xref: /freebsd/tools/test/stress2/misc/aslr.sh (revision 6ba2210ee039f2f12878c217bcf058e9c8b26b29)
1#/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5#
6# Copyright (c) 2019 Dell EMC Isilon
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27# SUCH DAMAGE.
28#
29
30# ELF32/64 address map randomization test.
31
32# "panic: page 0xfffff8103971b840 has queue state" seen in WiP kernel code.
33# https://people.freebsd.org/~pho/stress/log/mark087.txt
34
35old32=`sysctl -ni kern.elf32.aslr.enable`
36old64=`sysctl -ni kern.elf64.aslr.enable`
37
38if [ -n "$old32" ]; then
39	sysctl kern.elf32.aslr.enable=$((1 - old32))
40	./su.sh
41	sysctl kern.elf32.aslr.enable=$old32
42elif [ -n "$old64" ]; then
43	sysctl kern.elf64.aslr.enable=$((1 - old64))
44	./su.sh
45	sysctl kern.elf64.aslr.enable=$old64
46fi
47