call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1919 net/core/dev.c:1919
 call_netdevice_notifiers_extack net/core/dev.c:1931 [inline]
 call_netdevice_notifiers net/core/dev.c:1945 [inline]
 netdev_features_change net/core/dev.c:1290 [inline]
 netdev_update_features net/core/dev.c:9389 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1931 [inline] net/core/dev.c:9386
 call_netdevice_notifiers net/core/dev.c:1945 [inline] net/core/dev.c:9386
 netdev_features_change net/core/dev.c:1290 [inline] net/core/dev.c:9386
 netdev_update_features net/core/dev.c:9389 [inline] net/core/dev.c:9386
 netdev_update_features+0xc4/0xd0 net/core/dev.c:9386 net/core/dev.c:9386
 hsr_add_port+0x4a5/0x7b0 net/hsr/hsr_slave.c:193 net/hsr/hsr_slave.c:193
 hsr_dev_finalize+0x46c/0x750 net/hsr/hsr_device.c:531 net/hsr/hsr_device.c:531
 hsr_newlink+0x315/0x730 net/hsr/hsr_netlink.c:102 net/hsr/hsr_netlink.c:102
 __rtnl_newlink+0x106d/0x1750 net/core/rtnetlink.c:3457 net/core/rtnetlink.c:3457
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3505 net/core/rtnetlink.c:3505
 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5570 net/core/rtnetlink.c:5570
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline] net/netlink/af_netlink.c:1341
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg_nosec net/socket.c:704 [inline] net/socket.c:724
 sock_sendmsg+0xcf/0x120 net/socket.c:724 net/socket.c:724
------------[ cut here ]------------
WARNING: CPU: 1 PID: 10 at lib/ref_tracker.c:38 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
WARNING: CPU: 1 PID: 10 at lib/ref_tracker.c:38 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] lib/ref_tracker.c:37
WARNING: CPU: 1 PID: 10 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x137/0x1e3 lib/ref_tracker.c:37 lib/ref_tracker.c:37
Modules linked in:
CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 5.16.0-rc5-next-20211216-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:ref_tracker_dir_exit.cold+0x137/0x1e3 lib/ref_tracker.c:38 lib/ref_tracker.c:38
Code: 4c 89 ef e8 8f ae a1 f8 4c 8b 3c 24 4c 39 fd 49 8b 07 0f 85 b5 00 00 00 e8 ba a0 56 f8 48 8b 74 24 10 4c 89 e7 e8 fd 43 36 00 <0f> 0b e9 b9 2a e9 fa 4c 89 ff e8 5e ae a1 f8 e9 d4 fe ff ff e8 44
RSP: 0018:ffffc90000cf7970 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff88801f02c600 R08: 0000000000000001 R09: ffffffff8ffa794f
R10: 0000000000000001 R11: 0000000000088077 R12: ffff88801f02c5b8
R13: ffff88801f02c600 R14: ffff88801f02c600 R15: ffff88801f02c600
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeb6ce22e8 CR3: 000000001cc09000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 free_netdev+0x32a/0x5b0 net/core/dev.c:10280 net/core/dev.c:10280
 netdev_run_todo+0x8a0/0xaa0 net/core/dev.c:9957 net/core/dev.c:9957
 default_device_exit_batch+0x2ff/0x3c0 net/core/dev.c:10938 net/core/dev.c:10938
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171 net/core/net_namespace.c:171
 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:595 net/core/net_namespace.c:595
 process_one_work+0x9ac/0x1680 kernel/workqueue.c:2307 kernel/workqueue.c:2307
 worker_thread+0x652/0x11c0 kernel/workqueue.c:2454 kernel/workqueue.c:2454
 kthread+0x405/0x4f0 kernel/kthread.c:345 kernel/kthread.c:345
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 arch/x86/entry/entry_64.S:295
 </TASK>