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* bash /cmd disagree about owner and permissions to executable
@ 2019-12-26 21:05 Enrique Perez-Terron
  2019-12-26 21:49 ` Andrey Repin
  2019-12-27  4:51 ` Lee
  0 siblings, 2 replies; 6+ messages in thread
From: Enrique Perez-Terron @ 2019-12-26 21:05 UTC (permalink / raw)
  To: cygwin

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I prefer to have a single installation of python, rather than having to 
remember to install packages for various pythons.
I choose the standard windows 64-bit install of python 3.8
But today when I tried to run a script ...

> Heidi@panter ~
> $ python3 x.py
> -bash: 
> /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/python3: 
> Permission denied

Surprise!

Investigating...

> Heidi@panter ~
> $ ls -ld "$(type -p python3)"
> -rwxr-x--- 1 Unknown+User Unknown+Group 0 des 26 19:25 
> /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/python3*
> 
> Heidi@panter ~
> $ cmd /C "icacls $(cygpath -w "$(type -p python3)")"
> C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe 
> NT-MYNDIGHET\SYSTEM:(I)(F)
>                                                                
> BUILTIN\Administratorer:(I)(F)
>                                                                
> PANTER\Heidi:(I)(F)
>                                                                
> S-1-19-512-4096:(RX,D,WDAC,WO,WA)
> 
> Successfully processed 1 files; Failed processing 0 files
> 
> Heidi@panter ~
> $ cmd /C "dir /q $(cygpath -w "$(type -p python3)")"
>  Volume in drive C is Acer
>  Volume Serial Number is 3A2C-1A76
> 
>  Directory of C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps
> 
> 26.12.2019  19.25                 0 PANTER\Heidi           python3.exe
>                1 File(s)              0 bytes
>                0 Dir(s)  155â–’760â–’214â–’016 bytes free


Hey, what is this? Windows reports that the owner of the binary is 
PANTER\Heidi, but /bin/ls reports Unknown+User?

I rebboted, unistalled python and installed the app store version of 
python instead, but nothing changed.

Any suggestions?
-Thanks

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: bash /cmd disagree about owner and permissions to executable
  2019-12-26 21:05 bash /cmd disagree about owner and permissions to executable Enrique Perez-Terron
@ 2019-12-26 21:49 ` Andrey Repin
  2019-12-30  3:37   ` Enrique Perez-Terron
  2019-12-27  4:51 ` Lee
  1 sibling, 1 reply; 6+ messages in thread
From: Andrey Repin @ 2019-12-26 21:49 UTC (permalink / raw)
  To: Enrique Perez-Terron, cygwin

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=utf-8, Size: 2395 bytes --]

Greetings, Enrique Perez-Terron!

> I prefer to have a single installation of python, rather than having to 
> remember to install packages for various pythons.
> I choose the standard windows 64-bit install of python 3.8
> But today when I tried to run a script ...

>> Heidi@panter ~
>> $ python3 x.py
>> -bash: 
>> /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/python3: 
>> Permission denied

> Surprise!

> Investigating...

>> Heidi@panter ~
>> $ ls -ld "$(type -p python3)"
>> -rwxr-x--- 1 Unknown+User Unknown+Group 0 des 26 19:25 
>> /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/python3*
>> 
>> Heidi@panter ~
>> $ cmd /C "icacls $(cygpath -w "$(type -p python3)")"

No need to "cmd /c"

>> C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe 
>> NT-MYNDIGHET\SYSTEM:(I)(F)
>>                                                                
>> BUILTIN\Administratorer:(I)(F)
>>                                                                
>> PANTER\Heidi:(I)(F)
>>                                                                
>> S-1-19-512-4096:(RX,D,WDAC,WO,WA)
>> 
>> Successfully processed 1 files; Failed processing 0 files
>> 
>> Heidi@panter ~
>> $ cmd /C "dir /q $(cygpath -w "$(type -p python3)")"
>>  Volume in drive C is Acer
>>  Volume Serial Number is 3A2C-1A76
>> 
>>  Directory of C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps
>> 
>> 26.12.2019  19.25                 0 PANTER\Heidi           python3.exe
>>                1 File(s)              0 bytes
>>                0 Dir(s)  155â–’760â–’214â–’016 bytes free


> Hey, what is this? Windows reports that the owner of the binary is 
> PANTER\Heidi, but /bin/ls reports Unknown+User?

> I rebboted, unistalled python and installed the app store version of 
> python instead, but nothing changed.

> Any suggestions?

Problem reports:       http://cygwin.com/problems.html

In particular, show "mount" output and check that you don't have
/etc/{passwd,group} files


-- 
With best regards,
Andrey Repin
Thursday, December 26, 2019 23:57:30

Sorry for my terrible english...\0ТÒÐÐ¥\a&ö&ÆVÒ\a&W\x06÷'G3¢\x02\x02\x02\x02\x02\x02\x06‡GG\x03¢òö7–wv–âæ6öÒ÷\a&ö&ÆV×2æ‡FÖÀФd\x15\x13¢\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x06‡GG\x03¢òö7–wv–âæ6öÒöf\x17\x12ðФFö7VÖVçF\x17F–öã¢\x02\x02\x02\x02\x02\x02\x02\x02\x06‡GG\x03¢òö7–wv–âæ6öÒöFö72æ‡FÖÀÐ¥Vç7V'67&–&R\x06–æfó¢\x02\x02\x02\x02\x02\x06‡GG\x03¢òö7–wv–âæ6öÒöÖÂò7Vç7V'67&–&R×6–×\x06ÆPРÐ

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: bash /cmd disagree about owner and permissions to executable
  2019-12-26 21:05 bash /cmd disagree about owner and permissions to executable Enrique Perez-Terron
  2019-12-26 21:49 ` Andrey Repin
@ 2019-12-27  4:51 ` Lee
  1 sibling, 0 replies; 6+ messages in thread
From: Lee @ 2019-12-27  4:51 UTC (permalink / raw)
  To: cygwin

On 12/26/19, Enrique Perez-Terron   wrote:
> I prefer to have a single installation of python, rather than having to
> remember to install packages for various pythons.
> I choose the standard windows 64-bit install of python 3.8
> But today when I tried to run a script ...
>
>> Heidi@panter ~
>> $ python3 x.py
>> -bash:
>> /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/python3:
>> Permission denied
>
> Surprise!
>
> Investigating...
>
>> Heidi@panter ~
>> $ ls -ld "$(type -p python3)"
>> -rwxr-x--- 1 Unknown+User Unknown+Group 0 des 26 19:25
>> /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/python3*
>>
>> Heidi@panter ~
>> $ cmd /C "icacls $(cygpath -w "$(type -p python3)")"
>> C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe
>> NT-MYNDIGHET\SYSTEM:(I)(F)
>>
>> BUILTIN\Administratorer:(I)(F)
>>
>> PANTER\Heidi:(I)(F)
>>
>> S-1-19-512-4096:(RX,D,WDAC,WO,WA)
>>
>> Successfully processed 1 files; Failed processing 0 files
>>
>> Heidi@panter ~
>> $ cmd /C "dir /q $(cygpath -w "$(type -p python3)")"
>>  Volume in drive C is Acer
>>  Volume Serial Number is 3A2C-1A76
>>
>>  Directory of C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps
>>
>> 26.12.2019  19.25                 0 PANTER\Heidi           python3.exe
>>                1 File(s)              0 bytes
>>                0 Dir(s)  155▒760▒214▒016 bytes free
>
>
> Hey, what is this? Windows reports that the owner of the binary is
> PANTER\Heidi, but /bin/ls reports Unknown+User?
>
> I rebboted, unistalled python and installed the app store version of
> python instead, but nothing changed.
>
> Any suggestions?

Take a look at
  https://cygwin.com/cygwin-ug-net/using.html#mount-table
and try changing /etc/fstab
# This is the default:
# none /cygdrive cygdrive binary,posix=0,user 0 0
none /cygdrive cygdrive binary,posix=0,user,noacl,exec 0 0

altho with cygwin saying 'Unknown+User Unknown+Group'  I don't know if
that will be enough :(

Somebody else will have to help you with
>  Windows reports that the owner of the binary is
> PANTER\Heidi, but /bin/ls reports Unknown+User?

Regards,
Lee

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: bash /cmd disagree about owner and permissions to executable
  2019-12-26 21:49 ` Andrey Repin
@ 2019-12-30  3:37   ` Enrique Perez-Terron
  2019-12-30 23:10     ` Brian Inglis
  0 siblings, 1 reply; 6+ messages in thread
From: Enrique Perez-Terron @ 2019-12-30  3:37 UTC (permalink / raw)
  To: cygwin

[-- Attachment #1: Type: text/plain, Size: 12727 bytes --]

Den 2019-12-26 22:00, skrev Andrey Repin:
> Greetings, Enrique Perez-Terron!
Thanks.
[snip]
> Problem reports:       http://cygwin.com/problems.html
See attached cygcheck.out, unaltered.

> In particular, show "mount" output and check that you don't have
> /etc/{passwd,group} files

Heidi@panter ~
$ mount
C:/cygwin64/bin on /usr/bin type ntfs (binary,auto)
C:/cygwin64/lib on /usr/lib type ntfs (binary,auto)
C:/cygwin64 on / type ntfs (binary,auto)
C: on /cygdrive/c type ntfs (binary,posix=0,user,noumount,auto)

Heidi@panter ~
$ /bin/ls -ld /etc/{passwd,group}
/bin/ls: klarte ikke å åpne '/etc/passwd': No such file or directory
/bin/ls: klarte ikke å åpne '/etc/group': No such file or directory

("klarte ikke å åpne" = "Could not open")

Looking around for other symptoms/non-symptoms

Heidi@panter ~
$ cmd /C 'dir /Q C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps'
  Volume in drive C is Acer
  Volume Serial Number is 3A2C-1A76

  Directory of C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps

26.12.2019  19.18    <DIR>          PANTER\Heidi           Backup
13.12.2019  22.52                 0 PANTER\Heidi           excel.exe
13.12.2019  14.28                 0 PANTER\Heidi           
GameBarElevatedFT_Alias.exe
26.12.2019  19.25                 0 PANTER\Heidi           idle.exe
26.12.2019  19.25                 0 PANTER\Heidi           idle3.8.exe
26.12.2019  19.25                 0 PANTER\Heidi           idle3.exe
12.11.2019  20.45    <DIR>          PANTER\Heidi           
Microsoft.MicrosoftEdge_8wekyb3d8bbwe
13.12.2019  22.52    <DIR>          PANTER\Heidi           
Microsoft.Office.Desktop_8wekyb3d8bbwe
13.12.2019  14.28    <DIR>          PANTER\Heidi           
Microsoft.XboxGamingOverlay_8wekyb3d8bbwe
12.11.2019  20.45                 0 PANTER\Heidi           
MicrosoftEdge.exe
13.12.2019  22.52                 0 PANTER\Heidi           msaccess.exe
13.12.2019  22.52                 0 PANTER\Heidi           msosync.exe
13.12.2019  22.52                 0 PANTER\Heidi           msouc.exe
13.12.2019  22.52                 0 PANTER\Heidi           msoxmled.exe
13.12.2019  22.52                 0 PANTER\Heidi           mspub.exe
13.12.2019  22.52                 0 PANTER\Heidi           outlook.exe
26.12.2019  19.25                 0 PANTER\Heidi           pip.exe
26.12.2019  19.25                 0 PANTER\Heidi           pip3.8.exe
26.12.2019  19.25                 0 PANTER\Heidi           pip3.exe
13.12.2019  22.52                 0 PANTER\Heidi           powerpnt.exe
13.12.2019  22.52                 0 PANTER\Heidi           
protocolhandler.exe
26.12.2019  19.25                 0 PANTER\Heidi           python.exe
26.12.2019  19.25                 0 PANTER\Heidi           python3.8.exe
26.12.2019  19.25                 0 PANTER\Heidi           python3.exe
26.12.2019  19.25    <DIR>          PANTER\Heidi           
PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0
26.12.2019  19.25                 0 PANTER\Heidi           pythonw.exe
26.12.2019  19.25                 0 PANTER\Heidi           
pythonw3.8.exe
26.12.2019  19.25                 0 PANTER\Heidi           pythonw3.exe
13.12.2019  22.52                 0 PANTER\Heidi           sdxhelper.exe
13.12.2019  22.52                 0 PANTER\Heidi           selfcert.exe
13.12.2019  22.52                 0 PANTER\Heidi           winword.exe
               26 File(s)              0 bytes
                5 Dir(s)  156 728 102 912 bytes free

