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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,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 94380C3B19F for ; Fri, 14 Feb 2020 16:04:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6C227246A4 for ; Fri, 14 Feb 2020 16:04:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="AINtOn6o"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="gtUlpaSD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6C227246A4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Pgyhrsms+AnT7uUuwBtOkJIUU8+DagWuj8h/XvkEvCM=; b=AINtOn6oD6h/bu WvPwBtK2wLE7oTiYKlVoaWuSWeOry+3UBLw/9Ppkwr9DoqQTW/gQN3JEH8bRPEOYVqysCe68ueTFD BT97vFLZ5OsSsP2SDSGJWX934Pn/j1UZ9kInH/T8VTRUEPneHnsS/SuXa+JZRPHK5E7QkdP7SurDS Rd6o5dYdAckgN5alFqKx3DiaGBQ58NxMJkyldxg4L3XiRXo76ID9dKiKMWNw1T9nurdk9bVQcWvv9 KDlKIcuX/5EfaNFBol8WyPWuGXo+/zC9lX9pyuzTuNTW1HtX07xZAzyOx65cPvYddc8SSGN2FsPax 7zA+KFqPBfKZIVaeUi3w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j2dS3-0002s2-IB; Fri, 14 Feb 2020 16:04:23 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j2dJS-00011u-4p for linux-arm-kernel@lists.infradead.org; Fri, 14 Feb 2020 15:55:33 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 58B1C24676; Fri, 14 Feb 2020 15:55:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581695729; bh=0ewcZdvZG6nqc0yrm8YHbWqIIq5DHSQCdfJlydYZ0/8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gtUlpaSDlWyCpVCaE7WhUMOnn/IePDmhnNlJAB2EXYJu4mybfFEg94AxjsTdKa6OA KQGJuI4hvCtjH4oIAeL3vNUao01T2bvzKGgDpVpdR5VIWtqj173iIURVQIzMEv2H4Q BONPQNMHf4sqWAowqlnKsnt7Wm4O0kpg5a4cDZaY= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.5 304/542] crypto: atmel-sha - fix error handling when setting hmac key Date: Fri, 14 Feb 2020 10:44:56 -0500 Message-Id: <20200214154854.6746-304-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214154854.6746-1-sashal@kernel.org> References: <20200214154854.6746-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200214_075530_234702_3DC6EA3D X-CRM114-Status: GOOD ( 12.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Alexandre Belloni , Herbert Xu , Tudor Ambarus , Eric Biggers , Ludovic Desroches , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Eric Biggers [ Upstream commit b529f1983b2dcc46354f311feda92e07b6e9e2da ] HMAC keys can be of any length, and atmel_sha_hmac_key_set() can only fail due to -ENOMEM. But atmel_sha_hmac_setkey() incorrectly treated any error as a "bad key length" error. Fix it to correctly propagate the -ENOMEM error code and not set any tfm result flags. Fixes: 81d8750b2b59 ("crypto: atmel-sha - add support to hmac(shaX)") Cc: Nicolas Ferre Cc: Alexandre Belloni Cc: Ludovic Desroches Signed-off-by: Eric Biggers Reviewed-by: Tudor Ambarus Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/atmel-sha.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 8ea0e4bcde0de..7394671f815bc 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -1918,12 +1918,7 @@ static int atmel_sha_hmac_setkey(struct crypto_ahash *tfm, const u8 *key, { struct atmel_sha_hmac_ctx *hmac = crypto_ahash_ctx(tfm); - if (atmel_sha_hmac_key_set(&hmac->hkey, key, keylen)) { - crypto_ahash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } - - return 0; + return atmel_sha_hmac_key_set(&hmac->hkey, key, keylen); } static int atmel_sha_hmac_init(struct ahash_request *req) -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel