rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P26285 (detected by 1, t=10502 jiffies, g=118181, q=1741) task:syz.8.7190 state:R running task stack:26064 pid:26285 ppid: 21484 flags:0x0000400a Call Trace: