rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...0: (0 ticks this GP) idle=fcd/1/0x4000000000000002 softirq=7357/7358 fqs=5249 (detected by 1, t=10502 jiffies, g=7033, q=2612) Task dump for CPU 0: task:syz.1.106 state:R running task stack: 0 pid: 4697 ppid: 4022 flags:0x00000003 Call trace: __switch_to+0x308/0x588 arch/arm64/kernel/process.c:518 0xffffe00036831664