From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 393BFC31E50 for ; Mon, 17 Jun 2019 14:14:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 14F29206B7 for ; Mon, 17 Jun 2019 14:14:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727836AbfFQOOD (ORCPT ); Mon, 17 Jun 2019 10:14:03 -0400 Received: from Chamillionaire.breakpoint.cc ([193.142.43.52]:44724 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725906AbfFQOOD (ORCPT ); Mon, 17 Jun 2019 10:14:03 -0400 Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.89) (envelope-from ) id 1hcsOV-0005uy-4F; Mon, 17 Jun 2019 16:13:59 +0200 From: Florian Westphal To: Cc: tariqt@mellanox.com, ranro@mellanox.com, maorg@mellanox.com, edumazet@google.com Subject: [PATCH net-next 0/2] net: ipv4: remove erroneous advancement of list pointer Date: Mon, 17 Jun 2019 16:02:26 +0200 Message-Id: <20190617140228.12523-1-fw@strlen.de> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Tariq reported a soft lockup on net-next that Mellanox was able to bisect to 2638eb8b50cf ("net: ipv4: provide __rcu annotation for ifa_list"). While reviewing above patch I found a regression when addresses have a lifetime specified. Second patch extends rtnetlink.sh to trigger crash (without first patch applied).