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,DKIM_SIGNED, DKIM_VALID,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 9F4DCC433DB for ; Tue, 12 Jan 2021 12:47:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 65A1622B37 for ; Tue, 12 Jan 2021 12:47:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388426AbhALMqy (ORCPT ); Tue, 12 Jan 2021 07:46:54 -0500 Received: from m43-15.mailgun.net ([69.72.43.15]:38050 "EHLO m43-15.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388394AbhALMqx (ORCPT ); Tue, 12 Jan 2021 07:46:53 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1610455592; h=Content-Type: MIME-Version: Message-ID: In-Reply-To: Date: References: Subject: Cc: To: From: Sender; bh=d9KzsDSUDaQzJ4IsFtpJ8BDiKCJOeDvBmZqSm7dAx6c=; b=md09ZRl6nyikcw5EaduOKXFgXFuDr2iAAWBoUbTmPRlNHy7xBECTbXqxFrK2Fjn8wC1YGdiQ y3yRTWbPVcvbx98F2fVILaikoa9mCq/Scf4DmUz0NjjhIlwFea5oB2CkqmwAp75xEu6cZG9L Pr2+/iynmpeM4b83dsy7DHdLuBs= X-Mailgun-Sending-Ip: 69.72.43.15 X-Mailgun-Sid: WyJiZjI2MiIsICJuZXRkZXZAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-east-1.postgun.com with SMTP id 5ffd99f4c88af061075d8f22 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 12 Jan 2021 12:45:40 GMT Sender: kvalo=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 3C5C0C433CA; Tue, 12 Jan 2021 12:45:39 +0000 (UTC) Received: from potku.adurom.net (88-114-240-156.elisa-laajakaista.fi [88.114.240.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: kvalo) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7F157C433C6; Tue, 12 Jan 2021 12:45:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7F157C433C6 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=kvalo@codeaurora.org From: Kalle Valo To: Takashi Iwai 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) References: <20201228115814.GA5880@lion.mk-sys.cz> <87v9c2qtj9.fsf@tynnyri.adurom.net> Date: Tue, 12 Jan 2021 14:45:33 +0200 In-Reply-To: (Takashi Iwai's message of "Tue, 12 Jan 2021 13:35:05 +0100") Message-ID: <87v9c2ias2.fsf@codeaurora.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Takashi Iwai writes: > 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 Thanks. > 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. Bugzilla is problematic as I don't know if anyone tracks it actively, at least I don't have time for that. I recommend reporting all wireless issues to mailing lists to make sure everyone see it. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches