tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: 4fd7d7befdb531920cae8f78afd4938e4a25e421 commit: 4a593fb35d5ccf3ddd41c68ac1cc88d06ec74341 [11/53] crypto: inside-secure - Added support for the CHACHA20 skcipher reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-42-g38eda53-dirty git checkout 4a593fb35d5ccf3ddd41c68ac1cc88d06ec74341 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:83:46: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32unsigned int @@ drivers/crypto/inside-secure/safexcel_cipher.c:83:46: sparse: expected unsigned int drivers/crypto/inside-secure/safexcel_cipher.c:83:46: sparse: got restricted __be32 [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:101:46: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32unsigned int @@ drivers/crypto/inside-secure/safexcel_cipher.c:101:46: sparse: expected unsigned int drivers/crypto/inside-secure/safexcel_cipher.c:101:46: sparse: got restricted __be32 [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:253:35: sparse: sparse: cast from restricted __be16 drivers/crypto/inside-secure/safexcel_cipher.c:253:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restrunsigned int [usertype] @@ drivers/crypto/inside-secure/safexcel_cipher.c:253:33: sparse: expected unsigned int [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:253:33: sparse: got restricted __le32 [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:2128:45: sparse: sparse: restricted __be32 degrades to integer drivers/crypto/inside-secure/safexcel_cipher.c:2136:30: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32unsigned int @@ drivers/crypto/inside-secure/safexcel_cipher.c:2136:30: sparse: expected unsigned int drivers/crypto/inside-secure/safexcel_cipher.c:2136:30: sparse: got restricted __be32 [usertype] drivers/crypto/inside-secure/safexcel_cipher.c:2227:65: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32unsigned int @@ drivers/crypto/inside-secure/safexcel_cipher.c:2227:65: sparse: expected unsigned int drivers/crypto/inside-secure/safexcel_cipher.c:2227:65: sparse: got restricted __be32 [usertype] >> drivers/crypto/inside-secure/safexcel_cipher.c:2337:37: sparse: sparse: restricted __le32 degrades to integer >> drivers/crypto/inside-secure/safexcel_cipher.c:2346:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 @@ got icted __le32 @@ >> drivers/crypto/inside-secure/safexcel_cipher.c:2346:29: sparse: expected restricted __le32 >> drivers/crypto/inside-secure/safexcel_cipher.c:2346:29: sparse: got unsigned int vim +2337 drivers/crypto/inside-secure/safexcel_cipher.c 2322 2323 static int safexcel_skcipher_chacha20_setkey(struct crypto_skcipher *ctfm, 2324 const u8 *key, unsigned int len) 2325 { 2326 struct safexcel_cipher_ctx *ctx = crypto_skcipher_ctx(ctfm); 2327 struct safexcel_crypto_priv *priv = ctx->priv; 2328 int i; 2329 2330 if (len != CHACHA_KEY_SIZE) { 2331 crypto_skcipher_set_flags(ctfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 2332 return -EINVAL; 2333 } 2334 2335 if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma) { 2336 for (i = 0; i < CHACHA_KEY_SIZE / sizeof(u32); i++) { > 2337 if (ctx->key[i] != 2338 get_unaligned_le32(key + i * sizeof(u32))) { 2339 ctx->base.needs_inv = true; 2340 break; 2341 } 2342 } 2343 } 2344 2345 for (i = 0; i < CHACHA_KEY_SIZE / sizeof(u32); i++) > 2346 ctx->key[i] = get_unaligned_le32(key + i * sizeof(u32)); 2347 ctx->key_len = CHACHA_KEY_SIZE; 2348 2349 return 0; 2350 } 2351 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
