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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 9687DC433E0 for ; Mon, 1 Mar 2021 10:31:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 596F564E54 for ; Mon, 1 Mar 2021 10:31:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234499AbhCAKbu (ORCPT ); Mon, 1 Mar 2021 05:31:50 -0500 Received: from forward1-smtp.messagingengine.com ([66.111.4.223]:59679 "EHLO forward1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234488AbhCAKbm (ORCPT ); Mon, 1 Mar 2021 05:31:42 -0500 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailforward.nyi.internal (Postfix) with ESMTP id C7A391940B95; Mon, 1 Mar 2021 05:30:34 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Mon, 01 Mar 2021 05:30:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=C54Kq6 ct7/DzubbeY/Kx//7sFfeA01FirZMQIUWhKW8=; b=QzY87UlMU21mtMpg7o3piM cxlJfaIm00rk/IP+iGQ0wpGbkSUQvG3gPKIWwfHucBELGzoL+emHJdu/fMq5X5ug WXkJwWYfxqs1AM/matjzUgGzOXPrkYlJRnU7Lhm/cpiMpb8drK276bAX091Ikf+n F176T1ALT2G4s74cX+fbhBy2p90BFBa49ex+PYiP7l6HWEVpUbCNweoeCUGkHgFF DTBuh5YtXM19uhXBs/84r1N3v+bT3i+JwT48hBRryj+uhTsgif/xFCMfWoJWAgb7 NXmtfBmEqYGqherY5HQFEqeGFKCNj/vdlPoERQAeJllB4cOxJGFWD+nir/iSaMmg == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrleekgddugecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhepuffvhfffkfggtgfgsehtkeertddttd flnecuhfhrohhmpeeoghhrvghgkhhhsehlihhnuhigfhhouhhnuggrthhiohhnrdhorhhg qeenucggtffrrghtthgvrhhnpeeiteevheeuvdfhtdfgvdeiieehheefleevveehjedute evueevledujeejgfetheenucfkphepkeefrdekiedrjeegrdeigeenucevlhhushhtvghr ufhiiigvpedunecurfgrrhgrmhepmhgrihhlfhhrohhmpehgrhgvgheskhhrohgrhhdrtg homh X-ME-Proxy: Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) by mail.messagingengine.com (Postfix) with ESMTPA id 612FF240057; Mon, 1 Mar 2021 05:30:34 -0500 (EST) Subject: FAILED: patch "[PATCH] crypto: sun4i-ss - IV register does not work on A10 and A13" failed to apply to 4.4-stable tree To: clabbe@baylibre.com, herbert@gondor.apana.org.au, stable@vger.kernel.org Cc: From: Date: Mon, 01 Mar 2021 11:30:32 +0100 Message-ID: <161459463261109@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 4.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From b756f1c8fc9d84e3f546d7ffe056c5352f4aab05 Mon Sep 17 00:00:00 2001 From: Corentin Labbe Date: Mon, 14 Dec 2020 20:02:27 +0000 Subject: [PATCH] crypto: sun4i-ss - IV register does not work on A10 and A13 Allwinner A10 and A13 SoC have a version of the SS which produce invalid IV in IVx register. Instead of adding a variant for those, let's convert SS to produce IV directly from data. Fixes: 6298e948215f2 ("crypto: sunxi-ss - Add Allwinner Security System crypto accelerator") Cc: Signed-off-by: Corentin Labbe Signed-off-by: Herbert Xu diff --git a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c index f49797588329..c7bf731dad7b 100644 --- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c +++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c @@ -20,6 +20,7 @@ static int noinline_for_stack sun4i_ss_opti_poll(struct skcipher_request *areq) unsigned int ivsize = crypto_skcipher_ivsize(tfm); struct sun4i_cipher_req_ctx *ctx = skcipher_request_ctx(areq); u32 mode = ctx->mode; + void *backup_iv = NULL; /* when activating SS, the default FIFO space is SS_RX_DEFAULT(32) */ u32 rx_cnt = SS_RX_DEFAULT; u32 tx_cnt = 0; @@ -42,6 +43,13 @@ static int noinline_for_stack sun4i_ss_opti_poll(struct skcipher_request *areq) return -EINVAL; } + if (areq->iv && ivsize > 0 && mode & SS_DECRYPTION) { + backup_iv = kzalloc(ivsize, GFP_KERNEL); + if (!backup_iv) + return -ENOMEM; + scatterwalk_map_and_copy(backup_iv, areq->src, areq->cryptlen - ivsize, ivsize, 0); + } + spin_lock_irqsave(&ss->slock, flags); for (i = 0; i < op->keylen; i += 4) @@ -102,9 +110,12 @@ static int noinline_for_stack sun4i_ss_opti_poll(struct skcipher_request *areq) } while (oleft); if (areq->iv) { - for (i = 0; i < 4 && i < ivsize / 4; i++) { - v = readl(ss->base + SS_IV0 + i * 4); - *(u32 *)(areq->iv + i * 4) = v; + if (mode & SS_DECRYPTION) { + memcpy(areq->iv, backup_iv, ivsize); + kfree_sensitive(backup_iv); + } else { + scatterwalk_map_and_copy(areq->iv, areq->dst, areq->cryptlen - ivsize, + ivsize, 0); } } @@ -161,6 +172,7 @@ static int sun4i_ss_cipher_poll(struct skcipher_request *areq) unsigned int ileft = areq->cryptlen; unsigned int oleft = areq->cryptlen; unsigned int todo; + void *backup_iv = NULL; struct sg_mapping_iter mi, mo; unsigned int oi, oo; /* offset for in and out */ unsigned int ob = 0; /* offset in buf */ @@ -202,6 +214,13 @@ static int sun4i_ss_cipher_poll(struct skcipher_request *areq) if (need_fallback) return sun4i_ss_cipher_poll_fallback(areq); + if (areq->iv && ivsize > 0 && mode & SS_DECRYPTION) { + backup_iv = kzalloc(ivsize, GFP_KERNEL); + if (!backup_iv) + return -ENOMEM; + scatterwalk_map_and_copy(backup_iv, areq->src, areq->cryptlen - ivsize, ivsize, 0); + } + spin_lock_irqsave(&ss->slock, flags); for (i = 0; i < op->keylen; i += 4) @@ -322,9 +341,12 @@ static int sun4i_ss_cipher_poll(struct skcipher_request *areq) } } if (areq->iv) { - for (i = 0; i < 4 && i < ivsize / 4; i++) { - v = readl(ss->base + SS_IV0 + i * 4); - *(u32 *)(areq->iv + i * 4) = v; + if (mode & SS_DECRYPTION) { + memcpy(areq->iv, backup_iv, ivsize); + kfree_sensitive(backup_iv); + } else { + scatterwalk_map_and_copy(areq->iv, areq->dst, areq->cryptlen - ivsize, + ivsize, 0); } }