unregister_netdevice: waiting for netdevsim0 to become free. Usage count = 2
ref_tracker: netdev@ffff88805b5fc630 has 1/1 users at
     xfrm_dev_state_add+0x6f4/0xc40 net/xfrm/xfrm_device.c:316
     xfrm_state_construct net/xfrm/xfrm_user.c:986 [inline]
     xfrm_add_sa+0x34ca/0x4230 net/xfrm/xfrm_user.c:1022
     xfrm_user_rcv_msg+0x746/0xb20 net/xfrm/xfrm_user.c:3507
     netlink_rcv_skb+0x232/0x4b0 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+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
     __sock_sendmsg net/socket.c:752 [inline]
     ____sys_sendmsg+0x589/0x8c0 net/socket.c:2610
     ___sys_sendmsg+0x2a5/0x360 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+0x1bd/0x2a0 net/socket.c:2699
     do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
     do_syscall_64+0x14d/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 0
Call trace for netdevsim0[1] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x12c0/0x1cf0 net/core/dev.c:11409
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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+0x61d/0xb90 fs/read_write.c:688
     ksys_write+0x150/0x270 fs/read_write.c:740
Call trace for netdevsim0[2] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x12c0/0x1cf0 net/core/dev.c:11409
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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+0x61d/0xb90 fs/read_write.c:688
     ksys_write+0x150/0x270 fs/read_write.c:740
Call trace for netdevsim0[3] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold+0x27/0xc0 include/linux/netdevice.h:4446
     register_netdevice+0x15cc/0x1cf0 net/core/dev.c:11433
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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+0x61d/0xb90 fs/read_write.c:688
     ksys_write+0x150/0x270 fs/read_write.c:740
     do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
     do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
Call trace for netdevsim0[4] +3 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [inline]
     netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:698 [inline]
     netdevice_event+0x4ea/0x8d0 drivers/infiniband/core/roce_gid_mgmt.c:849
     notifier_call_chain+0x1be/0x400 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+0x173a/0x1cf0 net/core/dev.c:11447
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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+0x61d/0xb90 fs/read_write.c:688
     ksys_write+0x150/0x270 fs/read_write.c:740
Call trace for netdevsim0[5] +3 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [inline]
     netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:699 [inline]
     netdevice_event+0x593/0x8d0 drivers/infiniband/core/roce_gid_mgmt.c:849
     notifier_call_chain+0x1be/0x400 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+0x173a/0x1cf0 net/core/dev.c:11447
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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+0x61d/0xb90 fs/read_write.c:688
     ksys_write+0x150/0x270 fs/read_write.c:740
Call trace for netdevsim0[6] -7 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     dev_put include/linux/netdevice.h:4481 [inline]
     netdevice_event_work_handler+0x12c/0x260 drivers/infiniband/core/roce_gid_mgmt.c:675
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[7] -7 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     dev_put include/linux/netdevice.h:4481 [inline]
     netdevice_event_work_handler+0x1b2/0x260 drivers/infiniband/core/roce_gid_mgmt.c:676
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[8] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     neigh_parms_alloc+0x192/0x530 net/core/neighbour.c:1778
     inetdev_init+0x118/0x4f0 net/ipv4/devinet.c:280
     inetdev_event+0x30d/0x1610 net/ipv4/devinet.c:1590
     notifier_call_chain+0x1be/0x400 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+0x173a/0x1cf0 net/core/dev.c:11447
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     inetdev_init+0x19f/0x4f0 net/ipv4/devinet.c:286
     inetdev_event+0x30d/0x1610 net/ipv4/devinet.c:1590
     notifier_call_chain+0x1be/0x400 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+0x173a/0x1cf0 net/core/dev.c:11447
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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+0x61d/0xb90 fs/read_write.c:688
Call trace for netdevsim0[10] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     neigh_parms_alloc+0x192/0x530 net/core/neighbour.c:1778
     ipv6_add_dev+0x40d/0x13c0 net/ipv6/addrconf.c:403
     addrconf_notify+0x771/0x1050 net/ipv6/addrconf.c:3655
     notifier_call_chain+0x1be/0x400 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+0x173a/0x1cf0 net/core/dev.c:11447
