[Bug 1134220] Re: passwd does not change disk encryption password resulting in an unsuable system

[Tyler Hicks]

As I mentioned in comment #1, this would cause the same problem:

$ sudo passwd jistanidiot

You wouldn't be prompted for jistanidiot's password and the eCryptfs
mount passphrase couldn't be unwrapped in order to be rewrapped.

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https://bugs.launchpad.net/bugs/1134220

Title:
  passwd does not change disk encryption password resulting in an
  unsuable system

Status in “shadow” package in Ubuntu:
  Invalid

Bug description:
  Change the user's password via /usr/bin/passwd
  Reboot.  Try to login.  The login will be aborted with an error of lnusertemp thinks /tmp is full. 
  To fix it you have to login to the command line and run ecryptfs-mount-private followed by ecryptfs-rewrap-passphrase ~/.ecryptfs/wrapped-passphrase and use the password used with passwd.

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