Re: [PATCH net v8 1/1] openvswitch: Fix CT limit teardown use-after-free

Hi Yuqi,

kernel test robot noticed the following build errors:

[auto build test ERROR on 564973a259ec76f2dad0853420e7034cc43994c4]

url:    https://github.com/intel-lab-lkp/linux/commits/Yuqi-Xu/openvswitch-Fix-CT-limit-teardown-use-after-free/20260819-172433
base:   564973a259ec76f2dad0853420e7034cc43994c4
patch link:    https://lore.kernel.org/r/d9687780533d0b257e01ab792c8206a69beb281e.1787129643.git.xuyuqiabc%40gmail.com
patch subject: [PATCH net v8 1/1] openvswitch: Fix CT limit teardown use-after-free
config: i386-randconfig-011-20260821 (https://download.01.org/0day-ci/archive/20260821/[email protected]/config)
compiler: gcc-13 (Debian 13.3.0-16) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260821/[email protected]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

   net/openvswitch/datapath.c: In function 'ovs_exit_net':
>> net/openvswitch/datapath.c:2777:41: error: 'struct ovs_net' has no member named 'ct_exit_data'
    2777 |         ovs_ct_exit_finish(dnet, ovs_net->ct_exit_data);
         |                                         ^~


vim +2777 net/openvswitch/datapath.c

  2766	
  2767	static void __net_exit ovs_exit_net(struct net *dnet)
  2768	{
  2769		struct ovs_net *ovs_net = net_generic(dnet, ovs_net_id);
  2770		struct vport *vport, *vport_next;
  2771		struct datapath *dp, *dp_next;
  2772		struct net *net;
  2773		LIST_HEAD(head);
  2774	
  2775		ovs_lock();
  2776	
> 2777		ovs_ct_exit_finish(dnet, ovs_net->ct_exit_data);
  2778	
  2779		list_for_each_entry_safe(dp, dp_next, &ovs_net->dps, list_node)
  2780			__dp_destroy(dp);
  2781	
  2782		down_read(&net_rwsem);
  2783		for_each_net(net)
  2784			list_vports_from_net(net, dnet, &head);
  2785		up_read(&net_rwsem);
  2786	
  2787		/* Detach all vports from given namespace. */
  2788		list_for_each_entry_safe(vport, vport_next, &head, detach_list) {
  2789			list_del(&vport->detach_list);
  2790			ovs_dp_detach_port(vport);
  2791		}
  2792	
  2793		ovs_unlock();
  2794	
  2795		cancel_delayed_work_sync(&ovs_net->masks_rebalance);
  2796		cancel_work_sync(&ovs_net->dp_notify_work);
  2797	}
  2798	

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