svn commit: r303431 - user/pho/stress2/misc
Peter Holm
pho at FreeBSD.org
Thu Jul 28 11:10:14 UTC 2016
Author: pho
Date: Thu Jul 28 11:10:13 2016
New Revision: 303431
URL: https://svnweb.freebsd.org/changeset/base/303431
Log:
Added regression tests.
Sponsored by: EMC / Isilon Storage Division
Added:
user/pho/stress2/misc/ptrace5.sh (contents, props changed)
user/pho/stress2/misc/ptrace6.sh (contents, props changed)
user/pho/stress2/misc/ptrace7.sh (contents, props changed)
Added: user/pho/stress2/misc/ptrace5.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/pho/stress2/misc/ptrace5.sh Thu Jul 28 11:10:13 2016 (r303431)
@@ -0,0 +1,202 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2016 EMC Corp.
+# All rights reserved.
+#
+# 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.
+#
+# $FreeBSD$
+#
+
+# It seems to be possible for ptrace(PT_ATTACH) to race with the delivery
+# of a signal to the same process.
+
+# "panic: Assertion TD_IS_SLEEPING(td) failed at subr_sleepqueue.c:958".
+# https://people.freebsd.org/~pho/stress/log/ptrace5.txt
+# https://people.freebsd.org/~pho/stress/log/ptrace5-2.txt
+# Fixed by r303426.
+
+. ../default.cfg
+
+dir=/tmp
+odir=`pwd`
+cd $dir
+sed '1,/^EOF/d' < $odir/$0 > $dir/ptrace5.c
+mycc -o ptrace5 -Wall -Wextra -O0 -g ptrace5.c -pthread || exit 1
+rm -f ptrace5.c
+cd $odir
+
+/tmp/ptrace5
+s=$?
+
+rm -rf /tmp/ptrace5
+exit $s
+
+EOF
+#include <sys/param.h>
+#include <sys/ptrace.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+static pid_t pid;
+static pthread_barrier_t barr;
+static int cont;
+
+#define PARALLEL 4
+#define RUNTIME (5 * 60)
+
+static void
+ahandler(int i __unused)
+{
+ system("ps -Hl");
+ fprintf(stderr, "SIGALRM pid %d\n", pid);
+ exit(1);
+}
+
+static void
+handler(int i __unused)
+{
+}
+
+static void *
+t1(void *data __unused)
+{
+ int status;
+
+ while (cont == 1) {
+ if (ptrace(PT_ATTACH, pid, 0, 0) == -1)
+ err(1, "ptrace(%d)", pid);
+
+ if (waitpid(pid, &status, 0) == -1)
+ err(1, "waitpid");
+ else if (!WIFSTOPPED(status))
+ errx(1, "failed to stop child");
+ if (ptrace(PT_DETACH, pid, 0, 0) == -1)
+ err(1, "ptrace");
+ usleep(arc4random() % 200);
+ }
+
+ return (NULL);
+}
+
+static void *
+t2(void *data __unused)
+{
+ while (cont == 1) {
+ if (kill(pid, SIGHUP) == -1)
+ err(1, "kill");
+ usleep(arc4random() % 200);
+ }
+
+ return (NULL);
+}
+
+static void
+test(void)
+{
+ pthread_t tid[2];
+ struct sigaction sa;
+ int r, status;
+
+ r = pthread_barrier_wait(&barr);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ errc(1, r, "pthread_barrier_wait");
+
+ sa.sa_handler = ahandler;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+ if (sigaction(SIGALRM, &sa, NULL) == -1)
+ err(1, "sigaction");
+ alarm(2 * RUNTIME);
+ sa.sa_handler = handler;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+ if (sigaction(SIGHUP, &sa, NULL) == -1)
+ err(1, "sigaction");
+
+ if ((pid = fork()) == 0) {
+ for(;;)
+ usleep(20);
+
+ _exit(0);
+ }
+
+ cont = 1;
+ if ((r = pthread_create(&tid[0], NULL, t1, NULL)) == -1)
+ errc(1, r, "pthread_create");
+ if ((r = pthread_create(&tid[1], NULL, t2, NULL)) == -1)
+ errc(1, r, "pthread_create");
+
+ sleep(RUNTIME);
+
+ cont = 0;
+ if ((r = pthread_join(tid[0], NULL)) == -1)
+ errc(1, r, "pthread_join");
+ if ((r = pthread_join(tid[1], NULL)) == -1)
+ errc(1, r, "pthread_join");
+ if (kill(pid, SIGKILL) != 0)
+ err(1, "kill(%d)", pid);
+ waitpid(pid, &status, 0);
+
+ exit(0);
+}
+
+int
+main(void)
+{
+ pthread_barrierattr_t attr;
+ int e, i, pids[PARALLEL], r, status;
+
+ if ((r = pthread_barrierattr_init(&attr)) != 0)
+ errc(1, r, "pthread_barrierattr_init");
+ if ((r = pthread_barrierattr_setpshared(&attr,
+ PTHREAD_PROCESS_SHARED)) != 0)
+ errc(1, r, "pthread_barrierattr_setpshared");
+ if ((r = pthread_barrier_init(&barr, &attr, PARALLEL)) != 0)
+ errc(1, r, "pthread_barrier_init");
+
+ e = 0;
+ for (i = 0; i < PARALLEL; i++) {
+ if ((pids[i] = fork()) == 0)
+ test();
+ }
+ for (i = 0; i < PARALLEL; i++) {
+ waitpid(pids[i], &status, 0);
+ e += status == 0 ? 0 : 1;
+ }
+
+ if ((r = pthread_barrier_destroy(&barr)) > 0)
+ errc(1, r, "pthread_barrier_destroy");
+
+ return (e);
+}
Added: user/pho/stress2/misc/ptrace6.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/pho/stress2/misc/ptrace6.sh Thu Jul 28 11:10:13 2016 (r303431)
@@ -0,0 +1,206 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2016 EMC Corp.
+# All rights reserved.
+#
+# 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.
+#
+# $FreeBSD$
+#
+
+# panic: Assertion TD_IS_SLEEPING(td) failed at subr_sleepqueue.c:958.
+# Fixed by r303426.
+
+. ../default.cfg
+
+dir=/tmp
+odir=`pwd`
+cd $dir
+sed '1,/^EOF/d' < $odir/$0 > $dir/ptrace6.c
+mycc -o ptrace6 -Wall -Wextra -O0 -g ptrace6.c -pthread || exit 1
+rm -f ptrace6.c
+cd $odir
+
+/tmp/ptrace6
+s=$?
+
+while pgrep -q swap; do
+ pkill -9 swap
+done
+rm -rf /tmp/ptrace6
+exit $s
+
+EOF
+#include <sys/param.h>
+#include <sys/ptrace.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+static pid_t pid;
+static pthread_barrier_t barr;
+static int cont;
+static int state;
+
+#define PARALLEL 4
+#define RUNTIME (4 * 60)
+
+static void
+ahandler(int i __unused)
+{
+ system("ps -Hl");
+ fprintf(stderr, "SIGALRM state %d, pid %d\n", state, pid);
+ exit(1);
+}
+
+static void
+handler(int i __unused)
+{
+}
+
+static void *
+t1(void *data __unused)
+{
+ int status;
+
+ while (cont == 1) {
+ state = 1;
+ if (ptrace(PT_ATTACH, pid, 0, 0) == -1)
+ err(1, "ptrace(%d)", pid);
+
+ state = 2;
+ if (waitpid(pid, &status, 0) == -1)
+ err(1, "waitpid");
+ else if (!WIFSTOPPED(status))
+ errx(1, "failed to stop child");
+ state = 3;
+ if (ptrace(PT_DETACH, pid, 0, 0) == -1)
+ err(1, "ptrace");
+ state = 4;
+ usleep(arc4random() % 200);
+ }
+
+ return (NULL);
+}
+
+static void *
+t2(void *data __unused)
+{
+ while (cont == 1) {
+ if (kill(pid, SIGHUP) == -1)
+ err(1, "kill");
+ usleep(arc4random() % 200);
+ }
+
+ return (NULL);
+}
+
+static void
+test(void)
+{
+ pthread_t tid[2];
+ struct sigaction sa;
+ int r;
+
+ r = pthread_barrier_wait(&barr);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ errc(1, r, "pthread_barrier_wait");
+
+ sa.sa_handler = ahandler;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+ if (sigaction(SIGALRM, &sa, NULL) == -1)
