Hi Thara, url: https://github.com/0day-ci/linux/commits/Thara-Gopinath/Add-support-for-AEAD-algorithms-in-Qualcomm-Crypto-Engine-driver/20210420-113944 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: arm-randconfig-m031-20210428 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> smatch warnings: drivers/crypto/qce/common.c:482 qce_setup_regs_aead() error: uninitialized symbol 'auth_ivsize'. vim +/auth_ivsize +482 drivers/crypto/qce/common.c b152c1b17bb6ad Thara Gopinath 2021-04-19 419 static int qce_setup_regs_aead(struct crypto_async_request *async_req) b152c1b17bb6ad Thara Gopinath 2021-04-19 420 { b152c1b17bb6ad Thara Gopinath 2021-04-19 421 struct aead_request *req = aead_request_cast(async_req); b152c1b17bb6ad Thara Gopinath 2021-04-19 422 struct qce_aead_reqctx *rctx = aead_request_ctx(req); b152c1b17bb6ad Thara Gopinath 2021-04-19 423 struct qce_aead_ctx *ctx = crypto_tfm_ctx(async_req->tfm); b152c1b17bb6ad Thara Gopinath 2021-04-19 424 struct qce_alg_template *tmpl = to_aead_tmpl(crypto_aead_reqtfm(req)); b152c1b17bb6ad Thara Gopinath 2021-04-19 425 struct qce_device *qce = tmpl->qce; b152c1b17bb6ad Thara Gopinath 2021-04-19 426 u32 enckey[QCE_MAX_CIPHER_KEY_SIZE / sizeof(u32)] = {0}; b152c1b17bb6ad Thara Gopinath 2021-04-19 427 u32 enciv[QCE_MAX_IV_SIZE / sizeof(u32)] = {0}; b152c1b17bb6ad Thara Gopinath 2021-04-19 428 u32 authkey[QCE_SHA_HMAC_KEY_SIZE / sizeof(u32)] = {0}; b152c1b17bb6ad Thara Gopinath 2021-04-19 429 u32 authiv[SHA256_DIGEST_SIZE / sizeof(u32)] = {0}; b152c1b17bb6ad Thara Gopinath 2021-04-19 430 u32 authnonce[QCE_MAX_NONCE / sizeof(u32)] = {0}; b152c1b17bb6ad Thara Gopinath 2021-04-19 431 unsigned int enc_keylen = ctx->enc_keylen; b152c1b17bb6ad Thara Gopinath 2021-04-19 432 unsigned int auth_keylen = ctx->auth_keylen; b152c1b17bb6ad Thara Gopinath 2021-04-19 433 unsigned int enc_ivsize = rctx->ivsize; b152c1b17bb6ad Thara Gopinath 2021-04-19 434 unsigned int auth_ivsize; b152c1b17bb6ad Thara Gopinath 2021-04-19 435 unsigned int enckey_words, enciv_words; b152c1b17bb6ad Thara Gopinath 2021-04-19 436 unsigned int authkey_words, authiv_words, authnonce_words; b152c1b17bb6ad Thara Gopinath 2021-04-19 437 unsigned long flags = rctx->flags; b152c1b17bb6ad Thara Gopinath 2021-04-19 438 u32 encr_cfg, auth_cfg, config, totallen; b152c1b17bb6ad Thara Gopinath 2021-04-19 439 u32 iv_last_word; b152c1b17bb6ad Thara Gopinath 2021-04-19 440 b152c1b17bb6ad Thara Gopinath 2021-04-19 441 qce_setup_config(qce); b152c1b17bb6ad Thara Gopinath 2021-04-19 442 b152c1b17bb6ad Thara Gopinath 2021-04-19 443 /* Write encryption key */ b152c1b17bb6ad Thara Gopinath 2021-04-19 444 enckey_words = qce_be32_to_cpu_array(enckey, ctx->enc_key, enc_keylen); b152c1b17bb6ad Thara Gopinath 2021-04-19 445 qce_write_array(qce, REG_ENCR_KEY0, enckey, enckey_words); b152c1b17bb6ad Thara Gopinath 2021-04-19 446 b152c1b17bb6ad Thara Gopinath 2021-04-19 447 /* Write encryption iv */ b152c1b17bb6ad Thara Gopinath 2021-04-19 448 enciv_words = qce_be32_to_cpu_array(enciv, rctx->iv, enc_ivsize); b152c1b17bb6ad Thara Gopinath 2021-04-19 449 qce_write_array(qce, REG_CNTR0_IV0, enciv, enciv_words); b152c1b17bb6ad Thara Gopinath 2021-04-19 450 b152c1b17bb6ad Thara Gopinath 2021-04-19 451 if (IS_CCM(rctx->flags)) { b152c1b17bb6ad