From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 257FEC43441 for ; Thu, 29 Nov 2018 14:43:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E10F2146D for ; Thu, 29 Nov 2018 14:43:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="WGMi0jhh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7E10F2146D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388056AbeK3BtC (ORCPT ); Thu, 29 Nov 2018 20:49:02 -0500 Received: from mail-wm1-f65.google.com ([209.85.128.65]:54057 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387756AbeK3BsT (ORCPT ); Thu, 29 Nov 2018 20:48:19 -0500 Received: by mail-wm1-f65.google.com with SMTP id y1so2515726wmi.3 for ; Thu, 29 Nov 2018 06:42:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Adx7vmSB7q+MPpTTGtNO1M4CshLJHGgExynbFi74uD0=; b=WGMi0jhhP7y4FO/w5eeXKqVtGoIsM1F/ebxie19ff5d5M8WD67MRXJz4oHal9hG0HB yo5mLZ+cglc3CywOMaxw0dsmO6fAfVGmwJUTkYNDQySBvnq6n7/APPkfhwEMOhT6HiGY 1PKMjzxi+lakc8qN0CI4lRycFg5Xkl/lFGjglJ/GvClOZyFERMs9ql6jNnEOIq/2lC1a kyziYgd3d3gda4H0s//PoRfwUvmj8a5IqRIt1Kwhi/xZ5BHhWsftIcGACCUBl8u3zUMQ Cq2i39eUIXWGfOSZPpaEa7wvL4E8fRE9GieHqy4YppGiS1SPvRBO46Roi2X7UJvULRqI NZYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Adx7vmSB7q+MPpTTGtNO1M4CshLJHGgExynbFi74uD0=; b=NjmoyvzDUbhJ0ilUrj4JJ87iTGmqAUC6Mh9RrbEZckodr0yLY/tsLQR2Bf6DR44hDV QSfKBwOaSud9gclXw2+FqGUT6UsRzd+OO4A+qUNfTDHqIGk7gJ/l8QknSbUMBkci6CGE 5OWlcPqfPiKZjVQxeQfq9Xp/dn+LYLxaJqUAHFieiyra718raclWs9WIYttpo/Wr0XaI 9Y3Ov/8Jp2f5P/+jih/LVKfnAEkEftDlTXTN+WvRwN66Fte3AI/t/K1x8TfyJKoRQBPE pMLdul3Xy8mPIbzrrszoPj5SzzZaB/hDIJsmosPDN4r5CTvXOiZhIBm9yX5vkBid5hrb ssDg== X-Gm-Message-State: AA+aEWblx1UJqSuag1ge370ieiWvyon+nRUciZOiB8HVsaViZWwsqrqn IakIuE8QEox6ncmia0aMdwfAGA== X-Google-Smtp-Source: AFSGD/VdfGZQl4QS7r1Bwbtmzwj+wRbO612fCGR2P1qN3gksiH4l0oW0+cNnOB+RhE7SNVj5I+nnEQ== X-Received: by 2002:a1c:2d57:: with SMTP id t84-v6mr2109354wmt.9.1543502560171; Thu, 29 Nov 2018 06:42:40 -0800 (PST) Received: from localhost.localdomain ([51.15.160.169]) by smtp.googlemail.com with ESMTPSA id t131sm875406wmt.1.2018.11.29.06.42.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 29 Nov 2018 06:42:39 -0800 (PST) From: Corentin Labbe To: davem@davemloft.net, ebiggers@kernel.org, herbert@gondor.apana.org.au, nhorman@tuxdriver.com Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Corentin Labbe Subject: [PATCH v5 06/11] crypto: crypto_user_stat: fix use_after_free of struct xxx_request Date: Thu, 29 Nov 2018 14:42:21 +0000 Message-Id: <1543502546-23870-7-git-send-email-clabbe@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1543502546-23870-1-git-send-email-clabbe@baylibre.com> References: <1543502546-23870-1-git-send-email-clabbe@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org All crypto_stats functions use the struct xxx_request for feeding stats, but in some case this structure could already be freed. For fixing this, the needed parameters (len and alg) will be stored before the request being executed. Fixes: cac5818c25d0 ("crypto: user - Implement a generic crypto statistics") Reported-by: syzbot Signed-off-by: Corentin Labbe --- crypto/ahash.c | 17 ++- crypto/algapi.c | 233 +++++++++++++++++++++++++++++++++++++ crypto/rng.c | 4 +- include/crypto/acompress.h | 38 ++---- include/crypto/aead.h | 38 ++---- include/crypto/akcipher.h | 74 +++--------- include/crypto/hash.h | 32 +---- include/crypto/kpp.h | 48 ++------ include/crypto/rng.h | 27 +---- include/crypto/skcipher.h | 36 ++---- include/linux/crypto.h | 105 +++++++++++------ 11 files changed, 376 insertions(+), 276 deletions(-) diff --git a/crypto/ahash.c b/crypto/ahash.c index 3a348fbcf8f9..5d320a811f75 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -364,20 +364,28 @@ static int crypto_ahash_op(struct ahash_request *req, int crypto_ahash_final(struct ahash_request *req) { + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct crypto_alg *alg = tfm->base.