18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 4*4d846d26SWarner Losh# SPDX-License-Identifier: BSD-2-Clause 58a272653SPeter Holm# 68a272653SPeter Holm# Copyright (c) 2021 Peter Holm <pho@FreeBSD.org> 78a272653SPeter Holm# 88a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 98a272653SPeter Holm# modification, are permitted provided that the following conditions 108a272653SPeter Holm# are met: 118a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 128a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 138a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 148a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 158a272653SPeter Holm# documentation and/or other materials provided with the distribution. 168a272653SPeter Holm# 178a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 188a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 198a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 208a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 218a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 228a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 238a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 248a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 258a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 268a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 278a272653SPeter Holm# SUCH DAMAGE. 288a272653SPeter Holm# 298a272653SPeter Holm# Test scenario from D17599 "Fix for double free when deleting entries from 308a272653SPeter Holm# epoch managed lists" 318a272653SPeter Holm# by Hans Petter Selasky <hselasky@freebsd.org> 328a272653SPeter Holm 338a272653SPeter Holm# Page fault in nd6_dad_timer+0x6b seen: 348a272653SPeter Holm# https://people.freebsd.org/~pho/stress/log/ifconfig2.txt 358a272653SPeter Holm# https://people.freebsd.org/~pho/stress/log/log0051.txt 368a272653SPeter Holm 378a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 388a272653SPeter Holmif=`ifconfig | grep -w mtu | grep -v RUNNING | sed 's/:.*//' | head -1` 398a272653SPeter Holm[ -z "$if" ] && 408a272653SPeter Holm if=`ifconfig | \ 418a272653SPeter Holm awk '/^[a-z].*: / {gsub(":", ""); ifn = $1}; /no car/{print ifn; exit}'` 428a272653SPeter Holm 438a272653SPeter Holm[ -z "$if" ] && exit 0 448a272653SPeter Holmecho "Using $if for test." 458a272653SPeter Holmifconfig $if | grep -q RUNNING && running=1 468a272653SPeter Holm 478a272653SPeter Holmsync=/tmp/`basename $0`.sync 488a272653SPeter Holmrm -f $sync 498a272653SPeter Holmfor i in `jot 5`; do 508a272653SPeter Holm ( 518a272653SPeter Holm while [ ! -f $sync ]; do 528a272653SPeter Holm sleep .1 538a272653SPeter Holm done 548a272653SPeter Holm while [ -f $sync ]; do 558a272653SPeter Holm ifconfig $if.$i create 56314ebfa2SPeter Holm ifconfig $if.$i inet 224.0.0.$i netmask 255.255.255.0 578a272653SPeter Holm ifconfig $if.$i destroy 588a272653SPeter Holm done 598a272653SPeter Holm ) > /dev/null 2>&1 & 608a272653SPeter Holmdone 618a272653SPeter Holmtouch $sync 628a272653SPeter Holmsleep 120 638a272653SPeter Holmrm -f $sync 648a272653SPeter Holmwait 658a272653SPeter Holm[ $running ] || ifconfig $if down 668a272653SPeter Holm 678a272653SPeter Holmexit 0 68