From: Wanlong Gao <gaowanlong@cn.fujitsu.com>
To: Monson Shao <jshao@redhat.com>
Cc: ltp-list@lists.sourceforge.net
Subject: Re: [LTP] [PATCH] pidns30 pidns31: syscall mq_open() failed EFAULT(Bad address)
Date: Wed, 26 Dec 2012 11:37:29 +0800 [thread overview]
Message-ID: <50DA70F9.9000402@cn.fujitsu.com> (raw)
In-Reply-To: <50DA679D.7010502@casparzhang.com>
On 12/26/2012 10:57 AM, Caspar Zhang wrote:
> On 12/25/2012 07:23 PM, Monson Shao wrote:
>> On Tue, 2012-12-25 at 15:42 +0800, Caspar Zhang wrote:
>>> On 12/25/2012 03:25 PM, Monson Shao wrote:
>>>> 'man 3 mq_open' said mq_open() can take 2 or 4 arguments, but the implement
>>>> syscall(__NR_mq_open, ...) takes 4, according to [1].
>>>>
>>>> Manually tested on kernel-3.6.0 with glibc-2.16 .
>>>>
>>>> [1] glibc/sysdeps/unix/sysv/linux/mq_open.c:55
>>>
>>> will this change the result on old kernel/glibc?
>>>
>>> Caspar
>> I haven't tested it on old kernel/glibc, but 4 arguments should always
>> be acceptable, since this usage exists in the same file [2].
>
> Makes sense.
>
> Reviewed-by: Caspar Zhang <caspar@casparzhang.com>
Applied, thank you.
Wanlong Gao
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prev parent reply other threads:[~2012-12-26 3:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-25 7:25 [LTP] [PATCH] pidns30 pidns31: syscall mq_open() failed EFAULT(Bad address) Monson Shao
2012-12-25 7:42 ` Caspar Zhang
2012-12-25 11:23 ` Monson Shao
2012-12-26 2:57 ` Caspar Zhang
2012-12-26 3:37 ` Wanlong Gao [this message]
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