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authorMickaël Salaün <mic@digikod.net>2022-05-06 18:10:58 +0200
committerMickaël Salaün <mic@digikod.net>2022-05-23 13:27:59 +0200
commitf4056b9266b571c63f30cda70c2d89f7b7e8bb7b (patch)
tree5d4d878126f306b8cb64b212893f725a594f8b49 /samples/landlock
parentb91c3e4ea756b12b7d992529226edce1cfd854d7 (diff)
downloadlinux-f4056b9266b571c63f30cda70c2d89f7b7e8bb7b.tar.bz2
selftests/landlock: Add 11 new test suites dedicated to file reparenting
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
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