Public bug reported:
For Bionic release, current cifs-utils package version is 6.8-1. This
version is missing an ACL tools fix that is needed for Azure xSMB.
Commit in question which needs to be backported:
0feb1a80f3777f4c244b46958aa9f730de9e18b6 setcifsacl: fix adding ACE when
owner sid in unexpected location
[Impact]
* The bug shows up with mounted cifs/smb filesystem, when a user tries
to modify the DACL for the files/directories in the mount. If the
owner/group ACEs do not appear first in the DACL (happens quite easily
with Azure file shares). The setcifsacl command in cifs-utils fails in
that case:
$ setcifsacl -a ‘ACL:MYDOMAIN\domuser:DENIED/0x0/FULL’ /mnt/test/abc
main: setxattr error: Invalid argument
* With the fix available in commit
0feb1a80f3777f4c244b46958aa9f730de9e18b6, the above error is not
returned, and the command works.
** Affects: cifs-utils (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1886548
Title:
setcifsacl: fix adding ACE when owner sid in unexpected location
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