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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

** Tags removed: verification-needed-vivid
** Tags added: verification-done-vivid

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https://bugs.launchpad.net/bugs/1496073

Title:
  Request cherry-pick of upstream kernel patch which caps
  SECCOMP_RET_ERRNO to MAX_ERRNO

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  Fix Committed

Bug description:
  The seccomp regression tests are failing due to SRU kernels not having
  the relevant commit:

  Author: Kees Cook <keescook@xxxxxxxxxxxx>
  Date:   Tue Feb 17 13:48:00 2015 -0800

      seccomp: cap SECCOMP_RET_ERRNO data to MAX_ERRNO

      The value resulting from the SECCOMP_RET_DATA mask could exceed MAX_ERRNO
      when setting errno during a SECCOMP_RET_ERRNO filter action.  This makes
      sure we have a reliable value being set, so that an invalid errno will not
      be ignored by userspace.

      Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
      Reported-by: Dmitry V. Levin <ldv@xxxxxxxxxxxx>
      Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
      Cc: Will Drewry <wad@xxxxxxxxxxxx>
      Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
      Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

  SRU Justification

      Impact:
          Upstream regression tests are reporting errors.

      Test Case:
          Run the upstream regression tests and verify they are passing
          cleanly.

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