rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2660 jiffies s: 3805 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Task dump for CPU 0:
task:syz.2.903       state:R  running task     stack:0     pid:8384  ppid:4313   flags:0x0000000f
Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553
 0xffff0000ec121000