Heidi@panter ~
$ ls -l /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps
totalt 12K
drwx------+ 1 Heidi        Ingen         0 des 26 19:18 Backup/
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 excel.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 14:28 
GameBarElevatedFT_Alias.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 idle.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 idle3.8.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 idle3.exe*
drwx------+ 1 Heidi        Ingen         0 nov 12 20:45 
Microsoft.MicrosoftEdge_8wekyb3d8bbwe/
drwx------+ 1 Heidi        Ingen         0 des 13 22:52 
Microsoft.Office.Desktop_8wekyb3d8bbwe/
drwx------+ 1 Heidi        Ingen         0 des 13 14:28 
Microsoft.XboxGamingOverlay_8wekyb3d8bbwe/
-rwxr-x---  1 Unknown+User Unknown+Group 0 nov 12 20:45 
MicrosoftEdge.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 msaccess.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 msosync.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 msouc.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 msoxmled.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 mspub.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 outlook.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pip.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pip3.8.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pip3.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 powerpnt.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 
protocolhandler.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 python.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 python3.8.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 python3.exe*
drwx------+ 1 Heidi        Ingen         0 des 26 19:25 
PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0/
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pythonw.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pythonw3.8.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pythonw3.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 sdxhelper.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 selfcert.exe*
-rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 winword.exe*

I suspect it's Windows 10 playing some games. Are the files here some 
kind of junctions/symbolic links?
Why do all the files have zero bytes?

Heidi@panter ~
$ cmd /C 'dir /A C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps'
  Volume in drive C is Acer
  Volume Serial Number is 3A2C-1A76

  Directory of C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps

26.12.2019  19.25    <DIR>          .
26.12.2019  19.25    <DIR>          ..
26.12.2019  19.18    <DIR>          Backup
13.12.2019  22.52                 0 excel.exe
13.12.2019  14.28                 0 GameBarElevatedFT_Alias.exe
26.12.2019  19.25                 0 idle.exe
26.12.2019  19.25                 0 idle3.8.exe
26.12.2019  19.25                 0 idle3.exe
12.11.2019  20.45    <DIR>          
Microsoft.MicrosoftEdge_8wekyb3d8bbwe
13.12.2019  22.52    <DIR>          
Microsoft.Office.Desktop_8wekyb3d8bbwe
13.12.2019  14.28    <DIR>          
Microsoft.XboxGamingOverlay_8wekyb3d8bbwe
12.11.2019  20.45                 0 MicrosoftEdge.exe
13.12.2019  22.52                 0 msaccess.exe
13.12.2019  22.52                 0 msosync.exe
13.12.2019  22.52                 0 msouc.exe
13.12.2019  22.52                 0 msoxmled.exe
13.12.2019  22.52                 0 mspub.exe
13.12.2019  22.52                 0 outlook.exe
26.12.2019  19.25                 0 pip.exe
26.12.2019  19.25                 0 pip3.8.exe
26.12.2019  19.25                 0 pip3.exe
13.12.2019  22.52                 0 powerpnt.exe
13.12.2019  22.52                 0 protocolhandler.exe
26.12.2019  19.25                 0 python.exe
26.12.2019  19.25                 0 python3.8.exe
26.12.2019  19.25                 0 python3.exe
26.12.2019  19.25    <DIR>          
PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0
26.12.2019  19.25                 0 pythonw.exe
26.12.2019  19.25                 0 pythonw3.8.exe
26.12.2019  19.25                 0 pythonw3.exe
13.12.2019  22.52                 0 sdxhelper.exe
13.12.2019  22.52                 0 selfcert.exe
13.12.2019  22.52                 0 winword.exe
               26 File(s)              0 bytes
                7 Dir(s)  156 728 201 216 bytes free

I'm not sure if DIR /A is reliable in this context. A different 
approach:

Heidi@panter ~
$ locate python3.8.exe | xargs -d '\n' /bin/ls -l
-rwxrwx---+ 1 SYSTEM       SYSTEM        226888 des 26 19:25 
'/cygdrive/c/Program 
Files/WindowsApps/PythonSoftwareFoundation.Python.3.8_3.8.496.0_x64__qbz5n2kfra8p0/python3.8.exe'
-rwxr-x---  1 Unknown+User Unknown+Group      0 des 26 19:25  
/cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/python3.8.exe
-rwxr-x---  1 Unknown+User Unknown+Group      0 des 26 19:25  
/cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0/python3.8.exe

So here is finally a file with a positive byte count.

Heidi@panter ~
$ ls -l '/cygdrive/c/Program Files/WindowsApps'
ls: klarte ikke å åpne mappa '/cygdrive/c/Program Files/WindowsApps': 
Permission denied

(Could not open the folder ...)

Running mintty as Administrator, I do get...
[snip many other directories, a few owned by TrustedInstaller, most by 
SYSTEM]
drwxrwx---+ 1 SYSTEM                      SYSTEM                      0 
des 26 19:25 
PythonSoftwareFoundation.Python.3.8_3.8.496.0_x64__qbz5n2kfra8p0/
[snip]

Yet it does not work to run python in the elevated bash.

This python was installed using Microsoft Store. I will probably have to 
revert to the regular download from python.org
However, it remains interesting that I can run this python from an 
un-elevated cmd, not from mintty/bash, not even if elevated.

Update: I tried this in an elevated mintty/bash:

Heidi@panter ~
$ fsutil.exe reparsepoint query 
'C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe'
Reparse Tag Value : 0x8000001b
Tag value: Microsoft

Reparse Data Length: 0x000001b6
Reparse Data:
0000:  03 00 00 00 50 00 79 00  74 00 68 00 6f 00 6e 00  
....P.y.t.h.o.n.
0010:  53 00 6f 00 66 00 74 00  77 00 61 00 72 00 65 00  
S.o.f.t.w.a.r.e.
0020:  46 00 6f 00 75 00 6e 00  64 00 61 00 74 00 69 00  
F.o.u.n.d.a.t.i.
0030:  6f 00 6e 00 2e 00 50 00  79 00 74 00 68 00 6f 00  
o.n...P.y.t.h.o.
0040:  6e 00 2e 00 33 00 2e 00  38 00 5f 00 71 00 62 00  
n...3...8._.q.b.
0050:  7a 00 35 00 6e 00 32 00  6b 00 66 00 72 00 61 00  
z.5.n.2.k.f.r.a.
0060:  38 00 70 00 30 00 00 00  50 00 79 00 74 00 68 00  
8.p.0...P.y.t.h.
0070:  6f 00 6e 00 53 00 6f 00  66 00 74 00 77 00 61 00  
o.n.S.o.f.t.w.a.
0080:  72 00 65 00 46 00 6f 00  75 00 6e 00 64 00 61 00  
r.e.F.o.u.n.d.a.
0090:  74 00 69 00 6f 00 6e 00  2e 00 50 00 79 00 74 00  
t.i.o.n...P.y.t.
00a0:  68 00 6f 00 6e 00 2e 00  33 00 2e 00 38 00 5f 00  
h.o.n...3...8._.
00b0:  71 00 62 00 7a 00 35 00  6e 00 32 00 6b 00 66 00  
q.b.z.5.n.2.k.f.
00c0:  72 00 61 00 38 00 70 00  30 00 21 00 50 00 79 00  
r.a.8.p.0.!.P.y.
00d0:  74 00 68 00 6f 00 6e 00  00 00 43 00 3a 00 5c 00  
t.h.o.n...C.:.\.
00e0:  50 00 72 00 6f 00 67 00  72 00 61 00 6d 00 20 00  P.r.o.g.r.a.m. 
.
00f0:  46 00 69 00 6c 00 65 00  73 00 5c 00 57 00 69 00  
F.i.l.e.s.\.W.i.
0100:  6e 00 64 00 6f 00 77 00  73 00 41 00 70 00 70 00  
n.d.o.w.s.A.p.p.
0110:  73 00 5c 00 50 00 79 00  74 00 68 00 6f 00 6e 00  
s.\.P.y.t.h.o.n.
0120:  53 00 6f 00 66 00 74 00  77 00 61 00 72 00 65 00  
S.o.f.t.w.a.r.e.
0130:  46 00 6f 00 75 00 6e 00  64 00 61 00 74 00 69 00  
F.o.u.n.d.a.t.i.
0140:  6f 00 6e 00 2e 00 50 00  79 00 74 00 68 00 6f 00  
o.n...P.y.t.h.o.
0150:  6e 00 2e 00 33 00 2e 00  38 00 5f 00 33 00 2e 00  
n...3...8._.3...
0160:  38 00 2e 00 34 00 39 00  36 00 2e 00 30 00 5f 00  
8...4.9.6...0._.
0170:  78 00 36 00 34 00 5f 00  5f 00 71 00 62 00 7a 00  
x.6.4._._.q.b.z.
0180:  35 00 6e 00 32 00 6b 00  66 00 72 00 61 00 38 00  
5.n.2.k.f.r.a.8.
0190:  70 00 30 00 5c 00 70 00  79 00 74 00 68 00 6f 00  
p.0.\.p.y.t.h.o.
01a0:  6e 00 33 00 2e 00 38 00  2e 00 65 00 78 00 65 00  
n.3...8...e.x.e.
01b0:  00 00 30 00 00 00                                 ..0...

I downloaded junction.exe from sysinternals, but...

