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erofs-freebsd-out-tree/tests/TC082-system-namespace-subset.md
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2026-08-18 09:20:44 +02:00

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Test Case: FreeBSD system namespace subset

Test ID: TC082-system-namespace-subset Fixture: basic.erofs, /acl-unordered

Objective

Verify POSIX ACL exposure in FreeBSD namespace system and isolation from namespace user.

Manual steps

lsextattr system /mnt/repo22-g4/acl-unordered
getextattr -qq -x system posix_acl_access /mnt/repo22-g4/acl-unordered
getfacl -n /mnt/repo22-g4/acl-unordered
truss -o /tmp/tc082.truss getextattr -qq user posix_acl_access \
  /mnt/repo22-g4/acl-unordered
grep extattr_get_file /tmp/tc082.truss

Expected results

Raw ACL starts with little-endian version 2; getfacl shows named users 3002 then 2002. The user-namespace request returns ENOATTR (87). Clean up.