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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
precise' to 'verification-done-precise'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-precise

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https://bugs.launchpad.net/bugs/1326905

Title:
  precise has wrong PTRACE_EVENT_SECCOMP value

Status in “linux” package in Ubuntu:
  Triaged
Status in “linux” source package in Precise:
  Triaged

Bug description:
  In v3.2, there was confusion over the new "PTRACE_EVENT_EXIT" value.
  Ultimately, upstream fixed it, but in the precise backporting of
  seccomp, the wrong value was used:
  5cdf389aee90109e2e3d88085dea4dd5508a3be7

  As a result, seccomp filteres expecting ptrace managers don't work
  correctly on precise.

  The attached patch backports the upstream PTRACE_EVENT_EXIT value and
  restores the correct PTRACE_EVENT_SECCOMP value.

  SRU Justification:
  Impact: seccomp filters using ptrace managers don't work on precise
  Fix: fix ptrace flag numbering to match all other released kernel versions
  Testcase: https://github.com/kees/seccomp/tree/ptrace

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