Heidi@panter ~
$ junction 
'C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe'

Junction v1.07 - Creates and lists directory links
Copyright (C) 2005-2016 Mark Russinovich
Sysinternals - www.sysinternals.com

C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe: UNKNOWN 
MICROSOFT REPARSE POINT

So I did a quick perl hack:

$ fsutil.exe reparsepoint query 
'C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe' | perl 
-ne '/^\d/ || next; for(/\b([0-9a-f]{2})\b/g) {print chr(hex($_)) if 
hex($_)>31;}'
PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0!PythonC:\Program 
Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.496.0_x64__qbz5n2kfra8p0\python3.8.exe0

Greetings from
Enrique Perez-Terron

[-- Attachment #2: cygcheck.out --]
[-- Type: text/plain, Size: 44357 bytes --]


Cygwin Configuration Diagnostics
Current System Time: Sun Dec 29 15:10:15 2019

Windows 10 Home Ver 10.0 Build 17763 

Path:	C:\cygwin64\home\Heidi\perl5\bin
	C:\cygwin64\usr\local\bin
	C:\cygwin64\bin
	C:\WINDOWS\system32
	C:\WINDOWS
	C:\WINDOWS\System32\Wbem
	C:\WINDOWS\System32\WindowsPowerShell\v1.0
	C:\WINDOWS\System32\OpenSSH
	C:\Program Files (x86)\PDFtk\bin
	C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps
	C:\cygwin64\lib\lapack

Output from C:\cygwin64\bin\id.exe
UID: 197609(Heidi)                 GID: 197121(Ingen)
=197121(Ingen)                     545(Brukere)
4(INTERAKTIV)                      66049(KONSOLLPÃ…LOGGING)
11(Godkjente brukere)              15(Denne organisasjonen)
113(Lokal konto)                   4095(CurrentSession)
66048(LOKAL)                       262154(NTLM-godkjenning)
401408(Middels obligatorisk nivå)

SysDir: C:\WINDOWS\system32
WinDir: C:\WINDOWS

USER = 'Heidi'
PWD = '/home/Heidi'
HOME = '/home/Heidi'

USERDOMAIN = 'PANTER'
OS = 'Windows_NT'
COMMONPROGRAMFILES = 'C:\Program Files\Common Files'
PROCESSOR_LEVEL = '23'
PSModulePath = 'C:\Program Files\WindowsPowerShell\Modules;C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules'
CommonProgramW6432 = 'C:\Program Files\Common Files'
CommonProgramFiles(x86) = 'C:\Program Files (x86)\Common Files'
LANG = 'nb_NO.UTF-8'
TZ = 'Europe/Oslo'
HOSTNAME = 'panter'
PUBLIC = 'C:\Users\Public'
OLDPWD = '/home/Heidi'
PERL_MB_OPT = '--install_base "/home/Heidi/perl5"'
USERNAME = 'Heidi'
LOGONSERVER = '\\PANTER'
PROCESSOR_ARCHITECTURE = 'AMD64'
LOCALAPPDATA = 'C:\Users\Heidi\AppData\Local'
COMPUTERNAME = 'PANTER'
FPS_BROWSER_APP_PROFILE_STRING = 'Internet Explorer'
!:: = '::\'
SYSTEMDRIVE = 'C:'
USERPROFILE = 'C:\Users\Heidi'
PATHEXT = '.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC'
SYSTEMROOT = 'C:\WINDOWS'
USERDOMAIN_ROAMINGPROFILE = 'PANTER'
PROCESSOR_IDENTIFIER = 'AMD64 Family 23 Model 17 Stepping 0, AuthenticAMD'
OneDriveConsumer = 'C:\Users\Heidi\OneDrive'
TMP = '/tmp'
OneDrive = 'C:\Users\Heidi\OneDrive'
PROCESSOR_REVISION = '1100'
FPS_BROWSER_USER_PROFILE_STRING = 'Default'
PERL_MM_OPT = 'INSTALL_BASE=/home/Heidi/perl5'
PROFILEREAD = 'true'
PERL_LOCAL_LIB_ROOT = '/home/Heidi/perl5'
NUMBER_OF_PROCESSORS = '8'
ProgramW6432 = 'C:\Program Files'
COMSPEC = 'C:\WINDOWS\system32\cmd.exe'
APPDATA = 'C:\Users\Heidi\AppData\Roaming'
SHELL = '/bin/bash'
TERM = 'xterm'
WINDIR = 'C:\WINDOWS'
PERL5LIB = '/home/Heidi/perl5/lib/perl5'
ProgramData = 'C:\ProgramData'
SHLVL = '1'
MINTTY_SHORTCUT = '/cygdrive/c/ProgramData/Microsoft/Windows/Start Menu/Programs/Cygwin/Cygwin64 Terminal.lnk'
PRINTER = 'XP-960 Series(Network)'
PROGRAMFILES = 'C:\Program Files'
ALLUSERSPROFILE = 'C:\ProgramData'
TEMP = '/tmp'
DriverData = 'C:\Windows\System32\Drivers\DriverData'
SESSIONNAME = 'Console'
ProgramFiles(x86) = 'C:\Program Files (x86)'
PS1 = '\[\e]0;\w\a\]\n\[\e[32m\]\u@\h \[\e[33m\]\w\[\e[0m\]\n\$ '
HOMEDRIVE = 'C:'
INFOPATH = '/usr/local/info:/usr/share/info:/usr/info'
HOMEPATH = '\Users\Heidi'
ORIGINAL_PATH = '/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/System32/Wbem:/cygdrive/c/WINDOWS/System32/WindowsPowerShell/v1.0:/cygdrive/c/WINDOWS/System32/OpenSSH:/cygdrive/c/Program Files (x86)/PDFtk/bin:/cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps'
EXECIGNORE = '*.dll'
_ = '/usr/bin/cygcheck'

HKEY_CURRENT_USER\Software\Cygwin
HKEY_CURRENT_USER\Software\Cygwin\Installations
  (default) = '\??\C:\cygwin64'
HKEY_CURRENT_USER\Software\wxMaxima\Persistent_Options\Window\C:\cygwin64
HKEY_CURRENT_USER\Software\wxMaxima\Persistent_Options\Window\C:\cygwin64\home
HKEY_CURRENT_USER\Software\wxMaxima\Persistent_Options\Window\C:\cygwin64\home\Heidi
HKEY_CURRENT_USER\Software\wxMaxima\Persistent_Options\Window\C:\cygwin64\home\Heidi\electron hole recombination in relativity.wxmx
  (default) = 0xfffffff8
  y = 0xfffffff8
  w = 0x00000610
  h = 0x00000370
  Maximized = 0x00000001
  Iconized = 0x00000000
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\Installations
  (default) = '\??\C:\cygwin64'
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\setup
  (default) = 'C:\cygwin64'

obcaseinsensitive set to 1

Cygwin installations found in the registry:
  System: Key: e022582115c10879 Path: C:\cygwin64
  User:   Key: e022582115c10879 Path: C:\cygwin64

c:  hd  NTFS    243056Mb  39% CP CS UN PA FC    QU  Acer

C:\cygwin64      /          system  binary,auto
C:\cygwin64\bin  /usr/bin   system  binary,auto
C:\cygwin64\lib  /usr/lib   system  binary,auto
cygdrive prefix  /cygdrive  user    binary,posix=0,auto

Found: C:\cygwin64\bin\awk
 -> C:\cygwin64\bin\gawk.exe
Found: C:\cygwin64\bin\bash.exe
Found: C:\cygwin64\bin\cat.exe
Found: C:\WINDOWS\system32\certutil.exe
Found: C:\WINDOWS\system32\clinfo.exe
Found: C:\WINDOWS\system32\comp.exe
Found: C:\cygwin64\bin\convert.exe
Found: C:\WINDOWS\system32\convert.exe
Warning: C:\cygwin64\bin\convert.exe hides C:\WINDOWS\system32\convert.exe
Found: C:\cygwin64\bin\cp.exe
Found: C:\cygwin64\bin\cpp.exe
Found: C:\cygwin64\bin\crontab.exe
Found: C:\cygwin64\bin\curl.exe
Found: C:\WINDOWS\system32\curl.exe
Warning: C:\cygwin64\bin\curl.exe hides C:\WINDOWS\system32\curl.exe
Found: C:\cygwin64\bin\expand.exe
Found: C:\WINDOWS\system32\expand.exe
Warning: C:\cygwin64\bin\expand.exe hides C:\WINDOWS\system32\expand.exe
Found: C:\cygwin64\bin\find.exe
Found: C:\WINDOWS\system32\find.exe
Warning: C:\cygwin64\bin\find.exe hides C:\WINDOWS\system32\find.exe
Found: C:\WINDOWS\system32\ftp.exe
Found: C:\cygwin64\bin\gcc.exe
Not Found: gdb
Found: C:\cygwin64\bin\grep.exe
Found: C:\cygwin64\bin\hostname.exe
Found: C:\WINDOWS\system32\hostname.exe
Warning: C:\cygwin64\bin\hostname.exe hides C:\WINDOWS\system32\hostname.exe
Found: C:\cygwin64\bin\kill.exe
Found: C:\WINDOWS\system32\klist.exe
Found: C:\cygwin64\bin\ld.exe
Found: C:\cygwin64\bin\ls.exe
Found: C:\cygwin64\bin\make.exe
Found: C:\cygwin64\bin\mv.exe
Found: C:\WINDOWS\system32\nslookup.exe
Not Found: patch
Found: C:\cygwin64\bin\perl.exe
Found: C:\WINDOWS\system32\replace.exe
Found: C:\cygwin64\bin\rm.exe
Found: C:\cygwin64\bin\sed.exe
Found: C:\cygwin64\bin\sh.exe
Found: C:\WINDOWS\system32\shutdown.exe
Found: C:\cygwin64\bin\sort.exe
Found: C:\WINDOWS\system32\sort.exe
Warning: C:\cygwin64\bin\sort.exe hides C:\WINDOWS\system32\sort.exe
Found: C:\cygwin64\bin\ssh.exe
Found: C:\WINDOWS\System32\OpenSSH\ssh.exe
Warning: C:\cygwin64\bin\ssh.exe hides C:\WINDOWS\System32\OpenSSH\ssh.exe
Found: C:\cygwin64\bin\tar.exe
Found: C:\WINDOWS\system32\tar.exe
Warning: C:\cygwin64\bin\tar.exe hides C:\WINDOWS\system32\tar.exe
Found: C:\cygwin64\bin\test.exe
Found: C:\cygwin64\bin\timeout.exe
Found: C:\WINDOWS\system32\timeout.exe
Warning: C:\cygwin64\bin\timeout.exe hides C:\WINDOWS\system32\timeout.exe
Found: C:\cygwin64\bin\vi.exe
Found: C:\cygwin64\bin\vim.exe
Found: C:\cygwin64\bin\whoami.exe
Found: C:\WINDOWS\system32\whoami.exe
Warning: C:\cygwin64\bin\whoami.exe hides C:\WINDOWS\system32\whoami.exe

