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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 A8970ECDFBB for ; Wed, 18 Jul 2018 19:00:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 64A9B2084E for ; Wed, 18 Jul 2018 19:00:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64A9B2084E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729776AbeGRTjr (ORCPT ); Wed, 18 Jul 2018 15:39:47 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:59254 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729235AbeGRTjr (ORCPT ); Wed, 18 Jul 2018 15:39:47 -0400 Received: from p4fea5a5a.dip0.t-ipconnect.de ([79.234.90.90] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1ffrga-0003ba-RD; Wed, 18 Jul 2018 21:00:28 +0200 Date: Wed, 18 Jul 2018 21:00:25 +0200 (CEST) From: Thomas Gleixner To: Paul Menzel cc: Bjorn Helgaas , Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Marc Zyngier Subject: Re: NULL pointer dereference in msi_set_mask_bit In-Reply-To: <178bb701-56af-06cf-4836-1a26e74f2b07@molgen.mpg.de> Message-ID: References: <20180718140636.GD128988@bhelgaas-glaptop.roam.corp.google.com> <6339fdef-a335-b833-4022-23725fd86d9e@molgen.mpg.de> <178bb701-56af-06cf-4836-1a26e74f2b07@molgen.mpg.de> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; CHARSET=US-ASCII Content-ID: X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Paul, On Wed, 18 Jul 2018, Paul Menzel wrote: > On 07/18/18 17:39, Thomas Gleixner wrote: > > Bah. Could you please enable GENERIC_IRQ_DEBUGFS and after a successful > > boot up provide me the content of all files in /sys/kernel/debug/irq/ and > > its subfolders? > > Sure, please find them attached. `7zr x sys-kernel-debug-irq.7z` should > extract it. It generates the files, but they are all size '1' and contain nothing. Thanks, tglx