tree: git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux topic-rpc-with-tls head: a72d5318846d67a7f3f5f2bcb4c0c09c4f8907d1 commit: a0a99a10f4f0e3e1e35e566687137669da78abcd [9991/9999] Port of Tempesta TLS handshakes to the Linux 5.10.68 config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220122/202201221357.AwLCo8LM-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://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 a0a99a10f4f0e3e1e35e566687137669da78abcd # 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 net/ 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, | ^~~~~~~~~~~~~~~~~~~~~ -- In file included from include/asm-generic/bug.h:5, from arch/m68k/include/asm/bug.h:32, from include/linux/bug.h:5, from include/linux/random.h:10, from net/tls/bignum.h:28, from net/tls/error.c:25: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_mm.h:169:50: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/linux/compiler.h:78:45: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:9: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:17: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ net/tls/error.c: At top level: 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 WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on DISCONTIGMEM || NUMA Selected by - SINGLE_MEMORY_CHUNK && MMU 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