From nobody Fri Oct 29 09:05:13 2021 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id EDE1F1835318; Fri, 29 Oct 2021 09:05:13 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Hgc2d6Pl7z4fgD; Fri, 29 Oct 2021 09:05:13 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id BBF8414889; Fri, 29 Oct 2021 09:05:13 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 19T95D9p015616; Fri, 29 Oct 2021 09:05:13 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 19T95Dhi015615; Fri, 29 Oct 2021 09:05:13 GMT (envelope-from git) Date: Fri, 29 Oct 2021 09:05:13 GMT Message-Id: <202110290905.19T95Dhi015615@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Peter Holm Subject: git: 97a74bbe38eb - main - stress2: Added a regression test List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: pho X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 97a74bbe38ebdf682e583d8b92f49e137fa2b7c4 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by pho: URL: https://cgit.FreeBSD.org/src/commit/?id=97a74bbe38ebdf682e583d8b92f49e137fa2b7c4 commit 97a74bbe38ebdf682e583d8b92f49e137fa2b7c4 Author: Peter Holm AuthorDate: 2021-10-29 09:04:49 +0000 Commit: Peter Holm CommitDate: 2021-10-29 09:04:49 +0000 stress2: Added a regression test --- tools/test/stress2/misc/execpath.sh | 105 ++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) diff --git a/tools/test/stress2/misc/execpath.sh b/tools/test/stress2/misc/execpath.sh new file mode 100755 index 000000000000..4323e3b7d505 --- /dev/null +++ b/tools/test/stress2/misc/execpath.sh @@ -0,0 +1,105 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2021 Peter Holm +# +# 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. +# + +# Bug 248184 - readlink("/proc/curproc/file") returns arbitrary correct name for programs with more than one link (name) +# Test scenario for D32611 "exec: provide right hardlink name in AT_EXECPATH" + +. ../default.cfg +[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/execpath.c +mycc -o execpath -Wall -Wextra -O0 -g execpath.c || exit 1 +rm -f execpath.c +cd $odir + +set -e +mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint +[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 2g -u $mdstart +bsdlabel -w md$mdstart auto +newfs $newfs_flags md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +set +e + +cd $mntpoint +mkdir d1 d2 +cp /bin/sleep . +ln sleep d1/sleep +ln sleep d2/sleep +s=0 +for p in $mntpoint/sleep $mntpoint/d1/sleep $mntpoint/d2/sleep; do + (cd `dirname $p`; ./`basename $p` 10) & + /bin/sleep .2 + path=`procstat binary $! | awk "/$!/ {print \\$NF}"` + kill $! + wait + [ "$path" != "$p" ] && { s=1; echo "fail path=$path : prog=$p"; } +done +mv /tmp/execpath d1 +ln d1/execpath d2/execpath + +r=`./d1/execpath` +echo $r | grep -q "/d1/" || { s=1; echo "fail: $r. Expected d1 @ 1"; } +r=`./d2/execpath` +echo $r | grep -q "/d2/" || { s=1; echo "fail: $r. Expected d2 @ 2"; } +r=`(cd d1; ./execpath)` +echo $r | grep -q "/d1/" || { s=1; echo "fail: $r. Expected d1 @ 3"; } +r=`(cd d2; ./execpath)` +echo $r | grep -q "/d2/" || { s=1; echo "fail: $r. Expected d2 @ 4"; } + +cd $odir + +for i in `jot 6`; do + mount | grep -q "on $mntpoint " || break + umount $mntpoint && break || sleep 10 + [ $i -eq 6 ] && + { echo FATAL; fstat -mf $mntpoint; exit 1; } +done +mdconfig -d -u $mdstart +exit $s + +EOF +/* Test scenario by Tobias Kortkamp */ + +#include +#include +#include + +int +main(void) +{ + char pathname[PATH_MAX]; + + elf_aux_info(AT_EXECPATH, pathname, PATH_MAX); + puts(pathname); + return 0; +}