stress2: Added killpg(2) scenarios
This commit is contained in:
parent
ac0572e660
commit
896809e296
197
tools/test/stress2/misc/killpg2.sh
Executable file
197
tools/test/stress2/misc/killpg2.sh
Executable file
@ -0,0 +1,197 @@
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#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2023 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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# killpg(2) version of reaper.sh. No problems seen.
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. ../default.cfg
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prog=$(basename "$0" .sh)
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cat > /tmp/$prog.c <<EOF
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#include <sys/param.h>
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#include <sys/mman.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <errno.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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static volatile u_int *share;
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#define CONT 0
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#define GID 1
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#define SYNC 2
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#define MAXP 10000
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static void
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hand(int i __unused) {
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_exit(0);
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}
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static void
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looper(void)
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{
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struct sigaction sa;
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time_t start;
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struct passwd *pw;
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pid_t pids[MAXP];
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int i, parallel;
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setproctitle("looper");
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sa.sa_handler = SIG_IGN;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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if (sigaction(SIGUSR1, &sa, NULL) == -1)
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err(1, "sigaction");
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if ((pw = getpwnam("TUSER")) == NULL)
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err(1, "no such user: TUSER");
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if (setgroups(1, &pw->pw_gid) ||
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setegid(pw->pw_gid) || setgid(pw->pw_gid) ||
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seteuid(pw->pw_uid) || setuid(pw->pw_uid))
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err(1, "Can't drop privileges to \"TUSER\"");
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endpwent();
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setpgrp(0, 0);
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share[GID] = getpgrp();
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share[SYNC] = 1;
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start = time(NULL);
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while (time(NULL) - start < 120) {
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parallel = arc4random() % MAXP + 1;
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for (i = 0; i < parallel; i++) {
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if ((pids[i] = fork()) == 0) {
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sa.sa_handler = hand;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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if (sigaction(SIGUSR1, &sa, NULL) == -1)
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err(1, "sigaction");
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setproctitle("child");
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for (;;)
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pause();
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_exit(0); /* never reached */
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}
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if (pids[i] == -1)
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err(1, "fork()");
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}
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for (i = 0; i < parallel; i++) {
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if (waitpid(pids[i], NULL, 0) != pids[i])
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err(1, "waitpid(%d) in looper", pids[i]);
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}
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}
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_exit(0);
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}
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static void
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killer(void)
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{
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int e, gid;
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while (share[SYNC] == 0)
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;
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gid = share[GID];
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while (share[CONT] == 1) {
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usleep(arc4random() % 50000);
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gid = share[GID];
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if (gid != 0) {
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e = 0;
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while (e == 0) {
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if (killpg(gid, SIGUSR1) == -1) {
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e = 1;
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if (errno != ESRCH)
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err(1, "pgkill(%d)", gid);
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}
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usleep(5000 + arc4random() % 5000);
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}
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}
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}
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_exit(0);
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}
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int
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main(void)
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{
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size_t len;
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time_t start;
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int lpid, kpid, s1, s2;
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len = PAGE_SIZE;
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if ((share = mmap(NULL, len, PROT_READ | PROT_WRITE,
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MAP_ANON | MAP_SHARED, -1, 0)) == MAP_FAILED)
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err(1, "mmap");
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start = time(NULL);
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while (time(NULL) - start < 120) {
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share[CONT] = 1;
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share[GID] = 0;
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share[SYNC] = 0;
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if ((lpid = fork()) == 0)
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looper();
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usleep(arc4random() % 100000);
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if ((kpid = fork()) == 0)
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killer();
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if (waitpid(lpid, &s1, 0) != lpid)
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err(1, "waitpid looper");
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usleep(arc4random() % 1000);
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share[CONT] = 0;
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waitpid(kpid, &s2, 0);
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}
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return (0);
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}
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EOF
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sed -i '' "s#TUSER#$testuser#" /tmp/$prog.c
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cc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c || exit 1
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rm /tmp/$prog.c
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n=1
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start=`date +%s`
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while true; do
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/tmp/$prog
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for i in `jot 50`; do
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pgrep -q $prog || break
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sleep .5
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done
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if pgrep -q $prog; then
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e=$((`date +%s` - start))
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echo "Failed in loop #$n after $e seconds."
