Beispiel #1
0
static unsigned long fill_arg(struct syscallrecord *rec, unsigned int argnum)
{
	struct syscallentry *entry;
	unsigned int call;
	enum argtype argtype;

	call = rec->nr;
	entry = syscalls[call].entry;

	if (argnum > entry->num_args)
		return 0;

	argtype = get_argtype(entry, argnum);

	switch (argtype) {
	case ARG_UNDEFINED:
		if (RAND_BOOL())
			return (unsigned long) rand64();
		return (unsigned long) get_writable_address(page_size);

	case ARG_FD:
		if (RAND_BOOL()) {
			unsigned int i;
			/* If this is the 2nd or more ARG_FD, make it unique */
			for (i = 0; i < argnum; i++) {
				enum argtype arg;
				arg = get_argtype(entry, i);
				if (arg == ARG_FD)
					return get_new_random_fd();
			}
		}
		return get_random_fd();

	case ARG_LEN:
		return (unsigned long) get_len();

	case ARG_ADDRESS:
		return handle_arg_address(rec, argnum);

	case ARG_NON_NULL_ADDRESS:
		return (unsigned long) get_non_null_address();

	case ARG_MMAP:
		return (unsigned long) get_map();

	case ARG_PID:
		return (unsigned long) get_pid();

	case ARG_RANGE:
		return handle_arg_range(entry, argnum);

	case ARG_OP:	/* Like ARG_LIST, but just a single value. */
		return handle_arg_op(entry, argnum);

	case ARG_LIST:
		return handle_arg_list(entry, argnum);

	case ARG_CPU:
		return (unsigned long) get_cpu();

	case ARG_PATHNAME:
		return (unsigned long) generate_pathname();

	case ARG_IOVEC:
		return handle_arg_iovec(entry, rec, argnum);

	case ARG_IOVECLEN:
	case ARG_SOCKADDRLEN:
		/* We already set the len in the ARG_IOVEC/ARG_SOCKADDR case
		 * So here we just return what we had set there. */
		return get_argval(rec, argnum);

	case ARG_SOCKADDR:
		return handle_arg_sockaddr(entry, rec, argnum);

	case ARG_MODE_T:
		return handle_arg_mode_t();

	case ARG_SOCKETINFO:
		return (unsigned long) get_rand_socketinfo();
	}

	BUG("unreachable!\n");
}
Beispiel #2
0
static unsigned long fill_arg(struct syscallrecord *rec, unsigned int argnum)
{
	struct syscallentry *entry;
	unsigned int call;
	enum argtype argtype;

	call = rec->nr;
	entry = syscalls[call].entry;

	if (argnum > entry->num_args)
		return 0;

	argtype = get_argtype(entry, argnum);

	switch (argtype) {
	case ARG_UNDEFINED:
		return (unsigned long) rand64();

	case ARG_FD:
		return get_random_fd();

	case ARG_LEN:
		return (unsigned long) get_len();

	case ARG_ADDRESS:
		return handle_arg_address(rec, argnum);

	case ARG_NON_NULL_ADDRESS:
		return (unsigned long) get_non_null_address();

	case ARG_MMAP:
		return (unsigned long) get_map();

	case ARG_PID:
		return (unsigned long) get_pid();

	case ARG_RANGE:
		return handle_arg_range(entry, argnum);

	case ARG_OP:	/* Like ARG_LIST, but just a single value. */
		return handle_arg_op(entry, argnum);

	case ARG_LIST:
		return handle_arg_list(entry, argnum);

	case ARG_RANDPAGE:
		return handle_arg_randpage();

	case ARG_CPU:
		return (unsigned long) get_cpu();

	case ARG_PATHNAME:
		return (unsigned long) generate_pathname();

	case ARG_IOVEC:
		return handle_arg_iovec(entry, rec, argnum);

	case ARG_IOVECLEN:
	case ARG_SOCKADDRLEN:
		/* We already set the len in the ARG_IOVEC/ARG_SOCKADDR case
		 * So here we just return what we had set there. */
		return get_argval(rec, argnum);

	case ARG_SOCKADDR:
		return handle_arg_sockaddr(entry, rec, argnum);

	case ARG_MODE_T:
		return handle_arg_mode_t();
	}

	BUG("unreachable!\n");
}