ARM1 write#1 rc=12
ARM1 write#2 rc=12 (timer cleared pending -> no hang)
ARM1 write#3 rc=12 (pending now set, timer armed)
ARM2 non-owner read rc=-1 errno=1 (EPERM=1)
ARM2: timer should now be DEAD; sleeping past the 0.5s deadline
ARM2 victim pid=830 write starting
ARM2 victim write rc=12 errno=0 (UNEXPECTED!)
ARM2: SIGKILL victim 830
RESULT: victim exited (w=830 st=0) -> NOT stuck
== stuck poc? ==
NO_STUCK_POC
== discard msgs this boot ==
6