Powershell: Crash when attempting to run Invoke-Command on Linux

[praveenbhamidipati]

Steps to reproduce

1. Execute the following: powershell -Command 'Invoke-Command -ComputerName localhost -ScriptBlock {$PSVersionTable}'
   

   Expected behavior

Powershell to give out an error if the cmdlet is not supported

Actual behavior

Powershell crashes

GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.04) 7.11.1
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Reading symbols from /opt/utilities/microsoft/powershell/6.0.0-alpha.11/powershell...(no debugging symbols found)...done.
(gdb) run -Command '$PSVersionTable'
Starting program: /opt/utilities/microsoft/powershell/6.0.0-alpha.11/powershell -Command '$PSVersionTable'
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff54cb700 (LWP 1287)]
[New Thread 0x7ffff4cca700 (LWP 1289)]
[New Thread 0x7ffff44c9700 (LWP 1291)]
[New Thread 0x7ffff394f700 (LWP 1292)]
[New Thread 0x7ffff0561700 (LWP 1295)]
[New Thread 0x7fffefd60700 (LWP 1296)]
[New Thread 0x7fffef55f700 (LWP 1297)]
[New Thread 0x7fffeed5e700 (LWP 1298)]
[New Thread 0x7fff57ffd700 (LWP 1299)]
[New Thread 0x7fff577fc700 (LWP 1300)]
[New Thread 0x7fff567bb700 (LWP 1301)]

Name                           Value                                          
----                           -----                                          
PSVersion                      6.0.0-alpha                                    
PSEdition                      Core                                           
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}                        
BuildVersion                   3.0.0.0                                        
GitCommitId                    v6.0.0-alpha.11                                
CLRVersion                                                                    
WSManStackVersion              3.0                                            
PSRemotingProtocolVersion      2.3                                            
SerializationVersion           1.1.0.1                                        


[Thread 0x7fff567bb700 (LWP 1301) exited]
[New Thread 0x7fff567bb700 (LWP 1302)]
[Thread 0x7fff567bb700 (LWP 1302) exited]
[Thread 0x7fff577fc700 (LWP 1300) exited]
[Thread 0x7fff57ffd700 (LWP 1299) exited]
[Thread 0x7fffeed5e700 (LWP 1298) exited]
[Thread 0x7fffef55f700 (LWP 1297) exited]
[Thread 0x7fffefd60700 (LWP 1296) exited]
[Thread 0x7ffff0561700 (LWP 1295) exited]
[Thread 0x7ffff394f700 (LWP 1292) exited]
[Thread 0x7ffff44c9700 (LWP 1291) exited]
[Thread 0x7ffff4cca700 (LWP 1289) exited]
[Thread 0x7ffff54cb700 (LWP 1287) exited]
[Inferior 1 (process 1283) exited normally]
(gdb) run -Command 'Invoke-Command -ComputerName localhost -ScriptBlock {$PSVersionTable}'
Starting program: /opt/utilities/microsoft/powershell/6.0.0-alpha.11/powershell -Command 'Invoke-Command -ComputerName localhost -ScriptBlock {$PSVersionTable}'
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff54cb700 (LWP 1309)]
[New Thread 0x7ffff4cca700 (LWP 1310)]
[New Thread 0x7ffff44c9700 (LWP 1311)]
[New Thread 0x7ffff394f700 (LWP 1312)]
[New Thread 0x7ffff0561700 (LWP 1313)]
[New Thread 0x7fffefd60700 (LWP 1314)]
[New Thread 0x7fffef55f700 (LWP 1315)]
[New Thread 0x7fffeed5e700 (LWP 1316)]
[New Thread 0x7fff57ffd700 (LWP 1319)]
[New Thread 0x7fff577fc700 (LWP 1320)]
[New Thread 0x7fff5674d700 (LWP 1321)]

Thread 5 "powershell" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff394f700 (LWP 1312)]
0x00007fff7fa1e328 in ?? ()
(gdb) bt
#0  0x00007fff7fa1e328 in ?? ()
#1  0x00007ffff394e970 in ?? ()
#2  0x00007fff582c65e0 in ?? ()
#3  0x0000000000000000 in ?? ()

Environment data

> $PSVersionTable
Name                           Value                                          
----                           -----                                          
PSVersion                      6.0.0-alpha                                    
PSEdition                      Core                                           
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}                        
BuildVersion                   3.0.0.0                                        
GitCommitId                    v6.0.0-alpha.11                                
CLRVersion                                                                    
WSManStackVersion              3.0                                            
PSRemotingProtocolVersion      2.3                                            
SerializationVersion           1.1.0.1                                        

> uname -a
Linux somebody-lubuntu 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS"

[randomvariable]

This no longer crashes, as least in Alpha 14

Instead, we get MI_RESULT_ACCESS_DENIED, which is possibly obscure but correct given the lack of WinRM.

PS /> powershell -Command 'Invoke-Command -ComputerName localhost -ScriptBlock {$PSVersionTable}'
Invoke-Command : MI_RESULT_ACCESS_DENIED
At line:1 char:1
+ Invoke-Command -ComputerName localhost -ScriptBlock {$PSVersionTable}
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : InvalidOperation: (:) [Invoke-Command], PSInvalidOperationException
+ FullyQualifiedErrorId : InvalidOperation,Microsoft.PowerShell.Commands.InvokeCommandCommand    

[SteveL-MSFT]

No longer repros