From patchwork Wed Jun 22 13:23:39 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 70656 Delivered-To: patch@linaro.org Received: by 10.140.28.4 with SMTP id 4csp2548770qgy; Wed, 22 Jun 2016 06:27:08 -0700 (PDT) X-Received: by 10.98.29.81 with SMTP id d78mr34799059pfd.142.1466602028417; Wed, 22 Jun 2016 06:27:08 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id iu4si49802pac.93.2016.06.22.06.27.08; Wed, 22 Jun 2016 06:27:08 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-omap-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-omap-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-omap-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752048AbcFVN1B (ORCPT + 3 others); Wed, 22 Jun 2016 09:27:01 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:41102 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752069AbcFVNZF (ORCPT ); Wed, 22 Jun 2016 09:25:05 -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 u5MDNvca017252; Wed, 22 Jun 2016 08:23:57 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u5MDOgoF031314; Wed, 22 Jun 2016 08:24:42 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.294.0; Wed, 22 Jun 2016 08:24:42 -0500 Received: from gomoku.home (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id u5MDONw8022607; Wed, 22 Jun 2016 08:24:39 -0500 From: Tero Kristo To: , , , , , CC: Subject: [PATCHv2 06/27] crypto: ahash: increase the maximum allowed statesize Date: Wed, 22 Jun 2016 16:23:39 +0300 Message-ID: <1466601840-18486-7-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1466601840-18486-1-git-send-email-t-kristo@ti.com> References: <1466601840-18486-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org 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(-) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html 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;