The reason is that the content of lowerdir or upperdir is not synchronized with workdir.
Just clean the workdir will be ok.
mount
mount squashfs: Operation not permitted
Need recompile Linux kernel with squashfs support.
1 2 3 4 | CONFIG_SQUASHFS Location: -> File systems -> Miscellaneous filesystems (MISC_FILESYSTEMS [=y]) |
Or use user space cmd
1 | squashfuse ./sysrcd.dat sysrcd_dir |