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These test suites try to check all edge cases for directory and file renaming or linking involving a new parent directory, with and without LANDLOCK_ACCESS_FS_REFER and other access rights. layout1: * reparent_refer: Tests simple FS_REFER usage. * reparent_link: Tests a mix of FS_MAKE_REG and FS_REFER with links. * reparent_rename: Tests a mix of FS_MAKE_REG and FS_REFER with renames and RENAME_EXCHANGE. * reparent_exdev_layers_rename1/2: Tests renames with two layers. * reparent_exdev_layers_exchange1/2/3: Tests exchanges with two layers. * reparent_remove: Tests file and directory removal with rename. * reparent_dom_superset: Tests access partial ordering. layout1_bind: * reparent_cross_mount: Tests FS_REFER propagation across mount points. Test coverage for security/landlock is 95.4% of 604 lines according to gcc/gcov-11. Cc: Paul Moore <paul@paul-moore.com> Signed-off-by: Mickaël Salaün <mic@digikod.net> Link: https://lore.kernel.org/r/20220506161102.525323-9-mic@digikod.net
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.