Hi Florian, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on nf-next/master] url: https://github.com/0day-ci/linux/commits/Florian-Westphal/netfilter-bpf-b... base: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master config: openrisc-buildonly-randconfig-r004-20211014 (attached as .config) compiler: or1k-linux-gcc (GCC) 11.2.0 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://github.com/0day-ci/linux/commit/2d7f7c3f2aa0c1933f06cfb066511f4cd... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Florian-Westphal/netfilter-bpf-base-hook-program-generator/20211014-201309 git checkout 2d7f7c3f2aa0c1933f06cfb066511f4cdefd6ff7 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=openrisc SHELL=/bin/bash net/netfilter/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): net/netfilter/core.c: In function 'nf_hook_entries_grow': 195 | new->hook_prog = hook_bpf_prog; | ^~ 198 | old_prog = old->hook_prog; | ^~ net/netfilter/core.c: In function '__nf_hook_entries_try_shrink': net/netfilter/core.c:321:42: error: 'struct nf_hook_entries' has no member named 'hook_prog' 321 | old ? old->hook_prog : NULL, hook_bpf_prog); | ^~ vim +195 net/netfilter/core.c 123 124 static struct nf_hook_entries * 125 nf_hook_entries_grow(const struct nf_hook_entries *old, 126 const struct nf_hook_ops *reg) 127 { 128 unsigned int i, alloc_entries, nhooks, old_entries; 129 struct nf_hook_ops **orig_ops = NULL; 130 struct bpf_prog *hook_bpf_prog; 131 struct nf_hook_ops **new_ops; 132 struct nf_hook_entries *new; 133 bool inserted = false; 134 135 alloc_entries = 1; 136 old_entries = old ? old->num_hook_entries : 0; 137 138 if (old) { 139 orig_ops = nf_hook_entries_get_hook_ops(old); 140 141 for (i = 0; i < old_entries; i++) { 142 if (orig_ops[i] != &dummy_ops) 143 alloc_entries++; 144 } 145 } 146 147 if (alloc_entries > MAX_HOOK_COUNT) 148 return ERR_PTR(-E2BIG); 149 150 new = allocate_hook_entries_size(alloc_entries); 151 if (!new) 152 return ERR_PTR(-ENOMEM); 153 154 new_ops = nf_hook_entries_get_hook_ops(new); 155 156 i = 0; 157 nhooks = 0; 158 while (i < old_entries) { 159 if (orig_ops[i] == &dummy_ops) { 160 ++i; 161 continue; 162 } 163 164 if (inserted || reg->priority > orig_ops[i]->priority) { 165 new_ops[nhooks] = (void *)orig_ops[i]; 166 new->hooks[nhooks] = old->hooks[i]; 167 i++; 168 } else { 169 new_ops[nhooks] = (void *)reg; 170 new->hooks[nhooks].hook = reg->hook; 171 new->hooks[nhooks].priv = reg->priv; 172 inserted = true; 173 } 174 nhooks++; 175 } 176 177 if (!inserted) { 178 new_ops[nhooks] = (void *)reg; 179 new->hooks[nhooks].hook = reg->hook; 180 new->hooks[nhooks].priv = reg->priv; 181 } 182 183 hook_bpf_prog = nf_hook_bpf_create(new); 184 185 /* XXX: jit failure handling? 186 * We could refuse hook registration. 187 * 188 * For now, allocate_hook_entries_size() sets 189 * ->hook_prog to a small fallback program that 190 * calls nf_hook_slow(). 191 */ 192 if (hook_bpf_prog) { 193 struct bpf_prog *old_prog = NULL; 194 196 197 if (old) 199 200 nf_hook_bpf_change_prog(BPF_DISPATCHER_PTR(nf_hook_base), 201 old_prog, hook_bpf_prog); 202 } 203 204 return new; 205 } 206 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org