From patchwork Mon Jul 3 14:18:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Carpenter X-Patchwork-Id: 698794 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C711DC001B1 for ; Mon, 3 Jul 2023 14:18:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230421AbjGCOSR (ORCPT ); Mon, 3 Jul 2023 10:18:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229978AbjGCOSQ (ORCPT ); Mon, 3 Jul 2023 10:18:16 -0400 Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FA3BE5F for ; Mon, 3 Jul 2023 07:18:14 -0700 (PDT) Received: by mail-wr1-x435.google.com with SMTP id ffacd0b85a97d-307d20548adso5005471f8f.0 for ; Mon, 03 Jul 2023 07:18:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688393893; x=1690985893; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=k7CiJPEXfB/mPmolwvUH6t7dx6TKSOIIJmAn9VAkdqw=; b=BT3omfXSB3tnc4/9PQPsSKSw7cx/qjf/1NXY1wt3Q4TvbbFW5ekgxa0mQcUZPMjfeV nM8RiwzvvoyJ8YKGKT5FlbFzg6VWUe1ppRtzVXStYS92HDR9bLci298+IUiKjgbWycmj 357oGZdMtDCWBYAB3AC5EYdouPZuszAUAOjyrrzu4g4lQyE137pUUFAat5oP7luo0Ffd jeAu+K0XLk+mez5brGbWDwfh7yPI0sxUcG5bCkgcHR9FchvUxSe8xNCRVHoDfY3ZvY60 eDIevhPL5HNFOTVeUEmDvudJGjbpjklwSJ4RYoBNeujQKVpYijBpMHecavNIWLClwfUB qzoA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688393893; x=1690985893; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=k7CiJPEXfB/mPmolwvUH6t7dx6TKSOIIJmAn9VAkdqw=; b=QmclNN+x2x9tUm7vcv1vXL5i7LHb/Q+0KBF9HNc0iP1jo2i2Hgt8c3lwqkC/BsPYy7 7x1vwEMh0oKB3M9ucpPGIfcI0rQtTXwz10eo9L6SN7/m5GWsCzQsqR7rt4Bgb/XCtGng NoDGlO1Ikny4n8C+aROXiDrLpXj7Wr7meZEJa2B6qi4H/ZyFIkMOOAeeJvtsYWJhbjmW 8oZmgQaM4gstZlFShK5ma61iHlpiG7vA4YzAYObjFkEOBLUv9ixd9CbfWhxBCDz1hc5M zjRh3BLD1dR2vYTs+RV6ZXtGMCX/bmJmelBOrtMC22JMcaSLfzSEb8yOsAzyPZeudTpu 10xw== X-Gm-Message-State: ABy/qLa7g0zBON5Vyj278whr9pXhzeg0MCV4a8I2Amu6DQ+hO8ZEiTtr Aig6//kfNrBUWf+evP+GfEpxDQ== X-Google-Smtp-Source: APBJJlEfnqKOoSS2ucE8MaIOcLJR/x7mdTN0VM771Waqqjt25CgAaEUgofxqr6Xluv6cSjS6uVAUEA== X-Received: by 2002:a5d:4f86:0:b0:30f:c42e:3299 with SMTP id d6-20020a5d4f86000000b0030fc42e3299mr7758185wru.60.1688393892860; Mon, 03 Jul 2023 07:18:12 -0700 (PDT) Received: from localhost ([102.36.222.112]) by smtp.gmail.com with ESMTPSA id q10-20020adfdfca000000b003141e629cb6sm9813243wrn.101.2023.07.03.07.18.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jul 2023 07:18:11 -0700 (PDT) Date: Mon, 3 Jul 2023 17:18:08 +0300 From: Dan Carpenter To: Herbert Xu Cc: David Howells , "David S. Miller" , keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] KEYS: asymmetric: Fix error codes Message-ID: MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org These error paths should return the appropriate error codes instead of returning success. Fixes: 63ba4d67594a ("KEYS: asymmetric: Use new crypto interface without scatterlists") Signed-off-by: Dan Carpenter Reviewed-by: David Howells Reviewed-by: Jarkko Sakkinen --- crypto/asymmetric_keys/public_key.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index e787598cb3f7..773e159dbbcb 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -185,8 +185,10 @@ static int software_key_query(const struct kernel_pkey_params *params, if (issig) { sig = crypto_alloc_sig(alg_name, 0, 0); - if (IS_ERR(sig)) + if (IS_ERR(sig)) { + ret = PTR_ERR(sig); goto error_free_key; + } if (pkey->key_is_private) ret = crypto_sig_set_privkey(sig, key, pkey->keylen); @@ -208,8 +210,10 @@ static int software_key_query(const struct kernel_pkey_params *params, } } else { tfm = crypto_alloc_akcipher(alg_name, 0, 0); - if (IS_ERR(tfm)) + if (IS_ERR(tfm)) { + ret = PTR_ERR(tfm); goto error_free_key; + } if (pkey->key_is_private) ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen); @@ -300,8 +304,10 @@ static int software_key_eds_op(struct kernel_pkey_params *params, if (issig) { sig = crypto_alloc_sig(alg_name, 0, 0); - if (IS_ERR(sig)) + if (IS_ERR(sig)) { + ret = PTR_ERR(sig); goto error_free_key; + } if (pkey->key_is_private) ret = crypto_sig_set_privkey(sig, key, pkey->keylen); @@ -313,8 +319,10 @@ static int software_key_eds_op(struct kernel_pkey_params *params, ksz = crypto_sig_maxsize(sig); } else { tfm = crypto_alloc_akcipher(alg_name, 0, 0); - if (IS_ERR(tfm)) + if (IS_ERR(tfm)) { + ret = PTR_ERR(tfm); goto error_free_key; + } if (pkey->key_is_private) ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen); @@ -411,8 +419,10 @@ int public_key_verify_signature(const struct public_key *pkey, key = kmalloc(pkey->keylen + sizeof(u32) * 2 + pkey->paramlen, GFP_KERNEL); - if (!key) + if (!key) { + ret = -ENOMEM; goto error_free_tfm; + } memcpy(key, pkey->key, pkey->keylen); ptr = key + pkey->keylen;