rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P10593 (detected by 1, t=10503 jiffies, g=33909, q=1891) task:syz.6.2004 state:R running task stack:27296 pid:10593 ppid: 8529 flags:0x0000400c Call Trace: