------------[ cut here ]------------
lockdep bfs error:-1
WARNING: CPU: 0 PID: 4217 at kernel/locking/lockdep.c:2022 print_bfs_bug+0x22/0x30 kernel/locking/lockdep.c:2022
Modules linked in:
CPU: 0 PID: 4217 Comm: kworker/0:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker
RIP: 0010:print_bfs_bug+0x22/0x30 kernel/locking/lockdep.c:2022
Code: 79 ff ff ff 0f 1f 40 00 55 53 89 fb e8 a7 b7 82 02 89 c5 e8 f0 df fe ff 85 ed 74 10 48 c7 c7 00 40 2b 8a 89 de e8 1e 46 53 08 <0f> 0b 5b 5d c3 66 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41
RSP: 0018:ffffc9000324f4a8 EFLAGS: 00010046
RAX: 3462520f9701ae00 RBX: 00000000ffffffff RCX: ffff88807b649dc0
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffff8880b902795b R09: 1ffff11017204f2b
R10: dffffc0000000000 R11: ffffed1017204f2c R12: 0000000000000078
R13: 00000000000003fd R14: ffffffff8fc7ddf0 R15: ffffffff93087f08
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8095cc8000 CR3: 0000000025175000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 check_irq_usage kernel/locking/lockdep.c:-1 [inline]
 check_prev_add kernel/locking/lockdep.c:3057 [inline]
 check_prevs_add kernel/locking/lockdep.c:3172 [inline]
 validate_chain kernel/locking/lockdep.c:3788 [inline]
 __lock_acquire+0x59dd/0x7d10 kernel/locking/lockdep.c:5012
 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x62/0x390 lib/debugobjects.c:749
 debug_timer_deactivate kernel/time/timer.c:734 [inline]
 debug_deactivate kernel/time/timer.c:778 [inline]
 detach_timer+0x33/0x2b0 kernel/time/timer.c:825
 detach_if_pending kernel/time/timer.c:846 [inline]
 del_timer+0x13e/0x1b0 kernel/time/timer.c:1228
 wg_receive_handshake_packet drivers/net/wireguard/receive.c:208 [inline]
 wg_packet_handshake_receive_worker+0x765/0xf60 drivers/net/wireguard/receive.c:220
 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>