Retesting with snapd 2.52+git658.g005f554-dirty (13328), mksquashfs is able to work as expected. I believe that when we are able to autopkgtest against a snap with that fix, that this problem will be resolved.
Retesting with snapd 2.52+git658. g005f554- dirty (13328), mksquashfs is able to work as expected. I believe that when we are able to autopkgtest against a snap with that fix, that this problem will be resolved.