AccessViolationException when trying to put managed data into glTexImage3D - visual-studio-2010

Question

I have an error when trying to read some data into an opengl Texture. My error is the following:
A first chance exception of type 'System.AccessViolationException' occurred in libCoin3D.dll
It happens when I call the function glTexImage3D in the below function. If I comment out that function, then the program runs fine, but I need to construct a texture from the int array I pass into the function.
GLuint TextureHandler::create3DTextureBonePreview(int* d, Vector3 length){
GLuint bindLocation;
glGenTextures(1, &bindLocation);
static_cast<char*>(static_cast<void*>(d));
int w=length.x;
int h=length.y;
int l=length.z;
glBindTexture(GL_TEXTURE_3D, bindLocation);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage3D(GL_TEXTURE_3D, 0,GL_RGBA,w, h, l, 0,GL_RGBA, GL_UNSIGNED_BYTE,d);
printf("Done creating texture\n");
return bindLocation;
}
I think it has to do with how I am handling the memory in int* d. This data starts out as just a regular int array in some C# code and is filled in shortly afterward.
int[] allDatint=new int[dataSize];
But from this C#, allDatint is passed to a Managed C++ constructor that takes it as an system array:
CallbackNode::CallbackNode(int w ,int h, int l, array<int>^ d)
In that constructor, it is converted to int* before it is passed to some unmanaged C++ code
cli::pin_ptr<int> pArrayElement = &d[0];
mCube=new MasterCube(w,h,l,pArrayElement);
The unmanaged C++ accepts it as an int*
MasterCube::MasterCube(int w,int h, int l, int* d)
And then passes it to the function above, converting it first to a char array to be accepted by glTexImage3D.
static_cast<char*>(static_cast<void*>(d));
What I have looked up about AccessViolationException leads me to believe that the data in 'int* d' is corrupt or not usable by glTexImage3D. Can someone tell me if there is a problem with how I am converting it among array/systemArray/int*/char* ? Or is it simply in the wrong format for opengl to understand it?

Answer 1

And then passes it to the function above, converting it first to a char array to be accepted by glTexImage3D.
static_cast<char*>(static_cast<void*>(d));
Where is the char *ptr to which the casted pointer is assigned to? Just putting a variable into a cast statement doesn't "convert" the variable.
As for your actual problem. I'm pretty sure that the value of the expression w * h * l * 4 exceeds the size of the actual array in bytes. Since you have only a naked pointer there, it's impossible to add a sanity check there.