------------[ cut here ]------------
WARNING: CPU: 0 PID: 12 at kernel/rcu/tree.c:1057 rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1057
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.8.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x45 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1057
Code: 00 00 00 4c 89 e7 e8 5a e5 c4 f9 eb b4 0f 0b eb 8b 0f 1f 40 00 8b 05 56 78 c2 02 85 c0 74 0d 65 8b 05 2b ff 12 78 85 c0 74 02 <0f> 0b e9 44 ff ff ff 0f 1f 40 00 53 48 c7 c3 40 6c 03 00 e8 43 08
RSP: 0018:ffffc90000d2f6f0 EFLAGS: 00010002
RAX: 0000000000000001 RBX: 0000000000000082 RCX: ffffffff8179db77
RDX: ffff8880a95f8300 RSI: ffffffff8161d8e1 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000000 R09: ffffffff8ab153cf
R10: 0000000000000000 R11: 0000000000000183 R12: 0000000000000082
R13: ffffffff8132e988 R14: 0000000000000000 R15: ffff8880ae636bc0
 rcu_irq_enter_irqson+0x76/0x140 kernel/rcu/tree.c:1072
 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline]
 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline]
 trace_hardirqs_off kernel/trace/trace_preemptirq.c:82 [inline]
 trace_hardirqs_off+0x114/0x210 kernel/trace/trace_preemptirq.c:74
 kvm_wait arch/x86/kernel/kvm.c:800 [inline]
 kvm_wait+0x88/0x240 arch/x86/kernel/kvm.c:793
 pv_wait arch/x86/include/asm/paravirt.h:666 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x896/0xaf0 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:656 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:50 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
 lockdep_lock+0x214/0x280 kernel/locking/lockdep.c:94
 graph_lock kernel/locking/lockdep.c:119 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3150 [inline]
 validate_chain kernel/locking/lockdep.c:3183 [inline]
 __lock_acquire+0x178a/0x5640 kernel/locking/lockdep.c:4426
 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:5005
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
 _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175
 spin_lock_bh include/linux/spinlock.h:359 [inline]
 wg_index_hashtable_remove+0x20/0x100 drivers/net/wireguard/peerlookup.c:190
 wg_noise_keypair_put+0x1ab/0x200 drivers/net/wireguard/noise.c:139
 add_new_keypair drivers/net/wireguard/noise.c:251 [inline]
 wg_noise_handshake_begin_session+0x90b/0xc9a drivers/net/wireguard/noise.c:815
 wg_packet_send_handshake_response+0x13e/0x1e0 drivers/net/wireguard/send.c:96
 wg_receive_handshake_packet drivers/net/wireguard/receive.c:161 [inline]
 wg_packet_handshake_receive_worker+0x5b7/0x730 drivers/net/wireguard/receive.c:220
 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Kernel Offset: disabled
Rebooting in 86400 seconds..