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[Chris J Arges <1110605@xxxxxxxxxxxxxxxxxx>]

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

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

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https://bugs.launchpad.net/bugs/1110605

Title:
  race in fsnotify subsystem causes kernel oops

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

Bug description:
  This race can be triggered by plugging and unplugging a usb disk. See
  previous bugs for backtraces.

  Related upstream bug:
  https://bugzilla.kernel.org/show_bug.cgi?id=22602

  Previous bug(s):
  Originally reported in bug 922906.
  After this was properly mainlined it we re-applied in bug 1096137.
  However a regression was found in bug 1101666.

  This bug aims at fixing the original test case presented in the kernel
  bug along with the regression test case.

  [Test Case]
  The attachment lp1110605-testcase.tar contains the files needed to reproduce the original bug and regression. Download and extract this to a target machine.

  To test original issue:
  gcc inotify_test.c -o inotify_test
  inotify_test &
  ./mount_unmount.sh

  To test regression:
  ./regression_test.sh

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