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pidns: Add setns support
authorEric W. Biederman <ebiederm@xmission.com>
Mon, 8 Mar 2010 02:17:03 +0000 (18:17 -0800)
committerEric W. Biederman <ebiederm@xmission.com>
Mon, 19 Nov 2012 13:59:14 +0000 (05:59 -0800)
commit57e8391d327609cbf12d843259c968b9e5c1838f
tree53a5750360300da641fea08890bb531789ffba91tree | snapshot (tar.gz zip)
parent225778d68d98e7cfe2579f8d8b2d7b76f8541b8bcommit | diff
pidns: Add setns support

- Pid namespaces are designed to be inescapable so verify that the
  passed in pid namespace is a child of the currently active
  pid namespace or the currently active pid namespace itself.

  Allowing the currently active pid namespace is important so
  the effects of an earlier setns can be cancelled.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
fs/proc/namespaces.c diff | blob | blame | history
include/linux/proc_fs.h diff | blob | blame | history
kernel/pid_namespace.c diff | blob | blame | history