bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): Released all slaves
------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 3 PID: 3732 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0 lib/refcount.c:31
Modules linked in:
CPU: 3 PID: 3732 Comm: kworker/u16:4 Not tainted 5.15.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 lib/refcount.c:31
Code: 1d 37 5a 81 09 31 ff 89 de e8 4d 52 9c fd 84 db 75 e0 e8 64 4e 9c fd 48 c7 c7 a0 48 e4 89 c6 05 17 5a 81 09 01 e8 a2 88 1c 05 <0f> 0b eb c4 e8 48 4e 9c fd 0f b6 1d 06 5a 81 09 31 ff 89 de e8 18
RSP: 0018:ffffc9000295f910 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880191740c0 RSI: ffffffff815e8ec8 RDI: fffff5200052bf14
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815e2c9e R11: 0000000000000000 R12: ffff8880234b05b0
R13: 0000000000000002 R14: ffff8880004ed800 R15: ffff888011ba5a50
FS:  0000000000000000(0000) GS:ffff88802cd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeaffc2540 CR3: 000000000b68e000 CR4: 0000000000152ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __refcount_dec include/linux/refcount.h:344 [inline]
 refcount_dec include/linux/refcount.h:359 [inline]
 dev_put include/linux/netdevice.h:4166 [inline]
 rx_queue_release+0x123/0x140 net/core/net-sysfs.c:1015
 kobject_cleanup lib/kobject.c:705 [inline]
 kobject_release lib/kobject.c:736 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c8/0x540 lib/kobject.c:753
 net_rx_queue_update_kobjects+0x3e5/0x500 net/core/net-sysfs.c:1123
 remove_queue_kobjects net/core/net-sysfs.c:1821 [inline]
 netdev_unregister_kobject+0x14f/0x1f0 net/core/net-sysfs.c:1972
 unregister_netdevice_many+0xd1f/0x1790 net/core/dev.c:11104
 default_device_exit_batch+0x2fa/0x3c0 net/core/dev.c:11607
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:593
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>