tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   c35bd4e428856ed8c1fae7f7dfa08a9141c153d1
commit: 52d1aa8b8249ff477aaa38b6f74a8ced780d079c [7841/10444] netfilter: conntrack: Fix data-races around ct mark
config: i386-randconfig-a013
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=52d1aa8b8249ff477aaa38b6f74a8ced780d079c
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 52d1aa8b8249ff477aaa38b6f74a8ced780d079c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/netfilter/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> net/netfilter/nf_conntrack_netlink.c:2674:6: warning: unused variable 'mark' [-Wunused-variable]
           u32 mark;
               ^
   1 warning generated.


vim +/mark +2674 net/netfilter/nf_conntrack_netlink.c

  2669	
  2670	static int __ctnetlink_glue_build(struct sk_buff *skb, struct nf_conn *ct)
  2671	{
  2672		const struct nf_conntrack_zone *zone;
  2673		struct nlattr *nest_parms;
> 2674		u32 mark;
  2675	
  2676		zone = nf_ct_zone(ct);
  2677	
  2678		nest_parms = nla_nest_start(skb, CTA_TUPLE_ORIG);
  2679		if (!nest_parms)
  2680			goto nla_put_failure;
  2681		if (ctnetlink_dump_tuples(skb, nf_ct_tuple(ct, IP_CT_DIR_ORIGINAL)) < 0)
  2682			goto nla_put_failure;
  2683		if (ctnetlink_dump_zone_id(skb, CTA_TUPLE_ZONE, zone,
  2684					   NF_CT_ZONE_DIR_ORIG) < 0)
  2685			goto nla_put_failure;
  2686		nla_nest_end(skb, nest_parms);
  2687	
  2688		nest_parms = nla_nest_start(skb, CTA_TUPLE_REPLY);
  2689		if (!nest_parms)
  2690			goto nla_put_failure;
  2691		if (ctnetlink_dump_tuples(skb, nf_ct_tuple(ct, IP_CT_DIR_REPLY)) < 0)
  2692			goto nla_put_failure;
  2693		if (ctnetlink_dump_zone_id(skb, CTA_TUPLE_ZONE, zone,
  2694					   NF_CT_ZONE_DIR_REPL) < 0)
  2695			goto nla_put_failure;
  2696		nla_nest_end(skb, nest_parms);
  2697	
  2698		if (ctnetlink_dump_zone_id(skb, CTA_ZONE, zone,
  2699					   NF_CT_DEFAULT_ZONE_DIR) < 0)
  2700			goto nla_put_failure;
  2701	
  2702		if (ctnetlink_dump_id(skb, ct) < 0)
  2703			goto nla_put_failure;
  2704	
  2705		if (ctnetlink_dump_status(skb, ct) < 0)
  2706			goto nla_put_failure;
  2707	
  2708		if (ctnetlink_dump_timeout(skb, ct, false) < 0)
  2709			goto nla_put_failure;
  2710	
  2711		if (ctnetlink_dump_protoinfo(skb, ct, false) < 0)
  2712			goto nla_put_failure;
  2713	
  2714		if (ctnetlink_dump_acct(skb, ct, IPCTNL_MSG_CT_GET) < 0 ||
  2715		    ctnetlink_dump_timestamp(skb, ct) < 0)
  2716			goto nla_put_failure;
  2717	
  2718		if (ctnetlink_dump_helpinfo(skb, ct) < 0)
  2719			goto nla_put_failure;
  2720	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp