From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 42063A046B for ; Wed, 24 Jul 2019 18:44:06 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E5C201C238; Wed, 24 Jul 2019 18:44:03 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 2A42A1C230; Wed, 24 Jul 2019 18:44:01 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Jul 2019 09:44:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,303,1559545200"; d="scan'208";a="177703484" Received: from silpixa00389816.ir.intel.com ([10.237.222.12]) by FMSMGA003.fm.intel.com with ESMTP; 24 Jul 2019 09:43:58 -0700 From: hgovindh To: Remy Horton , Marko Kovacevic , Ori Kam , Bruce Richardson , Pablo de Lara , Radu Nicolau , Akhil Goyal , Tomasz Kantecki Cc: dev@dpdk.org, hgovindh , maciej.czekaj@caviumnetworks.com, stable@dpdk.org Date: Wed, 24 Jul 2019 17:43:54 +0100 Message-Id: <20190724164354.18811-1-hariprasad.govindharajan@intel.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH] examples/l3fwd: fix unaligned memory access 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" Fix unaligned memory access when reading IPv6 header which leads to segmentation fault by changing aligned memory read to unaligned memory read. Bugzilla ID: 279 Fixes: 64d3955de1de ("examples/l3fwd: fix ARM build") Cc: maciej.czekaj@caviumnetworks.com Cc: stable@dpdk.org Signed-off-by: hgovindh --- examples/l3fwd/l3fwd_em.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c index fa8f82be6..f0c443dae 100644 --- a/examples/l3fwd/l3fwd_em.c +++ b/examples/l3fwd/l3fwd_em.c @@ -285,7 +285,7 @@ em_get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid, void *lookup_struct) * Get part of 5 tuple: dst IP address lower 96 bits * and src IP address higher 32 bits. */ - key.xmm[1] = *(xmm_t *)data1; + key.xmm[1] = _mm_loadu_si128((xmm_t *)data1); /* * Get part of 5 tuple: dst port and src port -- 2.22.0