rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P13104
	(detected by 1, t=10502 jiffies, g=39269, q=6629)
task:syz.4.2018      state:R  running task     stack:25920 pid:13104 ppid:  7001 flags:0x0000400a
Call Trace:
 <TASK>
 </TASK>