summaryrefslogtreecommitdiffstats
path: root/contrib/netbsd-tests/kernel/t_ptrace_wait.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/netbsd-tests/kernel/t_ptrace_wait.c')
-rw-r--r--contrib/netbsd-tests/kernel/t_ptrace_wait.c5082
1 files changed, 5082 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/kernel/t_ptrace_wait.c b/contrib/netbsd-tests/kernel/t_ptrace_wait.c
new file mode 100644
index 0000000..e502a03
--- /dev/null
+++ b/contrib/netbsd-tests/kernel/t_ptrace_wait.c
@@ -0,0 +1,5082 @@
+/* $NetBSD: t_ptrace_wait.c,v 1.53 2017/01/10 05:08:24 kamil Exp $ */
+
+/*-
+ * Copyright (c) 2016 The NetBSD Foundation, Inc.
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.53 2017/01/10 05:08:24 kamil Exp $");
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <sys/resource.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+#include <sys/wait.h>
+#include <machine/reg.h>
+#include <err.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <unistd.h>
+
+#include <atf-c.h>
+
+#include "../h_macros.h"
+
+#include "t_ptrace_wait.h"
+#include "msg.h"
+
+#define PARENT_TO_CHILD(info, fds, msg) \
+ ATF_REQUIRE(msg_write_child(info " to child " # fds, &fds, &msg, sizeof(msg)) == 0)
+
+#define CHILD_FROM_PARENT(info, fds, msg) \
+ FORKEE_ASSERT(msg_read_parent(info " from parent " # fds, &fds, &msg, sizeof(msg)) == 0)
+
+#define CHILD_TO_PARENT(info, fds, msg) \
+ FORKEE_ASSERT(msg_write_parent(info " to parent " # fds, &fds, &msg, sizeof(msg)) == 0)
+
+#define PARENT_FROM_CHILD(info, fds, msg) \
+ ATF_REQUIRE(msg_read_child(info " from parent " # fds, &fds, &msg, sizeof(msg)) == 0)
+
+ATF_TC(traceme1);
+ATF_TC_HEAD(traceme1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify SIGSTOP followed by _exit(2) in a child");
+}
+
+ATF_TC_BODY(traceme1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(traceme2);
+ATF_TC_HEAD(traceme2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify SIGSTOP followed by _exit(2) in a child");
+}
+
+static int traceme2_caught = 0;
+
+static void
+traceme2_sighandler(int sig)
+{
+ FORKEE_ASSERT_EQ(sig, SIGINT);
+
+ ++traceme2_caught;
+}
+
+ATF_TC_BODY(traceme2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP, sigsent = SIGINT;
+ pid_t child, wpid;
+ struct sigaction sa;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ sa.sa_handler = traceme2_sighandler;
+ sa.sa_flags = SA_SIGINFO;
+ sigemptyset(&sa.sa_mask);
+
+ FORKEE_ASSERT(sigaction(sigsent, &sa, NULL) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(traceme2_caught, 1);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before resuming the child process where it left off and with "
+ "signal %s to be sent\n", strsignal(sigsent));
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, sigsent) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the exited child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(traceme3);
+ATF_TC_HEAD(traceme3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify SIGSTOP followed by termination by a signal in a child");
+}
+
+ATF_TC_BODY(traceme3, tc)
+{
+ const int sigval = SIGSTOP, sigsent = SIGINT /* Without core-dump */;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ /* NOTREACHED */
+ FORKEE_ASSERTX(0 &&
+ "Child should be terminated by a signal from its parent");
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before resuming the child process where it left off and with "
+ "signal %s to be sent\n", strsignal(sigsent));
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, sigsent) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_signaled(status, sigsent, 0);
+
+ printf("Before calling %s() for the exited child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(traceme4);
+ATF_TC_HEAD(traceme4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify SIGSTOP followed by SIGCONT and _exit(2) in a child");
+}
+
+ATF_TC_BODY(traceme4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP, sigsent = SIGCONT;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before raising %s from child\n", strsignal(sigsent));
+ FORKEE_ASSERT(raise(sigsent) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(),child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigsent);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the exited child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+#if defined(TWAIT_HAVE_PID)
+ATF_TC(attach1);
+ATF_TC_HEAD(attach1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Assert that tracer sees process termination before the parent");
+}
+
+ATF_TC_BODY(attach1, tc)
+{
+ struct msg_fds parent_tracee, parent_tracer;
+ const int exitval_tracee = 5;
+ const int exitval_tracer = 10;
+ pid_t tracee, tracer, wpid;
+ uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Spawn tracee\n");
+ ATF_REQUIRE(msg_open(&parent_tracee) == 0);
+ tracee = atf_utils_fork();
+ if (tracee == 0) {
+ // Wait for parent to let us exit
+ CHILD_FROM_PARENT("exit tracee", parent_tracee, msg);
+ _exit(exitval_tracee);
+ }
+
+ printf("Spawn debugger\n");
+ ATF_REQUIRE(msg_open(&parent_tracer) == 0);
+ tracer = atf_utils_fork();
+ if (tracer == 0) {
+ printf("Before calling PT_ATTACH from tracee %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_ATTACH, tracee, NULL, 0) != -1);
+
+ /* Wait for tracee and assert that it was stopped w/ SIGSTOP */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_stopped(status, SIGSTOP);
+
+ /* Resume tracee with PT_CONTINUE */
+ FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
+
+ /* Inform parent that tracer has attached to tracee */
+ CHILD_TO_PARENT("tracer ready", parent_tracer, msg);
+
+ /* Wait for parent to tell use that tracee should have exited */
+ CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg);
+
+ /* Wait for tracee and assert that it exited */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_exited(status, exitval_tracee);
+ printf("Tracee %d exited with %d\n", tracee, exitval_tracee);
+
+ printf("Before exiting of the tracer process\n");
+ _exit(exitval_tracer);
+ }
+
+ printf("Wait for the tracer to attach to the tracee\n");
+ PARENT_FROM_CHILD("tracer ready", parent_tracer, msg);
+
+ printf("Resume the tracee and let it exit\n");
+ PARENT_TO_CHILD("exit tracee", parent_tracee, msg);
+
+ printf("Detect that tracee is zombie\n");
+ await_zombie(tracee);
+
+
+ printf("Assert that there is no status about tracee %d - "
+ "Tracer must detect zombie first - calling %s()\n", tracee,
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, WNOHANG), 0);
+
+ printf("Tell the tracer child should have exited\n");
+ PARENT_TO_CHILD("wait for tracee exit", parent_tracer, msg);
+ printf("Wait for tracer to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+
+ printf("Wait from tracer child to complete waiting for tracee\n");
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracer, &status, 0),
+ tracer);
+
+ validate_status_exited(status, exitval_tracer);
+
+ printf("Wait for tracee to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, WNOHANG),
+ tracee);
+
+ validate_status_exited(status, exitval_tracee);
+
+ msg_close(&parent_tracer);
+ msg_close(&parent_tracee);
+}
+#endif
+
+#if defined(TWAIT_HAVE_PID)
+ATF_TC(attach2);
+ATF_TC_HEAD(attach2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Assert that any tracer sees process termination before its "
+ "parent");
+}
+
+ATF_TC_BODY(attach2, tc)
+{
+ struct msg_fds parent_tracer, parent_tracee;
+ const int exitval_tracee = 5;
+ const int exitval_tracer1 = 10, exitval_tracer2 = 20;
+ pid_t tracee, tracer, wpid;
+ uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Spawn tracee\n");
+ ATF_REQUIRE(msg_open(&parent_tracee) == 0);
+ tracee = atf_utils_fork();
+ if (tracee == 0) {
+ /* Wait for message from the parent */
+ CHILD_FROM_PARENT("Message 1", parent_tracee, msg);
+ _exit(exitval_tracee);
+ }
+
+ printf("Spawn debugger\n");
+ ATF_REQUIRE(msg_open(&parent_tracer) == 0);
+ tracer = atf_utils_fork();
+ if (tracer == 0) {
+ /* Fork again and drop parent to reattach to PID 1 */
+ tracer = atf_utils_fork();
+ if (tracer != 0)
+ _exit(exitval_tracer1);
+
+ printf("Before calling PT_ATTACH from tracee %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_ATTACH, tracee, NULL, 0) != -1);
+
+ /* Wait for tracee and assert that it was stopped w/ SIGSTOP */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_stopped(status, SIGSTOP);
+
+ /* Resume tracee with PT_CONTINUE */
+ FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
+
+ /* Inform parent that tracer has attached to tracee */
+ CHILD_TO_PARENT("Message 1", parent_tracer, msg);
+ CHILD_FROM_PARENT("Message 2", parent_tracer, msg);
+
+ /* Wait for tracee and assert that it exited */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_exited(status, exitval_tracee);
+
+ printf("Before exiting of the tracer process\n");
+ _exit(exitval_tracer2);
+ }
+ printf("Wait for the tracer process (direct child) to exit calling "
+ "%s()\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracer, &status, 0), tracer);
+
+ validate_status_exited(status, exitval_tracer1);
+
+ printf("Wait for the non-exited tracee process with %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, NULL, WNOHANG), 0);
+
+ printf("Wait for the tracer to attach to the tracee\n");
+ PARENT_FROM_CHILD("Message 1", parent_tracer, msg);
+ printf("Resume the tracee and let it exit\n");
+ PARENT_TO_CHILD("Message 1", parent_tracee, msg);
+
+ printf("Detect that tracee is zombie\n");
+ await_zombie(tracee);
+
+ printf("Assert that there is no status about tracee - "
+ "Tracer must detect zombie first - calling %s()\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, WNOHANG), 0);
+
+ printf("Resume the tracer and let it detect exited tracee\n");
+ PARENT_TO_CHILD("Message 2", parent_tracer, msg);
+
+ printf("Wait for tracee to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, WNOHANG),
