In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/bin/addon-gkeyfileparser line 9:

	echo $1 >&

             ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

	echo "$1" >&2

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/bin/addon-gkeyfileparser line 24:

[ -f $file ] || fail "$file not found"

     ^---^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

[ -f "$file" ] || fail "$file not found"

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-50593792.squashfs_v4_le_extract/usr/bin/addon-gkeyfileparser line 43:

done < $file

       ^---^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

done < "$file"

For more information:

  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...