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=ham 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 66937C4363C for ; Mon, 21 Sep 2020 20:33:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2F91E218AC for ; Mon, 21 Sep 2020 20:33:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726594AbgIUUdL (ORCPT ); Mon, 21 Sep 2020 16:33:11 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:34747 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726427AbgIUUdK (ORCPT ); Mon, 21 Sep 2020 16:33:10 -0400 Received: by mail-il1-f199.google.com with SMTP id i18so3403651ils.1 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=TaZll4IzB5nOqbZzw8Esa8SYckXfStNDahuoqfifqrGCzISPIbEC+44eY6aCsO2YuJ +YrUyLS5w+bw3V3Fx+fO47QYCGyO8wFm3dYMO5grCrLWXU0wwPjBgsxn1+lZK7Kr/sfp KbiCITJEkyf+qmtmkG3d5QEBgxInx7iqu3g5YeTDwtp2M9eyxg3KsGzYcJ+1hf8rVX0a fAIF+1eVqOqAzRku4roS7+uBY/3YtTJnzRCtLZRKTFRb+b4JwDPtEqlwBvUWSAQKp/N3 2qmCIhpvuoZquTzL5iY87GG5uhoPTasMWUr02NMz0+gBriln/W80nRg0XyH2DEjwneXj 9FAQ== X-Gm-Message-State: AOAM533mH9mQYvVvvhCOnApeD9/6IUC0v/ElxU8ll/RPilAPvxgl4dP/ vtupc4NoTwzaPP0kpdDMK5CBWF+Wn027GZF6Sg2ZVeJmZIlt 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-kernel@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.