Hi,
Can you pick this tiny one-liner patch to 4.4.y? Fixes unexpected null byte in RCU "expedited stall" message.
commit ec3833ed02ae6ef2a933ece9de7cbab0c64c699e Author: Paul E. McKenney paulmck@linux.vnet.ibm.com Date: Mon Jan 11 16:29:29 2016 -0800
rcu: Force boolean subscript for expedited stall warnings
-Tommi