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 52DD0CD3435 for ; Tue, 19 Sep 2023 02:52:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231169AbjISCwq (ORCPT ); Mon, 18 Sep 2023 22:52:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231177AbjISCwp (ORCPT ); Mon, 18 Sep 2023 22:52:45 -0400 Received: from mail-ot1-f71.google.com (mail-ot1-f71.google.com [209.85.210.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9612E95 for ; Mon, 18 Sep 2023 19:52:39 -0700 (PDT) Received: by mail-ot1-f71.google.com with SMTP id 46e09a7af769-6c0b345d6acso7461642a34.0 for ; Mon, 18 Sep 2023 19:52:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695091959; x=1695696759; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=U1IjXmLLQ87nu+7+2vWII1so1UkZOVn9xt4tJ2B60iA=; b=ZukgGWp5MhdCTuzROVsaNi9pJKE5omDdqRSb0ySxl1e/rbJFX9SRjpSaqc0PJAoHmi syj/evmzG57xy6Y9dQyOZ5MEkyG1ip+KgOb2wGY3wk3ZrKqABQj/BTW4a6+IWRwHLKg5 QkO3Zi8kzCC6U0RKTGF1uh1IBiLTBOEPOsfPtoMk12zEsD6UdTc5miJNyB5V7i26Tdzr sVVNawC4K2DZCBX5WrNWxWx8b/jrjMzYhgatAGF9zfVOgfw/EclCJ7JZvN65PUEZxZtu TlmVGzmQNTc9YU2jpHlnzy0H3i3/wJRw9XFn6VcEylW4S0hFotFOyrBh/LzgSZc82Xc+ ROGA== X-Gm-Message-State: AOJu0YxXz+2lDnd6NXRtF2c/9w3JYJSkIbevZB7OLvl64Ho7Bcd1Jeyg Tvm1dvkEi6CrEImxKgx165dfy/50i/t8HAibrkeLKTHJTKtd X-Google-Smtp-Source: AGHT+IGwx53gLAoDlfe5EQgVNwxeuxguK8KPzmoyLvOPdDG6yB0m7AVz3DPTOccsWpwx3pYf7y/rCxOLDGdPEvSWIiS7Pn5s9+g4 MIME-Version: 1.0 X-Received: by 2002:a05:6808:2da:b0:3ad:da36:1dd6 with SMTP id a26-20020a05680802da00b003adda361dd6mr648710oid.1.1695091959036; Mon, 18 Sep 2023 19:52:39 -0700 (PDT) Date: Mon, 18 Sep 2023 19:52:38 -0700 In-Reply-To: <000000000000e534bb0604959011@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001486250605ad5abc@google.com> Subject: Re: [syzbot] [block] INFO: task hung in clean_bdev_aliases From: syzbot To: axboe@kernel.dk, brauner@kernel.org, david@fromorbit.com, djwong@kernel.org, hare@suse.de, hch@lst.de, johannes.thumshirn@wdc.com, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, mcgrof@kernel.org, nogikh@google.com, p.raghav@samsung.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org syzbot has bisected this issue to: commit 487c607df790d366e67a7d6a30adf785cdd98e55 Author: Christoph Hellwig Date: Tue Aug 1 17:22:00 2023 +0000 block: use iomap for writes to block devices bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1086cb74680000 start commit: f0b0d403eabb Merge tag 'kbuild-fixes-v6.6' of git://git.ke.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1286cb74680000 console output: https://syzkaller.appspot.com/x/log.txt?x=1486cb74680000 kernel config: https://syzkaller.appspot.com/x/.config?x=999148c170811772 dashboard link: https://syzkaller.appspot.com/bug?extid=1fa947e7f09e136925b8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16148d74680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e10762680000 Reported-by: syzbot+1fa947e7f09e136925b8@syzkaller.appspotmail.com Fixes: 487c607df790 ("block: use iomap for writes to block devices") For information about bisection process see: https://goo.gl/tpsmEJ#bisection