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=-6.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 09E9EC433DB for ; Mon, 8 Feb 2021 08:52:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B502364DDD for ; Mon, 8 Feb 2021 08:52:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230452AbhBHIwU (ORCPT ); Mon, 8 Feb 2021 03:52:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:41844 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230293AbhBHItr (ORCPT ); Mon, 8 Feb 2021 03:49:47 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7CE9964E3F; Mon, 8 Feb 2021 08:49:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1612774143; bh=jK8gkHstEVx/vPidU4geaVSKjlzS90MaLfQBHIeLEo4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VSsSNZmeb3cWitZZY0IHyUSPQmxsmr+C8zZdmWtNlSHZ5ZjiKVLahAVcBJnLC747H NRs0vboGQWrWe4bq+pDHSIWApxb5Unk/SEYjIyrRp99joRu+grE+Nh5xrB5eVJtBB8 S6AfUCw2ACAf/fU5cg7GBs0fBXz5bGcARJXyb3dY= Date: Mon, 8 Feb 2021 09:49:00 +0100 From: Greg KH To: "Schmid, Carsten" Cc: "netdev@vger.kernel.org" Subject: Re: Where is this patch buried? Message-ID: References: <7953a4158fd14aabbcfbad8365231961@SVR-IES-MBX-03.mgc.mentorg.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7953a4158fd14aabbcfbad8365231961@SVR-IES-MBX-03.mgc.mentorg.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, Feb 08, 2021 at 08:12:29AM +0000, Schmid, Carsten wrote: > Hi Greg, > > in kernel 4.14 i have seen a NULL pointer deref in > [65064.613465] RIP: 0010:ip_route_output_key_hash_rcu+0x755/0x850 > (i have a core dump and detailed analysis) > > That looks like this patch could have prevented it: > > https://www.spinics.net/lists/stable-commits/msg133055.html > > this one was queued for 4.14, but i can't find it in git tree? > Any idea who/what buried this one? > > In 4.19 it is present. > > Because our customer uses 4.14 (going to 4.14.212 in a few days) i kindly want to ask why this patch hasn't entered 4.14. Because it breaks the build? Try it yourself and see what happens :) I will gladly take a working backport if you can submit it. thanks, greg k-h