func (msg *Bytemsg) Serialize() []byte {
	l := msg.Len()
	if l > math.MaxUint16 {
		// We cannot return nil nor an error here, so we panic with
		// a specific type instead, which is handled via recover in
		// bootstrapData.
		panic(netlinkError{fmt.Errorf("netlink: cannot serialize bytemsg of length %d (larger than UINT16_MAX)", l)})
	}
	buf := make([]byte, (l+unix.NLA_ALIGNTO-1) & ^(unix.NLA_ALIGNTO-1))
	native := nl.NativeEndian()
	native.PutUint16(buf[0:2], uint16(l))
	native.PutUint16(buf[2:4], msg.Type)
	copy(buf[4:], msg.Value)
	return buf
}
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.