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 117D2C41604 for ; Mon, 21 Sep 2020 20:33:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD0CC21BE5 for ; Mon, 21 Sep 2020 20:33:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726590AbgIUUdL (ORCPT ); Mon, 21 Sep 2020 16:33:11 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:47754 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726442AbgIUUdK (ORCPT ); Mon, 21 Sep 2020 16:33:10 -0400 Received: by mail-il1-f200.google.com with SMTP id p10so9107019ilp.14 for ; Mon, 21 Sep 2020 13:33:10 -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=aBPEBUwwc1w0Cg/04GJCTG9lEmPYRUQwQksAFvdmTL8=; b=WMc3Fx+ICXhemGJ13TkP7i/9PP+hydTo+fsIS4zRjchBNUEFMNipqriOjuY1MtNO6L YSbV5+I/rD86J+Up2YweulvHzSA7O3MKF8GciZxkKwPuNAVVAV9SA+isnzoSNe8r+lgN JApHYMSAYViRPvFOGJGVF5QzyIictt/4sfy+9quc0U59HExo70XEhPzCisLEPNJaxq2v a5Pzvc1PEuJLs0BO4j3I1DXG7i6YBRttIuEy4gZDsEiLtoHJ1fxCGxGIQY5oOFMg7ALC SZOJ7aDunlsfxvnL7FtlVRBe1Gbfo5WoJkeSFt22/hJaIWHE5gIoUP2iMdSdJUDnJS9q LofA== X-Gm-Message-State: AOAM532J57MTl2sAS+SpkVtt6/TWTVuEkttZIAJucjsEXKbWvbp2Qcn4 2sFbEMX5Ywh7b81CrxLrf0iUf4VWsOuQHj3tV0ElOW4GUo4c X-Google-Smtp-Source: ABdhPJxAHHhGt8MIcxnImqlS8iOvTg6NNJZCJaGoO7lTAyYbtLszF4Oh4nZpmJIQn9uLM4w7nqwOBzi5iC8i+dCSfoIcmEkSst2+ MIME-Version: 1.0 X-Received: by 2002:a92:4101:: with SMTP id o1mr1537117ila.296.1600720390009; Mon, 21 Sep 2020 13:33:10 -0700 (PDT) Date: Mon, 21 Sep 2020 13:33:10 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003b39cd05afd8c21b@google.com> Subject: Re: KASAN: stack-out-of-bounds Write in read_extent_buffer From: syzbot To: Johannes.Thumshirn@wdc.com, clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@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-btrfs@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+1d393803acac53c985a0@syzkaller.appspotmail.com Tested on: commit: d1db82c9 btrfs: move btrfs_rm_dev_replace_free_srcdev outs.. git tree: git://github.com/kdave/btrfs-devel.git misc-5.9 kernel config: https://syzkaller.appspot.com/x/.config?x=7885f44dc5918569 dashboard link: https://syzkaller.appspot.com/bug?extid=1d393803acac53c985a0 compiler: gcc (GCC) 10.1.0-syz 20200507 Note: testing is done by a robot and is best-effort only.