[Bug 1522650] Re: the user namespace in ubuntu 15.04 can not run correctly

[Launchpad Bug Tracker]

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

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

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to coreutils in Ubuntu.
https://bugs.launchpad.net/bugs/1522650

Title:
  the user namespace in ubuntu 15.04 can not run correctly

Status in coreutils package in Ubuntu:
  Expired

Bug description:
  Following this guide

  http://manpages.ubuntu.com/manpages/wily/man7/user_namespaces.7.html

  
  And run this program on ubuntu 15.04, it would have exception

  System information as following:

  
  Linux 3.19.0-30-generic
  ubuntu at testtmp:~$ id -u
  1000
  ubuntu at testtmp:~$ id -g
  1000
  ubuntu at testtmp:~$ ./userns_child_exec -p -m -U -M '0 1000 1' -G '0 1000 1' bash
  ERROR: write /proc/5629/gid_map: Operation not permitted
  About to exec bash
  ubuntu at testtmp:~$ root at testtmp:~#

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/coreutils/+bug/1522650/+subscriptions