diff options
Diffstat (limited to 'contrib/netbsd-tests/kernel/t_ptrace_wait.c')
| -rw-r--r-- | contrib/netbsd-tests/kernel/t_ptrace_wait.c | 6700 |
1 files changed, 6700 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 000000000000..9d08c0e9648d --- /dev/null +++ b/contrib/netbsd-tests/kernel/t_ptrace_wait.c @@ -0,0 +1,6700 @@ +/* $NetBSD: t_ptrace_wait.c,v 1.69 2017/01/27 16:43:07 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 1.69 2017/01/27 16:43:07 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 <elf.h> +#include <err.h> +#include <errno.h> +#include <lwp.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)); +} + +ATF_TC(eventmask3); +ATF_TC_HEAD(eventmask3, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that PTRACE_VFORK in EVENT_MASK is preserved"); +} + +ATF_TC_BODY(eventmask3, 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); + + 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); + + 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_VFORK; + 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(eventmask4); +ATF_TC_HEAD(eventmask4, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that PTRACE_VFORK_DONE in EVENT_MASK is preserved"); +} + +ATF_TC_BODY(eventmask4, 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_VFORK_DONE; + 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(eventmask5); +ATF_TC_HEAD(eventmask5, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that PTRACE_LWP_CREATE in EVENT_MASK is preserved"); +} + +ATF_TC_BODY(eventmask5, 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_LWP_CREATE; + 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(eventmask6); +ATF_TC_HEAD(eventmask6, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that PTRACE_LWP_EXIT in EVENT_MASK is preserved"); +} + +ATF_TC_BODY(eventmask6, 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_LWP_EXIT; + 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); + + 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(vforkdone1); +ATF_TC_HEAD(vforkdone1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that vfork(2) is intercepted by ptrace(2) with EVENT_MASK " + "set to PTRACE_VFORK_DONE"); +} + +ATF_TC_BODY(vforkdone1, 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 = 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_DONE in EVENT_MASK for the child %d\n", + child); + event.pe_set_event = PTRACE_VFORK_DONE; + 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_DONE); + + child2 = state.pe_other_pid; + printf("Reported PTRACE_VFORK_DONE event with forkee %d\n", child2); + + 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(vforkdone2); +ATF_TC_HEAD(vforkdone2, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that vfork(2) is intercepted by ptrace(2) with EVENT_MASK " + "set to PTRACE_FORK | PTRACE_VFORK_DONE"); +} + +ATF_TC_BODY(vforkdone2, 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 = 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_FORK | PTRACE_VFORK_DONE; + 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_DONE); + + child2 = state.pe_other_pid; + printf("Reported PTRACE_VFORK_DONE event with forkee %d\n", child2); + + 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(io_read_auxv1); +ATF_TC_HEAD(io_read_auxv1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify PT_READ_AUXV called for tracee"); +} + +ATF_TC_BODY(io_read_auxv1, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + AuxInfo ai[100], *aip; + struct ptrace_io_desc io = { + .piod_op = PIOD_READ_AUXV, + .piod_offs = 0, + .piod_addr = ai, + .piod_len = sizeof(ai) + }; + + 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 AUXV from tracee (PID=%d) by tracer (PID=%d)\n", + child, getpid()); + ATF_REQUIRE(ptrace(PT_IO, child, &io, 0) != -1); + + printf("Asserting that AUXV length (%zu) is > 0\n", io.piod_len); + ATF_REQUIRE(io.piod_len > 0); + + for (aip = ai; aip->a_type != AT_NULL; aip++) + printf("a_type=%#llx a_v=%#llx\n", + (long long int)aip->a_type, (long long int)aip->a_v); + + 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 + +volatile lwpid_t the_lwp_id = 0; + +static void +lwp_main_func(void *arg) +{ + the_lwp_id = _lwp_self(); + _lwp_exit(); +} + +ATF_TC(lwp_create1); +ATF_TC_HEAD(lwp_create1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that 1 LWP creation is intercepted by ptrace(2) with " + "EVENT_MASK set to PTRACE_LWP_CREATE"); +} + +ATF_TC_BODY(lwp_create1, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + pid_t child, 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); + ucontext_t uc; + lwpid_t lid; + static const size_t ssize = 16*1024; + void *stack; + + 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 allocating memory for stack in child\n"); + FORKEE_ASSERT((stack = malloc(ssize)) != NULL); + + printf("Before making context for new lwp in child\n"); + _lwp_makecontext(&uc, lwp_main_func, NULL, NULL, stack, ssize); + + printf("Before creating new in child\n"); + FORKEE_ASSERT(_lwp_create(&uc, 0, &lid) == 0); + + printf("Before waiting for lwp %d to exit\n", lid); + FORKEE_ASSERT(_lwp_wait(lid, NULL) == 0); + + printf("Before verifying that