Duplicate ACLs? - Can't copy file even with Admin permissions

[cygwin@kosowsky.org]

Corinna Vinschen wrote at about 20:19:42 +0100 on Tuesday, January 25, 2022:
 > On Jan 21 08:57, cygwin@kosowsky.org wrote:
 > > Hi Corinna,
 > > I found another file with ACLs that fail even under the new snapshot
 > > cygwin1.dll.
 > > 
 > > #getfacl setup.ilg
 > > # file: setup.ilg
 > > # owner: Administrators
 > > # group: None
 > > getfacl: setup.ilg: Invalid argument
 > > 
 > > #icacls.exe setup.ilg
 > > setup.ilg NT SERVICE\TrustedInstaller:(I)(F)
 > >           NT SERVICE\TrustedInstaller:(I)(CI)(IO)(F)
 > >           NT AUTHORITY\SYSTEM:(I)(F)
 > >           NT AUTHORITY\SYSTEM:(I)(OI)(CI)(IO)(F)
 > >           BUILTIN\Administrators:(I)(F)
 > >           BUILTIN\Administrators:(I)(OI)(CI)(IO)(F)
 > >           BUILTIN\Users:(I)(RX)
 > >           BUILTIN\Users:(I)(OI)(CI)(IO)(GR,GE)
 > >           CREATOR OWNER:(I)(OI)(CI)(IO)(F)
 > > 
 > > #icacls.exe setup.ilg /save setup.acl
 > > #cat setup.acl
 > > setup.ilg
 > > D:(A;ID;FA;;;S-1-5-80-956008885-3418522649-1831038044-1853292631-2271478464)(A;CIIOID;GA;;;S-1-5-80-956008885-3418522649-1831038044-1853292631-2271478464)(A;ID;FA;;;SY)(A;OICIIOID;GA;;;SY)(A;ID;FA;;;BA)(A;OICIIOID;GA;;;BA)(A;ID;0x1200a9;;;BU)(A;OICIIOID;GXGR;;;BU)(A;OICIIOID;GA;;;CO)
 > > 
 > > -------------
 > > Any thoughts on what might be wrong here?
 > 
 > Again, the permissions don't make sense.  However, that's no good reason
 > for Cygwin to bail out like this.  I found the culprit, the core function
 > was still setting a certain indicator value for default ACEs even on
 > files.  I pushed a patch and created new developer snapshots.
 > 

Thanks Corinna!
That fixed it -- and eliminates pesky 'rsync' errors that I was
encountering on my backup program.

Jeff