tree: https://github.com/intel/linux-intel-lts.git 5.15/linux head: 91b52769309e2c4d3d4230266426b5eb65418bef commit: bb9ef3cb40b9748d9a676d8d381668f0ca3a9a9f [2470/2488] net/core: XDP metadata BTF netlink API config: m68k-randconfig-c024-20220213 (https://download.01.org/0day-ci/archive/20220213/202202132120.GBB9KEvk-lk...) compiler: m68k-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/intel/linux-intel-lts/commit/bb9ef3cb40b9748d9a676d8d3... git remote add intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-lts 5.15/linux git checkout bb9ef3cb40b9748d9a676d8d381668f0ca3a9a9f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash 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 >>): drivers/net/bonding/bond_main.c: In function 'bond_enslave': 2177 | .extack = extack, | ^~~~~~ drivers/net/bonding/bond_main.c:2177:36: note: (near initialization for 'xdp.<anonymous>.extack') In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from include/linux/limits.h:6, from include/linux/kernel.h:7, from drivers/net/bonding/bond_main.c:34: drivers/net/bonding/bond_main.c: In function '__bond_release_one': 8 | #define NULL ((void *)0) | ^ drivers/net/bonding/bond_main.c:2321:36: note: in expansion of macro 'NULL' 2321 | .extack = NULL, | ^~~~ include/linux/stddef.h:8:14: note: (near initialization for 'xdp.<anonymous>.extack') 8 | #define NULL ((void *)0) | ^ drivers/net/bonding/bond_main.c:2321:36: note: in expansion of macro 'NULL' 2321 | .extack = NULL, | ^~~~ drivers/net/bonding/bond_main.c: In function 'bond_xdp_set': drivers/net/bonding/bond_main.c:5187:28: error: initialized field overwritten [-Werror=override-init] 5187 | .extack = extack, | ^~~~~~ drivers/net/bonding/bond_main.c:5187:28: note: (near initialization for 'xdp.<anonymous>.extack') cc1: all warnings being treated as errors vim +2177 drivers/net/bonding/bond_main.c 8a8efa22f51b3c Amerigo Wang 2011-02-17 2091 fbe168ba91f7c3 Michal Kubeček 2014-11-13 2092 if (!(bond_dev->features & NETIF_F_LRO)) fbe168ba91f7c3 Michal Kubeček 2014-11-13 2093 dev_disable_lro(slave_dev); fbe168ba91f7c3 Michal Kubeček 2014-11-13 2094 35d48903e97819 Jiri Pirko 2011-03-22 2095 res = netdev_rx_handler_register(slave_dev, bond_handle_frame, 35d48903e97819 Jiri Pirko 2011-03-22 2096 new_slave); 35d48903e97819 Jiri Pirko 2011-03-22 2097 if (res) { e2a7420df2e013 Jarod Wilson 2019-06-07 2098 slave_dbg(bond_dev, slave_dev, "Error %d calling netdev_rx_handler_register\n", res); 5831d66e8097ae Veaceslav Falico 2013-09-25 2099 goto err_detach; 35d48903e97819 Jiri Pirko 2011-03-22 2100 } 35d48903e97819 Jiri Pirko 2011-03-22 2101 42ab19ee902929 David Ahern 2017-10-04 2102 res = bond_master_upper_dev_link(bond, new_slave, extack); 1f718f0f4f9714 Veaceslav Falico 2013-09-25 2103 if (res) { e2a7420df2e013 Jarod Wilson 2019-06-07 2104 slave_dbg(bond_dev, slave_dev, "Error %d calling bond_master_upper_dev_link\n", res); 1f718f0f4f9714 Veaceslav Falico 2013-09-25 2105 goto err_unregister; 1f718f0f4f9714 Veaceslav Falico 2013-09-25 2106 } 1f718f0f4f9714 Veaceslav Falico 2013-09-25 2107 32d4c5647aad13 Tobias Waldekranz 2021-01-13 2108 bond_lower_state_changed(new_slave); 32d4c5647aad13 Tobias Waldekranz 2021-01-13 2109 07699f9a7c8d10 sfeldma(a)cumulusnetworks.com 2014-01-16 2110 res = bond_sysfs_slave_add(new_slave); 07699f9a7c8d10 sfeldma(a)cumulusnetworks.com 2014-01-16 2111 if (res) { e2a7420df2e013 Jarod Wilson 2019-06-07 2112 slave_dbg(bond_dev, slave_dev, "Error %d calling