61 lines
2.3 KiB
Bash
Executable File
61 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright (c) 2021 Peter Holm <pho@FreeBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Test scenario from D17599 "Fix for double free when deleting entries from
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# epoch managed lists"
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# by Hans Petter Selasky <hselasky@freebsd.org>
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# "panic: starting DAD on non-tentative address 0xfffff8010c311000" seen.
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# https://people.freebsd.org/~pho/stress/log/epoch.txt
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# Fatal trap 9: general protection fault while in kernel mode
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# https://people.freebsd.org/~pho/stress/log/epoch-2.txt
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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if=`ifconfig | grep -w mtu | grep -v RUNNING | sed 's/:.*//' | head -1`
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[ -z "$if" ] &&
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if=`ifconfig | \
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awk '/^[a-z].*: / {gsub(":", ""); ifn = $1}; /no car/{print ifn; exit}'`
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[ -z "$if" ] && exit 0
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echo "Using $if for test."
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ifconfig $if | grep -q RUNNING && running=1
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start=`date +%s`
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while [ $((`date +%s` - start)) -lt 300 ]; do
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for i in `jot 255`; do
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(ifconfig $if.$i create
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ifconfig $if.$i inet 224.0.0.$i
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ifconfig $if.$i destroy) > /dev/null 2>&1 &
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done
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wait
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done
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[ $running ] || ifconfig $if down
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exit 0
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