tree: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git netlink-validate-build-test-2 head: eefd811df5bc7a7ad129ce4ac3ff473802736ad9 commit: 1217489aab75c491228eeb01ebbceabd29e989cc [3/7] netlink: make validation more configurable for future strictness config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 1217489aab75c491228eeb01ebbceabd29e989cc # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=ia64 All errors (new ones prefixed by >>): net/sched/act_tunnel_key.c: In function 'tunnel_key_copy_opts': >> net/sched/act_tunnel_key.c:128:8: error: implicit declaration of function 'nla_validate'; did you mean 'key_validate'? [-Werror=implicit-function-declaration] err = nla_validate(head, len, TCA_TUNNEL_KEY_ENC_OPTS_MAX, ^~~~~~~~~~~~ key_validate cc1: some warnings being treated as errors vim +128 net/sched/act_tunnel_key.c 0ed5269f Simon Horman 2018-06-26 121 0ed5269f Simon Horman 2018-06-26 122 static int tunnel_key_copy_opts(const struct nlattr *nla, u8 *dst, 0ed5269f Simon Horman 2018-06-26 123 int dst_len, struct netlink_ext_ack *extack) 0ed5269f Simon Horman 2018-06-26 124 { 0ed5269f Simon Horman 2018-06-26 125 int err, rem, opt_len, len = nla_len(nla), opts_len = 0; 0ed5269f Simon Horman 2018-06-26 126 const struct nlattr *attr, *head = nla_data(nla); 0ed5269f Simon Horman 2018-06-26 127 0ed5269f Simon Horman 2018-06-26 @128 err = nla_validate(head, len, TCA_TUNNEL_KEY_ENC_OPTS_MAX, 0ed5269f Simon Horman 2018-06-26 129 enc_opts_policy, extack); 0ed5269f Simon Horman 2018-06-26 130 if (err) 0ed5269f Simon Horman 2018-06-26 131 return err; 0ed5269f Simon Horman 2018-06-26 132 0ed5269f Simon Horman 2018-06-26 133 nla_for_each_attr(attr, head, len, rem) { 0ed5269f Simon Horman 2018-06-26 134 switch (nla_type(attr)) { 0ed5269f Simon Horman 2018-06-26 135 case TCA_TUNNEL_KEY_ENC_OPTS_GENEVE: 0ed5269f Simon Horman 2018-06-26 136 opt_len = tunnel_key_copy_geneve_opt(attr, dst, 0ed5269f Simon Horman 2018-06-26 137 dst_len, extack); 0ed5269f Simon Horman 2018-06-26 138 if (opt_len < 0) 0ed5269f Simon Horman 2018-06-26 139 return opt_len; 0ed5269f Simon Horman 2018-06-26 140 opts_len += opt_len; 0ed5269f Simon Horman 2018-06-26 141 if (dst) { 0ed5269f Simon Horman 2018-06-26 142 dst_len -= opt_len; 0ed5269f Simon Horman 2018-06-26 143 dst += opt_len; 0ed5269f Simon Horman 2018-06-26 144 } 0ed5269f Simon Horman 2018-06-26 145 break; 0ed5269f Simon Horman 2018-06-26 146 } 0ed5269f Simon Horman 2018-06-26 147 } 0ed5269f Simon Horman 2018-06-26 148 0ed5269f Simon Horman 2018-06-26 149 if (!opts_len) { 0ed5269f Simon Horman 2018-06-26 150 NL_SET_ERR_MSG(extack, "Empty list of tunnel options"); 0ed5269f Simon Horman 2018-06-26 151 return -EINVAL; 0ed5269f Simon Horman 2018-06-26 152 } 0ed5269f Simon Horman 2018-06-26 153 0ed5269f Simon Horman 2018-06-26 154 if (rem > 0) { 0ed5269f Simon Horman 2018-06-26 155 NL_SET_ERR_MSG(extack, "Trailing data after parsing tunnel key options attributes"); 0ed5269f Simon Horman 2018-06-26 156 return -EINVAL; 0ed5269f Simon Horman 2018-06-26 157 } 0ed5269f Simon Horman 2018-06-26 158 0ed5269f Simon Horman 2018-06-26 159 return opts_len; 0ed5269f Simon Horman 2018-06-26 160 } 0ed5269f Simon Horman 2018-06-26 161 :::::: The code at line 128 was first introduced by commit :::::: 0ed5269f9e41f495c8e9020c85f5e1644c1afc57 net/sched: add tunnel option support to act_tunnel_key :::::: TO: Simon Horman <simon.horman@xxxxxxxxxxxxx> :::::: CC: David S. Miller <davem@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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