+ tracee);
+
+ validate_status_exited(status, exitval_tracee);
+
+ msg_close(&parent_tracer);
+ msg_close(&parent_tracee);
+
+}
+#endif
+
+ATF_TC(attach3);
+ATF_TC_HEAD(attach3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Assert that tracer parent can PT_ATTACH to its child");
+}
+
+ATF_TC_BODY(attach3, tc)
+{
+ struct msg_fds parent_tracee;
+ const int exitval_tracee = 5;
+ pid_t tracee, wpid;
+ uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Spawn tracee\n");
+ ATF_REQUIRE(msg_open(&parent_tracee) == 0);
+ tracee = atf_utils_fork();
+ if (tracee == 0) {
+ CHILD_FROM_PARENT("Message 1", parent_tracee, msg);
+ printf("Parent should now attach to tracee\n");
+
+ CHILD_FROM_PARENT("Message 2", parent_tracee, msg);
+ /* Wait for message from the parent */
+ _exit(exitval_tracee);
+ }
+ PARENT_TO_CHILD("Message 1", parent_tracee, msg);
+
+ printf("Before calling PT_ATTACH for tracee %d\n", tracee);
+ ATF_REQUIRE(ptrace(PT_ATTACH, tracee, NULL, 0) != -1);
+
+ printf("Wait for the stopped tracee process with %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ validate_status_stopped(status, SIGSTOP);
+
+ printf("Resume tracee with PT_CONTINUE\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
+
+ printf("Let the tracee exit now\n");
+ PARENT_TO_CHILD("Message 2", parent_tracee, msg);
+
+ printf("Wait for tracee to exit with %s()\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ validate_status_exited(status, exitval_tracee);
+
+ printf("Before calling %s() for tracee\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD,
+ wpid = TWAIT_GENERIC(tracee, &status, 0));
+
+ msg_close(&parent_tracee);
+}
+
+ATF_TC(attach4);
+ATF_TC_HEAD(attach4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Assert that tracer child can PT_ATTACH to its parent");
+}
+
+ATF_TC_BODY(attach4, tc)
+{
+ struct msg_fds parent_tracee;
+ const int exitval_tracer = 5;
+ pid_t tracer, wpid;
+ uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Spawn tracer\n");
+ ATF_REQUIRE(msg_open(&parent_tracee) == 0);
+ tracer = atf_utils_fork();
+ if (tracer == 0) {
+
+ /* Wait for message from the parent */
+ CHILD_FROM_PARENT("Message 1", parent_tracee, msg);
+
+ printf("Attach to parent PID %d with PT_ATTACH from child\n",
+ getppid());
+ FORKEE_ASSERT(ptrace(PT_ATTACH, getppid(), NULL, 0) != -1);
+
+ printf("Wait for the stopped parent process with %s()\n",
+ TWAIT_FNAME);
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(getppid(), &status, 0), getppid());
+
+ forkee_status_stopped(status, SIGSTOP);
+
+ printf("Resume parent with PT_DETACH\n");
+ FORKEE_ASSERT(ptrace(PT_DETACH, getppid(), (void *)1, 0)
+ != -1);
+
+ /* Tell parent we are ready */
+ CHILD_TO_PARENT("Message 1", parent_tracee, msg);
+
+ _exit(exitval_tracer);
+ }
+
+ printf("Wait for the tracer to become ready\n");
+ PARENT_TO_CHILD("Message 1", parent_tracee, msg);
+ printf("Allow the tracer to exit now\n");
+ PARENT_FROM_CHILD("Message 1", parent_tracee, msg);
+
+ printf("Wait for tracer to exit with %s()\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracer, &status, 0), tracer);
+
+ validate_status_exited(status, exitval_tracer);
+
+ printf("Before calling %s() for tracer\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD,
+ wpid = TWAIT_GENERIC(tracer, &status, 0));
+
+ msg_close(&parent_tracee);
+}
+
+#if defined(TWAIT_HAVE_PID)
+ATF_TC(attach5);
+ATF_TC_HEAD(attach5, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Assert that tracer sees its parent when attached to tracer "
+ "(check getppid(2))");
+}
+
+ATF_TC_BODY(attach5, tc)
+{
+ struct msg_fds parent_tracer, parent_tracee;
+ const int exitval_tracee = 5;
+ const int exitval_tracer = 10;
+ pid_t parent, tracee, tracer, wpid;
+ uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Spawn tracee\n");
+ ATF_REQUIRE(msg_open(&parent_tracer) == 0);
+ ATF_REQUIRE(msg_open(&parent_tracee) == 0);
+ tracee = atf_utils_fork();
+ if (tracee == 0) {
+ parent = getppid();
+
+ /* Emit message to the parent */
+ CHILD_TO_PARENT("tracee ready", parent_tracee, msg);
+ CHILD_FROM_PARENT("exit tracee", parent_tracee, msg);
+
+ FORKEE_ASSERT_EQ(parent, getppid());
+
+ _exit(exitval_tracee);
+ }
+ printf("Wait for child to record its parent identifier (pid)\n");
+ PARENT_FROM_CHILD("tracee ready", parent_tracee, msg);
+
+ printf("Spawn debugger\n");
+ tracer = atf_utils_fork();
+ if (tracer == 0) {
+ /* No IPC to communicate with the child */
+ printf("Before calling PT_ATTACH from tracee %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_ATTACH, tracee, NULL, 0) != -1);
+
+ /* Wait for tracee and assert that it was stopped w/ SIGSTOP */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_stopped(status, SIGSTOP);
+
+ /* Resume tracee with PT_CONTINUE */
+ FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
+
+ /* Inform parent that tracer has attached to tracee */
+ CHILD_TO_PARENT("tracer ready", parent_tracer, msg);
+
+ /* Wait for parent to tell use that tracee should have exited */
+ CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg);
+
+ /* Wait for tracee and assert that it exited */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_exited(status, exitval_tracee);
+
+ printf("Before exiting of the tracer process\n");
+ _exit(exitval_tracer);
+ }
+
+ printf("Wait for the tracer to attach to the tracee\n");
+ PARENT_FROM_CHILD("tracer ready", parent_tracer, msg);
+
+ printf("Resume the tracee and let it exit\n");
+ PARENT_TO_CHILD("exit tracee", parent_tracee, msg);
+
+ printf("Detect that tracee is zombie\n");
+ await_zombie(tracee);
+
+ printf("Assert that there is no status about tracee - "
+ "Tracer must detect zombie first - calling %s()\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, WNOHANG), 0);
+
+ printf("Tell the tracer child should have exited\n");
+ PARENT_TO_CHILD("wait for tracee exit", parent_tracer, msg);
+
+ printf("Wait from tracer child to complete waiting for tracee\n");
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracer, &status, 0),
+ tracer);
+
+ validate_status_exited(status, exitval_tracer);
+
+ printf("Wait for tracee to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, WNOHANG),
+ tracee);
+
+ validate_status_exited(status, exitval_tracee);
+
+ msg_close(&parent_tracer);
+ msg_close(&parent_tracee);
+}
+#endif
+
+#if defined(TWAIT_HAVE_PID)
+ATF_TC(attach6);
+ATF_TC_HEAD(attach6, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Assert that tracer sees its parent when attached to tracer "
+ "(check sysctl(7) and struct kinfo_proc2)");
+}
+
+ATF_TC_BODY(attach6, tc)
+{
+ struct msg_fds parent_tracee, parent_tracer;
+ const int exitval_tracee = 5;
+ const int exitval_tracer = 10;
+ pid_t parent, tracee, tracer, wpid;
+ uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ int name[CTL_MAXNAME];
+ struct kinfo_proc2 kp;
+ size_t len = sizeof(kp);
+ unsigned int namelen;
+
+ printf("Spawn tracee\n");
+ ATF_REQUIRE(msg_open(&parent_tracee) == 0);
+ ATF_REQUIRE(msg_open(&parent_tracer) == 0);
+ tracee = atf_utils_fork();
+ if (tracee == 0) {
+ parent = getppid();
+
+ /* Emit message to the parent */
+ CHILD_TO_PARENT("Message 1", parent_tracee, msg);
+ CHILD_FROM_PARENT("Message 2", parent_tracee, msg);
+
+ namelen = 0;
+ name[namelen++] = CTL_KERN;
+ name[namelen++] = KERN_PROC2;
+ name[namelen++] = KERN_PROC_PID;
+ name[namelen++] = getpid();
+ name[namelen++] = len;
+ name[namelen++] = 1;
+
+ FORKEE_ASSERT(sysctl(name, namelen, &kp, &len, NULL, 0) == 0);
+ FORKEE_ASSERT_EQ(parent, kp.p_ppid);
+
+ _exit(exitval_tracee);
+ }
+
+ printf("Wait for child to record its parent identifier (pid)\n");
+ PARENT_FROM_CHILD("Message 1", parent_tracee, msg);
+
+ printf("Spawn debugger\n");
+ tracer = atf_utils_fork();
+ if (tracer == 0) {
+ /* No IPC to communicate with the child */
+ printf("Before calling PT_ATTACH from tracee %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_ATTACH, tracee, NULL, 0) != -1);
+
+ /* Wait for tracee and assert that it was stopped w/ SIGSTOP */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_stopped(status, SIGSTOP);
+
+ /* Resume tracee with PT_CONTINUE */
+ FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
+
+ /* Inform parent that tracer has attached to tracee */
+ CHILD_TO_PARENT("Message 1", parent_tracer, msg);
+
+ CHILD_FROM_PARENT("Message 2", parent_tracer, msg);
+
+ /* Wait for tracee and assert that it exited */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_exited(status, exitval_tracee);
+
+ printf("Before exiting of the tracer process\n");
+ _exit(exitval_tracer);
+ }
+
+ printf("Wait for the tracer to attach to the tracee\n");
+ PARENT_FROM_CHILD("Message 1", parent_tracer, msg);
+
+ printf("Resume the tracee and let it exit\n");
+ PARENT_TO_CHILD("Message 1", parent_tracee, msg);
+
+ printf("Detect that tracee is zombie\n");
+ await_zombie(tracee);
+
+ printf("Assert that there is no status about tracee - "
+ "Tracer must detect zombie first - calling %s()\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, WNOHANG), 0);
+
+ printf("Resume the tracer and let it detect exited tracee\n");
+ PARENT_TO_CHILD("Message 2", parent_tracer, msg);
+
+ printf("Wait for tracer to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracer, &status, 0),
+ tracer);
+
+ validate_status_exited(status, exitval_tracer);
+
+ printf("Wait for tracee to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, WNOHANG),
+ tracee);
+
+ validate_status_exited(status, exitval_tracee);
+
+ msg_close(&parent_tracee);
+ msg_close(&parent_tracer);
+}
+#endif
+
+#if defined(TWAIT_HAVE_PID)
+ATF_TC(attach7);
+ATF_TC_HEAD(attach7, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Assert that tracer sees its parent when attached to tracer "
+ "(check /proc/curproc/status 3rd column)");
+}
+
+ATF_TC_BODY(attach7, tc)
+{
+ struct msg_fds parent_tracee, parent_tracer;
