tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: 38641b83ebc54635151810eeef00b61da3097952 commit: b460edb6230ac2877b0d176b9122736fed6f3c6e [5/15] crypto: inside-secure - sha512 support reproduce: # apt-get install sparse git checkout b460edb6230ac2877b0d176b9122736fed6f3c6e make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/slab.h:631:13: sparse: undefined identifier '__builtin_mul_overflow' drivers/crypto/inside-secure/safexcel_hash.c:1005:45: sparse: cast to restricted __le32 drivers/crypto/inside-secure/safexcel_hash.c:1006:45: sparse: cast to restricted __le32 include/linux/slab.h:631:13: sparse: call with no type! >> drivers/crypto/inside-secure/safexcel_hash.c:1299:25: sparse: cast truncates bits from constant value (6a09e667f3bcc908 becomes f3bcc908) >> drivers/crypto/inside-secure/safexcel_hash.c:1301:25: sparse: cast truncates bits from constant value (bb67ae8584caa73b becomes 84caa73b) >> drivers/crypto/inside-secure/safexcel_hash.c:1303:25: sparse: cast truncates bits from constant value (3c6ef372fe94f82b becomes fe94f82b) >> drivers/crypto/inside-secure/safexcel_hash.c:1305:25: sparse: cast truncates bits from constant value (a54ff53a5f1d36f1 becomes 5f1d36f1) >> drivers/crypto/inside-secure/safexcel_hash.c:1307:25: sparse: cast truncates bits from constant value (510e527fade682d1 becomes ade682d1) >> drivers/crypto/inside-secure/safexcel_hash.c:1309:26: sparse: cast truncates bits from constant value (9b05688c2b3e6c1f becomes 2b3e6c1f) >> drivers/crypto/inside-secure/safexcel_hash.c:1311:26: sparse: cast truncates bits from constant value (1f83d9abfb41bd6b becomes fb41bd6b) >> drivers/crypto/inside-secure/safexcel_hash.c:1313:26: sparse: cast truncates bits from constant value (5be0cd19137e2179 becomes 137e2179) vim +1299 drivers/crypto/inside-secure/safexcel_hash.c 1291 1292 static int safexcel_sha512_init(struct ahash_request *areq) 1293 { 1294 struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq)); 1295 struct safexcel_ahash_req *req = ahash_request_ctx(areq); 1296 1297 memset(req, 0, sizeof(*req)); 1298 > 1299 req->state[0] = lower_32_bits(SHA512_H0); 1300 req->state[1] = upper_32_bits(SHA512_H0); > 1301 req->state[2] = lower_32_bits(SHA512_H1); 1302 req->state[3] = upper_32_bits(SHA512_H1); > 1303 req->state[4] = lower_32_bits(SHA512_H2); 1304 req->state[5] = upper_32_bits(SHA512_H2); > 1305 req->state[6] = lower_32_bits(SHA512_H3); 1306 req->state[7] = upper_32_bits(SHA512_H3); > 1307 req->state[8] = lower_32_bits(SHA512_H4); 1308 req->state[9] = upper_32_bits(SHA512_H4); > 1309 req->state[10] = lower_32_bits(SHA512_H5); 1310 req->state[11] = upper_32_bits(SHA512_H5); > 1311 req->state[12] = lower_32_bits(SHA512_H6); 1312 req->state[13] = upper_32_bits(SHA512_H6); > 1313 req->state[14] = lower_32_bits(SHA512_H7); 1314 req->state[15] = upper_32_bits(SHA512_H7); 1315 1316 ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA512; 1317 req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; 1318 req->state_sz = SHA512_DIGEST_SIZE; 1319 1320 return 0; 1321 } 1322 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation