unregister_netdevice: waiting for netdevsim0 to become free. Usage count = 2 ref_tracker: netdev@ffff8880563dc628 has 1/1 users at xfrm_dev_state_add+0x6f9/0xc00 net/xfrm/xfrm_device.c:316 xfrm_state_construct net/xfrm/xfrm_user.c:986 [inline] xfrm_add_sa+0x34ae/0x4220 net/xfrm/xfrm_user.c:1022 xfrm_user_rcv_msg+0x7a3/0xab0 net/xfrm/xfrm_user.c:3507 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 xfrm_netlink_rcv+0x79/0x90 net/xfrm/xfrm_user.c:3529 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 __sock_sendmsg net/socket.c:752 [inline] ____sys_sendmsg+0x577/0x880 net/socket.c:2610 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2664 __sys_sendmsg net/socket.c:2696 [inline] __do_sys_sendmsg net/socket.c:2701 [inline] __se_sys_sendmsg net/socket.c:2699 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2699 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f infiniband: balance for netdevsim0@ib_gid_table_entry is 0 balance for netdevsim0@j1939_priv is unknown Call trace for netdevsim0[1] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] rx_queue_add_kobject net/core/net-sysfs.c:1257 [inline] net_rx_queue_update_kobjects+0x148/0x750 net/core/net-sysfs.c:1322 register_queue_kobjects net/core/net-sysfs.c:2114 [inline] netdev_register_kobject+0x21f/0x310 net/core/net-sysfs.c:2362 register_netdevice+0x124f/0x1a70 net/core/dev.c:11406 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:688 ksys_write+0x145/0x250 fs/read_write.c:740 Call trace for netdevsim0[2] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] netdev_queue_add_kobject net/core/net-sysfs.c:1994 [inline] netdev_queue_update_kobjects+0x170/0x6d0 net/core/net-sysfs.c:2056 register_queue_kobjects net/core/net-sysfs.c:2119 [inline] netdev_register_kobject+0x258/0x310 net/core/net-sysfs.c:2362 register_netdevice+0x124f/0x1a70 net/core/dev.c:11406 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:688 ksys_write+0x145/0x250 fs/read_write.c:740 Call trace for netdevsim0[3] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold+0x27/0xc0 include/linux/netdevice.h:4443 register_netdevice+0x147a/0x1a70 net/core/dev.c:11430 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:688 ksys_write+0x145/0x250 fs/read_write.c:740 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 Call trace for netdevsim0[4] +3 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:698 [inline] netdevice_event+0x532/0x8e0 drivers/infiniband/core/roce_gid_mgmt.c:849 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] register_netdevice+0x15c6/0x1a70 net/core/dev.c:11444 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:688 ksys_write+0x145/0x250 fs/read_write.c:740 Call trace for netdevsim0[5] +3 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:699 [inline] netdevice_event+0x5db/0x8e0 drivers/infiniband/core/roce_gid_mgmt.c:849 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] register_netdevice+0x15c6/0x1a70 net/core/dev.c:11444 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:688 ksys_write+0x145/0x250 fs/read_write.c:740 Call trace for netdevsim0[6] -7 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] dev_put include/linux/netdevice.h:4478 [inline] netdevice_event_work_handler+0x12c/0x260 drivers/infiniband/core/roce_gid_mgmt.c:675 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[7] -7 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] dev_put include/linux/netdevice.h:4478 [inline] netdevice_event_work_handler+0x1b2/0x260 drivers/infiniband/core/roce_gid_mgmt.c:676 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[8] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] neigh_parms_alloc+0x192/0x530 net/core/neighbour.c:1753 inetdev_init+0x118/0x4f0 