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=-13.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,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 CD432C432BE for ; Wed, 28 Jul 2021 20:57:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE1C261019 for ; Wed, 28 Jul 2021 20:57:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231743AbhG1U5K (ORCPT ); Wed, 28 Jul 2021 16:57:10 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:45645 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231666AbhG1U5J (ORCPT ); Wed, 28 Jul 2021 16:57:09 -0400 Received: by mail-il1-f198.google.com with SMTP id l4-20020a9270040000b02901bb78581beaso2117190ilc.12 for ; Wed, 28 Jul 2021 13:57:07 -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=k7avy/HerkLzVt2TDE6cKZ9UT96PiKh/Pc16LGwaHOo=; b=JYxiZWFW4+ZLwZ/QWgboZe85YudaWwr8EkEr/xEO6bMgO0ZEEkhiI3Fq4VHF8kNuSe xlIiwglAFXfKOTq8cHgmOToNY0aFoa33oTN5Y7U5y+hSpjdukwTW7YbhgZByry9G+kZ9 URHWpa8pPlkABdVk8RO63msRZpKUFqzFFR+AoDtOPIdMmQZV0PkoRFSBlBbFvGoy3Ewt awrSdzMXD9BnC8asD94EbgjzLt02w9uXF0zRzrlOlKL1e0lEDhVx4+UjjbztRIT3KfJ8 tY8fCQfR+ZMKI4LwhzffBw18jZvt0TIntpAtxfetOwszZO+EK9HTouIEoADnBsQe+oO9 vDlQ== X-Gm-Message-State: AOAM533sa4QGcqJJGUfDQY4Rjkt98DT4u7nC0HyDgR32SqNw+C/iEnSL XN74bmMhLOvfhjHyrjgn+i4FR8TFCado8Jn4t9dBU+HaoDcY X-Google-Smtp-Source: ABdhPJyZnAPPwgmg7uF5y/Cxw8Xv6DuGKAwZPuLqUazVOHeSKjzDmsa4PIvTWSOdsoD6wYrDR8P75M72ExNJce5udu9KdgSwzi/G MIME-Version: 1.0 X-Received: by 2002:a02:cf0e:: with SMTP id q14mr1461977jar.86.1627505827360; Wed, 28 Jul 2021 13:57:07 -0700 (PDT) Date: Wed, 28 Jul 2021 13:57:07 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b5b15305c8353a74@google.com> Subject: Re: [syzbot] possible deadlock in iter_file_splice_write (2) From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, mszeredi@redhat.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk 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+4bdbcaa79e8ee36fe6af@syzkaller.appspotmail.com Tested on: commit: cdaddca6 ovl: fix deadlock in splice write git tree: git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-next kernel config: https://syzkaller.appspot.com/x/.config?x=4aa932b5eaeee9ef dashboard link: https://syzkaller.appspot.com/bug?extid=4bdbcaa79e8ee36fe6af compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1 Note: testing is done by a robot and is best-effort only.