bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface ------------[ cut here ]------------ refcount_t: decrement hit 0; leaking memory. WARNING: CPU: 1 PID: 3740 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0 lib/refcount.c:31 Modules linked in: CPU: 1 PID: 3740 Comm: kworker/u16:3 Not tainted 5.16.0-rc2-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 18 f4 a1 09 31 ff 89 de e8 9d f2 9c fd 84 db 75 e0 e8 b4 ee 9c fd 48 c7 c7 e0 d4 04 8a c6 05 f8 f3 a1 09 01 e8 db a5 25 05 <0f> 0b eb c4 e8 98 ee 9c fd 0f b6 1d e7 f3 a1 09 31 ff 89 de e8 68 RSP: 0018:ffffc9000291f910 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888018c50000 RSI: ffffffff815f0c28 RDI: fffff52000523f14 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815ea9ce R11: 0000000000000000 R12: ffff88804d89c5b0 R13: 0000000000000002 R14: ffff888017b14438 R15: ffff888013830050 FS: 0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f4cf1db0 CR3: 0000000067cf9000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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