 1765k 2019/12/28 C:\cygwin64\usr\local\bin\cygtiff-5.dll - os=4.0 img=0.0 sys=5.2
                  "cygtiff-5.dll" v0.0 ts=2019-12-28 01:47
  224k 2019/12/28 C:\cygwin64\usr\local\bin\cygtiffxx-5.dll - os=4.0 img=0.0 sys=5.2
                  "cygtiffxx-5.dll" v0.0 ts=2019-12-28 01:47
   39k 2016/09/19 C:\cygwin64\bin\cygargp-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygargp-0.dll" v0.0 ts=2016-09-19 02:13
   29k 2018/12/09 C:\cygwin64\bin\cygatomic-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygatomic-1.dll" v0.0 ts=2018-12-08 22:53
   19k 2018/12/20 C:\cygwin64\bin\cygattr-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygattr-1.dll" v0.0 ts=2018-12-20 09:48
  188k 2018/09/10 C:\cygwin64\bin\cygautotrace-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygautotrace-3.dll" v0.0 ts=2018-09-10 13:23
  246k 2019/03/05 C:\cygwin64\bin\cygblkid-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygblkid-1.dll" v0.0 ts=2019-03-05 20:06
  129k 2019/05/13 C:\cygwin64\bin\cygbrotlicommon-1.dll - os=4.0 img=1.0 sys=5.2
                  "cygbrotlicommon-1.dll" v0.0 ts=2019-05-13 02:33
   48k 2019/05/13 C:\cygwin64\bin\cygbrotlidec-1.dll - os=4.0 img=1.0 sys=5.2
                  "cygbrotlidec-1.dll" v0.0 ts=2019-05-13 02:33
   66k 2019/07/21 C:\cygwin64\bin\cygbz2-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygbz2-1.dll" v0.0 ts=2019-07-22 00:05
 1087k 2019/09/16 C:\cygwin64\bin\cygcairo-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcairo-2.dll" v0.0 ts=2019-09-16 02:42
   27k 2019/09/16 C:\cygwin64\bin\cygcairo-gobject-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcairo-gobject-2.dll" v0.0 ts=2019-09-16 02:43
  120k 2019/09/16 C:\cygwin64\bin\cygcairo-script-interpreter-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcairo-script-interpreter-2.dll" v0.0 ts=2019-09-16 02:43
   13k 2019/01/02 C:\cygwin64\bin\cygcom_err-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcom_err-2.dll" v0.0 ts=2019-01-02 02:39
  203k 2017/04/25 C:\cygwin64\bin\cygcroco-0.6-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygcroco-0.6-3.dll" v0.0 ts=2017-04-25 17:03
   39k 2017/09/03 C:\cygwin64\bin\cygcrypt-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygcrypt-0.dll" v0.0 ts=2017-09-03 08:18
  194k 2019/04/03 C:\cygwin64\bin\cygcrypt-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcrypt-2.dll" v0.0 ts=2019-04-03 22:05
 2363k 2019/09/11 C:\cygwin64\bin\cygcrypto-1.0.0.dll - os=4.0 img=0.0 sys=5.2
                  "cygcrypto-1.0.0.dll" v0.0 ts=2019-09-11 18:40
 2416k 2019/09/13 C:\cygwin64\bin\cygcrypto-1.1.dll - os=4.0 img=0.0 sys=5.2
                  "cygcrypto-1.1.dll" v0.0 ts=2019-09-13 18:36
  554k 2019/09/18 C:\cygwin64\bin\cygcurl-4.dll - os=4.0 img=0.0 sys=5.2
                  "cygcurl-4.dll" v0.0 ts=2019-09-18 02:12
   24k 2014/11/12 C:\cygwin64\bin\cygdatrie-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygdatrie-1.dll" v0.0 ts=2014-11-12 07:24
 1552k 2017/09/28 C:\cygwin64\bin\cygdb-5.3.dll - os=4.0 img=0.0 sys=5.2
                  "cygdb-5.3.dll" v0.0 ts=2017-09-28 20:05
  267k 2017/08/10 C:\cygwin64\bin\cygdbus-1-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygdbus-1-3.dll" v0.0 ts=2017-08-10 06:10
  119k 2017/09/28 C:\cygwin64\bin\cygdb_cxx-5.3.dll - os=4.0 img=0.0 sys=5.2
                  "cygdb_cxx-5.3.dll" v0.0 ts=2017-09-28 20:06
  569k 2017/09/28 C:\cygwin64\bin\cygdb_sql-5.3.dll - os=4.0 img=0.0 sys=5.2
                  "cygdb_sql-5.3.dll" v0.0 ts=2017-09-28 20:06
  154k 2013/10/20 C:\cygwin64\bin\cygedit-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygedit-0.dll" v0.0 ts=2013-10-20 21:56
  157k 2018/09/30 C:\cygwin64\bin\cygEMF-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygEMF-1.dll" v0.0 ts=2018-09-30 22:42
  181k 2018/09/27 C:\cygwin64\bin\cygexpat-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygexpat-1.dll" v0.0 ts=2018-09-27 18:30
   30k 2014/10/14 C:\cygwin64\bin\cygfam-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygfam-0.dll" v0.0 ts=2014-10-14 21:33
  347k 2019/03/05 C:\cygwin64\bin\cygfdisk-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygfdisk-1.dll" v0.0 ts=2019-03-05 20:06
   27k 2015/11/17 C:\cygwin64\bin\cygffi-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygffi-6.dll" v0.0 ts=2015-11-17 22:14
 2158k 2018/06/09 C:\cygwin64\bin\cygfftw3-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygfftw3-3.dll" v0.0 ts=2018-06-09 21:10
 2188k 2018/06/09 C:\cygwin64\bin\cygfftw3f-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygfftw3f-3.dll" v0.0 ts=2018-06-09 20:53
   25k 2018/06/09 C:\cygwin64\bin\cygfftw3f_threads-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygfftw3f_threads-3.dll" v0.0 ts=2018-06-09 20:54
  927k 2018/06/09 C:\cygwin64\bin\cygfftw3l-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygfftw3l-3.dll" v0.0 ts=2018-06-09 21:50
   24k 2018/06/09 C:\cygwin64\bin\cygfftw3l_threads-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygfftw3l_threads-3.dll" v0.0 ts=2018-06-09 21:51
   25k 2018/06/09 C:\cygwin64\bin\cygfftw3_threads-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygfftw3_threads-3.dll" v0.0 ts=2018-06-09 21:10
  247k 2019/07/28 C:\cygwin64\bin\cygfontconfig-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygfontconfig-1.dll" v0.0 ts=2019-07-29 00:52
   56k 2019/07/28 C:\cygwin64\bin\cygformw-10.dll - os=4.0 img=0.0 sys=5.2
                  "cygformw-10.dll" v0.0 ts=2019-07-28 17:33
  545k 2015/01/15 C:\cygwin64\bin\cygfpx-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygfpx-1.dll" v0.0 ts=2015-01-15 12:50
  667k 2019/07/28 C:\cygwin64\bin\cygfreetype-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygfreetype-6.dll" v0.0 ts=2019-07-29 00:30
  137k 2019/03/29 C:\cygwin64\bin\cyggc-1.dll - os=4.0 img=0.0 sys=5.2
                  "cyggc-1.dll" v0.0 ts=2019-03-29 22:16
   70k 2018/12/09 C:\cygwin64\bin\cyggcc_s-seh-1.dll - os=4.0 img=0.0 sys=5.2
                  "cyggcc_s-seh-1.dll" v0.0 ts=2018-12-08 19:56
   46k 2019/07/10 C:\cygwin64\bin\cyggdbm-4.dll - os=4.0 img=0.0 sys=5.2
                  "cyggdbm-4.dll" v0.0 ts=2019-07-10 15:06
   49k 2019/07/10 C:\cygwin64\bin\cyggdbm-6.dll - os=4.0 img=0.0 sys=5.2
                  "cyggdbm-6.dll" v0.0 ts=2019-07-10 14:53
   13k 2019/07/10 C:\cygwin64\bin\cyggdbm_compat-4.dll - os=4.0 img=0.0 sys=5.2
                  "cyggdbm_compat-4.dll" v0.0 ts=2019-07-10 14:53
  141k 2018/02/11 C:\cygwin64\bin\cyggdk_pixbuf-2.0-0.dll - os=4.0 img=0.0 sys=5.2
                  "cyggdk_pixbuf-2.0-0.dll" v0.0 ts=2018-02-11 23:46
 1744k 2018/12/09 C:\cygwin64\bin\cyggfortran-4.dll - os=4.0 img=0.0 sys=5.2
                  "cyggfortran-4.dll" v0.0 ts=2018-12-09 00:10
   33k 2018/02/27 C:\cygwin64\bin\cyggif-7.dll - os=4.0 img=0.0 sys=5.2
                  "cyggif-7.dll" v0.0 ts=2018-02-27 05:12
 1398k 2018/02/11 C:\cygwin64\bin\cyggio-2.0-0.dll - os=4.0 img=0.0 sys=5.2
                  "cyggio-2.0-0.dll" v0.0 ts=2018-02-11 19:03
  993k 2018/02/11 C:\cygwin64\bin\cygglib-2.0-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygglib-2.0-0.dll" v0.0 ts=2018-02-11 19:01
   15k 2018/02/11 C:\cygwin64\bin\cyggmodule-2.0-0.dll - os=4.0 img=0.0 sys=5.2
