svn commit: r228095 - projects/stress2/misc

[Peter Holm]

Author: pho
Date: Mon Nov 28 20:01:39 2011
New Revision: 228095
URL: http://svn.freebsd.org/changeset/base/228095

Log:
  Added regression test.

Added:
  projects/stress2/misc/pread.sh   (contents, props changed)

Added: projects/stress2/misc/pread.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ projects/stress2/misc/pread.sh	Mon Nov 28 20:01:39 2011	(r228095)
@@ -0,0 +1,148 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2011 Peter Holm <pho at FreeBSD.org>
+# 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.
+#
+# $FreeBSD$
+#
+
+# pread(2) fuzzing inspired by the iknowthis test suite
+# by Tavis Ormandy <taviso  cmpxchg8b com>
+
+# Fixed in r227527.
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+. ../default.cfg
+
+here=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $here/$0 > pread.c
+cc -o pread -Wall -Wextra pread.c
+rm -f pread.c
+
+mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
+mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
+
+mount -t tmpfs tmpfs $mntpoint
+cp -a /usr/include $mntpoint
+echo "Testing tmpfs(5)"
+/tmp/pread $mntpoint
+umount $mntpoint
+
+echo "Testing fdescfs(5)"
+/tmp/pread /dev/fd
+
+echo "Testing procfs(5)"
+mount -t procfs procfs $mntpoint
+/tmp/pread $mntpoint
+umount $mntpoint
+
+mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
+mdconfig -a -t swap -s 1g -u $mdstart || exit 1
+bsdlabel -w md$mdstart auto
+newfs -U md${mdstart}$part > /dev/null
+mount /dev/md${mdstart}$part $mntpoint
+cp -a /usr/include $mntpoint
+echo "Testing FFS"
+/tmp/pread $mntpoint
+umount $mntpoint
+
+mount -t nullfs /bin $mntpoint
+echo "Testing nullfs(5)"
+/tmp/pread $mntpoint
+umount $mntpoint
+mount -t procfs procfs $mntpoint
+/tmp/pread $mntpoint
+umount $mntpoint
+
+rm -f /tmp/pread
+exit 0
+EOF
+#include <sys/types.h>
+#include <strings.h>
+#include <dirent.h>
+#include <err.h>
+#include <fcntl.h>
+#include <fts.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/uio.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+static void
+hand(int i __unused) {	/* handler */
+	_exit(1);
+}
+
+int
+test(char *path)
+{
+
+	FTS		*fts;
+	FTSENT		*p;
+	int		ftsoptions;
+	char 		*args[2];
+	int buf[64], fd;
+
+	signal(SIGSEGV, hand);
+	signal(SIGABRT, hand);
+	ftsoptions = 0;
+	args[0] = path;
+	args[1] = 0;
+
+	if ((fts = fts_open(args, ftsoptions, NULL)) == NULL)
+		err(1, "fts_open");
+
+	while ((p = fts_read(fts)) != NULL) {
+		if ((fd = open(p->fts_path, O_RDONLY)) == -1)
+			warn("open(%s)", p->fts_path);
+		alarm(1);
+		pread(fd, (void *)0xdeadc0de, 0x7ffffff, 0xffffffff);
+		pread(fd, buf, 0x7ffffff, 0xffffffff);
+		pread(fd, buf, sizeof(buf), 0xffffffff);
+		pread(fd, buf, sizeof(buf), 0);
+		close(fd);
+	}
+	fts_close(fts);
+
+	exit(0);
+}
+
+int
+main(int argc __unused, char **argv)
+{
+	int i;
+
+	for (i = 0; i < 10; i++) {
+		if (fork() == 0)
+			test(argv[1]);
+		wait(NULL);
+	}
+
+	return (0);
+}