__crt_alg; + unsigned int nbytes = req->nbytes; int ret; + crypto_stats_get(alg); ret = crypto_ahash_op(req, crypto_ahash_reqtfm(req)->final); - crypto_stat_ahash_final(req, ret); + crypto_stats_ahash_final(nbytes, ret, alg); return ret; } EXPORT_SYMBOL_GPL(crypto_ahash_final); int crypto_ahash_finup(struct ahash_request *req) { + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct crypto_alg *alg = tfm->base.__crt_alg; + unsigned int nbytes = req->nbytes; int ret; + crypto_stats_get(alg); ret = crypto_ahash_op(req, crypto_ahash_reqtfm(req)->finup); - crypto_stat_ahash_final(req, ret); + crypto_stats_ahash_final(nbytes, ret, alg); return ret; } EXPORT_SYMBOL_GPL(crypto_ahash_finup); @@ -385,13 +393,16 @@ EXPORT_SYMBOL_GPL(crypto_ahash_finup); int crypto_ahash_digest(struct ahash_request *req) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct crypto_alg *alg = tfm->base.__crt_alg; + unsigned int nbytes = req->nbytes; int ret; + crypto_stats_get(alg); if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) ret = -ENOKEY; else ret = crypto_ahash_op(req, tfm->digest); - crypto_stat_ahash_final(req, ret); + crypto_stats_ahash_final(nbytes, ret, alg); return ret; } EXPORT_SYMBOL_GPL(crypto_ahash_digest); diff --git a/crypto/algapi.c b/crypto/algapi.c index 42fe316f80ee..4c1e6079d271 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -1078,6 +1078,239 @@ int crypto_type_has_alg(const char *name, const struct crypto_type *frontend, } EXPORT_SYMBOL_GPL(crypto_type_has_alg); +#ifdef CONFIG_CRYPTO_STATS +void crypto_stats_get(struct crypto_alg *alg) +{ + crypto_alg_get(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_get); + +void crypto_stats_ablkcipher_encrypt(unsigned int nbytes, int ret, + struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->cipher_err_cnt); + } else { + atomic64_inc(&alg->encrypt_cnt); + atomic64_add(nbytes, &alg->encrypt_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_ablkcipher_encrypt); + +void crypto_stats_ablkcipher_decrypt(unsigned int nbytes, int ret, + struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->cipher_err_cnt); + } else { + atomic64_inc(&alg->decrypt_cnt); + atomic64_add(nbytes, &alg->decrypt_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_ablkcipher_decrypt); + +void crypto_stats_aead_encrypt(unsigned int cryptlen, struct crypto_alg *alg, + int ret) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->aead_err_cnt); + } else { + atomic64_inc(&alg->encrypt_cnt); + atomic64_add(cryptlen, &alg->encrypt_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_aead_encrypt); + +void crypto_stats_aead_decrypt(unsigned int cryptlen, struct crypto_alg *alg, + int ret) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->aead_err_cnt); + } else { + atomic64_inc(&alg->decrypt_cnt); + atomic64_add(cryptlen, &alg->decrypt_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_aead_decrypt); + +void crypto_stats_akcipher_encrypt(unsigned int src_len, int ret, + struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->akcipher_err_cnt); + } else { + atomic64_inc(&alg->encrypt_cnt); + atomic64_add(src_len, &alg->encrypt_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_akcipher_encrypt); + +void crypto_stats_akcipher_decrypt(unsigned int src_len, int ret, + struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->akcipher_err_cnt); + } else { + atomic64_inc(&alg->decrypt_cnt); + atomic64_add(src_len, &alg->decrypt_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_akcipher_decrypt); + +void crypto_stats_akcipher_sign(int ret, struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) + atomic64_inc(&alg->akcipher_err_cnt); + else + atomic64_inc(&alg->sign_cnt); + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_akcipher_sign); + +void crypto_stats_akcipher_verify(int ret, struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) + atomic64_inc(&alg->akcipher_err_cnt); + else + atomic64_inc(&alg->verify_cnt); + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_akcipher_verify); + +void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->compress_err_cnt); + } else { + atomic64_inc(&alg->compress_cnt); + atomic64_add(slen, &alg->compress_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_compress); + +void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->compress_err_cnt); + } else { + atomic64_inc(&alg->decompress_cnt); + atomic64_add(slen, &alg->decompress_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_decompress); + +void crypto_stats_ahash_update(unsigned int nbytes, int ret, + struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) + atomic64_inc(&alg->hash_err_cnt); + else + atomic64_add(nbytes, &alg->hash_tlen); + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_ahash_update); + +void crypto_stats_ahash_final(unsigned int nbytes, int ret, + struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->hash_err_cnt); + } else { + atomic64_inc(&alg->hash_cnt); + atomic64_add(nbytes, &alg->hash_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_ahash_final); + +void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret) +{ + if (ret) + atomic64_inc(&alg->kpp_err_cnt); + else + atomic64_inc(&alg->setsecret_cnt); + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_kpp_set_secret); + +void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret) +{ + if (ret) + atomic64_inc(&alg->kpp_err_cnt); + else + atomic64_inc(&alg->generate_public_key_cnt); + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_kpp_generate_public_key); + +void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret) +{ + if (ret) + atomic64_inc(&alg->kpp_err_cnt); + else + atomic64_inc(&alg->compute_shared_secret_cnt); + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_kpp_compute_shared_secret); + +void crypto_stats_rng_seed(struct crypto_alg *alg, int ret) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) + atomic64_inc(&alg->rng_err_cnt); + else + atomic64_inc(&alg->seed_cnt); + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_rng_seed); + +void crypto_stats_rng_generate(struct crypto_alg *alg, unsigned int dlen, + int ret) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->rng_err_cnt); + } else { + atomic64_inc(&alg->generate_cnt); + atomic64_add(dlen, &alg->generate_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_rng_generate); + +void crypto_stats_skcipher_encrypt(unsigned int cryptlen, int ret, + struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->cipher_err_cnt); + } else { + atomic64_inc(&alg->encrypt_cnt); + atomic64_add(cryptlen, &alg->encrypt_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_skcipher_encrypt); + +void crypto_stats_skcipher_decrypt(unsigned int cryptlen, int ret, + struct crypto_alg *alg) +{ + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic64_inc(&alg->cipher_err_cnt); + } else { + atomic64_inc(&alg->decrypt_cnt); + atomic64_add(cryptlen, &alg->decrypt_tlen); + } + crypto_alg_put(alg); +} +EXPORT_SYMBOL_GPL(crypto_stats_skcipher_decrypt); +#endif + static int __init crypto_algapi_init(void) { crypto_init_proc(); diff --git a/crypto/rng.c b/crypto/rng.c index 2406501b90b7..33c38a72bff5 100644 --- a/crypto/rng.c +++ b/crypto/rng.c @@ -35,9 +35,11 @@ static int crypto_default_rng_refcnt; int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen) { + struct crypto_alg *alg = tfm->base.__crt_alg; u8 *buf = NULL; int err; + crypto_stats_get(alg); if (!seed && slen) { buf = kmalloc(slen, GFP_KERNEL); if (!buf) @@ -50,7 +52,7 @@ int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen) } err = crypto_rng_alg(tfm)->seed(tfm, seed, slen); - crypto_stat_rng_seed(tfm, err); + crypto_stats_rng_seed(alg, err); out: kzfree(buf); return err; diff --git a/include/crypto/acompress.h b/include/crypto/acompress.h index f79918196811..a3e766dff917 100644 --- a/include/crypto/acompress.h +++ b/include/crypto/acompress.h @@ -234,34 +234,6 @@ static inline void acomp_request_set_params(struct acomp_req *req, req->flags |= CRYPTO_ACOMP_ALLOC_OUTPUT; } -static inline void crypto_stat_compress(struct acomp_req *req, int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_acomp *tfm = crypto_acomp_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&tfm->base.