rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 GPs behind) idle=26f/1/0x4000000000000002 softirq=7831/7833 fqs=2100 
	(detected by 1, t=10505 jiffies, g=7809, q=4240)
Task dump for CPU 0:
task:syz.0.270       state:R  running task     stack:    0 pid: 4966 ppid:  4024 flags:0x0000000a
Call trace:
 __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
 0xfffffc0003269dc0
 0x0