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     ipv6_add_dev+0x4ae/0x13c0 net/ipv6/addrconf.c:411
     addrconf_notify+0x771/0x1050 net/ipv6/addrconf.c:3655
     notifier_call_chain+0x1be/0x400 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+0x173a/0x1cf0 net/core/dev.c:11447
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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+0x61d/0xb90 fs/read_write.c:688
Call trace for netdevsim0[12] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x1be/0x400 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+0x173a/0x1cf0 net/core/dev.c:11447
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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+0x61d/0xb90 fs/read_write.c:688
     ksys_write+0x150/0x270 fs/read_write.c:740
Call trace for netdevsim0[13] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [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+0x1be/0x400 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+0x173a/0x1cf0 net/core/dev.c:11447
     nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1064 [inline]
     nsim_create+0xb92/0x1100 drivers/net/netdevsim/netdev.c:1146
     __nsim_dev_port_add+0x72a/0xb50 drivers/net/netdevsim/dev.c:1494
     nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1550
     nsim_drv_probe+0x905/0xc20 drivers/net/netdevsim/dev.c:1711
     call_driver_probe drivers/base/dd.c:-1 [inline]
     really_probe+0x267/0xaf0 drivers/base/dd.c:661
     __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
     driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
     __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
     bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
     __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
     device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
     bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
     device_add+0x7b6/0xb70 drivers/base/core.c:3689
     nsim_bus_dev_new drivers/net/netdevsim/bus.c:471 [inline]
     new_device_store+0x37b/0x710 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+0x61d/0xb90 fs/read_write.c:688
     ksys_write+0x150/0x270 fs/read_write.c:740
Call trace for netdevsim0[14] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     qdisc_alloc+0x631/0x910 net/sched/sch_generic.c:985
     qdisc_create_dflt+0x8e/0x510 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:2688 [inline]
     attach_default_qdiscs net/sched/sch_generic.c:1192 [inline]
     dev_activate+0x378/0x1150 net/sched/sch_generic.c:1251
     __dev_open+0x67a/0x830 net/core/dev.c:1704
     __dev_change_flags+0x1f7/0x690 net/core/dev.c:9749
     netif_change_flags+0x88/0x1a0 net/core/dev.c:9812
     do_setlink+0xf82/0x4590 net/core/rtnetlink.c:3158
     rtnl_changelink net/core/rtnetlink.c:3776 [inline]
     __rtnl_newlink net/core/rtnetlink.c:3935 [inline]
     rtnl_newlink+0x15a9/0x1be0 net/core/rtnetlink.c:4072
     rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 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:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [inline]
     netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:698 [inline]
     netdevice_event+0x4ea/0x8d0 drivers/infiniband/core/roce_gid_mgmt.c:849
     notifier_call_chain+0x1be/0x400 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+0x1a9/0x310 net/core/dev.c:9788
     netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817
     do_setlink+0xf82/0x4590 net/core/rtnetlink.c:3158
     rtnl_changelink net/core/rtnetlink.c:3776 [inline]
     __rtnl_newlink net/core/rtnetlink.c:3935 [inline]
     rtnl_newlink+0x15a9/0x1be0 net/core/rtnetlink.c:4072
     rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 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:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [inline]
     netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:699 [inline]
     netdevice_event+0x593/0x8d0 drivers/infiniband/core/roce_gid_mgmt.c:849
     notifier_call_chain+0x1be/0x400 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+0x1a9/0x310 net/core/dev.c:9788
     netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817
     do_setlink+0xf82/0x4590 net/core/rtnetlink.c:3158
     rtnl_changelink net/core/rtnetlink.c:3776 [inline]
     __rtnl_newlink net/core/rtnetlink.c:3935 [inline]
     rtnl_newlink+0x15a9/0x1be0 net/core/rtnetlink.c:4072
     rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 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:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [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+0x1f2/0x2010 net/ipv6/route.c:3598
     ip6_route_info_create_nh+0x16a/0xad0 net/ipv6/route.c:3898
     ip6_route_add+0x6e/0x1b0 net/ipv6/route.c:3950
     addrconf_add_mroute+0x2d1/0x370 net/ipv6/addrconf.c:2552
     addrconf_add_dev net/ipv6/addrconf.c:2570 [inline]
     addrconf_dev_config net/ipv6/addrconf.c:3484 [inline]
     addrconf_init_auto_addrs+0x4d7/0xa50 net/ipv6/addrconf.c:3572
     addrconf_notify+0xb1e/0x1050 net/ipv6/addrconf.c:3745
     notifier_call_chain+0x1be/0x400 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+0x1a9/0x310 net/core/dev.c:9788
     netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817
     do_setlink+0xf82/0x4590 net/core/rtnetlink.c:3158
     rtnl_changelink net/core/rtnetlink.c:3776 [inline]
     __rtnl_newlink net/core/rtnetlink.c:3935 [inline]
     rtnl_newlink+0x15a9/0x1be0 net/core/rtnetlink.c:4072
     rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 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:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [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+0x1f2/0x2010 net/ipv6/route.c:3598
     ip6_route_info_create_nh+0x16a/0xad0 net/ipv6/route.c:3898
     addrconf_f6i_alloc+0x3b7/0x630 net/ipv6/route.c:4690
     ipv6_add_addr+0x59c/0x1100 net/ipv6/addrconf.c:1126
     addrconf_add_linklocal+0x20c/0x460 net/ipv6/addrconf.c:3311
     addrconf_addr_gen+0x2f8/0x360 net/ipv6/addrconf.c:3447
     addrconf_notify+0xb1e/0x1050 net/ipv6/addrconf.c:3745
     notifier_call_chain+0x1be/0x400 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+0x1a9/0x310 net/core/dev.c:9788
     netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817
     do_setlink+0xf82/0x4590 net/core/rtnetlink.c:3158
     rtnl_changelink net/core/rtnetlink.c:3776 [inline]
     __rtnl_newlink net/core/rtnetlink.c:3935 [inline]
     rtnl_newlink+0x15a9/0x1be0 net/core/rtnetlink.c:4072
     rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 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:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [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+0x1be/0x400 kernel/notifier.c:85
     atomic_notifier_call_chain+0xda/0x180 kernel/notifier.c:223
     ipv6_add_addr+0xe08/0x1100 net/ipv6/addrconf.c:1186
     addrconf_add_linklocal+0x20c/0x460 net/ipv6/addrconf.c:3311
     addrconf_addr_gen+0x2f8/0x360 net/ipv6/addrconf.c:3447
     addrconf_notify+0xb1e/0x1050 net/ipv6/addrconf.c:3745
     notifier_call_chain+0x1be/0x400 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+0x1a9/0x310 net/core/dev.c:9788
     netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817
     do_setlink+0xf82/0x4590 net/core/rtnetlink.c:3158
     rtnl_changelink net/core/rtnetlink.c:3776 [inline]
     __rtnl_newlink net/core/rtnetlink.c:3935 [inline]
     rtnl_newlink+0x15a9/0x1be0 net/core/rtnetlink.c:4072
     rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 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:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     dev_put include/linux/netdevice.h:4481 [inline]
     update_gid_event_work_handler+0x84/0xf0 drivers/infiniband/core/roce_gid_mgmt.c:861
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[21] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [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+0x1f2/0x2010 net/ipv6/route.c:3598
     ip6_route_info_create_nh+0x16a/0xad0 net/ipv6/route.c:3898
     ip6_route_add+0x6e/0x1b0 net/ipv6/route.c:3950
     addrconf_prefix_route+0x3a2/0x480 net/ipv6/addrconf.c:2488
     addrconf_add_linklocal+0x266/0x460 net/ipv6/addrconf.c:3313
     addrconf_addr_gen+0x2f8/0x360 net/ipv6/addrconf.c:3447
     addrconf_notify+0xb1e/0x1050 net/ipv6/addrconf.c:3745
     notifier_call_chain+0x1be/0x400 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+0x1a9/0x310 net/core/dev.c:9788
     netif_change_flags+0xe8/0x1a0 net/core/dev.c:9817
     do_setlink+0xf82/0x4590 net/core/rtnetlink.c:3158
     rtnl_changelink net/core/rtnetlink.c:3776 [inline]
     __rtnl_newlink net/core/rtnetlink.c:3935 [inline]
     rtnl_newlink+0x15a9/0x1be0 net/core/rtnetlink.c:4072
     rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[22] +2 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x75/0x440 net/ipv6/route.c:3333
     mld_sendpack+0x6ba/0xe40 net/ipv6/mcast.c:1844
     mld_send_cr net/ipv6/mcast.c:2154 [inline]
     mld_ifc_work+0x835/0xe70 net/ipv6/mcast.c:2693
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[23] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     ___neigh_create+0xc3d/0x2290 net/core/neighbour.c:664
     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+0xa2/0x3a0 include/linux/netfilter.h:318
     mld_sendpack+0x8b4/0xe40 net/ipv6/mcast.c:1855
     mld_send_cr net/ipv6/mcast.c:2154 [inline]
     mld_ifc_work+0x835/0xe70 net/ipv6/mcast.c:2693