reported %d and running lid %d " + "are the same\n", lid, the_lwp_id); + FORKEE_ASSERT_EQ(lid, the_lwp_id); + + 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 = PTRACE_LWP_CREATE; + 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 " + "SIGTRAP\n", TWAIT_FNAME); + 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_LWP_CREATE); + + lid = state.pe_lwp; + printf("Reported PTRACE_LWP_CREATE event with lid %d\n", lid); + + 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(lwp_exit1); +ATF_TC_HEAD(lwp_exit1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that 1 LWP creation is intercepted by ptrace(2) with " + "EVENT_MASK set to PTRACE_LWP_EXIT"); +} + +ATF_TC_BODY(lwp_exit1, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + pid_t child, 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); + ucontext_t uc; + lwpid_t lid; + static const size_t ssize = 16*1024; + void *stack; + + 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 allocating memory for stack in child\n"); + FORKEE_ASSERT((stack = malloc(ssize)) != NULL); + + printf("Before making context for new lwp in child\n"); + _lwp_makecontext(&uc, lwp_main_func, NULL, NULL, stack, ssize); + + printf("Before creating new in child\n"); + FORKEE_ASSERT(_lwp_create(&uc, 0, &lid) == 0); + + printf("Before waiting for lwp %d to exit\n", lid); + FORKEE_ASSERT(_lwp_wait(lid, NULL) == 0); + + printf("Before verifying that reported %d and running lid %d " + "are the same\n", lid, the_lwp_id); + FORKEE_ASSERT_EQ(lid, the_lwp_id); + + 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 = PTRACE_LWP_EXIT; + 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 " + "SIGTRAP\n", TWAIT_FNAME); + 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_LWP_EXIT); + + lid = state.pe_lwp; + printf("Reported PTRACE_LWP_EXIT event with lid %d\n", lid); + + 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(signal1); +ATF_TC_HEAD(signal1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking single unrelated signal does not stop tracer " + "from catching other signals"); +} + +ATF_TC_BODY(signal1, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + const int signotmasked = SIGINT; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before raising %s from child\n", + strsignal(signotmasked)); + FORKEE_ASSERT(raise(signotmasked) == 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, signotmasked); + + 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(signal2); +ATF_TC_HEAD(signal2, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee stops tracer from " + "catching this raised signal"); +} + +ATF_TC_BODY(signal2, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before raising %s breakpoint from child\n", + strsignal(sigmasked)); + FORKEE_ASSERT(raise(sigmasked) == 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(signal3); +ATF_TC_HEAD(signal3, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching software breakpoints"); +} + +ATF_TC_BODY(signal3, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before raising software breakpoint from child\n"); +#if defined(__x86_64__) + __asm__ __volatile__ ("int3\n;"); +#else + /* port me */ +#endif + + 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, sigmasked); + + 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(PT_STEP) +ATF_TC(signal4); +ATF_TC_HEAD(signal4, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching single step trap"); +} + +ATF_TC_BODY(signal4, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + int happy; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + 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\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, sigmasked); + + 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(signal5); +ATF_TC_HEAD(signal5, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching exec() breakpoint"); +} + +ATF_TC_BODY(signal5, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before calling execve(2) from child\n"); + execlp("/bin/echo", "/bin/echo", NULL); + + 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, sigmasked); + + 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(signal6); +ATF_TC_HEAD(signal6, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_FORK breakpoint"); +} + +ATF_TC_BODY(signal6, tc) +{ + const int exitval = 5; + const int exitval2 = 15; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, child2, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + 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\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + 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 child2\n", TWAIT_FNAME); + 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 + +#if defined(TWAIT_HAVE_PID) +ATF_TC(signal7); +ATF_TC_HEAD(signal7, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_VFORK breakpoint"); +} + +ATF_TC_BODY(signal7, tc) +{ + const int exitval = 5; + const int exitval2 = 15; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, child2, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + + atf_tc_expect_fail("PR kern/51918 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + 