/usr/bin/setfacl is broken in 3.7.0-0.127.g2029784e05d9

Mon Jun 16 09:17:33 GMT 2025

On 2025年6月13日 at 21:52, Brian Inglis via Cygwin <cygwin@cygwin.com> wrote:
>> On 2025年06月13日 06:09, Lionel Cons via Cygwin wrote:
> > /usr/bin/setfacl is broken in 3.7.0-0.127.g2029784e05d9
> >
> > my testcase:
> > lionel$ uname -a
> > CYGWIN_NT-10.0-19045 halcyonrenard17 3.7.0-0.127.g2029784e05d9.x86_64
> > 2025年06月10日 12:15 UTC x86_64 Cygwin
> > lionel$ mkdir nfstmp1
> > ionel$ setfacl -m g::rwx nfstmp1
> > setfacl: Permission denied
> > ionel$ setfacl -m g:None:rwx nfstmp1
> > setfacl: Permission denied
> >
> > This was working in Cygwin 3.5
>> No changes have been made to the utility for five years,

Are you sure? Isn't this tool part of coreutils?
> but a lot of changes
> have been made to the DLL since 3.5.
>> Could you please install current stable cygwin 3.6.3, retest and report,

lionel$ uname -a
CYGWIN_NT-10.0-19045 halcyonrenard17 3.6.3-1.x86_64 2025年06月05日 11:45
UTC x86_64 Cygwin
lionel$ setfacl --version
setfacl (cygwin) 3.6.3
POSIX ACL modification utility
Copyright (C) 2000 - 2025 Cygwin Authors
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
## testing with a file:
lionel$ rm -f myfile && touch myfile && setfacl -m g::rwx myfile
# works
## testing with a dir:
lionel$ rm -Rf mydir && mkdir mydir && setfacl -m g::rwx mydir
setfacl: Permission denied
So in Cygwin 3.6.3 setfacl for files works, but not for dirs
> to try
> and narrow down the issue occurrence to changes in major version 3.6 or 3.7, or
> better to minor versions if you have the space and time?

How can I install each Cygwin minor version (not just the Cygwin
*.dll, I mean EVERYTHING including dependencies)?
Lionel
P.S.: Testing /usr/bin/setfacl.exe is not part of the CI, right?