Comment 42 for bug 1630063

I also had this problem, and found a different fix in 4.9 that fixed it (my original bug #1641052):

commit a8006bd915095c40098bfcb684cc2bdfb414dc0d
Merge: 965c4b7 6bad6bc
Author: Linus Torvalds <email address hidden>
Date: Fri Oct 28 11:26:01 2016 -0700

    Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

    Pull timer fixes from Ingo Molnar:
     "Fix four timer locking races: two were noticed by Linus while
      reviewing the code while chasing for a corruption bug, and two
      from fixing spurious USB timeouts"

    * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
      timers: Prevent base clock corruption when forwarding
      timers: Prevent base clock rewind when forwarding clock
      timers: Lock base for same bucket optimization
      timers: Plug locking race vs. timer migration
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