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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 02C36C433E6 for ; Tue, 12 Jan 2021 12:36:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B56862310E for ; Tue, 12 Jan 2021 12:36:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731614AbhALMfs (ORCPT ); Tue, 12 Jan 2021 07:35:48 -0500 Received: from mx2.suse.de ([195.135.220.15]:38274 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726668AbhALMfr (ORCPT ); Tue, 12 Jan 2021 07:35:47 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id A644AAD1E; Tue, 12 Jan 2021 12:35:05 +0000 (UTC) Date: Tue, 12 Jan 2021 13:35:05 +0100 Message-ID: From: Takashi Iwai To: Kalle Valo Cc: Michal Kubecek , linux-wireless@vger.kernel.org, Mordechay Goodstein , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Arjen de Korte , Luca Coelho Subject: Re: regression in iwlwifi: page fault in iwl_dbg_tlv_alloc_region() (commit ba8f6f4ae254) In-Reply-To: <87v9c2qtj9.fsf@tynnyri.adurom.net> References: <20201228115814.GA5880@lion.mk-sys.cz> <87v9c2qtj9.fsf@tynnyri.adurom.net> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, 12 Jan 2021 12:33:14 +0100, Kalle Valo wrote: > > (adding luca) > > Michal Kubecek writes: > > > FYI, there is a regression in iwlwifi driver caused by commit > > ba8f6f4ae254 ("iwlwifi: dbg: add dumping special device memory") > > reported at > > > > https://bugzilla.kernel.org/show_bug.cgi?id=210733 > > https://bugzilla.suse.com/show_bug.cgi?id=1180344 > > > > The problem seems to be an attempt to write terminating null character > > into a string which may be read only. There is also a proposed fix. > > Can someone submit a proper patch, please? See instructions below how to > submit. > > And please add Fixes tag to the commit log: > > Fixes: ba8f6f4ae254 ("iwlwifi: dbg: add dumping special device memory") OK, I'll do it for my own, but really I hoped that someone would have reacted on the bugzilla report before the official patch submission. So far no one from the upstream devs showed interest in the bug at all, unfortunately. thanks, Takashi