378 linux_clone3_args_valid(struct l_user_clone_args *uca)  in linux_clone3_args_valid()  argument
382 	if ((uca->flags & ~(LINUX_CLONE_LEGACY_FLAGS |  in linux_clone3_args_valid()
385 	if ((uca->flags & (LINUX_CLONE_DETACHED | LINUX_CSIGNAL)) != 0)  in linux_clone3_args_valid()
388 	if ((uca->flags & (LINUX_CLONE_SIGHAND | LINUX_CLONE_CLEAR_SIGHAND)) ==  in linux_clone3_args_valid()
391 	if ((uca->flags & (LINUX_CLONE_THREAD | LINUX_CLONE_PARENT)) != 0 &&  in linux_clone3_args_valid()
392 	    uca->exit_signal != 0)  in linux_clone3_args_valid()
396 	if (uca->set_tid_size > LINUX_MAX_PID_NS_LEVEL)  in linux_clone3_args_valid()
398 	if (uca->set_tid == 0 && uca->set_tid_size > 0)  in linux_clone3_args_valid()
400 	if (uca->set_tid != 0 && uca->set_tid_size == 0)  in linux_clone3_args_valid()
403 	if (uca->stack == 0 && uca->stack_size > 0)  in linux_clone3_args_valid()
405 	if (uca->stack != 0 && uca->stack_size == 0)  in linux_clone3_args_valid()
409 	if ((uca->exit_signal & ~(uint64_t)LINUX_CSIGNAL) != 0)  in linux_clone3_args_valid()
413 	if ((uca->flags & LINUX_CLONE_NEWTIME) != 0) {  in linux_clone3_args_valid()
417 	if ((uca->flags & LINUX_CLONE_INTO_CGROUP) != 0) {  in linux_clone3_args_valid()
421 	if (uca->set_tid != 0 || uca->set_tid_size != 0) {  in linux_clone3_args_valid()
432 	struct l_user_clone_args *uca;  in linux_clone3()  local
447 	size = max(args->usize, sizeof(*uca));  in linux_clone3()
448 	uca = malloc(size, M_LINUX, M_WAITOK | M_ZERO);  in linux_clone3()
449 	error = copyin(args->uargs, uca, args->usize);  in linux_clone3()
452 	error = linux_clone3_args_valid(uca);  in linux_clone3()
456 	ca->flags = uca->flags;  in linux_clone3()
457 	ca->child_tid = PTRIN(uca->child_tid);  in linux_clone3()
458 	ca->parent_tid = PTRIN(uca->parent_tid);  in linux_clone3()
459 	ca->exit_signal = uca->exit_signal;  in linux_clone3()
460 	ca->stack = uca->stack + uca->stack_size;  in linux_clone3()
461 	ca->stack_size = uca->stack_size;  in linux_clone3()
462 	ca->tls = uca->tls;  in linux_clone3()
470 	free(uca, M_LINUX);  in linux_clone3()