From patchwork Wed Jun 1 08:56:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 9146691 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 4DD7E60777 for ; Wed, 1 Jun 2016 08:58:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 440D71FF60 for ; Wed, 1 Jun 2016 08:58:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3746526785; Wed, 1 Jun 2016 08:58:11 +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=-5.9 required=2.0 tests=BAYES_00,FSL_HELO_HOME, 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 E32841FF60 for ; Wed, 1 Jun 2016 08:58:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161097AbcFAI6H (ORCPT ); Wed, 1 Jun 2016 04:58:07 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:43113 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932339AbcFAI5r (ORCPT ); Wed, 1 Jun 2016 04:57:47 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id u518v17M020038; Wed, 1 Jun 2016 03:57:01 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u518v56R019378; Wed, 1 Jun 2016 03:57:05 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.294.0; Wed, 1 Jun 2016 03:57:05 -0500 Received: from gomoku.home (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id u518ug0W002676; Wed, 1 Jun 2016 03:57:03 -0500 From: Tero Kristo To: , , , , CC: , , Tero Kristo Subject: [PATCH 07/28] crypto: ahash: increase the maximum allowed statesize Date: Wed, 1 Jun 2016 11:56:08 +0300 Message-ID: <1464771389-10640-8-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464771389-10640-1-git-send-email-t-kristo@ti.com> References: <1464771389-10640-1-git-send-email-t-kristo@ti.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 The statesize is used to determine the maximum size for saved ahash context. In some cases, this can be much larger than what is currently allocated for it, for example omap-sham driver uses a buffer size of PAGE_SIZE. Increase the statesize to accommodate this. Signed-off-by: Tero Kristo --- crypto/ahash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/crypto/ahash.c b/crypto/ahash.c index 3887a98..375bbd7 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -536,7 +536,7 @@ static int ahash_prepare_alg(struct ahash_alg *alg) struct crypto_alg *base = &alg->halg.base; if (alg->halg.digestsize > PAGE_SIZE / 8 || - alg->halg.statesize > PAGE_SIZE / 8 || + alg->halg.statesize > PAGE_SIZE * 2 || alg->halg.statesize == 0) return -EINVAL;