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[24] -11 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     dst_destroy+0x117/0x360 net/core/dst.c:115
     rcu_do_batch kernel/rcu/tree.c:2617 [inline]
     rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
     handle_softirqs+0x22a/0x870 kernel/softirq.c:626
Call trace for netdevsim0[25] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x75/0x440 net/ipv6/route.c:3333
     ndisc_send_skb+0x42d/0x14e0 net/ipv6/ndisc.c:491
     ndisc_send_ns+0xd7/0x160 net/ipv6/ndisc.c:670
     addrconf_dad_work+0xac4/0x14c0 net/ipv6/addrconf.c:4287
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[26] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     ___neigh_create+0xc3d/0x2290 net/core/neighbour.c:664
     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+0xbaa/0x14e0 net/ipv6/ndisc.c:512
     ndisc_send_ns+0xd7/0x160 net/ipv6/ndisc.c:670
     addrconf_dad_work+0xac4/0x14c0 net/ipv6/addrconf.c:4287
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[27] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x75/0x440 net/ipv6/route.c:3333
     mld_sendpack+0x6ba/0xe40 net/ipv6/mcast.c:1844
     ipv6_mc_dad_complete+0x88/0x540 net/ipv6/mcast.c:2279
     addrconf_dad_completed+0x8a7/0xe60 net/ipv6/addrconf.c:4345
     addrconf_dad_work+0xc5e/0x14c0 net/ipv6/addrconf.c:-1
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[28] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x75/0x440 net/ipv6/route.c:3333
     ndisc_send_skb+0x42d/0x14e0 net/ipv6/ndisc.c:491
     addrconf_dad_completed+0x909/0xe60 net/ipv6/addrconf.c:4365
     addrconf_dad_work+0xc5e/0x14c0 net/ipv6/addrconf.c:-1
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[29] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     ___neigh_create+0xc3d/0x2290 net/core/neighbour.c:664
     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+0xbaa/0x14e0 net/ipv6/ndisc.c:512
     addrconf_dad_completed+0x909/0xe60 net/ipv6/addrconf.c:4365
     addrconf_dad_work+0xc5e/0x14c0 net/ipv6/addrconf.c:-1
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[30] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x75/0x440 net/ipv6/route.c:3333
     mld_sendpack+0x6ba/0xe40 net/ipv6/mcast.c:1844
     mld_dad_work+0x45/0x5b0 net/ipv6/mcast.c:2294
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
Call trace for netdevsim0[31] +5 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x75/0x440 net/ipv6/route.c:3333
     ndisc_send_skb+0x42d/0x14e0 net/ipv6/ndisc.c:491
     addrconf_rs_timer+0x395/0x6d0 net/ipv6/addrconf.c:4042
     call_timer_fn+0x192/0x640 kernel/time/timer.c:1748
     expire_timers kernel/time/timer.c:1799 [inline]
     __run_timers kernel/time/timer.c:2373 [inline]
     __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2385
     run_timer_base kernel/time/timer.c:2394 [inline]
     run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2404
     handle_softirqs+0x22a/0x870 kernel/softirq.c:626
Call trace for netdevsim0[32] -3 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     neigh_destroy+0x35c/0x5d0 net/core/neighbour.c:940
     neigh_remove_one+0x46d/0x4c0 net/core/neighbour.c:249
     neigh_forced_gc net/core/neighbour.c:280 [inline]
     neigh_alloc net/core/neighbour.c:512 [inline]
     ___neigh_create+0x485/0x2290 net/core/neighbour.c:655
     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+0xbaa/0x14e0 net/ipv6/ndisc.c:512
     addrconf_rs_timer+0x395/0x6d0 net/ipv6/addrconf.c:4042
     call_timer_fn+0x192/0x640 kernel/time/timer.c:1748
     expire_timers kernel/time/timer.c:1799 [inline]
     __run_timers kernel/time/timer.c:2373 [inline]
     __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2385
     run_timer_base kernel/time/timer.c:2394 [inline]
     run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2404
     handle_softirqs+0x22a/0x870 kernel/softirq.c:626
Call trace for netdevsim0[33] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     ethnl_default_dumpit+0x1ed/0x630 net/ethtool/netlink.c:626
     genl_dumpit+0x10b/0x1b0 net/netlink/genetlink.c:1027
     netlink_dump+0x722/0xe80 net/netlink/af_netlink.c:2325
     __netlink_dump_start+0x5cb/0x7e0 net/netlink/af_netlink.c:2440
     genl_family_rcv_msg_dumpit+0x213/0x310 net/netlink/genetlink.c:1076
     genl_family_rcv_msg net/netlink/genetlink.c:1192 [inline]
     genl_rcv_msg+0x5e8/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[34] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     ethnl_default_dumpit+0x404/0x630 net/ethtool/netlink.c:632
     genl_dumpit+0x10b/0x1b0 net/netlink/genetlink.c:1027
     netlink_dump+0x722/0xe80 net/netlink/af_netlink.c:2325
     __netlink_dump_start+0x5cb/0x7e0 net/netlink/af_netlink.c:2440