                  "cyggmodule-2.0-0.dll" v0.0 ts=2018-02-11 19:01
  527k 2017/01/21 C:\cygwin64\bin\cyggmp-10.dll - os=4.0 img=0.0 sys=5.2
                  "cyggmp-10.dll" v0.0 ts=2017-01-21 18:25
 1472k 2019/07/29 C:\cygwin64\bin\cyggnutls-30.dll - os=4.0 img=0.0 sys=5.2
                  "cyggnutls-30.dll" v0.0 ts=2019-07-29 03:55
  289k 2018/02/11 C:\cygwin64\bin\cyggobject-2.0-0.dll - os=4.0 img=0.0 sys=5.2
                  "cyggobject-2.0-0.dll" v0.0 ts=2018-02-11 19:02
  148k 2018/12/09 C:\cygwin64\bin\cyggomp-1.dll - os=4.0 img=0.0 sys=5.2
                  "cyggomp-1.dll" v0.0 ts=2018-12-08 20:21
  177k 2017/09/04 C:\cygwin64\bin\cyggraphite2-3.dll - os=4.0 img=3.0 sys=5.2
                  "cyggraphite2-3.dll" v0.0 ts=2017-09-04 21:02
12223k 2019/04/15 C:\cygwin64\bin\cyggs-9.dll - os=4.0 img=0.0 sys=5.2
                  "cyggs-9.dll" v0.0 ts=2019-04-15 20:13
  274k 2018/03/16 C:\cygwin64\bin\cyggssapi_krb5-2.dll - os=4.0 img=0.0 sys=5.2
                  "cyggssapi_krb5-2.dll" v0.0 ts=2018-03-16 03:38
    9k 2018/02/11 C:\cygwin64\bin\cyggthread-2.0-0.dll - os=4.0 img=0.0 sys=5.2
                  "cyggthread-2.0-0.dll" v0.0 ts=2018-02-11 19:01
 1333k 2018/08/07 C:\cygwin64\bin\cygguile-2.0-22.dll - os=4.0 img=0.0 sys=5.2
                  "cygguile-2.0-22.dll" v0.0 ts=2018-08-07 08:10
  980k 2019/07/29 C:\cygwin64\bin\cygharfbuzz-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygharfbuzz-0.dll" v0.0 ts=2019-07-29 03:31
   33k 2017/02/13 C:\cygwin64\bin\cyghistory7.dll - os=4.0 img=0.0 sys=5.2
                  "cyghistory7.dll" v0.0 ts=2017-02-11 22:39
  168k 2019/02/19 C:\cygwin64\bin\cyghogweed-4.dll - os=4.0 img=0.0 sys=5.2
                  "cyghogweed-4.dll" v0.0 ts=2019-02-19 06:59
   81k 2019/09/05 C:\cygwin64\bin\cygICE-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygICE-6.dll" v0.0 ts=2019-09-05 21:24
 1009k 2015/02/20 C:\cygwin64\bin\cygiconv-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygiconv-2.dll" v0.0 ts=2015-02-20 17:07
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  192k 2018/03/16 C:\cygwin64\bin\cygk5crypto-3.dll - os=4.0 img=0.0 sys=5.2
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  253k 2019/08/01 C:\cygwin64\bin\cygldap-2-4-2.dll - os=4.0 img=0.0 sys=5.2
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  270k 2019/08/01 C:\cygwin64\bin\cygldap_r-2-4-2.dll - os=4.0 img=0.0 sys=5.2
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  359k 2018/09/08 C:\cygwin64\bin\cygMagick++-6.Q16-8.dll - os=4.0 img=0.0 sys=5.2
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  334k 2019/05/02 C:\cygwin64\bin\cygming-1.dll - os=4.0 img=0.0 sys=5.2
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   92k 2018/03/17 C:\cygwin64\bin\cygmpc-3.dll - os=4.0 img=0.0 sys=5.2
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  432k 2019/02/02 C:\cygwin64\bin\cygmpfr-6.dll - os=4.0 img=0.0 sys=5.2
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   64k 2018/11/19 C:\cygwin64\bin\cygmuaux-5.dll - os=4.0 img=0.0 sys=5.2
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   40k 2018/11/19 C:\cygwin64\bin\cygmu_auth-5.dll - os=4.0 img=0.0 sys=5.2
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   22k 2018/11/19 C:\cygwin64\bin\cygmu_dbm-5.dll - os=4.0 img=0.0 sys=5.2
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   24k 2018/11/19 C:\cygwin64\bin\cygmu_maildir-5.dll - os=4.0 img=0.0 sys=5.2
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   46k 2018/11/19 C:\cygwin64\bin\cygmu_mailer-5.dll - os=4.0 img=0.0 sys=5.2
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   36k 2018/11/19 C:\cygwin64\bin\cygmu_mbox-5.dll - os=4.0 img=0.0 sys=5.2
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   17k 2018/11/19 C:\cygwin64\bin\cygmu_mh-5.dll - os=4.0 img=0.0 sys=5.2
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   46k 2018/11/19 C:\cygwin64\bin\cygmu_pop-5.dll - os=4.0 img=0.0 sys=5.2
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  122k 2018/11/19 C:\cygwin64\bin\cygmu_sieve-5.dll - os=4.0 img=0.0 sys=5.2
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  301k 2019/07/28 C:\cygwin64\bin\cygncursesw-10.dll - os=4.0 img=0.0 sys=5.2
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  205k 2019/02/19 C:\cygwin64\bin\cygnettle-6.dll - os=4.0 img=0.0 sys=5.2
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   74k 2019/04/05 C:\cygwin64\bin\cygnsl-2.dll - os=4.0 img=0.0 sys=5.2
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  270k 2018/02/12 C:\cygwin64\bin\cygpango-1.0-0.dll - os=4.0 img=0.0 sys=5.2
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   44k 2018/02/12 C:\cygwin64\bin\cygpangocairo-1.0-0.dll - os=4.0 img=0.0 sys=5.2
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   72k 2018/02/12 C:\cygwin64\bin\cygpangoft2-1.0-0.dll - os=4.0 img=0.0 sys=5.2
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   28k 2018/02/12 C:\cygwin64\bin\cygpangoxft-1.0-0.dll - os=4.0 img=0.0 sys=5.2
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  467k 2019/04/05 C:\cygwin64\bin\cygpcre-1.dll - os=4.0 img=0.0 sys=5.2
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   41k 2019/09/12 C:\cygwin64\bin\cygpipeline-1.dll - os=4.0 img=0.0 sys=5.2
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  642k 2019/09/05 C:\cygwin64\bin\cygpixman-1-0.dll - os=4.0 img=0.0 sys=5.2
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 1150k 2019/09/05 C:\cygwin64\bin\cygX11-6.dll - os=4.0 img=0.0 sys=5.2
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   13k 2019/09/05 C:\cygwin64\bin\cygXau-6.dll - os=4.0 img=0.0 sys=5.2
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   12k 2019/09/05 C:\cygwin64\bin\cygxcb-shm-0.dll - os=4.0 img=0.0 sys=5.2
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   21k 2019/09/05 C:\cygwin64\bin\cygXdmcp-6.dll - os=4.0 img=0.0 sys=5.2
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   77k 2019/09/05 C:\cygwin64\bin\cygXft-2.dll - os=4.0 img=0.0 sys=5.2
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 1222k 2019/03/26 C:\cygwin64\bin\cygxml2-2.dll - os=4.0 img=0.0 sys=5.2
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   88k 2019/09/05 C:\cygwin64\bin\cygXmu-6.dll - os=4.0 img=0.0 sys=5.2
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   61k 2017/01/18 C:\cygwin64\bin\cygXpm-4.dll - os=4.0 img=0.0 sys=5.2
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   56k 2017/11/20 C:\cygwin64\bin\cygXpm-noX-4.dll - os=4.0 img=0.0 sys=5.2
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  335k 2019/09/06 C:\cygwin64\bin\cygXt-6.dll - os=4.0 img=0.0 sys=5.2
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 3508k 2019/12/21 C:\cygwin64\bin\cygwin1.dll - os=4.0 img=0.0 sys=5.2
                  "cygwin1.dll" v0.0 ts=2019-12-21 15:25
    Cygwin DLL version info:
        DLL version: 3.1.2
        DLL epoch: 19
        DLL old termios: 5
        DLL malloc env: 28
        Cygwin conv: 181
        API major: 0
        API minor: 340
        Shared data: 5
        DLL identifier: cygwin1
        Mount registry: 3
        Cygwin registry name: Cygwin
        Installations name: Installations
        Cygdrive default prefix: 
        Build date: 
        Shared id: cygwin1S5

