From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761899AbcALBGm (ORCPT ); Mon, 11 Jan 2016 20:06:42 -0500 Received: from mail-pa0-f48.google.com ([209.85.220.48]:34777 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759397AbcALBGj (ORCPT ); Mon, 11 Jan 2016 20:06:39 -0500 Message-ID: <1452560786.1223.6.camel@edumazet-glaptop2.roam.corp.google.com> Subject: Re: [OOPS] In __netif_receive_skb_core From: Eric Dumazet To: Ivaylo Dimitrov Cc: Salam Noureddine , "David S. Miller" , Pali =?ISO-8859-1?Q?Roh=E1r?= , Network Development , LKML , Sebastian Reichel , "linux-omap@vger.kernel.org" Date: Mon, 11 Jan 2016 17:06:26 -0800 In-Reply-To: <56944DFA.4050002@gmail.com> References: <568EA671.7000502@gmail.com> <56929985.3020502@gmail.com> <1452457610.16445.13.camel@edumazet-glaptop2.roam.corp.google.com> <5694188F.80907@gmail.com> <56944DFA.4050002@gmail.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2016-01-12 at 02:51 +0200, Ivaylo Dimitrov wrote: > > I put some additional printks around that code, and it turned out that > skb->dev is null, so "if (unlikely(skb->dev != orig_dev))" succeeds, but > "&skb->dev->ptype_specific" oopses. Nice find ! Now lets find what possibly called netif_rx() with skb->dev == NULL (This is illegal)