     genl_family_rcv_msg_dumpit+0x213/0x310 net/netlink/genetlink.c:1076
     genl_family_rcv_msg net/netlink/genetlink.c:1192 [inline]
     genl_rcv_msg+0x5e8/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[35] +2 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     ___neigh_create+0xc3d/0x2290 net/core/neighbour.c:664
     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+0xbaa/0x14e0 net/ipv6/ndisc.c:512
     addrconf_rs_timer+0x395/0x6d0 net/ipv6/addrconf.c:4042
     call_timer_fn+0x192/0x640 kernel/time/timer.c:1748
     expire_timers kernel/time/timer.c:1799 [inline]
     __run_timers kernel/time/timer.c:2373 [inline]
     __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2385
     run_timer_base kernel/time/timer.c:2394 [inline]
     run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2404
     handle_softirqs+0x22a/0x870 kernel/softirq.c:626
Call trace for netdevsim0[36] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [inline]
     dev_get_by_index+0x1b3/0x2f0 net/core/dev.c:995
     xfrm_dev_state_add+0x33a/0xc40 net/xfrm/xfrm_device.c:268
     xfrm_state_construct net/xfrm/xfrm_user.c:986 [inline]
     xfrm_add_sa+0x34ca/0x4230 net/xfrm/xfrm_user.c:1022
     xfrm_user_rcv_msg+0x746/0xb20 net/xfrm/xfrm_user.c:3507
     netlink_rcv_skb+0x232/0x4b0 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+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[37] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     neigh_destroy+0x35c/0x5d0 net/core/neighbour.c:940
     neigh_periodic_work+0xb4f/0xe50 net/core/neighbour.c:1029
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
     process_scheduled_works kernel/workqueue.c:3362 [inline]
     worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
     kthread+0x388/0x470 kernel/kthread.c:467
     ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
     ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Call trace for netdevsim0[38] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [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+0x368/0x6d0 net/core/dev.c:1768
     netif_close_many+0x225/0x420 net/core/dev.c:1793
     netif_close_many_and_unlock net/core/dev.c:12317 [inline]
     unregister_netdevice_many_notify+0x81f/0x2380 net/core/dev.c:12381
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[39] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     neigh_destroy+0x35c/0x5d0 net/core/neighbour.c:940
     neigh_flush_dev net/core/neighbour.c:433 [inline]
     __neigh_ifdown+0x1e8/0x8c0 net/core/neighbour.c:467
     neigh_ifdown+0x1f/0x30 net/core/neighbour.c:491
     rt6_disable_ip+0x776/0x7f0 net/ipv6/route.c:5018
     addrconf_ifdown+0x161/0x1a40 net/ipv6/addrconf.c:3858
     addrconf_notify+0x1bc/0x1050 net/ipv6/addrconf.c:-1
     notifier_call_chain+0x1be/0x400 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+0x2ae/0x420 net/core/dev.c:1797
     netif_close_many_and_unlock net/core/dev.c:12317 [inline]
     unregister_netdevice_many_notify+0x81f/0x2380 net/core/dev.c:12381
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
Call trace for netdevsim0[40] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [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+0x1be/0x400 kernel/notifier.c:85
     atomic_notifier_call_chain+0xda/0x180 kernel/notifier.c:223
     addrconf_ifdown+0xeb3/0x1a40 net/ipv6/addrconf.c:3983
     addrconf_notify+0x1bc/0x1050 net/ipv6/addrconf.c:-1
     notifier_call_chain+0x1be/0x400 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+0x2ae/0x420 net/core/dev.c:1797
     netif_close_many_and_unlock net/core/dev.c:12317 [inline]
     unregister_netdevice_many_notify+0x81f/0x2380 net/core/dev.c:12381
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
Call trace for netdevsim0[41] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     __qdisc_destroy+0x1c9/0x450 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+0x11a9/0x2380 net/core/dev.c:12405
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[42] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [inline]
     netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:698 [inline]
     netdevice_event+0x4ea/0x8d0 drivers/infiniband/core/roce_gid_mgmt.c:849
     notifier_call_chain+0x1be/0x400 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+0x186a/0x2380 net/core/dev.c:12417
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[43] +1 at
     __dev_hold include/linux/netdevice.h:4403 [inline]
     netdev_hold include/linux/netdevice.h:4446 [inline]
     dev_hold include/linux/netdevice.h:4469 [inline]
     netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:699 [inline]
     netdevice_event+0x593/0x8d0 drivers/infiniband/core/roce_gid_mgmt.c:849
