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Miller" , shwetar , Ruud Derwig , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] crypto: spacc - Fix uninitialized variable in spacc_aead_process() Message-ID: <74ca2a96-978d-4d22-a787-04ceaa08aff6@stanley.mountain> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <0c352e73-714a-476e-8e71-eef750f22902@stanley.mountain> Smatch complains that: drivers/crypto/dwc-spacc/spacc_aead.c:1031 spacc_aead_process() error: uninitialized symbol 'ptaadsize'. This could happen if, for example, tctx->mode was CRYPTO_MODE_NULL and req->cryptlen was less than icvremove. Fixes: 06af76b46c78 ("crypto: spacc - Add SPAcc aead support") Signed-off-by: Dan Carpenter --- drivers/crypto/dwc-spacc/spacc_aead.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/crypto/dwc-spacc/spacc_aead.c b/drivers/crypto/dwc-spacc/spacc_aead.c index 3468ff605957..50ef9053fc4d 100755 --- a/drivers/crypto/dwc-spacc/spacc_aead.c +++ b/drivers/crypto/dwc-spacc/spacc_aead.c @@ -823,7 +823,7 @@ static int spacc_aead_process(struct aead_request *req, u64 seq, int encrypt) u32 dstoff; int icvremove; int ivaadsize; - int ptaadsize; + int ptaadsize = 0; int iv_to_context; int spacc_proc_len; u32 spacc_icv_offset = 0; @@ -974,8 +974,6 @@ static int spacc_aead_process(struct aead_request *req, u64 seq, int encrypt) tctx->mode == CRYPTO_MODE_NULL) { if (req->cryptlen >= icvremove) ptaadsize = req->cryptlen - icvremove; - } else { - ptaadsize = 0; } /* Calculate and set the below, important parameters From patchwork Thu Aug 15 11:20:12 2024 Content-Type: text/plain; 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Miller" , shwetar , Ruud Derwig , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] crypto: spacc - Fix NULL vs IS_ERR() check in spacc_aead_fallback() Message-ID: <469138c9-8faf-4a8d-b2fe-90d0718e2788@stanley.mountain> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <0c352e73-714a-476e-8e71-eef750f22902@stanley.mountain> The crypto_alloc_aead() function doesn't return NULL pointers, it returns error pointers. Fix the error checking. Fixes: 06af76b46c78 ("crypto: spacc - Add SPAcc aead support") Signed-off-by: Dan Carpenter --- drivers/crypto/dwc-spacc/spacc_aead.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/dwc-spacc/spacc_aead.c b/drivers/crypto/dwc-spacc/spacc_aead.c index 50ef9053fc4d..da9df329f9d4 100755 --- a/drivers/crypto/dwc-spacc/spacc_aead.c +++ b/drivers/crypto/dwc-spacc/spacc_aead.c @@ -784,9 +784,9 @@ static int spacc_aead_fallback(struct aead_request *req, ctx->fb.aead = crypto_alloc_aead(aead_name, 0, CRYPTO_ALG_NEED_FALLBACK | CRYPTO_ALG_ASYNC); - if (!ctx->fb.aead) { + if (IS_ERR(ctx->fb.aead)) { pr_err("Spacc aead fallback tfm is NULL!\n"); - return -EINVAL; + return PTR_ERR(ctx->fb.aead); } subreq = aead_request_alloc(ctx->fb.aead, GFP_KERNEL); From patchwork Thu Aug 15 11:20:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Carpenter X-Patchwork-Id: 819555 Received: from mail-wr1-f53.google.com (mail-wr1-f53.google.com [209.85.221.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D78AB7DA72 for ; Thu, 15 Aug 2024 11:20:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.53 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723720828; cv=none; b=MFsiT/2H5dmlfY6f+wO+KECh3B+fXw1Veff+8pX7BbG0yoDZxHRc5yBHg6xYG49aTuGJNWLZwIkKFoFWGFG0nIxLg9xD095WBsF599O/+syZmWcNaQ2qB9Pwh7SSJ+M08Vo0cCKvaHEYyu/ncsBbc2I5tl0geRaRt6BdidEFrgk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723720828; c=relaxed/simple; bh=HxwqfPal+HPnTS7U68L/EgIg3QGgE3PaIdmgWW1fsUI=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=fNrFxTCDUCOFST45tfBKYGB1uQJ4QZDdqlwoouyomN1xElQcoIE1e457QSFPcPBA9RWfuOcVxtYjr7+jGe/T/kyUfSKE1fKJBfJ4MboLy18STfjZHtPJNzlZYfJoiQogysilaU1JlcMDvHNKNesf6Bg7CXW567Q000BH/my92pc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=hFsYbilS; arc=none smtp.client-ip=209.85.221.