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[Bug 1952721] [NEW] passwd: insert a blank space in /etc/shadow

 

Public bug reported:

Hello,
I am using multipass 1.8.0.+win with a config file called cloud-init.yaml. I create my own user and insert the hash password of my user like that:

users:
  - default
  - name: jpcozar
    groups: sudo
    shell: /bin/bash
    sudo:  ALL=(ALL) NOPASSWD:ALL
    passwd: $6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc.

Once multipass has created the virtual machine, I can't login with
user/passwd. If I check /etc/shadow, it inserts a blank space after
"<login>:" so I can't login.

jpcozar:
$6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc.:18961:0:99999:7:::

If I delete, such space, I can login
jpcozar:$6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc.:18961:0:99999:7:::

I have tried other options in cloud-init.yaml like
passwd:$6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc.

and it returns syntax error

or 
passwd: "$6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc."
and it generates such blank spaces.

** Affects: cloud-init
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1952721

Title:
  passwd:  insert a blank space in /etc/shadow

Status in cloud-init:
  New

Bug description:
  Hello,
  I am using multipass 1.8.0.+win with a config file called cloud-init.yaml. I create my own user and insert the hash password of my user like that:

  users:
    - default
    - name: jpcozar
      groups: sudo
      shell: /bin/bash
      sudo:  ALL=(ALL) NOPASSWD:ALL
      passwd: $6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc.

  Once multipass has created the virtual machine, I can't login with
  user/passwd. If I check /etc/shadow, it inserts a blank space after
  "<login>:" so I can't login.

  jpcozar:
  $6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc.:18961:0:99999:7:::

  If I delete, such space, I can login
  jpcozar:$6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc.:18961:0:99999:7:::

  I have tried other options in cloud-init.yaml like
  passwd:$6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc.

  and it returns syntax error

  or 
  passwd: "$6$ZE4Us0phF$/gVyOLzLIKI6uxCjYmkNnLxmtyZcicmZ8pXFTMM0P9TG14egqPDVm066uacHsuFw9vH1/i2fx5vTWpD/C//qc."
  and it generates such blank spaces.

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