  437k 2018/05/24 C:\cygwin64\lib\lapack\cygblas-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygblas-0.dll" v0.0 ts=2018-05-20 15:40
 6901k 2018/05/24 C:\cygwin64\lib\lapack\cyglapack-0.dll - os=4.0 img=0.0 sys=5.2
                  "cyglapack-0.dll" v0.0 ts=2018-05-20 15:40

Service             : cron                
Display name        : Cron daemon
Current State       : Running
Controls Accepted   : Stop
Command             : /usr/sbin/cron -n
stdin path          : /dev/null
stdout path         : /var/log/cron.log
stderr path         : /var/log/cron.log
Environment         : CYGWIN=" " TMP="/tmp" TEMP="/tmp" 
Process Type        : Own Process
Startup             : Automatic
Account             : .\Heidi

Service             : cygsshd             
Display name        : CYGWIN cygsshd
Current State       : Running
Controls Accepted   : Stop
Command             : /usr/sbin/sshd -D
stdin path          : /dev/null
stdout path         : /var/log/cygsshd.log
stderr path         : /var/log/cygsshd.log
Process Type        : Own Process
Startup             : Automatic
Dependencies        : tcpip
Account             : LocalSystem


Cygwin Package Information
Last downloaded files to: C:\Users\Heidi\Downloads
Last downloaded files from: ftp://cygwin.uib.no/pub/cygwin/

Package                       Version            Status
_autorebase                   001007-1           OK
alternatives                  1.3.30c-10         OK
autoconf                      13-1               OK
autoconf2.1                   2.13-12            OK
autoconf2.5                   2.69-4             OK
automake                      11-1               OK
automake1.10                  1.10.3-3           OK
automake1.11                  1.11.6-3           OK
automake1.12                  1.12.6-3           OK
automake1.13                  1.13.4-2           OK
automake1.14                  1.14.1-3           OK
automake1.15                  1.15.1-2           OK
automake1.16                  1.16.1-1           OK
automake1.9                   1.9.6-11           OK
base-cygwin                   3.8-1              OK
base-files                    4.3-2              OK
bash                          4.4.12-3           OK
binutils                      2.29-1             OK
bzip2                         1.0.8-1            OK
ca-certificates               2.32-1             OK
colordiff                     1.0.18-1           OK
coreutils                     8.26-2             OK
cron                          4.1-65             OK
crypto-policies               20190218-1         OK
csih                          0.9.11-1           OK
curl                          7.66.0-1           OK
cvs                           1.11.23-2          OK
cvsutils                      0.2.6-1            OK
cygrunsrv                     1.62-1             OK
cygutils                      1.4.16-2           OK
cygwin                        3.1.2-1            OK
cygwin-devel                  3.1.2-1            OK
dash                          0.5.9.1-1          OK
dejavu-fonts                  2.37-1             OK
desktop-file-utils            0.23-1             OK
diffutils                     3.5-2              OK
editrights                    1.03-1             OK
emacs-common                  26.3-2             OK
emacs-w32                     26.3-2             OK
file                          5.32-1             OK
findutils                     4.6.0-1            OK
gamin                         0.1.10-15          OK
gawk                          5.0.1-1            OK
gcc-core                      7.4.0-1            OK
gcc-fortran                   7.4.0-1            OK
gcc-g++                       7.4.0-1            OK
getent                        2.18.90-4          OK
grep                          3.0-2              OK
groff                         1.22.4-1           OK
gsettings-desktop-schemas     3.24.1-1           OK
gzip                          1.8-1              OK
hostname                      3.13-1             OK
ImageMagick                   6.9.10.11-1        OK
info                          6.7-1              OK
ipc-utils                     1.0-2              OK
less                          551-1              OK
libargp                       20110921-3         OK
libatomic1                    7.4.0-1            OK
libattr1                      2.4.48-2           OK
libautotrace3                 0.31.1-19          OK
libblkid1                     2.33.1-1           OK
libbrotlicommon1              1.0.7-1            OK
libbrotlidec1                 1.0.7-1            OK
libbz2_1                      1.0.8-1            OK
libcairo2                     1.16.0-1           OK
libcom_err2                   1.44.5-1           OK
libcroco0.6_3                 0.6.12-1           OK
libcrypt-devel                4.4.4-1            OK
libcrypt0                     2.1-1              OK
libcrypt2                     4.4.4-1            OK
libcurl4                      7.66.0-1           OK
libdatrie1                    0.2.8-1            OK
libdb5.3                      5.3.28-2           OK
libdbus1_3                    1.10.22-1          OK
libedit0                      20130712-1         OK
libEMF1                       1.0.9-1            OK
libexpat1                     2.2.6-1            OK
libfam0                       0.1.10-15          OK
libfdisk1                     2.33.1-1           OK
libffi6                       3.2.1-2            OK
libfftw3_3                    3.3.8-1            OK
libfontconfig-common          2.13.1-1           OK
libfontconfig1                2.13.1-1           OK
libfpx1                       1.3.1.4-1          OK
libfreetype6                  2.9.1-1            OK
libgc1                        8.0.4-1            OK
libgcc1                       7.4.0-1            OK
libgdbm4                      1.13-1             OK
libgdbm6                      1.18.1-1           OK
libgdbm_compat4               1.18.1-1           OK
libgdk_pixbuf2.0_0            2.36.11-1          OK
libgfortran4                  7.4.0-1            OK
libgif7                       5.1.4-1            OK
libglib2.0_0                  2.54.3-1           OK
libgmp10                      6.1.2-1            OK
libgnutls30                   3.6.9-1            OK
libgomp1                      7.4.0-1            OK
libgraphite2_3                1.3.10-1           OK
libgs9                        9.27-1             OK
libgssapi_krb5_2              1.15.2-2           OK
libguile2.0_22                2.0.14-3           OK
libharfbuzz0                  2.5.3-1            OK
libhogweed4                   3.4.1-1            OK
libICE6                       1.0.10-1           OK
libiconv                      1.14-3             OK
libiconv2                     1.14-3             OK
libidn11                      1.33-1             OK
libidn2_0                     2.2.0-1            OK
libintl8                      0.19.8.1-2         OK
libisl15                      0.16.1-1           OK
libjasper4                    2.0.14-1           OK
libjbig2                      2.0-14             OK
libjpeg8                      1.5.3-1            OK
libk5crypto3                  1.15.2-2           OK
libkrb5_3                     1.15.2-2           OK
libkrb5support0               1.15.2-2           OK
liblapack0                    3.8.0-1            OK
liblcms2_2                    2.9-1              OK
libltdl7                      2.4.6-7            OK
liblzma5                      5.2.4-1            OK
liblzo2_2                     2.10-1             OK
libMagickC++6_8               6.9.10.11-1        OK
libMagickCore6_6              6.9.10.11-1        OK
libMagickWand6_6              6.9.10.11-1        OK
libmailutils-sieve-extensions 3.5-1              OK
libmailutils5                 3.5-1              OK
libmetalink3                  0.1.2-1            OK
libming1                      0.4.8-3            OK
libmpc3                       1.1.0-1            OK
libmpfr6                      4.0.2-1            OK
libncursesw10                 6.1-1.20190727     OK
libnettle6                    3.4.1-1            OK
libnghttp2_14                 1.37.0-1           OK
libnsl2                       1.2.0-1            OK
libopenldap2_4_2              2.4.48-1           OK
libp11-kit0                   0.23.15-1          OK
libpango1.0_0                 1.40.14-1          OK
libpaper-common               1.1.24-2           OK
libpaper1                     1.1.24-2           OK
libpcre1                      8.43-1             OK
libpipeline1                  1.5.1-1            OK
libpixman1_0                  0.38.4-1           OK
libpkgconf3                   1.6.0-1            OK
libplotter2                   2.6-5              OK
libpng16                      1.6.37-1           OK
libpopt-common                1.16-2             OK
libpopt0                      1.16-2             OK
libpsl5                       0.21.0-1           OK
libpstoedit0                  3.73-1             OK
libqpdf26                     9.1.0-1            OK
libquadmath0                  7.4.0-1            OK
libreadline7                  7.0.3-3            OK
librsvg2_2                    2.40.20-1          OK
libsasl2_3                    2.1.26-11          OK
libsigsegv2                   2.10-2             OK
libSM6                        1.2.3-1            OK
libsmartcols1                 2.33.1-1           OK
libsqlite3_0                  3.30.0-1           OK
libssh-common                 0.8.7-1            OK
libssh4                       0.8.7-1            OK
libssl1.0                     1.0.2t-1           OK
libssl1.1                     1.1.1d-1           OK
libstdc++6                    7.4.0-1            OK
libtasn1_6                    4.14-1             OK
libthai0                      0.1.26-1           OK
libtiff6                      4.0.9-1            OK
libtirpc-common               1.1.4-1            OK
libtirpc3                     1.1.4-1            OK
libtool                       2.4.6-7            OK
libunistring2                 0.9.10-1           OK
libuuid-devel                 2.33.1-1           OK
libuuid1                      2.33.1-1           OK
libwebp7                      0.6.1-2            OK
libwebpmux3                   0.6.1-2            OK
libX11_6                      1.6.8-1            OK
libXau6                       1.0.9-1            OK
libXaw7                       1.0.13-1           OK
libxcb-render0                1.13-1             OK
libxcb-shm0                   1.13-1             OK
libxcb1                       1.13-1             OK
libXdmcp6                     1.1.3-1            OK
libXext6                      1.3.4-1            OK
libXft2                       2.3.3-1            OK
libxml2                       2.9.9-2            OK
libXmu6                       1.1.3-1            OK
libXpm-noX_4                  3.5.12-1           OK
libXpm4                       3.5.12-1           OK
libXrender1                   0.9.9-1            OK
libXt6                        1.2.0-1            OK
libzip5                       1.5.1-1            OK
login                         1.13-1             OK
m4                            1.4.18-1           OK
mailutils                     3.5-1              OK
make                          4.2.1-2            OK
man-db                        2.7.6.1-1          OK
mintty                        3.1.0-1            OK
ncurses                       6.1-1.20190727     OK
openssh                       8.1p1-1            OK
openssl                       1.1.1d-1           OK
p11-kit                       0.23.15-1          OK
p11-kit-trust                 0.23.15-1          OK
p7zip                         15.14.1-1          OK
perl                          5.26.3-2           OK
perl-CPAN-Meta-YAML           0.018-2            OK
perl-Test-Harness             3.42-1             OK
perl-Unicode-Normalize        1.26-1             OK
perl-YAML                     1.29-1             OK
perl_autorebase               5.26.3-2           OK
perl_base                     5.26.3-2           OK
pkg-config                    1.6.0-1            OK
pkgconf                       1.6.0-1            OK
publicsuffix-list-dafsa       20190717-1         OK
python-pip-wheel              19.2.3-1           OK
python-setuptools-wheel       41.2.0-1           OK
qpdf                          9.1.0-1            OK
rebase                        4.4.4-1            OK
rsync                         3.1.2-1            OK
run                           1.3.4-2            OK
sed                           4.4-1              OK
shared-mime-info              1.8-1              OK
tar                           1.29-1             OK
terminfo                      6.1-1.20190727     OK
terminfo-extra                6.1-1.20190727     OK
texinfo                       6.7-1              OK
tzcode                        2019c-1            OK
tzdata                        2019c-1            OK
unzip                         6.0-17             OK
util-linux                    2.33.1-1           OK
vim                           8.1.1772-1         OK
vim-common                    8.1.1772-1         OK
vim-minimal                   8.1.1772-1         OK
w32api-headers                7.0.0-1            OK
w32api-runtime                7.0.0-1            OK
wget                          1.19.1-2           OK
which                         2.20-2             OK
whois                         5.4.0-1            OK
windows-default-manifest      6.4-1              OK
xxd                           8.1.1772-1         OK
xz                            5.2.4-1            OK
zlib0                         1.2.11-1           OK
Use -h to see help about each section

