rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...0: (1 GPs behind) idle=dc5/1/0x4000000000000002 softirq=14864/14865 fqs=2094 (detected by 1, t=10505 jiffies, g=16565, q=1539) Task dump for CPU 0: task:syz.1.788 state:R running task stack: 0 pid: 6548 ppid: 4038 flags:0x00000003 Call trace: __switch_to+0x308/0x588 arch/arm64/kernel/process.c:518 0xffffe00036831664