Memory error when cloning a tiff image

[ghost]

Hello,

One specific tiff image is crashing our code,
while it is working ok with any other images (other tiff images and other formats as well)

rogue image: https://www.dropbox.com/s/97jfpi2m9l2a7f1/a239jy.tif?dl=0

crashing code:

`
// if multiple images in collection take the one with alpha layer
if (magickImageCollection.Count > 1) {
image = (MagickImage)magickImageCollection.FirstOrDefault(x => x.HasAlpha);
}

// in case we didn't have a frame with alpha
if (image == null) {
image = (MagickImage)magickImageCollection.Flatten(new MagickColor(MagickColors.Transparent));
}

`

the magickImageCollection.Flatten is returning a weird image

It looks like this specific tiff has only one frame in the collection, and thus i added this code to extract the image

if (magickImageCollection.Count == 1) { image = (MagickImage)magickImageCollection.FirstOrDefault(); }

Can someone explain me what is happening there in the magickImageCollection.Flatten with this tiff ?

we use magickImageCollection.Flatten to extract all images,
without problem even when the collection has only one frame

Thanks,

Luc

[dlemstra]

Can you explain in more detail what kind of issue you have? I also cannot reproduce it.