git: bf48a958ad10 - main - stress2: Aded two msdos FS fuzzer tests

The branch main has been updated by pho:

URL: https://cgit.FreeBSD.org/src/commit/?id=bf48a958ad100bf59604bb31a433582ba8aa12b9

commit bf48a958ad100bf59604bb31a433582ba8aa12b9
Author:     Peter Holm <pho@FreeBSD.org>
AuthorDate: 2022-01-08 06:11:10 +0000
Commit:     Peter Holm <pho@FreeBSD.org>
CommitDate: 2022-01-08 06:11:10 +0000

    stress2: Aded two msdos FS fuzzer tests
---
 tools/test/stress2/misc/msdos15.sh | 90 ++++++++++++++++++++++++++++++++++++++
 tools/test/stress2/misc/msdos16.sh | 87 ++++++++++++++++++++++++++++++++++++
 2 files changed, 177 insertions(+)

diff --git a/tools/test/stress2/misc/msdos15.sh b/tools/test/stress2/misc/msdos15.sh
new file mode 100755
index 000000000000..79e60972e34b
--- /dev/null
+++ b/tools/test/stress2/misc/msdos15.sh
@@ -0,0 +1,90 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2022 Peter Holm <pho@FreeBSD.org>
+#
+# 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.
+#
+
+# msdosfs disk image fuzz test.
+
+# "panic: wrong dirclust" seen:
+# https://people.freebsd.org/~pho/stress/log/log0206.txt
+
+. ../default.cfg
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+cc -o /tmp/flip -Wall -Wextra -O2 ../tools/flip.c || exit 1
+
+set -e
+u1=$mdstart
+u2=$((mdstart + 1))
+mp1=${mntpoint}$u1
+mp2=${mntpoint}$u2
+mkdir -p $mp1 $mp2
+log=$mp1/msdos15.sh.log
+diskimage=$mp1/msdos15.sh.diskimage
+cap=$((32 * 1024))		# Only fuzz the first 32k
+max=$((10 * 1024 * 1024))	# dos disk size
+
+set +e
+mount | grep "on $mp1 " | grep -q /dev/md && umount -f $mp1
+[ -c /dev/md$u1 ] && mdconfig -d -u $u1
+mdconfig -a -t swap -s 1g -u $u1
+newfs -U /dev/md$u1 > /dev/null
+mount /dev/md$u1 $mp1
+
+[ -c /dev/md$u2 ] && mdconfig -d -u $u2
+dd if=/dev/zero of=$diskimage bs=$max count=1 status=none
+mdconfig -a -t vnode -f $diskimage -u $u2
+newfs_msdos /dev/md$u2 > /dev/null 2>&1	# FAT12
+mount -t msdosfs /dev/md$u2 $mp2
+[ -d /usr/include/sys ] && cp -r /usr/include/sys $mp2
+umount $mp2
+
+cd $mp1
+start=`date +%s`
+while [ $((`date +%s` - start)) -lt 60 ]; do
+	mount -t msdosfs /dev/md$u2 $mp2 2>/dev/null || break
+	ls -lR $mp2 > /dev/null 2>&1 || break
+	rm -rf $mp2/* > /dev/null 2>&1 || break
+	touch $mp2/`jot -rc 8 a z | tr -d '\n'` || break
+	while mount | grep -q "on $mp2 "; do umount $mp2; done
+	echo * | grep -q core && break
+	sync
+	mdconfig -d -u $u2
+	/tmp/flip -n 10 -s $cap $diskimage
+	sync
+	mdconfig -a -t vnode -f $diskimage -u $u2
+done
+mount | grep -q "on $mp2 " && umount $mp2
+mdconfig -d -u $u2 || exit 1
+
+echo * | grep -q core && { ls -l *.core; cp $log /tmp; exit 106; } ||
+cd /tmp
+umount $mp1
+mdconfig -d -u $u1
+rm -f /tmp/flip
+exit 0
diff --git a/tools/test/stress2/misc/msdos16.sh b/tools/test/stress2/misc/msdos16.sh
new file mode 100755
index 000000000000..e188795e1851
--- /dev/null
+++ b/tools/test/stress2/misc/msdos16.sh
@@ -0,0 +1,87 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2022 Peter Holm <pho@FreeBSD.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+
+# msdosfs disk image fuzz test.
+# FAT32 version of msdos15.sh
+
+. ../default.cfg
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+cc -o /tmp/flip -Wall -Wextra -O2 ../tools/flip.c || exit 1
+
+set -e
+u1=$mdstart
+u2=$((mdstart + 1))
+mp1=${mntpoint}$u1
+mp2=${mntpoint}$u2
+mkdir -p $mp1 $mp2
+log=$mp1/msdos16.sh.log
+diskimage=$mp1/msdos16.sh.diskimage
+cap=$((32 * 1024))		# Only fuzz the first 32k
+
+set +e
+mount | grep "on $mp1 " | grep -q /dev/md && umount -f $mp1
+[ -c /dev/md$u1 ] && mdconfig -d -u $u1
+mdconfig -a -t swap -s 2g -u $u1
+newfs -U /dev/md$u1 > /dev/null
+mount /dev/md$u1 $mp1
+
+[ -c /dev/md$u2 ] && mdconfig -d -u $u2
+dd if=/dev/zero of=$diskimage bs=1g count=1 status=none
+mdconfig -a -t vnode -f $diskimage -u $u2
+newfs_msdos -F 32 -b 8192 /dev/md$u2 > /dev/null
+mount -t msdosfs /dev/md$u2 $mp2
+[ -d /usr/include/sys ] && cp -r /usr/include/sys $mp2
+umount $mp2
+
+cd $mp1
+start=`date +%s`
+while [ $((`date +%s` - start)) -lt 60 ]; do
+	mount -t msdosfs /dev/md$u2 $mp2 2>/dev/null || break
+	ls -lR $mp2 > /dev/null 2>&1 || break
+	rm -rf $mp2/* > /dev/null 2>&1 || break
+	touch $mp2/`jot -rc 8 a z | tr -d '\n'` || break
+	while mount | grep -q "on $mp2 "; do umount $mp2; done
+	echo * | grep -q core && break
+	sync
+	mdconfig -d -u $u2
+	/tmp/flip -n 10 -s $cap $diskimage
+	sync
+	mdconfig -a -t vnode -f $diskimage -u $u2
+done
+mount | grep -q "on $mp2 " && umount $mp2
+mdconfig -d -u $u2 || exit 1
+
+echo * | grep -q core && { ls -l *.core; cp $log /tmp; exit 106; } ||
+cd /tmp
+umount $mp1
+mdconfig -d -u $u1
+rm -f /tmp/flip
+exit 0