Re: [PATCH] [PATCH net] tipc: fix UAF race in tipc_mon_peer_up/down/remove_peer vs bearer teardown

[kernel test robot <lkp@intel.com>]

Hi SnailSploit,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net/main]

url:    https://github.com/intel-lab-lkp/linux/commits/SnailSploit-Kai-Aizen/tipc-fix-UAF-race-in-tipc_mon_peer_up-down-remove_peer-vs-bearer-teardown/20260425-075205
base:   net/main
patch link:    https://lore.kernel.org/r/20260415061211.45530-1-95986478%2BSnailSploit%40users.noreply.github.com
patch subject: [PATCH] [PATCH net] tipc: fix UAF race in tipc_mon_peer_up/down/remove_peer vs bearer teardown
config: arc-randconfig-002-20260430 (https://download.01.org/0day-ci/archive/20260430/202604301148.jfXKC9HF-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260430/202604301148.jfXKC9HF-lkp@intel.com/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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604301148.jfXKC9HF-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> net/tipc/monitor.c:112:29: warning: 'tipc_monitor_rtnl' defined but not used [-Wunused-function]
    static struct tipc_monitor *tipc_monitor_rtnl(struct net *net, int bearer_id)
                                ^~~~~~~~~~~~~~~~~


vim +/tipc_monitor_rtnl +112 net/tipc/monitor.c

   110	
   111	/* tipc_monitor_rtnl - dereference monitors[] from RTNL-held control path. */
 > 112	static struct tipc_monitor *tipc_monitor_rtnl(struct net *net, int bearer_id)
   113	{
   114		return rtnl_dereference(tipc_net(net)->monitors[bearer_id]);
   115	}
   116	

-- 
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