Hi Varad, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on cryptodev/master] [also build test WARNING on crypto/master security/next-testing linus/master v5.12-rc5 next-20210330] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Varad-Gautam/Implement-RSASSA-PSS-signature-verification/20210331-043846 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: x86_64-randconfig-s022-20210330 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-279-g6d5d9b42-dirty # https://github.com/0day-ci/linux/commit/5fa5152bbf75d015ed5e85d2f0631c902bb8fbe0 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Varad-Gautam/Implement-RSASSA-PSS-signature-verification/20210331-043846 git checkout 5fa5152bbf75d015ed5e85d2f0631c902bb8fbe0 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> crypto/asymmetric_keys/x509_cert_parser.c:887:17: sparse: sparse: cast to restricted __be16 >> crypto/asymmetric_keys/x509_cert_parser.c:887:17: sparse: sparse: cast to restricted __be16 >> crypto/asymmetric_keys/x509_cert_parser.c:887:17: sparse: sparse: cast to restricted __be16 >> crypto/asymmetric_keys/x509_cert_parser.c:887:17: sparse: sparse: cast to restricted __be16 vim +887 crypto/asymmetric_keys/x509_cert_parser.c 873 874 int x509_note_salt_length(void *context, size_t hdrlen, 875 unsigned char tag, 876 const void *value, size_t vlen) 877 { 878 struct x509_parse_context *ctx = context; 879 880 if (ctx->last_oid != OID_rsassaPSS) 881 return -EBADMSG; 882 883 if (!value || !vlen || vlen > sizeof(ctx->cert->sig->salt_length)) 884 return -EINVAL; 885 886 ctx->cert->sig->salt_length = (vlen == 2) ? > 887 be16_to_cpu(*((u16 *) value)) : *((u8 *) value); 888 889 return 0; 890 } 891 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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