+ int rv;
+ const int exitval_tracee = 5;
+ const int exitval_tracer = 10;
+ pid_t parent, tracee, tracer, wpid;
+ uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ FILE *fp;
+ struct stat st;
+ const char *fname = "/proc/curproc/status";
+ char s_executable[MAXPATHLEN];
+ int s_pid, s_ppid;
+ /*
+ * Format:
+ * EXECUTABLE PID PPID ...
+ */
+
+ ATF_REQUIRE((rv = stat(fname, &st)) == 0 || (errno == ENOENT));
+ if (rv != 0) {
+ atf_tc_skip("/proc/curproc/status not found");
+ }
+
+ printf("Spawn tracee\n");
+ ATF_REQUIRE(msg_open(&parent_tracee) == 0);
+ ATF_REQUIRE(msg_open(&parent_tracer) == 0);
+ tracee = atf_utils_fork();
+ if (tracee == 0) {
+ parent = getppid();
+
+ // Wait for parent to let us exit
+ CHILD_TO_PARENT("tracee ready", parent_tracee, msg);
+ CHILD_FROM_PARENT("tracee exit", parent_tracee, msg);
+
+ FORKEE_ASSERT((fp = fopen(fname, "r")) != NULL);
+ fscanf(fp, "%s %d %d", s_executable, &s_pid, &s_ppid);
+ FORKEE_ASSERT(fclose(fp) == 0);
+ FORKEE_ASSERT_EQ(parent, s_ppid);
+
+ _exit(exitval_tracee);
+ }
+
+ printf("Wait for child to record its parent identifier (pid)\n");
+ PARENT_FROM_CHILD("tracee ready", parent_tracee, msg);
+
+ printf("Spawn debugger\n");
+ tracer = atf_utils_fork();
+ if (tracer == 0) {
+ printf("Before calling PT_ATTACH from tracee %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_ATTACH, tracee, NULL, 0) != -1);
+
+ /* Wait for tracee and assert that it was stopped w/ SIGSTOP */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_stopped(status, SIGSTOP);
+
+ /* Resume tracee with PT_CONTINUE */
+ FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
+
+ /* Inform parent that tracer has attached to tracee */
+ CHILD_TO_PARENT("tracer ready", parent_tracer, msg);
+
+ /* Wait for parent to tell use that tracee should have exited */
+ CHILD_FROM_PARENT("wait for tracee exit", parent_tracer, msg);
+
+ /* Wait for tracee and assert that it exited */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_exited(status, exitval_tracee);
+
+ printf("Before exiting of the tracer process\n");
+ _exit(exitval_tracer);
+ }
+ printf("Wait for the tracer to attach to the tracee\n");
+ PARENT_FROM_CHILD("tracer ready", parent_tracer, msg);
+ printf("Resume the tracee and let it exit\n");
+ PARENT_TO_CHILD("tracee exit", parent_tracee, msg);
+
+ printf("Detect that tracee is zombie\n");
+ await_zombie(tracee);
+
+ printf("Assert that there is no status about tracee - "
+ "Tracer must detect zombie first - calling %s()\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, WNOHANG), 0);
+
+ printf("Resume the tracer and let it detect exited tracee\n");
+ PARENT_TO_CHILD("Message 2", parent_tracer, msg);
+
+ printf("Wait for tracer to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracer, &status, 0),
+ tracer);
+
+ validate_status_exited(status, exitval_tracer);
+
+ printf("Wait for tracee to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, WNOHANG),
+ tracee);
+
+ validate_status_exited(status, exitval_tracee);
+
+ msg_close(&parent_tracee);
+ msg_close(&parent_tracer);
+}
+#endif
+
+ATF_TC(eventmask1);
+ATF_TC_HEAD(eventmask1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that empty EVENT_MASK is preserved");
+}
+
+ATF_TC_BODY(eventmask1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ ptrace_event_t set_event, get_event;
+ const int len = sizeof(ptrace_event_t);
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ set_event.pe_set_event = 0;
+ ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
+ ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
+ ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(eventmask2);
+ATF_TC_HEAD(eventmask2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that PTRACE_FORK in EVENT_MASK is preserved");
+}
+
+ATF_TC_BODY(eventmask2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ ptrace_event_t set_event, get_event;
+ const int len = sizeof(ptrace_event_t);
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ set_event.pe_set_event = PTRACE_FORK;
+ ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
+ ATF_REQUIRE(ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
+ ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+#if defined(TWAIT_HAVE_PID)
+ATF_TC(fork1);
+ATF_TC_HEAD(fork1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that fork(2) is intercepted by ptrace(2) with EVENT_MASK "
+ "set to PTRACE_FORK");
+}
+
+ATF_TC_BODY(fork1, tc)
+{
+ const int exitval = 5;
+ const int exitval2 = 15;
+ const int sigval = SIGSTOP;
+ pid_t child, child2, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ ptrace_state_t state;
+ const int slen = sizeof(state);
+ ptrace_event_t event;
+ const int elen = sizeof(event);
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT((child2 = fork()) != 1);
+
+ if (child2 == 0)
+ _exit(exitval2);
+
+ FORKEE_REQUIRE_SUCCESS
+ (wpid = TWAIT_GENERIC(child2, &status, 0), child2);
+
+ forkee_status_exited(status, exitval2);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Enable PTRACE_FORK in EVENT_MASK for the child %d\n", child);
+ event.pe_set_event = PTRACE_FORK;
+ ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child %d\n", TWAIT_FNAME, child);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1);
+ ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_FORK);
+
+ child2 = state.pe_other_pid;
+ printf("Reported PTRACE_FORK event with forkee %d\n", child2);
+
+ printf("Before calling %s() for the forkee %d of the child %d\n",
+ TWAIT_FNAME, child2, child);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0),
+ child2);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1);
+ ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_FORK);
+ ATF_REQUIRE_EQ(state.pe_other_pid, child);
+
+ printf("Before resuming the forkee process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child2, (void *)1, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the forkee - expected exited\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0),
+ child2);
+
+ validate_status_exited(status, exitval2);
+
+ printf("Before calling %s() for the forkee - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD,
+ wpid = TWAIT_GENERIC(child2, &status, 0));
+
+ printf("Before calling %s() for the child - expected stopped "
+ "SIGCHLD\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGCHLD);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child - expected exited\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+ATF_TC(fork2);
+ATF_TC_HEAD(fork2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that fork(2) is not intercepted by ptrace(2) with empty "
+ "EVENT_MASK");
+}
+
+ATF_TC_BODY(fork2, tc)
+{
+ const int exitval = 5;
+ const int exitval2 = 15;
+ const int sigval = SIGSTOP;
+ pid_t child, child2, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ ptrace_event_t event;
+ const int elen = sizeof(event);
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT((child2 = fork()) != 1);
+
+ if (child2 == 0)
+ _exit(exitval2);
+
+ FORKEE_REQUIRE_SUCCESS
+ (wpid = TWAIT_GENERIC(child2, &status, 0), child2);
+
+ forkee_status_exited(status, exitval2);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Set empty EVENT_MASK for the child %d\n", child);
+ event.pe_set_event = 0;
+ ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child - expected stopped "
+ "SIGCHLD\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGCHLD);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child - expected exited\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+#if defined(TWAIT_HAVE_PID)
+ATF_TC(vfork1);
+ATF_TC_HEAD(vfork1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that vfork(2) is intercepted by ptrace(2) with EVENT_MASK "
+ "set to PTRACE_VFORK");
+}
+
+ATF_TC_BODY(vfork1, tc)
+{
+ const int exitval = 5;
+ const int exitval2 = 15;
+ const int sigval = SIGSTOP;
+ pid_t child, child2, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ ptrace_state_t state;
+ const int slen = sizeof(state);
+ ptrace_event_t event;
+ const int elen = sizeof(event);
+
+ /*
+ * ptrace(2) command PT_SET_EVENT_MASK: option PTRACE_VFORK unsupported
+ */
+#ifndef PTRACE_VFORK
+#define PTRACE_VFORK 0
+#endif
+ atf_tc_expect_fail("PR kern/51630");
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT((child2 = vfork()) != 1);
+
+ if (child2 == 0)
+ _exit(exitval2);
+
+ FORKEE_REQUIRE_SUCCESS
+ (wpid = TWAIT_GENERIC(child2, &status, 0), child2);
+
+ forkee_status_exited(status, exitval2);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Enable PTRACE_VFORK in EVENT_MASK for the child %d\n", child);
+ event.pe_set_event = PTRACE_VFORK;
+ ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child %d\n", TWAIT_FNAME, child);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1);
+ ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK);
+
+ child2 = state.pe_other_pid;
+ printf("Reported PTRACE_VFORK event with forkee %d\n", child2);
+
+ printf("Before calling %s() for the forkee %d of the child %d\n",
+ TWAIT_FNAME, child2, child);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0),
+ child2);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1);
+ ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK);
+ ATF_REQUIRE_EQ(state.pe_other_pid, child);
+
+ printf("Before resuming the forkee process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child2, (void *)1, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the forkee - expected exited\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0),
+ child2);
+
+ validate_status_exited(status, exitval2);
+
+ printf("Before calling %s() for the forkee - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD,
+ wpid = TWAIT_GENERIC(child2, &status, 0));
+
+ printf("Before calling %s() for the child - expected stopped "
