From patchwork Wed May 17 15:00:35 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 9731385 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1962060363 for ; Wed, 17 May 2017 15:01:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0CBA028798 for ; Wed, 17 May 2017 15:01:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0158D287B2; Wed, 17 May 2017 15:01:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B383628798 for ; Wed, 17 May 2017 15:01:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754617AbdEQPBQ (ORCPT ); Wed, 17 May 2017 11:01:16 -0400 Received: from esa5.microchip.iphmx.com ([216.71.150.166]:8521 "EHLO esa5.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753158AbdEQPBQ (ORCPT ); Wed, 17 May 2017 11:01:16 -0400 X-IronPort-AV: E=Sophos;i="5.38,354,1491289200"; d="scan'208";a="539029" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 17 May 2017 08:01:16 -0700 Received: from rob-ult-M18064.microchip.com (10.10.76.4) by chn-sv-exch05.mchp-main.com (10.10.76.106) with Microsoft SMTP Server id 14.3.181.6; Wed, 17 May 2017 08:01:14 -0700 From: Tudor Ambarus To: , , CC: , , , Tudor Ambarus Subject: [PATCH v2 08/11] crypto: testmgr - check err on akcipher maxsize Date: Wed, 17 May 2017 18:00:35 +0300 Message-ID: <1495033238-26016-9-git-send-email-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1495033238-26016-1-git-send-email-tudor.ambarus@microchip.com> References: <1495033238-26016-1-git-send-email-tudor.ambarus@microchip.com> MIME-Version: 1.0 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP crypto_akcipher_maxsize() returns minimum length for output buffer or error code if key hasn't been set. Signed-off-by: Tudor Ambarus --- crypto/testmgr.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 6f5f3ed..87a4abd 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -2150,6 +2150,11 @@ static int test_akcipher_one(struct crypto_akcipher *tfm, err = -ENOMEM; out_len_max = crypto_akcipher_maxsize(tfm); + if (out_len_max < 0) { + err = out_len_max; + goto free_req; + } + outbuf_enc = kzalloc(out_len_max, GFP_KERNEL); if (!outbuf_enc) goto free_req;