Index: user/pho/stress2/misc/mmap19.sh
===================================================================
--- user/pho/stress2/misc/mmap19.sh	(nonexistent)
+++ user/pho/stress2/misc/mmap19.sh	(revision 271009)
@@ -0,0 +1,223 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2014 EMC Corp.
+# 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.
+#
+# $FreeBSD$
+#
+
+# panic: pmap active 0xfffff801d22cdae8" seen.
+# Variation of  mmap18.sh.
+# http://people.freebsd.org/~pho/stress/log/kostik712.txt
+# Fixed by r271000.
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > mmap19.c
+cc -o mmap19 -Wall -Wextra -O2 mmap19.c -lpthread || exit 1
+rm -f mmap19.c /tmp/mmap19.core
+rm -f /tmp/mmap19.core
+
+daemon sh -c "(cd $here/../testcases/swap; ./swap -t 2m -i 20 -k)"
+rnd=`od -An -N1 -t u1 /dev/random | sed 's/ //g'`
+sleep $((rnd % 10))
+for i in `jot 2`; do
+	/tmp/mmap19
+done
+killall -q swap
+
+rm -f /tmp/mmap19 /tmp/mmap19.core
+exit 0
+EOF
+#include <sys/types.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <pthread_np.h>
+#include <sched.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/resource.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <time.h>
+#include <unistd.h>
+
+#define PARALLEL 50
+#define LOOPS 50
+
+void *p;
+
+#define N (128 * 1024 / (int)sizeof(u_int32_t))
+u_int32_t r[N];
+
+unsigned long
+makearg(void)
+{
+	unsigned int i;
+	unsigned long val;
+
+	val = arc4random();
+	i   = arc4random() % 100;
+	if (i < 20)
+		val = val & 0xff;
+	if (i >= 20 && i < 40)
+		val = val & 0xffff;
+	if (i >= 40 && i < 60)
+		val = (unsigned long)(r) | (val & 0xffff);
+#if defined(__LP64__)
+	if (i >= 60) {
+		val = (val << 32) | arc4random();
+		if (i > 80)
+			val = val & 0x00007fffffffffffUL;
+	}
+#endif
+
+	return(val);
+}
+
+void *
+makeptr(void)
+{
+	unsigned long val;
+
+	if (p != MAP_FAILED && p != NULL)
+		val = (unsigned long)p + arc4random();
+	else
+		val = makearg();
+	val = trunc_page(val);
+	return ((void *)val);
+}
+
+void *
+tmmap(void *arg __unused)
+{
+	int i, fd;
+	size_t len;
+
+	pthread_set_name_np(pthread_self(), __func__);
+	len = 1LL * 1024 * 1024 * 1024;
+
+	for (i = 0; i < 100; i++) {
+		if ((fd = open("/dev/zero", O_CREAT | O_TRUNC | O_RDWR, 0622)) == -1)
+			err(1,"open()");
+
+		if ((p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0)) !=
+				MAP_FAILED) {
+			usleep(100);
+			munmap(p, len);
+		}
+
+		if ((p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0)) !=
+		    MAP_FAILED) {
+			usleep(100);
+			munmap(p, len);
+		}
+		close(fd);
+	}
+
+	return (NULL);
+}
+
+void *
+tmprotect(void *arg __unused)
+{
+	int i, n, prot;
+	const void *addr;
+	size_t len;
+
+	pthread_set_name_np(pthread_self(), __func__);
+	n = 0;
+	for (i = 0; i < 200; i++) {
+		addr = makeptr();
+		len = trunc_page(makearg());
+		prot = makearg();
+		if (mprotect(addr, len, prot) == 0)
+			n++;
+		usleep(1000);
+	}
+	if (n < 10)
+		fprintf(stderr, "tmprotect() only succeeded %d times.\n", n);
+	return (NULL);
+}
+
+void
+test(void)
+{
+	int i;
+	int rc;
+	pthread_t tid[2];
+
+	if ((rc = pthread_create(&tid[0], NULL, tmmap, NULL)) != 0)
+		errc(1, rc, "tmmap()");
+	if ((rc = pthread_create(&tid[1], NULL, tmprotect, NULL)) != 0)
+		errc(1, rc, "tmprotect()");
+
+	for (i = 0; i < 100; i++) {
+		if (fork() == 0) {
+			usleep(10000);
+			_exit(0);
+		}
+		wait(NULL);
+	}
+
+	for (i = 0; i < 2; i++)
+		if ((rc = pthread_join(tid[i], NULL)) != 0)
+			errc(1, rc, "pthread_join(%d)", i);
+	_exit(0);
+}
+
+int
+main(void)
+{
+	int i, j;
+	struct rlimit rl;
+
+	rl.rlim_max = rl.rlim_cur = 0;
+	if (setrlimit(RLIMIT_CORE, &rl) == -1)
+		warn("setrlimit");
+
+	for (i = 0; i < N; i++)
+		r[i] = arc4random();
+
+	for (i = 0; i < LOOPS; i++) {
+		for (j = 0; j < PARALLEL; j++) {
+			if (fork() == 0)
+				test();
+		}
+
+		for (j = 0; j < PARALLEL; j++)
+			wait(NULL);
+	}
+
+	return (0);
+}

Property changes on: user/pho/stress2/misc/mmap19.sh
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Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property