/usr/share/doc/libinnodb-dev/examples/ is in libinnodb-dev 1.0.6.6750-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libinnodb-dev/examples/Makefile.examples
/usr/share/doc/libinnodb-dev/examples/README
/usr/share/doc/libinnodb-dev/examples/ib_cfg.c
/usr/share/doc/libinnodb-dev/examples/ib_compressed.c
/usr/share/doc/libinnodb-dev/examples/ib_cursor.c
/usr/share/doc/libinnodb-dev/examples/ib_index.c
/usr/share/doc/libinnodb-dev/examples/ib_logger.c
/usr/share/doc/libinnodb-dev/examples/ib_mt_stress.c
/usr/share/doc/libinnodb-dev/examples/ib_search.c
/usr/share/doc/libinnodb-dev/examples/ib_status.c
/usr/share/doc/libinnodb-dev/examples/ib_test1.c
/usr/share/doc/libinnodb-dev/examples/ib_test2.c
/usr/share/doc/libinnodb-dev/examples/ib_test3.c
/usr/share/doc/libinnodb-dev/examples/ib_test5.c
/usr/share/doc/libinnodb-dev/examples/ib_types.c
/usr/share/doc/libinnodb-dev/examples/ib_update.c
/usr/share/doc/libinnodb-dev/examples/test0aux.c
/usr/share/doc/libinnodb-dev/examples/test0aux.h