+ "SIGCHLD\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGCHLD);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child - expected exited\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+ATF_TC(vfork2);
+ATF_TC_HEAD(vfork2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that vfork(2) is not intercepted by ptrace(2) with empty "
+ "EVENT_MASK");
+}
+
+ATF_TC_BODY(vfork2, tc)
+{
+ const int exitval = 5;
+ const int exitval2 = 15;
+ const int sigval = SIGSTOP;
+ pid_t child, child2, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ ptrace_event_t event;
+ const int elen = sizeof(event);
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT((child2 = vfork()) != 1);
+
+ if (child2 == 0)
+ _exit(exitval2);
+
+ FORKEE_REQUIRE_SUCCESS
+ (wpid = TWAIT_GENERIC(child2, &status, 0), child2);
+
+ forkee_status_exited(status, exitval2);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Set empty EVENT_MASK for the child %d\n", child);
+ event.pe_set_event = 0;
+ ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child - expected stopped "
+ "SIGCHLD\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGCHLD);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child - expected exited\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_read_d1);
+ATF_TC_HEAD(io_read_d1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_READ_D and len = sizeof(uint8_t)");
+}
+
+ATF_TC_BODY(io_read_d1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint8_t lookup_me = 0;
+ const uint8_t magic = 0xab;
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_READ_D,
+ .piod_offs = &lookup_me,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me = magic;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_read_d2);
+ATF_TC_HEAD(io_read_d2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_READ_D and len = sizeof(uint16_t)");
+}
+
+ATF_TC_BODY(io_read_d2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint16_t lookup_me = 0;
+ const uint16_t magic = 0x1234;
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_READ_D,
+ .piod_offs = &lookup_me,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me = magic;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %" PRIx16 " != expected %" PRIx16, lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_read_d3);
+ATF_TC_HEAD(io_read_d3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_READ_D and len = sizeof(uint32_t)");
+}
+
+ATF_TC_BODY(io_read_d3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint32_t lookup_me = 0;
+ const uint32_t magic = 0x1234abcd;
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_READ_D,
+ .piod_offs = &lookup_me,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me = magic;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %" PRIx32 " != expected %" PRIx32, lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_read_d4);
+ATF_TC_HEAD(io_read_d4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_READ_D and len = sizeof(uint64_t)");
+}
+
+ATF_TC_BODY(io_read_d4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint64_t lookup_me = 0;
+ const uint64_t magic = 0x1234abcd9876dcfa;
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_READ_D,
+ .piod_offs = &lookup_me,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me = magic;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %" PRIx64 " != expected %" PRIx64, lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_write_d1);
+ATF_TC_HEAD(io_write_d1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_WRITE_D and len = sizeof(uint8_t)");
+}
+
+ATF_TC_BODY(io_write_d1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint8_t lookup_me = 0;
+ const uint8_t magic = 0xab;
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_WRITE_D,
+ .piod_offs = &lookup_me,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me, magic);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ lookup_me = magic;
+
+ printf("Write new lookup_me to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_write_d2);
+ATF_TC_HEAD(io_write_d2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_WRITE_D and len = sizeof(uint16_t)");
+}
+
+ATF_TC_BODY(io_write_d2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint16_t lookup_me = 0;
+ const uint16_t magic = 0xab12;
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_WRITE_D,
+ .piod_offs = &lookup_me,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me, magic);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ lookup_me = magic;
+
+ printf("Write new lookup_me to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_write_d3);
+ATF_TC_HEAD(io_write_d3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_WRITE_D and len = sizeof(uint32_t)");
+}
+
+ATF_TC_BODY(io_write_d3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint32_t lookup_me = 0;
+ const uint32_t magic = 0xab127643;
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_WRITE_D,
+ .piod_offs = &lookup_me,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me, magic);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ lookup_me = magic;
+
+ printf("Write new lookup_me to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_write_d4);
+ATF_TC_HEAD(io_write_d4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_WRITE_D and len = sizeof(uint64_t)");
+}
+
+ATF_TC_BODY(io_write_d4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint64_t lookup_me = 0;
+ const uint64_t magic = 0xab12764376490123;
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_WRITE_D,
+ .piod_offs = &lookup_me,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me, magic);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ lookup_me = magic;
+
+ printf("Write new lookup_me to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_d1);
+ATF_TC_HEAD(read_d1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_D called once");
+}
+
+ATF_TC_BODY(read_d1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me = 0;
+ const int magic = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me = magic;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read new lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me = ptrace(PT_READ_D, child, &lookup_me, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %#x != expected %#x", lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_d2);
+ATF_TC_HEAD(read_d2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_D called twice");
+}
+
+ATF_TC_BODY(read_d2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ const int magic1 = (int)random();
+ const int magic2 = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me1 = magic1;
+ lookup_me2 = magic2;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read new lookup_me1 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me1 = ptrace(PT_READ_D, child, &lookup_me1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me1, magic1,
+ "got value %#x != expected %#x", lookup_me1, magic1);
+
+ printf("Read new lookup_me2 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me2 = ptrace(PT_READ_D, child, &lookup_me2, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me2, magic2,
+ "got value %#x != expected %#x", lookup_me2, magic2);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_d3);
+ATF_TC_HEAD(read_d3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_D called three times");
+}
+
+ATF_TC_BODY(read_d3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ int lookup_me3 = 0;
+ const int magic1 = (int)random();
+ const int magic2 = (int)random();
+ const int magic3 = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me1 = magic1;
+ lookup_me2 = magic2;
+ lookup_me3 = magic3;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read new lookup_me1 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me1 = ptrace(PT_READ_D, child, &lookup_me1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me1, magic1,
+ "got value %#x != expected %#x", lookup_me1, magic1);
+
+ printf("Read new lookup_me2 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me2 = ptrace(PT_READ_D, child, &lookup_me2, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me2, magic2,
+ "got value %#x != expected %#x", lookup_me2, magic2);
+
+ printf("Read new lookup_me3 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me3 = ptrace(PT_READ_D, child, &lookup_me3, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me3, magic3,
+ "got value %#x != expected %#x", lookup_me3, magic3);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_d4);
+ATF_TC_HEAD(read_d4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_D called four times");
+}
+
+ATF_TC_BODY(read_d4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ int lookup_me3 = 0;
+ int lookup_me4 = 0;
+ const int magic1 = (int)random();
+ const int magic2 = (int)random();
+ const int magic3 = (int)random();
+ const int magic4 = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me1 = magic1;
+ lookup_me2 = magic2;
+ lookup_me3 = magic3;
+ lookup_me4 = magic4;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read new lookup_me1 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me1 = ptrace(PT_READ_D, child, &lookup_me1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me1, magic1,
+ "got value %#x != expected %#x", lookup_me1, magic1);
+
+ printf("Read new lookup_me2 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me2 = ptrace(PT_READ_D, child, &lookup_me2, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me2, magic2,
+ "got value %#x != expected %#x", lookup_me2, magic2);
+
+ printf("Read new lookup_me3 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me3 = ptrace(PT_READ_D, child, &lookup_me3, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me3, magic3,
+ "got value %#x != expected %#x", lookup_me3, magic3);
+
+ printf("Read new lookup_me4 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me4 = ptrace(PT_READ_D, child, &lookup_me4, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me4, magic4,
