rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=64d/1/0x4000000000000000 softirq=40784/40785 fqs=2100 
	(detected by 1, t=10506 jiffies, g=58261, q=1725)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11399 Comm: kworker/0:11 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: wg-crypt-wg1 wg_packet_tx_worker
RIP: 0010:perf_trace_buf_update+0x165/0x230 kernel/trace/trace_event_perf.c:434
Code: c7 44 24 20 0e 36 e0 45 4b c7 44 25 00 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 60 0f 85 bc 00 00 00 48 8d 65 d8 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 44 89 fa 80 e2 07 38 ca 0f 8c 43 ff
RSP: 0018:ffffc900034b7310 EFLAGS: 00000046
RAX: 4a27ec027f4dbc00 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000402 RDI: ffffe8ffffcd9004
RBP: ffffc900034b7330 R08: ffff888077778007 R09: 1ffff1100eeef000
R10: dffffc0000000000 R11: ffffed100eeef001 R12: dffffc0000000000
R13: 1ffff92000696e54 R14: 0000000000000116 R15: 0000000000002c87
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f58ed700fe8 CR3: 000000000c08e000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 perf_tp_event+0x1a2/0xbf0 kernel/events/core.c:10043
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 32 e1 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900034b7800 EFLAGS: 00000206
RAX: 4a27ec027f4dbc00 RBX: 1ffff92000696f04 RCX: 4a27ec027f4dbc00
RDX: dffffc0000000000 RSI: ffffffff8a2b2800 RDI: ffffffff8a79fe40
RBP: ffffc900034b78e0 R08: ffffffff901d51bf R09: 1ffffffff203aa37
R10: dffffc0000000000 R11: fffffbfff203aa38 R12: ffffffff8c323000
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 ip_route_output_key_hash+0x24c/0x300 net/ipv4/route.c:2684
 __ip_route_output_key include/net/route.h:126 [inline]
 ip_route_output_flow+0x26/0x150 net/ipv4/route.c:2913
 send4+0x43c/0xdc0 drivers/net/wireguard/socket.c:61
 wg_socket_send_skb_to_peer+0xcd/0x1c0 drivers/net/wireguard/socket.c:175
 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
 wg_packet_tx_worker+0x1d3/0x790 drivers/net/wireguard/send.c:276
 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310
 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>