rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5702 (detected by 1, t=10502 jiffies, g=12257, q=196127) task:syz.1.481 state:R running task stack:25344 pid: 5702 ppid: 4167 flags:0x0000400a Call Trace: