[Bug 196718] kern_fcntl_freebsd() spills beyond old lock structure

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=196718

--- Comment #1 from commit-hook at freebsd.org ---
A commit references this bug:

Author: kib
Date: Wed Jul  8 13:19:15 UTC 2015
New revision: 285269
URL: https://svnweb.freebsd.org/changeset/base/285269

Log:
  Handle copyout for the fcntl(F_OGETLK) using oflock structure.
  Otherwise, kernel overwrites a word past the destination.

  Submitted by:    walter at pelissero.de
  PR:    196718
  MFC after:    1 week

Changes:
  head/sys/kern/kern_descrip.c

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