeter Holm return (0); 828a272653SPeter Holm} 838a272653SPeter Holm 848a272653SPeter Holmint 858a272653SPeter Holmmain(void) 868a272653SPeter Holm{ 878a272653SPeter Holm struct kevent ev[3]; 888a272653SPeter Holm pthread_t tid[THREADS]; 898a272653SPeter Holm int i, n, rc; 908a272653SPeter Holm 918a272653SPeter Holm if (pmc_init() == -1) 928a272653SPeter Holm err(1, "pmc_init"); 938a272653SPeter Holm 948a272653SPeter Holm if (pipe(fd1) == -1) 958a272653SPeter Holm err(1, "pipe()"); 968a272653SPeter Holm 978a272653SPeter Holm if ((kq = kqueue()) < 0) 988a272653SPeter Holm err(1, "kqueue(). %s:%d", __FILE__, __LINE__); 998a272653SPeter Holm 1008a272653SPeter Holm n = 0; 1018a272653SPeter Holm EV_SET(&ev[n], fd1[1], EVFILT_WRITE, 1028a272653SPeter Holm EV_ADD | EV_ENABLE | EV_CLEAR, 0, 0, 0); 1038a272653SPeter Holm n++; 1048a272653SPeter Holm 1058a272653SPeter Holm if (kevent(kq, ev, n, NULL, 0, NULL) < 0) 1068a272653SPeter Holm err(1, "kevent(). %s:%d", __FILE__, __LINE__); 1078a272653SPeter Holm n = 0; 1088a272653SPeter Holm EV_SET(&ev[n], fd1[1], EVFILT_WRITE, 1098a272653SPeter Holm EV_DELETE, 0, 0, 0); 1108a272653SPeter Holm n++; 1118a272653SPeter Holm if (kevent(kq, ev, n, NULL, 0, NULL) < 0) 1128a272653SPeter Holm warn("kevent(). %s:%d", __FILE__, __LINE__); 1138a272653SPeter Holm 1148a272653SPeter Holm for (i = 0; i < THREADS; i++) { 1158a272653SPeter Holm if ((rc = pthread_create(&tid[i], NULL, test, NULL)) != 0) 1168a272653SPeter Holm errc(1, rc, "test()"); 1178a272653SPeter Holm } 1188a272653SPeter Holm for (i = 0; i < THREADS; i++) { 1198a272653SPeter Holm if ((rc = pthread_join(tid[i], NULL)) != 0) 1208a272653SPeter Holm errc(1, rc, "pthread_join(%d)", i); 1218a272653SPeter Holm } 1228a272653SPeter Holm 1238a272653SPeter Holm return (0); 1248a272653SPeter Holm} 125