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 C8AB7FA3740 for ; Mon, 31 Oct 2022 11:51:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231161AbiJaLv2 (ORCPT ); Mon, 31 Oct 2022 07:51:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231128AbiJaLvZ (ORCPT ); Mon, 31 Oct 2022 07:51:25 -0400 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8FF18EE18 for ; Mon, 31 Oct 2022 04:51:24 -0700 (PDT) Received: by mail-io1-f71.google.com with SMTP id bf14-20020a056602368e00b006ce86e80414so1625273iob.7 for ; Mon, 31 Oct 2022 04:51:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=haYtoHZzLu1c3fU5UhA6SNsl7G50nkj72w4dRbQTGJY=; b=GxOMexQ5mFtOa8SH7wieSjIENYBljjyPsTqBrd6LHmqgT+/wC7V7O0FIUmPClAnuDG moF5D9IXSabB5VkF/GIBMYOOjq+Mr/pWxbOd7DwXd6iwYM7elBLHIV8fRfTurdhN+Ya6 qpDGd1vRJPkcWfdEN1NVe2+xdX7cCVMoci0B99atATGOPAa2DrTGGlK8k7wwi6UOUnZ0 YhkG3Irz705kJcwYnVj5SZJmGnBBxkqXa8ew1bc9iNATbewW0TDqGI86/Bhm6ffd979s OjGHLbtbulTF9K47Td952z8I8/A42tbMC4t226Uy5kzITTJNrD9xJCSR6/wjkBQJRvqK e+kw== X-Gm-Message-State: ACrzQf0DSSLzNl27hP18XOgJsVNYfQ5cb5i8hXcrm3KdUdveGM/hx1+n /I1CFAn2s+Ph3nBHjyJh5I8kiFJ02bPmgU+6vpIFy47oHvZ6 X-Google-Smtp-Source: AMsMyM6ex36MV4sCm64SwH7pDQSoXkZTsQsQ1ixuzILeIZAl4lj0NDEDqIUdlAAG/TDwVsD2JfpNn8LNJ6qJiJmywvHWPelKBE/p MIME-Version: 1.0 X-Received: by 2002:a05:6638:388c:b0:370:cb35:edfd with SMTP id b12-20020a056638388c00b00370cb35edfdmr7330870jav.181.1667217082694; Mon, 31 Oct 2022 04:51:22 -0700 (PDT) Date: Mon, 31 Oct 2022 04:51:22 -0700 In-Reply-To: <0000000000000d9d6f05ec498263@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000fa42c105ec5339ec@google.com> Subject: Re: [syzbot] WARNING in btrfs_space_info_update_bytes_may_use From: syzbot To: akpm@linux-foundation.org, clm@fb.com, dsterba@suse.com, hch@lst.de, josef@toxicpanda.com, linmiaohe@huawei.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, willy@infradead.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org syzbot has bisected this issue to: commit 0c7c575df56b957390206deb018c41acbb412159 Author: Matthew Wilcox (Oracle) Date: Wed Feb 24 20:01:52 2021 +0000 mm/filemap: remove dynamically allocated array from filemap_read bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=119e21b6880000 start commit: b229b6ca5abb Merge tag 'perf-tools-fixes-for-v6.1-2022-10-.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=139e21b6880000 console output: https://syzkaller.appspot.com/x/log.txt?x=159e21b6880000 kernel config: https://syzkaller.appspot.com/x/.config?x=a66c6c673fb555e8 dashboard link: https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17db9ab1880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=124e21b6880000 Reported-by: syzbot+8edfa01e46fd9fe3fbfb@syzkaller.appspotmail.com Fixes: 0c7c575df56b ("mm/filemap: remove dynamically allocated array from filemap_read") For information about bisection process see: https://goo.gl/tpsmEJ#bisection