On Thu, Jan 28, 2021 at 10:48:34AM -0800, Paul E. McKenney wrote:
> On Thu, Jan 28, 2021 at 06:12:07PM +0100, Frederic Weisbecker wrote:
> > The "nocb_bypass_timer" ends up calling wake_nocb_gp() which deletes
> > the pending "nocb_timer" (note they are not the same timers) for the
> > given rdp wi
The "nocb_bypass_timer" ends up calling wake_nocb_gp() which deletes
the pending "nocb_timer" (note they are not the same timers) for the
given rdp without resetting the matching state stored in nocb_defer
wakeup.
As a result, a future call_rcu() on that rdp may be fooled and think the
timer is ar
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