net/ipv4/devinet.c:280 inetdev_event+0x2f1/0x15a0 net/ipv4/devinet.c:1590 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] register_netdevice+0x15c6/0x1a70 net/core/dev.c:11444 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 Call trace for netdevsim0[9] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] inetdev_init+0x19f/0x4f0 net/ipv4/devinet.c:286 inetdev_event+0x2f1/0x15a0 net/ipv4/devinet.c:1590 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] register_netdevice+0x15c6/0x1a70 net/core/dev.c:11444 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:688 Call trace for netdevsim0[10] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] neigh_parms_alloc+0x192/0x530 net/core/neighbour.c:1753 ipv6_add_dev+0x40d/0x13c0 net/ipv6/addrconf.c:403 addrconf_notify+0x771/0x1050 net/ipv6/addrconf.c:3650 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] register_netdevice+0x15c6/0x1a70 net/core/dev.c:11444 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 Call trace for netdevsim0[11] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] ipv6_add_dev+0x4ae/0x13c0 net/ipv6/addrconf.c:411 addrconf_notify+0x771/0x1050 net/ipv6/addrconf.c:3650 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] register_netdevice+0x15c6/0x1a70 net/core/dev.c:11444 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:688 Call trace for netdevsim0[12] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] batadv_hardif_add_interface net/batman-adv/hard-interface.c:878 [inline] batadv_hard_if_event+0xb47/0x1240 net/batman-adv/hard-interface.c:958 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] register_netdevice+0x15c6/0x1a70 net/core/dev.c:11444 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:688 ksys_write+0x145/0x250 fs/read_write.c:740 Call trace for netdevsim0[13] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:850 [inline] udp_tunnel_nic_netdevice_event+0xaea/0x17e0 net/ipv4/udp_tunnel_nic.c:931 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] register_netdevice+0x15c6/0x1a70 net/core/dev.c:11444 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline] nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1494 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550 nsim_drv_probe+0x8a5/0xbc0 drivers/net/netdevsim/dev.c:1710 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:500 __device_attach+0x2b8/0x430 drivers/base/dd.c:1031 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574 device_add+0x7b6/0xb80 drivers/base/core.c:3689 nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline] new_device_store+0x36c/0x6f0 drivers/net/netdevsim/bus.c:191 kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:688 ksys_write+0x145/0x250 fs/read_write.c:740 Call trace for netdevsim0[14] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] qdisc_alloc+0x631/0x910 net/sched/sch_generic.c:985 qdisc_create_dflt+0x8e/0x4c0 net/sched/sch_generic.c:1008 attach_one_default_qdisc net/sched/sch_generic.c:1174 [inline] netdev_for_each_tx_queue include/linux/netdevice.h:2685 [inline] attach_default_qdiscs net/sched/sch_generic.c:1192 [inline] dev_activate+0x378/0x1150 net/sched/sch_generic.c:1251 __dev_open+0x647/0x800 net/core/dev.c:1704 __dev_change_flags+0x1f7/0x680 net/core/dev.c:9749 netif_change_flags+0x88/0x1a0 net/core/dev.c:9812 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3158 rtnl_changelink net/core/rtnetlink.c:3776 [inline] __rtnl_newlink net/core/rtnetlink.c:3935 [inline] rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 Call trace for netdevsim0[15] +3 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:698 [inline] netdevice_event+0x532/0x8e0 drivers/infiniband/core/roce_gid_mgmt.c:849 