__crt_alg->compress_err_cnt); - } else { - atomic64_inc(&tfm->base.__crt_alg->compress_cnt); - atomic64_add(req->slen, &tfm->base.__crt_alg->compress_tlen); - } -#endif -} - -static inline void crypto_stat_decompress(struct acomp_req *req, int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_acomp *tfm = crypto_acomp_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&tfm->base.__crt_alg->compress_err_cnt); - } else { - atomic64_inc(&tfm->base.__crt_alg->decompress_cnt); - atomic64_add(req->slen, &tfm->base.__crt_alg->decompress_tlen); - } -#endif -} - /** * crypto_acomp_compress() -- Invoke asynchronous compress operation * @@ -274,10 +246,13 @@ static inline void crypto_stat_decompress(struct acomp_req *req, int ret) static inline int crypto_acomp_compress(struct acomp_req *req) { struct crypto_acomp *tfm = crypto_acomp_reqtfm(req); + struct crypto_alg *alg = tfm->base.__crt_alg; + unsigned int slen = req->slen; int ret; + crypto_stats_get(alg); ret = tfm->compress(req); - crypto_stat_compress(req, ret); + crypto_stats_compress(slen, ret, alg); return ret; } @@ -293,10 +268,13 @@ static inline int crypto_acomp_compress(struct acomp_req *req) static inline int crypto_acomp_decompress(struct acomp_req *req) { struct crypto_acomp *tfm = crypto_acomp_reqtfm(req); + struct crypto_alg *alg = tfm->base.__crt_alg; + unsigned int slen = req->slen; int ret; + crypto_stats_get(alg); ret = tfm->decompress(req); - crypto_stat_decompress(req, ret); + crypto_stats_decompress(slen, ret, alg); return ret; } diff --git a/include/crypto/aead.h b/include/crypto/aead.h index 99afd78c665d..b7b8d24cf765 100644 --- a/include/crypto/aead.h +++ b/include/crypto/aead.h @@ -306,34 +306,6 @@ static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) return __crypto_aead_cast(req->base.tfm); } -static inline void crypto_stat_aead_encrypt(struct aead_request *req, int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_aead *tfm = crypto_aead_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&tfm->base.__crt_alg->aead_err_cnt); - } else { - atomic64_inc(&tfm->base.__crt_alg->encrypt_cnt); - atomic64_add(req->cryptlen, &tfm->base.__crt_alg->encrypt_tlen); - } -#endif -} - -static inline void crypto_stat_aead_decrypt(struct aead_request *req, int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_aead *tfm = crypto_aead_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&tfm->base.__crt_alg->aead_err_cnt); - } else { - atomic64_inc(&tfm->base.__crt_alg->decrypt_cnt); - atomic64_add(req->cryptlen, &tfm->base.__crt_alg->decrypt_tlen); - } -#endif -} - /** * crypto_aead_encrypt() - encrypt plaintext * @req: reference to the aead_request handle that holds all information @@ -356,13 +328,16 @@ static inline void crypto_stat_aead_decrypt(struct aead_request *req, int ret) static inline int crypto_aead_encrypt(struct aead_request *req) { struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct crypto_alg *alg = aead->base.__crt_alg; + unsigned int cryptlen = req->cryptlen; int ret; + crypto_stats_get(alg); if (crypto_aead_get_flags(aead) & CRYPTO_TFM_NEED_KEY) ret = -ENOKEY; else ret = crypto_aead_alg(aead)->encrypt(req); - crypto_stat_aead_encrypt(req, ret); + crypto_stats_aead_encrypt(cryptlen, alg, ret); return ret; } @@ -391,15 +366,18 @@ static inline int crypto_aead_encrypt(struct aead_request *req) static inline int crypto_aead_decrypt(struct aead_request *req) { struct crypto_aead *aead = crypto_aead_reqtfm(req); + struct crypto_alg *alg = aead->base.__crt_alg; + unsigned int cryptlen = req->cryptlen; int ret; + crypto_stats_get(alg); if (crypto_aead_get_flags(aead) & CRYPTO_TFM_NEED_KEY) ret = -ENOKEY; else if (req->cryptlen < crypto_aead_authsize(aead)) ret = -EINVAL; else ret = crypto_aead_alg(aead)->decrypt(req); - crypto_stat_aead_decrypt(req, ret); + crypto_stats_aead_decrypt(cryptlen, alg, ret); return ret; } diff --git a/include/crypto/akcipher.h b/include/crypto/akcipher.h index 97056fd5e718..d564e701654f 100644 --- a/include/crypto/akcipher.h +++ b/include/crypto/akcipher.h @@ -271,62 +271,6 @@ static inline unsigned int crypto_akcipher_maxsize(struct crypto_akcipher *tfm) return alg->max_size(tfm); } -static inline void crypto_stat_akcipher_encrypt(struct akcipher_request *req, - int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&tfm->base.