rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=12457, q=1534 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 9364 (4294959588-4294950224), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 9364 jiffies! g12457 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:26376 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1b88/0x5240 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0x163/0x360 kernel/sched/core.c:6860
 schedule_timeout+0x15b/0x2b0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2e1/0x1340 kernel/rcu/tree.c:2046
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2248
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </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 UID: 0 PID: 5900 Comm: kworker/0:6 Not tainted 6.15.0-rc2-syzkaller-00577-g8066e388be48 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_power_efficient wg_ratelimiter_gc_entries
RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:-1 [inline]
RIP: 0010:lock_acquire+0x126/0x2f0 kernel/locking/lockdep.c:5868
Code: e9 45 89 e0 6a 00 6a 00 6a 00 ff b4 24 90 00 00 00 ff 74 24 28 e8 6a 02 00 00 48 83 c4 28 48 c7 c7 4b 85 4d 8e e8 9a 49 8e 0a <b8> ff ff ff ff 65 0f c1 05 2d 25 c9 11 83 f8 01 0f 85 f9 00 00 00
RSP: 0018:ffffc90000007c20 EFLAGS: 00000086
RAX: 0000000000000000 RBX: ffff8880b86276d8 RCX: f4f789d12fa2aa00
RDX: 0000000000000001 RSI: ffffffff8e4d854b RDI: ffffffff8ca1c5c0
RBP: ffffffff93675020 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000046 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888124fab000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efe0ca65b10 CR3: 0000000024c36000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1765 [inline]
 __hrtimer_run_queues+0x67b/0xd40 kernel/time/hrtimer.c:1825
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1887
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x148/0x1a0 arch/x86/include/asm/irqflags.h:-1
Code: 07 83 f8 01 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 48 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 45 00 <48> 3b 44 24 08 75 42 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc9000447f958 EFLAGS: 00000206
RAX: f4f789d12fa2aa00 RBX: 0000000000000000 RCX: ffff888031fa8000
RDX: 0000000000000000 RSI: ffffffff8e4d854b RDI: ffffffff8ca1c5c0
RBP: ffffffff93675020 R08: ffffffff8f86bb63 R09: 1ffffffff1f0d76c
R10: dffffc0000000000 R11: fffffbfff1f0d76d R12: ffff888031fa8000
R13: 0000000000000246 R14: 00000000ffffffff R15: ffffffff8ed3dea0
 lock_is_held include/linux/lockdep.h:249 [inline]
 __might_resched+0xfb/0x6c0 kernel/sched/core.c:8780
 wg_ratelimiter_gc_entries+0x3cd/0x470 drivers/net/wireguard/ratelimiter.c:78
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd50 kernel/workqueue.c:3400
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>