tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git crypto-krb5 head: 355656a6fe584cb0b68ebc1ca2e56be073b706d0 commit: 478dc697e3d6b3a032964927e6716b5799b2d848 [33/35] rxrpc: rxgk: Implement the yfs-rxgk security class (GSSAPI) config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 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/dhowells/linux-fs.git/com... git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git git fetch --no-tags dhowells-fs crypto-krb5 git checkout 478dc697e3d6b3a032964927e6716b5799b2d848 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa 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 >>): In file included from net/rxrpc/rxgk.c:15: net/rxrpc/rxgk_common.h: In function 'rxgk_verify_mic_skb': 149 | int nr_sg, ret; | ^~~ net/rxrpc/rxgk.c: In function 'rxgk_construct_response': 649 | void *p; | ^ -- In file included from net/rxrpc/rxgk_app.c:15: net/rxrpc/rxgk_common.h: In function 'rxgk_verify_mic_skb': 149 | int nr_sg, ret; | ^~~ vim +/ret +149 net/rxrpc/rxgk_common.h 134 135 /* 136 * Check the MIC on a region of an skbuff. The offset and length are updated 137 * to reflect the actual content of the secure region. 138 */ 139 static inline 140 int rxgk_verify_mic_skb(const struct krb5_enctype *krb5, 141 struct crypto_shash *shash, 142 const struct krb5_buffer *metadata, 143 struct sk_buff *skb, 144 unsigned int *_offset, unsigned int *_len, 145 u32 *_error_code) 146 { 147 struct scatterlist sg[16]; 148 size_t offset = 0, len = *_len; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org