     notifier_call_chain+0x1be/0x400 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+0x186a/0x2380 net/core/dev.c:12417
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[44] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     neigh_parms_release+0x170/0x200 net/core/neighbour.c:1817
     inetdev_destroy net/ipv4/devinet.c:335 [inline]
     inetdev_event+0x7f4/0x1610 net/ipv4/devinet.c:1655
     notifier_call_chain+0x1be/0x400 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+0x186a/0x2380 net/core/dev.c:12417
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[45] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [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+0x83b/0x1610 net/ipv4/devinet.c:1655
     notifier_call_chain+0x1be/0x400 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+0x186a/0x2380 net/core/dev.c:12417
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[46] -3 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [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+0x7cd/0x1070 kernel/rcu/tree.c:2869
     handle_softirqs+0x22a/0x870 kernel/softirq.c:626
Call trace for netdevsim0[47] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     neigh_parms_release+0x170/0x200 net/core/neighbour.c:1817
     addrconf_ifdown+0x177b/0x1a40 net/ipv6/addrconf.c:4012
     addrconf_notify+0x1bc/0x1050 net/ipv6/addrconf.c:-1
     notifier_call_chain+0x1be/0x400 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+0x186a/0x2380 net/core/dev.c:12417
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[48] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     in6_dev_finish_destroy+0xdd/0x1e0 net/ipv6/addrconf_core.c:273
     in6_dev_put include/net/addrconf.h:422 [inline]
     addrconf_ifdown+0x17d1/0x1a40 net/ipv6/addrconf.c:4014
     addrconf_notify+0x1bc/0x1050 net/ipv6/addrconf.c:-1
     notifier_call_chain+0x1be/0x400 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+0x186a/0x2380 net/core/dev.c:12417
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[49] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [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+0x1be/0x400 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+0x186a/0x2380 net/core/dev.c:12417
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[50] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     dev_put include/linux/netdevice.h:4481 [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+0x1be/0x400 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+0x186a/0x2380 net/core/dev.c:12417
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[51] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [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+0x228/0x560 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+0x1e0e/0x2380 net/core/dev.c:12452
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[52] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [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+0x228/0x560 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+0x1e0e/0x2380 net/core/dev.c:12452
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[53] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     netdev_put include/linux/netdevice.h:4456 [inline]
     unregister_netdevice_many_notify+0x2068/0x2380 net/core/dev.c:12462
     unregister_netdevice_many net/core/dev.c:12480 [inline]
     unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12294
     unregister_netdevice include/linux/netdevice.h:3414 [inline]
     nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1183
     __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:1765
     nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
     devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
     devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
     genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
     genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
     genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
     netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
     genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
     netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
     netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
     netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
     sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
Call trace for netdevsim0[54] -1 at
     __dev_put include/linux/netdevice.h:4389 [inline]
     linkwatch_do_dev+0x89/0x180 net/core/link_watch.c:191
     __linkwatch_run_queue+0x572/0x7f0 net/core/link_watch.c:244
     linkwatch_event+0x4c/0x60 net/core/link_watch.c:304
     process_one_work+0x949/0x1650 kernel/workqueue.c:3279
balance as of netdevsim0[54] is 1
xfrm_dev_state_flush_secctx_check: LSM policy is rejecting this operation.