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="hFsYbilS" Received: by mail-wr1-f53.google.com with SMTP id ffacd0b85a97d-3717de33d58so457924f8f.1 for ; Thu, 15 Aug 2024 04:20:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1723720825; x=1724325625; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:message-id:subject:cc :to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=3oz0pMrv8IB6uL3g45VQLGPvoAVDEFZ62Di96CP+YN8=; b=hFsYbilSkn2+G8hqXmr5f+XljEDJuPAUaBUpv1KfN/Px+BgYc7MTg6fnw6ElAyfAMu mBZaTAfKtjXJ2FAujNegPtRvS8xo7uT8YFgFIUmtb/A+rFvURX1nP4+IVKz9tuLO06FD MHfE5npycI5q4Pf7sf4nFJCZ2pZtY+xKSmkLN5oxq3Il5685zI4WAVBcfCYuqcRi6Fbs FNISH7SF+oexHCqcIu7I/ZWyhigfM286VssbkOCu3XdteJyhsGJOP99T14K2KZ2QS+d9 oXS5XcHnISt4qELYF2Cb6tJvXtbaNLifAbCCsoB2+5B6l68+g/QvCsWPfgOmdRQwbKMa rEJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723720825; x=1724325625; h=in-reply-to: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=3oz0pMrv8IB6uL3g45VQLGPvoAVDEFZ62Di96CP+YN8=; b=ElVTi76+fEAhrVmpkn30kTV19D39Mof/WULDmDJDtE7pDX/2h3qIb2wjddiOs3N19+ 6IfelC4DNUTsGln4dyN1XdyoF5FTevWnwmL3284PotuY3ewbJB3gGvVRB6+9S7Bt+faR qx3J7YpN6SP6sUzShcYNO75IKy6umbzRnLmZRimircTY7TAsEC2j6//vjYKEv7BWpBzb DgVDLDOOhKKzNl/zyl06cy3vDuDWC9xHkHTKg6ntUNDQfLpS6uZcxjmZqrQng9KrGzGL r+N+4oaTsj/ileMzTZJHUbk9uxMjqZlD4JEGkwqvsvNobzKsgvOyXP059ZTXZrzVtGCd ZJKA== X-Forwarded-Encrypted: i=1; AJvYcCWief1cJ3NAdKEOp6iDK2VGEqQpA1xslO46M31fVuxi2aMO+RkIP1PpFGMrOL+KVai2ots8ir1pr2H7uzFexb9NzTsweVNMeBBltNyo X-Gm-Message-State: AOJu0Yx2Wz6Gnm8JL9Od7mj8duPn2UKj7EreqtE7JIGiy9KcK4Hfs4ss Qh72ycfscHNoLzpjL2VkwEzeDaJ9DPr+RcFskuhE3eGX9dpdF2zTBFULKIc7Xos= X-Google-Smtp-Source: AGHT+IEtSZncKJsrNhscDuBg2ooT2R3yBeExJ8WkgH59BQVHeShDTmQBJQR5acthD/BW5B0kKMMQEw== X-Received: by 2002:a5d:5f45:0:b0:367:35d7:bf11 with SMTP id ffacd0b85a97d-371777968d8mr4691884f8f.25.1723720825209; Thu, 15 Aug 2024 04:20:25 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37189897029sm1246243f8f.74.2024.08.15.04.20.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Aug 2024 04:20:24 -0700 (PDT) Date: Thu, 15 Aug 2024 14:20:20 +0300 From: Dan Carpenter To: Pavitrakumar M Cc: Herbert Xu , "David S. Miller" , Bhoomika K , Ruud Derwig , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] crypto: spacc - Check for allocation failure in spacc_skcipher_fallback() Message-ID: <2d0fd293-31a0-4116-a3ed-5e259864e561@stanley.mountain> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <0c352e73-714a-476e-8e71-eef750f22902@stanley.mountain> Check for crypto_alloc_skcipher() failure. Fixes: c8981d9230d8 ("crypto: spacc - Add SPAcc Skcipher support") Signed-off-by: Dan Carpenter --- drivers/crypto/dwc-spacc/spacc_skcipher.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/crypto/dwc-spacc/spacc_skcipher.c b/drivers/crypto/dwc-spacc/spacc_skcipher.c index 488c03ff6c36..8c698b75dd92 100644 --- a/drivers/crypto/dwc-spacc/spacc_skcipher.c +++ b/drivers/crypto/dwc-spacc/spacc_skcipher.c @@ -67,6 +67,8 @@ static int spacc_skcipher_fallback(unsigned char *name, tctx->fb.cipher = crypto_alloc_skcipher(name, CRYPTO_ALG_TYPE_SKCIPHER, CRYPTO_ALG_NEED_FALLBACK); + if (IS_ERR(tctx->fb.cipher)) + return PTR_ERR(tctx->fb.cipher); crypto_skcipher_set_reqsize(reqtfm, sizeof(struct spacc_crypto_reqctx) +