From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <ltp-list-bounces@lists.sourceforge.net>
Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191]
	helo=mx.sourceforge.net)
	by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76)
	(envelope-from <caspar@casparzhang.com>) id 1S86v3-0004wb-5g
	for ltp-list@lists.sourceforge.net; Thu, 15 Mar 2012 09:24:25 +0000
Received: from mail-pz0-f47.google.com ([209.85.210.47])
	by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128)
	(Exim 4.76) id 1S86ux-00039X-MB
	for ltp-list@lists.sourceforge.net; Thu, 15 Mar 2012 09:24:25 +0000
Received: by dado14 with SMTP id o14so4865554dad.34
	for <ltp-list@lists.sourceforge.net>;
	Thu, 15 Mar 2012 02:24:13 -0700 (PDT)
Message-ID: <4F61B3A2.5030601@casparzhang.com>
Date: Thu, 15 Mar 2012 17:17:22 +0800
From: Caspar Zhang <caspar@casparzhang.com>
MIME-Version: 1.0
References: <4F61B34B.6040100@redhat.com>
In-Reply-To: <4F61B34B.6040100@redhat.com>
Subject: Re: [LTP] [PATCH v2] io_submit: uninitialized iocb may not return
 -EINVAL
List-Id: Linux Test Project General Discussions
	<ltp-list.lists.sourceforge.net>
List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/ltp-list>,
	<mailto:ltp-list-request@lists.sourceforge.net?subject=unsubscribe>
List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=ltp-list>
List-Post: <mailto:ltp-list@lists.sourceforge.net>
List-Help: <mailto:ltp-list-request@lists.sourceforge.net?subject=help>
List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/ltp-list>,
	<mailto:ltp-list-request@lists.sourceforge.net?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Errors-To: ltp-list-bounces@lists.sourceforge.net
To: ltp-list@lists.sourceforge.net

On 03/15/2012 05:15 PM, Jan Stancek wrote:
> 
> Testcase 1.3 - EINVAL: uninitialized iocb
> is about submitting uninitialized iocb structure.
> 
> Test is expecting to get -EINVAL, but other values are also
> possible as uninitialized struct can contain any values.
> 
> For example following data fails with -EBADF:
> --- snip ---
> unsigned char bad_iocb[64] = {
>      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>      0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x84, 0xa5,
>      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>      0x00, 0x00, 0x0f, 0xff, 0xe0, 0x10, 0x0c, 0x30,
>      0x00, 0x00, 0x0f, 0xff, 0xe0, 0x10, 0x0c, 0x40,
>      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
> memcpy(&iocb, bad_iocb, sizeof(iocb));
> iocbs[0] = &iocb;
> TEST(io_submit(ctx, 1, iocbs));
> check_result(-EINVAL, TEST_RETURN);
> --- snip ---
> 
> This patch accepts also few other errno codes as valid return value.
> 
> Signed-off-by: Jan Stancek <jstancek@redhat.com>

Reviewed-by: Caspar Zhang <caspar@casparzhang.com>

------------------------------------------------------------------------------
This SF email is sponsosred by:
Try Windows Azure free for 90 days Click Here 
http://p.sf.net/sfu/sfd2d-msazure
_______________________________________________
Ltp-list mailing list
Ltp-list@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/ltp-list