+ err(1, "sigaction");
+ alarm(RUNTIME + 60);
+
+ sa.sa_handler = handler;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+ if (sigaction(SIGHUP, &sa, NULL) == -1)
+ err(1, "sigaction");
+
+ if ((pid = fork()) == 0) {
+ for(;;)
+ usleep(arc4random() % 1000);
+
+ _exit(0);
+ }
+
+ cont = 1;
+ if ((r = pthread_create(&tid[0], NULL, t1, NULL)) == -1)
+ errc(1, r, "pthread_create");
+ if ((r = pthread_create(&tid[1], NULL, t2, NULL)) == -1)
+ errc(1, r, "pthread_create");
+
+ sleep(RUNTIME);
+
+ cont = 0;
+ if ((r = pthread_join(tid[0], NULL)) == -1)
+ errc(1, r, "pthread_join");
+ if ((r = pthread_join(tid[1], NULL)) == -1)
+ errc(1, r, "pthread_join");
+ if (kill(pid, SIGKILL) != 0)
+ err(1, "kill(%d)", pid);
+ waitpid(pid, NULL, 0);
+
+ exit(0);
+}
+
+int
+main(void)
+{
+ pthread_barrierattr_t attr;
+ int e, i, pids[PARALLEL], r, status;
+
+ if ((r = pthread_barrierattr_init(&attr)) != 0)
+ errc(1, r, "pthread_barrierattr_init");
+ if ((r = pthread_barrierattr_setpshared(&attr,
+ PTHREAD_PROCESS_SHARED)) != 0)
+ errc(1, r, "pthread_barrierattr_setpshared");
+ if ((r = pthread_barrier_init(&barr, &attr, PARALLEL)) != 0)
+ errc(1, r, "pthread_barrier_init");
+
+ e = 0;
+ for (i = 0; i < PARALLEL; i++) {
+ if ((pids[i] = fork()) == 0)
+ test();
+ }
+ for (i = 0; i < PARALLEL; i++) {
+ waitpid(pids[i], &status, 0);
+ e += status == 0 ? 0 : 1;
+ }
+
+ if ((r = pthread_barrier_destroy(&barr)) > 0)
+ errc(1, r, "pthread_barrier_destroy");
+
+ return (e);
+}
Added: user/pho/stress2/misc/ptrace7.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/pho/stress2/misc/ptrace7.sh Thu Jul 28 11:10:13 2016 (r303431)
@@ -0,0 +1,240 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2016 EMC Corp.
+# All rights reserved.
+#
+# 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.
+#
+# $FreeBSD$
+#
+
+# It seems to be possible for ptrace(PT_ATTACH) to race with the delivery
+# of a signal to the same process.
+
+# $ while ./pt.sh; do date; done
+# 15. juli 2016 kl. 05.59.05 CEST
+# 15. juli 2016 kl. 06.03.07 CEST
+# UID PID PPID CPU PRI NI VSZ RSS MWCHAN STAT TT TIME COMMAND
+# 1001 863 862 0 44 0 13880 5268 wait Is 0 0:00,13 -bash (bash)
+# 1001 21053 863 0 52 0 13188 3088 wait I+ 0 0:00,01 /bin/sh ./pt.sh
+# 1001 21096 21053 0 52 0 10544 2308 wait I+ 0 0:00,00 /tmp/pt
+# 1001 21103 21096 0 20 0 12852 2456 wait S+ 0 0:00,00 pt: main (pt)
+# 1001 21103 21096 0 35 0 12852 2456 wait I+ 0 0:55,30 pt: main (pt)
+# 1001 21104 21096 0 72 0 0 0 - Z+ 0 0:00,00 <defunct>
+# 1001 21105 21096 0 72 0 0 0 - Z+ 0 0:00,00 <defunct>
+# 1001 21116 21103 0 103 0 10544 2336 - RX+ 0 4:22,41 pt: spinner (pt)
+# 1001 37711 21103 0 20 0 21200 2960 - R+ 0 0:00,00 ps -Hl
+# 1001 890 879 0 20 0 22184 6196 select Ss+ 1 1:21,86 top -s 1
+# 1001 85222 85221 0 21 0 13880 5276 ttyin Is+ 2 0:00,23 -bash (bash)
+# SIGALRM state 2, pid 21116
+# $
+
+# Fixed by r303423.
+
+. ../default.cfg
+
+dir=/tmp
+odir=`pwd`
+cd $dir
+sed '1,/^EOF/d' < $odir/$0 > $dir/ptrace7.c
+mycc -o ptrace7 -Wall -Wextra -O0 -g ptrace7.c -pthread || exit 1
+rm -f ptrace7.c
+cd $odir
+
+/tmp/ptrace7
+s=$?
