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 A56C8C001DD for ; Fri, 14 Jul 2023 01:44:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234378AbjGNBoF (ORCPT ); Thu, 13 Jul 2023 21:44:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232526AbjGNBoC (ORCPT ); Thu, 13 Jul 2023 21:44:02 -0400 Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8514D35A8 for ; Thu, 13 Jul 2023 18:43:36 -0700 (PDT) Received: by mail-oo1-f72.google.com with SMTP id 006d021491bc7-565cd3f645bso1767499eaf.1 for ; Thu, 13 Jul 2023 18:43:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689299004; x=1691891004; 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=vZnknvALMXVtBPX6Ukkpz2YO8donkHl1pxBhmFLF1B8=; b=Ol7aeWpPFoz0w58XNAjhfADhIuWrGeHEYXUyERa+A4YnMPRjSiV2clbATMKgWAtsmp hdDFG7IZCIF58bf2OQL4+fgGpDfjernItsR11eFlZa+hD2oh/FqgPHlNrJwDjkXuVwIQ +xRLyijH9j14y7tddO9VgetuMwJZuhQiRGdnCW5i1TLgRWxuojYGgX6LgFElgzLomIhg +Q5ikVM/290V97Ajzfii+4IctZmSlmj3xKyH7s3NHhOMR05OxixMfkFiZaqY/gm+yYkb tsjNkNg99Id3MRQpEwU1NO9lZAGniymR+j/+EOXNKtZEQie9GM9kaF0nHDzZyJNX3jLl XJ7w== X-Gm-Message-State: ABy/qLbXQwuZlSiPA+UlKYs+qlUjEtK3dQl1Hjk1ut35Qil48gutViVg tkAhhn1H7oINZs9on7lhkRSpTuxXYl+2vPd4RznTOT7Cazh8 X-Google-Smtp-Source: APBJJlGd0eELYwyfN1ir0FVfQ1r8XO7T2Oqnv+pjSOFNSE8HMIz7hICE3gORb5V98Qrx8R+qp9PXum5hz1HF/XHIWmUmq950RZr6 MIME-Version: 1.0 X-Received: by 2002:a05:6870:a881:b0:1b3:99b4:3e46 with SMTP id eb1-20020a056870a88100b001b399b43e46mr3253987oab.8.1689299004333; Thu, 13 Jul 2023 18:43:24 -0700 (PDT) Date: Thu, 13 Jul 2023 18:43:24 -0700 In-Reply-To: <0000000000003735c9060061384a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000012a70f0600689326@google.com> Subject: Re: [syzbot] [btrfs?] general protection fault in btrfs_finish_ordered_extent From: syzbot To: clm@fb.com, dsterba@suse.com, hch@lst.de, johannes.thumshirn@wdc.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, 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-kernel@vger.kernel.org syzbot has bisected this issue to: commit b41b6f6937dc89e072b334e8d814487cb4692770 Author: Christoph Hellwig Date: Wed May 31 07:54:09 2023 +0000 btrfs: use btrfs_finish_ordered_extent to complete direct writes bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14761374a80000 start commit: 1c7873e33645 mm: lock newly mapped VMA with corrected orde.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=16761374a80000 console output: https://syzkaller.appspot.com/x/log.txt?x=12761374a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=9831e2c2660aae77 dashboard link: https://syzkaller.appspot.com/bug?extid=5b82f0e951f8c2bcdb8f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=109dcf08a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13dadfb4a80000 Reported-by: syzbot+5b82f0e951f8c2bcdb8f@syzkaller.appspotmail.com Fixes: b41b6f6937dc ("btrfs: use btrfs_finish_ordered_extent to complete direct writes") For information about bisection process see: https://goo.gl/tpsmEJ#bisection