__crt_alg->akcipher_err_cnt); - } else { - atomic64_inc(&tfm->base.__crt_alg->encrypt_cnt); - atomic64_add(req->src_len, &tfm->base.__crt_alg->encrypt_tlen); - } -#endif -} - -static inline void crypto_stat_akcipher_decrypt(struct akcipher_request *req, - int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&tfm->base.__crt_alg->akcipher_err_cnt); - } else { - atomic64_inc(&tfm->base.__crt_alg->decrypt_cnt); - atomic64_add(req->src_len, &tfm->base.__crt_alg->decrypt_tlen); - } -#endif -} - -static inline void crypto_stat_akcipher_sign(struct akcipher_request *req, - int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) - atomic64_inc(&tfm->base.__crt_alg->akcipher_err_cnt); - else - atomic64_inc(&tfm->base.__crt_alg->sign_cnt); -#endif -} - -static inline void crypto_stat_akcipher_verify(struct akcipher_request *req, - int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) - atomic64_inc(&tfm->base.__crt_alg->akcipher_err_cnt); - else - atomic64_inc(&tfm->base.__crt_alg->verify_cnt); -#endif -} - /** * crypto_akcipher_encrypt() - Invoke public key encrypt operation * @@ -341,10 +285,13 @@ static inline int crypto_akcipher_encrypt(struct akcipher_request *req) { struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); struct akcipher_alg *alg = crypto_akcipher_alg(tfm); + struct crypto_alg *calg = tfm->base.__crt_alg; + unsigned int src_len = req->src_len; int ret; + crypto_stats_get(calg); ret = alg->encrypt(req); - crypto_stat_akcipher_encrypt(req, ret); + crypto_stats_akcipher_encrypt(src_len, ret, calg); return ret; } @@ -362,10 +309,13 @@ static inline int crypto_akcipher_decrypt(struct akcipher_request *req) { struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); struct akcipher_alg *alg = crypto_akcipher_alg(tfm); + struct crypto_alg *calg = tfm->base.__crt_alg; + unsigned int src_len = req->src_len; int ret; + crypto_stats_get(calg); ret = alg->decrypt(req); - crypto_stat_akcipher_decrypt(req, ret); + crypto_stats_akcipher_decrypt(src_len, ret, calg); return ret; } @@ -383,10 +333,12 @@ static inline int crypto_akcipher_sign(struct akcipher_request *req) { struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); struct akcipher_alg *alg = crypto_akcipher_alg(tfm); + struct crypto_alg *calg = tfm->base.__crt_alg; int ret; + crypto_stats_get(calg); ret = alg->sign(req); - crypto_stat_akcipher_sign(req, ret); + crypto_stats_akcipher_sign(ret, calg); return ret; } @@ -404,10 +356,12 @@ static inline int crypto_akcipher_verify(struct akcipher_request *req) { struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); struct akcipher_alg *alg = crypto_akcipher_alg(tfm); + struct crypto_alg *calg = tfm->base.__crt_alg; int ret; + crypto_stats_get(calg); ret = alg->verify(req); - crypto_stat_akcipher_verify(req, ret); + crypto_stats_akcipher_verify(ret, calg); return ret; } diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 52920bed05ba..3b31c1b349ae 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -412,32 +412,6 @@ static inline void *ahash_request_ctx(struct ahash_request *req) int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen); -static inline void crypto_stat_ahash_update(struct ahash_request *req, int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) - atomic64_inc(&tfm->base.__crt_alg->hash_err_cnt); - else - atomic64_add(req->nbytes, &tfm->base.__crt_alg->hash_tlen); -#endif -} - -static inline void crypto_stat_ahash_final(struct ahash_request *req, int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&tfm->base.__crt_alg->hash_err_cnt); - } else { - atomic64_inc(&tfm->base.__crt_alg->hash_cnt); - atomic64_add(req->nbytes, &tfm->base.