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From: "H. Peter Anvin" <hpa@zytor.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Jiri Kosina <jkosina@suse.cz>,
	LKML <linux-kernel@vger.kernel.org>,
	Josh Boyer <jwboyer@redhat.com>
Subject: Re: [PATCH] binfmt_elf: fix PIE load with randomization disabled
Date: Mon, 09 Dec 2013 13:53:55 -0800	[thread overview]
Message-ID: <52A63BF3.1000608@zytor.com> (raw)
In-Reply-To: <CAMe9rOqEO271PUUkPAQu5hnZFyTX2viUXg8R0hpwDky0B-seyg@mail.gmail.com>

On 12/09/2013 01:52 PM, H.J. Lu wrote:
>>
>> Why is that?  It would seem to be a big difference between a relocatable
>> binary (PIE) and one with a load address fixed at link time.
>>
> 
> PIE with non-zero vaddr should be loaded at non-zero
> vaddr.  Otherwise, PIE may not work as expected.
> 

Please explain why that is the case, as it seems to be implying that PIE
isn't actually relocatable in that case...

	-hpa



  reply	other threads:[~2013-12-09 21:54 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-09 15:50 [PATCH] binfmt_elf: fix PIE load with randomization disabled H.J. Lu
2013-12-09 20:57 ` Jiri Kosina
2013-12-09 21:03   ` H.J. Lu
2013-12-09 21:13     ` Jiri Kosina
2013-12-09 21:47       ` H.J. Lu
2013-12-09 21:49         ` H. Peter Anvin
2013-12-09 21:52           ` H.J. Lu
2013-12-09 21:53             ` H. Peter Anvin [this message]
2013-12-09 21:59               ` H.J. Lu
2013-12-09 22:01                 ` H. Peter Anvin
2013-12-09 22:03                   ` H.J. Lu
2013-12-11 13:36                     ` Jiri Kosina
2013-12-11 13:41                       ` H.J. Lu
2013-12-11 17:49                         ` H. Peter Anvin
2013-12-11 18:21                           ` H.J. Lu
2013-12-11 19:43                             ` H. Peter Anvin
2013-12-11 20:02                               ` H.J. Lu
2013-12-09 21:51         ` Jiri Kosina
2013-12-09 21:39     ` H. Peter Anvin
2013-12-09 21:44       ` H.J. Lu
2013-12-09 23:35         ` H. Peter Anvin
2013-12-09 23:53           ` H.J. Lu
2013-12-10  0:37             ` H. Peter Anvin
2013-12-10  0:41               ` H.J. Lu

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