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: bash /cmd disagree about owner and permissions to executable
  2019-12-30  3:37   ` Enrique Perez-Terron
@ 2019-12-30 23:10     ` Brian Inglis
  2020-01-06 17:01       ` Ubuntu
  0 siblings, 1 reply; 6+ messages in thread
From: Brian Inglis @ 2019-12-30 23:10 UTC (permalink / raw)
  To: cygwin

On 2019-12-29 10:24, Enrique Perez-Terron wrote:
> Den 2019-12-26 22:00, skrev Andrey Repin:
>> Greetings, Enrique Perez-Terron!
> Thanks.
> [snip]
>> Problem reports:       http://cygwin.com/problems.html
> See attached cygcheck.out, unaltered.
> 
>> In particular, show "mount" output and check that you don't have
>> /etc/{passwd,group} files
> 
> Heidi@panter ~
> $ mount
> C:/cygwin64/bin on /usr/bin type ntfs (binary,auto)
> C:/cygwin64/lib on /usr/lib type ntfs (binary,auto)
> C:/cygwin64 on / type ntfs (binary,auto)
> C: on /cygdrive/c type ntfs (binary,posix=0,user,noumount,auto)
> 
> Heidi@panter ~
> $ /bin/ls -ld /etc/{passwd,group}
> /bin/ls: klarte ikke å åpne '/etc/passwd': No such file or directory
> /bin/ls: klarte ikke å åpne '/etc/group': No such file or directory
> 
> ("klarte ikke å åpne" = "Could not open")
> 
> Looking around for other symptoms/non-symptoms
> 
> Heidi@panter ~
> $ cmd /C 'dir /Q C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps'
>  Volume in drive C is Acer
>  Volume Serial Number is 3A2C-1A76
> 
>  Directory of C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps
> 
> 26.12.2019  19.18    <DIR>          PANTER\Heidi           Backup
> 13.12.2019  22.52                 0 PANTER\Heidi           excel.exe
> 13.12.2019  14.28                 0 PANTER\Heidi          
> GameBarElevatedFT_Alias.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           idle.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           idle3.8.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           idle3.exe
> 12.11.2019  20.45    <DIR>          PANTER\Heidi          
> Microsoft.MicrosoftEdge_8wekyb3d8bbwe
> 13.12.2019  22.52    <DIR>          PANTER\Heidi          
> Microsoft.Office.Desktop_8wekyb3d8bbwe
> 13.12.2019  14.28    <DIR>          PANTER\Heidi          
> Microsoft.XboxGamingOverlay_8wekyb3d8bbwe
> 12.11.2019  20.45                 0 PANTER\Heidi           MicrosoftEdge.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           msaccess.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           msosync.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           msouc.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           msoxmled.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           mspub.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           outlook.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           pip.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           pip3.8.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           pip3.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           powerpnt.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           protocolhandler.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           python.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           python3.8.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           python3.exe
> 26.12.2019  19.25    <DIR>          PANTER\Heidi          
> PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0
> 26.12.2019  19.25                 0 PANTER\Heidi           pythonw.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           pythonw3.8.exe
> 26.12.2019  19.25                 0 PANTER\Heidi           pythonw3.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           sdxhelper.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           selfcert.exe
> 13.12.2019  22.52                 0 PANTER\Heidi           winword.exe
>               26 File(s)              0 bytes
>                5 Dir(s)  156 728 102 912 bytes free
> 
> Heidi@panter ~
> $ ls -l /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps
> totalt 12K
> drwx------+ 1 Heidi        Ingen         0 des 26 19:18 Backup/
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 excel.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 14:28
> GameBarElevatedFT_Alias.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 idle.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 idle3.8.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 idle3.exe*
> drwx------+ 1 Heidi        Ingen         0 nov 12 20:45
> Microsoft.MicrosoftEdge_8wekyb3d8bbwe/
> drwx------+ 1 Heidi        Ingen         0 des 13 22:52
> Microsoft.Office.Desktop_8wekyb3d8bbwe/
> drwx------+ 1 Heidi        Ingen         0 des 13 14:28
> Microsoft.XboxGamingOverlay_8wekyb3d8bbwe/
> -rwxr-x---  1 Unknown+User Unknown+Group 0 nov 12 20:45 MicrosoftEdge.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 msaccess.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 msosync.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 msouc.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 msoxmled.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 mspub.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 outlook.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pip.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pip3.8.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pip3.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 powerpnt.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 protocolhandler.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 python.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 python3.8.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 python3.exe*
> drwx------+ 1 Heidi        Ingen         0 des 26 19:25
> PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0/
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pythonw.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pythonw3.8.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 26 19:25 pythonw3.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 sdxhelper.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 selfcert.exe*
> -rwxr-x---  1 Unknown+User Unknown+Group 0 des 13 22:52 winword.exe*
> 
> I suspect it's Windows 10 playing some games. Are the files here some kind of
> junctions/symbolic links?
> Why do all the files have zero bytes?
> 
> Heidi@panter ~
> $ cmd /C 'dir /A C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps'
>  Volume in drive C is Acer
>  Volume Serial Number is 3A2C-1A76
> 
>  Directory of C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps
> 
> 26.12.2019  19.25    <DIR>          .
> 26.12.2019  19.25    <DIR>          ..
> 26.12.2019  19.18    <DIR>          Backup
> 13.12.2019  22.52                 0 excel.exe
> 13.12.2019  14.28                 0 GameBarElevatedFT_Alias.exe
> 26.12.2019  19.25                 0 idle.exe
> 26.12.2019  19.25                 0 idle3.8.exe
> 26.12.2019  19.25                 0 idle3.exe
> 12.11.2019  20.45    <DIR>          Microsoft.MicrosoftEdge_8wekyb3d8bbwe
> 13.12.2019  22.52    <DIR>          Microsoft.Office.Desktop_8wekyb3d8bbwe
> 13.12.2019  14.28    <DIR>          Microsoft.XboxGamingOverlay_8wekyb3d8bbwe
> 12.11.2019  20.45                 0 MicrosoftEdge.exe
> 13.12.2019  22.52                 0 msaccess.exe
> 13.12.2019  22.52                 0 msosync.exe
> 13.12.2019  22.52                 0 msouc.exe
> 13.12.2019  22.52                 0 msoxmled.exe
> 13.12.2019  22.52                 0 mspub.exe
> 13.12.2019  22.52                 0 outlook.exe
> 26.12.2019  19.25                 0 pip.exe
> 26.12.2019  19.25                 0 pip3.8.exe
> 26.12.2019  19.25                 0 pip3.exe
> 13.12.2019  22.52                 0 powerpnt.exe
> 13.12.2019  22.52                 0 protocolhandler.exe
> 26.12.2019  19.25                 0 python.exe
> 26.12.2019  19.25                 0 python3.8.exe
> 26.12.2019  19.25                 0 python3.exe
> 26.12.2019  19.25    <DIR>         
> PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0
> 26.12.2019  19.25                 0 pythonw.exe
> 26.12.2019  19.25                 0 pythonw3.8.exe
> 26.12.2019  19.25                 0 pythonw3.exe
> 13.12.2019  22.52                 0 sdxhelper.exe
> 13.12.2019  22.52                 0 selfcert.exe
> 13.12.2019  22.52                 0 winword.exe
>               26 File(s)              0 bytes
>                7 Dir(s)  156 728 201 216 bytes free
> 
> I'm not sure if DIR /A is reliable in this context. A different approach:
> 
> Heidi@panter ~
> $ locate python3.8.exe | xargs -d '\n' /bin/ls -l
> -rwxrwx---+ 1 SYSTEM       SYSTEM        226888 des 26 19:25
> '/cygdrive/c/Program
> Files/WindowsApps/PythonSoftwareFoundation.Python.3.8_3.8.496.0_x64__qbz5n2kfra8p0/python3.8.exe'
> 
> -rwxr-x---  1 Unknown+User Unknown+Group      0 des 26 19:25 
> /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/python3.8.exe
> -rwxr-x---  1 Unknown+User Unknown+Group      0 des 26 19:25 
> /cygdrive/c/Users/Heidi/AppData/Local/Microsoft/WindowsApps/PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0/python3.8.exe
> 
> 
> So here is finally a file with a positive byte count.
> 
> Heidi@panter ~
> $ ls -l '/cygdrive/c/Program Files/WindowsApps'
> ls: klarte ikke å åpne mappa '/cygdrive/c/Program Files/WindowsApps': Permission
> denied
> 
> (Could not open the folder ...)
> 
> Running mintty as Administrator, I do get...
> [snip many other directories, a few owned by TrustedInstaller, most by SYSTEM]
> drwxrwx---+ 1 SYSTEM                      SYSTEM                      0 des 26
> 19:25 PythonSoftwareFoundation.Python.3.8_3.8.496.0_x64__qbz5n2kfra8p0/
> [snip]
> 
> Yet it does not work to run python in the elevated bash.
> 
> This python was installed using Microsoft Store. I will probably have to revert
> to the regular download from python.org
> However, it remains interesting that I can run this python from an un-elevated
> cmd, not from mintty/bash, not even if elevated.
> 
> Update: I tried this in an elevated mintty/bash:
> 
> Heidi@panter ~
> $ fsutil.exe reparsepoint query
> 'C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe'
> Reparse Tag Value : 0x8000001b
> Tag value: Microsoft
> 
> Reparse Data Length: 0x000001b6
> Reparse Data:
> 0000:  03 00 00 00 50 00 79 00  74 00 68 00 6f 00 6e 00  ....P.y.t.h.o.n.
> 0010:  53 00 6f 00 66 00 74 00  77 00 61 00 72 00 65 00  S.o.f.t.w.a.r.e.
> 0020:  46 00 6f 00 75 00 6e 00  64 00 61 00 74 00 69 00  F.o.u.n.d.a.t.i.
> 0030:  6f 00 6e 00 2e 00 50 00  79 00 74 00 68 00 6f 00  o.n...P.y.t.h.o.
> 0040:  6e 00 2e 00 33 00 2e 00  38 00 5f 00 71 00 62 00  n...3...8._.q.b.
> 0050:  7a 00 35 00 6e 00 32 00  6b 00 66 00 72 00 61 00  z.5.n.2.k.f.r.a.
> 0060:  38 00 70 00 30 00 00 00  50 00 79 00 74 00 68 00  8.p.0...P.y.t.h.
> 0070:  6f 00 6e 00 53 00 6f 00  66 00 74 00 77 00 61 00  o.n.S.o.f.t.w.a.
> 0080:  72 00 65 00 46 00 6f 00  75 00 6e 00 64 00 61 00  r.e.F.o.u.n.d.a.
> 0090:  74 00 69 00 6f 00 6e 00  2e 00 50 00 79 00 74 00  t.i.o.n...P.y.t.
> 00a0:  68 00 6f 00 6e 00 2e 00  33 00 2e 00 38 00 5f 00  h.o.n...3...8._.
> 00b0:  71 00 62 00 7a 00 35 00  6e 00 32 00 6b 00 66 00  q.b.z.5.n.2.k.f.
> 00c0:  72 00 61 00 38 00 70 00  30 00 21 00 50 00 79 00  r.a.8.p.0.!.P.y.
> 00d0:  74 00 68 00 6f 00 6e 00  00 00 43 00 3a 00 5c 00  t.h.o.n...C.:.\.
> 00e0:  50 00 72 00 6f 00 67 00  72 00 61 00 6d 00 20 00  P.r.o.g.r.a.m. .
> 00f0:  46 00 69 00 6c 00 65 00  73 00 5c 00 57 00 69 00  F.i.l.e.s.\.W.i.
> 0100:  6e 00 64 00 6f 00 77 00  73 00 41 00 70 00 70 00  n.d.o.w.s.A.p.p.
> 0110:  73 00 5c 00 50 00 79 00  74 00 68 00 6f 00 6e 00  s.\.P.y.t.h.o.n.
> 0120:  53 00 6f 00 66 00 74 00  77 00 61 00 72 00 65 00  S.o.f.t.w.a.r.e.
> 0130:  46 00 6f 00 75 00 6e 00  64 00 61 00 74 00 69 00  F.o.u.n.d.a.t.i.
> 0140:  6f 00 6e 00 2e 00 50 00  79 00 74 00 68 00 6f 00  o.n...P.y.t.h.o.
> 0150:  6e 00 2e 00 33 00 2e 00  38 00 5f 00 33 00 2e 00  n...3...8._.3...
> 0160:  38 00 2e 00 34 00 39 00  36 00 2e 00 30 00 5f 00  8...4.9.6...0._.
> 0170:  78 00 36 00 34 00 5f 00  5f 00 71 00 62 00 7a 00  x.6.4._._.q.b.z.
> 0180:  35 00 6e 00 32 00 6b 00  66 00 72 00 61 00 38 00  5.n.2.k.f.r.a.8.
> 0190:  70 00 30 00 5c 00 70 00  79 00 74 00 68 00 6f 00  p.0.\.p.y.t.h.o.
> 01a0:  6e 00 33 00 2e 00 38 00  2e 00 65 00 78 00 65 00  n.3...8...e.x.e.
> 01b0:  00 00 30 00 00 00                                 ..0...
> 
> I downloaded junction.exe from sysinternals, but...
> 
> Heidi@panter ~
> $ junction 'C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe'
> 
> Junction v1.07 - Creates and lists directory links
> Copyright (C) 2005-2016 Mark Russinovich
> Sysinternals - www.sysinternals.com
> 
> C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe: UNKNOWN
> MICROSOFT REPARSE POINT
> 
> So I did a quick perl hack:
> 
> $ fsutil.exe reparsepoint query
> 'C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps\python3.exe' | perl -ne
> '/^\d/ || next; for(/\b([0-9a-f]{2})\b/g) {print chr(hex($_)) if hex($_)>31;}'
> PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0!PythonC:\Program
> Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.496.0_x64__qbz5n2kfra8p0\python3.8.exe0
https://stackoverflow.com/questions/58296925/what-is-zero-byte-executable-files-in-windows#comment102978067_58296925

"This is a special type of app-execution reparse point that's used to set up the
security context for running a UWP app. CreateProcessW reparses this internally
in order to allow individual users to run a particular app."

$ for exe in AppData/Local/Microsoft/WindowsApps/*.exe; do
	e=${exe##*/}
	[ \! -s $exe ] && echo $'\n'$e && \
	fsutil reparsepoint query 'AppData\Local\Microsoft\WindowsApps\'$e
done

debian.exe
Reparse Tag Value : 0x8000001b
Tag value: Microsoft

Reparse Data Length: 0x00000194
Reparse Data:
0000:  03 00 00 00 54 00 68 00  65 00 44 00 65 00 62 00  ....T.h.e.D.e.b.
0010:  69 00 61 00 6e 00 50 00  72 00 6f 00 6a 00 65 00  i.a.n.P.r.o.j.e.
0020:  63 00 74 00 2e 00 44 00  65 00 62 00 69 00 61 00  c.t...D.e.b.i.a.
0030:  6e 00 47 00 4e 00 55 00  4c 00 69 00 6e 00 75 00  n.G.N.U.L.i.n.u.
0040:  78 00 5f 00 37 00 36 00  76 00 34 00 67 00 66 00  x._.7.6.v.4.g.f.
0050:  73 00 7a 00 31 00 39 00  68 00 76 00 34 00 00 00  s.z.1.9.h.v.4...
0060:  54 00 68 00 65 00 44 00  65 00 62 00 69 00 61 00  T.h.e.D.e.b.i.a.
0070:  6e 00 50 00 72 00 6f 00  6a 00 65 00 63 00 74 00  n.P.r.o.j.e.c.t.
0080:  2e 00 44 00 65 00 62 00  69 00 61 00 6e 00 47 00  ..D.e.b.i.a.n.G.
0090:  4e 00 55 00 4c 00 69 00  6e 00 75 00 78 00 5f 00  N.U.L.i.n.u.x._.
00a0:  37 00 36 00 76 00 34 00  67 00 66 00 73 00 7a 00  7.6.v.4.g.f.s.z.
00b0:  31 00 39 00 68 00 76 00  34 00 21 00 64 00 65 00  1.9.h.v.4.!.d.e.
00c0:  62 00 69 00 61 00 6e 00  00 00 43 00 3a 00 5c 00  b.i.a.n...C.:.\.
00d0:  50 00 72 00 6f 00 67 00  72 00 61 00 6d 00 20 00  P.r.o.g.r.a.m. .
00e0:  46 00 69 00 6c 00 65 00  73 00 5c 00 57 00 69 00  F.i.l.e.s.\.W.i.
00f0:  6e 00 64 00 6f 00 77 00  73 00 41 00 70 00 70 00  n.d.o.w.s.A.p.p.
0100:  73 00 5c 00 54 00 68 00  65 00 44 00 65 00 62 00  s.\.T.h.e.D.e.b.
0110:  69 00 61 00 6e 00 50 00  72 00 6f 00 6a 00 65 00  i.a.n.P.r.o.j.e.
0120:  63 00 74 00 2e 00 44 00  65 00 62 00 69 00 61 00  c.t...D.e.b.i.a.
0130:  6e 00 47 00 4e 00 55 00  4c 00 69 00 6e 00 75 00  n.G.N.U.L.i.n.u.
0140:  78 00 5f 00 31 00 2e 00  31 00 2e 00 37 00 2e 00  x._.1...1...7...
0150:  30 00 5f 00 78 00 36 00  34 00 5f 00 5f 00 37 00  0._.x.6.4._._.7.
0160:  36 00 76 00 34 00 67 00  66 00 73 00 7a 00 31 00  6.v.4.g.f.s.z.1.
0170:  39 00 68 00 76 00 34 00  5c 00 64 00 65 00 62 00  9.h.v.4.\.d.e.b.
0180:  69 00 61 00 6e 00 2e 00  65 00 78 00 65 00 00 00  i.a.n...e.x.e...
0190:  30 00 00 00                                       0...