+ "got value %#x != expected %#x", lookup_me4, magic4);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(write_d1);
+ATF_TC_HEAD(write_d1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_WRITE_D called once");
+}
+
+ATF_TC_BODY(write_d1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me = 0;
+ const int magic = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me, magic);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Write new lookup_me to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me, magic) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(write_d2);
+ATF_TC_HEAD(write_d2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_WRITE_D called twice");
+}
+
+ATF_TC_BODY(write_d2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ const int magic1 = (int)random();
+ const int magic2 = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me1, magic1);
+ FORKEE_ASSERT_EQ(lookup_me2, magic2);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Write new lookup_me1 to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me1, magic1) != -1);
+
+ printf("Write new lookup_me2 to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me2, magic2) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(write_d3);
+ATF_TC_HEAD(write_d3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_WRITE_D called three times");
+}
+
+ATF_TC_BODY(write_d3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ int lookup_me3 = 0;
+ const int magic1 = (int)random();
+ const int magic2 = (int)random();
+ const int magic3 = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me1, magic1);
+ FORKEE_ASSERT_EQ(lookup_me2, magic2);
+ FORKEE_ASSERT_EQ(lookup_me3, magic3);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Write new lookup_me1 to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me1, magic1) != -1);
+
+ printf("Write new lookup_me2 to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me2, magic2) != -1);
+
+ printf("Write new lookup_me3 to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me3, magic3) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(write_d4);
+ATF_TC_HEAD(write_d4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_WRITE_D called four times");
+}
+
+ATF_TC_BODY(write_d4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ int lookup_me3 = 0;
+ int lookup_me4 = 0;
+ const int magic1 = (int)random();
+ const int magic2 = (int)random();
+ const int magic3 = (int)random();
+ const int magic4 = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me1, magic1);
+ FORKEE_ASSERT_EQ(lookup_me2, magic2);
+ FORKEE_ASSERT_EQ(lookup_me3, magic3);
+ FORKEE_ASSERT_EQ(lookup_me4, magic4);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Write new lookup_me1 to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me1, magic1) != -1);
+
+ printf("Write new lookup_me2 to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me2, magic2) != -1);
+
+ printf("Write new lookup_me3 to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me3, magic3) != -1);
+
+ printf("Write new lookup_me4 to tracee (PID=%d) from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_WRITE_D, child, &lookup_me4, magic4) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_read_d_write_d_handshake1);
+ATF_TC_HEAD(io_read_d_write_d_handshake1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_READ_D and PIOD_WRITE_D handshake");
+}
+
+ATF_TC_BODY(io_read_d_write_d_handshake1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint8_t lookup_me_fromtracee = 0;
+ const uint8_t magic_fromtracee = (uint8_t)random();
+ uint8_t lookup_me_totracee = 0;
+ const uint8_t magic_totracee = (uint8_t)random();
+ struct ptrace_io_desc io_fromtracee = {
+ .piod_op = PIOD_READ_D,
+ .piod_offs = &lookup_me_fromtracee,
+ .piod_addr = &lookup_me_fromtracee,
+ .piod_len = sizeof(lookup_me_fromtracee)
+ };
+ struct ptrace_io_desc io_totracee = {
+ .piod_op = PIOD_WRITE_D,
+ .piod_offs = &lookup_me_totracee,
+ .piod_addr = &lookup_me_totracee,
+ .piod_len = sizeof(lookup_me_totracee)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me_fromtracee = magic_fromtracee;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me_totracee, magic_totracee);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read lookup_me_fromtracee PID=%d by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io_fromtracee, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me_fromtracee, magic_fromtracee,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me_fromtracee,
+ magic_fromtracee);
+
+ lookup_me_totracee = magic_totracee;
+
+ printf("Write lookup_me_totracee to PID=%d by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io_totracee, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me_totracee, magic_totracee,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me_totracee,
+ magic_totracee);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_read_d_write_d_handshake2);
+ATF_TC_HEAD(io_read_d_write_d_handshake2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_WRITE_D and PIOD_READ_D handshake");
+}
+
+ATF_TC_BODY(io_read_d_write_d_handshake2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint8_t lookup_me_fromtracee = 0;
+ const uint8_t magic_fromtracee = (uint8_t)random();
+ uint8_t lookup_me_totracee = 0;
+ const uint8_t magic_totracee = (uint8_t)random();
+ struct ptrace_io_desc io_fromtracee = {
+ .piod_op = PIOD_READ_D,
+ .piod_offs = &lookup_me_fromtracee,
+ .piod_addr = &lookup_me_fromtracee,
+ .piod_len = sizeof(lookup_me_fromtracee)
+ };
+ struct ptrace_io_desc io_totracee = {
+ .piod_op = PIOD_WRITE_D,
+ .piod_offs = &lookup_me_totracee,
+ .piod_addr = &lookup_me_totracee,
+ .piod_len = sizeof(lookup_me_totracee)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me_fromtracee = magic_fromtracee;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me_totracee, magic_totracee);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ lookup_me_totracee = magic_totracee;
+
+ printf("Write lookup_me_totracee to PID=%d by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io_totracee, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me_totracee, magic_totracee,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me_totracee,
+ magic_totracee);
+
+ printf("Read lookup_me_fromtracee PID=%d by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io_fromtracee, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me_fromtracee, magic_fromtracee,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me_fromtracee,
+ magic_fromtracee);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_d_write_d_handshake1);
+ATF_TC_HEAD(read_d_write_d_handshake1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_D with PT_WRITE_D handshake");
+}
+
+ATF_TC_BODY(read_d_write_d_handshake1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me_fromtracee = 0;
+ const int magic_fromtracee = (int)random();
+ int lookup_me_totracee = 0;
+ const int magic_totracee = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me_fromtracee = magic_fromtracee;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me_totracee, magic_totracee);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read new lookup_me_fromtracee PID=%d by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me_fromtracee =
+ ptrace(PT_READ_D, child, &lookup_me_fromtracee, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me_fromtracee, magic_fromtracee,
+ "got value %#x != expected %#x", lookup_me_fromtracee,
+ magic_fromtracee);
+
+ printf("Write new lookup_me_totracee to PID=%d from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE
+ (ptrace(PT_WRITE_D, child, &lookup_me_totracee, magic_totracee)
+ != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_d_write_d_handshake2);
+ATF_TC_HEAD(read_d_write_d_handshake2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_WRITE_D with PT_READ_D handshake");
+}
+
+ATF_TC_BODY(read_d_write_d_handshake2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me_fromtracee = 0;
+ const int magic_fromtracee = (int)random();
+ int lookup_me_totracee = 0;
+ const int magic_totracee = (int)random();
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ lookup_me_fromtracee = magic_fromtracee;
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(lookup_me_totracee, magic_totracee);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Write new lookup_me_totracee to PID=%d from tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE
+ (ptrace(PT_WRITE_D, child, &lookup_me_totracee, magic_totracee)
+ != -1);
+
+ printf("Read new lookup_me_fromtracee PID=%d by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me_fromtracee =
+ ptrace(PT_READ_D, child, &lookup_me_fromtracee, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me_fromtracee, magic_fromtracee,
+ "got value %#x != expected %#x", lookup_me_fromtracee,
+ magic_fromtracee);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+/* These dummy functions are used to be copied with ptrace(2) calls */
+static int __used
+dummy_fn1(int a, int b, int c, int d)
+{
+
+ a *= 1;
+ b += 2;
+ c -= 3;
+ d /= 4;
+
+ return a + b * c - d;
+}
+
+static int __used
+dummy_fn2(int a, int b, int c, int d)
+{
+
+ a *= 4;
+ b += 3;
+ c -= 2;
+ d /= 1;
+
+ return a + b * c - d;
+}
+
+static int __used
+dummy_fn3(int a, int b, int c, int d)
+{
+
+ a *= 10;
+ b += 20;
+ c -= 30;
+ d /= 40;
+
+ return a + b * c - d;
+}
+
+static int __used
+dummy_fn4(int a, int b, int c, int d)
+{
+
+ a *= 40;
+ b += 30;
+ c -= 20;
+ d /= 10;
+
+ return a + b * c - d;
+}
+
+ATF_TC(io_read_i1);
+ATF_TC_HEAD(io_read_i1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_READ_I and len = sizeof(uint8_t)");
+}
+
+ATF_TC_BODY(io_read_i1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint8_t lookup_me = 0;
+ uint8_t magic;
+ memcpy(&magic, dummy_fn1, sizeof(magic));
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_READ_I,
