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 E600CC433EF for ; Fri, 18 Mar 2022 22:33:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241318AbiCRWe3 (ORCPT ); Fri, 18 Mar 2022 18:34:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232757AbiCRWe1 (ORCPT ); Fri, 18 Mar 2022 18:34:27 -0400 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B70EA12C6C3 for ; Fri, 18 Mar 2022 15:33:07 -0700 (PDT) Received: by mail-il1-f199.google.com with SMTP id q6-20020a056e0215c600b002c2c4091914so5541114ilu.14 for ; Fri, 18 Mar 2022 15:33:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=mIO9yRV3fgG/DVkTsgBW4fDvGqZ5uti//MXNsZwJ45E=; b=XZL/1Ca2RQOJhn6OpOBfpfKF+AbvJJdDaa1/ZySliSyVcadGxycHGzNAOG6Cc7DeHX +DlynDf0YbtUCt0q1NQ7W4BkC8AF/yw/FdplxEs3mM0MnM5P1fawkM/NkKtQcHOHqT3l XZ96PMwVIWya2KRKqYniVWUvF+ijMtBXXPP+cwgQvWwYR2ZaZOM+fenjhj7qwwGxzDNg FT1MODhkl83x8naO2IP2062sWQrJpUUtMSLRFd+2KKAoXqVAnl65O0kxrLeR6fZr8pJL IP4UFP0XbRWnqwWjaUbj9v9m056TMsxHFyqy10Oi40SxaaifI65vHYfXktXIWgDcBkfn QYCw== X-Gm-Message-State: AOAM531N/A539lHF0at26O9JLRYvjotPbIVUR2bHd/29adu9kdeEUL8k QnjD8+sasxn6OMIk2wJHjGdD45xOwskRJzTMkw0dFnq13Oka X-Google-Smtp-Source: ABdhPJyQ2FOq8nKOfS42EnBuiD0kcWb9Hx8aBpPKskdcVGGzqfnU9wZ8ty9Vzaq2PmqftTKzmHQDWp4Kv8S6lnisQYEEJBYhVGSQ MIME-Version: 1.0 X-Received: by 2002:a02:5b85:0:b0:319:ff85:ff5 with SMTP id g127-20020a025b85000000b00319ff850ff5mr5922420jab.250.1647642787039; Fri, 18 Mar 2022 15:33:07 -0700 (PDT) Date: Fri, 18 Mar 2022 15:33:07 -0700 In-Reply-To: <000000000000dda2f905da80c934@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000009cf1e05da85bb31@google.com> Subject: Re: [syzbot] WARNING: kobject bug in erofs_unregister_sysfs From: syzbot To: akpm@linux-foundation.org, chao@kernel.org, linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, sfr@canb.auug.org.au, songmuchun@bytedance.com, syzkaller-bugs@googlegroups.com, xiang@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 2768c206f2c3e95c0e5cf2e7f846103fda7cd429 Author: Muchun Song Date: Thu Mar 3 01:15:36 2022 +0000 mm: list_lru: allocate list_lru_one only when needed bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1495694d700000 start commit: 91265a6da44d Add linux-next specific files for 20220303 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1695694d700000 console output: https://syzkaller.appspot.com/x/log.txt?x=1295694d700000 kernel config: https://syzkaller.appspot.com/x/.config?x=617f79440a35673a dashboard link: https://syzkaller.appspot.com/bug?extid=f05ba4652c0471416eaf syz repro: https://syzkaller.appspot.com/x/repro.syz?x=137f17d9700000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=114ebabd700000 Reported-by: syzbot+f05ba4652c0471416eaf@syzkaller.appspotmail.com Fixes: 2768c206f2c3 ("mm: list_lru: allocate list_lru_one only when needed") For information about bisection process see: https://goo.gl/tpsmEJ#bisection