CPU: 1 UID: 0 PID: 16195 Comm: syz.3.3878 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 xfrm_dev_state_flush_secctx_check net/xfrm/xfrm_state.c:900 [inline]
 xfrm_dev_state_flush+0x5fa/0x740 net/xfrm/xfrm_state.c:971
 xfrm_dev_unregister net/xfrm/xfrm_device.c:549 [inline]
 xfrm_dev_event+0x1bc/0x3f0 net/xfrm/xfrm_device.c:570
 notifier_call_chain+0x1be/0x400 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline]
 call_netdevice_notifiers net/core/dev.c:2295 [inline]
 netdev_wait_allrefs_any net/core/dev.c:11589 [inline]
 netdev_run_todo+0x778/0x1130 net/core/dev.c:11710
 nsim_destroy+0x3ae/0x680 drivers/net/netdevsim/netdev.c:1190
 __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:1765
 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
 devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
 devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
 __sock_sendmsg net/socket.c:752 [inline]
 ____sys_sendmsg+0x589/0x8c0 net/socket.c:2610
 ___sys_sendmsg+0x2a5/0x360 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+0x1bd/0x2a0 net/socket.c:2699
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feb10f9aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007feb11efc028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007feb11215fa0 RCX: 00007feb10f9aeb9
RDX: 0000000006048800 RSI: 0000200000000080 RDI: 0000000000000005
RBP: 00007feb11008c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007feb11216038 R14: 00007feb11215fa0 R15: 00007ffdd0b07b18
 </TASK>
xfrm_dev_state_flush_secctx_check: LSM policy is rejecting this operation.
CPU: 0 UID: 0 PID: 16195 Comm: syz.3.3878 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 xfrm_dev_state_flush_secctx_check net/xfrm/xfrm_state.c:900 [inline]
 xfrm_dev_state_flush+0x5fa/0x740 net/xfrm/xfrm_state.c:971
 xfrm_dev_unregister net/xfrm/xfrm_device.c:549 [inline]
 xfrm_dev_event+0x1bc/0x3f0 net/xfrm/xfrm_device.c:570
 notifier_call_chain+0x1be/0x400 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline]
 call_netdevice_notifiers net/core/dev.c:2295 [inline]
 netdev_wait_allrefs_any net/core/dev.c:11589 [inline]
 netdev_run_todo+0x778/0x1130 net/core/dev.c:11710
 nsim_destroy+0x3ae/0x680 drivers/net/netdevsim/netdev.c:1190
 __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:1765
 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1039
 devlink_reload+0x1d1/0x8e0 net/devlink/dev.c:461
 devlink_nl_reload_doit+0xaaa/0xc80 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:737
 __sock_sendmsg net/socket.c:752 [inline]
 ____sys_sendmsg+0x589/0x8c0 net/socket.c:2610
 ___sys_sendmsg+0x2a5/0x360 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+0x1bd/0x2a0 net/socket.c:2699
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feb10f9aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007feb11efc028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007feb11215fa0 RCX: 00007feb10f9aeb9
RDX: 0000000006048800 RSI: 0000200000000080 RDI: 0000000000000005
RBP: 00007feb11008c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007feb11216038 R14: 00007feb11215fa0 R15: 00007ffdd0b07b18
 </TASK>