rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P10251 (detected by 1, t=10503 jiffies, g=31157, q=1633) task:syz.0.1957 state:R running task stack:27552 pid:10251 ppid: 4183 flags:0x0000400c Call Trace: