rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 GPs behind) idle=5d1/1/0x4000000000000002 softirq=6225/6227 fqs=5240 
	(detected by 1, t=10502 jiffies, g=4765, q=1200)
Task dump for CPU 0:
task:syz.2.12        state:R  running task     stack:    0 pid: 4137 ppid:  4033 flags:0x00000002
Call trace:
 __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
 __enter_from_kernel_mode arch/arm64/kernel/entry-common.c:51 [inline]
 enter_from_kernel_mode+0x98/0x17c arch/arm64/kernel/entry-common.c:56
 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:454
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470
 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522
 __memcpy+0x9c/0x260 arch/arm64/lib/memcpy.S:117
 futex_wait+0xf0/0x56c kernel/futex/core.c:2945
 do_futex+0xfd4/0x2e00 kernel/futex/core.c:3982
 __do_sys_futex kernel/futex/core.c:4059 [inline]
 __se_sys_futex kernel/futex/core.c:4040 [inline]
 __arm64_sys_futex+0x424/0x498 kernel/futex/core.c:4040
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584