+ .piod_offs = dummy_fn1,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %" PRIx8 " != expected %" PRIx8, lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_read_i2);
+ATF_TC_HEAD(io_read_i2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_READ_I and len = sizeof(uint16_t)");
+}
+
+ATF_TC_BODY(io_read_i2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint16_t lookup_me = 0;
+ uint16_t magic;
+ memcpy(&magic, dummy_fn1, sizeof(magic));
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_READ_I,
+ .piod_offs = dummy_fn1,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %" PRIx16 " != expected %" PRIx16, lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_read_i3);
+ATF_TC_HEAD(io_read_i3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_READ_I and len = sizeof(uint32_t)");
+}
+
+ATF_TC_BODY(io_read_i3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint32_t lookup_me = 0;
+ uint32_t magic;
+ memcpy(&magic, dummy_fn1, sizeof(magic));
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_READ_I,
+ .piod_offs = dummy_fn1,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %" PRIx32 " != expected %" PRIx32, lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(io_read_i4);
+ATF_TC_HEAD(io_read_i4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_IO with PIOD_READ_I and len = sizeof(uint64_t)");
+}
+
+ATF_TC_BODY(io_read_i4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ uint64_t lookup_me = 0;
+ uint64_t magic;
+ memcpy(&magic, dummy_fn1, sizeof(magic));
+ struct ptrace_io_desc io = {
+ .piod_op = PIOD_READ_I,
+ .piod_offs = dummy_fn1,
+ .piod_addr = &lookup_me,
+ .piod_len = sizeof(lookup_me)
+ };
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %" PRIx64 " != expected %" PRIx64, lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_i1);
+ATF_TC_HEAD(read_i1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_I called once");
+}
+
+ATF_TC_BODY(read_i1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me = 0;
+ int magic;
+ memcpy(&magic, dummy_fn1, sizeof(magic));
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read new lookup_me from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me = ptrace(PT_READ_I, child, dummy_fn1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me, magic,
+ "got value %#x != expected %#x", lookup_me, magic);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_i2);
+ATF_TC_HEAD(read_i2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_I called twice");
+}
+
+ATF_TC_BODY(read_i2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ int magic1;
+ int magic2;
+ memcpy(&magic1, dummy_fn1, sizeof(magic1));
+ memcpy(&magic2, dummy_fn2, sizeof(magic2));
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read new lookup_me1 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me1 = ptrace(PT_READ_I, child, dummy_fn1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me1, magic1,
+ "got value %#x != expected %#x", lookup_me1, magic1);
+
+ printf("Read new lookup_me2 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me2 = ptrace(PT_READ_I, child, dummy_fn2, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me2, magic2,
+ "got value %#x != expected %#x", lookup_me2, magic2);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_i3);
+ATF_TC_HEAD(read_i3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_I called three times");
+}
+
+ATF_TC_BODY(read_i3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ int lookup_me3 = 0;
+ int magic1;
+ int magic2;
+ int magic3;
+ memcpy(&magic1, dummy_fn1, sizeof(magic1));
+ memcpy(&magic2, dummy_fn2, sizeof(magic2));
+ memcpy(&magic3, dummy_fn3, sizeof(magic3));
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read new lookup_me1 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me1 = ptrace(PT_READ_I, child, dummy_fn1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me1, magic1,
+ "got value %#x != expected %#x", lookup_me1, magic1);
+
+ printf("Read new lookup_me2 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me2 = ptrace(PT_READ_I, child, dummy_fn2, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me2, magic2,
+ "got value %#x != expected %#x", lookup_me2, magic2);
+
+ printf("Read new lookup_me3 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me3 = ptrace(PT_READ_I, child, dummy_fn3, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me3, magic3,
+ "got value %#x != expected %#x", lookup_me3, magic3);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(read_i4);
+ATF_TC_HEAD(read_i4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_READ_I called four times");
+}
+
+ATF_TC_BODY(read_i4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+ int lookup_me1 = 0;
+ int lookup_me2 = 0;
+ int lookup_me3 = 0;
+ int lookup_me4 = 0;
+ int magic1;
+ int magic2;
+ int magic3;
+ int magic4;
+ memcpy(&magic1, dummy_fn1, sizeof(magic1));
+ memcpy(&magic2, dummy_fn2, sizeof(magic2));
+ memcpy(&magic3, dummy_fn3, sizeof(magic3));
+ memcpy(&magic4, dummy_fn4, sizeof(magic4));
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Read new lookup_me1 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me1 = ptrace(PT_READ_I, child, dummy_fn1, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me1, magic1,
+ "got value %#x != expected %#x", lookup_me1, magic1);
+
+ printf("Read new lookup_me2 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me2 = ptrace(PT_READ_I, child, dummy_fn2, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me2, magic2,
+ "got value %#x != expected %#x", lookup_me2, magic2);
+
+ printf("Read new lookup_me3 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me3 = ptrace(PT_READ_I, child, dummy_fn3, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me3, magic3,
+ "got value %#x != expected %#x", lookup_me3, magic3);
+
+ printf("Read new lookup_me4 from tracee (PID=%d) by tracer (PID=%d)\n",
+ child, getpid());
+ errno = 0;
+ lookup_me4 = ptrace(PT_READ_I, child, dummy_fn4, 0);
+ ATF_REQUIRE_EQ(errno, 0);
+
+ ATF_REQUIRE_EQ_MSG(lookup_me4, magic4,
+ "got value %#x != expected %#x", lookup_me4, magic4);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+#if defined(HAVE_GPREGS)
+ATF_TC(regs1);
+ATF_TC_HEAD(regs1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify plain PT_GETREGS call without further steps");
+}
+
+ATF_TC_BODY(regs1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct reg r;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Call GETREGS for the child process\n");
+ ATF_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(HAVE_GPREGS)
+ATF_TC(regs2);
+ATF_TC_HEAD(regs2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify plain PT_GETREGS call and retrieve PC");
+}
+
+ATF_TC_BODY(regs2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct reg r;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Call GETREGS for the child process\n");
+ ATF_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1);
+
+ printf("Retrieved PC=%" PRIxREGISTER "\n", PTRACE_REG_PC(&r));
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(HAVE_GPREGS)
+ATF_TC(regs3);
+ATF_TC_HEAD(regs3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify plain PT_GETREGS call and retrieve SP");
+}
+
+ATF_TC_BODY(regs3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct reg r;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Call GETREGS for the child process\n");
+ ATF_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1);
+
+ printf("Retrieved SP=%" PRIxREGISTER "\n", PTRACE_REG_SP(&r));
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(HAVE_GPREGS)
+ATF_TC(regs4);
+ATF_TC_HEAD(regs4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify plain PT_GETREGS call and retrieve INTRV");
+}
+
+ATF_TC_BODY(regs4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct reg r;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Call GETREGS for the child process\n");
+ ATF_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1);
+
+ printf("Retrieved INTRV=%" PRIxREGISTER "\n", PTRACE_REG_INTRV(&r));
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(HAVE_GPREGS)
+ATF_TC(regs5);
+ATF_TC_HEAD(regs5, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_GETREGS and PT_SETREGS calls without changing regs");
+}
+
+ATF_TC_BODY(regs5, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct reg r;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Call GETREGS for the child process\n");
+ ATF_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1);
+
+ printf("Call SETREGS for the child process (without changed regs)\n");
+ ATF_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(HAVE_FPREGS)
+ATF_TC(fpregs1);
+ATF_TC_HEAD(fpregs1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify plain PT_GETFPREGS call without further steps");
+}
+
+ATF_TC_BODY(fpregs1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct fpreg r;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Call GETFPREGS for the child process\n");
+ ATF_REQUIRE(ptrace(PT_GETFPREGS, child, &r, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(HAVE_FPREGS)
+ATF_TC(fpregs2);
+ATF_TC_HEAD(fpregs2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_GETFPREGS and PT_SETFPREGS calls without changing "
+ "regs");
+}
+
+ATF_TC_BODY(fpregs2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct fpreg r;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Call GETFPREGS for the child process\n");
+ ATF_REQUIRE(ptrace(PT_GETFPREGS, child, &r, 0) != -1);
+
+ printf("Call SETFPREGS for the child (without changed regs)\n");
+ ATF_REQUIRE(ptrace(PT_SETFPREGS, child, &r, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(PT_STEP)
+ATF_TC(step1);
+ATF_TC_HEAD(step1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify single PT_STEP call");
+}
+
+ATF_TC_BODY(step1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ int happy;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ happy = check_happy(100);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(happy, check_happy(100));
