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 3B7C1C6FD1C for ; Sun, 26 Mar 2023 16:58:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232371AbjCZQ60 (ORCPT ); Sun, 26 Mar 2023 12:58:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230212AbjCZQ6Z (ORCPT ); Sun, 26 Mar 2023 12:58:25 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12CF64EF9 for ; Sun, 26 Mar 2023 09:58:24 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id z65-20020a6bc944000000b007584beb0e28so4129764iof.21 for ; Sun, 26 Mar 2023 09:58:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679849903; 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=vq3vDhPKDyeaes7/yEj7BE2fi8mRxBSHslw2Y4HzVzo=; b=gvwQRpaNtak6N4+E+Td+CW1V2YXiL31N3S1yrwViUx2MWVGhuQ+/r2bcQh4nD9wzo2 e/mm2gpjaBcT0hwNStPz++LiuCv6HEC02QMnooViUhuXrWC/OGKgcxx9OxWKdODrlhxj MS6gi+GiZPxB7ESJV9ZHN0TwHRqFferIJ8TEX76De8xIJmqpTPO+xwDDoxWknld2AwCx hOZ+cp+Yrzl6rQX6ArndN0pr8CN9sU98T16/D0F6REYlBzEYZEltEQkqUJjkxBzSifAG aBI3S4nMZfMTg3MeY1Z4hmRuqTuB9r2vpDDKePKclVcNO6hxcxnrd9oq0STiq6y8kbH6 0rfw== X-Gm-Message-State: AAQBX9dIyMMdk//Radx1at6nNb706xWjdDm6U3OFM+ModRKv0P9tUlmU QAJQ0l++1d0Fx0kTpOfU+5nYAOelm+6tEkYGA+/6JRRbub5y X-Google-Smtp-Source: AKy350ZxaK9M2hsWGjTlFcnGNf6JQhjgwxQU0n7BtyFmcs5MnBJvxa5UgxtQAcQDiPhBHQRlms4xXz3PeQsI3QP/1gxw83C0O+GA MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a4d:b0:315:3821:b56b with SMTP id u13-20020a056e021a4d00b003153821b56bmr5010047ilv.6.1679849903389; Sun, 26 Mar 2023 09:58:23 -0700 (PDT) Date: Sun, 26 Mar 2023 09:58:23 -0700 In-Reply-To: <0000000000000ac4cc05f6e7f12b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c4832e05f7d088c6@google.com> Subject: Re: [syzbot] [f2fs?] INFO: task hung in f2fs_balance_fs From: syzbot To: chao@kernel.org, hdanton@sina.com, jaegeuk@kernel.org, jiayang5@huawei.com, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has bisected this issue to: commit 10d0786b39b3b91c4fbf8c2926e97ab456a4eea1 Author: Jia Yang Date: Wed Jul 14 07:46:06 2021 +0000 f2fs: Revert "f2fs: Fix indefinite loop in f2fs_gc() v1" bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13426789c80000 start commit: 4bdec23f971b Merge tag 'hwmon-for-v6.3-rc4' of git://git.k.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=10c26789c80000 console output: https://syzkaller.appspot.com/x/log.txt?x=17426789c80000 kernel config: https://syzkaller.appspot.com/x/.config?x=ea09b0836073ee4 dashboard link: https://syzkaller.appspot.com/bug?extid=8b85865808c8908a0d8c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1320ef41c80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=100b561ec80000 Reported-by: syzbot+8b85865808c8908a0d8c@syzkaller.appspotmail.com Fixes: 10d0786b39b3 ("f2fs: Revert "f2fs: Fix indefinite loop in f2fs_gc() v1"") For information about bisection process see: https://goo.gl/tpsmEJ#bisection