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korg/linux

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selftests/landlock: Add hostfs tests Add tests for the hostfs filesystems to make sure it has a consistent inode management, which is required for Landlock's file hierarchy identification. This adds 5 new tests for layout3_fs with the hostfs variant. Add hostfs to the new (architecture-specific) config.um file. The hostfs filesystem, only available for an User-Mode Linux kernel, is special because we cannot explicitly mount it. The layout3_fs.hostfs variant tests are skipped if the current test directory is not backed by this filesystem. The layout3_fs.hostfs.tag_inode_dir_child and layout3_fs.hostfs.tag_inode_file tests pass thanks to a previous commit fixing hostfs inode management. Without this fix, the deny-by-default policy would apply and all access requests would be denied. Link: https://lore.kernel.org/r/20230612191430.339153-7-mic@digikod.net Signed-off-by: Mickaël Salaün <mic@digikod.net>

2023-06-13 03:14:30 +08:00

CONFIG_HOSTFS=y