INFO: rcu_preempt self-detected stall on CPU
	1: (10500 ticks this GP) idle=38b/140000000000002/0 softirq=34882/34882 fqs=0 
	 (t=10501 jiffies g=2258 c=2257 q=494)
rcu_preempt kthread starved for 10501 jiffies!
INFO: rcu_preempt detected stalls on CPUs/tasks:
	Tasks blocked on level-0 rcu_node (CPUs 0-1):
	1: (10500 ticks this GP) idle=38b/140000000000002/0 softirq=34882/34882 fqs=0 
	(detected by 0, t=10502 jiffies, g=2258, c=2257, q=494)
Task dump for CPU 1:
syz-executor.1  R  running task    12416 29916   5270 0x00000008
 0000000000000096 0000000000000000 ffffffff8119b7f0 0000000000000000
 ffff880121aa01b8 ffff88012b707c00 0000000000000000 0000000000000007
 ffff8800a9100850 ffff8800a8ecfcc8 ffff8800a91010b8 0000000000000000
Call Trace:
rcu_preempt kthread starved for 10502 jiffies!
INFO: rcu_sched detected stalls on CPUs/tasks:
	1: (10500 ticks this GP) idle=38b/140000000000002/0 softirq=34882/34882 fqs=0 
	(detected by 0, t=10502 jiffies, g=1604, c=1603, q=4)
Task dump for CPU 1:
syz-executor.1  R  running task    12416 29916   5270 0x00000008
 0000000000000096 0000000000000000 ffffffff8119b7f0 0000000000000000
 ffff880121aa01b8 ffff88012b707c00 0000000000000000 0000000000000007
 ffff8800a9100850 ffff8800a8ecfcc8 ffff8800a91010b8 0000000000000000
Call Trace:
rcu_sched kthread starved for 10502 jiffies!
Task dump for CPU 1:
syz-executor.1  R  running task    12416 29916   5270 0x00000008
 ffff8800a9100850 ffff88012c103ae0 ffffffff811a3242 0000000000000001
 0000000000000001 ffffffff8325cdc0 0000000000000082 ffff88012c103b00
 ffffffff811a7728 ffffffff8325cdc0 0000000000000002 ffff88012c103b30
Call Trace:
 <IRQ>  [<ffffffff811a3242>] sched_show_task+0xf2/0x1a0 kernel/sched/core.c:4545
 [<ffffffff811a7728>] dump_cpu_task+0x38/0x40 kernel/sched/core.c:8380
 [<ffffffff811e3710>] rcu_dump_cpu_stacks+0x90/0xe0 kernel/rcu/tree.c:1156
 [<ffffffff811e92cd>] print_cpu_stall kernel/rcu/tree.c:1262 [inline]
 [<ffffffff811e92cd>] check_cpu_stall kernel/rcu/tree.c:1326 [inline]
 [<ffffffff811e92cd>] __rcu_pending kernel/rcu/tree.c:3422 [inline]
 [<ffffffff811e92cd>] rcu_pending kernel/rcu/tree.c:3486 [inline]
 [<ffffffff811e92cd>] rcu_check_callbacks+0x8bd/0xd70 kernel/rcu/tree.c:2703
 [<ffffffff811efba4>] update_process_times+0x34/0x60 kernel/time/timer.c:1396
 [<ffffffff81202480>] tick_sched_handle.isra.22+0x20/0x60 kernel/time/tick-sched.c:151
 [<ffffffff8120273c>] tick_sched_timer+0x3c/0x80 kernel/time/tick-sched.c:1124
 [<ffffffff811f07a6>] __run_hrtimer+0xe6/0x760 kernel/time/hrtimer.c:1220
 [<ffffffff811f1a73>] hrtimer_interrupt+0x103/0x230 kernel/time/hrtimer.c:1299
 [<ffffffff810be305>] local_apic_timer_interrupt+0x35/0x60 arch/x86/kernel/apic/apic.c:890
 [<ffffffff810be55c>] smp_apic_timer_interrupt+0x3c/0x50 arch/x86/kernel/apic/apic.c:914
 [<ffffffff8264d6b3>] apic_timer_interrupt+0x73/0x80 arch/x86/kernel/entry_64.S:923
 [<ffffffff811e43e6>] rcu_lockdep_current_cpu_online.part.60+0x16/0x80 kernel/rcu/tree.c:977
 [<ffffffff811e4471>] rcu_lockdep_current_cpu_online+0x21/0x30 kernel/rcu/tree.c:969
 [<ffffffff811ee8e1>] rcu_read_lock_sched_held include/linux/rcupdate.h:508 [inline]
 [<ffffffff811ee8e1>] trace_timer_expire_entry include/trace/events/timer.h:75 [inline]
 [<ffffffff811ee8e1>] call_timer_fn+0x361/0x520 kernel/time/timer.c:1152
 [<ffffffff811eed4c>] __run_timers kernel/time/timer.c:1225 [inline]
 [<ffffffff811eed4c>] run_timer_softirq+0x2ac/0x4a0 kernel/time/timer.c:1415
 [<ffffffff8117386c>] __do_softirq+0x15c/0x6c0 kernel/softirq.c:273
 [<ffffffff81173ff5>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff81173ff5>] irq_exit+0xc5/0xe0 kernel/softirq.c:391
 [<ffffffff810be561>] exiting_irq arch/x86/include/asm/apic.h:649 [inline]
 [<ffffffff810be561>] smp_apic_timer_interrupt+0x41/0x50 arch/x86/kernel/apic/apic.c:915
 [<ffffffff8264d6b3>] apic_timer_interrupt+0x73/0x80 arch/x86/kernel/entry_64.S:923
 <EOI>  [<ffffffff8264c484>] ? arch_local_irq_restore arch/x86/include/asm/paravirt.h:809 [inline]
 <EOI>  [<ffffffff8264c484>] ? __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:162 [inline]
 <EOI>  [<ffffffff8264c484>] ? _raw_spin_unlock_irqrestore+0x64/0xa0 kernel/locking/spinlock.c:191
 [<ffffffff811a3d24>] try_to_wake_up+0x214/0x350 kernel/sched/core.c:1707
 [<ffffffff811a3ebb>] wake_up_state+0xb/0x10 kernel/sched/core.c:1769
 [<ffffffff812042b1>] wake_futex+0x61/0x80 kernel/futex.c:1121
 [<ffffffff8120470a>] futex_wake+0x10a/0x150 kernel/futex.c:1247
 [<ffffffff81206970>] do_futex+0xf0/0xa70 kernel/futex.c:2948
 [<ffffffff8120735d>] SYSC_futex kernel/futex.c:3002 [inline]
 [<ffffffff8120735d>] SyS_futex+0x6d/0x160 kernel/futex.c:2972
 [<ffffffff8264c772>] system_call_fastpath+0x16/0x7a