rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=14437, q=1124)
rcu: All QSes seen, last rcu_preempt kthread activity 508 (4294961669-4294961161), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 508 jiffies! g14437 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:26712 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1107 Comm: kworker/0:2 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_power_efficient neigh_periodic_work
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:91 [inline]
RIP: 0010:lock_release+0x102/0x9a0 kernel/locking/lockdep.c:5636
Code: 00 83 3d a4 d1 a7 0c 00 0f 84 3e 05 00 00 65 8b 05 03 70 9f 7e 85 c0 0f 85 2f 05 00 00 65 48 8b 05 b3 66 9f 7e 48 89 44 24 18 <48> 8d 98 ec 0a 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f
RSP: 0018:ffffc90000007ae0 EFLAGS: 00000046
RAX: ffff888021c4bb80 RBX: 0000000000000000 RCX: ffffffff816308b8
RDX: 0000000000000000 RSI: ffffffff8af9fc60 RDI: ffffffff8af9fc20
RBP: ffffc90000007c10 R08: dffffc0000000000 R09: fffffbfff1c154de
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000f68
R13: ffffffff8418ccc4 R14: ffffc90000007c40 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:158 [inline]
 _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194
 debug_object_activate+0x2f4/0x4e0 lib/debugobjects.c:712
 debug_hrtimer_activate kernel/time/hrtimer.c:410 [inline]
 debug_activate kernel/time/hrtimer.c:465 [inline]
 enqueue_hrtimer+0x30/0x390 kernel/time/hrtimer.c:1074
 __run_hrtimer kernel/time/hrtimer.c:1707 [inline]
 __hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1754
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1816
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 d2 d2 80 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 97 e0 0d f7 65 8b 05 08 b1 b8 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc90004d179c0 EFLAGS: 00000206
RAX: eb3a7903bc328a00 RBX: 1ffff920009a2f3c RCX: ffffffff816352a8
RDX: dffffc0000000000 RSI: ffffffff8aab2b60 RDI: 0000000000000001
RBP: ffffc90004d17a50 R08: dffffc0000000000 R09: fffffbfff2132020
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920009a2f38 R14: ffffc90004d179e0 R15: 0000000000000246
 debug_object_activate+0x2f4/0x4e0 lib/debugobjects.c:712
 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline]
 kvfree_call_rcu+0xb6/0x8a0 kernel/rcu/tree.c:3587
 neigh_periodic_work+0x3cb/0xc40 net/core/neighbour.c:947
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>