tree: git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux topic-rpc-with-tls head: 21c40b0003975c1afe4b59126aba2c547103ccae commit: 674ca98f07d168e6fbeea6852b81d3536b26d864 [1/8] Port of Tempesta TLS handshakes to the Linux 5.10.68 config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20211208/202112080428.xNBYfZzC-lk...) compiler: sh4-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://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git/commit/?id=... git remote add cel git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux git fetch --no-tags cel topic-rpc-with-tls git checkout 674ca98f07d168e6fbeea6852b81d3536b26d864 # 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=sh SHELL=/bin/bash net/sunrpc/ net/tls/ 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 >>): 144 | ttls_ecdh_read_params(TlsECDHCtx *ctx, const unsigned char **buf, | ^~~~~~~~~~~~~~~~~~~~~ -- 40 | void ttls_strerror(int ret, char *buf, size_t buflen) | ^~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for CRYPTO_SHA1_SSSE3 Depends on CRYPTO && X86 && 64BIT Selected by - TLS_HANDSHAKE && NET && TLS vim +/ttls_ecdh_read_params +144 net/tls/ecdh.c 135 136 /** 137 * Read the ServerKeyExhange parameters (RFC 8422 5.4) 138 * struct { 139 * ECParameters curve_params; 140 * ECPoint public; 141 * } ServerECDHParams; 142 */ 143 int 145 const unsigned char *end) 146 { 147 int r; 148 149 if (!(ctx->grp = ttls_ecp_tls_read_group(buf, end - *buf))) 150 return -EINVAL; 151 152 /* 153 * Import a point from a TLS ECPoint record (RFC 8443 5.4) 154 * struct { 155 * opaque point <1..2^8-1>; 156 * } ECPoint; 157 */ 158 if (!(r = ttls_ecdh_read_public(ctx, *buf, end - *buf))) 159 *buf += end - *buf; 160 161 return r; 162 } 163 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org