问尝试从指针读取字节数组时JNA无效的内存访问

EN

Decompress with insz 11107, and outsize 65536
recieved 1
Decompression complete!
Decompress with insz 22112, and outsize 65536
recieved 1
Decompression complete!
Decompress with insz 22041, and outsize 65536
recieved 1
Decompression complete, final out size of 0!
Exception in thread "main" java.lang.Error: Invalid memory access
    at com.sun.jna.Native.read(Native Method)
    at com.sun.jna.Pointer.read(Pointer.java:149)
    at com.sun.jna.Pointer.getByteArray(Pointer.java:715)
    at me.TTARCHExtract.redo(TTARCHExtract.java:330)
    at me.TTARCHExtract.redo(TTARCHExtract.java:323)
    at me.TTARCHExtract.z_decompress(TTARCHExtract.java:313)

public static final Pointer toPointer(byte[] array, int length){
        Memory ret = new Memory(length);
        ret.write(0, array, 0, length);
        return ret;
    }
//code starts here
private byte[] z_decompress(byte[] in,int insize,byte[] out,int outsize) {
        if(in==null)return null;
        System.out.println("Decompress with insz "+insize+", and outsize "+outsize);
        Pointer inptr = toPointer(in, insize);
        Pointer outptr = toPointer(out, outsize);
        ZStream deflate = new ZStream();
        ZStream z = new ZStream();
        TTARCHHelper.load();
        ZlibLibrary lib = TTARCHHelper.ZLIB_LIBRARY;
        this.initz(lib, z, 15);
        this.initz(lib, deflate, -15);
        return this.redo(insize, outsize, z, lib, inptr, outptr, true, deflate);
    }

    private byte[] redo(int insize,int outsize,ZStream z,ZlibLibrary lib,Pointer inptr,Pointer outptr,boolean first,ZStream deflate) {
        lib.inflateReset(z);
        z.next_in=inptr;
        z.next_out=outptr;
        z.avail_in=insize;
        z.avail_out=outsize;
        int out = lib.inflate(z, ZlibLibrary.Z_FINISH);
        if(!first)System.out.println("recieved "+out);
        if(out != ZlibLibrary.Z_STREAM_END) {
            if(first)return this.redo(insize, outsize, deflate, lib, inptr, outptr, false, null);
            System.out.println("Compressed zlib/deflate input at offset "
                    + ""+dgboff+" ("+insize+" > "+outsize+") is wrong or complete");
            System.exit(-1);
            return null;
        }
        System.out.println("Decompression complete!");
        return z.next_out.getByteArray(0, outsize);
    }

private void initz(ZlibLibrary lib,ZStream z, int w) {
        lib.inflateInit2_(z, w, lib.zlibVersion(), z.size());
    }