git: 4e4f49fd4af2 - main - stress2: Added another sigreturn(2) fuzzer test
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Date: Wed, 24 Aug 2022 11:22:28 UTC
The branch main has been updated by pho: URL: https://cgit.FreeBSD.org/src/commit/?id=4e4f49fd4af29eaffe7c1a1d5e61a4a8f2ffeef4 commit 4e4f49fd4af29eaffe7c1a1d5e61a4a8f2ffeef4 Author: Peter Holm <pho@FreeBSD.org> AuthorDate: 2022-08-24 11:21:55 +0000 Commit: Peter Holm <pho@FreeBSD.org> CommitDate: 2022-08-24 11:21:55 +0000 stress2: Added another sigreturn(2) fuzzer test --- tools/test/stress2/misc/sigreturn2.sh | 69 +++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/tools/test/stress2/misc/sigreturn2.sh b/tools/test/stress2/misc/sigreturn2.sh new file mode 100755 index 000000000000..610922a809ab --- /dev/null +++ b/tools/test/stress2/misc/sigreturn2.sh @@ -0,0 +1,69 @@ +#!/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. +# + +# A sigreturn(2) syscall fuzzer + +# panic: vm_fault_lookup: fault on nofault entry, addr: 0 +# cpuid = 0 +# time = 1661248103 +# KDB: stack backtrace: +# db_trace_self_wrapper(e,27e1dae0,27e1dae2,ffc07db8,c1f0490,...) at db_trace_self_wrapper+0x28/frame 0xffc07d24 +# vpanic(150b260,ffc07d60,ffc07d60,ffc07e20,12cb565,...) at vpanic+0xf4/frame 0xffc07d40 +# panic(150b260,14ec2f3,0,149349d,1430,...) at panic+0x14/frame 0xffc07d54 +# vm_fault(1e37000,0,4,0,0) at vm_fault+0x1725/frame 0xffc07e20 +# vm_fault_trap(1e37000,3b,4,0,0,0) at vm_fault_trap+0x52/frame 0xffc07e48 +# trap_pfault(3b,0,0) at trap_pfault+0x176/frame 0xffc07e94 +# trap(ffc07f6c,8,28,28,1915b000,...) at trap+0x2d9/frame 0xffc07f60 +# calltrap() at 0xffc031ef/frame 0xffc07f60 +# --- trap 0xc, eip = 0x3b, esp = 0xffc07fac, ebp = 0xffc0340c --- +# (null)() at 0x3b/frame 0xffc0340c +# KDB: enter: panic +# [ thread pid 26126 tid 120029 ] +# Stopped at kdb_enter+0x34: movl $0,kdb_why +# db> x/s version +# version: FreeBSD 14.0-CURRENT #0 ast-n257558-eb20af97a66-dirty: Mon Aug 22 17:53:22 CEST 2022 +# pho@mercat1.netperf.freebsd.org:/media/obj/var/tmp/deviant3/i386.i386/sys/PHO +# db> + +inc=/usr/include/sys/syscall.h +[ -f $inc ] || exit 0 +num=`awk '/SYS_sigreturn/ {print $NF}' < $inc` +old=`grep -E 'sigreturn \*' < $inc | \ + sed 's/.* \([0-9]\{1,3\}\) .*/\1/' | tr '\n' ' '` +num="$num $old" + +start=`date +%s` +while [ $((`date +%s` - start)) -lt 180 ]; do + for i in $num; do + echo "noswap=1 ./syscall4.sh $i" + noswap=1 ./syscall4.sh $i + done +done + +exit 0