__crt_alg->hash_tlen); - } -#endif -} - /** * crypto_ahash_finup() - update and finalize message digest * @req: reference to the ahash_request handle that holds all information @@ -552,10 +526,14 @@ static inline int crypto_ahash_init(struct ahash_request *req) */ static inline int crypto_ahash_update(struct ahash_request *req) { + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct crypto_alg *alg = tfm->base.__crt_alg; + unsigned int nbytes = req->nbytes; int ret; + crypto_stats_get(alg); ret = crypto_ahash_reqtfm(req)->update(req); - crypto_stat_ahash_update(req, ret); + crypto_stats_ahash_update(nbytes, ret, alg); return ret; } diff --git a/include/crypto/kpp.h b/include/crypto/kpp.h index bd5103a80919..1a97e1601422 100644 --- a/include/crypto/kpp.h +++ b/include/crypto/kpp.h @@ -268,42 +268,6 @@ struct kpp_secret { unsigned short len; }; -static inline void crypto_stat_kpp_set_secret(struct crypto_kpp *tfm, int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - if (ret) - atomic64_inc(&tfm->base.__crt_alg->kpp_err_cnt); - else - atomic64_inc(&tfm->base.__crt_alg->setsecret_cnt); -#endif -} - -static inline void crypto_stat_kpp_generate_public_key(struct kpp_request *req, - int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_kpp *tfm = crypto_kpp_reqtfm(req); - - if (ret) - atomic64_inc(&tfm->base.__crt_alg->kpp_err_cnt); - else - atomic64_inc(&tfm->base.__crt_alg->generate_public_key_cnt); -#endif -} - -static inline void crypto_stat_kpp_compute_shared_secret(struct kpp_request *req, - int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct crypto_kpp *tfm = crypto_kpp_reqtfm(req); - - if (ret) - atomic64_inc(&tfm->base.__crt_alg->kpp_err_cnt); - else - atomic64_inc(&tfm->base.__crt_alg->compute_shared_secret_cnt); -#endif -} - /** * crypto_kpp_set_secret() - Invoke kpp operation * @@ -323,10 +287,12 @@ static inline int crypto_kpp_set_secret(struct crypto_kpp *tfm, const void *buffer, unsigned int len) { struct kpp_alg *alg = crypto_kpp_alg(tfm); + struct crypto_alg *calg = tfm->base.__crt_alg; int ret; + crypto_stats_get(calg); ret = alg->set_secret(tfm, buffer, len); - crypto_stat_kpp_set_secret(tfm, ret); + crypto_stats_kpp_set_secret(calg, ret); return ret; } @@ -347,10 +313,12 @@ static inline int crypto_kpp_generate_public_key(struct kpp_request *req) { struct crypto_kpp *tfm = crypto_kpp_reqtfm(req); struct kpp_alg *alg = crypto_kpp_alg(tfm); + struct crypto_alg *calg = tfm->base.__crt_alg; int ret; + crypto_stats_get(calg); ret = alg->generate_public_key(req); - crypto_stat_kpp_generate_public_key(req, ret); + crypto_stats_kpp_generate_public_key(calg, ret); return ret; } @@ -368,10 +336,12 @@ static inline int crypto_kpp_compute_shared_secret(struct kpp_request *req) { struct crypto_kpp *tfm = crypto_kpp_reqtfm(req); struct kpp_alg *alg = crypto_kpp_alg(tfm); + struct crypto_alg *calg = tfm->base.__crt_alg; int ret; + crypto_stats_get(calg); ret = alg->compute_shared_secret(req); - crypto_stat_kpp_compute_shared_secret(req, ret); + crypto_stats_kpp_compute_shared_secret(calg, ret); return ret; } diff --git a/include/crypto/rng.h b/include/crypto/rng.h index bdcaac34e9d7..e7c97b946fee 100644 --- a/include/crypto/rng.h +++ b/include/crypto/rng.h @@ -122,29 +122,6 @@ static inline void crypto_free_rng(struct crypto_rng *tfm) crypto_destroy_tfm(tfm, crypto_rng_tfm(tfm)); } -static inline void crypto_stat_rng_seed(struct crypto_rng *tfm, int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - if (ret && ret != -EINPROGRESS && ret != -EBUSY) - atomic64_inc(&tfm->base.__crt_alg->rng_err_cnt); - else - atomic64_inc(&tfm->base.__crt_alg->seed_cnt); -#endif -} - -static inline void crypto_stat_rng_generate(struct crypto_rng *tfm, - unsigned int dlen, int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&tfm->base.__crt_alg->rng_err_cnt); - } else { - atomic64_inc(&tfm->base.__crt_alg->generate_cnt); - atomic64_add(dlen, &tfm->base.__crt_alg->generate_tlen); - } -#endif -} - /** * crypto_rng_generate() - get random number * @tfm: cipher handle @@ -163,10 +140,12 @@ static inline int crypto_rng_generate(struct crypto_rng *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int dlen) { + struct crypto_alg *alg = tfm->base.