tree: git://toccata2.tricolour.ca/linux-2.6-rgb.git ghak90-contid.v10.4 head: f35b133bb86541fa01252242812fcb2ca4baa23d commit: 80794c1061dee5488007857266263cb6430b352f [14/17] fixup! audit: add support for containerid to network namespaces config: powerpc64-randconfig-r026-20201114 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 9a85643cd357e412cff69067bb5c4840e228c2ab) 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 # install powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu git remote add audit-next git://toccata2.tricolour.ca/linux-2.6-rgb.git git fetch --no-tags audit-next ghak90-contid.v10.4 git checkout 80794c1061dee5488007857266263cb6430b352f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): record = audit_log_netns_contid_list(net, context); ^~~ net/netfilter/xt_AUDIT.c:72:17: note: initialize the variable 'net' to silence this warning struct net *net; ^ = NULL net/netfilter/xt_AUDIT.c:131:9: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat] XT_AUDIT_TYPE_MAX); ^~~~~~~~~~~~~~~~~ include/linux/printk.h:532:46: note: expanded from macro 'pr_info_ratelimited' printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:512:17: note: expanded from macro 'printk_ratelimited' printk(fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ include/uapi/linux/netfilter/xt_AUDIT.h:25:27: note: expanded from macro 'XT_AUDIT_TYPE_MAX' #define XT_AUDIT_TYPE_MAX (__XT_AUDIT_TYPE_MAX - 1) ^~~~~~~~~~~~~~~~~~~~~~~~~ 2 warnings generated. vim +/net +78 net/netfilter/xt_AUDIT.c 65 66 static unsigned int 67 audit_tg(struct sk_buff *skb, const struct xt_action_param *par) 68 { 69 struct audit_buffer *ab; 70 int fam = -1; 71 struct audit_context *context; 72 struct net *net; 73 int record; 74 75 if (audit_enabled == AUDIT_OFF) 76 goto out; 77 context = audit_alloc_local(GFP_ATOMIC); 79 ab = audit_log_start(context, GFP_ATOMIC, AUDIT_NETFILTER_PKT); 80 if (ab == NULL) 81 goto errout; 82 83 audit_log_format(ab, "mark=%#x", skb->mark); 84 85 switch (xt_family(par)) { 86 case NFPROTO_BRIDGE: 87 switch (eth_hdr(skb)->h_proto) { 88 case htons(ETH_P_IP): 89 fam = audit_ip4(ab, skb) ? NFPROTO_IPV4 : -1; 90 break; 91 case htons(ETH_P_IPV6): 92 fam = audit_ip6(ab, skb) ? NFPROTO_IPV6 : -1; 93 break; 94 } 95 break; 96 case NFPROTO_IPV4: 97 fam = audit_ip4(ab, skb) ? NFPROTO_IPV4 : -1; 98 break; 99 case NFPROTO_IPV6: 100 fam = audit_ip6(ab, skb) ? NFPROTO_IPV6 : -1; 101 break; 102 } 103 104 if (fam == -1) 105 audit_log_format(ab, " saddr=? daddr=? proto=-1"); 106 107 if (record) 108 audit_log_format(ab, " record=%d", record); 109 audit_log_end(ab); 110 111 net = xt_net(par); 112 errout: 113 audit_free_context(context); 114 out: 115 return XT_CONTINUE; 116 } 117 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org