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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 35B68C43381 for ; Fri, 8 Mar 2019 10:50:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 075C02147A for ; Fri, 8 Mar 2019 10:50:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726463AbfCHKum (ORCPT ); Fri, 8 Mar 2019 05:50:42 -0500 Received: from Chamillionaire.breakpoint.cc ([146.0.238.67]:34088 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726249AbfCHKum (ORCPT ); Fri, 8 Mar 2019 05:50:42 -0500 Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.89) (envelope-from ) id 1h2D5L-0004k5-Dd; Fri, 08 Mar 2019 11:50:39 +0100 Date: Fri, 8 Mar 2019 11:50:39 +0100 From: Florian Westphal To: Dmitrii Tcvetkov Cc: netfilter-devel@vger.kernel.org, coreteam@netfilter.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: NULL pointer dereference in nft_set_elem_destroy() Message-ID: <20190308105039.xmf3ho3nixhfnnmh@breakpoint.cc> References: <20190308131746.5899877a@fire.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190308131746.5899877a@fire.localdomain> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dmitrii Tcvetkov wrote: > After upgrade to 5.0 on XPS 13 9360 I get NULL pointer dereference in > dmesg (attached). Distro is Arch Linux, kernel is built with custom > config (attached), but distro kernel[1] reproduces the issue on the > laptop as well. > > Bisect led me to commit f6ac858589768 (netfilter: nf_tables: unbind set > in rule from commit path), bisect log attached. The commit doesn't > revert cleanly on top of v5.0, and conflicts aren't trivial for me to > resolve. Please see https://patchwork.ozlabs.org/patch/1053232/ this probably resolves this crash as well.