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[Bug 1256988] Re: netns: crash during namespace destroy

 

** Also affects: linux (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Quantal)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Raring)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Raring)
       Status: New => Fix Released

** Changed in: linux (Ubuntu Precise)
     Assignee: (unassigned) => Chris J Arges (arges)

** Changed in: linux (Ubuntu Quantal)
     Assignee: (unassigned) => Chris J Arges (arges)

** Changed in: linux (Ubuntu)
     Assignee: Chris J Arges (arges) => (unassigned)

** Changed in: linux (Ubuntu)
       Status: In Progress => Fix Released

** Changed in: linux (Ubuntu Precise)
       Status: New => In Progress

** Changed in: linux (Ubuntu Quantal)
       Status: New => In Progress

** Changed in: linux (Ubuntu Precise)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Quantal)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Importance: Medium => Undecided

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https://bugs.launchpad.net/bugs/1256988

Title:
  netns: crash during namespace destroy

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Precise:
  In Progress
Status in “linux” source package in Quantal:
  In Progress
Status in “linux” source package in Raring:
  Fix Released

Bug description:
  [Impact]
  * When restoring an iptable in a network namespace, if the network namespace is deleted the kernel crashes.

  [Test Case]
  $ sudo -s
  # ip netns add foobar
  # ip netns exec foobar iptables -A OUTPUT -m recent --rcheck --rsource
  # ip netns del foobar

  [Regression Potential]
  * The following patches fix the issue:
  665e205c1
  32263dd1b
  http://patchwork.ozlabs.org/patch/294312/

  Two are upstream patches, while the last one hasn't been accepted
  upstream yet.

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References