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_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\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + 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 child2\n", TWAIT_FNAME); + 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(signal8); +ATF_TC_HEAD(signal8, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_VFORK_DONE breakpoint"); +} + +ATF_TC_BODY(signal8, tc) +{ + const int exitval = 5; + const int exitval2 = 15; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, child2, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + 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_DONE in EVENT_MASK for the child %d\n", + child); + event.pe_set_event = PTRACE_VFORK_DONE; + 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\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); + ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK_DONE); + + child2 = state.pe_other_pid; + printf("Reported PTRACE_VFORK_DONE event with forkee %d\n", child2); + + 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(signal9); +ATF_TC_HEAD(signal9, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_LWP_CREATE breakpoint"); +} + +ATF_TC_BODY(signal9, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + ucontext_t uc; + lwpid_t lid; + static const size_t ssize = 16*1024; + void *stack; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before allocating memory for stack in child\n"); + FORKEE_ASSERT((stack = malloc(ssize)) != NULL); + + printf("Before making context for new lwp in child\n"); + _lwp_makecontext(&uc, lwp_main_func, NULL, NULL, stack, ssize); + + printf("Before creating new in child\n"); + FORKEE_ASSERT(_lwp_create(&uc, 0, &lid) == 0); + + printf("Before waiting for lwp %d to exit\n", lid); + FORKEE_ASSERT(_lwp_wait(lid, NULL) == 0); + + printf("Before verifying that reported %d and running lid %d " + "are the same\n", lid, the_lwp_id); + FORKEE_ASSERT_EQ(lid, the_lwp_id); + + 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 = PTRACE_LWP_CREATE; + 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 " + "SIGTRAP\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); + + ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_LWP_CREATE); + + lid = state.pe_lwp; + printf("Reported PTRACE_LWP_CREATE event with lid %d\n", lid); + + 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(signal10); +ATF_TC_HEAD(signal10, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that masking SIGTRAP in tracee does not stop tracer from " + "catching PTRACE_LWP_EXIT breakpoint"); +} + +ATF_TC_BODY(signal10, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + const int sigmasked = SIGTRAP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + sigset_t intmask; + ptrace_state_t state; + const int slen = sizeof(state); + ptrace_event_t event; + const int elen = sizeof(event); + ucontext_t uc; + lwpid_t lid; + static const size_t ssize = 16*1024; + void *stack; + + atf_tc_expect_fail("PR kern/51918"); + + 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); + + sigemptyset(&intmask); + sigaddset(&intmask, sigmasked); + sigprocmask(SIG_BLOCK, &intmask, NULL); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before allocating memory for stack in child\n"); + FORKEE_ASSERT((stack = malloc(ssize)) != NULL); + + printf("Before making context for new lwp in child\n"); + _lwp_makecontext(&uc, lwp_main_func, NULL, NULL, stack, ssize); + + printf("Before creating new in child\n"); + FORKEE_ASSERT(_lwp_create(&uc, 0, &lid) == 0); + + printf("Before waiting for lwp %d to exit\n", lid); + FORKEE_ASSERT(_lwp_wait(lid, NULL) == 0); + + printf("Before verifying that reported %d and running lid %d " + "are the same\n", lid, the_lwp_id); + FORKEE_ASSERT_EQ(lid, the_lwp_id); + + 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 = PTRACE_LWP_EXIT; + 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 " + "SIGTRAP\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigmasked); + + ATF_REQUIRE(ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1); + + ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_LWP_EXIT); + + lid = state.pe_lwp; + printf("Reported PTRACE_LWP_EXIT event with lid %d\n", lid); + + 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_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(tp, eventmask3); + ATF_TP_ADD_TC(tp, eventmask4); + ATF_TP_ADD_TC(tp, eventmask5); + ATF_TP_ADD_TC(tp, eventmask6); + + 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, vforkdone1); + ATF_TP_ADD_TC(tp, vforkdone2); + + 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(tp, io_read_auxv1); + + 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); + + ATF_TP_ADD_TC(tp, lwp_create1); + + ATF_TP_ADD_TC(tp, lwp_exit1); + + ATF_TP_ADD_TC(tp, signal1); + ATF_TP_ADD_TC(tp, signal2); + ATF_TP_ADD_TC(tp, signal3); + ATF_TP_ADD_TC_PT_STEP(tp, signal4); + ATF_TP_ADD_TC(tp, signal5); + ATF_TP_ADD_TC_HAVE_PID(tp, signal6); + ATF_TP_ADD_TC_HAVE_PID(tp, signal7); + ATF_TP_ADD_TC(tp, signal8); + ATF_TP_ADD_TC(tp, signal9); + ATF_TP_ADD_TC(tp, signal10); + + return atf_no_error(); +} |