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent (use PT_STEP)\n");
+ ATF_REQUIRE(ptrace(PT_STEP, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(PT_STEP)
+ATF_TC(step2);
+ATF_TC_HEAD(step2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_STEP called twice");
+}
+
+ATF_TC_BODY(step2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ int happy;
+ int N = 2;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ happy = check_happy(999);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(happy, check_happy(999));
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ while (N --> 0) {
+ printf("Before resuming the child process where it left off "
+ "and without signal to be sent (use PT_STEP)\n");
+ ATF_REQUIRE(ptrace(PT_STEP, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0),
+ child);
+
+ validate_status_stopped(status, SIGTRAP);
+ }
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(PT_STEP)
+ATF_TC(step3);
+ATF_TC_HEAD(step3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_STEP called three times");
+}
+
+ATF_TC_BODY(step3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ int happy;
+ int N = 3;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ happy = check_happy(999);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(happy, check_happy(999));
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ while (N --> 0) {
+ printf("Before resuming the child process where it left off "
+ "and without signal to be sent (use PT_STEP)\n");
+ ATF_REQUIRE(ptrace(PT_STEP, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0),
+ child);
+
+ validate_status_stopped(status, SIGTRAP);
+ }
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(PT_STEP)
+ATF_TC(step4);
+ATF_TC_HEAD(step4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_STEP called four times");
+}
+
+ATF_TC_BODY(step4, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ int happy;
+ int N = 4;
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ happy = check_happy(999);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(happy, check_happy(999));
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ while (N --> 0) {
+ printf("Before resuming the child process where it left off "
+ "and without signal to be sent (use PT_STEP)\n");
+ ATF_REQUIRE(ptrace(PT_STEP, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0),
+ child);
+
+ validate_status_stopped(status, SIGTRAP);
+ }
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+ATF_TC(kill1);
+ATF_TC_HEAD(kill1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that PT_CONTINUE with SIGKILL terminates child");
+}
+
+ATF_TC_BODY(kill1, tc)
+{
+ const int sigval = SIGSTOP, sigsent = SIGKILL;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ /* NOTREACHED */
+ FORKEE_ASSERTX(0 &&
+ "Child should be terminated by a signal from its parent");
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, sigsent) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_signaled(status, sigsent, 0);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(kill2);
+ATF_TC_HEAD(kill2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that PT_KILL terminates child");
+}
+
+ATF_TC_BODY(kill2, tc)
+{
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ /* NOTREACHED */
+ FORKEE_ASSERTX(0 &&
+ "Child should be terminated by a signal from its parent");
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_KILL, child, (void*)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_signaled(status, SIGKILL, 0);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(lwpinfo1);
+ATF_TC_HEAD(lwpinfo1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify basic LWPINFO call for single thread (PT_TRACE_ME)");
+}
+
+ATF_TC_BODY(lwpinfo1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct ptrace_lwpinfo info = {0, 0};
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before calling ptrace(2) with PT_LWPINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_LWPINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Assert that there exists a thread\n");
+ ATF_REQUIRE(info.pl_lwpid > 0);
+
+ printf("Assert that lwp thread %d received event PL_EVENT_SIGNAL\n",
+ info.pl_lwpid);
+ ATF_REQUIRE_EQ_MSG(info.pl_event, PL_EVENT_SIGNAL,
+ "Received event %d != expected event %d",
+ info.pl_event, PL_EVENT_SIGNAL);
+
+ printf("Before calling ptrace(2) with PT_LWPINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_LWPINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Assert that there are no more lwp threads in child\n");
+ ATF_REQUIRE_EQ(info.pl_lwpid, 0);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+#if defined(TWAIT_HAVE_PID)
+ATF_TC(lwpinfo2);
+ATF_TC_HEAD(lwpinfo2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify basic LWPINFO call for single thread (PT_ATTACH from "
+ "tracer)");
+}
+
+ATF_TC_BODY(lwpinfo2, tc)
+{
+ struct msg_fds parent_tracee, parent_tracer;
+ const int exitval_tracee = 5;
+ const int exitval_tracer = 10;
+ pid_t tracee, tracer, wpid;
+ uint8_t msg = 0xde; /* dummy message for IPC based on pipe(2) */
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct ptrace_lwpinfo info = {0, 0};
+
+ printf("Spawn tracee\n");
+ ATF_REQUIRE(msg_open(&parent_tracee) == 0);
+ ATF_REQUIRE(msg_open(&parent_tracer) == 0);
+ tracee = atf_utils_fork();
+ if (tracee == 0) {
+
+ /* Wait for message from the parent */
+ CHILD_TO_PARENT("tracee ready", parent_tracee, msg);
+ CHILD_FROM_PARENT("tracee exit", parent_tracee, msg);
+
+ _exit(exitval_tracee);
+ }
+ PARENT_FROM_CHILD("tracee ready", parent_tracee, msg);
+
+ printf("Spawn debugger\n");
+ tracer = atf_utils_fork();
+ if (tracer == 0) {
+ /* No IPC to communicate with the child */
+ printf("Before calling PT_ATTACH from tracee %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_ATTACH, tracee, NULL, 0) != -1);
+
+ /* Wait for tracee and assert that it was stopped w/ SIGSTOP */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_stopped(status, SIGSTOP);
+
+ printf("Before calling ptrace(2) with PT_LWPINFO for child\n");
+ FORKEE_ASSERT(ptrace(PT_LWPINFO, tracee, &info, sizeof(info))
+ != -1);
+
+ printf("Assert that there exists a thread\n");
+ FORKEE_ASSERTX(info.pl_lwpid > 0);
+
+ printf("Assert that lwp thread %d received event "
+ "PL_EVENT_SIGNAL\n", info.pl_lwpid);
+ FORKEE_ASSERT_EQ(info.pl_event, PL_EVENT_SIGNAL);
+
+ printf("Before calling ptrace(2) with PT_LWPINFO for child\n");
+ FORKEE_ASSERT(ptrace(PT_LWPINFO, tracee, &info, sizeof(info))
+ != -1);
+
+ printf("Assert that there are no more lwp threads in child\n");
+ FORKEE_ASSERTX(info.pl_lwpid == 0);
+
+ /* Resume tracee with PT_CONTINUE */
+ FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
+
+ /* Inform parent that tracer has attached to tracee */
+ CHILD_TO_PARENT("tracer ready", parent_tracer, msg);
+ /* Wait for parent */
+ CHILD_FROM_PARENT("tracer wait", parent_tracer, msg);
+
+ /* Wait for tracee and assert that it exited */
+ FORKEE_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
+
+ forkee_status_exited(status, exitval_tracee);
+
+ printf("Before exiting of the tracer process\n");
+ _exit(exitval_tracer);
+ }
+
+ printf("Wait for the tracer to attach to the tracee\n");
+ PARENT_FROM_CHILD("tracer ready", parent_tracer, msg);
+
+ printf("Resume the tracee and let it exit\n");
+ PARENT_TO_CHILD("tracee exit", parent_tracee, msg);
+
+ printf("Detect that tracee is zombie\n");
+ await_zombie(tracee);
+
+ printf("Assert that there is no status about tracee - "
+ "Tracer must detect zombie first - calling %s()\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(tracee, &status, WNOHANG), 0);
+
+ printf("Resume the tracer and let it detect exited tracee\n");
+ PARENT_TO_CHILD("tracer wait", parent_tracer, msg);
+
+ printf("Wait for tracer to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracer, &status, 0),
+ tracer);
+
+ validate_status_exited(status, exitval_tracer);
+
+ printf("Wait for tracee to finish its job and exit - calling %s()\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(tracee, &status, WNOHANG),
+ tracee);
+
+ validate_status_exited(status, exitval_tracee);
+
+ msg_close(&parent_tracer);
+ msg_close(&parent_tracee);
+}
+#endif
+
+ATF_TC(siginfo1);
+ATF_TC_HEAD(siginfo1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify basic PT_GET_SIGINFO call for SIGTRAP from tracee");
+}
+
+ATF_TC_BODY(siginfo1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGTRAP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct ptrace_siginfo info;
+ memset(&info, 0, sizeof(info));
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
+ printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
+ info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
+ info.psi_siginfo.si_errno);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(siginfo2);
+ATF_TC_HEAD(siginfo2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify basic PT_GET_SIGINFO and PT_SET_SIGINFO calls without "
+ "modification of SIGINT from tracee");
+}
+
+static int siginfo2_caught = 0;
+
+static void
+siginfo2_sighandler(int sig)
+{
+ FORKEE_ASSERT_EQ(sig, SIGINT);
+
+ ++siginfo2_caught;
+}
+
+ATF_TC_BODY(siginfo2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGINT;
+ pid_t child, wpid;
+ struct sigaction sa;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct ptrace_siginfo info;
+ memset(&info, 0, sizeof(info));
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ sa.sa_handler = siginfo2_sighandler;
+ sa.sa_flags = SA_SIGINFO;
+ sigemptyset(&sa.sa_mask);
+
+ FORKEE_ASSERT(sigaction(sigval, &sa, NULL) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(siginfo2_caught, 1);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
+ printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