bond_sysfs_slave_add\n", res); 07699f9a7c8d10 sfeldma(a)cumulusnetworks.com 2014-01-16 2113 goto err_upper_unlink; 07699f9a7c8d10 sfeldma(a)cumulusnetworks.com 2014-01-16 2114 } 07699f9a7c8d10 sfeldma(a)cumulusnetworks.com 2014-01-16 2115 ae42cc62a9f07f Xin Long 2018-03-26 2116 /* If the mode uses primary, then the following is handled by ae42cc62a9f07f Xin Long 2018-03-26 2117 * bond_change_active_slave(). ae42cc62a9f07f Xin Long 2018-03-26 2118 */ ae42cc62a9f07f Xin Long 2018-03-26 2119 if (!bond_uses_primary(bond)) { ae42cc62a9f07f Xin Long 2018-03-26 2120 /* set promiscuity level to new slave */ ae42cc62a9f07f Xin Long 2018-03-26 2121 if (bond_dev->flags & IFF_PROMISC) { ae42cc62a9f07f Xin Long 2018-03-26 2122 res = dev_set_promiscuity(slave_dev, 1); ae42cc62a9f07f Xin Long 2018-03-26 2123 if (res) ae42cc62a9f07f Xin Long 2018-03-26 2124 goto err_sysfs_del; ae42cc62a9f07f Xin Long 2018-03-26 2125 } ae42cc62a9f07f Xin Long 2018-03-26 2126 ae42cc62a9f07f Xin Long 2018-03-26 2127 /* set allmulti level to new slave */ ae42cc62a9f07f Xin Long 2018-03-26 2128 if (bond_dev->flags & IFF_ALLMULTI) { ae42cc62a9f07f Xin Long 2018-03-26 2129 res = dev_set_allmulti(slave_dev, 1); 9f5a90c107741b Xin Long 2018-03-26 2130 if (res) { 9f5a90c107741b Xin Long 2018-03-26 2131 if (bond_dev->flags & IFF_PROMISC) 9f5a90c107741b Xin Long 2018-03-26 2132 dev_set_promiscuity(slave_dev, -1); ae42cc62a9f07f Xin Long 2018-03-26 2133 goto err_sysfs_del; ae42cc62a9f07f Xin Long 2018-03-26 2134 } 9f5a90c107741b Xin Long 2018-03-26 2135 } ae42cc62a9f07f Xin Long 2018-03-26 2136 ae42cc62a9f07f Xin Long 2018-03-26 2137 netif_addr_lock_bh(bond_dev); ae42cc62a9f07f Xin Long 2018-03-26 2138 dev_mc_sync_multiple(slave_dev, bond_dev); ae42cc62a9f07f Xin Long 2018-03-26 2139 dev_uc_sync_multiple(slave_dev, bond_dev); ae42cc62a9f07f Xin Long 2018-03-26 2140 netif_addr_unlock_bh(bond_dev); ae42cc62a9f07f Xin Long 2018-03-26 2141 ae42cc62a9f07f Xin Long 2018-03-26 2142 if (BOND_MODE(bond) == BOND_MODE_8023AD) { ae42cc62a9f07f Xin Long 2018-03-26 2143 /* add lacpdu mc addr to mc list */ ae42cc62a9f07f Xin Long 2018-03-26 2144 u8 lacpdu_multicast[ETH_ALEN] = MULTICAST_LACPDU_ADDR; ae42cc62a9f07f Xin Long 2018-03-26 2145 ae42cc62a9f07f Xin Long 2018-03-26 2146 dev_mc_add(slave_dev, lacpdu_multicast); ae42cc62a9f07f Xin Long 2018-03-26 2147 } ae42cc62a9f07f Xin Long 2018-03-26 2148 } ae42cc62a9f07f Xin Long 2018-03-26 2149 5378c2e6ea236d Veaceslav Falico 2013-10-21 2150 bond->slave_cnt++; 5378c2e6ea236d Veaceslav Falico 2013-10-21 2151 bond_compute_features(bond); 5378c2e6ea236d Veaceslav Falico 2013-10-21 2152 bond_set_carrier(bond); 5378c2e6ea236d Veaceslav Falico 2013-10-21 2153 ec0865a94991d1 Veaceslav Falico 2014-05-15 2154 if (bond_uses_primary(bond)) { f80889a5b79cae dingtianhong 2014-02-12 2155 block_netpoll_tx(); 5378c2e6ea236d Veaceslav Falico 2013-10-21 2156 bond_select_active_slave(bond); f80889a5b79cae dingtianhong 2014-02-12 2157 unblock_netpoll_tx(); 5378c2e6ea236d Veaceslav Falico 2013-10-21 2158 } 1f718f0f4f9714 Veaceslav Falico 2013-09-25 2159 e79c1055749e31 Debabrata Banerjee 2018-05-14 2160 if (bond_mode_can_use_xmit_hash(bond)) ee6377147409a0 Mahesh Bandewar 2014-10-04 2161 bond_update_slave_arr(bond, NULL); ee6377147409a0 Mahesh Bandewar 2014-10-04 2162 21706ee8a47d3e Debabrata Banerjee 2018-05-09 2163 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2164 if (!slave_dev->netdev_ops->ndo_bpf || 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2165 !slave_dev->netdev_ops->ndo_xdp_xmit) { 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2166 if (bond->xdp_prog) { 6569fa2d4e0147 Jonathan Toppins 2021-08-10 2167 SLAVE_NL_ERR(bond_dev, slave_dev, extack, 6569fa2d4e0147 Jonathan Toppins 2021-08-10 2168 "Slave does not support XDP"); 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2169 res = -EOPNOTSUPP; 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2170 goto err_sysfs_del; 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2171 } 6d5f1ef838683e Jussi Maki 2021-09-06 2172 } else if (bond->xdp_prog) { 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2173 struct netdev_bpf xdp = { 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2174 .command = XDP_SETUP_PROG, 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2175 .flags = 0, 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2176 .prog = bond->xdp_prog, 9e2ee5c7e7c35d Jussi Maki 2021-07-31 @2177 .extack = extack, 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2178 }; 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2179 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2180 if (dev_xdp_prog_count(slave_dev) > 0) { 6569fa2d4e0147 Jonathan Toppins 2021-08-10 2181 SLAVE_NL_ERR(bond_dev, slave_dev, extack, 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2182 "Slave has XDP program loaded, please unload before enslaving"); 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2183 res = -EOPNOTSUPP; 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2184 goto err_sysfs_del; 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2185 } 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2186 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2187 res = slave_dev->netdev_ops->ndo_bpf(slave_dev, &xdp); 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2188 if (res < 0) { 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2189 /* ndo_bpf() sets extack error message */ 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2190 slave_dbg(bond_dev, slave_dev, "Error %d calling ndo_bpf\n", res); 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2191 goto err_sysfs_del; 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2192 } 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2193 if (bond->xdp_prog) 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2194 bpf_prog_inc(bond->xdp_prog); 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2195 } 9e2ee5c7e7c35d Jussi Maki 2021-07-31 2196 e2a7420df2e013 Jarod Wilson 2019-06-07 2197 slave_info(bond_dev, slave_dev, "Enslaving as %s interface with %s link\n", 90194264ceffdf Joe Perches 2014-02-15 2198 bond_is_active_slave(new_slave) ? "an active" : "a backup", 90194264ceffdf Joe Perches 2014-02-15 2199 new_slave->link != BOND_LINK_DOWN ? "an up" : "a down"); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2200 ^1da177e4c3f41 Linus Torvalds 2005-04-16 2201 /* enslave is successful */ 69e6113343cfe9 Moni Shoua 2015-02-03 2202 bond_queue_slave_event(new_slave); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2203 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 2204 :::::: The code at line 2177 was first introduced by commit :::::: 9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e net, bonding: Add XDP support to the bonding driver :::::: TO: Jussi Maki <joamaki(a)gmail.com&gt; :::::: CC: Daniel Borkmann <daniel(a)iogearbox.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org