ip_rfc1001_connect(struct TCP_Server_Info *server)
{
	int rc = 0;
	/*
	 * some servers require RFC1001 sessinit before sending
	 * negprot - BB check reconnection in case where second
	 * sessinit is sent but no second negprot
	 */
	struct rfc1002_session_packet *ses_init_buf;
	struct smb_hdr *smb_buf;
	ses_init_buf = kzalloc(sizeof(struct rfc1002_session_packet),
			       GFP_KERNEL);
	if (ses_init_buf) {
		ses_init_buf->trailer.session_req.called_len = 32;

		if (server->server_RFC1001_name &&
		    server->server_RFC1001_name[0] != 0)
			rfc1002mangle(ses_init_buf->trailer.
				      session_req.called_name,
				      server->server_RFC1001_name,
				      RFC1001_NAME_LEN_WITH_NULL);
		else
			rfc1002mangle(ses_init_buf->trailer.
				      session_req.called_name,
				      DEFAULT_CIFS_CALLED_NAME,
				      RFC1001_NAME_LEN_WITH_NULL);

		ses_init_buf->trailer.session_req.calling_len = 32;

		/*
		 * calling name ends in null (byte 16) from old smb
		 * convention.
		 */
		if (server->workstation_RFC1001_name &&
		    server->workstation_RFC1001_name[0] != 0)
			rfc1002mangle(ses_init_buf->trailer.
				      session_req.calling_name,
				      server->workstation_RFC1001_name,
				      RFC1001_NAME_LEN_WITH_NULL);
		else
			rfc1002mangle(ses_init_buf->trailer.
				      session_req.calling_name,
				      "LINUX_CIFS_CLNT",
				      RFC1001_NAME_LEN_WITH_NULL);

		ses_init_buf->trailer.session_req.scope1 = 0;
		ses_init_buf->trailer.session_req.scope2 = 0;
		smb_buf = (struct smb_hdr *)ses_init_buf;

		/* sizeof RFC1002_SESSION_REQUEST with no scope */
		smb_buf->smb_buf_length = cpu_to_be32(0x81000044);
		rc = smb_send(server, smb_buf, 0x44);
		kfree(ses_init_buf);
		/*
		 * RFC1001 layer in at least one server
		 * requires very short break before negprot
		 * presumably because not expecting negprot
		 * to follow so fast.  This is a simple
		 * solution that works without
		 * complicating the code and causes no
		 * significant slowing down on mount
		 * for everyone else
		 */
		usleep_range(1000, 2000);
	}
	/*
	 * else the negprot may still work without this
	 * even though malloc failed
	 */

	return rc;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.