From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-fsdevel-owner@vger.kernel.org>
Received: from bombadil.infradead.org ([65.50.211.133]:41790 "EHLO
        bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S932294AbdBHH7f (ORCPT
        <rfc822;linux-fsdevel@vger.kernel.org>);
        Wed, 8 Feb 2017 02:59:35 -0500
Date: Tue, 7 Feb 2017 23:59:30 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Goldwyn Rodrigues <rgoldwyn@suse.de>
Cc: linux-fsdevel@vger.kernel.org,
        Goldwyn Rodrigues <rgoldwyn@suse.com>
Subject: Re: [PATCH] aio: Check for aio_flags
Message-ID: <20170208075930.GA32505@infradead.org>
References: <20170208023323.8962-1-rgoldwyn@suse.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20170208023323.8962-1-rgoldwyn@suse.de>
Sender: linux-fsdevel-owner@vger.kernel.org
List-ID: <linux-fsdevel.vger.kernel.org>

On Tue, Feb 07, 2017 at 08:33:23PM -0600, Goldwyn Rodrigues wrote:
> From: Goldwyn Rodrigues <rgoldwyn@suse.com>
> 
> aio_flags are not checked when performing io_submit() and
> can contain non-conforming values.
> Return -EINVAL if they are invalid.

while this is what we should have done from the start it could break
existing userspace programs now.