+
+while pgrep -q swap; do
+ pkill -9 swap
+done
+rm -rf /tmp/ptrace7
+exit $s
+
+EOF
+#include <sys/param.h>
+#include <sys/ptrace.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#ifdef __FreeBSD__
+#include <pthread_np.h>
+#define __NP__
+#endif
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+static pid_t pid;
+static pthread_barrier_t barr;
+static int cont;
+static int state;
+
+#define PARALLEL 8
+#define RUNTIME (4 * 60)
+
+static void
+ahandler(int i __unused)
+{
+ system("ps -Hl");
+ fprintf(stderr, "SIGALRM state %d, pid %d\n", state, pid);
+ exit(1);
+}
+
+static void
+handler(int i __unused)
+{
+}
+
+static void *
+t1(void *data __unused)
+{
+ int status;
+
+#ifdef __NP__
+ pthread_set_name_np(pthread_self(), __func__);
+#endif
+ while (cont == 1) {
+ state = 1;
+ if (ptrace(PT_ATTACH, pid, 0, 0) == -1)
+ err(1, "ptrace(%d)", pid);
+
+ state = 2;
+ if (waitpid(pid, &status, 0) == -1)
+ err(1, "waitpid");
+ else if (!WIFSTOPPED(status))
+ errx(1, "failed to stop child");
+ state = 3;
+ if (ptrace(PT_DETACH, pid, 0, 0) == -1)
+ err(1, "ptrace");
+ state = 4;
+ usleep(arc4random() % 100 + 50);
+ }
+
+ return (NULL);
+}
+
+static void *
+t2(void *data __unused)
+{
+#ifdef __NP__
+ pthread_set_name_np(pthread_self(), __func__);
+#endif
+ while (cont == 1) {
+ if (kill(pid, SIGHUP) == -1)
+ err(1, "kill");
+ usleep(arc4random() % 100 + 50);
+ }
+
+ return (NULL);
+}
+
+static void
+test(void)
+{
+ pthread_t tid[2];
+ struct sigaction sa;
+ int r, status;
+
+ r = pthread_barrier_wait(&barr);
+ if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+ errc(1, r, "pthread_barrier_wait");
+
+ sa.sa_handler = ahandler;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+ if (sigaction(SIGALRM, &sa, NULL) == -1)
+ err(1, "sigaction");
+ alarm(RUNTIME + 60);
+
+ sa.sa_handler = handler;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+ if (sigaction(SIGHUP, &sa, NULL) == -1)
+ err(1, "sigaction");
+
+ setproctitle("%s", "spinner");
+ if ((pid = fork()) == 0) {
+ for(;;)
+ getuid();
+
+ _exit(0);
+ }
+
+ cont = 1;
+ if ((r = pthread_create(&tid[0], NULL, t1, NULL)) == -1)
+ errc(1, r, "pthread_create");
+ if ((r = pthread_create(&tid[1], NULL, t2, NULL)) == -1)
+ errc(1, r, "pthread_create");
+
+ setproctitle("%s", "main");
+ sleep(RUNTIME);
+
+ cont = 0;
+ if ((r = pthread_join(tid[0], NULL)) == -1)
+ errc(1, r, "pthread_join");
+ if ((r = pthread_join(tid[1], NULL)) == -1)
+ errc(1, r, "pthread_join");
+ if (kill(pid, SIGKILL) != 0)
+ err(1, "kill(%d)", pid);
+ if (waitpid(pid, &status, 0) == -1)
+ err(1, "waitpid(%d)", pid);
+
+ exit(0);
+}
+
+int
+main(void)
+{
+ pthread_barrierattr_t attr;
+ int e, i, pids[PARALLEL], r, status;
+
+ if ((r = pthread_barrierattr_init(&attr)) != 0)
+ errc(1, r, "pthread_barrierattr_init");
+ if ((r = pthread_barrierattr_setpshared(&attr,
+ PTHREAD_PROCESS_SHARED)) != 0)
+ errc(1, r, "pthread_barrierattr_setpshared");
+ if ((r = pthread_barrier_init(&barr, &attr, PARALLEL)) != 0)
+ errc(1, r, "pthread_barrier_init");
+
+ e = 0;
+ for (i = 0; i < PARALLEL; i++) {
+ if ((pids[i] = fork()) == 0)
+ test();
+ }
+ for (i = 0; i < PARALLEL; i++) {
+ if (waitpid(pids[i], &status, 0) == -1)
+ err(1, "waitpid%d)", pids[i]);
+ e += status == 0 ? 0 : 1;
+ }
+
+ if ((r = pthread_barrier_destroy(&barr)) > 0)
+ errc(1, r, "pthread_barrier_destroy");
+
+ return (e);
+}
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