+ info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
+ info.psi_siginfo.si_errno);
+
+ printf("Before calling ptrace(2) with PT_SET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_SET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, sigval) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(siginfo3);
+ATF_TC_HEAD(siginfo3, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify basic PT_GET_SIGINFO and PT_SET_SIGINFO calls with "
+ "setting signal to new value");
+}
+
+static int siginfo3_caught = 0;
+
+static void
+siginfo3_sigaction(int sig, siginfo_t *info, void *ctx)
+{
+ FORKEE_ASSERT_EQ(sig, SIGTRAP);
+
+ FORKEE_ASSERT_EQ(info->si_signo, SIGTRAP);
+ FORKEE_ASSERT_EQ(info->si_code, TRAP_BRKPT);
+
+ ++siginfo3_caught;
+}
+
+ATF_TC_BODY(siginfo3, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGINT;
+ const int sigfaked = SIGTRAP;
+ const int sicodefaked = TRAP_BRKPT;
+ pid_t child, wpid;
+ struct sigaction sa;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct ptrace_siginfo info;
+ memset(&info, 0, sizeof(info));
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ sa.sa_sigaction = siginfo3_sigaction;
+ sa.sa_flags = SA_SIGINFO;
+ sigemptyset(&sa.sa_mask);
+
+ FORKEE_ASSERT(sigaction(sigfaked, &sa, NULL) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(siginfo3_caught, 1);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
+ printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
+ info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
+ info.psi_siginfo.si_errno);
+
+ printf("Before setting new faked signal to signo=%d si_code=%d\n",
+ sigfaked, sicodefaked);
+ info.psi_siginfo.si_signo = sigfaked;
+ info.psi_siginfo.si_code = sicodefaked;
+
+ printf("Before calling ptrace(2) with PT_SET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_SET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Before checking siginfo_t\n");
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigfaked);
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_code, sicodefaked);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, sigfaked) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+ATF_TC(siginfo4);
+ATF_TC_HEAD(siginfo4, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Detect SIGTRAP TRAP_EXEC from tracee");
+}
+
+ATF_TC_BODY(siginfo4, tc)
+{
+ const int sigval = SIGTRAP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+
+ struct ptrace_siginfo info;
+ memset(&info, 0, sizeof(info));
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before calling execve(2) from child\n");
+ execlp("/bin/echo", "/bin/echo", NULL);
+
+ FORKEE_ASSERT(0 && "Not reached");
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
+ printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
+ info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
+ info.psi_siginfo.si_errno);
+
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_EXEC);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+
+#if defined(TWAIT_HAVE_PID)
+ATF_TC(siginfo5);
+ATF_TC_HEAD(siginfo5, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify that fork(2) is intercepted by ptrace(2) with EVENT_MASK "
+ "set to PTRACE_FORK and reports correct signal information");
+}
+
+ATF_TC_BODY(siginfo5, tc)
+{
+ const int exitval = 5;
+ const int exitval2 = 15;
+ const int sigval = SIGSTOP;
+ pid_t child, child2, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ ptrace_state_t state;
+ const int slen = sizeof(state);
+ ptrace_event_t event;
+ const int elen = sizeof(event);
+ struct ptrace_siginfo info;
+
+ memset(&info, 0, sizeof(info));
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT((child2 = fork()) != 1);
+
+ if (child2 == 0)
+ _exit(exitval2);
+
+ FORKEE_REQUIRE_SUCCESS
+ (wpid = TWAIT_GENERIC(child2, &status, 0), child2);
+
+ forkee_status_exited(status, exitval2);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Before checking siginfo_t\n");
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_code, SI_LWP);
+
+ printf("Enable PTRACE_FORK in EVENT_MASK for the child %d\n", child);
+ event.pe_set_event = PTRACE_FORK;
+ ATF_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child %d\n", TWAIT_FNAME, child);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Before checking siginfo_t\n");
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_CHLD);
+
+ ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1);
+ ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_FORK);
+
+ child2 = state.pe_other_pid;
+ printf("Reported PTRACE_FORK event with forkee %d\n", child2);
+
+ printf("Before calling %s() for the forkee %d of the child %d\n",
+ TWAIT_FNAME, child2, child);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0),
+ child2);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Before checking siginfo_t\n");
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_CHLD);
+
+ ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1);
+ ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_FORK);
+ ATF_REQUIRE_EQ(state.pe_other_pid, child);
+
+ printf("Before resuming the forkee process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child2, (void *)1, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the forkee - expected exited\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0),
+ child2);
+
+ validate_status_exited(status, exitval2);
+
+ printf("Before calling %s() for the forkee - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD,
+ wpid = TWAIT_GENERIC(child2, &status, 0));
+
+ printf("Before calling %s() for the child - expected stopped "
+ "SIGCHLD\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGCHLD);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Before checking siginfo_t\n");
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGCHLD);
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_code, CLD_EXITED);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child - expected exited\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child - expected no process\n",
+ TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(PT_STEP)
+ATF_TC(siginfo6);
+ATF_TC_HEAD(siginfo6, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify single PT_STEP call with signal information check");
+}
+
+ATF_TC_BODY(siginfo6, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ int happy;
+ struct ptrace_siginfo info;
+
+ memset(&info, 0, sizeof(info));
+
+ printf("Before forking process PID=%d\n", getpid());
+ ATF_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ happy = check_happy(100);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ FORKEE_ASSERT_EQ(happy, check_happy(100));
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Before checking siginfo_t\n");
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_code, SI_LWP);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent (use PT_STEP)\n");
+ ATF_REQUIRE(ptrace(PT_STEP, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, SIGTRAP);
+
+ printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+ ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+ printf("Before checking siginfo_t\n");
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
+ ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_TRACE);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+ATF_TP_ADD_TCS(tp)
+{
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setvbuf(stderr, NULL, _IONBF, 0);
+ ATF_TP_ADD_TC(tp, traceme1);
+ ATF_TP_ADD_TC(tp, traceme2);
+ ATF_TP_ADD_TC(tp, traceme3);
+ ATF_TP_ADD_TC(tp, traceme4);
+
+ ATF_TP_ADD_TC_HAVE_PID(tp, attach1);
+ ATF_TP_ADD_TC_HAVE_PID(tp, attach2);
+ ATF_TP_ADD_TC(tp, attach3);
+ ATF_TP_ADD_TC(tp, attach4);
+ ATF_TP_ADD_TC_HAVE_PID(tp, attach5);
+ ATF_TP_ADD_TC_HAVE_PID(tp, attach6);
+ ATF_TP_ADD_TC_HAVE_PID(tp, attach7);
+
+ ATF_TP_ADD_TC(tp, eventmask1);
+ ATF_TP_ADD_TC(tp, eventmask2);
+
+ ATF_TP_ADD_TC_HAVE_PID(tp, fork1);
+ ATF_TP_ADD_TC(tp, fork2);
+
+ ATF_TP_ADD_TC_HAVE_PID(tp, vfork1);
+ ATF_TP_ADD_TC(tp, vfork2);
+
+ ATF_TP_ADD_TC(tp, io_read_d1);
+ ATF_TP_ADD_TC(tp, io_read_d2);
+ ATF_TP_ADD_TC(tp, io_read_d3);
+ ATF_TP_ADD_TC(tp, io_read_d4);
+
+ ATF_TP_ADD_TC(tp, io_write_d1);
+ ATF_TP_ADD_TC(tp, io_write_d2);
+ ATF_TP_ADD_TC(tp, io_write_d3);
+ ATF_TP_ADD_TC(tp, io_write_d4);
+
+ ATF_TP_ADD_TC(tp, read_d1);
+ ATF_TP_ADD_TC(tp, read_d2);
+ ATF_TP_ADD_TC(tp, read_d3);
+ ATF_TP_ADD_TC(tp, read_d4);
+
+ ATF_TP_ADD_TC(tp, write_d1);
+ ATF_TP_ADD_TC(tp, write_d2);
+ ATF_TP_ADD_TC(tp, write_d3);
+ ATF_TP_ADD_TC(tp, write_d4);
+
+ ATF_TP_ADD_TC(tp, io_read_d_write_d_handshake1);
+ ATF_TP_ADD_TC(tp, io_read_d_write_d_handshake2);
+
+ ATF_TP_ADD_TC(tp, read_d_write_d_handshake1);
+ ATF_TP_ADD_TC(tp, read_d_write_d_handshake2);
+
+ ATF_TP_ADD_TC(tp, io_read_i1);
+ ATF_TP_ADD_TC(tp, io_read_i2);
+ ATF_TP_ADD_TC(tp, io_read_i3);
+ ATF_TP_ADD_TC(tp, io_read_i4);
+
+ ATF_TP_ADD_TC(tp, read_i1);
+ ATF_TP_ADD_TC(tp, read_i2);
+ ATF_TP_ADD_TC(tp, read_i3);
+ ATF_TP_ADD_TC(tp, read_i4);
+
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs1);
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs2);
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs3);
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs4);
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs5);
+
+ ATF_TP_ADD_TC_HAVE_FPREGS(tp, fpregs1);
+ ATF_TP_ADD_TC_HAVE_FPREGS(tp, fpregs2);
+
+ ATF_TP_ADD_TC_PT_STEP(tp, step1);
+ ATF_TP_ADD_TC_PT_STEP(tp, step2);
+ ATF_TP_ADD_TC_PT_STEP(tp, step3);
+ ATF_TP_ADD_TC_PT_STEP(tp, step4);
+
+ ATF_TP_ADD_TC(tp, kill1);
+ ATF_TP_ADD_TC(tp, kill2);
+
+ ATF_TP_ADD_TC(tp, lwpinfo1);
+ ATF_TP_ADD_TC_HAVE_PID(tp, lwpinfo2);
+
+ ATF_TP_ADD_TC(tp, siginfo1);
+ ATF_TP_ADD_TC(tp, siginfo2);
+ ATF_TP_ADD_TC(tp, siginfo3);
+ ATF_TP_ADD_TC(tp, siginfo4);
+ ATF_TP_ADD_TC_HAVE_PID(tp, siginfo5);
+ ATF_TP_ADD_TC_PT_STEP(tp, siginfo6);
+
+ return atf_no_error();
+}
OpenPOWER on IntegriCloud