tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: 4fd7d7befdb531920cae8f78afd4938e4a25e421 commit: a60619211dd188a5dfa18761b82d096cda76fc9f [12/53] crypto: inside-secure - Add support for the Chacha20-Poly1305 AEAD reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-42-g38eda53-dirty git checkout a60619211dd188a5dfa18761b82d096cda76fc9f make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/crypto/inside-secure/safexcel_cipher.c:85:46: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32unsigned int @@ drivers/crypto/inside-secure/safexcel_cipher.c:85:46: sparse: expected unsigned int drivers/crypto/inside-secure/safexcel_cipher.c:85:46: sparse: got restricted __be32 [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:117:46: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32unsigned int @@ drivers/crypto/inside-secure/safexcel_cipher.c:117:46: sparse: expected unsigned int drivers/crypto/inside-secure/safexcel_cipher.c:117:46: sparse: got restricted __be32 [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:272:35: sparse: sparse: cast from restricted __be16 drivers/crypto/inside-secure/safexcel_cipher.c:272:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restrunsigned int [usertype] @@ drivers/crypto/inside-secure/safexcel_cipher.c:272:33: sparse: expected unsigned int [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:272:33: sparse: got restricted __le32 [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:2158:45: sparse: sparse: restricted __be32 degrades to integer drivers/crypto/inside-secure/safexcel_cipher.c:2166:30: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32unsigned int @@ drivers/crypto/inside-secure/safexcel_cipher.c:2166:30: sparse: expected unsigned int drivers/crypto/inside-secure/safexcel_cipher.c:2166:30: sparse: got restricted __be32 [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:2257:65: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32unsigned int @@ drivers/crypto/inside-secure/safexcel_cipher.c:2257:65: sparse: expected unsigned int drivers/crypto/inside-secure/safexcel_cipher.c:2257:65: sparse: got restricted __be32 [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:2361:37: sparse: sparse: restricted __le32 degrades to integer drivers/crypto/inside-secure/safexcel_cipher.c:2370:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 @@ got icted __le32 @@ drivers/crypto/inside-secure/safexcel_cipher.c:2370:29: sparse: expected restricted __le32 drivers/crypto/inside-secure/safexcel_cipher.c:2370:29: sparse: got unsigned int >> drivers/crypto/inside-secure/safexcel_cipher.c:2476:26: sparse: sparse: cast from restricted __le32 >> drivers/crypto/inside-secure/safexcel_cipher.c:2476:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __le32unsigned int @@ drivers/crypto/inside-secure/safexcel_cipher.c:2476:24: sparse: expected unsigned int drivers/crypto/inside-secure/safexcel_cipher.c:2476:24: sparse: got restricted __le32 [usertype] vim +2476 drivers/crypto/inside-secure/safexcel_cipher.c 2451 2452 static int safexcel_aead_chachapoly_crypt(struct aead_request *req, 2453 enum safexcel_cipher_direction dir) 2454 { 2455 struct safexcel_cipher_req *creq = aead_request_ctx(req); 2456 struct crypto_aead *aead = crypto_aead_reqtfm(req); 2457 struct crypto_tfm *tfm = crypto_aead_tfm(aead); 2458 struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); 2459 struct aead_request *subreq = aead_request_ctx(req); 2460 u32 key[CHACHA_KEY_SIZE / sizeof(u32) + 1]; 2461 int i, ret = 0; 2462 2463 /* 2464 * Instead of wasting time detecting umpteen silly corner cases, 2465 * just dump all "small" requests to the fallback implementation. 2466 * HW would not be faster on such small requests anyway. 2467 */ 2468 if (likely((ctx->aead != EIP197_AEAD_TYPE_IPSEC_ESP || 2469 req->assoclen >= EIP197_AEAD_IPSEC_IV_SIZE) && 2470 req->cryptlen > POLY1305_DIGEST_SIZE)) { 2471 return safexcel_queue_req(&req->base, creq, dir); 2472 } 2473 2474 /* HW cannot do full (AAD+payload) zero length, use fallback */ 2475 for (i = 0; i < CHACHA_KEY_SIZE / sizeof(u32); i++) > 2476 key[i] = cpu_to_le32(ctx->key[i]); 2477 if (ctx->aead == EIP197_AEAD_TYPE_IPSEC_ESP) { 2478 /* ESP variant has nonce appended to the key */ 2479 key[CHACHA_KEY_SIZE / sizeof(u32)] = ctx->nonce; 2480 ret = crypto_aead_setkey(ctx->fback, (u8 *)key, 2481 CHACHA_KEY_SIZE + 2482 EIP197_AEAD_IPSEC_NONCE_SIZE); 2483 } else { 2484 ret = crypto_aead_setkey(ctx->fback, (u8 *)key, 2485 CHACHA_KEY_SIZE); 2486 } 2487 if (ret) { 2488 crypto_aead_clear_flags(aead, CRYPTO_TFM_REQ_MASK); 2489 crypto_aead_set_flags(aead, crypto_aead_get_flags(ctx->fback) & 2490 CRYPTO_TFM_REQ_MASK); 2491 return ret; 2492 } 2493 2494 aead_request_set_tfm(subreq, ctx->fback); 2495 aead_request_set_callback(subreq, req->base.flags, req->base.complete, 2496 req->base.data); 2497 aead_request_set_crypt(subreq, req->src, req->dst, req->cryptlen, 2498 req->iv); 2499 aead_request_set_ad(subreq, req->assoclen); 2500 2501 return (dir == SAFEXCEL_ENCRYPT) ? 2502 crypto_aead_encrypt(subreq) : 2503 crypto_aead_decrypt(subreq); 2504 } 2505 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
