In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/bin/set_auth.sh line 31:

printf "Options Indexes FollowSymLinks

       ^-- SC2059 (info): Don't use variables in the printf format string. Use printf '..%s..' "$foo".

For more information:

  https://www.shellcheck.net/wiki/SC2059 -- Don't use variables in the printf...