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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A95EC46467 for ; Wed, 4 Jan 2023 22:59:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234690AbjADW7V (ORCPT ); Wed, 4 Jan 2023 17:59:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234680AbjADW7D (ORCPT ); Wed, 4 Jan 2023 17:59:03 -0500 X-Greylist: delayed 949 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Wed, 04 Jan 2023 14:58:29 PST Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de [130.133.4.66]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C435485A7; Wed, 4 Jan 2023 14:58:28 -0800 (PST) Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69]) by outpost.zedat.fu-berlin.de (Exim 4.95) with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from ) id 1pDCSl-002aIy-VA; Wed, 04 Jan 2023 23:42:23 +0100 Received: from p57bd94ed.dip0.t-ipconnect.de ([87.189.148.237] helo=[192.168.178.81]) by inpost2.zedat.fu-berlin.de (Exim 4.95) with esmtpsa (TLS1.3) tls TLS_AES_128_GCM_SHA256 (envelope-from ) id 1pDCSl-001ZIc-OQ; Wed, 04 Jan 2023 23:42:23 +0100 Message-ID: <41b7b553-e7e7-58ae-532e-37234f21b80d@physik.fu-berlin.de> Date: Wed, 4 Jan 2023 23:42:22 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [syzbot] [hfs?] WARNING in hfs_write_inode To: Arnd Bergmann , Linus Torvalds Cc: syzbot , Andrew Morton , christian.brauner@ubuntu.com, Damien Le Moal , jlayton@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, Matthew Wilcox , ZhangPeng , Viacheslav Dubeyko , linux-m68k@lists.linux-m68k.org References: <000000000000dbce4e05f170f289@google.com> <5f45bb9a-5e00-48dd-82b0-46b19b1b98a3@app.fastmail.com> Content-Language: en-US From: John Paul Adrian Glaubitz In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Original-Sender: glaubitz@physik.fu-berlin.de X-Originating-IP: 87.189.148.237 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Arnd! On 1/4/23 23:33, Arnd Bergmann wrote: > Adding Viacheslav Dubeyko to Cc, he's at least been reviewing > patches for HFS and HFS+ somewhat recently. The linux-m68k > list may have some users dual-booting old MacOS. HFS/HFS+ is also used by PowerPC users on PowerMac hardware for both exchanging data between MacOS and Linux as well as for booting Linux using GRUB with a HFS/HFS+ /boot partition. Debian's grub-installer creates an HFS partition from which GRUB loads the kernel and the initrd [1]. In order to be able to update kernel and initrd, the running Linux system needs to be able to read/write HFS/HFS+ partitions which is used for the /boot partition. Adrian > [1] https://salsa.debian.org/installer-team/grub-installer/-/blob/master/grub-installer#L918 -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913