rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=9b3/1/0x4000000000000000 softirq=5747/5750 fqs=1 
	(detected by 0, t=12307 jiffies, g=5649, q=1046)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3543 Comm: kworker/1:4 Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: events_power_efficient gc_worker
RIP: 0010:advance_sched+0x21d/0x940 net/sched/sch_taprio.c:733
Code: 24 08 31 c0 48 89 44 24 20 48 8b 04 24 48 85 c0 4c 89 7c 24 60 0f 84 73 06 00 00 48 89 6c 24 40 4c 89 6c 24 48 4c 89 64 24 50 <4c> 8d 60 10 4d 89 e5 49 c1 ed 03 43 80 7c 35 00 00 74 08 4c 89 e7
RSP: 0018:ffffc90000dd0cc0 EFLAGS: 00000082
RAX: ffff88801a340f80 RBX: ffff888079f29b30 RCX: ffff888065d93b80
RDX: 0000000000010001 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888079f29ae8 R08: ffffffff886c7f38 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888079f29800
R13: ffff888079f29b40 R14: dffffc0000000000 R15: ffff888079f29b28
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95ce6d90a0 CR3: 000000007209e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_is_held_type+0x137/0x180
Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90003007998 EFLAGS: 00000206
RAX: dca93b9749914500 RBX: 0000000000000002 RCX: ffff888065d93b80
RDX: 0000000000000000 RSI: ffffffff8a8b3ca0 RDI: ffffffff8ad8f680
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1bc8e76
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246
R13: ffff888065d93b80 R14: 00000000ffffffff R15: ffffffff8c91faa0
 lock_is_held include/linux/lockdep.h:287 [inline]
 ___might_sleep+0xf1/0x6a0 kernel/sched/core.c:9592
 gc_worker+0xd7d/0x14b0 net/netfilter/nf_conntrack_core.c:1544
 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:300
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 5137 jiffies! g5649 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=3401
rcu: rcu_preempt kthread starved for 5138 jiffies! g5649 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27064 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:300
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 0
CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
 print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592
 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:cswap2 arch/x86/crypto/curve25519-x86_64.c:430 [inline]
RIP: 0010:curve25519_ever64_base arch/x86/crypto/curve25519-x86_64.c:1359 [inline]
RIP: 0010:curve25519_base_arch+0x454/0x36b0 arch/x86/crypto/curve25519-x86_64.c:1398
Code: 4d 0f 42 c1 4d 0f 42 ca 4d 89 44 24 10 4c 89 48 10 4d 8b 44 24 18 4c 8b 48 18 4d 89 c2 4d 0f 42 c1 4d 0f 42 ca 4d 89 44 24 18 <4c> 89 48 18 4d 8b 44 24 20 4c 8b 48 20 4d 89 c2 4d 0f 42 c1 4d 0f
RSP: 0018:ffffc90000ce7460 EFLAGS: 00000257
RAX: ffffc90000ce75a0 RBX: 00000000000001c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000033 RDI: 0000000000000040
RBP: ffffc90000ce77b0 R08: 423d3559b6674855 R09: 3432688be285a7ef
R10: 3432688be285a7ef R11: b520df0fc7486846 R12: ffffc90000ce7560
R13: ffffc90000ce7580 R14: 0000000000000000 R15: 9a75345a620bb874
 curve25519_generate_public include/crypto/curve25519.h:55 [inline]
 wg_noise_handshake_create_initiation+0x44e/0xf20 drivers/net/wireguard/noise.c:542
 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:34 [inline]
 wg_packet_handshake_send_worker+0x157/0x310 drivers/net/wireguard/send.c:51
 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:300
 </TASK>