selftests/seccomp/seccomp_bpf.c

209 	__u32 pid;
3274 	pid_t pid;
3288 	pid = fork();
3289 	ASSERT_GE(pid, 0);
3290 	if (pid == 0) {
3315 	ASSERT_EQ(0, ptrace(PTRACE_ATTACH, pid));
3316 	ASSERT_EQ(pid, waitpid(pid, NULL, 0));
3322 	ret = ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md);
3332 	ret = ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md);
3338 	ASSERT_EQ(0, kill(pid, SIGKILL));
3362 	pid_t pid;
3382 	pid = fork();
3383 	ASSERT_GE(pid, 0);
3386 	if (pid == 0) {
3393 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
3414 	pid = fork();
3415 	ASSERT_GE(pid, 0);
3417 	if (pid == 0) {
3430 	req.pid = -1;
3437 		req.pid = 0;
3461 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
3491 	pid_t pid;
3510 	pid = fork();
3511 	ASSERT_GE(pid, 0);
3513 	if (pid == 0) {
3521 	EXPECT_EQ(kill(pid, SIGKILL), 0);
3522 	EXPECT_EQ(waitpid(pid, NULL, 0), pid);
3542 	pid_t pid;
3560 	pid = fork();
3561 	ASSERT_GE(pid, 0);
3563 	if (pid == 0) {
3585 	EXPECT_EQ(kill(pid, SIGUSR1), 0);
3610 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
3617 	pid_t pid;
3633 	pid = fork();
3634 	ASSERT_GE(pid, 0);
3635 	if (pid == 0) {
3643 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
3649  * Check that a pid in a child namespace still shows up as valid in ours.
3653 	pid_t pid;
3667 	pid = fork();
3668 	ASSERT_GE(pid, 0);
3670 	if (pid == 0)
3674 	EXPECT_EQ(req.pid, pid);
3682 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
3689  * Check that a pid in a sibling (i.e. unrelated) namespace shows up as 0, i.e.
3694 	pid_t pid, pid2;
3707 	pid = fork();
3708 	ASSERT_GE(pid, 0);
3710 	if (pid == 0) {
3745 		 * The pid should be 0, i.e. the task is in some namespace that
3748 		EXPECT_EQ(req.pid, 0);
3760 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
3771 	pid_t pid;
3785 	pid = fork();
3786 	ASSERT_GE(pid, 0);
3788 	if (pid == 0)
3797 	EXPECT_EQ(req.pid, pid);
3805 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
3821 	pid_t pid;
3836 	pid = fork();
3837 	ASSERT_GE(pid, 0);
3839 	if (pid == 0) {
3895 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
3907 	pid_t pid;
3924 	pid = sys_clone3(&args, sizeof(args));
3925 	ASSERT_GE(pid, 0);
3927 	if (pid == 0) {
3942 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
3964 	pid_t pid;
3981 	pid = sys_clone3(&args, sizeof(args));
3982 	ASSERT_GE(pid, 0);
3984 	if (pid == 0) {
4031 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
4058 	pid_t pid;
4086 	pid = fork();
4087 	ASSERT_GE(pid, 0);
4089 	if (pid == 0) {
4141 	EXPECT_EQ(filecmp(getpid(), pid, memfd, fd), 0);
4155 	EXPECT_EQ(filecmp(getpid(), pid, memfd, fd), 0);
4188 	ASSERT_EQ(filecmp(getpid(), pid, memfd, fd), 0);
4211 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
4220 	pid_t pid;
4244 	pid = fork();
4245 	ASSERT_GE(pid, 0);
4247 	if (pid == 0)
4253 	ASSERT_EQ(prlimit(pid, RLIMIT_NOFILE, &lim, NULL), 0);
4281 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
4298 	pid_t pid;
4317 	pid = fork();
4318 	ASSERT_GE(pid, 0);
4319 	if (pid == 0) {
4327 	req.pid = 0;
4338 	ASSERT_EQ(waitpid(pid, &status, 0), pid);
4345 	pid_t pid;
4354 	self->pid = 0;
4366 	self->pid = fork();
4367 	ASSERT_GE(self->pid, 0);
4369 	if (self->pid == 0) {
4378 	if (self->pid)
4379 		kill(self->pid, SIGKILL);
4386 	ASSERT_EQ(0, ptrace(PTRACE_ATTACH, self->pid, NULL, 0));
4387 	ASSERT_EQ(self->pid, wait(&wstatus));
4388 	ASSERT_EQ(-1, ptrace(PTRACE_SETOPTIONS, self->pid, NULL, PTRACE_O_SUSPEND_SECCOMP));
4398 	ret = ptrace(PTRACE_SEIZE, self->pid, NULL, PTRACE_O_SUSPEND_SECCOMP);
4442 static char get_proc_stat(struct __test_metadata *_metadata, pid_t pid)
4448 	snprintf(proc_path, sizeof(proc_path), "/proc/%d/stat", pid);
4462 	pid_t pid, pids[3];
4478 	pid = fork();
4479 	ASSERT_GE(pid, 0);
4481 	if (pid == 0) {
4496 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
4502 		pid = fork();
4503 		if (pid == 0) {
4507 		pids[i] = pid;
4536 /* get_proc_syscall - Get the syscall in progress for a given pid
4541 static long get_proc_syscall(struct __test_metadata *_metadata, int pid)
4548 	snprintf(proc_path, sizeof(proc_path), "/proc/%d/syscall", pid);
4566 	pid_t pid;
4592 	pid = fork();
4593 	ASSERT_GE(pid, 0);
4595 	if (pid == 0) {
4614 	while (get_proc_syscall(_metadata, pid) != __NR_getppid &&
4615 	       get_proc_stat(_metadata, pid) != 'S')
4619 	EXPECT_EQ(kill(pid, SIGUSR1), 0);
4622 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
4638 	pid_t pid;
4659 	pid = fork();
4660 	ASSERT_GE(pid, 0);
4662 	if (pid == 0) {
4683 	EXPECT_EQ(kill(pid, SIGUSR1), 0);
4689 	while (get_proc_stat(_metadata, pid) != 'D')
4703 	EXPECT_EQ(waitpid(pid, &status, 0), pid);
4713 	pid_t pid;
4729 	pid = fork();
4730 	ASSERT_GE(pid, 0);
4732 	if (pid == 0) {
4738 	while (get_proc_stat(_metadata, pid) != 'S')
4747 	EXPECT_EQ(kill(pid, SIGTERM), 0);
4753 	EXPECT_EQ(waitpid(pid, &status, 0), pid);