Thara Gopinath 2021-04-19 452 iv_last_word = enciv[enciv_words - 1]; b152c1b17bb6ad Thara Gopinath 2021-04-19 453 qce_write(qce, REG_CNTR3_IV3, iv_last_word + 1); b152c1b17bb6ad Thara Gopinath 2021-04-19 454 qce_write_array(qce, REG_ENCR_CCM_INT_CNTR0, (u32 *)enciv, enciv_words); b152c1b17bb6ad Thara Gopinath 2021-04-19 455 qce_write(qce, REG_CNTR_MASK, ~0); b152c1b17bb6ad Thara Gopinath 2021-04-19 456 qce_write(qce, REG_CNTR_MASK0, ~0); b152c1b17bb6ad Thara Gopinath 2021-04-19 457 qce_write(qce, REG_CNTR_MASK1, ~0); b152c1b17bb6ad Thara Gopinath 2021-04-19 458 qce_write(qce, REG_CNTR_MASK2, ~0); b152c1b17bb6ad Thara Gopinath 2021-04-19 459 } b152c1b17bb6ad Thara Gopinath 2021-04-19 460 b152c1b17bb6ad Thara Gopinath 2021-04-19 461 /* Clear authentication IV and KEY registers of previous values */ b152c1b17bb6ad Thara Gopinath 2021-04-19 462 qce_clear_array(qce, REG_AUTH_IV0, 16); b152c1b17bb6ad Thara Gopinath 2021-04-19 463 qce_clear_array(qce, REG_AUTH_KEY0, 16); b152c1b17bb6ad Thara Gopinath 2021-04-19 464 b152c1b17bb6ad Thara Gopinath 2021-04-19 465 /* Clear byte count */ b152c1b17bb6ad Thara Gopinath 2021-04-19 466 qce_clear_array(qce, REG_AUTH_BYTECNT0, 4); b152c1b17bb6ad Thara Gopinath 2021-04-19 467 b152c1b17bb6ad Thara Gopinath 2021-04-19 468 /* Write authentication key */ b152c1b17bb6ad Thara Gopinath 2021-04-19 469 authkey_words = qce_be32_to_cpu_array(authkey, ctx->auth_key, auth_keylen); b152c1b17bb6ad Thara Gopinath 2021-04-19 470 qce_write_array(qce, REG_AUTH_KEY0, (u32 *)authkey, authkey_words); b152c1b17bb6ad Thara Gopinath 2021-04-19 471 b152c1b17bb6ad Thara Gopinath 2021-04-19 472 /* Write initial authentication IV only for HMAC algorithms */ b152c1b17bb6ad Thara Gopinath 2021-04-19 473 if (IS_SHA_HMAC(rctx->flags)) { b152c1b17bb6ad Thara Gopinath 2021-04-19 474 /* Write default authentication iv */ b152c1b17bb6ad Thara Gopinath 2021-04-19 475 if (IS_SHA1_HMAC(rctx->flags)) { b152c1b17bb6ad Thara Gopinath 2021-04-19 476 auth_ivsize = SHA1_DIGEST_SIZE; b152c1b17bb6ad Thara Gopinath 2021-04-19 477 memcpy(authiv, std_iv_sha1, auth_ivsize); b152c1b17bb6ad Thara Gopinath 2021-04-19 478 } else if (IS_SHA256_HMAC(rctx->flags)) { b152c1b17bb6ad Thara Gopinath 2021-04-19 479 auth_ivsize = SHA256_DIGEST_SIZE; b152c1b17bb6ad Thara Gopinath 2021-04-19 480 memcpy(authiv, std_iv_sha256, auth_ivsize); b152c1b17bb6ad Thara Gopinath 2021-04-19 481 } No else path. b152c1b17bb6ad Thara Gopinath 2021-04-19 @482 authiv_words = auth_ivsize / sizeof(u32); b152c1b17bb6ad Thara Gopinath 2021-04-19 483 qce_write_array(qce, REG_AUTH_IV0, (u32 *)authiv, authiv_words); b152c1b17bb6ad Thara Gopinath 2021-04-19 484 } else if (IS_CCM(rctx->flags)) { b152c1b17bb6ad Thara Gopinath 2021-04-19 485 /* Write nonce for CCM algorithms */ b152c1b17bb6ad Thara Gopinath 2021-04-19 486 authnonce_words = qce_be32_to_cpu_array(authnonce, rctx->ccm_nonce, QCE_MAX_NONCE); b152c1b17bb6ad Thara Gopinath 2021-04-19 487 qce_write_array(qce, REG_AUTH_INFO_NONCE0, authnonce, authnonce_words); b152c1b17bb6ad Thara Gopinath 2021-04-19 488 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
_______________________________________________ kbuild mailing list -- kbuild@xxxxxxxxxxxx To unsubscribe send an email to kbuild-leave@xxxxxxxxxxxx
