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author | Mickaël Salaün <mic@digikod.net> | 2022-05-06 19:10:58 +0300 |
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committer | Mickaël Salaün <mic@digikod.net> | 2022-05-23 14:27:59 +0300 |
commit | f4056b9266b571c63f30cda70c2d89f7b7e8bb7b (patch) | |
tree | 5d4d878126f306b8cb64b212893f725a594f8b49 /samples/landlock/sandboxer.c | |
parent | b91c3e4ea756b12b7d992529226edce1cfd854d7 (diff) | |
download | linux-f4056b9266b571c63f30cda70c2d89f7b7e8bb7b.tar.xz |
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
Diffstat (limited to 'samples/landlock/sandboxer.c')
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