__linkwatch_run_queue+0x233/0x6a0 net/core/link_watch.c:213
 linkwatch_event+0x4a/0x60 net/core/link_watch.c:252
 process_one_work+0x9ac/0x1680 kernel/workqueue.c:2307
 worker_thread+0x652/0x11c0 kernel/workqueue.c:2454
 kthread+0x405/0x4f0 kernel/kthread.c:345
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3678 at lib/ref_tracker.c:120 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
WARNING: CPU: 0 PID: 3678 at lib/ref_tracker.c:120 ref_tracker_free.cold+0x110/0x14e lib/ref_tracker.c:119
Modules linked in:
CPU: 0 PID: 3678 Comm: kworker/0:5 Not tainted 5.16.0-rc4-next-20211210-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events linkwatch_event
RIP: 0010:ref_tracker_free.cold+0x110/0x14e lib/ref_tracker.c:120
Code: ea 03 48 c1 e0 2a 0f b6 04 02 84 c0 74 04 3c 03 7e 4c 8b 7b 18 e8 6b 54 e9 fa e8 26 4d 57 f8 4c 89 ee 48 89 ef e8 fb 33 36 00 <0f> 0b 41 bd ea ff ff ff e9 bd 60 e9 fa 4c 89 f7 e8 16 45 a2 f8 e9
RSP: 0018:ffffc90002c8fb18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880729f21c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff88806bbdc5b8 R08: 0000000000000001 R09: ffffffff8ffa1967
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92000591f65
R13: 0000000000000292 R14: ffff8880729f21d8 R15: 00000000b8a0008c
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc048547090 CR3: 000000002228b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netdev_tracker_free include/linux/netdevice.h:3868 [inline]
 dev_put_track include/linux/netdevice.h:3885 [inline]
 linkwatch_do_dev+0x96/0x160 net/core/link_watch.c:169
 __linkwatch_run_queue+0x233/0x6a0 net/core/link_watch.c:213
 linkwatch_event+0x4a/0x60 net/core/link_watch.c:252
 process_one_work+0x9ac/0x1680 kernel/workqueue.c:2307
 process_scheduled_works kernel/workqueue.c:2370 [inline]
 worker_thread+0x853/0x11c0 kernel/workqueue.c:2456
 kthread+0x405/0x4f0 kernel/kthread.c:345
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>