rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10849 jiffies s: 1861 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Task dump for CPU 0:
task:syz.4.34        state:R  running task     stack:25472 pid: 4418 ppid:  4184 flags:0x0000400c
Call Trace:
 <TASK>
 </TASK>