[Bug 340095] Re: Race condition with two concurrent adduser processes

Launchpad Bug Tracker 340095 at bugs.launchpad.net
Thu Dec 17 04:17:26 UTC 2015


[Expired for adduser (Ubuntu) because there has been no activity for 60
days.]

** Changed in: adduser (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/340095

Title:
  Race condition with two concurrent adduser processes

Status in adduser package in Ubuntu:
  Expired

Bug description:
  Description:    Ubuntu 8.04.2
  Release:        8.04

  adduser:
    Installed: 3.105ubuntu1
    Candidate: 3.105ubuntu1
    Version table:
   *** 3.105ubuntu1 0
          500 file: hardy/main Packages
          100 /var/lib/dpkg/status

  Two adduser processes were run at the same time by different
  administrators. This triggers a race condition where they can both
  select the same UID and therefore the second process fails. While an
  obscure race condition, it still does happen.

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