From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] Net: ethernet: ti: netcp: Fix inbound ping crash if MTU size is greater than 1500 Date: Wed, 17 Jan 2018 16:20:23 -0500 (EST) Message-ID: <20180117.162023.812785780955505588.davem@davemloft.net> References: <1516133761-16345-1-git-send-email-rchang@ti.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: w-kwok2@ti.com, m-karicheri2@ti.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: rchang@ti.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:36952 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750872AbeAQVUZ (ORCPT ); Wed, 17 Jan 2018 16:20:25 -0500 In-Reply-To: <1516133761-16345-1-git-send-email-rchang@ti.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Rex Chang Date: Tue, 16 Jan 2018 15:16:01 -0500 > In the receive queue for 4096 bytes fragments, the page address > set in the SW data0 field of the descriptor is not the one we got > when doing the reassembly in receive. The page structure was retrieved > from the wrong descriptor into SW data0 which is then causing a > page fault when UDP checksum is accessing data above 1500. > > Signed-off-by: Rex Chang Applied, thank you.