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pgrep "$prog|timeout" | xargs ps -jp
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pkill $prog
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rm -f /tmp/$prog
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exit 1
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fi
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[ $((`date +%s` - start)) -ge 600 ] && break
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n=$((n + 1))
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done
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rm /tmp/$prog
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exit 0
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192
tools/test/stress2/misc/killpg3.sh
Executable file
192
tools/test/stress2/misc/killpg3.sh
Executable file
@ -0,0 +1,192 @@
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#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2023 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.
|
||||
# 2. Redistributions in binary form must reproduce the above copyright
|
||||
# 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
|
||||
# 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
|
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
# 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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# killpg(2) version of reaper.sh. No problems seen.
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. ../default.cfg
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prog=$(basename "$0" .sh)
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cat > /tmp/$prog.c <<EOF
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#include <sys/param.h>
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#include <sys/mman.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <errno.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stdatomic.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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static _Atomic(int) *share;
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#define GID 0
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#define PARALLEL 10
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#define RDY 1
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#define MAXP 7000
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static void
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hand(int i __unused) {
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_exit(0);
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}
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static void
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innerloop(int parallel)
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{
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pid_t pids[MAXP];
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struct sigaction sa;
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int i;
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usleep(1000);
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for (i = 0; i < parallel; i++) {
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if ((pids[i] = fork()) == 0) {
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sa.sa_handler = hand;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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if (sigaction(SIGUSR1, &sa, NULL) == -1)
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err(1, "sigaction");
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atomic_fetch_add(&share[RDY], 1);
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setproctitle("child");
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for (;;)
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pause();
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_exit(0); /* never reached */
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}
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if (pids[i] == -1)
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err(1, "fork()");
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}
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for (i = 0; i < parallel; i++) {
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if (waitpid(pids[i], NULL, 0) != pids[i])
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err(1, "waitpid(%d) in looper", pids[i]);
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}
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_exit(0);
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}
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static void
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looper(void)
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{
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struct sigaction sa;
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struct passwd *pw;
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pid_t pids[MAXP];
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int i, parallel;
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setproctitle("looper");
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sa.sa_handler = SIG_IGN;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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if (sigaction(SIGUSR1, &sa, NULL) == -1)
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err(1, "sigaction");
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if ((pw = getpwnam("TUSER")) == NULL)
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err(1, "no such user: TUSER");
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if (setgroups(1, &pw->pw_gid) ||
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setegid(pw->pw_gid) || setgid(pw->pw_gid) ||
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seteuid(pw->pw_uid) || setuid(pw->pw_uid))
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err(1, "Can't drop privileges to \"TUSER\"");
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endpwent();
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setpgrp(0, 0);
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share[GID] = getpgrp();
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parallel = arc4random() % MAXP + 1;
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parallel = parallel / PARALLEL * PARALLEL;
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for (i = 0; i < PARALLEL; i++) {
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if ((pids[i] = fork()) == 0)
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innerloop(parallel / PARALLEL);
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}
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while (atomic_load(&share[RDY]) != parallel)
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usleep(10000);
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if (killpg(share[GID], SIGUSR1) == -1)
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err(1, "pgkill(%d)", share[GID]);
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for (i = 0; i < 4; i++) {
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if (waitpid(pids[i], NULL, 0) != pids[i])
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err(1, "waitpid(%d) in looper", pids[i]);
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}
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_exit(0);
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}
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int
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main(void)
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{
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size_t len;
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time_t start;
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int lpid, s1;
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len = PAGE_SIZE;
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if ((share = mmap(NULL, len, PROT_READ | PROT_WRITE,
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MAP_ANON | MAP_SHARED, -1, 0)) == MAP_FAILED)
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err(1, "mmap");
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start = time(NULL);
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while (time(NULL) - start < 120) {
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share[GID] = 0;
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share[RDY] = 0;
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if ((lpid = fork()) == 0)
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looper();
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if (waitpid(lpid, &s1, 0) != lpid)
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err(1, "waitpid looper");
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}
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return (0);
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}
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EOF
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sed -i '' "s#TUSER#$testuser#" /tmp/$prog.c
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mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c || exit 1
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rm /tmp/$prog.c
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export MAXSWAPPCT=70
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n=1
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start=`date +%s`
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while true; do
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../testcases/swap/swap -t 2m -i 20 > /dev/null &
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/tmp/$prog & pid=$!