fedoraremix.exe
Reparse Tag Value : 0x8000001b
Tag value: Microsoft

Reparse Data Length: 0x000001d6
Reparse Data:
0000:  03 00 00 00 57 00 68 00  69 00 74 00 65 00 77 00  ....W.h.i.t.e.w.
0010:  61 00 74 00 65 00 72 00  46 00 6f 00 75 00 6e 00  a.t.e.r.F.o.u.n.
0020:  64 00 72 00 79 00 4c 00  74 00 64 00 2e 00 43 00  d.r.y.L.t.d...C.
0030:  6f 00 2e 00 46 00 65 00  64 00 6f 00 72 00 61 00  o...F.e.d.o.r.a.
0040:  52 00 65 00 6d 00 69 00  78 00 66 00 6f 00 72 00  R.e.m.i.x.f.o.r.
0050:  57 00 53 00 4c 00 5f 00  73 00 35 00 66 00 64 00  W.S.L._.s.5.f.d.
0060:  38 00 6e 00 34 00 39 00  6d 00 79 00 71 00 68 00  8.n.4.9.m.y.q.h.
0070:  6d 00 00 00 57 00 68 00  69 00 74 00 65 00 77 00  m...W.h.i.t.e.w.
0080:  61 00 74 00 65 00 72 00  46 00 6f 00 75 00 6e 00  a.t.e.r.F.o.u.n.
0090:  64 00 72 00 79 00 4c 00  74 00 64 00 2e 00 43 00  d.r.y.L.t.d...C.
00a0:  6f 00 2e 00 46 00 65 00  64 00 6f 00 72 00 61 00  o...F.e.d.o.r.a.
00b0:  52 00 65 00 6d 00 69 00  78 00 66 00 6f 00 72 00  R.e.m.i.x.f.o.r.
00c0:  57 00 53 00 4c 00 5f 00  73 00 35 00 66 00 64 00  W.S.L._.s.5.f.d.
00d0:  38 00 6e 00 34 00 39 00  6d 00 79 00 71 00 68 00  8.n.4.9.m.y.q.h.
00e0:  6d 00 21 00 57 00 4c 00  45 00 00 00 43 00 3a 00  m.!.W.L.E...C.:.
00f0:  5c 00 50 00 72 00 6f 00  67 00 72 00 61 00 6d 00  \.P.r.o.g.r.a.m.
0100:  20 00 46 00 69 00 6c 00  65 00 73 00 5c 00 57 00   .F.i.l.e.s.\.W.
0110:  69 00 6e 00 64 00 6f 00  77 00 73 00 41 00 70 00  i.n.d.o.w.s.A.p.
0120:  70 00 73 00 5c 00 57 00  68 00 69 00 74 00 65 00  p.s.\.W.h.i.t.e.
0130:  77 00 61 00 74 00 65 00  72 00 46 00 6f 00 75 00  w.a.t.e.r.F.o.u.
0140:  6e 00 64 00 72 00 79 00  4c 00 74 00 64 00 2e 00  n.d.r.y.L.t.d...
0150:  43 00 6f 00 2e 00 46 00  65 00 64 00 6f 00 72 00  C.o...F.e.d.o.r.
0160:  61 00 52 00 65 00 6d 00  69 00 78 00 66 00 6f 00  a.R.e.m.i.x.f.o.
0170:  72 00 57 00 53 00 4c 00  5f 00 31 00 2e 00 33 00  r.W.S.L._.1...3.
0180:  30 00 2e 00 31 00 2e 00  30 00 5f 00 78 00 36 00  0...1...0._.x.6.
0190:  34 00 5f 00 5f 00 73 00  35 00 66 00 64 00 38 00  4._._.s.5.f.d.8.
01a0:  6e 00 34 00 39 00 6d 00  79 00 71 00 68 00 6d 00  n.4.9.m.y.q.h.m.
01b0:  5c 00 66 00 65 00 64 00  6f 00 72 00 61 00 72 00  \.f.e.d.o.r.a.r.
01c0:  65 00 6d 00 69 00 78 00  2e 00 65 00 78 00 65 00  e.m.i.x...e.x.e.
01d0:  00 00 30 00 00 00                                 ..0...

GameBarElevatedFT_Alias.exe
Reparse Tag Value : 0x8000001b
Tag value: Microsoft

Reparse Data Length: 0x00000194
Reparse Data:
0000:  03 00 00 00 4d 00 69 00  63 00 72 00 6f 00 73 00  ....M.i.c.r.o.s.
0010:  6f 00 66 00 74 00 2e 00  58 00 62 00 6f 00 78 00  o.f.t...X.b.o.x.
0020:  47 00 61 00 6d 00 69 00  6e 00 67 00 4f 00 76 00  G.a.m.i.n.g.O.v.
0030:  65 00 72 00 6c 00 61 00  79 00 5f 00 38 00 77 00  e.r.l.a.y._.8.w.
0040:  65 00 6b 00 79 00 62 00  33 00 64 00 38 00 62 00  e.k.y.b.3.d.8.b.
0050:  62 00 77 00 65 00 00 00  4d 00 69 00 63 00 72 00  b.w.e...M.i.c.r.
0060:  6f 00 73 00 6f 00 66 00  74 00 2e 00 58 00 62 00  o.s.o.f.t...X.b.
0070:  6f 00 78 00 47 00 61 00  6d 00 69 00 6e 00 67 00  o.x.G.a.m.i.n.g.
0080:  4f 00 76 00 65 00 72 00  6c 00 61 00 79 00 5f 00  O.v.e.r.l.a.y._.
0090:  38 00 77 00 65 00 6b 00  79 00 62 00 33 00 64 00  8.w.e.k.y.b.3.d.
00a0:  38 00 62 00 62 00 77 00  65 00 21 00 41 00 70 00  8.b.b.w.e.!.A.p.
00b0:  70 00 00 00 43 00 3a 00  5c 00 50 00 72 00 6f 00  p...C.:.\.P.r.o.
00c0:  67 00 72 00 61 00 6d 00  20 00 46 00 69 00 6c 00  g.r.a.m. .F.i.l.
00d0:  65 00 73 00 5c 00 57 00  69 00 6e 00 64 00 6f 00  e.s.\.W.i.n.d.o.
00e0:  77 00 73 00 41 00 70 00  70 00 73 00 5c 00 4d 00  w.s.A.p.p.s.\.M.
00f0:  69 00 63 00 72 00 6f 00  73 00 6f 00 66 00 74 00  i.c.r.o.s.o.f.t.
0100:  2e 00 58 00 62 00 6f 00  78 00 47 00 61 00 6d 00  ..X.b.o.x.G.a.m.
0110:  69 00 6e 00 67 00 4f 00  76 00 65 00 72 00 6c 00  i.n.g.O.v.e.r.l.
0120:  61 00 79 00 5f 00 33 00  2e 00 33 00 36 00 2e 00  a.y._.3...3.6...
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0140:  36 00 34 00 5f 00 5f 00  38 00 77 00 65 00 6b 00  6.4._._.8.w.e.k.
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0160:  65 00 5c 00 47 00 61 00  6d 00 65 00 42 00 61 00  e.\.G.a.m.e.B.a.
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0180:  64 00 46 00 54 00 2e 00  65 00 78 00 65 00 00 00  d.F.T...e.x.e...
0190:  30 00 00 00                                       0...

MicrosoftEdge.exe
Reparse Tag Value : 0x8000001b
Tag value: Microsoft

Reparse Data Length: 0x00000110
Reparse Data:
0000:  03 00 00 00 4d 00 69 00  63 00 72 00 6f 00 73 00  ....M.i.c.r.o.s.
0010:  6f 00 66 00 74 00 2e 00  4d 00 69 00 63 00 72 00  o.f.t...M.i.c.r.
0020:  6f 00 73 00 6f 00 66 00  74 00 45 00 64 00 67 00  o.s.o.f.t.E.d.g.
0030:  65 00 5f 00 38 00 77 00  65 00 6b 00 79 00 62 00  e._.8.w.e.k.y.b.
0040:  33 00 64 00 38 00 62 00  62 00 77 00 65 00 00 00  3.d.8.b.b.w.e...
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0080:  38 00 77 00 65 00 6b 00  79 00 62 00 33 00 64 00  8.w.e.k.y.b.3.d.
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0100:  72 00 2e 00 65 00 78 00  65 00 00 00 31 00 00 00  r...e.x.e...1...

-- 
-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

This email may be disturbing to some readers as it contains
too much technical detail. Reader discretion is advised.

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: bash /cmd disagree about owner and permissions to executable
  2019-12-30 23:10     ` Brian Inglis
@ 2020-01-06 17:01       ` Ubuntu
  0 siblings, 0 replies; 6+ messages in thread
From: Ubuntu @ 2020-01-06 17:01 UTC (permalink / raw)
  To: cygwin, Brian Inglis

To recap, after removing excessive terminal output documentation in earlier mails:

> I installed python3.8 from the "Microsoft Store".
> Then I could run "python3 myscript.py" in a 'cmd' terminal but not in a mintty/bash terminal.
> The bash terminal gave "permission denied".
> 
> Investigating, I found that the PATH variable pointed to a python3.exe in the directory
> C:\Users\Heidi\AppData\Local\Microsoft\WindowsApps.
> 
> Using /bin/ls or using "cmd /c dir /q" would display different owners:
>
> > ls:  -rwxr-x--- 1 Unknown+User Unknown+Group 0 des 26 19:25     python3.exe
> > cmd: 26.12.2019  19.25                 0 PANTER\Heidi           python3.exe
>
> Noting the byte count of zero, I found the file is a reparse point of some "unknown Microsoft" type pointing to
>
> > C:\Program Files\WindowsApps\<very long folder name>\python3.8.exe
>
> (The reparse point type was "unknown" as per Mark Russnivitch's fsutil.exe of 2005.)
> 
> The permissions on "Program Files\WindowsApps" are quite restricted indeed.




On Mon, Dec 30, 2019 at 01:35:53PM -0700, Brian Inglis wrote:
> https://stackoverflow.com/questions/58296925/what-is-zero-byte-executable-files-in-windows#comment102978067_58296925
> 
> "This is a special type of app-execution reparse point that's used to set up the
> security context for running a UWP app. CreateProcessW reparses this internally
> in order to allow individual users to run a particular app."

Very interesting indeed.

But one important question remains: Why do we get "Permission Denied" when 
running from bash, not when running from cmd?

Some derived questions:

Doesn't bash call CreateProcessW?

Should it?

If "CreateProcessW reparses this internally in order to allow individual
users to run a particular app", how does CreateProcessW do that?

What does it base its decisions on?

Has Microsoft implemented a new, competing security system?

Where does the new security system store the permissions?

Are we going to see more and more Windows program becoming
unavailable to Cygwin?

Does cygwin need to reverse engineer this new security system?

Besides I notice that I can do "cygstart myscript.py", and the program runs.
However, it runs in a cmd window that disappears immediately upon termination.


Regards, 
Enrique Perez-Terron

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Problem reports:       http://cygwin.com/problems.html
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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-01-06 17:01 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-12-26 21:05 bash /cmd disagree about owner and permissions to executable Enrique Perez-Terron
2019-12-26 21:49 ` Andrey Repin
2019-12-30  3:37   ` Enrique Perez-Terron
2019-12-30 23:10     ` Brian Inglis
2020-01-06 17:01       ` Ubuntu
2019-12-27  4:51 ` Lee

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