rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2652 jiffies s: 128317 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5162 Comm: kworker/0:5 Not tainted 6.2.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker
RIP: 0010:iterate_chain_key kernel/locking/lockdep.c:447 [inline]
RIP: 0010:__lock_acquire+0xc56/0x56d0 kernel/locking/lockdep.c:5043
Code: 00 89 c2 29 c1 01 d8 c1 c2 06 31 ca 89 d1 29 d6 01 c2 c1 c1 08 31 f1 89 ce 29 c8 c1 c6 10 31 f0 8d 34 11 89 c1 29 c2 c1 c9 0d <01> f0 89 f7 31 ca 01 d0 29 d7 89 d1 48 8b 54 24 38 c1 c1 04 31 f9
RSP: 0000:ffffc90000007bb8 EFLAGS: 00000092
RAX: 000000000003009b RBX: 00000000fffffffe RCX: 0000000004d80018
RDX: 00000000fffce515 RSI: 00000000ffe5e5ca RDI: ffffffff9133bae0
RBP: 0000000000000040 R08: 0000000000000000 R09: ffffffff91336acf
R10: fffffbfff2266d59 R11: 0000000000000000 R12: ffff88801d416270
R13: ffff88801d4157c0 R14: 0000000000000003 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd7f616f5c8 CR3: 000000001d045000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5668 [inline]
 lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x266/0xfb0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0x180/0x640 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:fsqr2+0x2dc/0x370 arch/x86/crypto/curve25519-x86_64.c:783
Code: 66 4c 0f 38 f6 d9 4c 89 5f 18 48 c7 c0 00 00 00 00 48 0f 42 c2 49 01 c0 4c 89 07 48 c7 c2 26 00 00 00 c4 62 bb f6 6e 60 31 c9 <f3> 4c 0f 38 f6 46 40 c4 e2 b3 f6 5e 68 66 4d 0f 38 f6 cd f3 4c 0f
RSP: 0000:ffffc9000508f350 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000023 RCX: 0000000000000000
RDX: 0000000000000026 RSI: ffffc9000508f430 RDI: ffffc9000508f590
RBP: ffffc9000508f590 R08: 79aae20b22f486c2 R09: 047cf7202f0da407
R10: 75c595dbe210640f R11: e0a4535d3a0a1d5d R12: ffffc9000508f430
R13: 0000000000000014 R14: 68c2684415f6f41b R15: 0000000000000000
 point_add_and_double+0x2ed/0x610 arch/x86/crypto/curve25519-x86_64.c:1015
 montgomery_ladder.constprop.0+0x385/0x560 arch/x86/crypto/curve25519-x86_64.c:1098
 curve25519_ever64 arch/x86/crypto/curve25519-x86_64.c:1252 [inline]
 curve25519_arch+0x18b/0x230 arch/x86/crypto/curve25519-x86_64.c:1599
 curve25519 include/crypto/curve25519.h:39 [inline]
 mix_dh+0x7d/0x130 drivers/net/wireguard/noise.c:411
 wg_noise_handshake_consume_response+0x2ae/0x7f0 drivers/net/wireguard/noise.c:770
 wg_receive_handshake_packet+0x381/0xad0 drivers/net/wireguard/receive.c:166
 wg_packet_handshake_receive_worker+0x173/0x3a0 drivers/net/wireguard/receive.c:213
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>