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st=`date +%s`
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while kill -0 $pid > /dev/null 2>&1; do
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e=$((`date +%s` - st))
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if [ $e -ge 120 ]; then
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while pgrep -q swap; do pkill swap; done
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fi
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if [ $e -ge 600 ]; then
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echo "Failed in loop #$n after $e seconds."
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ps -jU$testuser | head -20
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kill $pid
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pkill -U$testuser
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wait
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rm -f /tmp/$prog
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exit 1
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fi
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done
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wait
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[ $((`date +%s` - start)) -ge 300 ] && break
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n=$((n + 1))
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done
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rm /tmp/$prog
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exit 0
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114
tools/test/stress2/misc/killpg4.sh
Executable file
114
tools/test/stress2/misc/killpg4.sh
Executable file
@ -0,0 +1,114 @@
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#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2023 Peter Holm <pho@FreeBSD.org>
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#
|
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# 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
|
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# SUCH DAMAGE.
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#
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# Another killpg(2) test scenario. No problems seen.
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. ../default.cfg
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export prog=$(basename "$0" .sh)
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set -u
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cat > /tmp/$prog.c <<EOF
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#include <sys/wait.h>
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#include <err.h>
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#include <time.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define PARALLEL 2
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int
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test(void)
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{
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pid_t pid;
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time_t start;
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start = time(NULL);
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while (time(NULL) - start < 300) {
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if ((pid = fork()) == -1)
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err(1, "fork()");
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if (pid == 0) {
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if (arc4random() % 100 < 20)
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usleep(arc4random() % 5000);
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_exit(0); /* Not reached */
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}
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if (waitpid(pid, NULL, 0) != pid)
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err(1, "waitpid()");
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}
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_exit(0);
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}
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int
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main(void)
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{
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pid_t pids[PARALLEL];
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int i;
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for (i = 0; i < PARALLEL; i++) {
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test();
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}
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for (i = 0; i < PARALLEL; i++) {
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if (waitpid(pids[i], NULL, 0) != pids[i])
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err(1, "waotpid() main");
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}
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}
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EOF
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mycc -o /tmp/$prog -Wall -Wextra -O2 /tmp/$prog.c || exit 1
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export MAXSWAPPCT=80
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../testcases/swap/swap -t 2m -i 5 > /dev/null 2>&1 &
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sleep .5
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start=`date +%s`
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while [ $((`date +%s` - start)) -lt 120 ]; do
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for i in `jot 200 100`; do
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(
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sl=$prog.$i
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sleep=/tmp/$sl
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cp /tmp/$prog $sleep
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su $testuser -c "$sleep & $sleep & $sleep &" & pid=$!
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for j in `jot 10`; do
|
||||
pgrep -q "$sl" && break
|
||||
sleep .5
|
||||
done
|
||||
pgrep -q "$sl" || { echo "No start"; exit 1; }
|
||||
pgid=`pgrep "$sl" | xargs ps -jp | sed 1d | \
|
||||
tail -1 | awk '{print $4}'`
|
||||
[ -z "$pgid" ] && { echo "Zero pgid:$pgid"; ps aj | \
|
||||
sed -n "1p;/$sl/p"; exit 1; }
|
||||
sleep 1.`jot -r 1 2 9`
|
||||
kill -- -$pgid || { echo "kill -$pgid failed"; exit 1; }
|
||||
wait $pid
|
||||
rm -f $sleep
|
||||
) &
|
||||
done
|
||||
while [ `ps -U$testuser | wc -l` -gt 1 ] ; do sleep 2; done
|
||||
done
|
||||
while pkill swap; do :; done
|
||||
wait
|
||||
rm /tmp/$prog /tmp/$prog.c
|
||||
exit 0
|
Loading…
Reference in New Issue
Block a user