rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=16321, q=1338 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294963870-4294953368), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g16321 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:25848 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 5879 Comm: kworker/0:3 Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: wg-crypt-wg1 wg_packet_tx_worker
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 2e 4a 37 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 43 74 9a f5 65 8b 05 24 c6 30 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc900000078c0 EFLAGS: 00000206
RAX: 9c8e713eae155b00 RBX: 1ffff92000000f1c RCX: ffffffff817b246a
RDX: dffffc0000000000 RSI: ffffffff8c0a9680 RDI: 0000000000000001
RBP: ffffc90000007950 R08: ffffffff942b898f R09: 1ffffffff2857131
R10: dffffc0000000000 R11: fffffbfff2857132 R12: dffffc0000000000
R13: 1ffff92000000f18 R14: ffffc900000078e0 R15: 0000000000000246
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db5ffff CR3: 00000000340ac000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 dummy_timer+0x44d6/0x4620
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x59d/0xd30 kernel/time/hrtimer.c:1803
 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820
 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 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:wg_packet_tx_worker+0x5f4/0x810 drivers/net/wireguard/send.c:280
Code: 40 94 96 8c e8 1d 72 fb fa 48 c7 c7 00 7b 93 8e 4c 89 f6 e8 5e 32 fb fa 4c 89 f7 be 00 02 00 00 e8 a1 24 e2 fa 4c 8b 74 24 08 <48> 89 df 31 f6 e8 42 f9 fe ff 4c 89 ff e8 6a ac ff ff 65 48 8b 1c
RSP: 0018:ffffc900033c7b50 EFLAGS: 00000246
RAX: 9c8e713eae155b00 RBX: ffff888072486000 RCX: ffffffff817b246a
RDX: dffffc0000000000 RSI: ffffffff8c0a9680 RDI: ffffffff8c5f63e0
RBP: ffff888072486000 R08: ffffffff942b898f R09: 1ffffffff2857131
R10: dffffc0000000000 R11: fffffbfff2857132 R12: dffffc0000000000
R13: 1000000000000000 R14: ffff88807cbd5f18 R15: ffff88807cbd5f00
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>