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 X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34C87C433E2 for ; Wed, 16 Sep 2020 08:19:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EADFA206BE for ; Wed, 16 Sep 2020 08:19:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726498AbgIPITQ (ORCPT ); Wed, 16 Sep 2020 04:19:16 -0400 Received: from mail-il1-f207.google.com ([209.85.166.207]:52465 "EHLO mail-il1-f207.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726149AbgIPITL (ORCPT ); Wed, 16 Sep 2020 04:19:11 -0400 Received: by mail-il1-f207.google.com with SMTP id m1so4951018iln.19 for ; Wed, 16 Sep 2020 01:19:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=MpjW6yPzOhFB98vREk8U50PzmQ08W7Z9iyhJvVdEnJg=; b=UJxA29eyzFaTjPtnqxZlg55I5DudNVorfx+YCwXduG4brmAXtU24lc2Ip4gLaet0oh To8MgwIUGEBYiP64UQnOGFoWQr0GaAUyzhnIR7oYvPS+noqjLuUQvR9VdvbAA/Rmt84F 720wlhhtxdepjhTdTOPDqZSTdJKTzx4GwBzckCyoIk2w2QywP36GpStBoVXWyacm4cup Yre3Yg0ovZnvcechsjq/EnI0YV8E2IMD0XLEW5gdOiLX7Ifu9TghZkJV5GcG1XhY9e19 ZG8IVK4SL7lbDoiL5WoM557fmkqp5/I0PYdiRzmqZ4L1wLl4J0XgcJr7jp+xu/NBgfdU umOQ== X-Gm-Message-State: AOAM533D0S3z9oHSgMzlh3JopsDQ/4oJD4XYdizy3JD6Fz/5qWRzWnpp oUv8khKhwglErH6hN+WJMSVF4Z43DPPFjIq+fRp4ShflCMUi X-Google-Smtp-Source: ABdhPJwFOyM2R4eo8fW8aOAA9iJyx59dTuWjTzJjlk/np2AmX2NM0Lqembb1/k6o9Y7CdAHXiPP78YaM9lMqspuh/QwIai9kafLT MIME-Version: 1.0 X-Received: by 2002:a05:6e02:d45:: with SMTP id h5mr20731707ilj.168.1600244350175; Wed, 16 Sep 2020 01:19:10 -0700 (PDT) Date: Wed, 16 Sep 2020 01:19:10 -0700 In-Reply-To: <000000000000a61d6b05af580e62@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000bcff305af69ecae@google.com> Subject: Re: kernel BUG at lib/string.c:LINE! (5) From: syzbot To: anand.jain@oracle.com, clm@fb.com, dsterba@suse.com, johannes.thumshirn@wdc.com, josef@toxicpanda.com, jthumshirn@suse.de, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 3951e7f050ac6a38bbc859fc3cd6093890c31d1c Author: Johannes Thumshirn Date: Mon Oct 7 09:11:01 2019 +0000 btrfs: add xxhash64 to checksumming algorithms bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10aadcc5900000 start commit: e4c26faa Merge tag 'usb-5.9-rc5' of git://git.kernel.org/p.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=12aadcc5900000 console output: https://syzkaller.appspot.com/x/log.txt?x=14aadcc5900000 kernel config: https://syzkaller.appspot.com/x/.config?x=c61610091f4ca8c4 dashboard link: https://syzkaller.appspot.com/bug?extid=e864a35d361e1d4e29a5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=177582be900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13deb2b5900000 Reported-by: syzbot+e864a35d361e1d4e29a5@syzkaller.appspotmail.com Fixes: 3951e7f050ac ("btrfs: add xxhash64 to checksumming algorithms") For information about bisection process see: https://goo.gl/tpsmEJ#bisection