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 A8EE2E82CA1 for ; Wed, 27 Sep 2023 15:10:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232336AbjI0PKZ (ORCPT ); Wed, 27 Sep 2023 11:10:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232294AbjI0PKY (ORCPT ); Wed, 27 Sep 2023 11:10:24 -0400 Received: from mail-oa1-f70.google.com (mail-oa1-f70.google.com [209.85.160.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80041F9 for ; Wed, 27 Sep 2023 08:10:23 -0700 (PDT) Received: by mail-oa1-f70.google.com with SMTP id 586e51a60fabf-1dc580ed1e4so25423823fac.1 for ; Wed, 27 Sep 2023 08:10:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695827423; x=1696432223; 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=y6qE2XlTa4u4RBDlvYz/Aw+cZGD4Gks8ccLO/qfOPBU=; b=lJysEJIC9qz0/4YlsqtTcN60GXIFp91GS/arzc+55wNNJGzPYaqvdI52wAyenrDyzT 1rNkiNTtU+xhxhGdNxTJ1C/9Hz+932lQ9leXo3nn31dIZ5NOwWx2aQyIN+c0eT6kCt+q lUu8h6HZKVw3lqxS7l8X4pfi4kJ/zUbgZy4A6YdZAspf1gBEku1DjiUDaLSCaezkej2c hrwfd9EJ0um3GVSMBGPwBTjsdYS1U+SfNM4lhaSTXSTxNEIGLmvH5SwOBYk+dt98T7OD wD1QyQnyaCdO6/CoZ9I8BPKH2dj4q33UpTGji4RnlNos6qDWvndJ+aosCWhrvnZW4KZX Wq6g== X-Gm-Message-State: AOJu0YyOEFMEeqo0SIqHB23KqsNrJ5niPUBoAWG0oX0LD2wnX0UNKWMZ yXSaXc9kd02qw8e7tEnua8AUO+n+bzNNMihfglJ0CdhRhRci X-Google-Smtp-Source: AGHT+IEFVwYkF4pSZdjsYdqAD/xZB6kBdzYdkZYFLAG3QuG2GXvs6P/b93hLjfBc2ENBC9VtkK0vGxM/1mdAklvW/skrsm/5zsau MIME-Version: 1.0 X-Received: by 2002:a05:6870:c342:b0:1d5:a24a:c33 with SMTP id e2-20020a056870c34200b001d5a24a0c33mr861602oak.8.1695827422969; Wed, 27 Sep 2023 08:10:22 -0700 (PDT) Date: Wed, 27 Sep 2023 08:10:22 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000258ac60606589787@google.com> Subject: Re: [syzbot] [overlayfs?] KASAN: invalid-free in ovl_copy_up_one From: syzbot To: amir73il@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, 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+477d8d8901756d1cbba1@syzkaller.appspotmail.com Tested on: commit: 8e9b46c4 ovl: do not encode lower fh with upper sb_wri.. git tree: https://github.com/amir73il/linux.git ovl_want_write console output: https://syzkaller.appspot.com/x/log.txt?x=10d10ffa680000 kernel config: https://syzkaller.appspot.com/x/.config?x=bb54ecdfa197f132 dashboard link: https://syzkaller.appspot.com/bug?extid=477d8d8901756d1cbba1 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.