rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (1 GPs behind) idle=ce3/1/0x4000000000000002 softirq=8441/8449 fqs=1 
	(t=10500 jiffies g=7601 q=649)
rcu: rcu_preempt kthread starved for 10498 jiffies! g7601 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:    0 pid:   15 ppid:     2 flags:0x00000008
Call trace:
 __switch_to+0x2f4/0x540 arch/arm64/kernel/process.c:521
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0xdfc/0x1bc4 kernel/sched/core.c:6395
 schedule+0x11c/0x1c8 kernel/sched/core.c:6478
 schedule_timeout+0x194/0x2f4 kernel/time/timer.c:2117
 rcu_gp_fqs_loop+0x280/0x146c kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xb8/0x2c0 kernel/rcu/tree.c:2145
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:856
rcu: Stack dump where RCU GP kthread last ran:
Task dump for CPU 1:
task:syz.3.19        state:R  running task     stack:    0 pid: 5036 ppid:  4820 flags:0x00000000
Call trace:
 __switch_to+0x2f4/0x540 arch/arm64/kernel/process.c:521
 0xffff800000000001
Task dump for CPU 0:
task:syz.1.17        state:R  running task     stack:    0 pid: 5033 ppid:  4816 flags:0x00000000
Call trace:
 dump_backtrace+0x0/0x458 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 sched_show_task+0x3e0/0x4c8 kernel/sched/core.c:8659
 dump_cpu_task+0x84/0xa8 kernel/sched/core.c:10946
 rcu_dump_cpu_stacks+0x2b4/0x4a8 kernel/rcu/tree_stall.h:350
 print_cpu_stall+0x4e8/0xa70 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3936 [inline]
 rcu_sched_clock_irq+0xbb0/0x17f8 kernel/rcu/tree.c:2619
 update_process_times+0x1c4/0x260 kernel/time/timer.c:2021
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x30c/0x4bc kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x3e8/0xb44 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x2bc/0xb5c kernel/time/hrtimer.c:1811
 timer_handler drivers/clocksource/arm_arch_timer.c:659 [inline]
 arch_timer_handler_virt+0x74/0x88 drivers/clocksource/arm_arch_timer.c:670
 handle_percpu_devid_irq+0x29c/0x764 kernel/irq/chip.c:930
 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
 handle_irq_desc kernel/irq/irqdesc.c:652 [inline]
 handle_domain_irq+0x144/0x1fc kernel/irq/irqdesc.c:707
 gic_handle_irq+0x78/0x1b8 drivers/irqchip/irq-gic-v3.c:765
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:903
 do_interrupt_handler+0x6c/0x88 arch/arm64/kernel/entry-common.c:267
 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
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
 _raw_spin_unlock_irq+0xa0/0x128 kernel/locking/spinlock.c:202
 spin_unlock_irq include/linux/spinlock.h:414 [inline]
 get_signal+0xfac/0x1334 kernel/signal.c:2903
 do_signal arch/arm64/kernel/signal.c:893 [inline]
 do_notify_resume+0x298/0x309c arch/arm64/kernel/signal.c:946
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584