rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2640 jiffies s: 10913 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.5.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events_power_efficient wg_ratelimiter_gc_entries
RIP: 0010:__sanitizer_cov_trace_cmp8+0x13/0x20 kernel/kcov.c:284
Code: f2 89 fe bf 04 00 00 00 e9 1a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 <e9> f8 fe ff ff 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 8b 0c 24 40
RSP: 0018:ffffc900001e0bb8 EFLAGS: 00000206
RAX: 00000010c6f7a0b5 RBX: 0000000000abcc77 RCX: ffffffff88583976
RDX: 00000010c6f7a0b5 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00000010c6f7a0b5 R08: 0000000000000005 R09: 00000000000f4240
R10: 00000000000186a0 R11: 0000000074a39041 R12: 00000000000f4240
R13: 0000000000000002 R14: 0000000000112e0b R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f73780c4 CR3: 000000000c776000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 pie_calculate_probability+0x296/0x850 net/sched/sch_pie.c:345
 fq_pie_timer+0x1da/0x4f0 net/sched/sch_fq_pie.c:387
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x764/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:preempt_latency_start kernel/sched/core.c:5836 [inline]
RIP: 0010:preempt_latency_start kernel/sched/core.c:5831 [inline]
RIP: 0010:preempt_count_add+0x7f/0x140 kernel/sched/core.c:5859
Code: 2f 57 aa 7e 25 ff ff ff 7f 39 c3 74 03 5b 5d c3 48 8b 5c 24 10 48 89 df e8 ce 09 0e 00 85 c0 75 35 65 48 8b 2c 25 80 b9 03 00 <48> 8d bd b0 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc90000a1fc70 EFLAGS: 00000207
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff2427ab8
RDX: 0000000000000000 RSI: ffffffff8595b4da RDI: 0000000000000000
RBP: ffff888019271dc0 R08: 0000000000000004 R09: 0000000000002000
R10: 0000000000001afb R11: 0000000000000000 R12: ffff888018255d78
R13: ffffffff8d89b0e0 R14: 00000076befaa3b6 R15: 0000000000001afb
 __raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline]
 _raw_spin_lock+0x12/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 wg_ratelimiter_gc_entries+0xc6/0x520 drivers/net/wireguard/ratelimiter.c:63
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
 worker_thread+0x687/0x1110 kernel/workqueue.c:2751
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>