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=-6.1 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 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 6D1F8C4743C for ; Wed, 23 Jun 2021 15:12:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 534516100B for ; Wed, 23 Jun 2021 15:12:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231335AbhFWPOn (ORCPT ); Wed, 23 Jun 2021 11:14:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:38142 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230061AbhFWPOm (ORCPT ); Wed, 23 Jun 2021 11:14:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 66965601FF; Wed, 23 Jun 2021 15:12:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1624461145; bh=2BXvozL35GZ2CwrGnA16lbsGHp087RB1g1dC5lovYoo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=SBxsEvU3I4FbVb1pf9qT+5J5hV2P/E+e6ZCjQpb2F8OywRoVYXBSDvRktTrlaXbqp cVK1FS71jDf3U+RDyFgq974dFfirLM8vbLvMM1J91xvTP85PJ5gzoy6DIknuOmuvMR L6UzCJemjmL3LXvsSVfrOMp4JWIhLRnFX6UtYfXc= Date: Wed, 23 Jun 2021 17:12:22 +0200 From: "gregkh@linuxfoundation.org" To: Christian =?iso-8859-1?Q?L=F6hle?= Cc: "linux-kernel@vger.kernel.org" , "rafael@kernel.org" Subject: Re: [PATCH] kobject: Safe return of kobject_get_path with NULL Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 23, 2021 at 02:49:57PM +0000, Christian Löhle wrote: > This prevents two Oopses I've encountered. > (Sorry for the older kernel) > > [ 4650.202534] general protection fault: 0000 [#1] PREEMPT SMP > [ 4650.202554] Modules linked in: serio_raw atkbd libps2 aesni_intel aes_x86_64 crypto_simd glue_helper ahci libahci i8042 fam15h_power hwmon_vid k10temp scsi_mon ftdi_sio usbserial exfat ext4 crc16 mbcache jbd2 fscrypto sg fuse nls_iso8859_1 nls_cp437 vfat fat nfsv3 nfs_acl nfsv4 dns_resolver nfs lockd grace sunrpc fscache e1000e ptp pps_core i915 intel_gtt usbmon button serio ehci_pci ehci_hcd r8169 mii xhci_pci xhci_hcd libcrc32c crc32c_generic crc32c_intel crc32_pclmul radeon i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm agpgart ata_piix pata_acpi ata_generic libata uas usb_storage sd_mod scsi_mod isofs loop overlay ip_tables x_tables sch_fq_codel tpm_tis tpm_tis_core tpm lpc_ich ie31200_edac mei_me mei shpchp parport_pc battery fan thermal i2c_i801 intel_rapl_perf > [ 4650.202746] intel_cstate ghash_clmulni_intel cryptd crct10dif_pclmul ppdev parport mousedev input_leds iTCO_wdt iTCO_vendor_support kvm irqbypass evdev mac_hid eeepc_wmi asus_wmi sparse_keymap wmi led_class video coretemp intel_powerclamp x86_pkg_temp_thermal intel_rapl cfg80211 rfkill hid_generic usbhid hid usbcore usb_common > [ 4650.202824] CPU: 0 PID: 20750 Comm: python3 Not tainted 4.13.5-1hyLinux #22 Lots of things have changed since this old kernel version. Can you see if this is still needed on Linus's tree? thanks, greg k-h