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1 netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3158 rtnl_changelink net/core/rtnetlink.c:3776 [inline] __rtnl_newlink net/core/rtnetlink.c:3935 [inline] rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 Call trace for netdevsim0[16] +3 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:699 [inline] netdevice_event+0x5db/0x8e0 drivers/infiniband/core/roce_gid_mgmt.c:849 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1 netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3158 rtnl_changelink net/core/rtnetlink.c:3776 [inline] __rtnl_newlink net/core/rtnetlink.c:3935 [inline] rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 Call trace for netdevsim0[17] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] dev_get_by_index+0x1b3/0x2f0 net/core/dev.c:995 netdev_get_by_index+0x25/0xb0 net/core/dev.c:1018 fib6_nh_init+0x1c7/0x1f20 net/ipv6/route.c:3598 ip6_route_info_create_nh+0x16a/0xab0 net/ipv6/route.c:3898 ip6_route_add+0x6e/0x1b0 net/ipv6/route.c:3950 addrconf_add_mroute net/ipv6/addrconf.c:2552 [inline] addrconf_add_dev+0x23f/0x320 net/ipv6/addrconf.c:2570 addrconf_dev_config net/ipv6/addrconf.c:3479 [inline] addrconf_init_auto_addrs+0x511/0xa00 net/ipv6/addrconf.c:3567 addrconf_notify+0xb1e/0x1050 net/ipv6/addrconf.c:3740 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1 netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3158 rtnl_changelink net/core/rtnetlink.c:3776 [inline] __rtnl_newlink net/core/rtnetlink.c:3935 [inline] rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 Call trace for netdevsim0[18] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] dev_get_by_index+0x1b3/0x2f0 net/core/dev.c:995 netdev_get_by_index+0x25/0xb0 net/core/dev.c:1018 fib6_nh_init+0x1c7/0x1f20 net/ipv6/route.c:3598 ip6_route_info_create_nh+0x16a/0xab0 net/ipv6/route.c:3898 addrconf_f6i_alloc+0x203/0x450 net/ipv6/route.c:4690 ipv6_add_addr+0x56e/0x1090 net/ipv6/addrconf.c:1126 addrconf_add_linklocal+0x28c/0x6c0 net/ipv6/addrconf.c:3311 addrconf_addr_gen+0x490/0x580 net/ipv6/addrconf.c:3442 addrconf_init_auto_addrs+0x5c2/0xa00 net/ipv6/addrconf.c:-1 addrconf_notify+0xb1e/0x1050 net/ipv6/addrconf.c:3740 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1 netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3158 rtnl_changelink net/core/rtnetlink.c:3776 [inline] __rtnl_newlink net/core/rtnetlink.c:3935 [inline] rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 Call trace for netdevsim0[19] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] addr_event+0x302/0x480 drivers/infiniband/core/roce_gid_mgmt.c:897 inet6addr_event+0x9f/0xd0 drivers/infiniband/core/roce_gid_mgmt.c:930 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 atomic_notifier_call_chain+0xda/0x180 kernel/notifier.c:223 ipv6_add_addr+0xda9/0x1090 net/ipv6/addrconf.c:1186 addrconf_add_linklocal+0x28c/0x6c0 net/ipv6/addrconf.c:3311 addrconf_addr_gen+0x490/0x580 net/ipv6/addrconf.c:3442 addrconf_init_auto_addrs+0x5c2/0xa00 net/ipv6/addrconf.c:-1 addrconf_notify+0xb1e/0x1050 net/ipv6/addrconf.c:3740 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1 netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3158 rtnl_changelink net/core/rtnetlink.c:3776 [inline] __rtnl_newlink net/core/rtnetlink.c:3935 [inline] rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 Call trace for netdevsim0[20] -2 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] dev_put include/linux/netdevice.h:4478 [inline] update_gid_event_work_handler+0x84/0xf0 drivers/infiniband/core/roce_gid_mgmt.c:861 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[21] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] dev_get_by_index+0x1b3/0x2f0 net/core/dev.c:995 netdev_get_by_index+0x25/0xb0 net/core/dev.c:1018 fib6_nh_init+0x1c7/0x1f20 net/ipv6/route.c:3598 ip6_route_info_create_nh+0x16a/0xab0 net/ipv6/route.c:3898 ip6_route_add+0x6e/0x1b0 net/ipv6/route.c:3950 addrconf_prefix_route net/ipv6/addrconf.c:2488 [inline] addrconf_add_linklocal+0x45f/0x6c0 net/ipv6/addrconf.c:3313 addrconf_addr_gen+0x490/0x580 net/ipv6/addrconf.c:3442 addrconf_init_auto_addrs+0x5c2/0xa00 net/ipv6/addrconf.c:-1 addrconf_notify+0xb1e/0x1050 net/ipv6/addrconf.c:3740 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1 netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3158 rtnl_changelink net/core/rtnetlink.c:3776 [inline] __rtnl_newlink net/core/rtnetlink.c:3935 [inline] rtnl_newlink+0x161c/0x1c90 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 Call trace for netdevsim0[22] +4 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dst_init+0x6f/0x490 net/core/dst.c:52 dst_alloc+0x12a/0x170 net/core/dst.c:94 ip6_dst_alloc net/ipv6/route.c:342 [inline] icmp6_dst_alloc+0x75/0x420 net/ipv6/route.c:3333 mld_sendpack+0x683/0xe60 net/ipv6/mcast.c:1844 mld_send_cr net/ipv6/mcast.c:2154 [inline] mld_ifc_work+0x83e/0xd60 net/ipv6/mcast.c:2693 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[23] +2 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] ___neigh_create+0xc3d/0x2240 net/core/neighbour.c:665 ip6_finish_output2+0x1038/0x1360 net/ipv6/ip6_output.c:128 NF_HOOK_COND include/linux/netfilter.h:307 [inline] ip6_output+0x340/0x550 net/ipv6/ip6_output.c:247 NF_HOOK+0x9e/0x380 include/linux/netfilter.h:318 mld_sendpack+0x8d4/0xe60 net/ipv6/mcast.c:1855 mld_send_cr net/ipv6/mcast.c:2154 [inline] mld_ifc_work+0x83e/0xd60 net/ipv6/mcast.c:2693 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[24] -15 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] dst_destroy+0x117/0x360 net/core/dst.c:115 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x7bd/0x1060 kernel/rcu/tree.c:2869 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:626 Call trace for netdevsim0[25] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dst_init+0x6f/0x490 net/core/dst.c:52 dst_alloc+0x12a/0x170 net/core/dst.c:94 ip6_dst_alloc net/ipv6/route.c:342 [inline] icmp6_dst_alloc+0x75/0x420 net/ipv6/route.c:3333 ndisc_send_skb+0x3f1/0x1510 net/ipv6/ndisc.c:491 ndisc_send_ns+0xcb/0x150 net/ipv6/ndisc.c:670 addrconf_dad_work+0xaae/0x14b0 net/ipv6/addrconf.c:4282 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[26] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] ___neigh_create+0xc3d/0x2240 net/core/neighbour.c:665 ip6_finish_output2+0x1038/0x1360 net/ipv6/ip6_output.c:128 NF_HOOK_COND include/linux/netfilter.h:307 [inline] ip6_output+0x340/0x550 net/ipv6/ip6_output.c:247 NF_HOOK include/linux/netfilter.h:318 [inline] ndisc_send_skb+0xbce/0x1510 net/ipv6/ndisc.c:512 ndisc_send_ns+0xcb/0x150 net/ipv6/ndisc.c:670 addrconf_dad_work+0xaae/0x14b0 net/ipv6/addrconf.c:4282 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[27] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dst_init+0x6f/0x490 net/core/dst.c:52 dst_alloc+0x12a/0x170 net/core/dst.c:94 ip6_dst_alloc net/ipv6/route.c:342 [inline] icmp6_dst_alloc+0x75/0x420 net/ipv6/route.c:3333 mld_sendpack+0x683/0xe60 net/ipv6/mcast.c:1844 ipv6_mc_dad_complete+0x88/0x410 net/ipv6/mcast.c:2279 addrconf_dad_completed+0x6d5/0xd60 net/ipv6/addrconf.c:4340 addrconf_dad_work+0xc36/0x14b0 net/ipv6/addrconf.c:-1 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[28] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dst_init+0x6f/0x490 net/core/dst.c:52 dst_alloc+0x12a/0x170 net/core/dst.c:94 ip6_dst_alloc net/ipv6/route.c:342 [inline] icmp6_dst_alloc+0x75/0x420 net/ipv6/route.c:3333 ndisc_send_skb+0x3f1/0x1510 net/ipv6/ndisc.c:491 addrconf_dad_completed+0x7ae/0xd60 net/ipv6/addrconf.c:4360 addrconf_dad_work+0xc36/0x14b0 net/ipv6/addrconf.c:-1 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[29] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] ___neigh_create+0xc3d/0x2240 net/core/neighbour.c:665 ip6_finish_output2+0x1038/0x1360 net/ipv6/ip6_output.c:128 NF_HOOK_COND include/linux/netfilter.h:307 [inline] ip6_output+0x340/0x550 net/ipv6/ip6_output.c:247 NF_HOOK include/linux/netfilter.h:318 [inline] ndisc_send_skb+0xbce/0x1510 net/ipv6/ndisc.c:512 addrconf_dad_completed+0x7ae/0xd60 net/ipv6/addrconf.c:4360 addrconf_dad_work+0xc36/0x14b0 net/ipv6/addrconf.c:-1 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[30] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dst_init+0x6f/0x490 net/core/dst.c:52 dst_alloc+0x12a/0x170 net/core/dst.c:94 ip6_dst_alloc net/ipv6/route.c:342 [inline] icmp6_dst_alloc+0x75/0x420 net/ipv6/route.c:3333 mld_sendpack+0x683/0xe60 net/ipv6/mcast.c:1844 mld_dad_work+0x46/0x490 net/ipv6/mcast.c:2294 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[31] +7 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dst_init+0x6f/0x490 net/core/dst.c:52 dst_alloc+0x12a/0x170 net/core/dst.c:94 ip6_dst_alloc net/ipv6/route.c:342 [inline] icmp6_dst_alloc+0x75/0x420 net/ipv6/route.c:3333 ndisc_send_skb+0x3f1/0x1510 net/ipv6/ndisc.c:491 addrconf_rs_timer+0x369/0x6a0 net/ipv6/addrconf.c:4037 call_timer_fn+0x16e/0x590 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers kernel/time/timer.c:2373 [inline] __run_timer_base+0x61a/0x860 kernel/time/timer.c:2385 run_timer_base kernel/time/timer.c:2394 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2404 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:626 Call trace for netdevsim0[32] -7 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] neigh_destroy+0x35c/0x5d0 net/core/neighbour.c:941 neigh_periodic_work+0xb4f/0xe50 net/core/neighbour.c:1030 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 process_scheduled_works kernel/workqueue.c:3362 [inline] worker_thread+0x9b0/0xee0 kernel/workqueue.c:3443 kthread+0x389/0x480 kernel/kthread.c:467 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Call trace for netdevsim0[33] +3 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] ___neigh_create+0xc3d/0x2240 net/core/neighbour.c:665 ip6_finish_output2+0x1038/0x1360 net/ipv6/ip6_output.c:128 NF_HOOK_COND include/linux/netfilter.h:307 [inline] ip6_output+0x340/0x550 net/ipv6/ip6_output.c:247 NF_HOOK include/linux/netfilter.h:318 [inline] ndisc_send_skb+0xbce/0x1510 net/ipv6/ndisc.c:512 addrconf_rs_timer+0x369/0x6a0 net/ipv6/addrconf.c:4037 call_timer_fn+0x16e/0x590 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers kernel/time/timer.c:2373 [inline] __run_timer_base+0x61a/0x860 kernel/time/timer.c:2385 run_timer_base kernel/time/timer.c:2394 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2404 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:626 Call trace for netdevsim0[34] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] dev_get_by_index+0x1b3/0x2f0 net/core/dev.c:995 xfrm_dev_state_add+0x336/0xc00 net/xfrm/xfrm_device.c:268 xfrm_state_construct net/xfrm/xfrm_user.c:986 [inline] xfrm_add_sa+0x34ae/0x4220 net/xfrm/xfrm_user.c:1022 xfrm_user_rcv_msg+0x7a3/0xab0 net/xfrm/xfrm_user.c:3507 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550 xfrm_netlink_rcv+0x79/0x90 net/xfrm/xfrm_user.c:3529 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737 Call trace for netdevsim0[35] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] linkwatch_add_event net/core/link_watch.c:131 [inline] linkwatch_fire_event+0x166/0x220 net/core/link_watch.c:314 nsim_stop+0x88/0x430 drivers/net/netdevsim/netdev.c:595 __dev_close_many+0x344/0x6b0 net/core/dev.c:1768 netif_close_many+0x225/0x410 net/core/dev.c:1793 netif_close_many_and_unlock net/core/dev.c:12314 [inline] unregister_netdevice_many_notify+0x828/0x2340 net/core/dev.c:12378 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[36] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] addr_event+0x302/0x480 drivers/infiniband/core/roce_gid_mgmt.c:897 inet6addr_event+0x9f/0xd0 drivers/infiniband/core/roce_gid_mgmt.c:930 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 atomic_notifier_call_chain+0xda/0x180 kernel/notifier.c:223 addrconf_ifdown+0xe66/0x1870 net/ipv6/addrconf.c:3978 addrconf_notify+0x1bc/0x1050 net/ipv6/addrconf.c:-1 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] netif_close_many+0x29c/0x410 net/core/dev.c:1797 netif_close_many_and_unlock net/core/dev.c:12314 [inline] unregister_netdevice_many_notify+0x828/0x2340 net/core/dev.c:12378 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[37] -3 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] fib_nh_common_release+0x5c/0x430 net/ipv4/fib_semantics.c:204 fib6_info_destroy_rcu+0xca/0x1c0 net/ipv6/ip6_fib.c:177 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x7bd/0x1060 kernel/rcu/tree.c:2869 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:626 Call trace for netdevsim0[38] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] __qdisc_destroy+0x1c9/0x410 net/sched/sch_generic.c:1081 qdisc_put net/sched/sch_generic.c:1105 [inline] dev_shutdown+0x34c/0x440 net/sched/sch_generic.c:1493 unregister_netdevice_many_notify+0x11b3/0x2340 net/core/dev.c:12402 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[39] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:698 [inline] netdevice_event+0x532/0x8e0 drivers/infiniband/core/roce_gid_mgmt.c:849 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] unregister_netdevice_many_notify+0x1867/0x2340 net/core/dev.c:12414 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[40] +1 at __dev_hold include/linux/netdevice.h:4400 [inline] netdev_hold include/linux/netdevice.h:4443 [inline] dev_hold include/linux/netdevice.h:4466 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:699 [inline] netdevice_event+0x5db/0x8e0 drivers/infiniband/core/roce_gid_mgmt.c:849 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] unregister_netdevice_many_notify+0x1867/0x2340 net/core/dev.c:12414 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[41] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] neigh_parms_release+0x173/0x200 net/core/neighbour.c:1792 inetdev_destroy net/ipv4/devinet.c:335 [inline] inetdev_event+0x7b5/0x15a0 net/ipv4/devinet.c:1655 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] unregister_netdevice_many_notify+0x1867/0x2340 net/core/dev.c:12414 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[42] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] in_dev_finish_destroy+0xa7/0x1a0 net/ipv4/devinet.c:258 in_dev_put include/linux/inetdevice.h:290 [inline] inetdev_destroy net/ipv4/devinet.c:338 [inline] inetdev_event+0x7fc/0x15a0 net/ipv4/devinet.c:1655 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] unregister_netdevice_many_notify+0x1867/0x2340 net/core/dev.c:12414 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[43] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] neigh_parms_release+0x173/0x200 net/core/neighbour.c:1792 addrconf_ifdown+0x15a8/0x1870 net/ipv6/addrconf.c:4007 addrconf_notify+0x1bc/0x1050 net/ipv6/addrconf.c:-1 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] unregister_netdevice_many_notify+0x1867/0x2340 net/core/dev.c:12414 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[44] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] in6_dev_finish_destroy+0xdd/0x1e0 net/ipv6/addrconf_core.c:273 in6_dev_put include/net/addrconf.h:422 [inline] addrconf_ifdown+0x15fe/0x1870 net/ipv6/addrconf.c:4009 addrconf_notify+0x1bc/0x1050 net/ipv6/addrconf.c:-1 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] unregister_netdevice_many_notify+0x1867/0x2340 net/core/dev.c:12414 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[45] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] batadv_hardif_release net/batman-adv/hard-interface.c:55 [inline] kref_put include/linux/kref.h:65 [inline] batadv_hardif_put+0x8f/0x140 net/batman-adv/hard-interface.h:94 batadv_hard_if_event+0x624/0x1240 net/batman-adv/hard-interface.c:1008 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] unregister_netdevice_many_notify+0x1867/0x2340 net/core/dev.c:12414 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[46] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] dev_put include/linux/netdevice.h:4478 [inline] udp_tunnel_nic_unregister net/ipv4/udp_tunnel_nic.c:913 [inline] udp_tunnel_nic_netdevice_event+0x1582/0x17e0 net/ipv4/udp_tunnel_nic.c:942 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline] call_netdevice_notifiers net/core/dev.c:2295 [inline] unregister_netdevice_many_notify+0x1867/0x2340 net/core/dev.c:12414 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[47] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] rx_queue_release+0x126/0x1a0 net/core/net-sysfs.c:1181 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x228/0x570 lib/kobject.c:737 net_rx_queue_update_kobjects+0x6a6/0x750 net/core/net-sysfs.c:1338 remove_queue_kobjects net/core/net-sysfs.c:2169 [inline] netdev_unregister_kobject+0x113/0x450 net/core/net-sysfs.c:2325 unregister_netdevice_many_notify+0x1ddd/0x2340 net/core/dev.c:12449 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[48] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] netdev_queue_release+0x6a/0xd0 net/core/net-sysfs.c:1931 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x228/0x570 lib/kobject.c:737 netdev_queue_update_kobjects+0x5e8/0x6d0 net/core/net-sysfs.c:2073 remove_queue_kobjects net/core/net-sysfs.c:2170 [inline] netdev_unregister_kobject+0x11f/0x450 net/core/net-sysfs.c:2325 unregister_netdevice_many_notify+0x1ddd/0x2340 net/core/dev.c:12449 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[49] -1 at __dev_put include/linux/netdevice.h:4386 [inline] netdev_put include/linux/netdevice.h:4453 [inline] unregister_netdevice_many_notify+0x2037/0x2340 net/core/dev.c:12459 unregister_netdevice_many net/core/dev.c:12477 [inline] unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12291 unregister_netdevice include/linux/netdevice.h:3411 [inline] nsim_destroy+0x21f/0x730 drivers/net/netdevsim/netdev.c:1180 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1529 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1541 [inline] nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1d9/0x3d0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:161 [inline] ops_undo_list+0x187/0x990 net/core/net_namespace.c:234 cleanup_net+0x4d8/0x7a0 net/core/net_namespace.c:696 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 Call trace for netdevsim0[50] -1 at __dev_put include/linux/netdevice.h:4386 [inline] linkwatch_do_dev+0x89/0x180 net/core/link_watch.c:191 __linkwatch_run_queue+0x56a/0x7e0 net/core/link_watch.c:244 linkwatch_event+0x4c/0x60 net/core/link_watch.c:304 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279 balance as of netdevsim0[50] is 1