From patchwork Mon Aug 14 00:45:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "De Lara Guarch, Pablo" X-Patchwork-Id: 27535 X-Patchwork-Delegate: pablo.de.lara.guarch@intel.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id F099D7D72; Mon, 14 Aug 2017 10:45:01 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id B29FB1E2F; Mon, 14 Aug 2017 10:44:59 +0200 (CEST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Aug 2017 01:44:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.41,372,1498546800"; d="scan'208"; a="1205403343" Received: from silpixa00399464.ir.intel.com (HELO silpixa00399464.ger.corp.intel.com) ([10.237.222.157]) by fmsmga002.fm.intel.com with ESMTP; 14 Aug 2017 01:44:57 -0700 From: Pablo de Lara To: declan.doherty@intel.com Cc: dev@dpdk.org, Pablo de Lara , stable@dpdk.org Date: Mon, 14 Aug 2017 01:45:21 +0100 Message-Id: <20170814004521.75366-1-pablo.de.lara.guarch@intel.com> X-Mailer: git-send-email 2.9.4 Subject: [dpdk-dev] [PATCH] drivers/aesni_gcm: fix zero data operation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" When data length passed to the PMD was zero, the PMD was trying to get more data from a non-existent next segment. Fixes: 9c2a5775c028 ("crypto/aesni_gcm: migrate from MB library to ISA-L") Cc: stable@dpdk.org Signed-off-by: Pablo de Lara Reviewed-by: Kirill Rybalchenko --- drivers/crypto/aesni_gcm/aesni_gcm_pmd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c index e051624..5c9004f 100644 --- a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c +++ b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c @@ -224,7 +224,7 @@ process_gcm_crypto_op(struct aesni_gcm_qp *qp, struct rte_crypto_op *op, RTE_ASSERT(m_src != NULL); - while (offset >= m_src->data_len) { + while (offset >= m_src->data_len && data_length != 0) { offset -= m_src->data_len; m_src = m_src->next;