__crt_alg; int ret; + crypto_stats_get(alg); ret = crypto_rng_alg(tfm)->generate(tfm, src, slen, dst, dlen); - crypto_stat_rng_generate(tfm, dlen, ret); + crypto_stats_rng_generate(alg, dlen, ret); return ret; } diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h index dff54731ddf4..480f8301a47d 100644 --- a/include/crypto/skcipher.h +++ b/include/crypto/skcipher.h @@ -486,32 +486,6 @@ static inline struct crypto_sync_skcipher *crypto_sync_skcipher_reqtfm( return container_of(tfm, struct crypto_sync_skcipher, base); } -static inline void crypto_stat_skcipher_encrypt(struct skcipher_request *req, - int ret, struct crypto_alg *alg) -{ -#ifdef CONFIG_CRYPTO_STATS - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&alg->cipher_err_cnt); - } else { - atomic64_inc(&alg->encrypt_cnt); - atomic64_add(req->cryptlen, &alg->encrypt_tlen); - } -#endif -} - -static inline void crypto_stat_skcipher_decrypt(struct skcipher_request *req, - int ret, struct crypto_alg *alg) -{ -#ifdef CONFIG_CRYPTO_STATS - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&alg->cipher_err_cnt); - } else { - atomic64_inc(&alg->decrypt_cnt); - atomic64_add(req->cryptlen, &alg->decrypt_tlen); - } -#endif -} - /** * crypto_skcipher_encrypt() - encrypt plaintext * @req: reference to the skcipher_request handle that holds all information @@ -526,13 +500,16 @@ static inline void crypto_stat_skcipher_decrypt(struct skcipher_request *req, static inline int crypto_skcipher_encrypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct crypto_alg *alg = tfm->base.__crt_alg; + unsigned int cryptlen = req->cryptlen; int ret; + crypto_stats_get(alg); if (crypto_skcipher_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) ret = -ENOKEY; else ret = tfm->encrypt(req); - crypto_stat_skcipher_encrypt(req, ret, tfm->base.__crt_alg); + crypto_stats_skcipher_encrypt(cryptlen, ret, alg); return ret; } @@ -550,13 +527,16 @@ static inline int crypto_skcipher_encrypt(struct skcipher_request *req) static inline int crypto_skcipher_decrypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct crypto_alg *alg = tfm->base.__crt_alg; + unsigned int cryptlen = req->cryptlen; int ret; + crypto_stats_get(alg); if (crypto_skcipher_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) ret = -ENOKEY; else ret = tfm->decrypt(req); - crypto_stat_skcipher_decrypt(req, ret, tfm->base.__crt_alg); + crypto_stats_skcipher_decrypt(cryptlen, ret, alg); return ret; } diff --git a/include/linux/crypto.h b/include/linux/crypto.h index b109b50906e7..e2fd24714e00 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -557,6 +557,69 @@ struct crypto_alg { } CRYPTO_MINALIGN_ATTR; +#ifdef CONFIG_CRYPTO_STATS +void crypto_stats_get(struct crypto_alg *alg); +void crypto_stats_ablkcipher_encrypt(unsigned int nbytes, int ret, struct crypto_alg *alg); +void crypto_stats_ablkcipher_decrypt(unsigned int nbytes, int ret, struct crypto_alg *alg); +void crypto_stats_aead_encrypt(unsigned int cryptlen, struct crypto_alg *alg, int ret); +void crypto_stats_aead_decrypt(unsigned int cryptlen, struct crypto_alg *alg, int ret); +void crypto_stats_ahash_update(unsigned int nbytes, int ret, struct crypto_alg *alg); +void crypto_stats_ahash_final(unsigned int nbytes, int ret, struct crypto_alg *alg); +void crypto_stats_akcipher_encrypt(unsigned int src_len, int ret, struct crypto_alg *alg); +void crypto_stats_akcipher_decrypt(unsigned int src_len, int ret, struct crypto_alg *alg); +void crypto_stats_akcipher_sign(int ret, struct crypto_alg *alg); +void crypto_stats_akcipher_verify(int ret, struct crypto_alg *alg); +void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg); +void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg); +void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret); +void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret); +void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret); +void