/usr/lib/R/site-library/cummeRbund/extdata/ is in r-bioc-cummerbund 2.20.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/R/site-library/cummeRbund/extdata/cds.count_tracking
/usr/lib/R/site-library/cummeRbund/extdata/cds.diff
/usr/lib/R/site-library/cummeRbund/extdata/cds.fpkm_tracking
/usr/lib/R/site-library/cummeRbund/extdata/cds.read_group_tracking
/usr/lib/R/site-library/cummeRbund/extdata/cds_exp.diff
/usr/lib/R/site-library/cummeRbund/extdata/chr1_snippet.gtf
/usr/lib/R/site-library/cummeRbund/extdata/cuffData_schema.sql
/usr/lib/R/site-library/cummeRbund/extdata/gene_exp.diff
/usr/lib/R/site-library/cummeRbund/extdata/genes.count_tracking
/usr/lib/R/site-library/cummeRbund/extdata/genes.fpkm_tracking
/usr/lib/R/site-library/cummeRbund/extdata/genes.read_group_tracking
/usr/lib/R/site-library/cummeRbund/extdata/isoform_exp.diff
/usr/lib/R/site-library/cummeRbund/extdata/isoforms.count_tracking
/usr/lib/R/site-library/cummeRbund/extdata/isoforms.fpkm_tracking
/usr/lib/R/site-library/cummeRbund/extdata/isoforms.read_group_tracking
/usr/lib/R/site-library/cummeRbund/extdata/promoters.diff
/usr/lib/R/site-library/cummeRbund/extdata/read_groups.info
/usr/lib/R/site-library/cummeRbund/extdata/run.info
/usr/lib/R/site-library/cummeRbund/extdata/splicing.diff
/usr/lib/R/site-library/cummeRbund/extdata/tss_group_exp.diff
/usr/lib/R/site-library/cummeRbund/extdata/tss_groups.count_tracking
/usr/lib/R/site-library/cummeRbund/extdata/tss_groups.fpkm_tracking
/usr/lib/R/site-library/cummeRbund/extdata/tss_groups.read_group_tracking