crypto_stats_rng_seed(struct crypto_alg *alg, int ret); +void crypto_stats_rng_generate(struct crypto_alg *alg, unsigned int dlen, int ret); +void crypto_stats_skcipher_encrypt(unsigned int cryptlen, int ret, struct crypto_alg *alg); +void crypto_stats_skcipher_decrypt(unsigned int cryptlen, int ret, struct crypto_alg *alg); +#else +static inline void crypto_stats_get(struct crypto_alg *alg) +{} +static inline void crypto_stats_ablkcipher_encrypt(unsigned int nbytes, int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_ablkcipher_decrypt(unsigned int nbytes, int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_aead_encrypt(unsigned int cryptlen, struct crypto_alg *alg, int ret) +{} +static inline void crypto_stats_aead_decrypt(unsigned int cryptlen, struct crypto_alg *alg, int ret) +{} +static inline void crypto_stats_ahash_update(unsigned int nbytes, int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_ahash_final(unsigned int nbytes, int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_akcipher_encrypt(unsigned int src_len, int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_akcipher_decrypt(unsigned int src_len, int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_akcipher_sign(int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_akcipher_verify(int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret) +{} +static inline void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret) +{} +static inline void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret) +{} +static inline void crypto_stats_rng_seed(struct crypto_alg *alg, int ret) +{} +static inline void crypto_stats_rng_generate(struct crypto_alg *alg, unsigned int dlen, int ret) +{} +static inline void crypto_stats_skcipher_encrypt(unsigned int cryptlen, int ret, struct crypto_alg *alg) +{} +static inline void crypto_stats_skcipher_decrypt(unsigned int cryptlen, int ret, struct crypto_alg *alg) +{} +#endif /* * A helper struct for waiting for completion of async crypto ops */ @@ -975,38 +1038,6 @@ static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( return __crypto_ablkcipher_cast(req->base.tfm); } -static inline void crypto_stat_ablkcipher_encrypt(struct ablkcipher_request *req, - int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct ablkcipher_tfm *crt = - crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&crt->base->base.__crt_alg->cipher_err_cnt); - } else { - atomic64_inc(&crt->base->base.__crt_alg->encrypt_cnt); - atomic64_add(req->nbytes, &crt->base->base.__crt_alg->encrypt_tlen); - } -#endif -} - -static inline void crypto_stat_ablkcipher_decrypt(struct ablkcipher_request *req, - int ret) -{ -#ifdef CONFIG_CRYPTO_STATS - struct ablkcipher_tfm *crt = - crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); - - if (ret && ret != -EINPROGRESS && ret != -EBUSY) { - atomic64_inc(&crt->base->base.__crt_alg->cipher_err_cnt); - } else { - atomic64_inc(&crt->base->base.__crt_alg->decrypt_cnt); - atomic64_add(req->nbytes, &crt->base->base.__crt_alg->decrypt_tlen); - } -#endif -} - /** * crypto_ablkcipher_encrypt() - encrypt plaintext * @req: reference to the ablkcipher_request handle that holds all information @@ -1022,10 +1053,13 @@ static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) { struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); + struct crypto_alg *alg = crt->base->base.__crt_alg; + unsigned int nbytes = req->nbytes; int ret; + crypto_stats_get(alg); ret = crt->encrypt(req); - crypto_stat_ablkcipher_encrypt(req, ret); + crypto_stats_ablkcipher_encrypt(nbytes, ret, alg); return ret; } @@ -1044,10 +1078,13 @@ static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) { struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); + struct crypto_alg *alg = crt->base->base.__crt_alg; + unsigned int nbytes = req->nbytes; int ret; + crypto_stats_get(alg); ret = crt->decrypt(req); - crypto_stat_ablkcipher_decrypt(req, ret); + crypto_stats_ablkcipher_decrypt(nbytes, ret, alg); return ret; } -- 2.18.1